X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fcompiler.cpp;h=35977cb42be534077bca6c9f3427fbbcc158d443;hb=ff8a0248f1a3c0c1f48f670867bc9106c898c55b;hp=e6c035775a89b0ff1aaa98464755d031a73fed98;hpb=7a16308e72aef363727b21348779673edf8e5c07;p=libs%2Fgl.git

diff --git a/source/glsl/compiler.cpp b/source/glsl/compiler.cpp
index e6c03577..35977cb4 100644
--- a/source/glsl/compiler.cpp
+++ b/source/glsl/compiler.cpp
@@ -1,14 +1,13 @@
 #include <msp/core/algorithm.h>
 #include <msp/gl/extensions/ext_gpu_shader4.h>
 #include <msp/strings/format.h>
-#include <msp/strings/regex.h>
-#include <msp/strings/utils.h>
 #include "compatibility.h"
 #include "compiler.h"
 #include "error.h"
 #include "generate.h"
 #include "optimize.h"
 #include "output.h"
+#include "resources.h"
 #include "shader.h"
 
 #undef interface
@@ -20,7 +19,6 @@ namespace GL {
 namespace SL {
 
 Compiler::Compiler():
-	resources(0),
 	module(0)
 { }
 
@@ -29,31 +27,48 @@ Compiler::~Compiler()
 	delete module;
 }
 
-void Compiler::compile(const string &source, const string &src_name)
+void Compiler::clear()
 {
-	resources = 0;
 	delete module;
 	module = new Module();
+	imported_names.clear();
+	module->source_map.set_name(0, "<generated>");
+}
+
+void Compiler::set_source(const string &source, const string &src_name)
+{
+	clear();
 	Parser parser;
 	imported_names.push_back(src_name);
-	append_module(parser.parse(source, src_name, 1));
-	process();
+	append_module(parser.parse(source, src_name, 1), 0);
 }
 
-void Compiler::compile(IO::Base &io, Resources *res, const string &src_name)
+void Compiler::load_source(IO::Base &io, DataFile::Collection *res, const string &src_name)
 {
-	resources = res;
-	delete module;
-	module = new Module();
+	clear();
 	Parser parser;
 	imported_names.push_back(src_name);
-	append_module(parser.parse(io, src_name, 1));
-	process();
+	append_module(parser.parse(io, src_name, 1), res);
 }
 
-void Compiler::compile(IO::Base &io, const string &src_name)
+void Compiler::load_source(IO::Base &io, const string &src_name)
 {
-	compile(io, 0, src_name);
+	load_source(io, 0, src_name);
+}
+
+void Compiler::compile()
+{
+	for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+		generate(*i);
+	for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); )
+	{
+		if(optimize(*i))
+			i = module->stages.begin();
+		else
+			++i;
+	}
+	for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+		finalize(*i);
 }
 
 void Compiler::add_shaders(Program &program)
@@ -65,17 +80,19 @@ void Compiler::add_shaders(Program &program)
 	{
 		for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
 		{
+			string stage_src = Formatter().apply(*i);
+
 			if(i->type==Stage::VERTEX)
 			{
-				program.attach_shader_owned(new VertexShader(apply<Formatter>(*i)));
+				program.attach_shader_owned(new VertexShader(stage_src));
 				for(map<string, unsigned>::iterator j=i->locations.begin(); j!=i->locations.end(); ++j)
 					program.bind_attribute(j->second, j->first);
 			}
 			else if(i->type==Stage::GEOMETRY)
-				program.attach_shader_owned(new GeometryShader(apply<Formatter>(*i)));
+				program.attach_shader_owned(new GeometryShader(stage_src));
 			else if(i->type==Stage::FRAGMENT)
 			{
-				program.attach_shader_owned(new FragmentShader(apply<Formatter>(*i)));
+				program.attach_shader_owned(new FragmentShader(stage_src));
 				if(EXT_gpu_shader4)
 				{
 					for(map<string, unsigned>::iterator j=i->locations.begin(); j!=i->locations.end(); ++j)
@@ -86,48 +103,18 @@ void Compiler::add_shaders(Program &program)
 	}
 	catch(const compile_error &e)
 	{
-		static const Regex r_message("^(([0-9]+)\\(([0-9]+)\\) :|ERROR: ([0-9]+):([0-9]+):) (.*)$");
-		vector<string> lines = split(e.what(), '\n');
-		string translated;
-		for(vector<string>::const_iterator i=lines.begin(); i!=lines.end(); ++i)
-		{
-			RegMatch m = r_message.match(*i);
-			if(m)
-			{
-				unsigned index = 0;
-				unsigned line = 0;
-				if(m[2])
-				{
-					index = lexical_cast<unsigned>(m[2].str);
-					line = lexical_cast<unsigned>(m[3].str);
-				}
-				else if(m[4])
-				{
-					index = lexical_cast<unsigned>(m[4].str);
-					line = lexical_cast<unsigned>(m[5].str);
-				}
-				const char *src = "<unknown>";
-				if(index==0)
-					src = "<generated>";
-				else if(index-1<imported_names.size())
-					src = imported_names[index-1].c_str();
-				translated += format("%s:%d: %s", src, line, m[6].str);
-			}
-			else
-				translated += *i;
-			translated += '\n';
-		}
-
-		throw compile_error(translated);
+		throw compile_error(module->source_map.translate_errors(e.what()));
 	}
 }
 
