From f944932a5a84927dd0f93aa8ecb77ff022a4003f Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Wed, 8 Jan 2025 10:26:12 +0000 Subject: [PATCH] build(deps): bump github.com/onsi/gomega from 1.36.0 to 1.36.2 Bumps [github.com/onsi/gomega](https://github.com/onsi/gomega) from 1.36.0 to 1.36.2. - [Release notes](https://github.com/onsi/gomega/releases) - [Changelog](https://github.com/onsi/gomega/blob/master/CHANGELOG.md) - [Commits](https://github.com/onsi/gomega/compare/v1.36.0...v1.36.2) --- updated-dependencies: - dependency-name: github.com/onsi/gomega dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] --- go.mod | 8 +- go.sum | 28 +- vendor/github.com/onsi/gomega/CHANGELOG.md | 14 + vendor/github.com/onsi/gomega/gomega_dsl.go | 2 +- .../onsi/gomega/matchers/have_field.go | 7 +- vendor/golang.org/x/net/html/doc.go | 7 +- vendor/golang.org/x/net/html/doctype.go | 2 +- vendor/golang.org/x/net/html/foreign.go | 3 +- vendor/golang.org/x/net/html/iter.go | 56 ++ vendor/golang.org/x/net/html/node.go | 4 + vendor/golang.org/x/net/html/parse.go | 8 +- .../net/internal/socket/zsys_openbsd_ppc64.go | 28 +- .../internal/socket/zsys_openbsd_riscv64.go | 28 +- .../x/tools/go/gcexportdata/gcexportdata.go | 119 ++-- vendor/golang.org/x/tools/go/packages/doc.go | 15 +- .../x/tools/go/packages/external.go | 15 +- .../golang.org/x/tools/go/packages/golist.go | 43 +- .../x/tools/go/packages/loadmode_string.go | 70 ++- .../x/tools/go/packages/packages.go | 391 +++++++------ .../x/tools/go/types/objectpath/objectpath.go | 111 ++-- .../x/tools/go/types/typeutil/callee.go | 68 +++ .../x/tools/go/types/typeutil/imports.go | 30 + .../x/tools/go/types/typeutil/map.go | 517 ++++++++++++++++++ .../tools/go/types/typeutil/methodsetcache.go | 71 +++ .../x/tools/go/types/typeutil/ui.go | 53 ++ .../x/tools/internal/aliases/aliases.go | 10 +- .../x/tools/internal/aliases/aliases_go121.go | 35 -- .../x/tools/internal/aliases/aliases_go122.go | 33 +- .../x/tools/internal/gcimporter/bimport.go | 61 --- .../x/tools/internal/gcimporter/exportdata.go | 71 ++- .../x/tools/internal/gcimporter/gcimporter.go | 69 ++- .../x/tools/internal/gcimporter/iexport.go | 284 +++++++++- .../x/tools/internal/gcimporter/iimport.go | 43 +- .../internal/gcimporter/iimport_go122.go | 53 ++ .../internal/gcimporter/newInterface10.go | 22 - .../internal/gcimporter/newInterface11.go | 14 - .../tools/internal/gcimporter/predeclared.go | 91 +++ .../internal/gcimporter/support_go118.go | 34 -- .../x/tools/internal/gcimporter/unified_no.go | 10 - .../tools/internal/gcimporter/unified_yes.go | 10 - .../tools/internal/gcimporter/ureader_yes.go | 44 +- .../x/tools/internal/gocommand/invoke.go | 18 +- .../internal/packagesinternal/packages.go | 2 - .../x/tools/internal/pkgbits/decoder.go | 34 +- .../x/tools/internal/pkgbits/encoder.go | 43 +- .../x/tools/internal/pkgbits/frames_go1.go | 21 - .../x/tools/internal/pkgbits/frames_go17.go | 28 - .../x/tools/internal/pkgbits/support.go | 2 +- .../x/tools/internal/pkgbits/sync.go | 23 + .../internal/pkgbits/syncmarker_string.go | 7 +- .../x/tools/internal/pkgbits/version.go | 85 +++ .../x/tools/internal/stdlib/manifest.go | 2 +- .../internal/tokeninternal/tokeninternal.go | 137 ----- .../x/tools/internal/typeparams/common.go | 140 +++++ .../x/tools/internal/typeparams/coretype.go | 150 +++++ .../x/tools/internal/typeparams/free.go | 131 +++++ .../x/tools/internal/typeparams/normalize.go | 218 ++++++++ .../x/tools/internal/typeparams/termlist.go | 163 ++++++ .../x/tools/internal/typeparams/typeterm.go | 169 ++++++ .../x/tools/internal/typesinternal/element.go | 133 +++++ .../tools/internal/typesinternal/errorcode.go | 8 +- .../x/tools/internal/typesinternal/recv.go | 8 +- .../x/tools/internal/typesinternal/types.go | 56 ++ .../tools/internal/typesinternal/zerovalue.go | 282 ++++++++++ .../x/tools/internal/versions/constraint.go | 13 - .../internal/versions/constraint_go121.go | 14 - .../x/tools/internal/versions/toolchain.go | 14 - .../internal/versions/toolchain_go119.go | 14 - .../internal/versions/toolchain_go120.go | 14 - .../internal/versions/toolchain_go121.go | 14 - .../x/tools/internal/versions/types.go | 28 +- .../x/tools/internal/versions/types_go121.go | 30 - .../x/tools/internal/versions/types_go122.go | 41 -- vendor/modules.txt | 17 +- 74 files changed, 3547 insertions(+), 1094 deletions(-) create mode 100644 vendor/golang.org/x/net/html/iter.go create mode 100644 vendor/golang.org/x/tools/go/types/typeutil/callee.go create mode 100644 vendor/golang.org/x/tools/go/types/typeutil/imports.go create mode 100644 vendor/golang.org/x/tools/go/types/typeutil/map.go create mode 100644 vendor/golang.org/x/tools/go/types/typeutil/methodsetcache.go create mode 100644 vendor/golang.org/x/tools/go/types/typeutil/ui.go delete mode 100644 vendor/golang.org/x/tools/internal/aliases/aliases_go121.go create mode 100644 vendor/golang.org/x/tools/internal/gcimporter/iimport_go122.go delete mode 100644 vendor/golang.org/x/tools/internal/gcimporter/newInterface10.go delete mode 100644 vendor/golang.org/x/tools/internal/gcimporter/newInterface11.go create mode 100644 vendor/golang.org/x/tools/internal/gcimporter/predeclared.go delete mode 100644 vendor/golang.org/x/tools/internal/gcimporter/support_go118.go delete mode 100644 vendor/golang.org/x/tools/internal/gcimporter/unified_no.go delete mode 100644 vendor/golang.org/x/tools/internal/gcimporter/unified_yes.go delete mode 100644 vendor/golang.org/x/tools/internal/pkgbits/frames_go1.go delete mode 100644 vendor/golang.org/x/tools/internal/pkgbits/frames_go17.go create mode 100644 vendor/golang.org/x/tools/internal/pkgbits/version.go delete mode 100644 vendor/golang.org/x/tools/internal/tokeninternal/tokeninternal.go create mode 100644 vendor/golang.org/x/tools/internal/typeparams/common.go create mode 100644 vendor/golang.org/x/tools/internal/typeparams/coretype.go create mode 100644 vendor/golang.org/x/tools/internal/typeparams/free.go create mode 100644 vendor/golang.org/x/tools/internal/typeparams/normalize.go create mode 100644 vendor/golang.org/x/tools/internal/typeparams/termlist.go create mode 100644 vendor/golang.org/x/tools/internal/typeparams/typeterm.go create mode 100644 vendor/golang.org/x/tools/internal/typesinternal/element.go create mode 100644 vendor/golang.org/x/tools/internal/typesinternal/zerovalue.go delete mode 100644 vendor/golang.org/x/tools/internal/versions/constraint.go delete mode 100644 vendor/golang.org/x/tools/internal/versions/constraint_go121.go delete mode 100644 vendor/golang.org/x/tools/internal/versions/toolchain.go delete mode 100644 vendor/golang.org/x/tools/internal/versions/toolchain_go119.go delete mode 100644 vendor/golang.org/x/tools/internal/versions/toolchain_go120.go delete mode 100644 vendor/golang.org/x/tools/internal/versions/toolchain_go121.go delete mode 100644 vendor/golang.org/x/tools/internal/versions/types_go121.go delete mode 100644 vendor/golang.org/x/tools/internal/versions/types_go122.go diff --git a/go.mod b/go.mod index b3702853..c4ee82f9 100644 --- a/go.mod +++ b/go.mod @@ -16,7 +16,7 @@ require ( github.com/mdlayher/vsock v1.2.1 github.com/miekg/dns v1.1.62 github.com/onsi/ginkgo v1.16.5 - github.com/onsi/gomega v1.36.0 + github.com/onsi/gomega v1.36.2 github.com/opencontainers/go-digest v1.0.0 github.com/pkg/errors v0.9.1 github.com/qdm12/dns/v2 v2.0.0-rc6 @@ -43,11 +43,11 @@ require ( github.com/u-root/uio v0.0.0-20240224005618-d2acac8f3701 // indirect github.com/vishvananda/netns v0.0.4 // indirect golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect - golang.org/x/mod v0.20.0 // indirect - golang.org/x/net v0.30.0 // indirect + golang.org/x/mod v0.22.0 // indirect + golang.org/x/net v0.33.0 // indirect golang.org/x/text v0.21.0 // indirect golang.org/x/time v0.5.0 // indirect - golang.org/x/tools v0.24.0 // indirect + golang.org/x/tools v0.28.0 // indirect gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect gopkg.in/yaml.v3 v3.0.1 // indirect ) diff --git a/go.sum b/go.sum index 2144d3c2..73125360 100644 --- a/go.sum +++ b/go.sum @@ -39,8 +39,8 @@ github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= github.com/google/gopacket v1.1.19 h1:ves8RnFZPGiFnTS0uPQStjwru6uO6h+nlr9j6fL7kF8= github.com/google/gopacket v1.1.19/go.mod h1:iJ8V8n6KS+z2U1A8pUwu8bW5SyEMkXJB8Yo/Vo+TKTo= -github.com/google/pprof v0.0.0-20240827171923-fa2c70bbbfe5 h1:5iH8iuqE5apketRbSFBy+X1V0o+l+8NF1avt4HWl7cA= -github.com/google/pprof v0.0.0-20240827171923-fa2c70bbbfe5/go.mod h1:vavhavw2zAxS5dIdcRluK6cSGGPlZynqzFM8NdvU144= +github.com/google/pprof v0.0.0-20241210010833-40e02aabc2ad h1:a6HEuzUHeKH6hwfN/ZoQgRgVIWFJljSWa/zetS2WTvg= +github.com/google/pprof v0.0.0-20241210010833-40e02aabc2ad/go.mod h1:vavhavw2zAxS5dIdcRluK6cSGGPlZynqzFM8NdvU144= github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU= github.com/insomniacslk/dhcp v0.0.0-20240710054256-ddd8a41251c9 h1:LZJWucZz7ztCqY6Jsu7N9g124iJ2kt/O62j3+UchZFg= github.com/insomniacslk/dhcp v0.0.0-20240710054256-ddd8a41251c9/go.mod h1:KclMyHxX06VrVr0DJmeFSUb1ankt7xTfoOA35pCkoic= @@ -63,12 +63,12 @@ github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+W github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk= github.com/onsi/ginkgo v1.16.5 h1:8xi0RTUf59SOSfEtZMvwTvXYMzG4gV23XVHOZiXNtnE= github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU= -github.com/onsi/ginkgo/v2 v2.20.1 h1:YlVIbqct+ZmnEph770q9Q7NVAz4wwIiVNahee6JyUzo= -github.com/onsi/ginkgo/v2 v2.20.1/go.mod h1:lG9ey2Z29hR41WMVthyJBGUBcBhGOtoPF2VFMvBXFCI= +github.com/onsi/ginkgo/v2 v2.22.1 h1:QW7tbJAUDyVDVOM5dFa7qaybo+CRfR7bemlQUN6Z8aM= +github.com/onsi/ginkgo/v2 v2.22.1/go.mod h1:S6aTpoRsSq2cZOd+pssHAlKW/Q/jZt6cPrPlnj4a1xM= github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY= github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo= -github.com/onsi/gomega v1.36.0 h1:Pb12RlruUtj4XUuPUqeEWc6j5DkVVVA49Uf6YLfC95Y= -github.com/onsi/gomega v1.36.0/go.mod h1:PvZbdDc8J6XJEpDK4HCuRBm8a6Fzp9/DmhC9C7yFlog= +github.com/onsi/gomega v1.36.2 h1:koNYke6TVk6ZmnyHrCXba/T/MoLBXFjeC1PtvYgw0A8= +github.com/onsi/gomega v1.36.2/go.mod h1:DdwyADRjrc825LhMEkD76cHR5+pUnjhUN8GlHlRPHzY= github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U= github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM= github.com/pierrec/lz4/v4 v4.1.14 h1:+fL8AQEZtz/ijeNnpduH0bROTu0O3NZAlPjQxGn8LwE= @@ -109,15 +109,15 @@ golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56/go.mod h1:M4RDyNAINzryxdtnbR golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY= golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg= golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= -golang.org/x/mod v0.20.0 h1:utOm6MM3R3dnawAiJgn0y+xvuYRsm1RKM/4giyfDgV0= -golang.org/x/mod v0.20.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c= +golang.org/x/mod v0.22.0 h1:D4nJWe9zXqHOmWqj4VMOJhvzj7bEZg4wEYa759z1pH4= +golang.org/x/mod v0.22.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= -golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4= -golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU= +golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I= +golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= @@ -149,8 +149,8 @@ golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGm golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA= -golang.org/x/tools v0.24.0 h1:J1shsA93PJUEVaUSaay7UXAyE8aimq3GW0pjlolpa24= -golang.org/x/tools v0.24.0/go.mod h1:YhNqVBIfWHdzvTLs0d8LCuMhkKUgSUKldakyV7W/WDQ= +golang.org/x/tools v0.28.0 h1:WuB6qZ4RPCQo5aP3WdKZS7i595EdWqWR8vqJTlwTVK8= +golang.org/x/tools v0.28.0/go.mod h1:dcIOrVd3mfQKTgrDVQHqCPMWy6lnhfhtX3hLXYVLfRw= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= @@ -161,8 +161,8 @@ google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQ google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE= google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo= google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU= -google.golang.org/protobuf v1.35.1 h1:m3LfL6/Ca+fqnjnlqQXNpFPABW1UD7mjh8KO2mKFytA= -google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE= +google.golang.org/protobuf v1.36.1 h1:yBPeRvTftaleIgM3PZ/WBIZ7XM/eEYAaEyCwvyjq/gk= +google.golang.org/protobuf v1.36.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= diff --git a/vendor/github.com/onsi/gomega/CHANGELOG.md b/vendor/github.com/onsi/gomega/CHANGELOG.md index b797577f..a20d997c 100644 --- a/vendor/github.com/onsi/gomega/CHANGELOG.md +++ b/vendor/github.com/onsi/gomega/CHANGELOG.md @@ -1,3 +1,17 @@ +## 1.36.2 + +### Maintenance +- Bump google.golang.org/protobuf from 1.35.1 to 1.36.1 (#810) [9a7609d] +- Bump golang.org/x/net from 0.30.0 to 0.33.0 (#807) [b6cb028] +- Bump github.com/onsi/ginkgo/v2 from 2.20.1 to 2.22.1 (#808) [5756529] +- Bump nokogiri from 1.16.3 to 1.16.5 in /docs (#757) [dabc12e] + +## 1.36.1 + +### Fixes +- Fix https://github.com/onsi/gomega/issues/803 [1c6c112] +- resolves onsi/gomega#696: make HaveField great on pointer receivers given only a non-addressable value [4feb9d7] + ## 1.36.0 ### Features diff --git a/vendor/github.com/onsi/gomega/gomega_dsl.go b/vendor/github.com/onsi/gomega/gomega_dsl.go index eb74f6f6..9a028f3f 100644 --- a/vendor/github.com/onsi/gomega/gomega_dsl.go +++ b/vendor/github.com/onsi/gomega/gomega_dsl.go @@ -22,7 +22,7 @@ import ( "github.com/onsi/gomega/types" ) -const GOMEGA_VERSION = "1.36.0" +const GOMEGA_VERSION = "1.36.2" const nilGomegaPanic = `You are trying to make an assertion, but haven't registered Gomega's fail handler. If you're using Ginkgo then you probably forgot to put your assertion in an It(). diff --git a/vendor/github.com/onsi/gomega/matchers/have_field.go b/vendor/github.com/onsi/gomega/matchers/have_field.go index 8dd3f871..293457e8 100644 --- a/vendor/github.com/onsi/gomega/matchers/have_field.go +++ b/vendor/github.com/onsi/gomega/matchers/have_field.go @@ -40,7 +40,12 @@ func extractField(actual interface{}, field string, matchername string) (any, er extractedValue = actualValue.Addr().MethodByName(strings.TrimSuffix(fields[0], "()")) } if extractedValue == (reflect.Value{}) { - return nil, missingFieldError(fmt.Sprintf("%s could not find method named '%s' in struct of type %T.", matchername, fields[0], actual)) + ptr := reflect.New(actualValue.Type()) + ptr.Elem().Set(actualValue) + extractedValue = ptr.MethodByName(strings.TrimSuffix(fields[0], "()")) + if extractedValue == (reflect.Value{}) { + return nil, missingFieldError(fmt.Sprintf("%s could not find method named '%s' in struct of type %T.", matchername, fields[0], actual)) + } } t := extractedValue.Type() if t.NumIn() != 0 || t.NumOut() != 1 { diff --git a/vendor/golang.org/x/net/html/doc.go b/vendor/golang.org/x/net/html/doc.go index 3a7e5ab1..885c4c59 100644 --- a/vendor/golang.org/x/net/html/doc.go +++ b/vendor/golang.org/x/net/html/doc.go @@ -78,16 +78,11 @@ example, to process each anchor node in depth-first order: if err != nil { // ... } - var f func(*html.Node) - f = func(n *html.Node) { + for n := range doc.Descendants() { if n.Type == html.ElementNode && n.Data == "a" { // Do something with n... } - for c := n.FirstChild; c != nil; c = c.NextSibling { - f(c) - } } - f(doc) The relevant specifications include: https://html.spec.whatwg.org/multipage/syntax.html and diff --git a/vendor/golang.org/x/net/html/doctype.go b/vendor/golang.org/x/net/html/doctype.go index c484e5a9..bca3ae9a 100644 --- a/vendor/golang.org/x/net/html/doctype.go +++ b/vendor/golang.org/x/net/html/doctype.go @@ -87,7 +87,7 @@ func parseDoctype(s string) (n *Node, quirks bool) { } } if lastAttr := n.Attr[len(n.Attr)-1]; lastAttr.Key == "system" && - strings.ToLower(lastAttr.Val) == "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd" { + strings.EqualFold(lastAttr.Val, "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd") { quirks = true } } diff --git a/vendor/golang.org/x/net/html/foreign.go b/vendor/golang.org/x/net/html/foreign.go index 9da9e9dc..e8515d8e 100644 --- a/vendor/golang.org/x/net/html/foreign.go +++ b/vendor/golang.org/x/net/html/foreign.go @@ -40,8 +40,7 @@ func htmlIntegrationPoint(n *Node) bool { if n.Data == "annotation-xml" { for _, a := range n.Attr { if a.Key == "encoding" { - val := strings.ToLower(a.Val) - if val == "text/html" || val == "application/xhtml+xml" { + if strings.EqualFold(a.Val, "text/html") || strings.EqualFold(a.Val, "application/xhtml+xml") { return true } } diff --git a/vendor/golang.org/x/net/html/iter.go b/vendor/golang.org/x/net/html/iter.go new file mode 100644 index 00000000..54be8fd3 --- /dev/null +++ b/vendor/golang.org/x/net/html/iter.go @@ -0,0 +1,56 @@ +// Copyright 2024 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build go1.23 + +package html + +import "iter" + +// Ancestors returns an iterator over the ancestors of n, starting with n.Parent. +// +// Mutating a Node or its parents while iterating may have unexpected results. +func (n *Node) Ancestors() iter.Seq[*Node] { + _ = n.Parent // eager nil check + + return func(yield func(*Node) bool) { + for p := n.Parent; p != nil && yield(p); p = p.Parent { + } + } +} + +// ChildNodes returns an iterator over the immediate children of n, +// starting with n.FirstChild. +// +// Mutating a Node or its children while iterating may have unexpected results. +func (n *Node) ChildNodes() iter.Seq[*Node] { + _ = n.FirstChild // eager nil check + + return func(yield func(*Node) bool) { + for c := n.FirstChild; c != nil && yield(c); c = c.NextSibling { + } + } + +} + +// Descendants returns an iterator over all nodes recursively beneath +// n, excluding n itself. Nodes are visited in depth-first preorder. +// +// Mutating a Node or its descendants while iterating may have unexpected results. +func (n *Node) Descendants() iter.Seq[*Node] { + _ = n.FirstChild // eager nil check + + return func(yield func(*Node) bool) { + n.descendants(yield) + } +} + +func (n *Node) descendants(yield func(*Node) bool) bool { + for c := range n.ChildNodes() { + if !yield(c) || !c.descendants(yield) { + return false + } + } + return true +} diff --git a/vendor/golang.org/x/net/html/node.go b/vendor/golang.org/x/net/html/node.go index 1350eef2..77741a19 100644 --- a/vendor/golang.org/x/net/html/node.go +++ b/vendor/golang.org/x/net/html/node.go @@ -38,6 +38,10 @@ var scopeMarker = Node{Type: scopeMarkerNode} // that it looks like "a= 0 { - // We were given an archive and found the __.PKGDEF in it. - // This tells us the size of the export data, and we don't - // need to return the entire file. - return &io.LimitedReader{ - R: buf, - N: size, - }, nil - } else { - // We were given an object file. As such, we don't know how large - // the export data is and must return the entire file. - return buf, nil - } + // We were given an archive and found the __.PKGDEF in it. + // This tells us the size of the export data, and we don't + // need to return the entire file. + return &io.LimitedReader{ + R: buf, + N: size, + }, nil } // readAll works the same way as io.ReadAll, but avoids allocations and copies @@ -100,6 +136,11 @@ func readAll(r io.Reader) ([]byte, error) { // Read reads export data from in, decodes it, and returns type // information for the package. // +// Read is capable of reading export data produced by [Write] at the +// same source code version, or by the last two Go releases (plus tip) +// of the standard Go compiler. Reading files from older compilers may +// produce an error. +// // The package path (effectively its linker symbol prefix) is // specified by path, since unlike the package name, this information // may not be recorded in the export data. @@ -128,14 +169,26 @@ func Read(in io.Reader, fset *token.FileSet, imports map[string]*types.Package, // (from "version"). Select appropriate importer. if len(data) > 0 { switch data[0] { - case 'v', 'c', 'd': // binary, till go1.10 + case 'v', 'c', 'd': + // binary, produced by cmd/compile till go1.10 return nil, fmt.Errorf("binary (%c) import format is no longer supported", data[0]) - case 'i': // indexed, till go1.19 + case 'i': + // indexed, produced by cmd/compile till go1.19, + // and also by [Write]. + // + // If proposal #69491 is accepted, go/types + // serialization will be implemented by + // types.Export, to which Write would eventually + // delegate (explicitly dropping any pretence at + // inter-version Write-Read compatibility). + // This [Read] function would delegate to types.Import + // when it detects that the file was produced by Export. _, pkg, err := gcimporter.IImportData(fset, imports, data[1:], path) return pkg, err - case 'u': // unified, from go1.20 + case 'u': + // unified, produced by cmd/compile since go1.20 _, pkg, err := gcimporter.UImportData(fset, imports, data[1:], path) return pkg, err diff --git a/vendor/golang.org/x/tools/go/packages/doc.go b/vendor/golang.org/x/tools/go/packages/doc.go index 3531ac8f..f1931d10 100644 --- a/vendor/golang.org/x/tools/go/packages/doc.go +++ b/vendor/golang.org/x/tools/go/packages/doc.go @@ -64,7 +64,7 @@ graph using the Imports fields. The Load function can be configured by passing a pointer to a Config as the first argument. A nil Config is equivalent to the zero Config, which -causes Load to run in LoadFiles mode, collecting minimal information. +causes Load to run in [LoadFiles] mode, collecting minimal information. See the documentation for type Config for details. As noted earlier, the Config.Mode controls the amount of detail @@ -72,14 +72,14 @@ reported about the loaded packages. See the documentation for type LoadMode for details. Most tools should pass their command-line arguments (after any flags) -uninterpreted to [Load], so that it can interpret them +uninterpreted to Load, so that it can interpret them according to the conventions of the underlying build system. See the Example function for typical usage. # The driver protocol -[Load] may be used to load Go packages even in Go projects that use +Load may be used to load Go packages even in Go projects that use alternative build systems, by installing an appropriate "driver" program for the build system and specifying its location in the GOPACKAGESDRIVER environment variable. @@ -97,6 +97,15 @@ JSON-encoded [DriverRequest] message providing additional information is written to the driver's standard input. The driver must write a JSON-encoded [DriverResponse] message to its standard output. (This message differs from the JSON schema produced by 'go list'.) + +The value of the PWD environment variable seen by the driver process +is the preferred name of its working directory. (The working directory +may have other aliases due to symbolic links; see the comment on the +Dir field of [exec.Cmd] for related information.) +When the driver process emits in its response the name of a file +that is a descendant of this directory, it must use an absolute path +that has the value of PWD as a prefix, to ensure that the returned +filenames satisfy the original query. */ package packages // import "golang.org/x/tools/go/packages" diff --git a/vendor/golang.org/x/tools/go/packages/external.go b/vendor/golang.org/x/tools/go/packages/external.go index c2b4b711..91bd62e8 100644 --- a/vendor/golang.org/x/tools/go/packages/external.go +++ b/vendor/golang.org/x/tools/go/packages/external.go @@ -13,6 +13,7 @@ import ( "fmt" "os" "os/exec" + "slices" "strings" ) @@ -79,10 +80,10 @@ type DriverResponse struct { // driver is the type for functions that query the build system for the // packages named by the patterns. -type driver func(cfg *Config, patterns ...string) (*DriverResponse, error) +type driver func(cfg *Config, patterns []string) (*DriverResponse, error) // findExternalDriver returns the file path of a tool that supplies -// the build system package structure, or "" if not found." +// the build system package structure, or "" if not found. // If GOPACKAGESDRIVER is set in the environment findExternalTool returns its // value, otherwise it searches for a binary named gopackagesdriver on the PATH. func findExternalDriver(cfg *Config) driver { @@ -103,7 +104,7 @@ func findExternalDriver(cfg *Config) driver { return nil } } - return func(cfg *Config, words ...string) (*DriverResponse, error) { + return func(cfg *Config, patterns []string) (*DriverResponse, error) { req, err := json.Marshal(DriverRequest{ Mode: cfg.Mode, Env: cfg.Env, @@ -117,7 +118,7 @@ func findExternalDriver(cfg *Config) driver { buf := new(bytes.Buffer) stderr := new(bytes.Buffer) - cmd := exec.CommandContext(cfg.Context, tool, words...) + cmd := exec.CommandContext(cfg.Context, tool, patterns...) cmd.Dir = cfg.Dir // The cwd gets resolved to the real path. On Darwin, where // /tmp is a symlink, this breaks anything that expects the @@ -131,7 +132,7 @@ func findExternalDriver(cfg *Config) driver { // command. // // (See similar trick in Invocation.run in ../../internal/gocommand/invoke.go) - cmd.Env = append(slicesClip(cfg.Env), "PWD="+cfg.Dir) + cmd.Env = append(slices.Clip(cfg.Env), "PWD="+cfg.Dir) cmd.Stdin = bytes.NewReader(req) cmd.Stdout = buf cmd.Stderr = stderr @@ -150,7 +151,3 @@ func findExternalDriver(cfg *Config) driver { return &response, nil } } - -// slicesClip removes unused capacity from the slice, returning s[:len(s):len(s)]. -// TODO(adonovan): use go1.21 slices.Clip. -func slicesClip[S ~[]E, E any](s S) S { return s[:len(s):len(s)] } diff --git a/vendor/golang.org/x/tools/go/packages/golist.go b/vendor/golang.org/x/tools/go/packages/golist.go index 1a3a5b44..870271ed 100644 --- a/vendor/golang.org/x/tools/go/packages/golist.go +++ b/vendor/golang.org/x/tools/go/packages/golist.go @@ -80,6 +80,12 @@ type golistState struct { cfg *Config ctx context.Context + runner *gocommand.Runner + + // overlay is the JSON file that encodes the Config.Overlay + // mapping, used by 'go list -overlay=...'