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
18 bool r_any_resolved = false;
21 bool apply(Stage &s) { r_any_resolved = false; s.content.visit(*this); return r_any_resolved; }
24 virtual void enter(Block &);
27 /** Resolves types of variables and base types of other types. */
28 class TypeResolver: private TraversingVisitor
32 std::map<TypeDeclaration *, TypeDeclaration *> alias_map;
33 std::map<TypeDeclaration *, TypeDeclaration *> array_types;
34 NodeList<Statement>::iterator type_insert_point;
35 InterfaceBlock *iface_block = 0;
36 bool r_any_resolved = false;
42 TypeDeclaration *get_or_create_array_type(TypeDeclaration &);
43 void resolve_type(TypeDeclaration *&, const std::string &, bool);
44 virtual void visit(Block &);
45 virtual void visit(BasicTypeDeclaration &);
46 virtual void visit(ImageTypeDeclaration &);
47 virtual void visit(StructDeclaration &);
48 virtual void visit(VariableDeclaration &);
49 virtual void visit(InterfaceBlock &);
50 virtual void visit(FunctionDeclaration &);
53 /** Resolves variable references. Variable references which match the name
54 of an interface block are turned into interface block references. */
55 class VariableResolver: private TraversingVisitor
59 RefPtr<Expression> r_replacement_expr;
60 bool r_any_resolved = false;
61 bool record_target = false;
62 bool r_self_referencing = false;
63 Assignment::Target r_assignment_target;
64 std::vector<Statement *> redeclared_builtins;
65 std::set<Node *> nodes_to_remove;
71 virtual void enter(Block &);
72 virtual void visit(RefPtr<Expression> &);
73 void check_assignment_target(Statement *);
74 virtual void visit(VariableReference &);
75 virtual void visit(InterfaceBlockReference &);
76 virtual void visit(MemberAccess &);
77 virtual void visit(Swizzle &);
78 virtual void visit(BinaryExpression &);
79 virtual void visit(Assignment &);
80 void merge_layouts(Layout &, const Layout &);
81 void redeclare_builtin(VariableDeclaration &, VariableDeclaration &);
82 virtual void visit(VariableDeclaration &);
83 virtual void visit(InterfaceBlock &);
86 /** Resolves types and lvalueness of expressions. */
87 class ExpressionResolver: private TraversingVisitor
100 BasicTypeDeclaration *type = 0;
101 unsigned component_count = 0;
105 const FunctionDeclaration *current_function = 0;
106 std::vector<BasicTypeDeclaration *> basic_types;
107 NodeList<Statement>::iterator insert_point;
108 bool r_any_resolved = false;
114 static Compatibility get_compatibility(BasicTypeDeclaration &, BasicTypeDeclaration &);
115 BasicTypeDeclaration *find_type(BasicTypeDeclaration::Kind, unsigned, bool = true);
116 BasicTypeDeclaration *find_type(BasicTypeDeclaration &, BasicTypeDeclaration::Kind, unsigned);
117 void convert_to(RefPtr<Expression> &, BasicTypeDeclaration &);
118 bool convert_to_element(RefPtr<Expression> &, BasicTypeDeclaration &);
119 bool truncate_vector(RefPtr<Expression> &, unsigned);
120 void resolve(Expression &, TypeDeclaration *, bool);
122 virtual void visit(Block &);
123 virtual void visit(Literal &);
124 virtual void visit(VariableReference &);
125 virtual void visit(InterfaceBlockReference &);
126 virtual void visit(MemberAccess &);
127 virtual void visit(Swizzle &);
128 virtual void visit(UnaryExpression &);
129 void visit(BinaryExpression &, bool);
130 virtual void visit(BinaryExpression &);
131 virtual void visit(Assignment &);
132 virtual void visit(TernaryExpression &);
133 void visit_constructor(FunctionCall &);
134 virtual void visit(FunctionCall &);
135 virtual void visit(BasicTypeDeclaration &);
136 virtual void visit(VariableDeclaration &);
137 virtual void visit(FunctionDeclaration &);
138 virtual void visit(Return &);
141 /** Resolves function declarations and calls. */
142 class FunctionResolver: private TraversingVisitor
146 std::map<std::string, std::vector<FunctionDeclaration *> > declarations;
147 bool r_any_resolved = false;
153 static bool can_convert_arguments(const FunctionCall &, const FunctionDeclaration &);
155 virtual void visit(FunctionCall &);
156 virtual void visit(FunctionDeclaration &);