source: src/Parser/ParseNode.h@ 2e9b59b

ADT ast-experimental pthread-emulation qualifiedEnum
Last change on this file since 2e9b59b was f135b50, checked in by JiadaL <j82liang@…>, 4 years ago

The compiler is now trying to pass the value of enum const to code gen; but it won't work cause we must be able to evaluate the const_expr in compiler time. It is not currently passed as a Expression but won't be able to evaluate at compile time
  • Property mode set to 100644
File size: 20.9 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// ParseNode.h --
8//
9// Author : Rodolfo G. Esteves
10// Created On : Sat May 16 13:28:16 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Wed Feb 2 09:15:49 2022
13// Update Count : 905
14//
15
16#pragma once
17
18#include <algorithm> // for move
19#include <cassert> // for assert, assertf
20#include <iosfwd> // for ostream
21#include <iterator> // for back_insert_iterator
22#include <list> // for list
23#include <memory> // for unique_ptr, pointer_traits
24#include <string> // for string
25
26#include "Common/CodeLocation.h" // for CodeLocation
27#include "Common/SemanticError.h" // for SemanticError
28#include "Common/UniqueName.h" // for UniqueName
29#include "Common/utility.h" // for maybeClone, maybeBuild
30#include "SynTree/LinkageSpec.h" // for Spec
31#include "SynTree/Declaration.h" // for Aggregate
32#include "SynTree/Expression.h" // for Expression, ConstantExpr (ptr only)
33#include "SynTree/Label.h" // for Label
34#include "SynTree/Statement.h" // for Statement, BranchStmt, BranchStmt:...
35#include "SynTree/Type.h" // for Type, Type::FuncSpecifiers, Type::...
36
37class Attribute;
38class Declaration;
39struct DeclarationNode;
40class DeclarationWithType;
41class Initializer;
42class ExpressionNode;
43struct StatementNode;
44
45//##############################################################################
46
47typedef CodeLocation YYLTYPE;
48#define YYLTYPE_IS_DECLARED 1 /* alert the parser that we have our own definition */
49
50extern YYLTYPE yylloc;
51
52class ParseNode {
53 public:
54 ParseNode() {};
55 virtual ~ParseNode() { delete next; delete name; };
56 virtual ParseNode * clone() const = 0;
57
58 ParseNode * get_next() const { return next; }
59 ParseNode * set_next( ParseNode * newlink ) { next = newlink; return this; }
60
61 ParseNode * get_last() {
62 ParseNode * current;
63 for ( current = this; current->get_next() != nullptr; current = current->get_next() );
64 return current;
65 }
66 ParseNode * set_last( ParseNode * newlast ) {
67 if ( newlast != nullptr ) get_last()->set_next( newlast );
68 return this;
69 }
70
71 virtual void print( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const {}
72 virtual void printList( std::ostream & os, int indent = 0 ) const {
73 print( os, indent );
74 if ( next ) next->print( os, indent );
75 }
76
77 static int indent_by;
78
79 ParseNode * next = nullptr;
80 const std::string * name = nullptr;
81 CodeLocation location = yylloc;
82}; // ParseNode
83
84//##############################################################################
85
86class InitializerNode : public ParseNode {
87 public:
88 InitializerNode( ExpressionNode *, bool aggrp = false, ExpressionNode * des = nullptr );
89 InitializerNode( InitializerNode *, bool aggrp = false, ExpressionNode * des = nullptr );
90 InitializerNode( bool isDelete );
91 ~InitializerNode();
92 virtual InitializerNode * clone() const { assert( false ); return nullptr; }
93
94 ExpressionNode * get_expression() const { return expr; }
95
96 InitializerNode * set_designators( ExpressionNode * des ) { designator = des; return this; }
97 ExpressionNode * get_designators() const { return designator; }
98
99 InitializerNode * set_maybeConstructed( bool value ) { maybeConstructed = value; return this; }
100 bool get_maybeConstructed() const { return maybeConstructed; }
101
102 bool get_isDelete() const { return isDelete; }
103
104 InitializerNode * next_init() const { return kids; }
105
106 void print( std::ostream & os, int indent = 0 ) const;
107 void printOneLine( std::ostream & ) const;
108
109 virtual Initializer * build() const;
110 private:
111 ExpressionNode * expr;
112 bool aggregate;
113 ExpressionNode * designator; // may be list
114 InitializerNode * kids;
115 bool maybeConstructed;
116 bool isDelete;
117}; // InitializerNode
118
119//##############################################################################