. + overlay string + envOnce sync.Once goEnvError error goEnv map[string]string @@ -127,7 +133,10 @@ func (state *golistState) mustGetEnv() map[string]string { // goListDriver uses the go list command to interpret the patterns and produce // the build system package structure. // See driver for more details. -func goListDriver(cfg *Config, patterns ...string) (_ *DriverResponse, err error) { +// +// overlay is the JSON file that encodes the cfg.Overlay +// mapping, used by 'go list -overlay=...' +func goListDriver(cfg *Config, runner *gocommand.Runner, overlay string, patterns []string) (_ *DriverResponse, err error) { // Make sure that any asynchronous go commands are killed when we return. parentCtx := cfg.Context if parentCtx == nil { @@ -142,13 +151,15 @@ func goListDriver(cfg *Config, patterns ...string) (_ *DriverResponse, err error cfg: cfg, ctx: ctx, vendorDirs: map[string]bool{}, + overlay: overlay, + runner: runner, } // Fill in response.Sizes asynchronously if necessary. - if cfg.Mode&NeedTypesSizes != 0 || cfg.Mode&NeedTypes != 0 { + if cfg.Mode&NeedTypesSizes != 0 || cfg.Mode&(NeedTypes|NeedTypesInfo) != 0 { errCh := make(chan error) go func() { - compiler, arch, err := getSizesForArgs(ctx, state.cfgInvocation(), cfg.gocmdRunner) + compiler, arch, err := getSizesForArgs(ctx, state.cfgInvocation(), runner) response.dr.Compiler = compiler response.dr.Arch = arch errCh <- err @@ -494,13 +505,14 @@ func (state *golistState) createDriverResponse(words ...string) (*DriverResponse pkg := &Package{ Name: p.Name, ID: p.ImportPath, + Dir: p.Dir, GoFiles: absJoin(p.Dir, p.GoFiles, p.CgoFiles), CompiledGoFiles: absJoin(p.Dir, p.CompiledGoFiles), OtherFiles: absJoin(p.Dir, otherFiles(p)...), EmbedFiles: absJoin(p.Dir, p.EmbedFiles), EmbedPatterns: absJoin(p.Dir, p.EmbedPatterns), IgnoredFiles: absJoin(p.Dir, p.IgnoredGoFiles, p.IgnoredOtherFiles), - forTest: p.ForTest, + ForTest: p.ForTest, depsErrors: p.DepsErrors, Module: p.Module, } @@ -681,7 +693,7 @@ func (state *golistState) shouldAddFilenameFromError(p *jsonPackage) bool { // getGoVersion returns the effective minor version of the go command. func (state *golistState) getGoVersion() (int, error) { state.goVersionOnce.Do(func() { - state.goVersion, state.goVersionError = gocommand.GoVersion(state.ctx, state.cfgInvocation(), state.cfg.gocmdRunner) + state.goVersion, state.goVersionError = gocommand.GoVersion(state.ctx, state.cfgInvocation(), state.runner) }) return state.goVersion, state.goVersionError } @@ -751,7 +763,7 @@ func jsonFlag(cfg *Config, goVersion int) string { } } addFields("Name", "ImportPath", "Error") // These fields are always needed - if cfg.Mode&NeedFiles != 0 || cfg.Mode&NeedTypes != 0 { + if cfg.Mode&NeedFiles != 0 || cfg.Mode&(NeedTypes|NeedTypesInfo) != 0 { addFields("Dir", "GoFiles", "IgnoredGoFiles", "IgnoredOtherFiles", "CFiles", "CgoFiles", "CXXFiles", "MFiles", "HFiles", "FFiles", "SFiles", "SwigFiles", "SwigCXXFiles", "SysoFiles") @@ -759,7 +771,7 @@ func jsonFlag(cfg *Config, goVersion int) string { addFields("TestGoFiles", "XTestGoFiles") } } - if cfg.Mode&NeedTypes != 0 { + if cfg.Mode&(NeedTypes|NeedTypesInfo) != 0 { // CompiledGoFiles seems to be required for the test case TestCgoNoSyntax, // even when -compiled isn't passed in. // TODO(#52435): Should we make the test ask for -compiled, or automatically @@ -784,7 +796,7 @@ func jsonFlag(cfg *Config, goVersion int) string { // Request Dir in the unlikely case Export is not absolute. addFields("Dir", "Export") } - if cfg.Mode&needInternalForTest != 0 { + if cfg.Mode&NeedForTest != 0 { addFields("ForTest") } if cfg.Mode&needInternalDepsErrors != 0 { @@ -840,7 +852,7 @@ func (state *golistState) cfgInvocation() gocommand.Invocation { Env: cfg.Env, Logf: cfg.Logf, WorkingDir: cfg.Dir, - Overlay: cfg.goListOverlayFile, + Overlay: state.overlay, } } @@ -851,11 +863,8 @@ func (state *golistState) invokeGo(verb string, args ...string) (*bytes.Buffer, inv := state.cfgInvocation() inv.Verb = verb inv.Args = args - gocmdRunner := cfg.gocmdRunner - if gocmdRunner == nil { - gocmdRunner = &gocommand.Runner{} - } - stdout, stderr, friendlyErr, err := gocmdRunner.RunRaw(cfg.Context, inv) + + stdout, stderr, friendlyErr, err := state.runner.RunRaw(cfg.Context, inv) if err != nil { // Check for 'go' executable not being found. if ee, ok := err.(*exec.Error); ok && ee.Err == exec.ErrNotFound { @@ -879,6 +888,12 @@ func (state *golistState) invokeGo(verb string, args ...string) (*bytes.Buffer, return nil, friendlyErr } + // Return an error if 'go list' failed due to missing tools in + // $GOROOT/pkg/tool/$GOOS_$GOARCH (#69606). + if len(stderr.String()) > 0 && strings.Contains(stderr.String(), `go: no such tool`) { + return nil, friendlyErr + } + // Is there an error running the C compiler in cgo? This will be reported in the "Error" field // and should be suppressed by go list -e. // diff --git a/vendor/golang.org/x/tools/go/packages/loadmode_string.go b/vendor/golang.org/x/tools/go/packages/loadmode_string.go index 5c080d21..969da4c2 100644 --- a/vendor/golang.org/x/tools/go/packages/loadmode_string.go +++ b/vendor/golang.org/x/tools/go/packages/loadmode_string.go @@ -9,49 +9,47 @@ import ( "strings" ) -var allModes = []LoadMode{ - NeedName, - NeedFiles, - NeedCompiledGoFiles, - NeedImports, - NeedDeps, - NeedExportFile, - NeedTypes, - NeedSyntax, - NeedTypesInfo, - NeedTypesSizes, +var modes = [...]struct { + mode LoadMode + name string +}{ + {NeedName, "NeedName"}, + {NeedFiles, "NeedFiles"}, + {NeedCompiledGoFiles, "NeedCompiledGoFiles"}, + {NeedImports, "NeedImports"}, + {NeedDeps, "NeedDeps"}, + {NeedExportFile, "NeedExportFile"}, + {NeedTypes, "NeedTypes"}, + {NeedSyntax, "NeedSyntax"}, + {NeedTypesInfo, "NeedTypesInfo"}, + {NeedTypesSizes, "NeedTypesSizes"}, + {NeedForTest, "NeedForTest"}, + {NeedModule, "NeedModule"}, + {NeedEmbedFiles, "NeedEmbedFiles"}, + {NeedEmbedPatterns, "NeedEmbedPatterns"}, } -var modeStrings = []string{ - "NeedName", - "NeedFiles", - "NeedCompiledGoFiles", - "NeedImports", - "NeedDeps", - "NeedExportFile", - "NeedTypes", - "NeedSyntax", - "NeedTypesInfo", - "NeedTypesSizes", -} - -func (mod LoadMode) String() string { - m := mod - if m == 0 { +func (mode LoadMode) String() string { + if mode == 0 { return "LoadMode(0)" } var out []string - for i, x := range allModes { - if x > m { - break + // named bits + for _, item := range modes { + if (mode & item.mode) != 0 { + mode ^= item.mode + out = append(out, item.name) } - if (m & x) != 0 { - out = append(out, modeStrings[i]) - m = m ^ x + } + // unnamed residue + if mode != 0 { + if out == nil { + return fmt.Sprintf("LoadMode(%#x)", int(mode)) } + out = append(out, fmt.Sprintf("%#x", int(mode))) } - if m != 0 { - out = append(out, "Unknown") + if len(out) == 1 { + return out[0] } - return fmt.Sprintf("LoadMode(%s)", strings.Join(out, "|")) + return "(" + strings.Join(out, "|") + ")" } diff --git a/vendor/golang.org/x/tools/go/packages/packages.go b/vendor/golang.org/x/tools/go/packages/packages.go index 0b6bfaff..9dedf977 100644 --- a/vendor/golang.org/x/tools/go/packages/packages.go +++ b/vendor/golang.org/x/tools/go/packages/packages.go @@ -16,13 +16,13 @@ import ( "go/scanner" "go/token" "go/types" - "io" "log" "os" "path/filepath" "runtime" "strings" "sync" + "sync/atomic" "time" "golang.org/x/sync/errgroup" @@ -31,7 +31,6 @@ import ( "golang.org/x/tools/internal/gocommand" "golang.org/x/tools/internal/packagesinternal" "golang.org/x/tools/internal/typesinternal" - "golang.org/x/tools/internal/versions" ) // A LoadMode controls the amount of detail to return when loading. @@ -44,19 +43,33 @@ import ( // ID and Errors (if present) will always be filled. // [Load] may return more information than requested. // +// The Mode flag is a union of several bits named NeedName, +// NeedFiles, and so on, each of which determines whether +// a given field of Package (Name, Files, etc) should be +// populated. +// +// For convenience, we provide named constants for the most +// common combinations of Need flags: +// +// [LoadFiles] lists of files in each package +// [LoadImports] ... plus imports +// [LoadTypes] ... plus type information +// [LoadSyntax] ... plus type-annotated syntax +// [LoadAllSyntax] ... for all dependencies +// // Unfortunately there are a number of open bugs related to // interactions among the LoadMode bits: -// - https://github.com/golang/go/issues/56633 -// - https://github.com/golang/go/issues/56677 -// - https://github.com/golang/go/issues/58726 -// - https://github.com/golang/go/issues/63517 +// - https://github.com/golang/go/issues/56633 +// - https://github.com/golang/go/issues/56677 +// - https://github.com/golang/go/issues/58726 +// - https://github.com/golang/go/issues/63517 type LoadMode int const ( // NeedName adds Name and PkgPath. NeedName LoadMode = 1 << iota - // NeedFiles adds GoFiles and OtherFiles. + // NeedFiles adds Dir, GoFiles, OtherFiles, and IgnoredFiles NeedFiles // NeedCompiledGoFiles adds CompiledGoFiles. @@ -78,7 +91,7 @@ const ( // NeedSyntax adds Syntax and Fset. NeedSyntax - // NeedTypesInfo adds TypesInfo. + // NeedTypesInfo adds TypesInfo and Fset. NeedTypesInfo // NeedTypesSizes adds TypesSizes. @@ -87,9 +100,10 @@ const ( // needInternalDepsErrors adds the internal deps errors field for use by gopls. needInternalDepsErrors - // needInternalForTest adds the internal forTest field. + // NeedForTest adds ForTest. + // // Tests must also be set on the context for this field to be populated. - needInternalForTest + NeedForTest // typecheckCgo enables full support for type checking cgo. Requires Go 1.15+. // Modifies CompiledGoFiles and Types, and has no effect on its own. @@ -103,27 +117,24 @@ const ( // NeedEmbedPatterns adds EmbedPatterns. NeedEmbedPatterns + + // Be sure to update loadmode_string.go when adding new items! ) const ( - // Deprecated: LoadFiles exists for historical compatibility - // and should not be used. Please directly specify the needed fields using the Need values. + // LoadFiles loads the name and file names for the initial packages. LoadFiles = NeedName | NeedFiles | NeedCompiledGoFiles - // Deprecated: LoadImports exists for historical compatibility - // and should not be used. Please directly specify the needed fields using the Need values. + // LoadImports loads the name, file names, and import mapping for the initial packages. LoadImports = LoadFiles | NeedImports - // Deprecated: LoadTypes exists for historical compatibility - // and should not be used. Please directly specify the needed fields using the Need values. + // LoadTypes loads exported type information for the initial packages. LoadTypes = LoadImports | NeedTypes | NeedTypesSizes - // Deprecated: LoadSyntax exists for historical compatibility - // and should not be used. Please directly specify the needed fields using the Need values. + // LoadSyntax loads typed syntax for the initial packages. LoadSyntax = LoadTypes | NeedSyntax | NeedTypesInfo - // Deprecated: LoadAllSyntax exists for historical compatibility - // and should not be used. Please directly specify the needed fields using the Need values. + // LoadAllSyntax loads typed syntax for the initial packages and all dependencies. LoadAllSyntax = LoadSyntax | NeedDeps // Deprecated: NeedExportsFile is a historical misspelling of NeedExportFile. @@ -133,13 +144,7 @@ const ( // A Config specifies details about how packages should be loaded. // The zero value is a valid configuration. // -// Calls to Load do not modify this struct. -// -// TODO(adonovan): #67702: this is currently false: in fact, -// calls to [Load] do not modify the public fields of this struct, but -// may modify hidden fields, so concurrent calls to [Load] must not -// use the same Config. But perhaps we should reestablish the -// documented invariant. +// Calls to [Load] do not modify this struct. type Config struct { // Mode controls the level of information returned for each package. Mode LoadMode @@ -170,19 +175,10 @@ type Config struct { // Env []string - // gocmdRunner guards go command calls from concurrency errors. - gocmdRunner *gocommand.Runner - // BuildFlags is a list of command-line flags to be passed through to // the build system's query tool. BuildFlags []string - // modFile will be used for -modfile in go command invocations. - modFile string - - // modFlag will be used for -modfile in go command invocations. - modFlag string - // Fset provides source position information for syntax trees and types. // If Fset is nil, Load will use a new fileset, but preserve Fset's value. Fset *token.FileSet @@ -229,21 +225,24 @@ type Config struct { // drivers may vary in their level of support for overlays. Overlay map[string][]byte - // goListOverlayFile is the JSON file that encodes the Overlay - // mapping, used by 'go list -overlay=...' - goListOverlayFile string + // -- Hidden configuration fields only for use in x/tools -- + + // modFile will be used for -modfile in go command invocations. + modFile string + + // modFlag will be used for -modfile in go command invocations. + modFlag string } // Load loads and returns the Go packages named by the given patterns. // -// Config specifies loading options; -// nil behaves the same as an empty Config. +// The cfg parameter specifies loading options; nil behaves the same as an empty [Config]. // // The [Config.Mode] field is a set of bits that determine what kinds // of information should be computed and returned. Modes that require // more information tend to be slower. See [LoadMode] for details // and important caveats. Its zero value is equivalent to -// NeedName | NeedFiles | NeedCompiledGoFiles. +// [NeedName] | [NeedFiles] | [NeedCompiledGoFiles]. // // Each call to Load returns a new set of [Package] instances. // The Packages and their Imports form a directed acyclic graph. @@ -260,7 +259,7 @@ type Config struct { // Errors associated with a particular package are recorded in the // corresponding Package's Errors list, and do not cause Load to // return an error. Clients may need to handle such errors before -// proceeding with further analysis. The PrintErrors function is +// proceeding with further analysis. The [PrintErrors] function is // provided for convenient display of all errors. func Load(cfg *Config, patterns ...string) ([]*Package, error) { ld := newLoader(cfg) @@ -323,21 +322,24 @@ func defaultDriver(cfg *Config, patterns ...string) (*DriverResponse, bool, erro } else if !response.NotHandled { return response, true, nil } - // (fall through) + // not handled: fall through } // go list fallback - // + // Write overlays once, as there are many calls // to 'go list' (one per chunk plus others too). - overlay, cleanupOverlay, err := gocommand.WriteOverlays(cfg.Overlay) + overlayFile, cleanupOverlay, err := gocommand.WriteOverlays(cfg.Overlay) if err != nil { return nil, false, err } defer cleanupOverlay() - cfg.goListOverlayFile = overlay - response, err := callDriverOnChunks(goListDriver, cfg, chunks) + var runner gocommand.Runner // (shared across many 'go list' calls) + driver := func(cfg *Config, patterns []string) (*DriverResponse, error) { + return goListDriver(cfg, &runner, overlayFile, patterns) + } + response, err := callDriverOnChunks(driver, cfg, chunks) if err != nil { return nil, false, err } @@ -375,16 +377,14 @@ func splitIntoChunks(patterns []string, argMax int) ([][]string, error) { func callDriverOnChunks(driver driver, cfg *Config, chunks [][]string) (*DriverResponse, error) { if len(chunks) == 0 { - return driver(cfg) + return driver(cfg, nil) } responses := make([]*DriverResponse, len(chunks)) errNotHandled := errors.New("driver returned NotHandled") var g errgroup.Group for i, chunk := range chunks { - i := i - chunk := chunk g.Go(func() (err error) { - responses[i], err = driver(cfg, chunk...) + responses[i], err = driver(cfg, chunk) if responses[i] != nil && responses[i].NotHandled { err = errNotHandled } @@ -434,6 +434,12 @@ type Package struct { // PkgPath is the package path as used by the go/types package. PkgPath string + // Dir is the directory associated with the package, if it exists. + // + // For packages listed by the go command, this is the directory containing + // the package files. + Dir string + // Errors contains any errors encountered querying the metadata // of the package, or while parsing or type-checking its files. Errors []Error @@ -521,8 +527,8 @@ type Package struct { // -- internal -- - // forTest is the package under test, if any. - forTest string + // ForTest is the package under test, if any. + ForTest string // depsErrors is the DepsErrors field from the go list response, if any. depsErrors []*packagesinternal.PackageError @@ -551,9 +557,6 @@ type ModuleError struct { } func init() { - packagesinternal.GetForTest = func(p interface{}) string { - return p.(*Package).forTest - } packagesinternal.GetDepsErrors = func(p interface{}) []*packagesinternal.PackageError { return p.(*Package).depsErrors } @@ -565,7 +568,6 @@ func init() { } packagesinternal.TypecheckCgo = int(typecheckCgo) packagesinternal.DepsErrors = int(needInternalDepsErrors) - packagesinternal.ForTest = int(needInternalForTest) } // An Error describes a problem with a package's metadata, syntax, or types. @@ -681,18 +683,19 @@ func (p *Package) String() string { return p.ID } // loaderPackage augments Package with state used during the loading phase type loaderPackage struct { *Package - importErrors map[string]error // maps each bad import to its error - loadOnce sync.Once - color uint8 // for cycle detection - needsrc bool // load from source (Mode >= LoadTypes) - needtypes bool // type information is either requested or depended on - initial bool // package was matched by a pattern - goVersion int // minor version number of go command on PATH + importErrors map[string]error // maps each bad import to its error + preds []*loaderPackage // packages that import this one + unfinishedSuccs atomic.Int32 // number of direct imports not yet loaded + color uint8 // for cycle detection + needsrc bool // load from source (Mode >= LoadTypes) + needtypes bool // type information is either requested or depended on + initial bool // package was matched by a pattern + goVersion int // minor version number of go command on PATH } // loader holds the working state of a single call to load. type loader struct { - pkgs map[string]*loaderPackage + pkgs map[string]*loaderPackage // keyed by Package.ID Config sizes types.Sizes // non-nil if needed by mode parseCache map[string]*parseValue @@ -738,9 +741,6 @@ func newLoader(cfg *Config) *loader { if ld.Config.Env == nil { ld.Config.Env = os.Environ() } - if ld.Config.gocmdRunner == nil { - ld.Config.gocmdRunner = &gocommand.Runner{} - } if ld.Context == nil { ld.Context = context.Background() } @@ -754,7 +754,7 @@ func newLoader(cfg *Config) *loader { ld.requestedMode = ld.Mode ld.Mode = impliedLoadMode(ld.Mode) - if ld.Mode&NeedTypes != 0 || ld.Mode&NeedSyntax != 0 { + if ld.Mode&(NeedSyntax|NeedTypes|NeedTypesInfo) != 0 { if ld.Fset == nil { ld.Fset = token.NewFileSet() } @@ -763,6 +763,7 @@ func newLoader(cfg *Config) *loader { // because we load source if export data is missing. if ld.ParseFile == nil { ld.ParseFile = func(fset *token.FileSet, filename string, src []byte) (*ast.File, error) { + // We implicitly promise to keep doing ast.Object resolution. :( const mode = parser.AllErrors | parser.ParseComments return parser.ParseFile(fset, filename, src, mode) } @@ -794,7 +795,7 @@ func (ld *loader) refine(response *DriverResponse) ([]*Package, error) { exportDataInvalid := len(ld.Overlay) > 0 || pkg.ExportFile == "" && pkg.PkgPath != "unsafe" // This package needs type information if the caller requested types and the package is // either a root, or it's a non-root and the user requested dependencies ... - needtypes := (ld.Mode&NeedTypes|NeedTypesInfo != 0 && (rootIndex >= 0 || ld.Mode&NeedDeps != 0)) + needtypes := (ld.Mode&(NeedTypes|NeedTypesInfo) != 0 && (rootIndex >= 0 || ld.Mode&NeedDeps != 0)) // This package needs source if the call requested source (or types info, which implies source) // and the package is either a root, or itas a non- root and the user requested dependencies... needsrc := ((ld.Mode&(NeedSyntax|NeedTypesInfo) != 0 && (rootIndex >= 0 || ld.Mode&NeedDeps != 0)) || @@ -819,9 +820,10 @@ func (ld *loader) refine(response *DriverResponse) ([]*Package, error) { } } - if ld.Mode&NeedImports != 0 { - // Materialize the import graph. - + // Materialize the import graph if it is needed (NeedImports), + // or if we'll be using loadPackages (Need{Syntax|Types|TypesInfo}). + var leaves []*loaderPackage // packages with no unfinished successors + if ld.Mode&(NeedImports|NeedSyntax|NeedTypes|NeedTypesInfo) != 0 { const ( white = 0 // new grey = 1 // in progress @@ -840,63 +842,76 @@ func (ld *loader) refine(response *DriverResponse) ([]*Package, error) { // dependency on a package that does. These are the only packages // for which we load source code. var stack []*loaderPackage - var visit func(lpkg *loaderPackage) bool - visit = func(lpkg *loaderPackage) bool { - switch lpkg.color { - case black: - return lpkg.needsrc - case grey: + var visit func(from, lpkg *loaderPackage) bool + visit = func(from, lpkg *loaderPackage) bool { + if lpkg.color == grey { panic("internal error: grey node") } - lpkg.color = grey - stack = append(stack, lpkg) // push - stubs := lpkg.Imports // the structure form has only stubs with the ID in the Imports - lpkg.Imports = make(map[string]*Package, len(stubs)) - for importPath, ipkg := range stubs { - var importErr error - imp := ld.pkgs[ipkg.ID] - if imp == nil { - // (includes package "C" when DisableCgo) - importErr = fmt.Errorf("missing package: %q", ipkg.ID) - } else if imp.color == grey { - importErr = fmt.Errorf("import cycle: %s", stack) + if lpkg.color == white { + lpkg.color = grey + stack = append(stack, lpkg) // push + stubs := lpkg.Imports // the structure form has only stubs with the ID in the Imports + lpkg.Imports = make(map[string]*Package, len(stubs)) + for importPath, ipkg := range stubs { + var importErr error + imp := ld.pkgs[ipkg.ID] + if imp == nil { + // (includes package "C" when DisableCgo) + importErr = fmt.Errorf("missing package: %q", ipkg.ID) + } else if imp.color == grey { + importErr = fmt.Errorf("import cycle: %s", stack) + } + if importErr != nil { + if lpkg.importErrors == nil { + lpkg.importErrors = make(map[string]error) + } + lpkg.importErrors[importPath] = importErr + continue + } + + if visit(lpkg, imp) { + lpkg.needsrc = true + } + lpkg.Imports[importPath] = imp.Package } - if importErr != nil { - if lpkg.importErrors == nil { - lpkg.importErrors = make(map[string]error) + + // -- postorder -- + + // Complete type information is required for the + // immediate dependencies of each source package. + if lpkg.needsrc && ld.Mode&NeedTypes != 0 { + for _, ipkg := range lpkg.Imports { + ld.pkgs[ipkg.ID].needtypes = true } - lpkg.importErrors[importPath] = importErr - continue } - if visit(imp) { - lpkg.needsrc = true + // NeedTypeSizes causes TypeSizes to be set even + // on packages for which types aren't needed. + if ld.Mode&NeedTypesSizes != 0 { + lpkg.TypesSizes = ld.sizes } - lpkg.Imports[importPath] = imp.Package - } - // Complete type information is required for the - // immediate dependencies of each source package. - if lpkg.needsrc && ld.Mode&NeedTypes != 0 { - for _, ipkg := range lpkg.Imports { - ld.pkgs[ipkg.ID].needtypes = true + // Add packages with no imports directly to the queue of leaves. + if len(lpkg.Imports) == 0 { + leaves = append(leaves, lpkg) } + + stack = stack[:len(stack)-1] // pop + lpkg.color = black } - // NeedTypeSizes causes TypeSizes to be set even - // on packages for which types aren't needed. - if ld.Mode&NeedTypesSizes != 0 { - lpkg.TypesSizes = ld.sizes + // Add edge from predecessor. + if from != nil { + from.unfinishedSuccs.Add(+1) // incref + lpkg.preds = append(lpkg.preds, from) } - stack = stack[:len(stack)-1] // pop - lpkg.color = black return lpkg.needsrc } // For each initial package, create its import DAG. for _, lpkg := range initial { - visit(lpkg) + visit(nil, lpkg) } } else { @@ -909,16 +924,45 @@ func (ld *loader) refine(response *DriverResponse) ([]*Package, error) { // Load type data and syntax if needed, starting at // the initial packages (roots of the import DAG). - if ld.Mode&NeedTypes != 0 || ld.Mode&NeedSyntax != 0 { - var wg sync.WaitGroup - for _, lpkg := range initial { - wg.Add(1) - go func(lpkg *loaderPackage) { - ld.loadRecursive(lpkg) - wg.Done() - }(lpkg) + if ld.Mode&(NeedSyntax|NeedTypes|NeedTypesInfo) != 0 { + + // We avoid using g.SetLimit to limit concurrency as + // it makes g.Go stop accepting work, which prevents + // workers from enqeuing, and thus finishing, and thus + // allowing the group to make progress: deadlock. + // + // Instead we use the ioLimit and cpuLimit semaphores. + g, _ := errgroup.WithContext(ld.Context) + + // enqueues adds a package to the type-checking queue. + // It must have no unfinished successors. + var enqueue func(*loaderPackage) + enqueue = func(lpkg *loaderPackage) { + g.Go(func() error { + // Parse and type-check. + ld.loadPackage(lpkg) + + // Notify each waiting predecessor, + // and enqueue it when it becomes a leaf. + for _, pred := range lpkg.preds { + if pred.unfinishedSuccs.Add(-1) == 0 { // decref + enqueue(pred) + } + } + + return nil + }) + } + + // Load