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Add a flag to dump the C++ AST (#5918)

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Use it to dump the AST that includes a generated C++ thunk.
Based on #5917.

Also added printing of the full actual text when check fails to make
debugging easier.
Changed line replacement to allow removing complete lines.

Part of #5514.
This commit is contained in:
Boaz Brickner
2025-08-07 17:09:30 +00:00
committed by GitHub
parent 0f171611d4
commit 52ed26235d
10 changed files with 141 additions and 20 deletions
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toolchain/check/cpp_thunk.cpp
+3 -1
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@@ -195,11 +195,13 @@ static auto CreateThunkFunctionDecl(
callee_function_decl.getReturnType(), thunk_param_types,
callee_function_type->getExtProtoInfo());
clang::DeclContext* decl_context = ast_context.getTranslationUnitDecl();
// TODO: Thunks should not have external linkage, consider using `SC_Static`.
clang::FunctionDecl* thunk_function_decl = clang::FunctionDecl::Create(
ast_context, ast_context.getTranslationUnitDecl(), clang_loc, clang_loc,
ast_context, decl_context, clang_loc, clang_loc,
clang::DeclarationName(&identifier_info), thunk_function_type,
/*TInfo=*/nullptr, clang::SC_Extern);
decl_context->addDecl(thunk_function_decl);
thunk_function_decl->setParams(BuildThunkParameters(
ast_context, callee_function_decl, thunk_function_decl));