adds get function for instance metadata (#1002)

* adds get function for instance metadata * Update src/coreir-c/coreir-c.cpp Co-authored-by: rsetaluri <[email protected]>
rdaly525 · Apr 8, 2021 · c70b115 · c70b115
1 parent 4020734
commit c70b115
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diff --git a/include/coreir-c/coreir.h b/include/coreir-c/coreir.h
@@ -216,6 +216,7 @@ extern void COREModuleAddMetaDataStr(
 
 // This returns a malloc'd string that should be freed by the user
 extern const char* COREModuleGetMetaData(COREModule* module);
+extern const char* COREInstanceGetMetaData(COREWireable* module);
 
 // BEGIN : directedview
 extern const char** COREDirectedConnectionGetSrc(

diff --git a/src/coreir-c/coreir-c.cpp b/src/coreir-c/coreir-c.cpp
@@ -455,6 +455,17 @@ const char* COREModuleGetMetaData(COREModule* core_mod) {
   return cstr;
 }
 
+const char* COREInstanceGetMetaData(COREWireable* core_inst) {
+  auto w = rcast<Wireable*>(core_inst);
+  ASSERT(isa<Instance>(w), "Wireable needs to be an instnace");
+  Instance* inst = cast<Instance>(w);
+  std::string metadata = inst->getMetaData().dump();
+  auto copy = static_cast<char*>(
+      w->getContext()->getScratchMemory(metadata.size() + 1));
+  strcpy(copy, metadata.c_str());
+  return copy;
+}
+
 const char* COREModuleGetName(COREModule* module) {
   return rcast<Module*>(module)->getName().c_str();
 }