leaves first, adding new packages + // to the queue as they become leaves. + for _, leaf := range leaves { + enqueue(leaf) + } + + if err := g.Wait(); err != nil { + return nil, err // cancelled } - wg.Wait() } // If the context is done, return its error and @@ -965,7 +1009,7 @@ func (ld *loader) refine(response *DriverResponse) ([]*Package, error) { if ld.requestedMode&NeedSyntax == 0 { ld.pkgs[i].Syntax = nil } - if ld.requestedMode&NeedTypes == 0 && ld.requestedMode&NeedSyntax == 0 { + if ld.requestedMode&(NeedSyntax|NeedTypes|NeedTypesInfo) == 0 { ld.pkgs[i].Fset = nil } if ld.requestedMode&NeedTypesInfo == 0 { @@ -982,31 +1026,10 @@ func (ld *loader) refine(response *DriverResponse) ([]*Package, error) { return result, nil } -// loadRecursive loads the specified package and its dependencies, -// recursively, in parallel, in topological order. -// It is atomic and idempotent. -// Precondition: ld.Mode&NeedTypes. -func (ld *loader) loadRecursive(lpkg *loaderPackage) { - lpkg.loadOnce.Do(func() { - // Load the direct dependencies, in parallel. - var wg sync.WaitGroup - for _, ipkg := range lpkg.Imports { - imp := ld.pkgs[ipkg.ID] - wg.Add(1) - go func(imp *loaderPackage) { - ld.loadRecursive(imp) - wg.Done() - }(imp) - } - wg.Wait() - ld.loadPackage(lpkg) - }) -} - -// loadPackage loads the specified package. +// loadPackage loads/parses/typechecks the specified package. // It must be called only once per Package, // after immediate dependencies are loaded. -// Precondition: ld.Mode & NeedTypes. +// Precondition: ld.Mode&(NeedSyntax|NeedTypes|NeedTypesInfo) != 0. func (ld *loader) loadPackage(lpkg *loaderPackage) { if lpkg.PkgPath == "unsafe" { // Fill in the blanks to avoid surprises. @@ -1042,6 +1065,10 @@ func (ld *loader) loadPackage(lpkg *loaderPackage) { if !lpkg.needtypes && !lpkg.needsrc { return } + + // TODO(adonovan): this condition looks wrong: + // I think it should be lpkg.needtypes && !lpg.needsrc, + // so that NeedSyntax without NeedTypes can be satisfied by export data. if !lpkg.needsrc { if err := ld.loadFromExportData(lpkg); err != nil { lpkg.Errors = append(lpkg.Errors, Error{ @@ -1147,7 +1174,7 @@ func (ld *loader) loadPackage(lpkg *loaderPackage) { } lpkg.Syntax = files - if ld.Config.Mode&NeedTypes == 0 { + if ld.Config.Mode&(NeedTypes|NeedTypesInfo) == 0 { return } @@ -1158,16 +1185,20 @@ func (ld *loader) loadPackage(lpkg *loaderPackage) { return } - lpkg.TypesInfo = &types.Info{ - Types: make(map[ast.Expr]types.TypeAndValue), - Defs: make(map[*ast.Ident]types.Object), - Uses: make(map[*ast.Ident]types.Object), - Implicits: make(map[ast.Node]types.Object), - Instances: make(map[*ast.Ident]types.Instance), - Scopes: make(map[ast.Node]*types.Scope), - Selections: make(map[*ast.SelectorExpr]*types.Selection), + // Populate TypesInfo only if needed, as it + // causes the type checker to work much harder. + if ld.Config.Mode&NeedTypesInfo != 0 { + lpkg.TypesInfo = &types.Info{ + Types: make(map[ast.Expr]types.TypeAndValue), + Defs: make(map[*ast.Ident]types.Object), + Uses: make(map[*ast.Ident]types.Object), + Implicits: make(map[ast.Node]types.Object), + Instances: make(map[*ast.Ident]types.Instance), + Scopes: make(map[ast.Node]*types.Scope), + Selections: make(map[*ast.SelectorExpr]*types.Selection), + FileVersions: make(map[*ast.File]string), + } } - versions.InitFileVersions(lpkg.TypesInfo) lpkg.TypesSizes = ld.sizes importer := importerFunc(func(path string) (*types.Package, error) { @@ -1220,6 +1251,10 @@ func (ld *loader) loadPackage(lpkg *loaderPackage) { } } + // Type-checking is CPU intensive. + cpuLimit <- unit{} // acquire a token + defer func() { <-cpuLimit }() // release a token + typErr := types.NewChecker(tc, ld.Fset, lpkg.Types, lpkg.TypesInfo).Files(lpkg.Syntax) lpkg.importErrors = nil // no longer needed @@ -1284,8 +1319,11 @@ type importerFunc func(path string) (*types.Package, error) func (f importerFunc) Import(path string) (*types.Package, error) { return f(path) } // We use a counting semaphore to limit -// the number of parallel I/O calls per process. -var ioLimit = make(chan bool, 20) +// the number of parallel I/O calls or CPU threads per process. +var ( + ioLimit = make(chan unit, 20) + cpuLimit = make(chan unit, runtime.GOMAXPROCS(0)) +) func (ld *loader) parseFile(filename string) (*ast.File, error) { ld.parseCacheMu.Lock() @@ -1302,20 +1340,28 @@ func (ld *loader) parseFile(filename string) (*ast.File, error) { var src []byte for f, contents := range ld.Config.Overlay { + // TODO(adonovan): Inefficient for large overlays. + // Do an exact name-based map lookup + // (for nonexistent files) followed by a + // FileID-based map lookup (for existing ones). if sameFile(f, filename) { src = contents + break } } var err error if src == nil { - ioLimit <- true // wait + ioLimit <- unit{} // acquire a token src, err = os.ReadFile(filename) - <-ioLimit // signal + <-ioLimit // release a token } if err != nil { v.err = err } else { + // Parsing is CPU intensive. + cpuLimit <- unit{} // acquire a token v.f, v.err = ld.ParseFile(ld.Fset, filename, src) + <-cpuLimit // release a token } close(v.ready) @@ -1330,18 +1376,21 @@ func (ld *loader) parseFile(filename string) (*ast.File, error) { // Because files are scanned in parallel, the token.Pos // positions of the resulting ast.Files are not ordered. func (ld *loader) parseFiles(filenames []string) ([]*ast.File, []error) { - var wg sync.WaitGroup - n := len(filenames) - parsed := make([]*ast.File, n) - errors := make([]error, n) - for i, file := range filenames { - wg.Add(1) - go func(i int, filename string) { + var ( + n = len(filenames) + parsed = make([]*ast.File, n) + errors = make([]error, n) + ) + var g errgroup.Group + for i, filename := range filenames { + // This creates goroutines unnecessarily in the + // cache-hit case, but that case is uncommon. + g.Go(func() error { parsed[i], errors[i] = ld.parseFile(filename) - wg.Done() - }(i, file) + return nil + }) } - wg.Wait() + g.Wait() // Eliminate nils, preserving order. var o int @@ -1512,4 +1561,4 @@ func usesExportData(cfg *Config) bool { return cfg.Mode&NeedExportFile != 0 || cfg.Mode&NeedTypes != 0 && cfg.Mode&NeedDeps == 0 } -var _ interface{} = io.Discard // assert build toolchain is go1.16 or later +type unit struct{} diff --git a/vendor/golang.org/x/tools/go/types/objectpath/objectpath.go b/vendor/golang.org/x/tools/go/types/objectpath/objectpath.go index 9ada1777..16ed3c17 100644 --- a/vendor/golang.org/x/tools/go/types/objectpath/objectpath.go +++ b/vendor/golang.org/x/tools/go/types/objectpath/objectpath.go @@ -228,7 +228,7 @@ func (enc *Encoder) For(obj types.Object) (Path, error) { // Reject obviously non-viable cases. switch obj := obj.(type) { case *types.TypeName: - if _, ok := aliases.Unalias(obj.Type()).(*types.TypeParam); !ok { + if _, ok := types.Unalias(obj.Type()).(*types.TypeParam); !ok { // With the exception of type parameters, only package-level type names // have a path. return "", fmt.Errorf("no path for %v", obj) @@ -280,26 +280,26 @@ func (enc *Encoder) For(obj types.Object) (Path, error) { path = append(path, opType) T := o.Type() - if alias, ok := T.(*aliases.Alias); ok { - if r := findTypeParam(obj, aliases.TypeParams(alias), path, opTypeParam, nil); r != nil { + if alias, ok := T.(*types.Alias); ok { + if r := findTypeParam(obj, aliases.TypeParams(alias), path, opTypeParam); r != nil { return Path(r), nil } - if r := find(obj, aliases.Rhs(alias), append(path, opRhs), nil); r != nil { + if r := find(obj, aliases.Rhs(alias), append(path, opRhs)); r != nil { return Path(r), nil } } else if tname.IsAlias() { // legacy alias - if r := find(obj, T, path, nil); r != nil { + if r := find(obj, T, path); r != nil { return Path(r), nil } } else if named, ok := T.(*types.Named); ok { // defined (named) type - if r := findTypeParam(obj, named.TypeParams(), path, opTypeParam, nil); r != nil { + if r := findTypeParam(obj, named.TypeParams(), path, opTypeParam); r != nil { return Path(r), nil } - if r := find(obj, named.Underlying(), append(path, opUnderlying), nil); r != nil { + if r := find(obj, named.Underlying(), append(path, opUnderlying)); r != nil { return Path(r), nil } } @@ -312,7 +312,7 @@ func (enc *Encoder) For(obj types.Object) (Path, error) { if _, ok := o.(*types.TypeName); !ok { if o.Exported() { // exported non-type (const, var, func) - if r := find(obj, o.Type(), append(path, opType), nil); r != nil { + if r := find(obj, o.Type(), append(path, opType)); r != nil { return Path(r), nil } } @@ -320,7 +320,7 @@ func (enc *Encoder) For(obj types.Object) (Path, error) { } // Inspect declared methods of defined types. - if T, ok := aliases.Unalias(o.Type()).(*types.Named); ok { + if T, ok := types.Unalias(o.Type()).(*types.Named); ok { path = append(path, opType) // The method index here is always with respect // to the underlying go/types data structures, @@ -332,7 +332,7 @@ func (enc *Encoder) For(obj types.Object) (Path, error) { if m == obj { return Path(path2), nil // found declared method } - if r := find(obj, m.Type(), append(path2, opType), nil); r != nil { + if r := find(obj, m.Type(), append(path2, opType)); r != nil { return Path(r), nil } } @@ -447,46 +447,64 @@ func (enc *Encoder) concreteMethod(meth *types.Func) (Path, bool) { // // The seen map is used to short circuit cycles through type parameters. If // nil, it will be allocated as necessary. -func find(obj types.Object, T types.Type, path []byte, seen map[*types.TypeName]bool) []byte { +// +// The seenMethods map is used internally to short circuit cycles through +// interface methods, such as occur in the following example: +// +// type I interface { f() interface{I} } +// +// See golang/go#68046 for details. +func find(obj types.Object, T types.Type, path []byte) []byte { + return (&finder{obj: obj}).find(T, path) +} + +// finder closes over search state for a call to find. +type finder struct { + obj types.Object // the sought object + seenTParamNames map[*types.TypeName]bool // for cycle breaking through type parameters + seenMethods map[*types.Func]bool // for cycle breaking through recursive interfaces +} + +func (f *finder) find(T types.Type, path []byte) []byte { switch T := T.(type) { - case *aliases.Alias: - return find(obj, aliases.Unalias(T), path, seen) + case *types.Alias: + return f.find(types.Unalias(T), path) case *types.Basic, *types.Named: // Named types belonging to pkg were handled already, // so T must belong to another package. No path. return nil case *types.Pointer: - return find(obj, T.Elem(), append(path, opElem), seen) + return f.find(T.Elem(), append(path, opElem)) case *types.Slice: - return find(obj, T.Elem(), append(path, opElem), seen) + return f.find(T.Elem(), append(path, opElem)) case *types.Array: - return find(obj, T.Elem(), append(path, opElem), seen) + return f.find(T.Elem(), append(path, opElem)) case *types.Chan: - return find(obj, T.Elem(), append(path, opElem), seen) + return f.find(T.Elem(), append(path, opElem)) case *types.Map: - if r := find(obj, T.Key(), append(path, opKey), seen); r != nil { + if r := f.find(T.Key(), append(path, opKey)); r != nil { return r } - return find(obj, T.Elem(), append(path, opElem), seen) + return f.find(T.Elem(), append(path, opElem)) case *types.Signature: - if r := findTypeParam(obj, T.RecvTypeParams(), path, opRecvTypeParam, nil); r != nil { + if r := f.findTypeParam(T.RecvTypeParams(), path, opRecvTypeParam); r != nil { return r } - if r := findTypeParam(obj, T.TypeParams(), path, opTypeParam, seen); r != nil { + if r := f.findTypeParam(T.TypeParams(), path, opTypeParam); r != nil { return r } - if r := find(obj, T.Params(), append(path, opParams), seen); r != nil { + if r := f.find(T.Params(), append(path, opParams)); r != nil { return r } - return find(obj, T.Results(), append(path, opResults), seen) + return f.find(T.Results(), append(path, opResults)) case *types.Struct: for i := 0; i < T.NumFields(); i++ { fld := T.Field(i) path2 := appendOpArg(path, opField, i) - if fld == obj { + if fld == f.obj { return path2 // found field var } - if r := find(obj, fld.Type(), append(path2, opType), seen); r != nil { + if r := f.find(fld.Type(), append(path2, opType)); r != nil { return r } } @@ -495,10 +513,10 @@ func find(obj types.Object, T types.Type, path []byte, seen map[*types.TypeName] for i := 0; i < T.Len(); i++ { v := T.At(i) path2 := appendOpArg(path, opAt, i) - if v == obj { + if v == f.obj { return path2 // found param/result var } - if r := find(obj, v.Type(), append(path2, opType), seen); r != nil { + if r := f.find(v.Type(), append(path2, opType)); r != nil { return r } } @@ -506,28 +524,35 @@ func find(obj types.Object, T types.Type, path []byte, seen map[*types.TypeName] case *types.Interface: for i := 0; i < T.NumMethods(); i++ { m := T.Method(i) + if f.seenMethods[m] { + return nil + } path2 := appendOpArg(path, opMethod, i) - if m == obj { + if m == f.obj { return path2 // found interface method } - if r := find(obj, m.Type(), append(path2, opType), seen); r != nil { + if f.seenMethods == nil { + f.seenMethods = make(map[*types.Func]bool) + } + f.seenMethods[m] = true + if r := f.find(m.Type(), append(path2, opType)); r != nil { return r } } return nil case *types.TypeParam: name := T.Obj() - if name == obj { - return append(path, opObj) - } - if seen[name] { + if f.seenTParamNames[name] { return nil } - if seen == nil { - seen = make(map[*types.TypeName]bool) + if name == f.obj { + return append(path, opObj) } - seen[name] = true - if r := find(obj, T.Constraint(), append(path, opConstraint), seen); r != nil { + if f.seenTParamNames == nil { + f.seenTParamNames = make(map[*types.TypeName]bool) + } + f.seenTParamNames[name] = true + if r := f.find(T.Constraint(), append(path, opConstraint)); r != nil { return r } return nil @@ -535,11 +560,15 @@ func find(obj types.Object, T types.Type, path []byte, seen map[*types.TypeName] panic(T) } -func findTypeParam(obj types.Object, list *types.TypeParamList, path []byte, op byte, seen map[*types.TypeName]bool) []byte { +func findTypeParam(obj types.Object, list *types.TypeParamList, path []byte, op byte) []byte { + return (&finder{obj: obj}).findTypeParam(list, path, op) +} + +func (f *finder) findTypeParam(list *types.TypeParamList, path []byte, op byte) []byte { for i := 0; i < list.Len(); i++ { tparam := list.At(i) path2 := appendOpArg(path, op, i) - if r := find(obj, tparam, path2, seen); r != nil { + if r := f.find(tparam, path2); r != nil { return r } } @@ -626,7 +655,7 @@ func Object(pkg *types.Package, p Path) (types.Object, error) { // Inv: t != nil, obj == nil - t = aliases.Unalias(t) + t = types.Unalias(t) switch code { case opElem: hasElem, ok := t.(hasElem) // Pointer, Slice, Array, Chan, Map @@ -664,7 +693,7 @@ func Object(pkg *types.Package, p Path) (types.Object, error) { t = named.Underlying() case opRhs: - if alias, ok := t.(*aliases.Alias); ok { + if alias, ok := t.(*types.Alias); ok { t = aliases.Rhs(alias) } else if false && aliases.Enabled() { // The Enabled check is too expensive, so for now we diff --git a/vendor/golang.org/x/tools/go/types/typeutil/callee.go b/vendor/golang.org/x/tools/go/types/typeutil/callee.go new file mode 100644 index 00000000..75438035 --- /dev/null +++ b/vendor/golang.org/x/tools/go/types/typeutil/callee.go @@ -0,0 +1,68 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package typeutil + +import ( + "go/ast" + "go/types" + + "golang.org/x/tools/internal/typeparams" +) + +// Callee returns the named target of a function call, if any: +// a function, method, builtin, or variable. +// +// Functions and methods may potentially have type parameters. +func Callee(info *types.Info, call *ast.CallExpr) types.Object { + fun := ast.Unparen(call.Fun) + + // Look through type instantiation if necessary. + isInstance := false + switch fun.(type) { + case *ast.IndexExpr, *ast.IndexListExpr: + // When extracting the callee from an *IndexExpr, we need to check that + // it is a *types.Func and not a *types.Var. + // Example: Don't match a slice m within the expression `m[0]()`. + isInstance = true + fun, _, _, _ = typeparams.UnpackIndexExpr(fun) + } + + var obj types.Object + switch fun := fun.(type) { + case *ast.Ident: + obj = info.Uses[fun] // type, var, builtin, or declared func + case *ast.SelectorExpr: + if sel, ok := info.Selections[fun]; ok { + obj = sel.Obj() // method or field + } else { + obj = info.Uses[fun.Sel] // qualified identifier? + } + } + if _, ok := obj.(*types.TypeName); ok { + return nil // T(x) is a conversion, not a call + } + // A Func is required to match instantiations. + if _, ok := obj.(*types.Func); isInstance && !ok { + return nil // Was not a Func. + } + return obj +} + +// StaticCallee returns the target (function or method) of a static function +// call, if any. It returns nil for calls to builtins. +// +// Note: for calls of instantiated functions and methods, StaticCallee returns +// the corresponding generic function or method on the generic type. +func StaticCallee(info *types.Info, call *ast.CallExpr) *types.Func { + if f, ok := Callee(info, call).(*types.Func); ok && !interfaceMethod(f) { + return f + } + return nil +} + +func interfaceMethod(f *types.Func) bool { + recv := f.Type().(*types.Signature).Recv() + return recv != nil && types.IsInterface(recv.Type()) +} diff --git a/vendor/golang.org/x/tools/go/types/typeutil/imports.go b/vendor/golang.org/x/tools/go/types/typeutil/imports.go new file mode 100644 index 00000000..b81ce0c3 --- /dev/null +++ b/vendor/golang.org/x/tools/go/types/typeutil/imports.go @@ -0,0 +1,30 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package typeutil + +import "go/types" + +// Dependencies returns all dependencies of the specified packages. +// +// Dependent packages appear in topological order: if package P imports +// package Q, Q appears earlier than P in the result. +// The algorithm follows import statements in the order they +// appear in the source code, so the result is a total order. +func Dependencies(pkgs ...*types.Package) []*types.Package { + var result []*types.Package + seen := make(map[*types.Package]bool) + var visit func(pkgs []*types.Package) + visit = func(pkgs []*types.Package) { + for _, p := range pkgs { + if !seen[p] { + seen[p] = true + visit(p.Imports()) + result = append(result, p) + } + } + } + visit(pkgs) + return result +} diff --git a/vendor/golang.org/x/tools/go/types/typeutil/map.go b/vendor/golang.org/x/tools/go/types/typeutil/map.go new file mode 100644 index 00000000..8d824f71 --- /dev/null +++ b/vendor/golang.org/x/tools/go/types/typeutil/map.go @@ -0,0 +1,517 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package typeutil defines various utilities for types, such as Map, +// a mapping from types.Type to any values. +package typeutil // import "golang.org/x/tools/go/types/typeutil" + +import ( + "bytes" + "fmt" + "go/types" + "reflect" + + "golang.org/x/tools/internal/typeparams" +) + +// Map is a hash-table-based mapping from types (types.Type) to +// arbitrary any values. The concrete types that implement +// the Type interface are pointers. Since they are not canonicalized, +// == cannot be used to check for equivalence, and thus we cannot +// simply use a Go map. +// +// Just as with map[K]V, a nil *Map is a valid empty map. +// +// Not thread-safe. +type Map struct { + hasher Hasher // shared by many Maps + table map[uint32][]entry // maps hash to bucket; entry.key==nil means unused + length int // number of map entries +} + +// entry is an entry (key/value association) in a hash bucket. +type entry struct { + key types.Type + value any +} + +// SetHasher sets the hasher used by Map. +// +// All Hashers are functionally equivalent but contain internal state +// used to cache the results of hashing previously seen types. +// +// A single Hasher created by MakeHasher() may be shared among many +// Maps. This is recommended if the instances have many keys in +// common, as it will amortize the cost of hash computation. +// +// A Hasher may grow without bound as new types are seen. Even when a +// type is deleted from the map, the Hasher never shrinks, since other +// types in the map may reference the deleted type indirectly. +// +// Hashers are not thread-safe, and read-only operations such as +// Map.Lookup require updates to the hasher, so a full Mutex lock (not a +// read-lock) is require around all Map operations if a shared +// hasher is accessed from multiple threads. +// +// If SetHasher is not called, the Map will create a private hasher at +// the first call to Insert. +func (m *Map) SetHasher(hasher Hasher) { + m.hasher = hasher +} + +// Delete removes the entry with the given key, if any. +// It returns true if the entry was found. +func (m *Map) Delete(key types.Type) bool { + if m != nil && m.table != nil { + hash := m.hasher.Hash(key) + bucket := m.table[hash] + for i, e := range bucket { + if e.key != nil && types.Identical(key, e.key) { + // We can't compact the bucket as it + // would disturb iterators. + bucket[i] = entry{} + m.length-- + return true + } + } + } + return false +} + +// At returns the map entry for the given key. +// The result is nil if the entry is not present. +func (m *Map) At(key types.Type) any { + if m != nil && m.table != nil { + for _, e := range m.table[m.hasher.Hash(key)] { + if e.key != nil && types.Identical(key, e.key) { + return e.value + } + } + } + return nil +} + +// Set sets the map entry for key to val, +// and returns the previous entry, if any. +func (m *Map) Set(key types.Type, value any) (prev any) { + if m.table != nil { + hash := m.hasher.Hash(key) + bucket := m.table[hash] + var hole *entry + for i, e := range bucket { + if e.key == nil { + hole = &bucket[i] + } else if types.Identical(key, e.key) { + prev = e.value + bucket[i].value = value + return + } + } + + if hole != nil { + *hole = entry{key, value} // overwrite deleted entry + } else { + m.table[hash] = append(bucket, entry{key, value}) + } + } else { + if m.hasher.memo == nil { + m.hasher = MakeHasher() + } + hash := m.hasher.Hash(key) + m.table = map[uint32][]entry{hash: {entry{key, value}}} + } + + m.length++ + return +} + +// Len returns the number of map entries. +func (m *Map) Len() int { + if m != nil { + return m.length + } + return 0 +} + +// Iterate calls function f on each entry in the map in unspecified order. +// +// If f should mutate the map, Iterate provides the same guarantees as +// Go maps: if f deletes a map entry that Iterate has not yet reached, +// f will not be invoked for it, but if f inserts a map entry that +// Iterate has not yet reached, whether or not f will be invoked for +// it is unspecified. +func (m *Map) Iterate(f func(key types.Type, value any)) { + if m != nil { + for _, bucket := range m.table { + for _, e := range bucket { + if e.key != nil { + f(e.key, e.value) + } + } + } + } +} + +// Keys returns a new slice containing the set of map keys. +// The order is unspecified. +func (m *Map) Keys() []types.Type { + keys := make([]types.Type, 0, m.Len()) + m.Iterate(func(key types.Type, _ any) { + keys = append(keys, key) + }) + return keys +} + +func (m *Map) toString(values bool) string { + if m == nil { + return "{}" + } + var buf bytes.Buffer + fmt.Fprint(&buf, "{") + sep := "" + m.Iterate(func(key types.Type, value any) { + fmt.Fprint(&buf, sep) + sep = ", " + fmt.Fprint(&buf, key) + if values { + fmt.Fprintf(&buf, ": %q", value) + } + }) + fmt.Fprint(&buf, "}") + return buf.String() +} + +// String returns a string representation of the map's entries. +// Values are printed using fmt.Sprintf("%v", v). +// Order is unspecified. +func (m *Map) String() string { + return m.toString(true) +} + +// KeysString returns a string representation of the map's key set. +// Order is unspecified. +func (m *Map) KeysString() string { + return m.toString(false) +} + +//////////////////////////////////////////////////////////////////////// +// Hasher + +// A Hasher maps each type to its hash value. +// For efficiency, a hasher uses memoization; thus its memory +// footprint grows monotonically over time. +// Hashers are not thread-safe. +// Hashers have reference semantics. +// Call MakeHasher to create a Hasher. +type Hasher struct { + memo map[types.Type]uint32 + + // ptrMap records pointer identity. + ptrMap map[any]uint32 + + // sigTParams holds type parameters from the signature being hashed. + // Signatures are considered identical modulo renaming of type parameters, so + // within the scope of a signature type the identity of the signature's type + // parameters is just their index. + // + // Since the language does not currently support referring to uninstantiated + // generic types or functions, and instantiated signatures do not have type + // parameter lists, we should never encounter a second non-empty type + // parameter list when hashing a generic signature. + sigTParams *types.TypeParamList +} + +// MakeHasher returns a new Hasher instance. +func MakeHasher() Hasher { + return Hasher{ + memo: make(map[types.Type]uint32), + ptrMap: make(map[any]uint32), + sigTParams: nil, + } +} + +// Hash computes a hash value for the given type t such that +// Identical(t, t') => Hash(t) == Hash(t'). +func (h Hasher) Hash(t types.Type) uint32 { + hash, ok := h.memo[t] + if !ok { + hash = h.hashFor(t) + h.memo[t] = hash + } + return hash +} + +// hashString computes the Fowler–Noll–Vo hash of s. +func hashString(s string) uint32 { + var h uint32 + for i := 0; i < len(s); i++ { + h ^= uint32(s[i]) + h *= 16777619 + } + return h +} + +// hashFor computes the hash of t. +func (h Hasher) hashFor(t types.Type) uint32 { + // See Identical for rationale. + switch t := t.