X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Fsyntax.h;h=7fa116b717dd388e5a2acba6001dc34c74226bab;hp=30acca42b957bd42b547b642173032160fcdd0df;hb=3a1b9cbe2441ae670a97541dc8ccb0a2860c8302;hpb=041ba4b1acd55337239c5ce24cc310118c621206

diff --git a/source/glsl/syntax.h b/source/glsl/syntax.h
index 30acca42..7fa116b7 100644
--- a/source/glsl/syntax.h
+++ b/source/glsl/syntax.h
@@ -6,6 +6,7 @@
 #include <set>
 #include <string>
 #include <vector>
+#include <cstdint>
 #include <msp/core/refptr.h>
 #include <msp/core/variant.h>
 #include "features.h"
@@ -26,7 +27,8 @@ struct Operator
 		NO_OPERATOR,
 		BINARY,
 		PREFIX,
-		POSTFIX
+		POSTFIX,
+		TERNARY
 	};
 
 	enum Associativity
@@ -37,7 +39,8 @@ struct Operator
 	};
 
 	char token[4];
-	unsigned precedence;
+	char token2[2];
+	std::uint8_t precedence;
 	Type type;
 	Associativity assoc;
 
@@ -93,6 +96,9 @@ class NodeContainer: public C
 public:
 	NodeContainer() { }
 	NodeContainer(const NodeContainer &);
+
+	void push_back_nocopy(const typename C::value_type &v)
+	{ C::push_back(0); C::back() = v; }
 };
 
 template<typename T>
@@ -149,14 +155,6 @@ struct Literal: Expression
 	virtual void visit(NodeVisitor &);
 };
 
-struct ParenthesizedExpression: Expression
-{
-	NodePtr<Expression> expression;
-
-	virtual ParenthesizedExpression *clone() const { return new ParenthesizedExpression(*this); }
-	virtual void visit(NodeVisitor &);
-};
-
 struct VariableReference: Expression
 {
 	std::string name;
@@ -189,6 +187,7 @@ struct MemberAccess: Expression
 	std::string member;
 
 	VariableDeclaration *declaration;
+	int index;
 
 	MemberAccess();
 	MemberAccess(const MemberAccess &);
@@ -197,6 +196,19 @@ struct MemberAccess: Expression
 	virtual void visit(NodeVisitor &);
 };
 
+struct Swizzle: Expression
+{
+	NodePtr<Expression> left;
+	std::string component_group;
+	unsigned count;
+	std::uint8_t components[4];
+
+	Swizzle();
+
+	virtual Swizzle *clone() const { return new Swizzle(*this); }
+	virtual void visit(NodeVisitor &);
+};
+
 struct UnaryExpression: Expression
 {
 	NodePtr<Expression> expression;
@@ -216,9 +228,27 @@ struct BinaryExpression: Expression
 
 struct Assignment: BinaryExpression
 {
+	struct Target
+	{
+		enum ChainType
+		{
+			MEMBER = 0x40,
+			SWIZZLE = 0x80,
+			ARRAY = 0xC0
+		};
+
+		Statement *declaration;
+		std::uint8_t chain_len;
+		std::uint8_t chain[7];
+
+		Target(Statement * = 0);
+
+		bool operator<(const Target &) const;
+	};
+
 	bool self_referencing;
 
-	VariableDeclaration *target_declaration;
+	Target target;
 
 	Assignment();
 	Assignment(const Assignment &);
@@ -227,6 +257,16 @@ struct Assignment: BinaryExpression
 	virtual void visit(NodeVisitor &);
 };
 
+struct TernaryExpression: Expression
+{
+	NodePtr<Expression> condition;
+	NodePtr<Expression> true_expr;
+	NodePtr<Expression> false_expr;
+
+	virtual TernaryExpression *clone() const { return new TernaryExpression(*this); }
+	virtual void visit(NodeVisitor &);
+};
+
 struct FunctionCall: Expression
 {
 	std::string name;
@@ -274,6 +314,9 @@ struct Layout: Node
 		std::string name;
 		bool has_value;
 		int value;
+
+		Qualifier(const std::string &n = std::string()): name(n), has_value(false), value(0) { }
+		Qualifier(const std::string &n, int v): name(n), has_value(true), value(v) { }
 	};
 
 	std::vector<Qualifier> qualifiers;
@@ -314,6 +357,7 @@ struct BasicTypeDeclaration: TypeDeclaration
 
 	Kind kind;
 	unsigned size;
+	bool sign;
 	std::string base;
 
 	TypeDeclaration *base_type;
@@ -390,8 +434,9 @@ struct VariableDeclaration: Statement
 
 struct InterfaceBlock: Statement
 {
+	NodePtr<Layout> layout;
 	std::string interface;
-	std::string name;
+	std::string block_name;
 	NodePtr<Block> members;
 	std::string instance_name;
 	bool array;
@@ -415,8 +460,11 @@ struct FunctionDeclaration: Statement
 	std::string return_type;
 	std::string name;
 	NodeArray<VariableDeclaration> parameters;
+	bool virtua;
+	bool overrd;
 	Block body;
 
+	std::string signature;
 	FunctionDeclaration *definition;
 	TypeDeclaration *return_type_declaration;
 
@@ -489,6 +537,8 @@ struct Stage
 	std::map<std::string, InterfaceBlock *> interface_blocks;
 	std::map<std::string, FunctionDeclaration *> functions;
 	std::map<std::string, unsigned> locations;
+	std::map<std::string, unsigned> texture_bindings;
+	std::map<std::string, unsigned> uniform_block_bindings;
 	Features required_features;
 	std::vector<Diagnostic> diagnostics;
 
@@ -506,6 +556,11 @@ struct Module
 	Module();
 };
 
+std::string get_unused_variable_name(const Block &, const std::string &);
+
+int get_layout_value(const Layout &, const std::string &, int = -1);
+void add_to_chain(Assignment::Target &, Assignment::Target::ChainType, unsigned);
+
 } // namespace SL
 } // namespace GL
 } // namespace Msp