120
121class ExpressionNode final : public ParseNode {
122 public:
123 ExpressionNode( Expression * expr = nullptr ) : expr( expr ) {}
124 virtual ~ExpressionNode() {}
125 virtual ExpressionNode * clone() const override { return expr ? static_cast<ExpressionNode*>((new ExpressionNode( expr->clone() ))->set_next( maybeClone( get_next() ) )) : nullptr; }
126
127 bool get_extension() const { return extension; }
128 ExpressionNode * set_extension( bool exten ) { extension = exten; return this; }
129
130 virtual void print( std::ostream & os, __attribute__((unused)) int indent = 0 ) const override {
131 os << expr.get();
132 }
133 void printOneLine( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const {}
134
135 template<typename T>
136 bool isExpressionType() const { return nullptr != dynamic_cast<T>(expr.get()); }
137
138 Expression * build() const { return const_cast<ExpressionNode *>(this)->expr.release(); }
139
140 std::unique_ptr<Expression> expr; // public because of lifetime implications
141 private:
142 bool extension = false;
143}; // ExpressionNode
144
145template< typename T >
146struct maybeBuild_t< Expression, T > {
147 static inline Expression * doit( const T * orig ) {
148 if ( orig ) {
149 Expression * p = orig->build();
150 p->set_extension( orig->get_extension() );
151 p->location = orig->location;
152 return p;
153 } else {
154 return nullptr;
155 } // if
156 }
157};
158
159// Must harmonize with OperName.
160enum class OperKinds {
161 // diadic
162 SizeOf, AlignOf, OffsetOf, Plus, Minus, Exp, Mul, Div, Mod, Or, And,
163 BitOr, BitAnd, Xor, Cast, LShift, RShift, LThan, GThan, LEThan, GEThan, Eq, Neq,
164 Assign, AtAssn, ExpAssn, MulAssn, DivAssn, ModAssn, PlusAssn, MinusAssn, LSAssn, RSAssn, AndAssn, ERAssn, OrAssn,
165 Index, Range,
166 // monadic
167 UnPlus, UnMinus, AddressOf, PointTo, Neg, BitNeg, Incr, IncrPost, Decr, DecrPost,
168 Ctor, Dtor,
169}; // OperKinds
170
171struct LabelNode {
172 std::list< Label > labels;
173};
174
175Expression * build_constantInteger( std::string & str ); // these 4 routines modify the string
176Expression * build_constantFloat( std::string & str );
177Expression * build_constantChar( std::string & str );
178Expression * build_constantStr( std::string & str );
179Expression * build_field_name_FLOATING_FRACTIONconstant( const std::string & str );
180Expression * build_field_name_FLOATING_DECIMALconstant( const std::string & str );
181Expression * build_field_name_FLOATINGconstant( const std::string & str );
182Expression * build_field_name_fraction_constants( Expression * fieldName, ExpressionNode * fracts );
183
184NameExpr * build_varref( const std::string * name );
185DimensionExpr * build_dimensionref( const std::string * name );
186
187Expression * build_cast( DeclarationNode * decl_node, ExpressionNode * expr_node );
188Expression * build_keyword_cast( AggregateDecl::Aggregate target, ExpressionNode * expr_node );
189Expression * build_virtual_cast( DeclarationNode * decl_node, ExpressionNode * expr_node );
190Expression * build_fieldSel( ExpressionNode * expr_node, Expression * member );
191Expression * build_pfieldSel( ExpressionNode * expr_node, Expression * member );
192Expression * build_offsetOf( DeclarationNode * decl_node, NameExpr * member );
193Expression * build_and( ExpressionNode * expr_node1, ExpressionNode * expr_node2 );
194Expression * build_and_or( ExpressionNode * expr_node1, ExpressionNode * expr_node2, bool kind );
195Expression * build_unary_val( OperKinds op, ExpressionNode * expr_node );
196Expression * build_unary_ptr( OperKinds op, ExpressionNode * expr_node );
197Expression * build_binary_val( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 );
198Expression * build_binary_ptr( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 );
199Expression * build_cond( ExpressionNode * expr_node1, ExpressionNode * expr_node2, ExpressionNode * expr_node3 );
200Expression * build_tuple( ExpressionNode * expr_node = nullptr );
201Expression * build_func( ExpressionNode * function, ExpressionNode * expr_node );
202Expression * build_compoundLiteral( DeclarationNode * decl_node, InitializerNode * kids );
203
204//##############################################################################
205
206struct TypeData;
207
208struct DeclarationNode : public ParseNode {
209 // These enumerations must harmonize with their names in DeclarationNode.cc.
