1 #ifndef MSP_GL_PROGRAMSYNTAX_H_
2 #define MSP_GL_PROGRAMSYNTAX_H_
8 #include <msp/core/refptr.h>
13 namespace ProgramSyntax {
20 Node &operator=(const Node &);
24 virtual Node *clone() const = 0;
25 virtual void visit(NodeVisitor &) = 0;
29 class NodePtr: public RefPtr<T>
33 NodePtr(T *p): RefPtr<T>(p) { }
34 NodePtr(const NodePtr &p): RefPtr<T>(p ? p->clone() : 0) { }
37 NodePtr(const RefPtr<U> &p): RefPtr<T>(p) { }
40 NodePtr(const NodePtr<U> &p): RefPtr<T>(p ? p->clone() : 0) { }
44 class NodeContainer: public C
48 NodeContainer(const NodeContainer &);
52 class NodeList: public NodeContainer<std::list<RefPtr<T> > >
56 class NodeArray: public NodeContainer<std::vector<RefPtr<T> > >
59 struct StructDeclaration;
60 struct VariableDeclaration;
61 struct FunctionDeclaration;
67 std::map<std::string, StructDeclaration *> types;
68 std::map<std::string, VariableDeclaration *> variables;
72 virtual Block *clone() const { return new Block(*this); }
73 virtual void visit(NodeVisitor &);
76 struct Expression: Node
78 virtual Expression *clone() const = 0;
81 struct Literal: Expression
85 virtual Literal *clone() const { return new Literal(*this); }
86 virtual void visit(NodeVisitor &);
89 struct ParenthesizedExpression: Expression
91 NodePtr<Expression> expression;
93 virtual ParenthesizedExpression *clone() const { return new ParenthesizedExpression(*this); }
94 virtual void visit(NodeVisitor &);
97 struct VariableReference: Expression
100 VariableDeclaration *declaration;
104 virtual VariableReference *clone() const { return new VariableReference(*this); }
105 virtual void visit(NodeVisitor &);
108 struct MemberAccess: Expression
110 NodePtr<Expression> left;
112 VariableDeclaration *declaration;
114 virtual MemberAccess *clone() const { return new MemberAccess(*this); }
115 virtual void visit(NodeVisitor &);
118 struct UnaryExpression: Expression
121 NodePtr<Expression> expression;
126 virtual UnaryExpression *clone() const { return new UnaryExpression(*this); }
127 virtual void visit(NodeVisitor &);
130 struct BinaryExpression: Expression
132 NodePtr<Expression> left;
134 NodePtr<Expression> right;
137 virtual BinaryExpression *clone() const { return new BinaryExpression(*this); }
138 virtual void visit(NodeVisitor &);
141 struct Assignment: BinaryExpression
143 bool self_referencing;
144 VariableDeclaration *target_declaration;
148 virtual Assignment *clone() const { return new Assignment(*this); }
149 virtual void visit(NodeVisitor &);
152 struct FunctionCall: Expression
155 FunctionDeclaration *declaration;
157 NodeArray<Expression> arguments;
161 virtual FunctionCall *clone() const { return new FunctionCall(*this); }
162 virtual void visit(NodeVisitor &);
165 struct ExpressionStatement: Node
167 NodePtr<Expression> expression;
169 virtual ExpressionStatement *clone() const { return new ExpressionStatement(*this); }
170 virtual void visit(NodeVisitor &);
177 virtual Import *clone() const { return new Import(*this); }
178 virtual void visit(NodeVisitor &);
185 std::string identifier;
189 std::vector<Qualifier> qualifiers;
191 virtual Layout *clone() const { return new Layout(*this); }
192 virtual void visit(NodeVisitor &);
195 struct InterfaceLayout: Node
197 std::string interface;
200 virtual InterfaceLayout *clone() const { return new InterfaceLayout(*this); }
201 virtual void visit(NodeVisitor &);
204 struct StructDeclaration: Node
211 virtual StructDeclaration *clone() const { return new StructDeclaration(*this); }
212 virtual void visit(NodeVisitor &);
215 struct VariableDeclaration: Node
218 std::string sampling;
219 std::string interface;
