feat: add marshalling of structs

crates/mun/src/main.rs

@@ -4,9 +4,8 @@ extern crate failure;
 use std::time::Duration;
 
 use clap::{App, AppSettings, Arg, ArgMatches, SubCommand};
-use mun_abi::Reflection;
 use mun_compiler::{host_triple, Config, PathOrInline, Target};
-use mun_runtime::{invoke_fn, Runtime, RuntimeBuilder};
+use mun_runtime::{invoke_fn, ReturnTypeReflection, Runtime, RuntimeBuilder};
 
 fn main() -> Result<(), failure::Error> {
     let matches = App::new("mun")

crates/mun_abi/Cargo.toml

@@ -7,6 +7,3 @@ homepage = "https://mun-lang.org"
 repository = "https://github.com/mun-lang/mun"
 license = "MIT OR Apache-2.0"
 description = "Rust wrapper for the Mun ABI"
-
-[dependencies]
-md5 = "0.6.1"

crates/mun_abi/src/autogen.rs

@@ -3,7 +3,7 @@
 /* automatically generated by rust-bindgen */
 
 #![allow(non_snake_case, non_camel_case_types, non_upper_case_globals)]
-use crate::Privacy;
+use crate::{Privacy, TypeGroup};
 
 #[doc = " Represents a globally unique identifier (GUID)."]
 #[doc = ""]
@@ -46,12 +46,14 @@ pub struct TypeInfo {
     pub guid: Guid,
     #[doc = " Type name"]
     pub name: *const ::std::os::raw::c_char,
+    #[doc = " Type group"]
+    pub group: TypeGroup,
 }
 #[test]
 fn bindgen_test_layout_TypeInfo() {
     assert_eq!(
         ::std::mem::size_of::<TypeInfo>(),
-        24usize,
+        32usize,
         concat!("Size of: ", stringify!(TypeInfo))
     );
     assert_eq!(
@@ -79,6 +81,16 @@ fn bindgen_test_layout_TypeInfo() {
             stringify!(name)
         )
     );
+    assert_eq!(
+        unsafe { &(*(::std::ptr::null::<TypeInfo>())).group as *const _ as usize },
+        24usize,
+        concat!(
+            "Offset of field: ",
+            stringify!(TypeInfo),
+            "::",
+            stringify!(group)
+        )
+    );
 }
 #[doc = " Represents a function signature."]
 #[doc = ""]
@@ -214,16 +226,22 @@ fn bindgen_test_layout_FunctionInfo() {
 pub struct StructInfo {
     #[doc = " Struct name"]
     pub name: *const ::std::os::raw::c_char,
+    #[doc = " Struct fields' names"]
+    pub field_names: *const *const ::std::os::raw::c_char,
     #[doc = " Struct fields' information"]
     pub field_types: *const TypeInfo,
+    #[doc = " Struct fields' offsets"]
+    pub field_offsets: *const u16,
+    #[doc = " Struct fields' sizes (in bytes)"]
+    pub field_sizes: *const u16,
     #[doc = " Number of fields"]
     pub num_fields: u16,
 }
 #[test]
 fn bindgen_test_layout_StructInfo() {
     assert_eq!(
         ::std::mem::size_of::<StructInfo>(),
-        24usize,
+        48usize,
         concat!("Size of: ", stringify!(StructInfo))
     );
     assert_eq!(
@@ -242,18 +260,48 @@ fn bindgen_test_layout_StructInfo() {
         )
     );
     assert_eq!(
-        unsafe { &(*(::std::ptr::null::<StructInfo>())).field_types as *const _ as usize },
+        unsafe { &(*(::std::ptr::null::<StructInfo>())).field_names as *const _ as usize },
         8usize,
+        concat!(
+            "Offset of field: ",
+            stringify!(StructInfo),
+            "::",
+            stringify!(field_names)
+        )
+    );
+    assert_eq!(
+        unsafe { &(*(::std::ptr::null::<StructInfo>())).field_types as *const _ as usize },
+        16usize,
         concat!(
             "Offset of field: ",
             stringify!(StructInfo),
             "::",
             stringify!(field_types)
         )
     );
+    assert_eq!(
+        unsafe { &(*(::std::ptr::null::<StructInfo>())).field_offsets as *const _ as usize },
+        24usize,
+        concat!(
+            "Offset of field: ",
+            stringify!(StructInfo),
+            "::",
+            stringify!(field_offsets)
+        )
+    );
+    assert_eq!(
+        unsafe { &(*(::std::ptr::null::<StructInfo>())).field_sizes as *const _ as usize },
+        32usize,
+        concat!(
+            "Offset of field: ",
+            stringify!(StructInfo),
+            "::",
+            stringify!(field_sizes)
+        )
+    );
     assert_eq!(
         unsafe { &(*(::std::ptr::null::<StructInfo>())).num_fields as *const _ as usize },
-        16usize,
+        40usize,
         concat!(
             "Offset of field: ",
             stringify!(StructInfo),