X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fparser.cpp;h=7044a8c32f13452ca39df5f4a445cbaee5031ee6;hb=947bb7477205c038aa1804b84452cddd2108550a;hp=60cc3516b0750db9f131e8a665b135c89d7dab7b;hpb=af00eefb3f7da48ec4038357035980c31cbcb685;p=libs%2Fgl.git

diff --git a/source/glsl/parser.cpp b/source/glsl/parser.cpp
index 60cc3516..7044a8c3 100644
--- a/source/glsl/parser.cpp
+++ b/source/glsl/parser.cpp
@@ -17,7 +17,9 @@ Parser::Parser():
 {
 	tokenizer.signal_preprocess.connect(sigc::mem_fun(&preprocessor, &Preprocessor::preprocess));
 	preprocessor.signal_version.connect(sigc::mem_fun(this, &Parser::set_required_version));
+	preprocessor.signal_source.connect(sigc::mem_fun(this, &Parser::source_reference));
 	preprocessor.signal_stage_change.connect(sigc::mem_fun(this, &Parser::stage_change));
+	preprocessor.signal_line.connect(sigc::mem_fun(this, &Parser::line_change));
 }
 
 Parser::~Parser()
@@ -28,30 +30,31 @@ Parser::~Parser()
 Module &Parser::parse(const string &s, const string &n, unsigned i)
 {
 	source = s;
-	source_index = i;
-	parse_source(n);
+	parse_source(n, i);
 	return *module;
 }
 
 Module &Parser::parse(IO::Base &io, const string &n, unsigned i)
 {
 	source = string();
-	source_index = i;
 	while(!io.eof())
 	{
 		char buffer[4096];
 		unsigned len = io.read(buffer, sizeof(buffer));
 		source.append(buffer, len);
 	}
-	parse_source(n);
+	parse_source(n, i);
 	return *module;
 }
 
-void Parser::parse_source(const string &name)
+void Parser::parse_source(const string &name, unsigned index)
 {
 	delete module;
 	module = new Module;
 	cur_stage = &module->shared;
+	base_index = index;
+	source_index = index;
+	source_reference(1, name);
 	tokenizer.begin(name, source);
 	while(RefPtr<Statement> statement = parse_global_declaration())
 		cur_stage->content.body.push_back(statement);
@@ -62,6 +65,14 @@ void Parser::set_required_version(const Version &ver)
 	cur_stage->required_version = ver;
 }
 
+void Parser::source_reference(unsigned index, const string &name)
+{
+	if(index<1)
+		throw invalid_shader_source(tokenizer.get_location(), "Invalid source reference");
+
+	module->source_map.set_name(base_index+index-1, name);
+}
+
 void Parser::stage_change(Stage::Type stage)
 {
 	if(!allow_stage_change)
@@ -76,6 +87,21 @@ void Parser::stage_change(Stage::Type stage)
 	cur_stage = &module->stages.back();
 }
 
+void Parser::line_change(int index, unsigned line)
+{
+	if(index>0)
+		source_index = base_index+index-1;
+	else if(index==0)
+		source_index = 0;
+	else
+		index = source_index;
+
+	string name = module->source_map.get_name(index);
+	if(name.empty())
+		name = format("<%d>", index);
+	tokenizer.set_location(Location(name, line));
+}
+
 string Parser::expect_type()
 {
 	string token = tokenizer.parse_token();