(type) { + case *types.Basic: + return uint32(t.Kind()) + + case *types.Alias: + return h.Hash(types.Unalias(t)) + + case *types.Array: + return 9043 + 2*uint32(t.Len()) + 3*h.Hash(t.Elem()) + + case *types.Slice: + return 9049 + 2*h.Hash(t.Elem()) + + case *types.Struct: + var hash uint32 = 9059 + for i, n := 0, t.NumFields(); i < n; i++ { + f := t.Field(i) + if f.Anonymous() { + hash += 8861 + } + hash += hashString(t.Tag(i)) + hash += hashString(f.Name()) // (ignore f.Pkg) + hash += h.Hash(f.Type()) + } + return hash + + case *types.Pointer: + return 9067 + 2*h.Hash(t.Elem()) + + case *types.Signature: + var hash uint32 = 9091 + if t.Variadic() { + hash *= 8863 + } + + // Use a separate hasher for types inside of the signature, where type + // parameter identity is modified to be (index, constraint). We must use a + // new memo for this hasher as type identity may be affected by this + // masking. For example, in func[T any](*T), the identity of *T depends on + // whether we are mapping the argument in isolation, or recursively as part + // of hashing the signature. + // + // We should never encounter a generic signature while hashing another + // generic signature, but defensively set sigTParams only if h.mask is + // unset. + tparams := t.TypeParams() + if h.sigTParams == nil && tparams.Len() != 0 { + h = Hasher{ + // There may be something more efficient than discarding the existing + // memo, but it would require detecting whether types are 'tainted' by + // references to type parameters. + memo: make(map[types.Type]uint32), + // Re-using ptrMap ensures that pointer identity is preserved in this + // hasher. + ptrMap: h.ptrMap, + sigTParams: tparams, + } + } + + for i := 0; i < tparams.Len(); i++ { + tparam := tparams.At(i) + hash += 7 * h.Hash(tparam.Constraint()) + } + + return hash + 3*h.hashTuple(t.Params()) + 5*h.hashTuple(t.Results()) + + case *types.Union: + return h.hashUnion(t) + + case *types.Interface: + // Interfaces are identical if they have the same set of methods, with + // identical names and types, and they have the same set of type + // restrictions. See go/types.identical for more details. + var hash uint32 = 9103 + + // Hash methods. + for i, n := 0, t.NumMethods(); i < n; i++ { + // Method order is not significant. + // Ignore m.Pkg(). + m := t.Method(i) + // Use shallow hash on method signature to + // avoid anonymous interface cycles. + hash += 3*hashString(m.Name()) + 5*h.shallowHash(m.Type()) + } + + // Hash type restrictions. + terms, err := typeparams.InterfaceTermSet(t) + // if err != nil t has invalid type restrictions. + if err == nil { + hash += h.hashTermSet(terms) + } + + return hash + + case *types.Map: + return 9109 + 2*h.Hash(t.Key()) + 3*h.Hash(t.Elem()) + + case *types.Chan: + return 9127 + 2*uint32(t.Dir()) + 3*h.Hash(t.Elem()) + + case *types.Named: + hash := h.hashPtr(t.Obj()) + targs := t.TypeArgs() + for i := 0; i < targs.Len(); i++ { + targ := targs.At(i) + hash += 2 * h.Hash(targ) + } + return hash + + case *types.TypeParam: + return h.hashTypeParam(t) + + case *types.Tuple: + return h.hashTuple(t) + } + + panic(fmt.Sprintf("%T: %v", t, t)) +} + +func (h Hasher) hashTuple(tuple *types.Tuple) uint32 { + // See go/types.identicalTypes for rationale. + n := tuple.Len() + hash := 9137 + 2*uint32(n) + for i := 0; i < n; i++ { + hash += 3 * h.Hash(tuple.At(i).Type()) + } + return hash +} + +func (h Hasher) hashUnion(t *types.Union) uint32 { + // Hash type restrictions. + terms, err := typeparams.UnionTermSet(t) + // if err != nil t has invalid type restrictions. Fall back on a non-zero + // hash. + if err != nil { + return 9151 + } + return h.hashTermSet(terms) +} + +func (h Hasher) hashTermSet(terms []*types.Term) uint32 { + hash := 9157 + 2*uint32(len(terms)) + for _, term := range terms { + // term order is not significant. + termHash := h.Hash(term.Type()) + if term.Tilde() { + termHash *= 9161 + } + hash += 3 * termHash + } + return hash +} + +// hashTypeParam returns a hash of the type parameter t, with a hash value +// depending on whether t is contained in h.sigTParams. +// +// If h.sigTParams is set and contains t, then we are in the process of hashing +// a signature, and the hash value of t must depend only on t's index and +// constraint: signatures are considered identical modulo type parameter +// renaming. To avoid infinite recursion, we only hash the type parameter +// index, and rely on types.Identical to handle signatures where constraints +// are not identical. +// +// Otherwise the hash of t depends only on t's pointer identity. +func (h Hasher) hashTypeParam(t *types.TypeParam) uint32 { + if h.sigTParams != nil { + i := t.Index() + if i >= 0 && i < h.sigTParams.Len() && t == h.sigTParams.At(i) { + return 9173 + 3*uint32(i) + } + } + return h.hashPtr(t.Obj()) +} + +// hashPtr hashes the pointer identity of ptr. It uses h.ptrMap to ensure that +// pointers values are not dependent on the GC. +func (h Hasher) hashPtr(ptr any) uint32 { + if hash, ok := h.ptrMap[ptr]; ok { + return hash + } + hash := uint32(reflect.ValueOf(ptr).Pointer()) + h.ptrMap[ptr] = hash + return hash +} + +// shallowHash computes a hash of t without looking at any of its +// element Types, to avoid potential anonymous cycles in the types of +// interface methods. +// +// When an unnamed non-empty interface type appears anywhere among the +// arguments or results of an interface method, there is a potential +// for endless recursion. Consider: +// +// type X interface { m() []*interface { X } } +// +// The problem is that the Methods of the interface in m's result type +// include m itself; there is no mention of the named type X that +// might help us break the cycle. +// (See comment in go/types.identical, case *Interface, for more.) +func (h Hasher) shallowHash(t types.Type) uint32 { + // t is the type of an interface method (Signature), + // its params or results (Tuples), or their immediate + // elements (mostly Slice, Pointer, Basic, Named), + // so there's no need to optimize anything else. + switch t := t.(type) { + case *types.Alias: + return h.shallowHash(types.Unalias(t)) + + case *types.Signature: + var hash uint32 = 604171 + if t.Variadic() { + hash *= 971767 + } + // The Signature/Tuple recursion is always finite + // and invariably shallow. + return hash + 1062599*h.shallowHash(t.Params()) + 1282529*h.shallowHash(t.Results()) + + case *types.Tuple: + n := t.Len() + hash := 9137 + 2*uint32(n) + for i := 0; i < n; i++ { + hash += 53471161 * h.shallowHash(t.At(i).Type()) + } + return hash + + case *types.Basic: + return 45212177 * uint32(t.Kind()) + + case *types.Array: + return 1524181 + 2*uint32(t.Len()) + + case *types.Slice: + return 2690201 + + case *types.Struct: + return 3326489 + + case *types.Pointer: + return 4393139 + + case *types.Union: + return 562448657 + + case *types.Interface: + return 2124679 // no recursion here + + case *types.Map: + return 9109 + + case *types.Chan: + return 9127 + + case *types.Named: + return h.hashPtr(t.Obj()) + + case *types.TypeParam: + return h.hashPtr(t.Obj()) + } + panic(fmt.Sprintf("shallowHash: %T: %v", t, t)) +} diff --git a/vendor/golang.org/x/tools/go/types/typeutil/methodsetcache.go b/vendor/golang.org/x/tools/go/types/typeutil/methodsetcache.go new file mode 100644 index 00000000..f7666028 --- /dev/null +++ b/vendor/golang.org/x/tools/go/types/typeutil/methodsetcache.go @@ -0,0 +1,71 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// This file implements a cache of method sets. + +package typeutil + +import ( + "go/types" + "sync" +) + +// A MethodSetCache records the method set of each type T for which +// MethodSet(T) is called so that repeat queries are fast. +// The zero value is a ready-to-use cache instance. +type MethodSetCache struct { + mu sync.Mutex + named map[*types.Named]struct{ value, pointer *types.MethodSet } // method sets for named N and *N + others map[types.Type]*types.MethodSet // all other types +} + +// MethodSet returns the method set of type T. It is thread-safe. +// +// If cache is nil, this function is equivalent to types.NewMethodSet(T). +// Utility functions can thus expose an optional *MethodSetCache +// parameter to clients that care about performance. +func (cache *MethodSetCache) MethodSet(T types.Type) *types.MethodSet { + if cache == nil { + return types.NewMethodSet(T) + } + cache.mu.Lock() + defer cache.mu.Unlock() + + switch T := types.Unalias(T).(type) { + case *types.Named: + return cache.lookupNamed(T).value + + case *types.Pointer: + if N, ok := types.Unalias(T.Elem()).(*types.Named); ok { + return cache.lookupNamed(N).pointer + } + } + + // all other types + // (The map uses pointer equivalence, not type identity.) + mset := cache.others[T] + if mset == nil { + mset = types.NewMethodSet(T) + if cache.others == nil { + cache.others = make(map[types.Type]*types.MethodSet) + } + cache.others[T] = mset + } + return mset +} + +func (cache *MethodSetCache) lookupNamed(named *types.Named) struct{ value, pointer *types.MethodSet } { + if cache.named == nil { + cache.named = make(map[*types.Named]struct{ value, pointer *types.MethodSet }) + } + // Avoid recomputing mset(*T) for each distinct Pointer + // instance whose underlying type is a named type. + msets, ok := cache.named[named] + if !ok { + msets.value = types.NewMethodSet(named) + msets.pointer = types.NewMethodSet(types.NewPointer(named)) + cache.named[named] = msets + } + return msets +} diff --git a/vendor/golang.org/x/tools/go/types/typeutil/ui.go b/vendor/golang.org/x/tools/go/types/typeutil/ui.go new file mode 100644 index 00000000..9dda6a25 --- /dev/null +++ b/vendor/golang.org/x/tools/go/types/typeutil/ui.go @@ -0,0 +1,53 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package typeutil + +// This file defines utilities for user interfaces that display types. + +import ( + "go/types" +) + +// IntuitiveMethodSet returns the intuitive method set of a type T, +// which is the set of methods you can call on an addressable value of +// that type. +// +// The result always contains MethodSet(T), and is exactly MethodSet(T) +// for interface types and for pointer-to-concrete types. +// For all other concrete types T, the result additionally +// contains each method belonging to *T if there is no identically +// named method on T itself. +// +// This corresponds to user intuition about method sets; +// this function is intended only for user interfaces. +// +// The order of the result is as for types.MethodSet(T). +func IntuitiveMethodSet(T types.Type, msets *MethodSetCache) []*types.Selection { + isPointerToConcrete := func(T types.Type) bool { + ptr, ok := types.Unalias(T).(*types.Pointer) + return ok && !types.IsInterface(ptr.Elem()) + } + + var result []*types.Selection + mset := msets.MethodSet(T) + if types.IsInterface(T) || isPointerToConcrete(T) { + for i, n := 0, mset.Len(); i < n; i++ { + result = append(result, mset.At(i)) + } + } else { + // T is some other concrete type. + // Report methods of T and *T, preferring those of T. + pmset := msets.MethodSet(types.NewPointer(T)) + for i, n := 0, pmset.Len(); i < n; i++ { + meth := pmset.At(i) + if m := mset.Lookup(meth.Obj().Pkg(), meth.Obj().Name()); m != nil { + meth = m + } + result = append(result, meth) + } + + } + return result +} diff --git a/vendor/golang.org/x/tools/internal/aliases/aliases.go b/vendor/golang.org/x/tools/internal/aliases/aliases.go index c24c2eee..b9425f5a 100644 --- a/vendor/golang.org/x/tools/internal/aliases/aliases.go +++ b/vendor/golang.org/x/tools/internal/aliases/aliases.go @@ -22,11 +22,17 @@ import ( // GODEBUG=gotypesalias=... by invoking the type checker. The Enabled // function is expensive and should be called once per task (e.g. // package import), not once per call to NewAlias. -func NewAlias(enabled bool, pos token.Pos, pkg *types.Package, name string, rhs types.Type) *types.TypeName { +// +// Precondition: enabled || len(tparams)==0. +// If materialized aliases are disabled, there must not be any type parameters. +func NewAlias(enabled bool, pos token.Pos, pkg *types.Package, name string, rhs types.Type, tparams []*types.TypeParam) *types.TypeName { if enabled { tname := types.NewTypeName(pos, pkg, name, nil) - newAlias(tname, rhs) + SetTypeParams(types.NewAlias(tname, rhs), tparams) return tname } + if len(tparams) > 0 { + panic("cannot create an alias with type parameters when gotypesalias is not enabled") + } return types.NewTypeName(pos, pkg, name, rhs) } diff --git a/vendor/golang.org/x/tools/internal/aliases/aliases_go121.go b/vendor/golang.org/x/tools/internal/aliases/aliases_go121.go deleted file mode 100644 index 6652f7db..00000000 --- a/vendor/golang.org/x/tools/internal/aliases/aliases_go121.go +++ /dev/null @@ -1,35 +0,0 @@ -// Copyright 2024 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build !go1.22 -// +build !go1.22 - -package aliases - -import ( - "go/types" -) - -// Alias is a placeholder for a go/types.Alias for <=1.21. -// It will never be created by go/types. -type Alias struct{} - -func (*Alias) String() string { panic("unreachable") } -func (*Alias) Underlying() types.Type { panic("unreachable") } -func (*Alias) Obj() *types.TypeName { panic("unreachable") } -func Rhs(alias *Alias) types.Type { panic("unreachable") } -func TypeParams(alias *Alias) *types.TypeParamList { panic("unreachable") } -func SetTypeParams(alias *Alias, tparams []*types.TypeParam) { panic("unreachable") } -func TypeArgs(alias *Alias) *types.TypeList { panic("unreachable") } -func Origin(alias *Alias) *Alias { panic("unreachable") } - -// Unalias returns the type t for go <=1.21. -func Unalias(t types.Type) types.Type { return t } - -func newAlias(name *types.TypeName, rhs types.Type) *Alias { panic("unreachable") } - -// Enabled reports whether [NewAlias] should create [types.Alias] types. -// -// Before go1.22, this function always returns false. -func Enabled() bool { return false } diff --git a/vendor/golang.org/x/tools/internal/aliases/aliases_go122.go b/vendor/golang.org/x/tools/internal/aliases/aliases_go122.go index 3ef1afeb..7716a333 100644 --- a/vendor/golang.org/x/tools/internal/aliases/aliases_go122.go +++ b/vendor/golang.org/x/tools/internal/aliases/aliases_go122.go @@ -2,9 +2,6 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -//go:build go1.22 -// +build go1.22 - package aliases import ( @@ -14,22 +11,19 @@ import ( "go/types" ) -// Alias is an alias of types.Alias. -type Alias = types.Alias - // Rhs returns the type on the right-hand side of the alias declaration. -func Rhs(alias *Alias) types.Type { +func Rhs(alias *types.Alias) types.Type { if alias, ok := any(alias).(interface{ Rhs() types.Type }); ok { return alias.Rhs() // go1.23+ } // go1.22's Alias didn't have the Rhs method, // so Unalias is the best we can do. - return Unalias(alias) + return types.Unalias(alias) } // TypeParams returns the type parameter list of the alias. -func TypeParams(alias *Alias) *types.TypeParamList { +func TypeParams(alias *types.Alias) *types.TypeParamList { if alias, ok := any(alias).(interface{ TypeParams() *types.TypeParamList }); ok { return alias.TypeParams() // go1.23+ } @@ -37,7 +31,7 @@ func TypeParams(alias *Alias) *types.TypeParamList { } // SetTypeParams sets the type parameters of the alias type. -func SetTypeParams(alias *Alias, tparams []*types.TypeParam) { +func SetTypeParams(alias *types.Alias, tparams []*types.TypeParam) { if alias, ok := any(alias).(interface { SetTypeParams(tparams []*types.TypeParam) }); ok { @@ -48,7 +42,7 @@ func SetTypeParams(alias *Alias, tparams []*types.TypeParam) { } // TypeArgs returns the type arguments used to instantiate the Alias type. -func TypeArgs(alias *Alias) *types.TypeList { +func TypeArgs(alias *types.Alias) *types.TypeList { if alias, ok := any(alias).(interface{ TypeArgs() *types.TypeList }); ok { return alias.TypeArgs() // go1.23+ } @@ -57,26 +51,13 @@ func TypeArgs(alias *Alias) *types.TypeList { // Origin returns the generic Alias type of which alias is an instance. // If alias is not an instance of a generic alias, Origin returns alias. -func Origin(alias *Alias) *Alias { +func Origin(alias *types.Alias) *types.Alias { if alias, ok := any(alias).(interface{ Origin() *types.Alias }); ok { return alias.Origin() // go1.23+ } return alias // not an instance of a generic alias (go1.22) } -// Unalias is a wrapper of types.Unalias. -func Unalias(t types.Type) types.Type { return types.Unalias(t) } - -// newAlias is an internal alias around types.NewAlias. -// Direct usage is discouraged as the moment. -// Try to use NewAlias instead. -func newAlias(tname *types.TypeName, rhs types.Type) *Alias { - a := types.NewAlias(tname, rhs) - // TODO(go.dev/issue/65455): Remove kludgy workaround to set a.actual as a side-effect. - Unalias(a) - return a -} - // Enabled reports whether [NewAlias] should create [types.Alias] types. // // This function is expensive! Call it sparingly. @@ -92,7 +73,7 @@ func Enabled() bool { // many tests. Therefore any attempt to cache the result // is just incorrect. fset := token.NewFileSet() - f, _ := parser.ParseFile(fset, "a.go", "package p; type A = int", 0) + f, _ := parser.ParseFile(fset, "a.go", "package p; type A = int", parser.SkipObjectResolution) pkg, _ := new(types.Config).Check("p", fset, []*ast.File{f}, nil) _, enabled := pkg.Scope().Lookup("A").Type().(*types.Alias) return enabled diff --git a/vendor/golang.org/x/tools/internal/gcimporter/bimport.go b/vendor/golang.org/x/tools/internal/gcimporter/bimport.go index d98b0db2..d79a605e 100644 --- a/vendor/golang.org/x/tools/internal/gcimporter/bimport.go +++ b/vendor/golang.org/x/tools/internal/gcimporter/bimport.go @@ -87,64 +87,3 @@ func chanDir(d int) types.ChanDir { return 0 } } - -var predeclOnce sync.Once -var predecl []types.Type // initialized lazily - -func predeclared() []types.Type { - predeclOnce.Do(func() { - // initialize lazily to be sure that all - // elements have been initialized before - predecl = []types.Type{ // basic types - types.Typ[types.Bool], - types.Typ[types.Int], - types.Typ[types.Int8], - types.Typ[types.Int16], - types.Typ[types.Int32], - types.Typ[types.Int64], - types.Typ[types.Uint], - types.Typ[types.Uint8], - types.Typ[types.Uint16], - types.Typ[types.Uint32], - types.Typ[types.Uint64], - types.Typ[types.Uintptr], - types.Typ[types.Float32], - types.Typ[types.Float64], - types.Typ[types.Complex64], - types.Typ[types.Complex128], - types.Typ[types.String], - - // basic type aliases - types.Universe.Lookup("byte").Type(), - types.Universe.Lookup("rune").Type(), - - // error - types.Universe.Lookup("error").Type(), - - // untyped types - types.Typ[types.UntypedBool], - types.Typ[types.UntypedInt], - types.Typ[types.UntypedRune], - types.Typ[types.UntypedFloat], - types.Typ[types.UntypedComplex], - types.Typ[types.UntypedString], - types.Typ[types.UntypedNil], - - // package unsafe - types.Typ[types.UnsafePointer], - - // invalid type - types.Typ[types.Invalid], // only appears in packages with errors - - // used internally by gc; never used by this package or in .a files - anyType{}, - } - predecl = append(predecl, additionalPredeclared()...) - }) - return predecl -} - -type anyType struct{} - -func (t anyType) Underlying() types.Type { return t } -func (t anyType) String() string { return "any" } diff --git a/vendor/golang.org/x/tools/internal/gcimporter/exportdata.go b/vendor/golang.org/x/tools/internal/gcimporter/exportdata.go index f6437feb..6f5d8a21 100644 --- a/vendor/golang.org/x/tools/internal/gcimporter/exportdata.go +++ b/vendor/golang.org/x/tools/internal/gcimporter/exportdata.go @@ -39,12 +39,15 @@ func readGopackHeader(r *bufio.Reader) (name string, size int64, err error) { } // FindExportData positions the reader r at the beginning of the -// export data section of an underlying GC-created object/archive +// export data section of an underlying cmd/compile created archive // file by reading from it. The reader must be positioned at the -// start of the file before calling this function. The hdr result -// is the string before the export data, either "$$" or "$$B". -// The size result is the length of the export data in bytes, or -1 if not known. -func FindExportData(r *bufio.Reader) (hdr string, size int64, err error) { +// start of the file before calling this function. +// The size result is the length of the export data in bytes. +// +// This function is needed by [gcexportdata.Read], which must +// accept inputs produced by the last two releases of cmd/compile, +// plus tip. +func FindExportData(r *bufio.Reader) (size int64, err error) { // Read first line to make sure this is an object file. line, err := r.ReadSlice('\n') if err != nil { @@ -52,27 +55,32 @@ func FindExportData(r *bufio.Reader) (hdr string, size int64, err error) { return } - if string(line) == "!\n" { - // Archive file. Scan to __.PKGDEF. - var name string - if name, size, err = readGopackHeader(r); err != nil { - return - } + // Is the first line an archive file signature? + if string(line) != "!\n" { + err = fmt.Errorf("not the start of an archive file (%q)", line) + return + } - // First entry should be __.PKGDEF. - if name != "__.PKGDEF" { - err = fmt.Errorf("go archive is missing __.PKGDEF") - return - } + // Archive file. Scan to __.PKGDEF. + var name string + if name, size, err = readGopackHeader(r); err != nil { + return + } + arsize := size - // Read first line of __.PKGDEF data, so that line - // is once again the first line of the input. - if line, err = r.ReadSlice('\n'); err != nil { - err = fmt.Errorf("can't find export data (%v)", err) - return - } - size -= int64(len(line)) + // First entry should be __.PKGDEF. + if name != "__.PKGDEF" { + err = fmt.Errorf("go archive is missing __.PKGDEF") + return + } + + // Read first line of __.PKGDEF data, so that line + // is once again the first line of the input. + if line, err = r.ReadSlice('\n'); err != nil { + err = fmt.Errorf("can't find export data (%v)", err) + return } + size -= int64(len(line)) // Now at __.PKGDEF in archive or still at beginning of file. // Either way, line should begin with "go object ". @@ -81,8 +89,8 @@ func FindExportData(r *bufio.Reader) (hdr string, size int64, err error) { return } - // Skip over object header to export data. - // Begins after first line starting with $$. + // Skip over object headers to get to the export data section header "$$B\n". + // Object headers are lines that do not start with '$'. for line[0] != '$' { if line, err = r.ReadSlice('\n'); err != nil { err = fmt.Errorf("can't find export data (%v)", err) @@ -90,9 +98,18 @@ func FindExportData(r *bufio.Reader) (hdr string, size int64, err error) { } size -= int64(len(line)) } - hdr = string(line) + + // Check for the binary export data section header "$$B\n". + hdr := string(line) + if hdr != "$$B\n" { + err = fmt.Errorf("unknown export data header: %q", hdr) + return + } + // TODO(taking): Remove end-of-section marker "\n$$\n" from size. + if size < 0 { - size = -1 + err = fmt.Errorf("invalid size (%d) in the archive file: %d bytes remain without section headers (recompile package)", arsize, size) + return } return diff --git a/vendor/golang.org/x/tools/internal/gcimporter/gcimporter.go b/vendor/golang.org/x/tools/internal/gcimporter/gcimporter.go index 39df9112..dbbca860 100644 --- a/vendor/golang.org/x/tools/internal/gcimporter/gcimporter.go +++ b/vendor/golang.org/x/tools/internal/gcimporter/gcimporter.go @@ -161,6 +161,8 @@ func FindPkg(path, srcDir string) (filename, id string) { // Import imports a gc-generated package given its import path and srcDir, adds // the corresponding package object to the packages map, and returns the object. // The packages map must contain all packages already imported. +// +// TODO(taking): Import is only used in tests. Move to gcimporter_test. func Import(packages map[string]*types.Package, path, srcDir string, lookup func(path string) (io.ReadCloser, error)) (pkg *types.Package, err error) { var rc io.ReadCloser var filename, id string @@ -210,53 +212,50 @@ func Import(packages map[string]*types.Package, path, srcDir string, lookup func } defer rc.Close() - var hdr string var size int64 buf := bufio.NewReader(rc) - if hdr, size, err = FindExportData(buf); err != nil { + if size, err = FindExportData(buf); err != nil { return } - switch hdr { - case "$$B\n": - var data []byte - data, err = io.ReadAll(buf) - if err != nil { - break - } + var data []byte + data, err = io.ReadAll(buf) + if err != nil { + return + } + if len(data) == 0 { + return nil, fmt.Errorf("no data to load a package from for path %s", id) + } - // TODO(gri): allow clients of go/importer to provide a FileSet. - // Or, define a new standard go/types/gcexportdata package. - fset := token.NewFileSet() + // TODO(gri): allow clients of go/importer to provide a FileSet. + // Or, define a new standard go/types/gcexportdata package. + fset := token.NewFileSet() - // Select appropriate importer. - if len(data) > 0 { - switch data[0] { - case 'v', 'c', 'd': // binary, till go1.10 - return nil, fmt.Errorf("binary (%c) import format is no longer supported", data[0]) + // Select appropriate importer. + switch data[0] { + case 'v', 'c', 'd': + // binary: emitted by cmd/compile till go1.10; obsolete. + return nil, fmt.Errorf("binary (%c) import format is no longer supported", data[0]) - case 'i': // indexed, till go1.19 - _, pkg, err := IImportData(fset, packages, data[1:], id) - return pkg, err + case 'i': + // indexed: emitted by cmd/compile till go1.19; + // now used only for serializing go/types. + // See