210 enum BasicType { Void, Bool, Char, Int, Int128,
211 Float, Double, LongDouble, uuFloat80, uuFloat128,
212 uFloat16, uFloat32, uFloat32x, uFloat64, uFloat64x, uFloat128, uFloat128x, NoBasicType };
213 static const char * basicTypeNames[];
214 enum ComplexType { Complex, NoComplexType, Imaginary }; // Imaginary unsupported => parse, but make invisible and print error message
215 static const char * complexTypeNames[];
216 enum Signedness { Signed, Unsigned, NoSignedness };
217 static const char * signednessNames[];
218 enum Length { Short, Long, LongLong, NoLength };
219 static const char * lengthNames[];
220 enum BuiltinType { Valist, AutoType, Zero, One, NoBuiltinType };
221 static const char * builtinTypeNames[];
222
223 static DeclarationNode * newStorageClass( Type::StorageClasses );
224 static DeclarationNode * newFuncSpecifier( Type::FuncSpecifiers );
225 static DeclarationNode * newTypeQualifier( Type::Qualifiers );
226 static DeclarationNode * newBasicType( BasicType );
227 static DeclarationNode * newComplexType( ComplexType );
228 static DeclarationNode * newSignedNess( Signedness );
229 static DeclarationNode * newLength( Length );
230 static DeclarationNode * newBuiltinType( BuiltinType );
231 static DeclarationNode * newForall( DeclarationNode * );
232 static DeclarationNode * newFromTypedef( const std::string * );
233 static DeclarationNode * newFromGlobalScope();
234 static DeclarationNode * newQualifiedType( DeclarationNode *, DeclarationNode * );
235 static DeclarationNode * newFunction( const std::string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body );
236 static DeclarationNode * newAggregate( AggregateDecl::Aggregate kind, const std::string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body );
237 static DeclarationNode * newEnum( const std::string * name, DeclarationNode * constants, bool body, bool typed );
238 static DeclarationNode * newEnumConstant( const std::string * name, ExpressionNode * constant );
239 static DeclarationNode * newName( const std::string * );
240 static DeclarationNode * newFromTypeGen( const std::string *, ExpressionNode * params );
241 static DeclarationNode * newTypeParam( TypeDecl::Kind, const std::string * );
242 static DeclarationNode * newTrait( const std::string * name, DeclarationNode * params, DeclarationNode * asserts );
243 static DeclarationNode * newTraitUse( const std::string * name, ExpressionNode * params );
244 static DeclarationNode * newTypeDecl( const std::string * name, DeclarationNode * typeParams );
245 static DeclarationNode * newPointer( DeclarationNode * qualifiers, OperKinds kind );
246 static DeclarationNode * newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic );
247 static DeclarationNode * newVarArray( DeclarationNode * qualifiers );
248 static DeclarationNode * newBitfield( ExpressionNode * size );
249 static DeclarationNode * newTuple( DeclarationNode * members );
250 static DeclarationNode * newTypeof( ExpressionNode * expr, bool basetypeof = false );
251 static DeclarationNode * newVtableType( DeclarationNode * expr );
252 static DeclarationNode * newAttribute( const std::string *, ExpressionNode * expr = nullptr ); // gcc attributes
253 static DeclarationNode * newDirectiveStmt( StatementNode * stmt ); // gcc external directive statement
254 static DeclarationNode * newAsmStmt( StatementNode * stmt ); // gcc external asm statement
255 static DeclarationNode * newStaticAssert( ExpressionNode * condition, Expression * message );
256
257 DeclarationNode();
258 ~DeclarationNode();
259 DeclarationNode * clone() const override;
260
261 DeclarationNode * addQualifiers( DeclarationNode * );
