Improve support for interface blocks

[libs/gl.git] / source / glsl / syntax.h

diff --git a/source/glsl/syntax.h b/source/glsl/syntax.h
index 549e5e895add03fb41f8b62b3c038a1be01326cb..f7e778b89ef65d417afd1f44751930311c5e94ed 100644 (file)
--- a/source/glsl/syntax.h
+++ b/source/glsl/syntax.h
@@ -3,11 +3,12 @@
 
 #include <list>
 #include <map>
+#include <set>
 #include <string>
 #include <vector>
 #include <msp/core/refptr.h>
-#include "extension.h"
-#include "uniform.h"
+#include "features.h"
+#include "sourcemap.h"
 
 #pragma push_macro("interface")
 #undef interface
@@ -90,6 +91,7 @@ class NodeArray: public NodeContainer<std::vector<RefPtr<T> > >
 
 struct StructDeclaration;
 struct VariableDeclaration;
+struct InterfaceBlock;
 struct FunctionDeclaration;
 
 struct Statement: Node
@@ -108,8 +110,11 @@ struct Block: Node
        bool use_braces;
        std::map<std::string, StructDeclaration *> types;
        std::map<std::string, VariableDeclaration *> variables;
+       std::map<std::string, InterfaceBlock *> interfaces;
+       Block *parent;
 
        Block();
+       Block(const Block &);
 
        virtual Block *clone() const { return new Block(*this); }
        virtual void visit(NodeVisitor &);
@@ -142,17 +147,33 @@ struct VariableReference: Expression
        VariableDeclaration *declaration;
 
        VariableReference();
+       VariableReference(const VariableReference &);
 
        virtual VariableReference *clone() const { return new VariableReference(*this); }
        virtual void visit(NodeVisitor &);
 };
 
+struct InterfaceBlockReference: Expression
+{
+       std::string name;
+       InterfaceBlock *declaration;
+
+       InterfaceBlockReference();
+       InterfaceBlockReference(const InterfaceBlockReference &);
+
+       virtual InterfaceBlockReference *clone() const { return new InterfaceBlockReference(*this); }
+       virtual void visit(NodeVisitor &);
+};
+
 struct MemberAccess: Expression
 {
        NodePtr<Expression> left;
        std::string member;
        VariableDeclaration *declaration;
 
+       MemberAccess();
+       MemberAccess(const MemberAccess &);
+
        virtual MemberAccess *clone() const { return new MemberAccess(*this); }
        virtual void visit(NodeVisitor &);
 };
@@ -186,6 +207,7 @@ struct Assignment: BinaryExpression
        VariableDeclaration *target_declaration;
 
        Assignment();
+       Assignment(const Assignment &);
 
        virtual Assignment *clone() const { return new Assignment(*this); }
        virtual void visit(NodeVisitor &);
@@ -199,6 +221,7 @@ struct FunctionCall: Expression
        NodeArray<Expression> arguments;
 
        FunctionCall();
+       FunctionCall(const FunctionCall &);
 
        virtual FunctionCall *clone() const { return new FunctionCall(*this); }
        virtual void visit(NodeVisitor &);
@@ -233,9 +256,9 @@ struct Layout: Node
 {
        struct Qualifier
        {
-               // TODO the standard calls this name, not identifier
-               std::string identifier;
-               std::string value;
+               std::string name;
+               bool has_value;
+               int value;
        };
 
        std::vector<Qualifier> qualifiers;
@@ -281,6 +304,7 @@ struct VariableDeclaration: Statement
        NodePtr<Layout> layout;
 
        VariableDeclaration();
+       VariableDeclaration(const VariableDeclaration &);
 
        virtual VariableDeclaration *clone() const { return new VariableDeclaration(*this); }
        virtual void visit(NodeVisitor &);
@@ -293,8 +317,10 @@ struct InterfaceBlock: Statement
        Block members;
        std::string instance_name;
        bool array;
+       InterfaceBlock *linked_block;
 
        InterfaceBlock();
+       InterfaceBlock(const InterfaceBlock &);
 
        virtual InterfaceBlock *clone() const { return new InterfaceBlock(*this); }
        virtual void visit(NodeVisitor &);
@@ -360,30 +386,30 @@ struct Jump: Statement
        virtual void visit(NodeVisitor &);
 };
 
-enum StageType
-{
-       SHARED,
-       VERTEX,
-       GEOMETRY,
-       FRAGMENT
-};
-
 struct Stage
 {
-       StageType type;
+       enum Type
+       {
+               SHARED,
+               VERTEX,
+               GEOMETRY,
+               FRAGMENT
+       };
+
+       Type type;
        Stage *previous;
        Block content;
-       std::map<std::string, VariableDeclaration *> in_variables;
-       std::map<std::string, VariableDeclaration *> out_variables;
        std::map<std::string, unsigned> locations;
-       Version required_version;
-       std::vector<const Extension *> required_extensions;
+       Features required_features;
+
+       Stage(Type);
 
-       Stage(StageType);
+       static const char *get_stage_name(Type);
 };
 
 struct Module
 {
+       SourceMap source_map;
        Stage shared;
        std::list<Stage> stages;