-void Compiler::append_module(Module &mod)
+void Compiler::append_module(Module &mod, DataFile::Collection *res)
 {
-	vector<Import *> imports = apply<NodeGatherer<Import> >(mod.shared);
+	module->source_map.merge_from(mod.source_map);
+
+	vector<Import *> imports = NodeGatherer<Import>().apply(mod.shared);
 	for(vector<Import *>::iterator i=imports.begin(); i!=imports.end(); ++i)
-		import((*i)->module);
-	apply<NodeRemover>(mod.shared, set<Node *>(imports.begin(), imports.end()));
+		import(res, (*i)->module);
+	NodeRemover().apply(mod.shared, set<Node *>(imports.begin(), imports.end()));
 
 	append_stage(mod.shared);
 	for(list<Stage>::iterator i=mod.stages.begin(); i!=mod.stages.end(); ++i)
@@ -160,25 +147,10 @@ void Compiler::append_stage(Stage &stage)
 		target->required_version = stage.required_version;
 	for(NodeList<Statement>::iterator i=stage.content.body.begin(); i!=stage.content.body.end(); ++i)
 		target->content.body.push_back(*i);
-	apply<DeclarationCombiner>(*target);
+	DeclarationCombiner().apply(*target);
 }
 
-void Compiler::process()
-{
-	for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
-		generate(*i);
-	for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); )
-	{
-		if(optimize(*i))
-			i = module->stages.begin();
-		else
-			++i;
-	}
-	for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
-		finalize(*i);
-}
-
-void Compiler::import(const string &name)
+void Compiler::import(DataFile::Collection *resources, const string &name)
 {
 	string fn = name+".glsl";
 	if(find(imported_names, fn)!=imported_names.end())
@@ -189,7 +161,7 @@ void Compiler::import(const string &name)
 	if(!io)
 		throw runtime_error(format("module %s not found", name));
 	Parser import_parser;
-	append_module(import_parser.parse(*io, fn, imported_names.size()));
+	append_module(import_parser.parse(*io, fn, module->source_map.get_count()), resources);
 }
 
 void Compiler::generate(Stage &stage)
@@ -198,37 +170,34 @@ void Compiler::generate(Stage &stage)
 		stage.required_version = module->shared.required_version;
 	inject_block(stage.content, module->shared.content);
 
-	apply<DeclarationReorderer>(stage);
-	apply<FunctionResolver>(stage);
-	apply<VariableResolver>(stage);
-	apply<InterfaceGenerator>(stage);
-	apply<VariableResolver>(stage);
-	apply<DeclarationReorderer>(stage);
-	apply<FunctionResolver>(stage);
-	apply<LegacyConverter>(stage);
+	DeclarationReorderer().apply(stage);
+	FunctionResolver().apply(stage);
+	VariableResolver().apply(stage);
+	InterfaceGenerator().apply(stage);
+	VariableResolver().apply(stage);
+	DeclarationReorderer().apply(stage);
+	FunctionResolver().apply(stage);
+	LegacyConverter().apply(stage);
 }
 
 bool Compiler::optimize(Stage &stage)
 {
-	apply<ConstantConditionEliminator>(stage);
+	ConstantConditionEliminator().apply(stage);
 
-	set<FunctionDeclaration *> inlineable = apply<InlineableFunctionLocator>(stage);
-	apply<FunctionInliner>(stage, inlineable);
+	FunctionInliner().apply(stage);
 
-	set<Node *> unused = apply<UnusedVariableLocator>(stage);
-	set<Node *> unused2 = apply<UnusedFunctionLocator>(stage);
-	unused.insert(unused2.begin(), unused2.end());
-	apply<NodeRemover>(stage, unused);
+	bool result = UnusedVariableRemover().apply(stage);
+	result |= UnusedFunctionRemover().apply(stage);
 
-	return !unused.empty();
+	return result;
 }
 
 void Compiler::finalize(Stage &stage)
 {
 	if(get_gl_api()==OPENGL_ES2)
-		apply<DefaultPrecisionGenerator>(stage);
+		DefaultPrecisionGenerator().apply(stage);
 	else
-		apply<PrecisionRemover>(stage);
+		PrecisionRemover().apply(stage);
 }
 
 void Compiler::inject_block(Block &target, const Block &source)
@@ -238,22 +207,6 @@ void Compiler::inject_block(Block &target, const Block &source)
 		target.body.insert(insert_point, (*i)->clone());
 }
 
-template<typename T>
-typename T::ResultType Compiler::apply(Stage &stage)
-{
-	T visitor;
-	visitor.apply(stage);
-	return visitor.get_result();
-}
-
-template<typename T, typename A>
-typename T::ResultType Compiler::apply(Stage &stage, const A &arg)
-{
-	T visitor(arg);
-	visitor.apply(stage);
-	return visitor.get_result();
-}
-
 } // namespace SL
 } // namespace GL
 } // namespace Msp