Implement an import system

[libs/gl.git] / source / programsyntax.h

diff --git a/source/programsyntax.h b/source/programsyntax.h
index cbce078e2d65c1eb74bb9985fa2639c4bc525326..9545760c47b31bd8cfa98f61ee59ef626d2d851c 100644 (file)
--- a/source/programsyntax.h
+++ b/source/programsyntax.h
@@ -126,14 +126,22 @@ struct BinaryExpression: Expression
        std::string oper;
        NodePtr<Expression> right;
        std::string after;
-       bool assignment;
-
-       BinaryExpression();
 
        virtual BinaryExpression *clone() const { return new BinaryExpression(*this); }
        virtual void visit(NodeVisitor &);
 };
 
+struct Assignment: BinaryExpression
+{
+       bool self_referencing;
+       VariableDeclaration *target_declaration;
+
+       Assignment();
+
+       virtual Assignment *clone() const { return new Assignment(*this); }
+       virtual void visit(NodeVisitor &);
+};
+
 struct FunctionCall: Expression
 {
        std::string name;
@@ -154,6 +162,14 @@ struct ExpressionStatement: Node
        virtual void visit(NodeVisitor &);
 };
 
+struct Import: Node
+{
+       std::string module;
+
+       virtual Import *clone() const { return new Import(*this); }
+       virtual void visit(NodeVisitor &);
+};
+
 struct Layout: Node
 {
        struct Qualifier
@@ -204,6 +220,8 @@ struct InterfaceBlock: Node
        std::string interface;
        std::string name;
        Block members;
+       std::string instance_name;
+       bool array;
 
        InterfaceBlock();
 
@@ -216,10 +234,11 @@ struct FunctionDeclaration: Node
        std::string return_type;
        std::string name;
        std::vector<NodePtr<VariableDeclaration> > parameters;
-       bool definition;
+       FunctionDeclaration *definition;
        Block body;
 
        FunctionDeclaration();
+       FunctionDeclaration(const FunctionDeclaration &);
 
        virtual FunctionDeclaration *clone() const { return new FunctionDeclaration(*this); }
        virtual void visit(NodeVisitor &);
@@ -273,8 +292,10 @@ struct NodeVisitor
        virtual void visit(MemberAccess &) { }
        virtual void visit(UnaryExpression &) { }
        virtual void visit(BinaryExpression &) { }
+       virtual void visit(Assignment &);
        virtual void visit(FunctionCall &) { }
        virtual void visit(ExpressionStatement &) { }
+       virtual void visit(Import &) { }
        virtual void visit(Layout &) { }
        virtual void visit(StructDeclaration &) { }
        virtual void visit(VariableDeclaration &) { }