https://github.com/golang/go/issues/69491. + _, pkg, err := IImportData(fset, packages, data[1:], id) + return pkg, err - case 'u': // unified, from go1.20 - _, pkg, err := UImportData(fset, packages, data[1:size], id) - return pkg, err - - default: - l := len(data) - if l > 10 { - l = 10 - } - return nil, fmt.Errorf("unexpected export data with prefix %q for path %s", string(data[:l]), id) - } - } + case 'u': + // unified: emitted by cmd/compile since go1.20. + _, pkg, err := UImportData(fset, packages, data[1:size], id) + return pkg, err default: - err = fmt.Errorf("unknown export data header: %q", hdr) + l := len(data) + if l > 10 { + l = 10 + } + return nil, fmt.Errorf("unexpected export data with prefix %q for path %s", string(data[:l]), id) } - - return } type byPath []*types.Package diff --git a/vendor/golang.org/x/tools/internal/gcimporter/iexport.go b/vendor/golang.org/x/tools/internal/gcimporter/iexport.go index deeb67f3..7dfc31a3 100644 --- a/vendor/golang.org/x/tools/internal/gcimporter/iexport.go +++ b/vendor/golang.org/x/tools/internal/gcimporter/iexport.go @@ -2,9 +2,227 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// Indexed binary package export. -// This file was derived from $GOROOT/src/cmd/compile/internal/gc/iexport.go; -// see that file for specification of the format. +// Indexed package export. +// +// The indexed export data format is an evolution of the previous +// binary export data format. Its chief contribution is introducing an +// index table, which allows efficient random access of individual +// declarations and inline function bodies. In turn, this allows +// avoiding unnecessary work for compilation units that import large +// packages. +// +// +// The top-level data format is structured as: +// +// Header struct { +// Tag byte // 'i' +// Version uvarint +// StringSize uvarint +// DataSize uvarint +// } +// +// Strings [StringSize]byte +// Data [DataSize]byte +// +// MainIndex []struct{ +// PkgPath stringOff +// PkgName stringOff +// PkgHeight uvarint +// +// Decls []struct{ +// Name stringOff +// Offset declOff +// } +// } +// +// Fingerprint [8]byte +// +// uvarint means a uint64 written out using uvarint encoding. +// +// []T means a uvarint followed by that many T objects. In other +// words: +// +// Len uvarint +// Elems [Len]T +// +// stringOff means a uvarint that indicates an offset within the +// Strings section. At that offset is another uvarint, followed by +// that many bytes, which form the string value. +// +// declOff means a uvarint that indicates an offset within the Data +// section where the associated declaration can be found. +// +// +// There are five kinds of declarations, distinguished by their first +// byte: +// +// type Var struct { +// Tag byte // 'V' +// Pos Pos +// Type typeOff +// } +// +// type Func struct { +// Tag byte // 'F' or 'G' +// Pos Pos +// TypeParams []typeOff // only present if Tag == 'G' +// Signature Signature +// } +// +// type Const struct { +// Tag byte // 'C' +// Pos Pos +// Value Value +// } +// +// type Type struct { +// Tag byte // 'T' or 'U' +// Pos Pos +// TypeParams []typeOff // only present if Tag == 'U' +// Underlying typeOff +// +// Methods []struct{ // omitted if Underlying is an interface type +// Pos Pos +// Name stringOff +// Recv Param +// Signature Signature +// } +// } +// +// type Alias struct { +// Tag byte // 'A' or 'B' +// Pos Pos +// TypeParams []typeOff // only present if Tag == 'B' +// Type typeOff +// } +// +// // "Automatic" declaration of each typeparam +// type TypeParam struct { +// Tag byte // 'P' +// Pos Pos +// Implicit bool +// Constraint typeOff +// } +// +// typeOff means a uvarint that either indicates a predeclared type, +// or an offset into the Data section. If the uvarint is less than +// predeclReserved, then it indicates the index into the predeclared +// types list (see predeclared in bexport.go for order). Otherwise, +// subtracting predeclReserved yields the offset of a type descriptor. +// +// Value means a type, kind, and type-specific value. See +// (*exportWriter).value for details. +// +// +// There are twelve kinds of type descriptors, distinguished by an itag: +// +// type DefinedType struct { +// Tag itag // definedType +// Name stringOff +// PkgPath stringOff +// } +// +// type PointerType struct { +// Tag itag // pointerType +// Elem typeOff +// } +// +// type SliceType struct { +// Tag itag // sliceType +// Elem typeOff +// } +// +// type ArrayType struct { +// Tag itag // arrayType +// Len uint64 +// Elem typeOff +// } +// +// type ChanType struct { +// Tag itag // chanType +// Dir uint64 // 1 RecvOnly; 2 SendOnly; 3 SendRecv +// Elem typeOff +// } +// +// type MapType struct { +// Tag itag // mapType +// Key typeOff +// Elem typeOff +// } +// +// type FuncType struct { +// Tag itag // signatureType +// PkgPath stringOff +// Signature Signature +// } +// +// type StructType struct { +// Tag itag // structType +// PkgPath stringOff +// Fields []struct { +// Pos Pos +// Name stringOff +// Type typeOff +// Embedded bool +// Note stringOff +// } +// } +// +// type InterfaceType struct { +// Tag itag // interfaceType +// PkgPath stringOff +// Embeddeds []struct { +// Pos Pos +// Type typeOff +// } +// Methods []struct { +// Pos Pos +// Name stringOff +// Signature Signature +// } +// } +// +// // Reference to a type param declaration +// type TypeParamType struct { +// Tag itag // typeParamType +// Name stringOff +// PkgPath stringOff +// } +// +// // Instantiation of a generic type (like List[T2] or List[int]) +// type InstanceType struct { +// Tag itag // instanceType +// Pos pos +// TypeArgs []typeOff +// BaseType typeOff +// } +// +// type UnionType struct { +// Tag itag // interfaceType +// Terms []struct { +// tilde bool +// Type typeOff +// } +// } +// +// +// +// type Signature struct { +// Params []Param +// Results []Param +// Variadic bool // omitted if Results is empty +// } +// +// type Param struct { +// Pos Pos +// Name stringOff +// Type typOff +// } +// +// +// Pos encodes a file:line:column triple, incorporating a simple delta +// encoding scheme within a data object. See exportWriter.pos for +// details. package gcimporter @@ -24,11 +242,30 @@ import ( "golang.org/x/tools/go/types/objectpath" "golang.org/x/tools/internal/aliases" - "golang.org/x/tools/internal/tokeninternal" ) // IExportShallow encodes "shallow" export data for the specified package. // +// For types, we use "shallow" export data. Historically, the Go +// compiler always produced a summary of the types for a given package +// that included types from other packages that it indirectly +// referenced: "deep" export data. This had the advantage that the +// compiler (and analogous tools such as gopls) need only load one +// file per direct import. However, it meant that the files tended to +// get larger based on the level of the package in the import +// graph. For example, higher-level packages in the kubernetes module +// have over 1MB of "deep" export data, even when they have almost no +// content of their own, merely because they mention a major type that +// references many others. In pathological cases the export data was +// 300x larger than the source for a package due to this quadratic +// growth. +// +// "Shallow" export data means that the serialized types describe only +// a single package. If those types mention types from other packages, +// the type checker may need to request additional packages beyond +// just the direct imports. Type information for the entire transitive +// closure of imports is provided (lazily) by the DAG. +// // No promises are made about the encoding other than that it can be decoded by // the same version of IIExportShallow. If you plan to save export data in the // file system, be sure to include a cryptographic digest of the executable in @@ -51,8 +288,8 @@ func IExportShallow(fset *token.FileSet, pkg *types.Package, reportf ReportFunc) } // IImportShallow decodes "shallow" types.Package data encoded by -// IExportShallow in the same executable. This function cannot import data from -// cmd/compile or gcexportdata.Write. +// [IExportShallow] in the same executable. This function cannot import data +// from cmd/compile or gcexportdata.Write. // // The importer calls getPackages to obtain package symbols for all // packages mentioned in the export data, including the one being @@ -223,7 +460,7 @@ func (p *iexporter) encodeFile(w *intWriter, file *token.File, needed []uint64) // Sort the set of needed offsets. Duplicates are harmless. sort.Slice(needed, func(i, j int) bool { return needed[i] < needed[j] }) - lines := tokeninternal.GetLines(file) // byte offset of each line start + lines := file.Lines() // byte offset of each line start w.uint64(uint64(len(lines))) // Rather than record the entire array of line start offsets, @@ -507,13 +744,13 @@ func (p *iexporter) doDecl(obj types.Object) { case *types.TypeName: t := obj.Type() - if tparam, ok := aliases.Unalias(t).(*types.TypeParam); ok { + if tparam, ok := types.Unalias(t).(*types.TypeParam); ok { w.tag(typeParamTag) w.pos(obj.Pos()) constraint := tparam.Constraint() if p.version >= iexportVersionGo1_18 { implicit := false - if iface, _ := aliases.Unalias(constraint).(*types.Interface); iface != nil { + if iface, _ := types.Unalias(constraint).(*types.Interface); iface != nil { implicit = iface.IsImplicit() } w.bool(implicit) @@ -523,9 +760,22 @@ func (p *iexporter) doDecl(obj types.Object) { } if obj.IsAlias() { - w.tag(aliasTag) + alias, materialized := t.(*types.Alias) // may fail when aliases are not enabled + + var tparams *types.TypeParamList + if materialized { + tparams = aliases.TypeParams(alias) + } + if tparams.Len() == 0 { + w.tag(aliasTag) + } else { + w.tag(genericAliasTag) + } w.pos(obj.Pos()) - if alias, ok := t.(*aliases.Alias); ok { + if tparams.Len() > 0 { + w.tparamList(obj.Name(), tparams, obj.Pkg()) + } + if materialized { // Preserve materialized aliases, // even of non-exported types. t = aliases.Rhs(alias) @@ -744,8 +994,14 @@ func (w *exportWriter) doTyp(t types.Type, pkg *types.Package) { }() } switch t := t.(type) { - case *aliases.Alias: - // TODO(adonovan): support parameterized aliases, following *types.Named. + case *types.Alias: + if targs := aliases.TypeArgs(t); targs.Len() > 0 { + w.startType(instanceType) + w.pos(t.Obj().Pos()) + w.typeList(targs, pkg) + w.typ(aliases.Origin(t), pkg) + return + } w.startType(aliasType) w.qualifiedType(t.Obj()) @@ -854,7 +1110,7 @@ func (w *exportWriter) doTyp(t types.Type, pkg *types.Package) { for i := 0; i < n; i++ { ft := t.EmbeddedType(i) tPkg := pkg - if named, _ := aliases.Unalias(ft).(*types.Named); named != nil { + if named, _ := types.Unalias(ft).(*types.Named); named != nil { w.pos(named.Obj().Pos()) } else { w.pos(token.NoPos) diff --git a/vendor/golang.org/x/tools/internal/gcimporter/iimport.go b/vendor/golang.org/x/tools/internal/gcimporter/iimport.go index 136aa036..e260c0e8 100644 --- a/vendor/golang.org/x/tools/internal/gcimporter/iimport.go +++ b/vendor/golang.org/x/tools/internal/gcimporter/iimport.go @@ -3,7 +3,7 @@ // license that can be found in the LICENSE file. // Indexed package import. -// See cmd/compile/internal/gc/iexport.go for the export data format. +// See iexport.go for the export data format. // This file is a copy of $GOROOT/src/go/internal/gcimporter/iimport.go. @@ -53,6 +53,7 @@ const ( iexportVersionPosCol = 1 iexportVersionGo1_18 = 2 iexportVersionGenerics = 2 + iexportVersion = iexportVersionGenerics iexportVersionCurrent = 2 ) @@ -540,7 +541,7 @@ func canReuse(def *types.Named, rhs types.Type) bool { if def == nil { return true } - iface, _ := aliases.Unalias(rhs).(*types.Interface) + iface, _ := types.Unalias(rhs).(*types.Interface) if iface == nil { return true } @@ -557,19 +558,28 @@ type importReader struct { prevColumn int64 } +// markBlack is redefined in iimport_go123.go, to work around golang/go#69912. +// +// If TypeNames are not marked black (in the sense of go/types cycle +// detection), they may be mutated when dot-imported. Fix this by punching a +// hole through the type, when compiling with Go 1.23. (The bug has been fixed +// for 1.24, but the fix was not worth back-porting). +var markBlack = func(name *types.TypeName) {} + func (r *importReader) obj(name string) { tag := r.byte() pos := r.pos() switch tag { - case aliasTag: + case aliasTag, genericAliasTag: + var tparams []*types.TypeParam + if tag == genericAliasTag { + tparams = r.tparamList() + } typ := r.typ() - // TODO(adonovan): support generic aliases: - // if tag == genericAliasTag { - // tparams := r.tparamList() - // alias.SetTypeParams(tparams) - // } - r.declare(aliases.NewAlias(r.p.aliases, pos, r.currPkg, name, typ)) + obj := aliases.NewAlias(r.p.aliases, pos, r.currPkg, name, typ, tparams) + markBlack(obj) // workaround for golang/go#69912 + r.declare(obj) case constTag: typ, val := r.value() @@ -589,6 +599,9 @@ func (r *importReader) obj(name string) { // declaration before recursing. obj := types.NewTypeName(pos, r.currPkg, name, nil) named := types.NewNamed(obj, nil, nil) + + markBlack(obj) // workaround for golang/go#69912 + // Declare obj before calling r.tparamList, so the new type name is recognized // if used in the constraint of one of its own typeparams (see #48280). r.declare(obj) @@ -615,7 +628,7 @@ func (r *importReader) obj(name string) { if targs.Len() > 0 { rparams = make([]*types.TypeParam, targs.Len()) for i := range rparams { - rparams[i] = aliases.Unalias(targs.At(i)).(*types.TypeParam) + rparams[i] = types.Unalias(targs.At(i)).(*types.TypeParam) } } msig := r.signature(recv, rparams, nil) @@ -645,7 +658,7 @@ func (r *importReader) obj(name string) { } constraint := r.typ() if implicit { - iface, _ := aliases.Unalias(constraint).(*types.Interface) + iface, _ := types.Unalias(constraint).(*types.Interface) if iface == nil { errorf("non-interface constraint marked implicit") } @@ -852,7 +865,7 @@ func (r *importReader) typ() types.Type { } func isInterface(t types.Type) bool { - _, ok := aliases.Unalias(t).(*types.Interface) + _, ok := types.Unalias(t).(*types.Interface) return ok } @@ -862,7 +875,7 @@ func (r *importReader) string() string { return r.p.stringAt(r.uint64()) } func (r *importReader) doType(base *types.Named) (res types.Type) { k := r.kind() if debug { - r.p.trace("importing type %d (base: %s)", k, base) + r.p.trace("importing type %d (base: %v)", k, base) r.p.indent++ defer func() { r.p.indent-- @@ -959,7 +972,7 @@ func (r *importReader) doType(base *types.Named) (res types.Type) { methods[i] = method } - typ := newInterface(methods, embeddeds) + typ := types.NewInterfaceType(methods, embeddeds) r.p.interfaceList = append(r.p.interfaceList, typ) return typ @@ -1051,7 +1064,7 @@ func (r *importReader) tparamList() []*types.TypeParam { for i := range xs { // Note: the standard library importer is tolerant of nil types here, // though would panic in SetTypeParams. - xs[i] = aliases.Unalias(r.typ()).(*types.TypeParam) + xs[i] = types.Unalias(r.typ()).(*types.TypeParam) } return xs } diff --git a/vendor/golang.org/x/tools/internal/gcimporter/iimport_go122.go b/vendor/golang.org/x/tools/internal/gcimporter/iimport_go122.go new file mode 100644 index 00000000..7586bfac --- /dev/null +++ b/vendor/golang.org/x/tools/internal/gcimporter/iimport_go122.go @@ -0,0 +1,53 @@ +// Copyright 2024 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build go1.22 && !go1.24 + +package gcimporter + +import ( + "go/token" + "go/types" + "unsafe" +) + +// TODO(rfindley): delete this workaround once go1.24 is assured. + +func init() { + // Update markBlack so that it correctly sets the color + // of imported TypeNames. + // + // See the doc comment for markBlack for details. + + type color uint32 + const ( + white color = iota + black + grey + ) + type object struct { + _ *types.Scope + _ token.Pos + _ *types.Package + _ string + _ types.Type + _ uint32 + color_ color + _ token.Pos + } + type typeName struct { + object + } + + // If the size of types.TypeName changes, this will fail to compile. + const delta = int64(unsafe.Sizeof(typeName{})) - int64(unsafe.Sizeof(types.TypeName{})) + var _ [-delta * delta]int + + markBlack = func(obj *types.TypeName) { + type uP = unsafe.Pointer + var ptr *typeName + *(*uP)(uP(&ptr)) = uP(obj) + ptr.color_ = black + } +} diff --git a/vendor/golang.org/x/tools/internal/gcimporter/newInterface10.go b/vendor/golang.org/x/tools/internal/gcimporter/newInterface10.go deleted file mode 100644 index 8b163e3d..00000000 --- a/vendor/golang.org/x/tools/internal/gcimporter/newInterface10.go +++ /dev/null @@ -1,22 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build !go1.11 -// +build !go1.11 - -package gcimporter - -import "go/types" - -func newInterface(methods []*types.Func, embeddeds []types.Type) *types.Interface { - named := make([]*types.Named, len(embeddeds)) - for i, e := range embeddeds { - var ok bool - named[i], ok = e.(*types.Named) - if !ok { - panic("embedding of non-defined interfaces in interfaces is not supported before Go 1.11") - } - } - return types.NewInterface(methods, named) -} diff --git a/vendor/golang.org/x/tools/internal/gcimporter/newInterface11.go b/vendor/golang.org/x/tools/internal/gcimporter/newInterface11.go deleted file mode 100644 index 49984f40..00000000 --- a/vendor/golang.org/x/tools/internal/gcimporter/newInterface11.go +++ /dev/null @@ -1,14 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build go1.11 -// +build go1.11 - -package gcimporter - -import "go/types" - -func newInterface(methods []*types.Func, embeddeds []types.Type) *types.Interface { - return types.NewInterfaceType(methods, embeddeds) -} diff --git a/vendor/golang.org/x/tools/internal/gcimporter/predeclared.go b/vendor/golang.org/x/tools/internal/gcimporter/predeclared.go new file mode 100644 index 00000000..907c8557 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/gcimporter/predeclared.go @@ -0,0 +1,91 @@ +// Copyright 2024 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package gcimporter + +import ( + "go/types" + "sync" +) + +// predecl is a cache for the predeclared types in types.Universe. +// +// Cache a distinct result based on the runtime value of any. +// The pointer value of the any type varies based on GODEBUG settings. +var predeclMu sync.Mutex +var predecl map[types.Type][]types.Type + +func predeclared() []types.Type { + anyt := types.Universe.Lookup("any").Type() + + predeclMu.Lock() + defer predeclMu.Unlock() + + if pre, ok := predecl[anyt]; ok { + return pre + } + + if predecl == nil { + predecl = make(map[types.Type][]types.Type) + } + + decls := []types.Type{ // basic types + types.Typ[types.Bool], + types.Typ[types.Int], + types.Typ[types.Int8], + types.Typ[types.Int16], + types.Typ[types.Int32], + types.Typ[types.Int64], + types.Typ[types.Uint], + types.Typ[types.Uint8], + types.Typ[types.Uint16], + types.Typ[types.Uint32], + types.Typ[types.Uint64], + types.Typ[types.Uintptr], + types.Typ[types.Float32], + types.Typ[types.Float64], + types.Typ[types.Complex64], + types.Typ[types.Complex128], + types.Typ[types.String], + + // basic type aliases + types.Universe.Lookup("byte").Type(), + types.Universe.Lookup("rune").Type(), + + // error + types.Universe.Lookup("error").Type(), + + // untyped types + types.Typ[types.UntypedBool], + types.Typ[types.UntypedInt], + types.Typ[types.UntypedRune], + types.Typ[types.UntypedFloat], + types.Typ[types.UntypedComplex], + types.Typ[types.UntypedString], + types.Typ[types.UntypedNil], + + // package unsafe + types.Typ[types.UnsafePointer], + + // invalid type + types.Typ[types.Invalid], // only appears in packages with errors + + // used internally by gc; never used by this package or in .a files + anyType{}, + + // comparable + types.Universe.Lookup("comparable").Type(), + + // any + anyt, + } + + predecl[anyt] = decls + return decls +} + +type anyType struct{} + +func (t anyType) Underlying() types.Type { return t } +func (t anyType) String() string { return "any" } diff --git a/vendor/golang.org/x/tools/internal/gcimporter/support_go118.go b/vendor/golang.org/x/tools/internal/gcimporter/support_go118.go deleted file mode 100644 index 0cd3b91b..00000000 --- a/vendor/golang.org/x/tools/internal/gcimporter/support_go118.go +++ /dev/null @@ -1,34 +0,0 @@ -// Copyright 2021 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package gcimporter - -import "go/types" - -const iexportVersion = iexportVersionGenerics - -// additionalPredeclared returns additional predeclared types in go.1.18. -func additionalPredeclared() []types.Type { - return []types.Type{ - // comparable - types.Universe.Lookup("comparable").Type(), - - // any - types.Universe.Lookup("any").Type(), - } -} - -// See cmd/compile/internal/types.SplitVargenSuffix. -func splitVargenSuffix(name string) (base, suffix string) { - i := len(name) - for i > 0 && name[i-1] >= '0' && name[i-1] <= '9' { - i-- - } - const dot = "Β·" - if i >= len(dot) && name[i-len(dot):i] == dot { - i -= len(dot) - return name[:i], name[i:] - } - return name, "" -} diff --git a/vendor/golang.org/x/tools/internal/gcimporter/unified_no.go b/vendor/golang.org/x/tools/internal/gcimporter/unified_no.go deleted file mode 100644 index 38b624ca..00000000 --- a/vendor/golang.org/x/tools/internal/gcimporter/unified_no.go +++ /dev/null @@ -1,10 +0,0 @@ -// Copyright 2022 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build !goexperiment.unified -// +build !goexperiment.unified - -package gcimporter - -const unifiedIR = false diff --git a/vendor/golang.org/x/tools/internal/gcimporter/unified_yes.go b/vendor/golang.org/x/tools/internal/gcimporter/unified_yes.go deleted file mode 100644 index b5118d0b..00000000 --- a/vendor/golang.org/x/tools/internal/gcimporter/unified_yes.go +++ /dev/null @@ -1,10 +0,0 @@ -// Copyright 2022 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build goexperiment.unified -// +build goexperiment.unified - -package gcimporter - -const unifiedIR = true diff --git a/vendor/golang.org/x/tools/internal/gcimporter/ureader_yes.go b/vendor/golang.org/x/tools/internal/gcimporter/ureader_yes.go index 2c077068..1db40861 100644 --- a/vendor/golang.org/x/tools/internal/gcimporter/ureader_yes.go +++ b/vendor/golang.org/x/tools/internal/gcimporter/ureader_yes.go @@ -52,8 +52,7 @@ func (pr *pkgReader) later(fn func()) { // See cmd/compile/internal/noder.derivedInfo. type derivedInfo struct { - idx pkgbits.Index - needed bool + idx pkgbits.Index } // See cmd/compile/internal/noder.typeInfo. @@ -110,13 +109,17 @@ func readUnifiedPackage(fset *token.FileSet, ctxt *types.Context, imports map[st r := pr.newReader(pkgbits.RelocMeta, pkgbits.PublicRootIdx, pkgbits.SyncPublic) pkg := r.pkg() - r.Bool() // has init + if r.Version().Has(pkgbits.HasInit) { + r.Bool() + } for i, n := 0, r.Len(); i < n; i++ { // As if r.obj(), but avoiding the Scope.Lookup call, // to avoid eager loading of imports. r.Sync(pkgbits.SyncObject) - assert(!r.Bool()) + if r.Version().Has(pkgbits.DerivedFuncInstance) { + assert(!r.Bool()) + } r.p.objIdx(r.Reloc(pkgbits.RelocObj)) assert(r.Len() == 0) } @@ -165,7 +168,7 @@ type readerDict struct { // tparams is a slice of the constructed TypeParams for the element. tparams []*types.TypeParam - // devived is a slice of types derived from tparams, which may be + // derived is a slice of types derived from tparams, which may be // instantiated while reading the current element. derived []derivedInfo derivedTypes []types.Type // lazily instantiated from derived @@ -471,7 +474,9 @@ func (r *reader) param() *types.Var { func (r *reader) obj() (types.Object, []types.Type) { r.Sync(pkgbits.SyncObject) - assert(!r.Bool()) + if r.Version().Has(pkgbits.DerivedFuncInstance) { + assert(!r.Bool()) + } pkg, name := r.p.objIdx(r.Reloc(pkgbits.RelocObj)) obj := pkgScope(pkg).Lookup(name) @@ -525,8 +530,12 @@ func (pr *pkgReader) objIdx(idx pkgbits.Index) (*types.Package, string) { case pkgbits.ObjAlias: pos := r.pos() + var tparams []*types.TypeParam + if r.Version().Has(pkgbits.AliasTypeParamNames) { + tparams = r.typeParamNames() + } typ := r.typ() - declare(aliases.NewAlias(r.p.aliases, pos, objPkg, objName, typ)) + declare(aliases.NewAlias(r.p.aliases, pos, objPkg, objName, typ, tparams)) case pkgbits.ObjConst: pos := r.pos() @@ -553,7 +562,7 @@ func (pr *pkgReader) objIdx(idx pkgbits.Index) (*types.Package, string) { // If the underlying type is an interface, we need to // duplicate its methods so we can replace the receiver // parameter's type (#49906). - if iface, ok := aliases.Unalias(underlying).(*types.Interface); ok && iface.NumExplicitMethods() != 0 { + if iface, ok := types.Unalias(underlying).