From 2e0ed3f7d23f09de7b4b09c2f132c316ce703d9a Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 13 Mar 2021 21:36:56 +0200
Subject: [PATCH] Resolve constructors in FunctionResolver

---
 source/glsl/generate.cpp | 32 +++++++++++++++++++-------------
 source/glsl/parser.cpp   |  1 -
 2 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/source/glsl/generate.cpp b/source/glsl/generate.cpp
index 9dff1e60..11116b11 100644
--- a/source/glsl/generate.cpp
+++ b/source/glsl/generate.cpp
@@ -937,22 +937,28 @@ bool FunctionResolver::apply(Stage &s)
 
 void FunctionResolver::visit(FunctionCall &call)
 {
-	string arg_types;
-	bool has_signature = true;
-	for(NodeArray<Expression>::const_iterator i=call.arguments.begin(); (has_signature && i!=call.arguments.end()); ++i)
-	{
-		if((*i)->type)
-			append(arg_types, ",", (*i)->type->name);
-		else
-			has_signature = false;
-	}
-
 	FunctionDeclaration *declaration = 0;
-	if(has_signature)
+	if(stage->types.count(call.name))
+		call.constructor = true;
+	else
 	{
-		map<string, FunctionDeclaration *>::iterator i = stage->functions.find(format("%s(%s)", call.name, arg_types));
-		declaration = (i!=stage->functions.end() ? i->second : 0);
+		string arg_types;
+		bool has_signature = true;
+		for(NodeArray<Expression>::const_iterator i=call.arguments.begin(); (has_signature && i!=call.arguments.end()); ++i)
+		{
+			if((*i)->type)
+				append(arg_types, ",", (*i)->type->name);
+			else
+				has_signature = false;
+		}
+
+		if(has_signature)
+		{
+			map<string, FunctionDeclaration *>::iterator i = stage->functions.find(format("%s(%s)", call.name, arg_types));
+			declaration = (i!=stage->functions.end() ? i->second : 0);
+		}
 	}
+
 	r_any_resolved |= (declaration!=call.declaration);
 	call.declaration = declaration;
 
diff --git a/source/glsl/parser.cpp b/source/glsl/parser.cpp
index a2e3296d..8f2160a6 100644
--- a/source/glsl/parser.cpp
+++ b/source/glsl/parser.cpp
@@ -575,7 +575,6 @@ RefPtr<FunctionCall> Parser::parse_function_call(const VariableReference &var)
 {
 	RefPtr<FunctionCall> call = create_node<FunctionCall>();
 	call->name = var.name;
-	call->constructor = is_type(call->name);
 	call->oper = &Operator::get_operator("(", Operator::POSTFIX);
 	tokenizer.expect("(");
 	while(tokenizer.peek_token()!=")")
-- 
2.43.0