1 #ifndef MSP_GL_SL_RESOLVE_H_
2 #define MSP_GL_SL_RESOLVE_H_
14 /** Forms links between nested blocks in the syntax tree. */
15 class BlockHierarchyResolver: private TraversingVisitor
21 BlockHierarchyResolver(): r_any_resolved(false) { }
23 bool apply(Stage &s) { r_any_resolved = false; s.content.visit(*this); return r_any_resolved; }
26 virtual void enter(Block &);
29 /** Resolves types of variables and base types of other types. */
30 class TypeResolver: private TraversingVisitor
34 std::map<TypeDeclaration *, TypeDeclaration *> alias_map;
35 std::map<TypeDeclaration *, TypeDeclaration *> array_types;
36 NodeList<Statement>::iterator type_insert_point;
37 InterfaceBlock *iface_block;
46 TypeDeclaration *get_or_create_array_type(TypeDeclaration &);
47 void resolve_type(TypeDeclaration *&, const std::string &, bool);
48 virtual void visit(Block &);
49 virtual void visit(BasicTypeDeclaration &);
50 virtual void visit(ImageTypeDeclaration &);
51 virtual void visit(StructDeclaration &);
52 virtual void visit(VariableDeclaration &);
53 virtual void visit(InterfaceBlock &);
54 virtual void visit(FunctionDeclaration &);
57 /** Resolves variable references. Variable references which match the name
58 of an interface block are turned into interface block references. */
59 class VariableResolver: private TraversingVisitor
63 RefPtr<Expression> r_replacement_expr;
66 bool r_self_referencing;
67 Assignment::Target r_assignment_target;
68 std::vector<VariableDeclaration *> redeclared_builtins;
69 std::set<Node *> nodes_to_remove;
77 virtual void enter(Block &);
78 virtual void visit(RefPtr<Expression> &);
79 void check_assignment_target(Statement *);
80 virtual void visit(VariableReference &);
81 virtual void visit(InterfaceBlockReference &);
82 virtual void visit(MemberAccess &);
83 virtual void visit(Swizzle &);
84 virtual void visit(BinaryExpression &);
85 virtual void visit(Assignment &);
86 void merge_layouts(Layout &, const Layout &);
87 virtual void visit(VariableDeclaration &);
88 virtual void visit(InterfaceBlock &);
91 /** Resolves types and lvalueness of expressions. */
92 class ExpressionResolver: private TraversingVisitor
105 BasicTypeDeclaration *type;
106 unsigned component_count;
108 ArgumentInfo(): type(0), component_count(0) { }
112 std::vector<BasicTypeDeclaration *> basic_types;
113 NodeList<Statement>::iterator insert_point;
117 ExpressionResolver();
122 static Compatibility get_compatibility(BasicTypeDeclaration &, BasicTypeDeclaration &);
123 BasicTypeDeclaration *find_type(BasicTypeDeclaration::Kind, unsigned, bool = true);
124 BasicTypeDeclaration *find_type(BasicTypeDeclaration &, BasicTypeDeclaration::Kind, unsigned);
125 void convert_to(RefPtr<Expression> &, BasicTypeDeclaration &);
126 bool convert_to_element(RefPtr<Expression> &, BasicTypeDeclaration &);
127 bool truncate_vector(RefPtr<Expression> &, unsigned);
128 void resolve(Expression &, TypeDeclaration *, bool);
130 virtual void visit(Block &);
131 virtual void visit(Literal &);
132 virtual void visit(VariableReference &);
133 virtual void visit(InterfaceBlockReference &);
134 virtual void visit(MemberAccess &);
135 virtual void visit(Swizzle &);
136 virtual void visit(UnaryExpression &);
137 void visit(BinaryExpression &, bool);
138 virtual void visit(BinaryExpression &);
139 virtual void visit(Assignment &);
140 virtual void visit(TernaryExpression &);
141 void visit_constructor(FunctionCall &);
142 virtual void visit(FunctionCall &);
143 virtual void visit(BasicTypeDeclaration &);
144 virtual void visit(VariableDeclaration &);
147 /** Resolves function declarations and calls. */
148 class FunctionResolver: private TraversingVisitor
152 std::map<std::string, std::vector<FunctionDeclaration *> > declarations;
159 static bool can_convert_arguments(const FunctionCall &, const FunctionDeclaration &);
161 virtual void visit(FunctionCall &);
162 virtual void visit(FunctionDeclaration &);