(*types.Interface); ok && iface.NumExplicitMethods() != 0 { methods := make([]*types.Func, iface.NumExplicitMethods()) for i := range methods { fn := iface.ExplicitMethod(i) @@ -632,7 +641,10 @@ func (pr *pkgReader) objDictIdx(idx pkgbits.Index) *readerDict { dict.derived = make([]derivedInfo, r.Len()) dict.derivedTypes = make([]types.Type, len(dict.derived)) for i := range dict.derived { - dict.derived[i] = derivedInfo{r.Reloc(pkgbits.RelocType), r.Bool()} + dict.derived[i] = derivedInfo{idx: r.Reloc(pkgbits.RelocType)} + if r.Version().Has(pkgbits.DerivedInfoNeeded) { + assert(!r.Bool()) + } } pr.retireReader(r) @@ -726,3 +738,17 @@ func pkgScope(pkg *types.Package) *types.Scope { } return types.Universe } + +// See cmd/compile/internal/types.SplitVargenSuffix. +func splitVargenSuffix(name string) (base, suffix string) { + i := len(name) + for i > 0 && name[i-1] >= '0' && name[i-1] <= '9' { + i-- + } + const dot = "Β·" + if i >= len(dot) && name[i-len(dot):i] == dot { + i -= len(dot) + return name[:i], name[i:] + } + return name, "" +} diff --git a/vendor/golang.org/x/tools/internal/gocommand/invoke.go b/vendor/golang.org/x/tools/internal/gocommand/invoke.go index 2e59ff85..e333efc8 100644 --- a/vendor/golang.org/x/tools/internal/gocommand/invoke.go +++ b/vendor/golang.org/x/tools/internal/gocommand/invoke.go @@ -16,7 +16,6 @@ import ( "os" "os/exec" "path/filepath" - "reflect" "regexp" "runtime" "strconv" @@ -250,16 +249,13 @@ func (i *Invocation) run(ctx context.Context, stdout, stderr io.Writer) error { cmd.Stdout = stdout cmd.Stderr = stderr - // cmd.WaitDelay was added only in go1.20 (see #50436). - if waitDelay := reflect.ValueOf(cmd).Elem().FieldByName("WaitDelay"); waitDelay.IsValid() { - // https://go.dev/issue/59541: don't wait forever copying stderr - // after the command has exited. - // After CL 484741 we copy stdout manually, so we we'll stop reading that as - // soon as ctx is done. However, we also don't want to wait around forever - // for stderr. Give a much-longer-than-reasonable delay and then assume that - // something has wedged in the kernel or runtime. - waitDelay.Set(reflect.ValueOf(30 * time.Second)) - } + // https://go.dev/issue/59541: don't wait forever copying stderr + // after the command has exited. + // After CL 484741 we copy stdout manually, so we we'll stop reading that as + // soon as ctx is done. However, we also don't want to wait around forever + // for stderr. Give a much-longer-than-reasonable delay and then assume that + // something has wedged in the kernel or runtime. + cmd.WaitDelay = 30 * time.Second // The cwd gets resolved to the real path. On Darwin, where // /tmp is a symlink, this breaks anything that expects the diff --git a/vendor/golang.org/x/tools/internal/packagesinternal/packages.go b/vendor/golang.org/x/tools/internal/packagesinternal/packages.go index 44719de1..66e69b43 100644 --- a/vendor/golang.org/x/tools/internal/packagesinternal/packages.go +++ b/vendor/golang.org/x/tools/internal/packagesinternal/packages.go @@ -5,7 +5,6 @@ // Package packagesinternal exposes internal-only fields from go/packages. package packagesinternal -var GetForTest = func(p interface{}) string { return "" } var GetDepsErrors = func(p interface{}) []*PackageError { return nil } type PackageError struct { @@ -16,7 +15,6 @@ type PackageError struct { var TypecheckCgo int var DepsErrors int // must be set as a LoadMode to call GetDepsErrors -var ForTest int // must be set as a LoadMode to call GetForTest var SetModFlag = func(config interface{}, value string) {} var SetModFile = func(config interface{}, value string) {} diff --git a/vendor/golang.org/x/tools/internal/pkgbits/decoder.go b/vendor/golang.org/x/tools/internal/pkgbits/decoder.go index b92e8e6e..f6cb37c5 100644 --- a/vendor/golang.org/x/tools/internal/pkgbits/decoder.go +++ b/vendor/golang.org/x/tools/internal/pkgbits/decoder.go @@ -21,7 +21,7 @@ import ( // export data. type PkgDecoder struct { // version is the file format version. - version uint32 + version Version // sync indicates whether the file uses sync markers. sync bool @@ -68,8 +68,6 @@ func (pr *PkgDecoder) SyncMarkers() bool { return pr.sync } // NewPkgDecoder returns a PkgDecoder initialized to read the Unified // IR export data from input. pkgPath is the package path for the // compilation unit that produced the export data. -// -// TODO(mdempsky): Remove pkgPath parameter; unneeded since CL 391014. func NewPkgDecoder(pkgPath, input string) PkgDecoder { pr := PkgDecoder{ pkgPath: pkgPath, @@ -80,14 +78,15 @@ func NewPkgDecoder(pkgPath, input string) PkgDecoder { r := strings.NewReader(input) - assert(binary.Read(r, binary.LittleEndian, &pr.version) == nil) + var ver uint32 + assert(binary.Read(r, binary.LittleEndian, &ver) == nil) + pr.version = Version(ver) - switch pr.version { - default: - panic(fmt.Errorf("unsupported version: %v", pr.version)) - case 0: - // no flags - case 1: + if pr.version >= numVersions { + panic(fmt.Errorf("cannot decode %q, export data version %d is greater than maximum supported version %d", pkgPath, pr.version, numVersions-1)) + } + + if pr.version.Has(Flags) { var flags uint32 assert(binary.Read(r, binary.LittleEndian, &flags) == nil) pr.sync = flags&flagSyncMarkers != 0 @@ -102,7 +101,9 @@ func NewPkgDecoder(pkgPath, input string) PkgDecoder { assert(err == nil) pr.elemData = input[pos:] - assert(len(pr.elemData)-8 == int(pr.elemEnds[len(pr.elemEnds)-1])) + + const fingerprintSize = 8 + assert(len(pr.elemData)-fingerprintSize == int(pr.elemEnds[len(pr.elemEnds)-1])) return pr } @@ -136,7 +137,7 @@ func (pr *PkgDecoder) AbsIdx(k RelocKind, idx Index) int { absIdx += int(pr.elemEndsEnds[k-1]) } if absIdx >= int(pr.elemEndsEnds[k]) { - errorf("%v:%v is out of bounds; %v", k, idx, pr.elemEndsEnds) + panicf("%v:%v is out of bounds; %v", k, idx, pr.elemEndsEnds) } return absIdx } @@ -193,9 +194,7 @@ func (pr *PkgDecoder) NewDecoderRaw(k RelocKind, idx Index) Decoder { Idx: idx, } - // TODO(mdempsky) r.data.Reset(...) after #44505 is resolved. - r.Data = *strings.NewReader(pr.DataIdx(k, idx)) - + r.Data.Reset(pr.DataIdx(k, idx)) r.Sync(SyncRelocs) r.Relocs = make([]RelocEnt, r.Len()) for i := range r.Relocs { @@ -244,7 +243,7 @@ type Decoder struct { func (r *Decoder) checkErr(err error) { if err != nil { - errorf("unexpected decoding error: %w", err) + panicf("unexpected decoding error: %w", err) } } @@ -515,3 +514,6 @@ func (pr *PkgDecoder) PeekObj(idx Index) (string, string, CodeObj) { return path, name, tag } + +// Version reports the version of the bitstream. +func (w *Decoder) Version() Version { return w.common.version } diff --git a/vendor/golang.org/x/tools/internal/pkgbits/encoder.go b/vendor/golang.org/x/tools/internal/pkgbits/encoder.go index 6482617a..c17a1239 100644 --- a/vendor/golang.org/x/tools/internal/pkgbits/encoder.go +++ b/vendor/golang.org/x/tools/internal/pkgbits/encoder.go @@ -12,18 +12,15 @@ import ( "io" "math/big" "runtime" + "strings" ) -// currentVersion is the current version number. -// -// - v0: initial prototype -// -// - v1: adds the flags uint32 word -const currentVersion uint32 = 1 - // A PkgEncoder provides methods for encoding a package's Unified IR // export data. type PkgEncoder struct { + // version of the bitstream. + version Version + // elems holds the bitstream for previously encoded elements. elems [numRelocs][]string @@ -47,8 +44,9 @@ func (pw *PkgEncoder) SyncMarkers() bool { return pw.syncFrames >= 0 } // export data files, but can help diagnosing desync errors in // higher-level Unified IR reader/writer code. If syncFrames is // negative, then sync markers are omitted entirely. -func NewPkgEncoder(syncFrames int) PkgEncoder { +func NewPkgEncoder(version Version, syncFrames int) PkgEncoder { return PkgEncoder{ + version: version, stringsIdx: make(map[string]Index), syncFrames: syncFrames, } @@ -64,13 +62,15 @@ func (pw *PkgEncoder) DumpTo(out0 io.Writer) (fingerprint [8]byte) { assert(binary.Write(out, binary.LittleEndian, x) == nil) } - writeUint32(currentVersion) + writeUint32(uint32(pw.version)) - var flags uint32 - if pw.SyncMarkers() { - flags |= flagSyncMarkers + if pw.version.Has(Flags) { + var flags uint32 + if pw.SyncMarkers() { + flags |= flagSyncMarkers + } + writeUint32(flags) } - writeUint32(flags) // Write elemEndsEnds. var sum uint32 @@ -159,7 +159,7 @@ type Encoder struct { // Flush finalizes the element's bitstream and returns its Index. func (w *Encoder) Flush() Index { - var sb bytes.Buffer // TODO(mdempsky): strings.Builder after #44505 is resolved + var sb strings.Builder // Backup the data so we write the relocations at the front. var tmp bytes.Buffer @@ -189,7 +189,7 @@ func (w *Encoder) Flush() Index { func (w *Encoder) checkErr(err error) { if err != nil { - errorf("unexpected encoding error: %v", err) + panicf("unexpected encoding error: %v", err) } } @@ -320,8 +320,14 @@ func (w *Encoder) Code(c Code) { // section (if not already present), and then writing a relocation // into the element bitstream. func (w *Encoder) String(s string) { + w.StringRef(w.p.StringIdx(s)) +} + +// StringRef writes a reference to the given index, which must be a +// previously encoded string value. +func (w *Encoder) StringRef(idx Index) { w.Sync(SyncString) - w.Reloc(RelocString, w.p.StringIdx(s)) + w.Reloc(RelocString, idx) } // Strings encodes and writes a variable-length slice of strings into @@ -348,7 +354,7 @@ func (w *Encoder) Value(val constant.Value) { func (w *Encoder) scalar(val constant.Value) { switch v := constant.Val(val).(type) { default: - errorf("unhandled %v (%v)", val, val.Kind()) + panicf("unhandled %v (%v)", val, val.Kind()) case bool: w.Code(ValBool) w.Bool(v) @@ -381,3 +387,6 @@ func (w *Encoder) bigFloat(v *big.Float) { b := v.Append(nil, 'p', -1) w.String(string(b)) // TODO: More efficient encoding. } + +// Version reports the version of the bitstream. +func (w *Encoder) Version() Version { return w.p.version } diff --git a/vendor/golang.org/x/tools/internal/pkgbits/frames_go1.go b/vendor/golang.org/x/tools/internal/pkgbits/frames_go1.go deleted file mode 100644 index 5294f6a6..00000000 --- a/vendor/golang.org/x/tools/internal/pkgbits/frames_go1.go +++ /dev/null @@ -1,21 +0,0 @@ -// Copyright 2021 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build !go1.7 -// +build !go1.7 - -// TODO(mdempsky): Remove after #44505 is resolved - -package pkgbits - -import "runtime" - -func walkFrames(pcs []uintptr, visit frameVisitor) { - for _, pc := range pcs { - fn := runtime.FuncForPC(pc) - file, line := fn.FileLine(pc) - - visit(file, line, fn.Name(), pc-fn.Entry()) - } -} diff --git a/vendor/golang.org/x/tools/internal/pkgbits/frames_go17.go b/vendor/golang.org/x/tools/internal/pkgbits/frames_go17.go deleted file mode 100644 index 2324ae7a..00000000 --- a/vendor/golang.org/x/tools/internal/pkgbits/frames_go17.go +++ /dev/null @@ -1,28 +0,0 @@ -// Copyright 2021 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build go1.7 -// +build go1.7 - -package pkgbits - -import "runtime" - -// walkFrames calls visit for each call frame represented by pcs. -// -// pcs should be a slice of PCs, as returned by runtime.Callers. -func walkFrames(pcs []uintptr, visit frameVisitor) { - if len(pcs) == 0 { - return - } - - frames := runtime.CallersFrames(pcs) - for { - frame, more := frames.Next() - visit(frame.File, frame.Line, frame.Function, frame.PC-frame.Entry) - if !more { - return - } - } -} diff --git a/vendor/golang.org/x/tools/internal/pkgbits/support.go b/vendor/golang.org/x/tools/internal/pkgbits/support.go index ad26d3b2..50534a29 100644 --- a/vendor/golang.org/x/tools/internal/pkgbits/support.go +++ b/vendor/golang.org/x/tools/internal/pkgbits/support.go @@ -12,6 +12,6 @@ func assert(b bool) { } } -func errorf(format string, args ...interface{}) { +func panicf(format string, args ...any) { panic(fmt.Errorf(format, args...)) } diff --git a/vendor/golang.org/x/tools/internal/pkgbits/sync.go b/vendor/golang.org/x/tools/internal/pkgbits/sync.go index 5bd51ef7..1520b73a 100644 --- a/vendor/golang.org/x/tools/internal/pkgbits/sync.go +++ b/vendor/golang.org/x/tools/internal/pkgbits/sync.go @@ -6,6 +6,7 @@ package pkgbits import ( "fmt" + "runtime" "strings" ) @@ -23,6 +24,24 @@ func fmtFrames(pcs ...uintptr) []string { type frameVisitor func(file string, line int, name string, offset uintptr) +// walkFrames calls visit for each call frame represented by pcs. +// +// pcs should be a slice of PCs, as returned by runtime.Callers. +func walkFrames(pcs []uintptr, visit frameVisitor) { + if len(pcs) == 0 { + return + } + + frames := runtime.CallersFrames(pcs) + for { + frame, more := frames.Next() + visit(frame.File, frame.Line, frame.Function, frame.PC-frame.Entry) + if !more { + return + } + } +} + // SyncMarker is an enum type that represents markers that may be // written to export data to ensure the reader and writer stay // synchronized. @@ -110,4 +129,8 @@ const ( SyncStmtsEnd SyncLabel SyncOptLabel + + SyncMultiExpr + SyncRType + SyncConvRTTI ) diff --git a/vendor/golang.org/x/tools/internal/pkgbits/syncmarker_string.go b/vendor/golang.org/x/tools/internal/pkgbits/syncmarker_string.go index 4a5b0ca5..582ad56d 100644 --- a/vendor/golang.org/x/tools/internal/pkgbits/syncmarker_string.go +++ b/vendor/golang.org/x/tools/internal/pkgbits/syncmarker_string.go @@ -74,11 +74,14 @@ func _() { _ = x[SyncStmtsEnd-64] _ = x[SyncLabel-65] _ = x[SyncOptLabel-66] + _ = x[SyncMultiExpr-67] + _ = x[SyncRType-68] + _ = x[SyncConvRTTI-69] } -const _SyncMarker_name = "EOFBoolInt64Uint64StringValueValRelocsRelocUseRelocPublicPosPosBaseObjectObject1PkgPkgDefMethodTypeTypeIdxTypeParamNamesSignatureParamsParamCodeObjSymLocalIdentSelectorPrivateFuncExtVarExtTypeExtPragmaExprListExprsExprExprTypeAssignOpFuncLitCompLitDeclFuncBodyOpenScopeCloseScopeCloseAnotherScopeDeclNamesDeclNameStmtsBlockStmtIfStmtForStmtSwitchStmtRangeStmtCaseClauseCommClauseSelectStmtDeclsLabeledStmtUseObjLocalAddLocalLinknameStmt1StmtsEndLabelOptLabel" +const _SyncMarker_name = "EOFBoolInt64Uint64StringValueValRelocsRelocUseRelocPublicPosPosBaseObjectObject1PkgPkgDefMethodTypeTypeIdxTypeParamNamesSignatureParamsParamCodeObjSymLocalIdentSelectorPrivateFuncExtVarExtTypeExtPragmaExprListExprsExprExprTypeAssignOpFuncLitCompLitDeclFuncBodyOpenScopeCloseScopeCloseAnotherScopeDeclNamesDeclNameStmtsBlockStmtIfStmtForStmtSwitchStmtRangeStmtCaseClauseCommClauseSelectStmtDeclsLabeledStmtUseObjLocalAddLocalLinknameStmt1StmtsEndLabelOptLabelMultiExprRTypeConvRTTI" -var _SyncMarker_index = [...]uint16{0, 3, 7, 12, 18, 24, 29, 32, 38, 43, 51, 57, 60, 67, 73, 80, 83, 89, 95, 99, 106, 120, 129, 135, 140, 147, 150, 160, 168, 175, 182, 188, 195, 201, 209, 214, 218, 226, 232, 234, 241, 248, 252, 260, 269, 279, 296, 305, 313, 318, 327, 333, 340, 350, 359, 369, 379, 389, 394, 405, 416, 424, 432, 437, 445, 450, 458} +var _SyncMarker_index = [...]uint16{0, 3, 7, 12, 18, 24, 29, 32, 38, 43, 51, 57, 60, 67, 73, 80, 83, 89, 95, 99, 106, 120, 129, 135, 140, 147, 150, 160, 168, 175, 182, 188, 195, 201, 209, 214, 218, 226, 232, 234, 241, 248, 252, 260, 269, 279, 296, 305, 313, 318, 327, 333, 340, 350, 359, 369, 379, 389, 394, 405, 416, 424, 432, 437, 445, 450, 458, 467, 472, 480} func (i SyncMarker) String() string { i -= 1 diff --git a/vendor/golang.org/x/tools/internal/pkgbits/version.go b/vendor/golang.org/x/tools/internal/pkgbits/version.go new file mode 100644 index 00000000..53af9df2 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/pkgbits/version.go @@ -0,0 +1,85 @@ +// Copyright 2024 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package pkgbits + +// Version indicates a version of a unified IR bitstream. +// Each Version indicates the addition, removal, or change of +// new data in the bitstream. +// +// These are serialized to disk and the interpretation remains fixed. +type Version uint32 + +const ( + // V0: initial prototype. + // + // All data that is not assigned a Field is in version V0 + // and has not been deprecated. + V0 Version = iota + + // V1: adds the Flags uint32 word + V1 + + // V2: removes unused legacy fields and supports type parameters for aliases. + // - remove the legacy "has init" bool from the public root + // - remove obj's "derived func instance" bool + // - add a TypeParamNames field to ObjAlias + // - remove derived info "needed" bool + V2 + + numVersions = iota +) + +// Field denotes a unit of data in the serialized unified IR bitstream. +// It is conceptually a like field in a structure. +// +// We only really need Fields when the data may or may not be present +// in a stream based on the Version of the bitstream. +// +// Unlike much of pkgbits, Fields are not serialized and +// can change values as needed. +type Field int + +const ( + // Flags in a uint32 in the header of a bitstream + // that is used to indicate whether optional features are enabled. + Flags Field = iota + + // Deprecated: HasInit was a bool indicating whether a package + // has any init functions. + HasInit + + // Deprecated: DerivedFuncInstance was a bool indicating + // whether an object was a function instance. + DerivedFuncInstance + + // ObjAlias has a list of TypeParamNames. + AliasTypeParamNames + + // Deprecated: DerivedInfoNeeded was a bool indicating + // whether a type was a derived type. + DerivedInfoNeeded + + numFields = iota +) + +// introduced is the version a field was added. +var introduced = [numFields]Version{ + Flags: V1, + AliasTypeParamNames: V2, +} + +// removed is the version a field was removed in or 0 for fields +// that have not yet been deprecated. +// (So removed[f]-1 is the last version it is included in.) +var removed = [numFields]Version{ + HasInit: V2, + DerivedFuncInstance: V2, + DerivedInfoNeeded: V2, +} + +// Has reports whether field f is present in a bitstream at version v. +func (v Version) Has(f Field) bool { + return introduced[f] <= v && (v < removed[f] || removed[f] == V0) +} diff --git a/vendor/golang.org/x/tools/internal/stdlib/manifest.go b/vendor/golang.org/x/tools/internal/stdlib/manifest.go index a928acf2..cdaac9ab 100644 --- a/vendor/golang.org/x/tools/internal/stdlib/manifest.go +++ b/vendor/golang.org/x/tools/internal/stdlib/manifest.go @@ -951,7 +951,7 @@ var PackageSymbols = map[string][]Symbol{ {"ParseSessionState", Func, 21}, {"QUICClient", Func, 21}, {"QUICConfig", Type, 21}, - {"QUICConfig.EnableStoreSessionEvent", Field, 23}, + {"QUICConfig.EnableSessionEvents", Field, 23}, {"QUICConfig.TLSConfig", Field, 21}, {"QUICConn", Type, 21}, {"QUICEncryptionLevel", Type, 21}, diff --git a/vendor/golang.org/x/tools/internal/tokeninternal/tokeninternal.go b/vendor/golang.org/x/tools/internal/tokeninternal/tokeninternal.go deleted file mode 100644 index ff9437a3..00000000 --- a/vendor/golang.org/x/tools/internal/tokeninternal/tokeninternal.go +++ /dev/null @@ -1,137 +0,0 @@ -// Copyright 2023 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// package tokeninternal provides access to some internal features of the token -// package. -package tokeninternal - -import ( - "fmt" - "go/token" - "sort" - "sync" - "unsafe" -) - -// GetLines returns the table of line-start offsets from a token.File. -func GetLines(file *token.File) []int { - // token.File has a Lines method on Go 1.21 and later. - if file, ok := (interface{})(file).(interface{ Lines() []int }); ok { - return file.Lines() - } - - // This declaration must match that of token.File. - // This creates a risk of dependency skew. - // For now we check that the size of the two - // declarations is the same, on the (fragile) assumption - // that future changes would add fields. - type tokenFile119 struct { - _ string - _ int - _ int - mu sync.Mutex // we're not complete monsters - lines []int - _ []struct{} - } - - if unsafe.Sizeof(*file) != unsafe.Sizeof(tokenFile119{}) { - panic("unexpected token.File size") - } - var ptr *tokenFile119 - type uP = unsafe.Pointer - *(*uP)(uP(&ptr)) = uP(file) - ptr.mu.Lock() - defer ptr.mu.Unlock() - return ptr.lines -} - -// AddExistingFiles adds the specified files to the FileSet if they -// are not already present. It panics if any pair of files in the -// resulting FileSet would overlap. -func AddExistingFiles(fset *token.FileSet, files []*token.File) { - // Punch through the FileSet encapsulation. - type tokenFileSet struct { - // This type remained essentially consistent from go1.16 to go1.21. - mutex sync.RWMutex - base int - files []*token.File - _ *token.File // changed to atomic.Pointer[token.File] in go1.19 - } - - // If the size of token.FileSet changes, this will fail to compile. - const delta = int64(unsafe.Sizeof(tokenFileSet{})) - int64(unsafe.Sizeof(token.FileSet{})) - var _ [-delta * delta]int - - type uP = unsafe.Pointer - var ptr *tokenFileSet - *(*uP)(uP(&ptr)) = uP(fset) - ptr.mutex.Lock() - defer ptr.mutex.Unlock() - - // Merge and sort. - newFiles := append(ptr.files, files...) - sort.Slice(newFiles, func(i, j int) bool { - return newFiles[i].Base() < newFiles[j].Base() - }) - - // Reject overlapping files. - // Discard adjacent identical files. - out := newFiles[:0] - for i, file := range newFiles { - if i > 0 { - prev := newFiles[i-1] - if file == prev { - continue - } - if prev.Base()+prev.Size()+1 > file.Base() { - panic(fmt.Sprintf("file %s (%d-%d) overlaps with file %s (%d-%d)", - prev.Name(), prev.Base(), prev.Base()+prev.Size(), - file.Name(), file.Base(), file.Base()+file.Size())) - } - } - out = append(out, file) - } - newFiles = out - - ptr.files = newFiles - - // Advance FileSet.Base(). - if len(newFiles) > 0 { - last := newFiles[len(newFiles)-1] - newBase := last.Base() + last.Size() + 1 - if ptr.base < newBase { - ptr.base = newBase - } - } -} - -// FileSetFor returns a new FileSet containing a sequence of new Files with -// the same base, size, and line as the input files, for use in APIs that -// require a FileSet. -// -// Precondition: the input files must be non-overlapping, and sorted in order -// of their Base. -func FileSetFor(files ...*token.File) *token.FileSet { - fset := token.NewFileSet() - for _, f := range files { - f2 := fset.AddFile(f.Name(), f.Base(), f.Size()) - lines := GetLines(f) - f2.SetLines(lines) - } - return fset -} - -// CloneFileSet creates a new FileSet holding all files in fset. It does not -// create copies of the token.Files in fset: they are added to the resulting -// FileSet unmodified. -func CloneFileSet(fset *token.FileSet) *token.FileSet { - var files []*token.File - fset.Iterate(func(f *token.File) bool { - files = append(files, f) - return true - }) - newFileSet := token.NewFileSet() - AddExistingFiles(newFileSet, files) - return newFileSet -} diff --git a/vendor/golang.org/x/tools/internal/typeparams/common.go b/vendor/golang.org/x/tools/internal/typeparams/common.go new file mode 100644 index 00000000..0b84acc5 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/typeparams/common.go @@ -0,0 +1,140 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package typeparams contains common utilities for writing tools that +// interact with generic Go code, as introduced with Go 1.18. It +// supplements the standard library APIs. Notably, the StructuralTerms +// API computes a minimal representation of the structural +// restrictions on a type parameter. +// +// An external version of these APIs is available in the +// golang.org/x/exp/typeparams module. +package typeparams + +import ( + "go/ast" + "go/token" + "go/types" +) + +// UnpackIndexExpr extracts data from AST nodes that represent index +// expressions. +// +// For an ast.IndexExpr, the resulting indices slice will contain exactly one +// index expression. For an ast.IndexListExpr (go1.18+), it may have a variable +// number of index expressions. +// +// For nodes that don't represent index expressions, the first return value of +// UnpackIndexExpr will be nil. +func UnpackIndexExpr(n ast.Node) (x ast.Expr, lbrack token.Pos, indices []ast.Expr, rbrack token.Pos) { + switch e := n.(type) { + case *ast.IndexExpr: + return e.X, e.Lbrack, []ast.Expr{e.Index}, e.Rbrack + case *ast.IndexListExpr: + return e.X, e.Lbrack, e.Indices, e.Rbrack + } + return nil, token.NoPos, nil, token.NoPos +} + +// PackIndexExpr returns an *ast.IndexExpr or *ast.IndexListExpr, depending on +// the cardinality of indices. Calling PackIndexExpr with len(indices) == 0 +// will panic. +func PackIndexExpr(x ast.Expr, lbrack token.Pos, indices []ast.Expr, rbrack token.Pos) ast.Expr { + switch len(indices) { + case 0: + panic("empty indices") + case 1: + return &ast.IndexExpr{ + X: x, + Lbrack: lbrack, + Index: indices[0], + Rbrack: rbrack, + } + default: + return &ast.IndexListExpr{ + X: x, + Lbrack: lbrack, + Indices: indices, + Rbrack: rbrack, + } + } +} + +// IsTypeParam reports whether t is a type parameter (or an alias of one). +func IsTypeParam(t types.Type) bool { + _, ok := types.Unalias(t).(*types.TypeParam) + return ok +} + +// GenericAssignableTo is a generalization of types.AssignableTo that +// implements the following rule for uninstantiated generic types: +// +// If V and T are generic named types, then V is considered assignable to T if, +// for every possible instantiation of V[A_1, ..., A_N], the instantiation +// T[A_1, ..., A_N] is valid and V[A_1, ..., A_N] implements T[A_1, ..., A_N]. +// +// If T has structural constraints, they must be satisfied by V. +// +// For example, consider the following type declarations: +// +// type Interface[T any] interface { +// Accept(T) +// } +// +// type Container[T any] struct { +// Element T +// } +// +// func (c Container[T]) Accept(t T) { c.Element = t } +// +// In this case, GenericAssignableTo reports that instantiations of Container +// are assignable to the corresponding instantiation of Interface. +func GenericAssignableTo(ctxt *types.Context, V, T types.Type) bool { + V = types.Unalias(V) + T = types.Unalias(T) + + // If V and T are not both named, or do not have matching non-empty type + // parameter lists, fall back on types.AssignableTo. + + VN, Vnamed := V.(*types.Named) + TN, Tnamed := T.