X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Fsyntax.cpp;h=bb8d7dab046f2ea1293927d93aa3e415818e12d4;hp=bbd364c0730d7cca157376ad34bbdbd028ec1581;hb=b7ecc29c204faede028556d1942b2d61d5cda9ee;hpb=911c6c4acc8218bc40d93917207f9dc32e9f2596

diff --git a/source/glsl/syntax.cpp b/source/glsl/syntax.cpp
index bbd364c0..bb8d7dab 100644
--- a/source/glsl/syntax.cpp
+++ b/source/glsl/syntax.cpp
@@ -1,3 +1,4 @@
+#include <msp/core/algorithm.h>
 #include <msp/core/maputils.h>
 #include "syntax.h"
 #include "visitor.h"
@@ -69,8 +70,8 @@ template<typename C>
 NodeContainer<C>::NodeContainer(const NodeContainer &c):
 	C(c)
 {
-	for(typename C::iterator i=this->begin(); i!=this->end(); ++i)
-		*i = (*i)->clone();
+	for(auto &i: *this)
+		i = i->clone();
 }
 
 
@@ -105,12 +106,6 @@ void Literal::visit(NodeVisitor &visitor)
 }
 
 
-void ParenthesizedExpression::visit(NodeVisitor &visitor)
-{
-	visitor.visit(*this);
-}
-
-
 VariableReference::VariableReference():
 	declaration(0)
 { }
@@ -144,14 +139,16 @@ void InterfaceBlockReference::visit(NodeVisitor &visitor)
 
 
 MemberAccess::MemberAccess():
-	declaration(0)
+	declaration(0),
+	index(-1)
 { }
 
 MemberAccess::MemberAccess(const MemberAccess &other):
 	Expression(other),
 	left(other.left),
 	member(other.member),
-	declaration(0)
+	declaration(0),
+	index(-1)
 { }
 
 void MemberAccess::visit(NodeVisitor &visitor)
@@ -275,6 +272,7 @@ void InterfaceLayout::visit(NodeVisitor &visitor)
 BasicTypeDeclaration::BasicTypeDeclaration():
 	kind(ALIAS),
 	size(0),
+	sign(true),
 	base_type(0)
 { }
 
@@ -282,6 +280,7 @@ BasicTypeDeclaration::BasicTypeDeclaration(const BasicTypeDeclaration &other):
 	TypeDeclaration(other),
 	kind(other.kind),
 	size(other.size),
+	sign(other.sign),
 	base(other.base),
 	base_type(0)
 { }
@@ -375,7 +374,7 @@ InterfaceBlock::InterfaceBlock():
 InterfaceBlock::InterfaceBlock(const InterfaceBlock &other):
 	Statement(other),
 	interface(other.interface),
-	name(other.name),
+	block_name(other.block_name),
 	members(other.members),
 	instance_name(other.instance_name),
 	array(other.array),
@@ -461,7 +460,7 @@ Stage::Stage(Stage::Type t):
 
 const char *Stage::get_stage_name(Type type)
 {
-	static const char *names[] = { "shared", "vertex", "geometry", "fragment" };
+	static const char *const names[] = { "shared", "vertex", "geometry", "fragment" };
 	return names[type];
 }
 
@@ -470,6 +469,40 @@ Module::Module():
 	shared(Stage::SHARED)
 { }
 
+
+string get_unused_variable_name(const Block &block, const string &base)
+{
+	string name = base;
+
+	unsigned number = 1;
+	unsigned base_size = name.size();
+	while(1)
+	{
+		bool unused = true;
+		for(const Block *b=&block; (unused && b); b=b->parent)
+			unused = !b->variables.count(name);
+		if(unused)
+			return name;
+
+		name.erase(base_size);
+		name += format("_%d", number);
+		++number;
+	}
+}
+
+int get_layout_value(const Layout &layout, const string &name, int def_value)
+{
+	auto i = find_member(layout.qualifiers, name, &Layout::Qualifier::name);
+	return (i!=layout.qualifiers.end() ? i->value : def_value);
+}
+
+void add_to_chain(Assignment::Target &target, Assignment::Target::ChainType type, unsigned index)
+{
+	if(target.chain_len<7)
+		target.chain[target.chain_len] = type | min<unsigned>(index, 0x3F);
+	++target.chain_len;
+}
+
 } // namespace SL
 } // namespace GL
 } // namespace Msp