221 StructDeclaration *type_declaration;
224 NodePtr<Expression> array_size;
225 NodePtr<Expression> init_expression;
226 VariableDeclaration *linked_declaration;
227 NodePtr<Layout> layout;
229 VariableDeclaration();
231 virtual VariableDeclaration *clone() const { return new VariableDeclaration(*this); }
232 virtual void visit(NodeVisitor &);
235 struct InterfaceBlock: Node
237 std::string interface;
240 std::string instance_name;
245 virtual InterfaceBlock *clone() const { return new InterfaceBlock(*this); }
246 virtual void visit(NodeVisitor &);
249 struct FunctionDeclaration: Node
251 std::string return_type;
253 NodeArray<VariableDeclaration> parameters;
254 FunctionDeclaration *definition;
257 FunctionDeclaration();
258 FunctionDeclaration(const FunctionDeclaration &);
260 virtual FunctionDeclaration *clone() const { return new FunctionDeclaration(*this); }
261 virtual void visit(NodeVisitor &);
264 struct Conditional: Node
266 NodePtr<Expression> condition;
270 virtual Conditional *clone() const { return new Conditional(*this); }
271 virtual void visit(NodeVisitor &);
274 struct Iteration: Node
276 NodePtr<Node> init_statement;
277 NodePtr<Expression> condition;
278 NodePtr<Expression> loop_expression;
281 virtual Iteration *clone() const { return new Iteration(*this); }
282 virtual void visit(NodeVisitor &);
285 struct Passthrough: Node
287 NodePtr<Expression> subscript;
289 virtual Passthrough *clone() const { return new Passthrough(*this); }
290 virtual void visit(NodeVisitor &);
295 NodePtr<Expression> expression;
297 virtual Return *clone() const { return new Return(*this); }
298 virtual void visit(NodeVisitor &);
303 virtual ~NodeVisitor() { }
305 virtual void visit(Block &) { }
306 virtual void visit(Literal &) { }
307 virtual void visit(ParenthesizedExpression &) { }
308 virtual void visit(VariableReference &) { }
309 virtual void visit(MemberAccess &) { }
310 virtual void visit(UnaryExpression &) { }
311 virtual void visit(BinaryExpression &) { }
312 virtual void visit(Assignment &);
313 virtual void visit(FunctionCall &) { }
314 virtual void visit(ExpressionStatement &) { }
315 virtual void visit(Import &) { }
316 virtual void visit(Layout &) { }
317 virtual void visit(InterfaceLayout &) { }
318 virtual void visit(StructDeclaration &) { }
319 virtual void visit(VariableDeclaration &) { }
320 virtual void visit(InterfaceBlock &) { }
321 virtual void visit(FunctionDeclaration &) { }
322 virtual void visit(Conditional &) { }
323 virtual void visit(Iteration &) { }
324 virtual void visit(Passthrough &) { }
325 virtual void visit(Return &) { }
328 struct TraversingVisitor: NodeVisitor
330 virtual void visit(Block &);
331 virtual void visit(ParenthesizedExpression &);
332 virtual void visit(MemberAccess &);
333 virtual void visit(UnaryExpression &);
334 virtual void visit(BinaryExpression &);
335 virtual void visit(FunctionCall &);
336 virtual void visit(ExpressionStatement &);
337 virtual void visit(InterfaceLayout &);
338 virtual void visit(StructDeclaration &);
339 virtual void visit(VariableDeclaration &);
340 virtual void visit(InterfaceBlock &);
341 virtual void visit(FunctionDeclaration &);
342 virtual void visit(Conditional &);
343 virtual void visit(Iteration &);
344 virtual void visit(Passthrough &);
345 virtual void visit(Return &);
360 ProgramSyntax::Block content;
361 std::map<std::string, VariableDeclaration *> in_variables;
362 std::map<std::string, VariableDeclaration *> out_variables;
363 std::map<std::string, unsigned> locations;
364 Version required_version;
372 std::list<Stage> stages;
377 } // namespace ProgramSyntax