(*types.Named) + if !Vnamed || !Tnamed { + return types.AssignableTo(V, T) + } + + vtparams := VN.TypeParams() + ttparams := TN.TypeParams() + if vtparams.Len() == 0 || vtparams.Len() != ttparams.Len() || VN.TypeArgs().Len() != 0 || TN.TypeArgs().Len() != 0 { + return types.AssignableTo(V, T) + } + + // V and T have the same (non-zero) number of type params. Instantiate both + // with the type parameters of V. This must always succeed for V, and will + // succeed for T if and only if the type set of each type parameter of V is a + // subset of the type set of the corresponding type parameter of T, meaning + // that every instantiation of V corresponds to a valid instantiation of T. + + // Minor optimization: ensure we share a context across the two + // instantiations below. + if ctxt == nil { + ctxt = types.NewContext() + } + + var targs []types.Type + for i := 0; i < vtparams.Len(); i++ { + targs = append(targs, vtparams.At(i)) + } + + vinst, err := types.Instantiate(ctxt, V, targs, true) + if err != nil { + panic("type parameters should satisfy their own constraints") + } + + tinst, err := types.Instantiate(ctxt, T, targs, true) + if err != nil { + return false + } + + return types.AssignableTo(vinst, tinst) +} diff --git a/vendor/golang.org/x/tools/internal/typeparams/coretype.go b/vendor/golang.org/x/tools/internal/typeparams/coretype.go new file mode 100644 index 00000000..6e83c6fb --- /dev/null +++ b/vendor/golang.org/x/tools/internal/typeparams/coretype.go @@ -0,0 +1,150 @@ +// Copyright 2022 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package typeparams + +import ( + "fmt" + "go/types" +) + +// CoreType returns the core type of T or nil if T does not have a core type. +// +// See https://go.dev/ref/spec#Core_types for the definition of a core type. +func CoreType(T types.Type) types.Type { + U := T.Underlying() + if _, ok := U.(*types.Interface); !ok { + return U // for non-interface types, + } + + terms, err := NormalTerms(U) + if len(terms) == 0 || err != nil { + // len(terms) -> empty type set of interface. + // err != nil => U is invalid, exceeds complexity bounds, or has an empty type set. + return nil // no core type. + } + + U = terms[0].Type().Underlying() + var identical int // i in [0,identical) => Identical(U, terms[i].Type().Underlying()) + for identical = 1; identical < len(terms); identical++ { + if !types.Identical(U, terms[identical].Type().Underlying()) { + break + } + } + + if identical == len(terms) { + // https://go.dev/ref/spec#Core_types + // "There is a single type U which is the underlying type of all types in the type set of T" + return U + } + ch, ok := U.(*types.Chan) + if !ok { + return nil // no core type as identical < len(terms) and U is not a channel. + } + // https://go.dev/ref/spec#Core_types + // "the type chan E if T contains only bidirectional channels, or the type chan<- E or + // <-chan E depending on the direction of the directional channels present." + for chans := identical; chans < len(terms); chans++ { + curr, ok := terms[chans].Type().Underlying().(*types.Chan) + if !ok { + return nil + } + if !types.Identical(ch.Elem(), curr.Elem()) { + return nil // channel elements are not identical. + } + if ch.Dir() == types.SendRecv { + // ch is bidirectional. We can safely always use curr's direction. + ch = curr + } else if curr.Dir() != types.SendRecv && ch.Dir() != curr.Dir() { + // ch and curr are not bidirectional and not the same direction. + return nil + } + } + return ch +} + +// NormalTerms returns a slice of terms representing the normalized structural +// type restrictions of a type, if any. +// +// For all types other than *types.TypeParam, *types.Interface, and +// *types.Union, this is just a single term with Tilde() == false and +// Type() == typ. For *types.TypeParam, *types.Interface, and *types.Union, see +// below. +// +// Structural type restrictions of a type parameter are created via +// non-interface types embedded in its constraint interface (directly, or via a +// chain of interface embeddings). For example, in the declaration type +// T[P interface{~int; m()}] int the structural restriction of the type +// parameter P is ~int. +// +// With interface embedding and unions, the specification of structural type +// restrictions may be arbitrarily complex. For example, consider the +// following: +// +// type A interface{ ~string|~[]byte } +// +// type B interface{ int|string } +// +// type C interface { ~string|~int } +// +// type T[P interface{ A|B; C }] int +// +// In this example, the structural type restriction of P is ~string|int: A|B +// expands to ~string|~[]byte|int|string, which reduces to ~string|~[]byte|int, +// which when intersected with C (~string|~int) yields ~string|int. +// +// NormalTerms computes these expansions and reductions, producing a +// "normalized" form of the embeddings. A structural restriction is normalized +// if it is a single union containing no interface terms, and is minimal in the +// sense that removing any term changes the set of types satisfying the +// constraint. It is left as a proof for the reader that, modulo sorting, there +// is exactly one such normalized form. +// +// Because the minimal representation always takes this form, NormalTerms +// returns a slice of tilde terms corresponding to the terms of the union in +// the normalized structural restriction. An error is returned if the type is +// invalid, exceeds complexity bounds, or has an empty type set. In the latter +// case, NormalTerms returns ErrEmptyTypeSet. +// +// NormalTerms makes no guarantees about the order of terms, except that it +// is deterministic. +func NormalTerms(typ types.Type) ([]*types.Term, error) { + switch typ := typ.Underlying().(type) { + case *types.TypeParam: + return StructuralTerms(typ) + case *types.Union: + return UnionTermSet(typ) + case *types.Interface: + return InterfaceTermSet(typ) + default: + return []*types.Term{types.NewTerm(false, typ)}, nil + } +} + +// Deref returns the type of the variable pointed to by t, +// if t's core type is a pointer; otherwise it returns t. +// +// Do not assume that Deref(T)==T implies T is not a pointer: +// consider "type T *T", for example. +// +// TODO(adonovan): ideally this would live in typesinternal, but that +// creates an import cycle. Move there when we melt this package down. +func Deref(t types.Type) types.Type { + if ptr, ok := CoreType(t).(*types.Pointer); ok { + return ptr.Elem() + } + return t +} + +// MustDeref returns the type of the variable pointed to by t. +// It panics if t's core type is not a pointer. +// +// TODO(adonovan): ideally this would live in typesinternal, but that +// creates an import cycle. Move there when we melt this package down. +func MustDeref(t types.Type) types.Type { + if ptr, ok := CoreType(t).(*types.Pointer); ok { + return ptr.Elem() + } + panic(fmt.Sprintf("%v is not a pointer", t)) +} diff --git a/vendor/golang.org/x/tools/internal/typeparams/free.go b/vendor/golang.org/x/tools/internal/typeparams/free.go new file mode 100644 index 00000000..0ade5c29 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/typeparams/free.go @@ -0,0 +1,131 @@ +// Copyright 2024 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package typeparams + +import ( + "go/types" + + "golang.org/x/tools/internal/aliases" +) + +// Free is a memoization of the set of free type parameters within a +// type. It makes a sequence of calls to [Free.Has] for overlapping +// types more efficient. The zero value is ready for use. +// +// NOTE: Adapted from go/types/infer.go. If it is later exported, factor. +type Free struct { + seen map[types.Type]bool +} + +// Has reports whether the specified type has a free type parameter. +func (w *Free) Has(typ types.Type) (res bool) { + // detect cycles + if x, ok := w.seen[typ]; ok { + return x + } + if w.seen == nil { + w.seen = make(map[types.Type]bool) + } + w.seen[typ] = false + defer func() { + w.seen[typ] = res + }() + + switch t := typ.(type) { + case nil, *types.Basic: // TODO(gri) should nil be handled here? + break + + case *types.Alias: + if aliases.TypeParams(t).Len() > aliases.TypeArgs(t).Len() { + return true // This is an uninstantiated Alias. + } + // The expansion of an alias can have free type parameters, + // whether or not the alias itself has type parameters: + // + // func _[K comparable]() { + // type Set = map[K]bool // free(Set) = {K} + // type MapTo[V] = map[K]V // free(Map[foo]) = {V} + // } + // + // So, we must Unalias. + return w.Has(types.Unalias(t)) + + case *types.Array: + return w.Has(t.Elem()) + + case *types.Slice: + return w.Has(t.Elem()) + + case *types.Struct: + for i, n := 0, t.NumFields(); i < n; i++ { + if w.Has(t.Field(i).Type()) { + return true + } + } + + case *types.Pointer: + return w.Has(t.Elem()) + + case *types.Tuple: + n := t.Len() + for i := 0; i < n; i++ { + if w.Has(t.At(i).Type()) { + return true + } + } + + case *types.Signature: + // t.tparams may not be nil if we are looking at a signature + // of a generic function type (or an interface method) that is + // part of the type we're testing. We don't care about these type + // parameters. + // Similarly, the receiver of a method may declare (rather than + // use) type parameters, we don't care about those either. + // Thus, we only need to look at the input and result parameters. + return w.Has(t.Params()) || w.Has(t.Results()) + + case *types.Interface: + for i, n := 0, t.NumMethods(); i < n; i++ { + if w.Has(t.Method(i).Type()) { + return true + } + } + terms, err := InterfaceTermSet(t) + if err != nil { + return false // ill typed + } + for _, term := range terms { + if w.Has(term.Type()) { + return true + } + } + + case *types.Map: + return w.Has(t.Key()) || w.Has(t.Elem()) + + case *types.Chan: + return w.Has(t.Elem()) + + case *types.Named: + args := t.TypeArgs() + if params := t.TypeParams(); params.Len() > args.Len() { + return true // this is an uninstantiated named type. + } + for i, n := 0, args.Len(); i < n; i++ { + if w.Has(args.At(i)) { + return true + } + } + return w.Has(t.Underlying()) // recurse for types local to parameterized functions + + case *types.TypeParam: + return true + + default: + panic(t) // unreachable + } + + return false +} diff --git a/vendor/golang.org/x/tools/internal/typeparams/normalize.go b/vendor/golang.org/x/tools/internal/typeparams/normalize.go new file mode 100644 index 00000000..93c80fdc --- /dev/null +++ b/vendor/golang.org/x/tools/internal/typeparams/normalize.go @@ -0,0 +1,218 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package typeparams + +import ( + "errors" + "fmt" + "go/types" + "os" + "strings" +) + +//go:generate go run copytermlist.go + +const debug = false + +var ErrEmptyTypeSet = errors.New("empty type set") + +// StructuralTerms returns a slice of terms representing the normalized +// structural type restrictions of a type parameter, if any. +// +// Structural type restrictions of a type parameter are created via +// non-interface types embedded in its constraint interface (directly, or via a +// chain of interface embeddings). For example, in the declaration +// +// type T[P interface{~int; m()}] int +// +// the structural restriction of the type parameter P is ~int. +// +// With interface embedding and unions, the specification of structural type +// restrictions may be arbitrarily complex. For example, consider the +// following: +// +// type A interface{ ~string|~[]byte } +// +// type B interface{ int|string } +// +// type C interface { ~string|~int } +// +// type T[P interface{ A|B; C }] int +// +// In this example, the structural type restriction of P is ~string|int: A|B +// expands to ~string|~[]byte|int|string, which reduces to ~string|~[]byte|int, +// which when intersected with C (~string|~int) yields ~string|int. +// +// StructuralTerms computes these expansions and reductions, producing a +// "normalized" form of the embeddings. A structural restriction is normalized +// if it is a single union containing no interface terms, and is minimal in the +// sense that removing any term changes the set of types satisfying the +// constraint. It is left as a proof for the reader that, modulo sorting, there +// is exactly one such normalized form. +// +// Because the minimal representation always takes this form, StructuralTerms +// returns a slice of tilde terms corresponding to the terms of the union in +// the normalized structural restriction. An error is returned if the +// constraint interface is invalid, exceeds complexity bounds, or has an empty +// type set. In the latter case, StructuralTerms returns ErrEmptyTypeSet. +// +// StructuralTerms makes no guarantees about the order of terms, except that it +// is deterministic. +func StructuralTerms(tparam *types.TypeParam) ([]*types.Term, error) { + constraint := tparam.Constraint() + if constraint == nil { + return nil, fmt.Errorf("%s has nil constraint", tparam) + } + iface, _ := constraint.Underlying().(*types.Interface) + if iface == nil { + return nil, fmt.Errorf("constraint is %T, not *types.Interface", constraint.Underlying()) + } + return InterfaceTermSet(iface) +} + +// InterfaceTermSet computes the normalized terms for a constraint interface, +// returning an error if the term set cannot be computed or is empty. In the +// latter case, the error will be ErrEmptyTypeSet. +// +// See the documentation of StructuralTerms for more information on +// normalization. +func InterfaceTermSet(iface *types.Interface) ([]*types.Term, error) { + return computeTermSet(iface) +} + +// UnionTermSet computes the normalized terms for a union, returning an error +// if the term set cannot be computed or is empty. In the latter case, the +// error will be ErrEmptyTypeSet. +// +// See the documentation of StructuralTerms for more information on +// normalization. +func UnionTermSet(union *types.Union) ([]*types.Term, error) { + return computeTermSet(union) +} + +func computeTermSet(typ types.Type) ([]*types.Term, error) { + tset, err := computeTermSetInternal(typ, make(map[types.Type]*termSet), 0) + if err != nil { + return nil, err + } + if tset.terms.isEmpty() { + return nil, ErrEmptyTypeSet + } + if tset.terms.isAll() { + return nil, nil + } + var terms []*types.Term + for _, term := range tset.terms { + terms = append(terms, types.NewTerm(term.tilde, term.typ)) + } + return terms, nil +} + +// A termSet holds the normalized set of terms for a given type. +// +// The name termSet is intentionally distinct from 'type set': a type set is +// all types that implement a type (and includes method restrictions), whereas +// a term set just represents the structural restrictions on a type. +type termSet struct { + complete bool + terms termlist +} + +func indentf(depth int, format string, args ...interface{}) { + fmt.Fprintf(os.Stderr, strings.Repeat(".", depth)+format+"\n", args...) +} + +func computeTermSetInternal(t types.Type, seen map[types.Type]*termSet, depth int) (res *termSet, err error) { + if t == nil { + panic("nil type") + } + + if debug { + indentf(depth, "%s", t.String()) + defer func() { + if err != nil { + indentf(depth, "=> %s", err) + } else { + indentf(depth, "=> %s", res.terms.String()) + } + }() + } + + const maxTermCount = 100 + if tset, ok := seen[t]; ok { + if !tset.complete { + return nil, fmt.Errorf("cycle detected in the declaration of %s", t) + } + return tset, nil + } + + // Mark the current type as seen to avoid infinite recursion. + tset := new(termSet) + defer func() { + tset.complete = true + }() + seen[t] = tset + + switch u := t.Underlying().(type) { + case *types.Interface: + // The term set of an interface is the intersection of the term sets of its + // embedded types. + tset.terms = allTermlist + for i := 0; i < u.NumEmbeddeds(); i++ { + embedded := u.EmbeddedType(i) + if _, ok := embedded.Underlying().(*types.TypeParam); ok { + return nil, fmt.Errorf("invalid embedded type %T", embedded) + } + tset2, err := computeTermSetInternal(embedded, seen, depth+1) + if err != nil { + return nil, err + } + tset.terms = tset.terms.intersect(tset2.terms) + } + case *types.Union: + // The term set of a union is the union of term sets of its terms. + tset.terms = nil + for i := 0; i < u.Len(); i++ { + t := u.Term(i) + var terms termlist + switch t.Type().Underlying().(type) { + case *types.Interface: + tset2, err := computeTermSetInternal(t.Type(), seen, depth+1) + if err != nil { + return nil, err + } + terms = tset2.terms + case *types.TypeParam, *types.Union: + // A stand-alone type parameter or union is not permitted as union + // term. + return nil, fmt.Errorf("invalid union term %T", t) + default: + if t.Type() == types.Typ[types.Invalid] { + continue + } + terms = termlist{{t.Tilde(), t.Type()}} + } + tset.terms = tset.terms.union(terms) + if len(tset.terms) > maxTermCount { + return nil, fmt.Errorf("exceeded max term count %d", maxTermCount) + } + } + case *types.TypeParam: + panic("unreachable") + default: + // For all other types, the term set is just a single non-tilde term + // holding the type itself. + if u != types.Typ[types.Invalid] { + tset.terms = termlist{{false, t}} + } + } + return tset, nil +} + +// under is a facade for the go/types internal function of the same name. It is +// used by typeterm.go. +func under(t types.Type) types.Type { + return t.Underlying() +} diff --git a/vendor/golang.org/x/tools/internal/typeparams/termlist.go b/vendor/golang.org/x/tools/internal/typeparams/termlist.go new file mode 100644 index 00000000..cbd12f80 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/typeparams/termlist.go @@ -0,0 +1,163 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Code generated by copytermlist.go DO NOT EDIT. + +package typeparams + +import ( + "bytes" + "go/types" +) + +// A termlist represents the type set represented by the union +// t1 βˆͺ y2 βˆͺ ... tn of the type sets of the terms t1 to tn. +// A termlist is in normal form if all terms are disjoint. +// termlist operations don't require the operands to be in +// normal form. +type termlist []*term + +// allTermlist represents the set of all types. +// It is in normal form. +var allTermlist = termlist{new(term)} + +// String prints the termlist exactly (without normalization). +func (xl termlist) String() string { + if len(xl) == 0 { + return "βˆ…" + } + var buf bytes.Buffer + for i, x := range xl { + if i > 0 { + buf.WriteString(" | ") + } + buf.WriteString(x.String()) + } + return buf.String() +} + +// isEmpty reports whether the termlist xl represents the empty set of types. +func (xl termlist) isEmpty() bool { + // If there's a non-nil term, the entire list is not empty. + // If the termlist is in normal form, this requires at most + // one iteration. + for _, x := range xl { + if x != nil { + return false + } + } + return true +} + +// isAll reports whether the termlist xl represents the set of all types. +func (xl termlist) isAll() bool { + // If there's a 𝓀 term, the entire list is 𝓀. + // If the termlist is in normal form, this requires at most + // one iteration. + for _, x := range xl { + if x != nil && x.typ == nil { + return true + } + } + return false +} + +// norm returns the normal form of xl. +func (xl termlist) norm() termlist { + // Quadratic algorithm, but good enough for now. + // TODO(gri) fix asymptotic performance + used := make([]bool, len(xl)) + var rl termlist + for i, xi := range xl { + if xi == nil || used[i] { + continue + } + for j := i + 1; j < len(xl); j++ { + xj := xl[j] + if xj == nil || used[j] { + continue + } + if u1, u2 := xi.union(xj); u2 == nil { + // If we encounter a 𝓀 term, the entire list is 𝓀. + // Exit early. + // (Note that this is not just an optimization; + // if we continue, we may end up with a 𝓀 term + // and other terms and the result would not be + // in normal form.) + if u1.typ == nil { + return allTermlist + } + xi = u1 + used[j] = true // xj is now unioned into xi - ignore it in future iterations + } + } + rl = append(rl, xi) + } + return rl +} + +// union returns the union xl βˆͺ yl. +func (xl termlist) union(yl termlist) termlist { + return append(xl, yl...).norm() +} + +// intersect returns the intersection xl ∩ yl. +func (xl termlist) intersect(yl termlist) termlist { + if xl.isEmpty() || yl.isEmpty() { + return nil + } + + // Quadratic algorithm, but good enough for now. + // TODO(gri) fix asymptotic performance + var rl termlist + for _, x := range xl { + for _, y := range yl { + if r := x.intersect(y); r != nil { + rl = append(rl, r) + } + } + } + return rl.norm() +} + +// equal reports whether xl and yl represent the same type set. +func (xl termlist) equal(yl termlist) bool { + // TODO(gri) this should be more efficient + return xl.subsetOf(yl) && yl.subsetOf(xl) +} + +// includes reports whether t ∈ xl. +func (xl termlist) includes(t types.Type) bool { + for _, x := range xl { + if x.includes(t) { + return true + } + } + return false +} + +// supersetOf reports whether y βŠ† xl. +func (xl termlist) supersetOf(y *term) bool { + for _, x := range xl { + if y.subsetOf(x) { + return true + } + } + return false +} + +// subsetOf reports whether xl βŠ† yl. +func (xl termlist) subsetOf(yl termlist) bool { + if yl.isEmpty() { + return xl.isEmpty() + } + + // each term x of xl must be a subset of yl + for _, x := range xl { + if !yl.supersetOf(x) { + return false // x is not a subset yl + } + } + return true +} diff --git a/vendor/golang.org/x/tools/internal/typeparams/typeterm.go b/vendor/golang.org/x/tools/internal/typeparams/typeterm.go new file mode 100644 index 00000000..7350bb70 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/typeparams/typeterm.go @@ -0,0 +1,169 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Code generated by copytermlist.go DO NOT EDIT. + +package typeparams + +import "go/types" + +// A term describes elementary type sets: +// +// βˆ…: (*term)(nil) == βˆ… // set of no types (empty set) +// 𝓀: &term{} == 𝓀 // set of all types (𝓀niverse) +// T: &term{false, T} == {T} // set of type T +// ~t: &term{true, t} == {t' | under(t') == t} // set of types with underlying type t +type term struct { + tilde bool // valid if typ != nil + typ types.Type +} + +func (x *term) String() string { + switch { + case x == nil: + return "βˆ…" + case x.typ == nil: + return "𝓀" + case x.tilde: + return "~" + x.typ.String() + default: + return x.typ.String() + } +} + +// equal reports whether x and y represent the same type set. +func (x *term) equal(y *term) bool { + // easy cases + switch { + case x == nil || y == nil: + return x == y + case x.typ == nil || y.typ == nil: + return x.typ == y.typ + } + // βˆ… βŠ‚ x, y βŠ‚ 𝓀 + + return x.tilde == y.tilde && types.Identical(x.typ, y.typ) +} + +// union returns the union x βˆͺ y: zero, one, or two non-nil terms. +func (x *term) union(y *term) (_, _ *term) { + // easy cases + switch { + case x == nil && y == nil: + return nil, nil // βˆ… βˆͺ βˆ… == βˆ… + case x == nil: + return y, nil // βˆ… βˆͺ y == y + case y == nil: + return x, nil // x βˆͺ βˆ… == x + case x.typ == nil: + return x, nil // 𝓀 βˆͺ y == 𝓀 + case y.typ == nil: + return y, nil // x βˆͺ 𝓀 == 𝓀 + } + // βˆ… βŠ‚ x, y βŠ‚ 𝓀 + + if x.disjoint(y) { + return x, y // x βˆͺ y == (x, y) if x ∩ y == βˆ… + } + // x.typ == y.typ + + // ~t βˆͺ ~t == ~t + // ~t βˆͺ T == ~t + // T βˆͺ ~t == ~t + // T βˆͺ T == T + if x.tilde || !y.tilde { + return x, nil + } + return y, nil +} + +// intersect returns the intersection x ∩ y. +func (x *term) intersect(y *term) *term { + // easy cases + switch { + case x == nil || y == nil: + return nil // βˆ… ∩ y == βˆ… and ∩ βˆ… == βˆ… + case x.typ == nil: + return y // 𝓀 ∩ y == y + case y.typ == nil: + return x // x ∩ 𝓀 == x + } + // βˆ… βŠ‚ x, y βŠ‚ 𝓀 + + if x.disjoint(y) { + return nil // x ∩ y == βˆ… if x ∩ y == βˆ… + } + // x.typ == y.typ + + // ~t ∩ ~t == ~t + // ~t ∩ T == T + // T ∩ ~t == T + // T ∩ T == T + if !x.tilde || y.tilde { + return x + } + return y +} + +// includes reports whether t ∈ x. +func (x *term) includes(t types.Type) bool { + // easy cases + switch { + case x == nil: + return false // t ∈ βˆ… == false + case x.typ == nil: + return true // t ∈ 𝓀 == true + } + // βˆ… βŠ‚ x βŠ‚ 𝓀 + + u := t + if x.tilde { + u = under(u) + } + return types.Identical(x.typ, u) +} + +// subsetOf reports whether x βŠ† y. +func (x *term) subsetOf(y *term) bool { + // easy cases + switch { + case x == nil: + return true // βˆ… βŠ† y == true + case y == nil: + return false // x βŠ† βˆ… == false since x != βˆ… + case y.typ == nil: + return true // x βŠ† 𝓀 == true + case x.typ == nil: + return false // 𝓀 βŠ† y == false since y != 𝓀 + } + // βˆ… βŠ‚ x, y βŠ‚ 𝓀 + + if x.disjoint(y) { + return false // x βŠ† y == false if x ∩ y == βˆ… + } + // x.typ == y.typ + + // ~t βŠ† ~t == true + // ~t βŠ† T == false + // T βŠ† ~t == true + // T βŠ† T == true + return !x.tilde || y.tilde +} + +// disjoint reports whether x ∩ y == βˆ…. +// x.typ and y.typ must not be nil. +func (x *term) disjoint(y *term) bool { + if debug && (x.typ == nil || y.typ == nil) { + panic("invalid argument(s)") + } + ux := x.typ + if y.tilde { + ux = under(ux) + } + uy := y.typ + if x.tilde { + uy = under(uy) + } + return !types.Identical(ux, uy) +} diff --git a/vendor/golang.org/x/tools/internal/typesinternal/element.go b/vendor/golang.org/x/tools/internal/typesinternal/element.go new file mode 100644 index 00000000..4957f021 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/typesinternal/element.go @@ -0,0 +1,133 @@ +// Copyright 2024 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package typesinternal + +import ( + "fmt" + "go/types" + + "golang.org/x/tools/go/types/typeutil" +) + +// ForEachElement calls f for type T and each type reachable from its +// type through reflection. It does this by recursively stripping off +// type constructors; in addition, for each named type N, the type *N +// is added to the result as it may have additional methods. +// +// The caller must provide an initially empty set used to de-duplicate +// identical types, potentially across multiple calls to ForEachElement. +// (Its final value holds all the elements seen, matching the arguments +// passed to f.) +// +// TODO(adonovan): share/harmonize with go/callgraph/rta. +func ForEachElement(rtypes *typeutil.Map, msets *typeutil.MethodSetCache, T types.Type, f func(types.Type)) { + var visit func(T types.Type, skip bool) + visit = func(T types.Type, skip bool) { + if !skip { + if seen, _ := rtypes.Set(T, true).