262 void checkQualifiers( const TypeData *, const TypeData * );
263 void checkSpecifiers( DeclarationNode * );
264 DeclarationNode * copySpecifiers( DeclarationNode * );
265 DeclarationNode * addType( DeclarationNode * );
266 DeclarationNode * addTypedef();
267 DeclarationNode * addEnumBase( DeclarationNode * );
268 DeclarationNode * addAssertions( DeclarationNode * );
269 DeclarationNode * addName( std::string * );
270 DeclarationNode * addAsmName( DeclarationNode * );
271 DeclarationNode * addBitfield( ExpressionNode * size );
272 DeclarationNode * addVarArgs();
273 DeclarationNode * addFunctionBody( StatementNode * body, ExpressionNode * with = nullptr );
274 DeclarationNode * addOldDeclList( DeclarationNode * list );
275 DeclarationNode * setBase( TypeData * newType );
276 DeclarationNode * copyAttribute( DeclarationNode * attr );
277 DeclarationNode * addPointer( DeclarationNode * qualifiers );
278 DeclarationNode * addArray( DeclarationNode * array );
279 DeclarationNode * addNewPointer( DeclarationNode * pointer );
280 DeclarationNode * addNewArray( DeclarationNode * array );
281 DeclarationNode * addParamList( DeclarationNode * list );
282 DeclarationNode * addIdList( DeclarationNode * list ); // old-style functions
283 DeclarationNode * addInitializer( InitializerNode * init );
284 DeclarationNode * addTypeInitializer( DeclarationNode * init );
285
286 DeclarationNode * cloneType( std::string * newName );
287 DeclarationNode * cloneBaseType( DeclarationNode * newdecl );
288
289 DeclarationNode * appendList( DeclarationNode * node ) {
290 return (DeclarationNode *)set_last( node );
291 }
292
293 virtual void print( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const override;
294 virtual void printList( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const override;
295
296 Declaration * build() const;
297 Type * buildType() const;
298
299 LinkageSpec::Spec get_linkage() const { return linkage; }
300 DeclarationNode * extractAggregate() const;
301 bool has_enumeratorValue() const { return (bool)enumeratorValue; }
302 ExpressionNode * consume_enumeratorValue() const { return const_cast<DeclarationNode *>(this)->enumeratorValue.release(); }
303
304 bool get_extension() const { return extension; }
305 DeclarationNode * set_extension( bool exten ) { extension = exten; return this; }
306
307 bool get_inLine() const { return inLine; }
308 DeclarationNode * set_inLine( bool inL ) { inLine = inL; return this; }
309
310 DeclarationNode * get_last() { return (DeclarationNode *)ParseNode::get_last(); }
311
312 struct Variable_t {
313// const std::string * name;
314 TypeDecl::Kind tyClass;
315 DeclarationNode * assertions;
316 DeclarationNode * initializer;
317 };
318 Variable_t variable;
319
320 struct Attr_t {
321// const std::string * name;
322 ExpressionNode * expr;
323 DeclarationNode * type;
324 };
325 Attr_t attr;
326
327 struct StaticAssert_t {
328 ExpressionNode * condition;
329 Expression * message;
330 };
331 StaticAssert_t assert;
332
333 BuiltinType builtin = NoBuiltinType;
334
335 TypeData * type = nullptr;
336
337 bool inLine = false;
338 Type::FuncSpecifiers funcSpecs;
339 Type::StorageClasses storageClasses;
340
341 ExpressionNode * bitfieldWidth = nullptr;
342 std::unique_ptr<ExpressionNode> enumeratorValue;
343 bool hasEllipsis = false;
344 LinkageSpec::Spec linkage;
345 Expression * asmName = nullptr;
346 std::list< Attribute * > attributes;
347 InitializerNode * initializer = nullptr;
348 bool extension = false;
349 std::string error;
350 StatementNode * asmStmt = nullptr;
351 StatementNode * directiveStmt = nullptr;
352
353 static UniqueName anonymous;
354}; // DeclarationNode
355
