1 #ifndef MSP_GL_SL_SYNTAX_H_
2 #define MSP_GL_SL_SYNTAX_H_
9 #include <msp/core/inttypes.h>
10 #include <msp/core/refptr.h>
11 #include <msp/core/variant.h>
13 #include "glsl_error.h"
14 #include "sourcemap.h"
16 #pragma push_macro("interface")
47 static const Operator operators[];
49 static const Operator &get_operator(const std::string &, Type);
66 Node(): source(GENERATED_SOURCE), line(1) { }
67 Node(const Node &n): source(n.source), line(n.line) { }
69 Node &operator=(const Node &);
73 virtual Node *clone() const = 0;
74 virtual void visit(NodeVisitor &) = 0;
78 class NodePtr: public RefPtr<T>
82 NodePtr(T *p): RefPtr<T>(p) { }
83 NodePtr(const NodePtr &p): RefPtr<T>(p ? p->clone() : 0) { }
84 NodePtr &operator=(const NodePtr &p) { RefPtr<T>::operator=(p); return *this; }
87 NodePtr(const RefPtr<U> &p): RefPtr<T>(p) { }
90 NodePtr(const NodePtr<U> &p): RefPtr<T>(p ? p->clone() : 0) { }
94 class NodeContainer: public C
98 NodeContainer(const NodeContainer &);
102 class NodeList: public NodeContainer<std::list<RefPtr<T> > >
106 class NodeArray: public NodeContainer<std::vector<RefPtr<T> > >
109 struct TypeDeclaration;
110 struct VariableDeclaration;
111 struct InterfaceBlock;
112 struct FunctionDeclaration;
114 struct Statement: Node
116 virtual Statement *clone() const = 0;
121 NodeList<Statement> body;
124 std::map<std::string, VariableDeclaration *> variables;
128 Block(const Block &);
130 virtual Block *clone() const { return new Block(*this); }
131 virtual void visit(NodeVisitor &);
134 struct Expression: Node
136 const Operator *oper;
138 TypeDeclaration *type;
143 virtual Expression *clone() const = 0;
146 struct Literal: Expression
151 virtual Literal *clone() const { return new Literal(*this); }
152 virtual void visit(NodeVisitor &);
155 struct ParenthesizedExpression: Expression
157 NodePtr<Expression> expression;
159 virtual ParenthesizedExpression *clone() const { return new ParenthesizedExpression(*this); }
160 virtual void visit(NodeVisitor &);
163 struct VariableReference: Expression
167 VariableDeclaration *declaration;
170 VariableReference(const VariableReference &);
172 virtual VariableReference *clone() const { return new VariableReference(*this); }
173 virtual void visit(NodeVisitor &);
176 struct InterfaceBlockReference: Expression
180 InterfaceBlock *declaration;
182 InterfaceBlockReference();
183 InterfaceBlockReference(const InterfaceBlockReference &);
185 virtual InterfaceBlockReference *clone() const { return new InterfaceBlockReference(*this); }
186 virtual void visit(NodeVisitor &);
189 struct MemberAccess: Expression
191 NodePtr<Expression> left;
194 VariableDeclaration *declaration;
197 MemberAccess(const MemberAccess &);
199 virtual MemberAccess *clone() const { return new MemberAccess(*this); }
200 virtual void visit(NodeVisitor &);
203 struct Swizzle: Expression
205 NodePtr<Expression> left;
206 std::string component_group;
212 virtual Swizzle *clone() const { return new Swizzle(*this); }
213 virtual void visit(NodeVisitor &);
216 struct UnaryExpression: Expression
218 NodePtr<Expression> expression;
220 virtual UnaryExpression *clone() const { return new UnaryExpression(*this); }
221 virtual void visit(NodeVisitor &);
224 struct BinaryExpression: Expression
226 NodePtr<Expression> left;
227 NodePtr<Expression> right;
229 virtual BinaryExpression *clone() const { return new BinaryExpression(*this); }
230 virtual void visit(NodeVisitor &);
233 struct Assignment: BinaryExpression
244 Statement *declaration;
245 Msp::UInt8 chain_len;
248 Target(Statement * = 0);
250 bool operator<(const Target &) const;
253 bool self_referencing;
258 Assignment(const Assignment &);
260 virtual Assignment *clone() const { return new Assignment(*this); }
261 virtual void visit(NodeVisitor &);
264 struct TernaryExpression: Expression
266 NodePtr<Expression> condition;
267 NodePtr<Expression> true_expr;
268 NodePtr<Expression> false_expr;
270 virtual TernaryExpression *clone() const { return new TernaryExpression(*this); }
271 virtual void visit(NodeVisitor &);
274 struct FunctionCall: Expression
278 NodeArray<Expression> arguments;
280 FunctionDeclaration *declaration;
283 FunctionCall(const FunctionCall &);
285 virtual FunctionCall *clone() const { return new FunctionCall(*this); }
286 virtual void visit(NodeVisitor &);
289 struct ExpressionStatement: Statement
291 NodePtr<Expression> expression;
293 virtual ExpressionStatement *clone() const { return new ExpressionStatement(*this); }