(bool); seen { + return // de-dup + } + + f(T) // notify caller of new element type + } + + // Recursion over signatures of each method. + tmset := msets.MethodSet(T) + for i := 0; i < tmset.Len(); i++ { + sig := tmset.At(i).Type().(*types.Signature) + // It is tempting to call visit(sig, false) + // but, as noted in golang.org/cl/65450043, + // the Signature.Recv field is ignored by + // types.Identical and typeutil.Map, which + // is confusing at best. + // + // More importantly, the true signature rtype + // reachable from a method using reflection + // has no receiver but an extra ordinary parameter. + // For the Read method of io.Reader we want: + // func(Reader, []byte) (int, error) + // but here sig is: + // func([]byte) (int, error) + // with .Recv = Reader (though it is hard to + // notice because it doesn't affect Signature.String + // or types.Identical). + // + // TODO(adonovan): construct and visit the correct + // non-method signature with an extra parameter + // (though since unnamed func types have no methods + // there is essentially no actual demand for this). + // + // TODO(adonovan): document whether or not it is + // safe to skip non-exported methods (as RTA does). + visit(sig.Params(), true) // skip the Tuple + visit(sig.Results(), true) // skip the Tuple + } + + switch T := T.(type) { + case *types.Alias: + visit(types.Unalias(T), skip) // emulates the pre-Alias behavior + + case *types.Basic: + // nop + + case *types.Interface: + // nop---handled by recursion over method set. + + case *types.Pointer: + visit(T.Elem(), false) + + case *types.Slice: + visit(T.Elem(), false) + + case *types.Chan: + visit(T.Elem(), false) + + case *types.Map: + visit(T.Key(), false) + visit(T.Elem(), false) + + case *types.Signature: + if T.Recv() != nil { + panic(fmt.Sprintf("Signature %s has Recv %s", T, T.Recv())) + } + visit(T.Params(), true) // skip the Tuple + visit(T.Results(), true) // skip the Tuple + + case *types.Named: + // A pointer-to-named type can be derived from a named + // type via reflection. It may have methods too. + visit(types.NewPointer(T), false) + + // Consider 'type T struct{S}' where S has methods. + // Reflection provides no way to get from T to struct{S}, + // only to S, so the method set of struct{S} is unwanted, + // so set 'skip' flag during recursion. + visit(T.Underlying(), true) // skip the unnamed type + + case *types.Array: + visit(T.Elem(), false) + + case *types.Struct: + for i, n := 0, T.NumFields(); i < n; i++ { + // TODO(adonovan): document whether or not + // it is safe to skip non-exported fields. + visit(T.Field(i).Type(), false) + } + + case *types.Tuple: + for i, n := 0, T.Len(); i < n; i++ { + visit(T.At(i).Type(), false) + } + + case *types.TypeParam, *types.Union: + // forEachReachable must not be called on parameterized types. + panic(T) + + default: + panic(T) + } + } + visit(T, false) +} diff --git a/vendor/golang.org/x/tools/internal/typesinternal/errorcode.go b/vendor/golang.org/x/tools/internal/typesinternal/errorcode.go index 834e0538..131caab2 100644 --- a/vendor/golang.org/x/tools/internal/typesinternal/errorcode.go +++ b/vendor/golang.org/x/tools/internal/typesinternal/errorcode.go @@ -838,7 +838,7 @@ const ( // InvalidCap occurs when an argument to the cap built-in function is not of // supported type. // - // See https://golang.org/ref/spec#Lengthand_capacity for information on + // See https://golang.org/ref/spec#Length_and_capacity for information on // which underlying types are supported as arguments to cap and len. // // Example: @@ -859,7 +859,7 @@ const ( // InvalidCopy occurs when the arguments are not of slice type or do not // have compatible type. // - // See https://golang.org/ref/spec#Appendingand_copying_slices for more + // See https://golang.org/ref/spec#Appending_and_copying_slices for more // information on the type requirements for the copy built-in. // // Example: @@ -897,7 +897,7 @@ const ( // InvalidLen occurs when an argument to the len built-in function is not of // supported type. // - // See https://golang.org/ref/spec#Lengthand_capacity for information on + // See https://golang.org/ref/spec#Length_and_capacity for information on // which underlying types are supported as arguments to cap and len. // // Example: @@ -914,7 +914,7 @@ const ( // InvalidMake occurs when make is called with an unsupported type argument. // - // See https://golang.org/ref/spec#Makingslices_maps_and_channels for + // See https://golang.org/ref/spec#Making_slices_maps_and_channels for // information on the types that may be created using make. // // Example: diff --git a/vendor/golang.org/x/tools/internal/typesinternal/recv.go b/vendor/golang.org/x/tools/internal/typesinternal/recv.go index fea7c8b7..ba6f4f4e 100644 --- a/vendor/golang.org/x/tools/internal/typesinternal/recv.go +++ b/vendor/golang.org/x/tools/internal/typesinternal/recv.go @@ -6,8 +6,6 @@ package typesinternal import ( "go/types" - - "golang.org/x/tools/internal/aliases" ) // ReceiverNamed returns the named type (if any) associated with the @@ -15,11 +13,11 @@ import ( // It also reports whether a Pointer was present. func ReceiverNamed(recv *types.Var) (isPtr bool, named *types.Named) { t := recv.Type() - if ptr, ok := aliases.Unalias(t).(*types.Pointer); ok { + if ptr, ok := types.Unalias(t).(*types.Pointer); ok { isPtr = true t = ptr.Elem() } - named, _ = aliases.Unalias(t).(*types.Named) + named, _ = types.Unalias(t).(*types.Named) return } @@ -36,7 +34,7 @@ func ReceiverNamed(recv *types.Var) (isPtr bool, named *types.Named) { // indirection from the type, regardless of named types (analogous to // a LOAD instruction). func Unpointer(t types.Type) types.Type { - if ptr, ok := aliases.Unalias(t).(*types.Pointer); ok { + if ptr, ok := types.Unalias(t).(*types.Pointer); ok { return ptr.Elem() } return t diff --git a/vendor/golang.org/x/tools/internal/typesinternal/types.go b/vendor/golang.org/x/tools/internal/typesinternal/types.go index 83923286..df3ea521 100644 --- a/vendor/golang.org/x/tools/internal/typesinternal/types.go +++ b/vendor/golang.org/x/tools/internal/typesinternal/types.go @@ -11,6 +11,8 @@ import ( "go/types" "reflect" "unsafe" + + "golang.org/x/tools/internal/aliases" ) func SetUsesCgo(conf *types.Config) bool { @@ -63,3 +65,57 @@ func NameRelativeTo(pkg *types.Package) types.Qualifier { return other.Name() } } + +// A NamedOrAlias is a [types.Type] that is named (as +// defined by the spec) and capable of bearing type parameters: it +// abstracts aliases ([types.Alias]) and defined types +// ([types.Named]). +// +// Every type declared by an explicit "type" declaration is a +// NamedOrAlias. (Built-in type symbols may additionally +// have type [types.Basic], which is not a NamedOrAlias, +// though the spec regards them as "named".) +// +// NamedOrAlias cannot expose the Origin method, because +// [types.Alias.Origin] and [types.Named.Origin] have different +// (covariant) result types; use [Origin] instead. +type NamedOrAlias interface { + types.Type + Obj() *types.TypeName +} + +// TypeParams is a light shim around t.TypeParams(). +// (go/types.Alias).TypeParams requires >= 1.23. +func TypeParams(t NamedOrAlias) *types.TypeParamList { + switch t := t.(type) { + case *types.Alias: + return aliases.TypeParams(t) + case *types.Named: + return t.TypeParams() + } + return nil +} + +// TypeArgs is a light shim around t.TypeArgs(). +// (go/types.Alias).TypeArgs requires >= 1.23. +func TypeArgs(t NamedOrAlias) *types.TypeList { + switch t := t.(type) { + case *types.Alias: + return aliases.TypeArgs(t) + case *types.Named: + return t.TypeArgs() + } + return nil +} + +// Origin returns the generic type of the Named or Alias type t if it +// is instantiated, otherwise it returns t. +func Origin(t NamedOrAlias) NamedOrAlias { + switch t := t.(type) { + case *types.Alias: + return aliases.Origin(t) + case *types.Named: + return t.Origin() + } + return t +} diff --git a/vendor/golang.org/x/tools/internal/typesinternal/zerovalue.go b/vendor/golang.org/x/tools/internal/typesinternal/zerovalue.go new file mode 100644 index 00000000..10669806 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/typesinternal/zerovalue.go @@ -0,0 +1,282 @@ +// Copyright 2024 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package typesinternal + +import ( + "fmt" + "go/ast" + "go/token" + "go/types" + "strconv" + "strings" +) + +// ZeroString returns the string representation of the "zero" value of the type t. +// This string can be used on the right-hand side of an assignment where the +// left-hand side has that explicit type. +// Exception: This does not apply to tuples. Their string representation is +// informational only and cannot be used in an assignment. +// When assigning to a wider type (such as 'any'), it's the caller's +// responsibility to handle any necessary type conversions. +// See [ZeroExpr] for a variant that returns an [ast.Expr]. +func ZeroString(t types.Type, qf types.Qualifier) string { + switch t := t.(type) { + case *types.Basic: + switch { + case t.Info()&types.IsBoolean != 0: + return "false" + case t.Info()&types.IsNumeric != 0: + return "0" + case t.Info()&types.IsString != 0: + return `""` + case t.Kind() == types.UnsafePointer: + fallthrough + case t.Kind() == types.UntypedNil: + return "nil" + default: + panic(fmt.Sprint("ZeroString for unexpected type:", t)) + } + + case *types.Pointer, *types.Slice, *types.Interface, *types.Chan, *types.Map, *types.Signature: + return "nil" + + case *types.Named, *types.Alias: + switch under := t.Underlying().(type) { + case *types.Struct, *types.Array: + return types.TypeString(t, qf) + "{}" + default: + return ZeroString(under, qf) + } + + case *types.Array, *types.Struct: + return types.TypeString(t, qf) + "{}" + + case *types.TypeParam: + // Assumes func new is not shadowed. + return "*new(" + types.TypeString(t, qf) + ")" + + case *types.Tuple: + // Tuples are not normal values. + // We are currently format as "(t[0], ..., t[n])". Could be something else. + components := make([]string, t.Len()) + for i := 0; i < t.Len(); i++ { + components[i] = ZeroString(t.At(i).Type(), qf) + } + return "(" + strings.Join(components, ", ") + ")" + + case *types.Union: + // Variables of these types cannot be created, so it makes + // no sense to ask for their zero value. + panic(fmt.Sprintf("invalid type for a variable: %v", t)) + + default: + panic(t) // unreachable. + } +} + +// ZeroExpr returns the ast.Expr representation of the "zero" value of the type t. +// ZeroExpr is defined for types that are suitable for variables. +// It may panic for other types such as Tuple or Union. +// See [ZeroString] for a variant that returns a string. +func ZeroExpr(f *ast.File, pkg *types.Package, typ types.Type) ast.Expr { + switch t := typ.(type) { + case *types.Basic: + switch { + case t.Info()&types.IsBoolean != 0: + return &ast.Ident{Name: "false"} + case t.Info()&types.IsNumeric != 0: + return &ast.BasicLit{Kind: token.INT, Value: "0"} + case t.Info()&types.IsString != 0: + return &ast.BasicLit{Kind: token.STRING, Value: `""`} + case t.Kind() == types.UnsafePointer: + fallthrough + case t.Kind() == types.UntypedNil: + return ast.NewIdent("nil") + default: + panic(fmt.Sprint("ZeroExpr for unexpected type:", t)) + } + + case *types.Pointer, *types.Slice, *types.Interface, *types.Chan, *types.Map, *types.Signature: + return ast.NewIdent("nil") + + case *types.Named, *types.Alias: + switch under := t.Underlying().(type) { + case *types.Struct, *types.Array: + return &ast.CompositeLit{ + Type: TypeExpr(f, pkg, typ), + } + default: + return ZeroExpr(f, pkg, under) + } + + case *types.Array, *types.Struct: + return &ast.CompositeLit{ + Type: TypeExpr(f, pkg, typ), + } + + case *types.TypeParam: + return &ast.StarExpr{ // *new(T) + X: &ast.CallExpr{ + // Assumes func new is not shadowed. + Fun: ast.NewIdent("new"), + Args: []ast.Expr{ + ast.NewIdent(t.Obj().Name()), + }, + }, + } + + case *types.Tuple: + // Unlike ZeroString, there is no ast.Expr can express tuple by + // "(t[0], ..., t[n])". + panic(fmt.Sprintf("invalid type for a variable: %v", t)) + + case *types.Union: + // Variables of these types cannot be created, so it makes + // no sense to ask for their zero value. + panic(fmt.Sprintf("invalid type for a variable: %v", t)) + + default: + panic(t) // unreachable. + } +} + +// IsZeroExpr uses simple syntactic heuristics to report whether expr +// is a obvious zero value, such as 0, "", nil, or false. +// It cannot do better without type information. +func IsZeroExpr(expr ast.Expr) bool { + switch e := expr.(type) { + case *ast.BasicLit: + return e.Value == "0" || e.Value == `""` + case *ast.Ident: + return e.Name == "nil" || e.Name == "false" + default: + return false + } +} + +// TypeExpr returns syntax for the specified type. References to named types +// from packages other than pkg are qualified by an appropriate package name, as +// defined by the import environment of file. +// It may panic for types such as Tuple or Union. +func TypeExpr(f *ast.File, pkg *types.Package, typ types.Type) ast.Expr { + switch t := typ.(type) { + case *types.Basic: + switch t.Kind() { + case types.UnsafePointer: + // TODO(hxjiang): replace the implementation with types.Qualifier. + return &ast.SelectorExpr{X: ast.NewIdent("unsafe"), Sel: ast.NewIdent("Pointer")} + default: + return ast.NewIdent(t.Name()) + } + + case *types.Pointer: + return &ast.UnaryExpr{ + Op: token.MUL, + X: TypeExpr(f, pkg, t.Elem()), + } + + case *types.Array: + return &ast.ArrayType{ + Len: &ast.BasicLit{ + Kind: token.INT, + Value: fmt.Sprintf("%d", t.Len()), + }, + Elt: TypeExpr(f, pkg, t.Elem()), + } + + case *types.Slice: + return &ast.ArrayType{ + Elt: TypeExpr(f, pkg, t.Elem()), + } + + case *types.Map: + return &ast.MapType{ + Key: TypeExpr(f, pkg, t.Key()), + Value: TypeExpr(f, pkg, t.Elem()), + } + + case *types.Chan: + dir := ast.ChanDir(t.Dir()) + if t.Dir() == types.SendRecv { + dir = ast.SEND | ast.RECV + } + return &ast.ChanType{ + Dir: dir, + Value: TypeExpr(f, pkg, t.Elem()), + } + + case *types.Signature: + var params []*ast.Field + for i := 0; i < t.Params().Len(); i++ { + params = append(params, &ast.Field{ + Type: TypeExpr(f, pkg, t.Params().At(i).Type()), + Names: []*ast.Ident{ + { + Name: t.Params().At(i).Name(), + }, + }, + }) + } + if t.Variadic() { + last := params[len(params)-1] + last.Type = &ast.Ellipsis{Elt: last.Type.(*ast.ArrayType).Elt} + } + var returns []*ast.Field + for i := 0; i < t.Results().Len(); i++ { + returns = append(returns, &ast.Field{ + Type: TypeExpr(f, pkg, t.Results().At(i).Type()), + }) + } + return &ast.FuncType{ + Params: &ast.FieldList{ + List: params, + }, + Results: &ast.FieldList{ + List: returns, + }, + } + + case interface{ Obj() *types.TypeName }: // *types.{Alias,Named,TypeParam} + switch t.Obj().Pkg() { + case pkg, nil: + return ast.NewIdent(t.Obj().Name()) + } + pkgName := t.Obj().Pkg().Name() + + // TODO(hxjiang): replace the implementation with types.Qualifier. + // If the file already imports the package under another name, use that. + for _, cand := range f.Imports { + if path, _ := strconv.Unquote(cand.Path.Value); path == t.Obj().Pkg().Path() { + if cand.Name != nil && cand.Name.Name != "" { + pkgName = cand.Name.Name + } + } + } + if pkgName == "." { + return ast.NewIdent(t.Obj().Name()) + } + return &ast.SelectorExpr{ + X: ast.NewIdent(pkgName), + Sel: ast.NewIdent(t.Obj().Name()), + } + + case *types.Struct: + return ast.NewIdent(t.String()) + + case *types.Interface: + return ast.NewIdent(t.String()) + + case *types.Union: + // TODO(hxjiang): handle the union through syntax (~A | ... | ~Z). + // Remove nil check when calling typesinternal.TypeExpr. + return nil + + case *types.Tuple: + panic("invalid input type types.Tuple") + + default: + panic("unreachable") + } +} diff --git a/vendor/golang.org/x/tools/internal/versions/constraint.go b/vendor/golang.org/x/tools/internal/versions/constraint.go deleted file mode 100644 index 179063d4..00000000 --- a/vendor/golang.org/x/tools/internal/versions/constraint.go +++ /dev/null @@ -1,13 +0,0 @@ -// Copyright 2024 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package versions - -import "go/build/constraint" - -// ConstraintGoVersion is constraint.GoVersion (if built with go1.21+). -// Otherwise nil. -// -// Deprecate once x/tools is after go1.21. -var ConstraintGoVersion func(x constraint.Expr) string diff --git a/vendor/golang.org/x/tools/internal/versions/constraint_go121.go b/vendor/golang.org/x/tools/internal/versions/constraint_go121.go deleted file mode 100644 index 38011407..00000000 --- a/vendor/golang.org/x/tools/internal/versions/constraint_go121.go +++ /dev/null @@ -1,14 +0,0 @@ -// Copyright 2024 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build go1.21 -// +build go1.21 - -package versions - -import "go/build/constraint" - -func init() { - ConstraintGoVersion = constraint.GoVersion -} diff --git a/vendor/golang.org/x/tools/internal/versions/toolchain.go b/vendor/golang.org/x/tools/internal/versions/toolchain.go deleted file mode 100644 index 377bf7a5..00000000 --- a/vendor/golang.org/x/tools/internal/versions/toolchain.go +++ /dev/null @@ -1,14 +0,0 @@ -// Copyright 2024 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package versions - -// toolchain is maximum version (<1.22) that the go toolchain used -// to build the current tool is known to support. -// -// When a tool is built with >=1.22, the value of toolchain is unused. -// -// x/tools does not support building with go <1.18. So we take this -// as the minimum possible maximum. -var toolchain string = Go1_18 diff --git a/vendor/golang.org/x/tools/internal/versions/toolchain_go119.go b/vendor/golang.org/x/tools/internal/versions/toolchain_go119.go deleted file mode 100644 index f65beed9..00000000 --- a/vendor/golang.org/x/tools/internal/versions/toolchain_go119.go +++ /dev/null @@ -1,14 +0,0 @@ -// Copyright 2024 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build go1.19 -// +build go1.19 - -package versions - -func init() { - if Compare(toolchain, Go1_19) < 0 { - toolchain = Go1_19 - } -} diff --git a/vendor/golang.org/x/tools/internal/versions/toolchain_go120.go b/vendor/golang.org/x/tools/internal/versions/toolchain_go120.go deleted file mode 100644 index 1a9efa12..00000000 --- a/vendor/golang.org/x/tools/internal/versions/toolchain_go120.go +++ /dev/null @@ -1,14 +0,0 @@ -// Copyright 2024 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build go1.20 -// +build go1.20 - -package versions - -func init() { - if Compare(toolchain, Go1_20) < 0 { - toolchain = Go1_20 - } -} diff --git a/vendor/golang.org/x/tools/internal/versions/toolchain_go121.go b/vendor/golang.org/x/tools/internal/versions/toolchain_go121.go deleted file mode 100644 index b7ef216d..00000000 --- a/vendor/golang.org/x/tools/internal/versions/toolchain_go121.go +++ /dev/null @@ -1,14 +0,0 @@ -// Copyright 2024 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build go1.21 -// +build go1.21 - -package versions - -func init() { - if Compare(toolchain, Go1_21) < 0 { - toolchain = Go1_21 - } -} diff --git a/vendor/golang.org/x/tools/internal/versions/types.go b/vendor/golang.org/x/tools/internal/versions/types.go index 562eef21..0fc10ce4 100644 --- a/vendor/golang.org/x/tools/internal/versions/types.go +++ b/vendor/golang.org/x/tools/internal/versions/types.go @@ -5,15 +5,29 @@ package versions import ( + "go/ast" "go/types" ) -// GoVersion returns the Go version of the type package. -// It returns zero if no version can be determined. -func GoVersion(pkg *types.Package) string { - // TODO(taking): x/tools can call GoVersion() [from 1.21] after 1.25. - if pkg, ok := any(pkg).(interface{ GoVersion() string }); ok { - return pkg.GoVersion() +// FileVersion returns a file's Go version. +// The reported version is an unknown Future version if a +// version cannot be determined. +func FileVersion(info *types.Info, file *ast.File) string { + // In tools built with Go >= 1.22, the Go version of a file + // follow a cascades of sources: + // 1) types.Info.FileVersion, which follows the cascade: + // 1.a) file version (ast.File.GoVersion), + // 1.b) the package version (types.Config.GoVersion), or + // 2) is some unknown Future version. + // + // File versions require a valid package version to be provided to types + // in Config.GoVersion. Config.GoVersion is either from the package's module + // or the toolchain (go run). This value should be provided by go/packages + // or unitchecker.Config.GoVersion. + if v := info.FileVersions[file]; IsValid(v) { + return v } - return "" + // Note: we could instead return runtime.Version() [if valid]. + // This would act as a max version on what a tool can support. + return Future } diff --git a/vendor/golang.org/x/tools/internal/versions/types_go121.go b/vendor/golang.org/x/tools/internal/versions/types_go121.go deleted file mode 100644 index b4345d33..00000000 --- a/vendor/golang.org/x/tools/internal/versions/types_go121.go +++ /dev/null @@ -1,30 +0,0 @@ -// Copyright 2023 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build !go1.22 -// +build !go1.22 - -package versions - -import ( - "go/ast" - "go/types" -) - -// FileVersion returns a language version (<=1.21) derived from runtime.Version() -// or an unknown future version. -func FileVersion(info *types.Info, file *ast.File) string { - // In x/tools built with Go <= 1.21, we do not have Info.FileVersions - // available. We use a go version derived from the toolchain used to - // compile the tool by default. - // This will be <= go1.21. We take this as the maximum version that - // this tool can support. - // - // There are no features currently in x/tools that need to tell fine grained - // differences for versions <1.22. - return toolchain -} - -// InitFileVersions is a noop when compiled with this Go version. -func InitFileVersions(*types.Info) {} diff --git a/vendor/golang.org/x/tools/internal/versions/types_go122.go b/vendor/golang.org/x/tools/internal/versions/types_go122.go deleted file mode 100644 index aac5db62..00000000 --- a/vendor/golang.org/x/tools/internal/versions/types_go122.go +++ /dev/null @@ -1,41 +0,0 @@ -// Copyright 2023 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build go1.22 -// +build go1.22 - -package versions - -import ( - "go/ast" - "go/types" -) - -// FileVersion returns a file's Go version. -// The reported version is an unknown Future version if a -// version cannot be determined. -func FileVersion(info *types.Info, file *ast.File) string { - // In tools built with Go >= 1.22, the Go version of a file - // follow a cascades of sources: - // 1) types.Info.FileVersion, which follows the cascade: - // 1.a) file version (ast.File.GoVersion), - // 1.b) the package version (types.Config.GoVersion), or - // 2) is some unknown Future version. - // - // File versions require a valid package version to be provided to types - // in Config.GoVersion. Config.GoVersion is either from the package's module - // or the toolchain (go run). This value should be provided by go/packages - // or unitchecker.Config.GoVersion. - if v := info.FileVersions[file]; IsValid(v) { - return v - } - // Note: we could instead return runtime.Version() [if valid]. - // This would act as a max version on what a tool can support. - return Future -} - -// InitFileVersions initializes info to record Go versions for Go files. -func InitFileVersions(info *types.Info) { - info.FileVersions = make(map[*ast.File]string) -} diff --git a/vendor/modules.txt b/vendor/modules.txt index 47ec9bf8..dd6de58a 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -93,8 +93,8 @@ github.com/onsi/ginkgo/reporters/stenographer github.com/onsi/ginkgo/reporters/stenographer/support/go-colorable github.com/onsi/ginkgo/reporters/stenographer/support/go-isatty github.com/onsi/ginkgo/types -# github.com/onsi/gomega v1.36.0 -## explicit; go 1.22 +# github.com/onsi/gomega v1.36.2 +## explicit; go 1.22.0 github.com/onsi/gomega github.com/onsi/gomega/format github.com/onsi/gomega/internal @@ -167,10 +167,10 @@ golang.org/x/crypto/ssh/knownhosts ## explicit; go 1.20 golang.org/x/exp/constraints golang.org/x/exp/slices -# golang.org/x/mod v0.20.0 -## explicit; go 1.18 +# golang.org/x/mod v0.22.0 +## explicit; go 1.22.0 golang.org/x/mod/semver -# golang.org/x/net v0.30.0 +# golang.org/x/net v0.33.0 ## explicit; go 1.18 golang.org/x/net/bpf golang.org/x/net/html @@ -212,11 +212,12 @@ golang.org/x/text/transform # golang.org/x/time v0.5.0 ## explicit; go 1.18 golang.org/x/time/rate -# golang.org/x/tools v0.24.0 -## explicit; go 1.19 +# golang.org/x/tools v0.28.0 +## explicit; go 1.22.0 golang.org/x/tools/go/gcexportdata golang.org/x/tools/go/packages golang.org/x/tools/go/types/objectpath +golang.org/x/tools/go/types/typeutil golang.org/x/tools/internal/aliases golang.org/x/tools/internal/event golang.org/x/tools/internal/event/core @@ -227,7 +228,7 @@ golang.org/x/tools/internal/gocommand golang.org/x/tools/internal/packagesinternal golang.org/x/tools/internal/pkgbits golang.org/x/tools/internal/stdlib -golang.org/x/tools/internal/tokeninternal +golang.org/x/tools/internal/typeparams golang.org/x/tools/internal/typesinternal golang.org/x/tools/internal/versions # gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7