Annotate function declarators.

src/shared/cplusplus/AST.h

@@ -711,6 +711,9 @@ public:
     SpecifierAST *cv_qualifier_seq;
     ExceptionSpecificationAST *exception_specification;
 
+public: // annotations
+    Function *symbol;
+
 public:
     virtual unsigned firstToken() const;
     virtual unsigned lastToken() const;

src/shared/cplusplus/CheckDeclarator.cpp

@@ -158,6 +158,7 @@ bool CheckDeclarator::visit(NestedDeclaratorAST *ast)
 bool CheckDeclarator::visit(FunctionDeclaratorAST *ast)
 {
     Function *fun = control()->newFunction(ast->firstToken());
+    ast->symbol = fun;
     fun->setReturnType(_fullySpecifiedType);
 
     if (ast->parameters) {