294 virtual void visit(NodeVisitor &);
297 struct Import: Statement
301 virtual Import *clone() const { return new Import(*this); }
302 virtual void visit(NodeVisitor &);
305 struct Precision: Statement
307 std::string precision;
310 virtual Precision *clone() const { return new Precision(*this); }
311 virtual void visit(NodeVisitor &);
323 std::vector<Qualifier> qualifiers;
325 virtual Layout *clone() const { return new Layout(*this); }
326 virtual void visit(NodeVisitor &);
329 struct InterfaceLayout: Statement
331 std::string interface;
334 virtual InterfaceLayout *clone() const { return new InterfaceLayout(*this); }
335 virtual void visit(NodeVisitor &);
338 struct TypeDeclaration: Statement
342 virtual TypeDeclaration *clone() const = 0;
345 struct BasicTypeDeclaration: TypeDeclaration
363 TypeDeclaration *base_type;
365 BasicTypeDeclaration();
366 BasicTypeDeclaration(const BasicTypeDeclaration &);
368 virtual BasicTypeDeclaration *clone() const { return new BasicTypeDeclaration(*this); }
369 virtual void visit(NodeVisitor &);
372 struct ImageTypeDeclaration: TypeDeclaration
382 Dimensions dimensions;
388 TypeDeclaration *base_type;
390 ImageTypeDeclaration();
392 virtual ImageTypeDeclaration *clone() const { return new ImageTypeDeclaration(*this); }
393 virtual void visit(NodeVisitor &);
396 struct StructDeclaration: TypeDeclaration
400 InterfaceBlock *interface_block;
403 StructDeclaration(const StructDeclaration &);
404 ~StructDeclaration();
406 virtual StructDeclaration *clone() const { return new StructDeclaration(*this); }
407 virtual void visit(NodeVisitor &);
410 struct VariableDeclaration: Statement
412 NodePtr<Layout> layout;
414 std::string sampling;
415 std::string interpolation;
416 std::string interface;
417 std::string precision;
421 NodePtr<Expression> array_size;
422 NodePtr<Expression> init_expression;
424 TypeDeclaration *type_declaration;
425 VariableDeclaration *linked_declaration;
427 VariableDeclaration();
428 VariableDeclaration(const VariableDeclaration &);
429 ~VariableDeclaration();
431 virtual VariableDeclaration *clone() const { return new VariableDeclaration(*this); }
432 virtual void visit(NodeVisitor &);
435 struct InterfaceBlock: Statement
437 std::string interface;
439 NodePtr<Block> members;
440 std::string instance_name;
443 /* An interface block's ultimate base type is always a struct. The
444 immediate type may be either that same struct or an array of it. */
445 TypeDeclaration *type_declaration;
446 StructDeclaration *struct_declaration;
447 InterfaceBlock *linked_block;
450 InterfaceBlock(const InterfaceBlock &);
453 virtual InterfaceBlock *clone() const { return new InterfaceBlock(*this); }
454 virtual void visit(NodeVisitor &);
457 struct FunctionDeclaration: Statement
459 std::string return_type;
461 NodeArray<VariableDeclaration> parameters;
466 std::string signature;
467 FunctionDeclaration *definition;
468 TypeDeclaration *return_type_declaration;
470 FunctionDeclaration();
471 FunctionDeclaration(const FunctionDeclaration &);
473 virtual FunctionDeclaration *clone() const { return new FunctionDeclaration(*this); }
474 virtual void visit(NodeVisitor &);
477 struct Conditional: Statement
479 NodePtr<Expression> condition;
483 virtual Conditional *clone() const { return new Conditional(*this); }
484 virtual void visit(NodeVisitor &);
487 struct Iteration: Statement
489 NodePtr<Statement> init_statement;
490 NodePtr<Expression> condition;
491 NodePtr<Expression> loop_expression;
494 virtual Iteration *clone() const { return new Iteration(*this); }
495 virtual void visit(NodeVisitor &);
498 struct Passthrough: Statement
500 NodePtr<Expression> subscript;
502 virtual Passthrough *clone() const { return new Passthrough(*this); }
503 virtual void visit(NodeVisitor &);
506 struct Return: Statement
508 NodePtr<Expression> expression;
510 virtual Return *clone() const { return new Return(*this); }
511 virtual void visit(NodeVisitor &);
514 struct Jump: Statement
518 virtual Jump *clone() const { return new Jump(*this); }
519 virtual void visit(NodeVisitor &);
535 std::map<std::string, TypeDeclaration *> types;
536 std::map<std::string, InterfaceBlock *> interface_blocks;
537 std::map<std::string, FunctionDeclaration *> functions;
538 std::map<std::string, unsigned> locations;
539 Features required_features;
540 std::vector<Diagnostic> diagnostics;
544 static const char *get_stage_name(Type);
549 SourceMap source_map;
551 std::list<Stage> stages;
560 #pragma pop_macro("interface")