356Type * buildType( TypeData * type );
357
358static inline Type * maybeMoveBuildType( const DeclarationNode * orig ) {
359 Type * ret = orig ? orig->buildType() : nullptr;
360 delete orig;
361 return ret;
362}
363
364//##############################################################################
365
366struct StatementNode final : public ParseNode {
367 StatementNode() { stmt = nullptr; }
368 StatementNode( Statement * stmt ) : stmt( stmt ) {}
369 StatementNode( DeclarationNode * decl );
370 virtual ~StatementNode() {}
371
372 virtual StatementNode * clone() const final { assert( false ); return nullptr; }
373 Statement * build() const { return const_cast<StatementNode *>(this)->stmt.release(); }
374
375 virtual StatementNode * add_label( const std::string * name, DeclarationNode * attr = nullptr ) {
376 stmt->get_labels().emplace_back( * name, nullptr, attr ? std::move( attr->attributes ) : std::list< Attribute * > {} );
377 delete attr;
378 delete name;
379 return this;
380 }
381
382 virtual StatementNode * append_last_case( StatementNode * );
383
384 virtual void print( std::ostream & os, __attribute__((unused)) int indent = 0 ) const override {
385 os << stmt.get() << std::endl;
386 }
387
388 std::unique_ptr<Statement> stmt;
389}; // StatementNode
390
391Statement * build_expr( ExpressionNode * ctl );
392
393struct CondCtl {
394 CondCtl( DeclarationNode * decl, ExpressionNode * condition ) :
395 init( decl ? new StatementNode( decl ) : nullptr ), condition( condition ) {}
396
397 StatementNode * init;
398 ExpressionNode * condition;
399};
400
401struct ForCtrl {
402 ForCtrl( ExpressionNode * expr, ExpressionNode * condition, ExpressionNode * change ) :
403 init( new StatementNode( build_expr( expr ) ) ), condition( condition ), change( change ) {}
404 ForCtrl( DeclarationNode * decl, ExpressionNode * condition, ExpressionNode * change ) :
405 init( new StatementNode( decl ) ), condition( condition ), change( change ) {}
406
407 StatementNode * init;
408 ExpressionNode * condition;
409 ExpressionNode * change;
410};
411
412Expression * build_if_control( CondCtl * ctl, std::list< Statement * > & init );
413Statement * build_if( CondCtl * ctl, StatementNode * then, StatementNode * else_ );
414Statement * build_switch( bool isSwitch, ExpressionNode * ctl, StatementNode * stmt );
415Statement * build_case( ExpressionNode * ctl );
416Statement * build_default();
417Statement * build_while( CondCtl * ctl, StatementNode * stmt, StatementNode * else_ = nullptr );
418Statement * build_do_while( ExpressionNode * ctl, StatementNode * stmt, StatementNode * else_ = nullptr );
419Statement * build_for( ForCtrl * forctl, StatementNode * stmt, StatementNode * else_ = nullptr );
420Statement * build_branch( BranchStmt::Type kind );
421Statement * build_branch( std::string * identifier, BranchStmt::Type kind );
422Statement * build_computedgoto( ExpressionNode * ctl );
423Statement * build_return( ExpressionNode * ctl );
424Statement * build_throw( ExpressionNode * ctl );
425Statement * build_resume( ExpressionNode * ctl );
426Statement * build_resume_at( ExpressionNode * ctl , ExpressionNode * target );
427Statement * build_try( StatementNode * try_, StatementNode * catch_, StatementNode * finally_ );
428Statement * build_catch( CatchStmt::Kind kind, DeclarationNode * decl, ExpressionNode * cond, StatementNode * body );
429Statement * build_finally( StatementNode * stmt );
430Statement * build_compound( StatementNode * first );
431StatementNode * maybe_build_compound( StatementNode * first );
432Statement * build_asm( bool voltile, Expression * instruction, ExpressionNode * output = nullptr, ExpressionNode * input = nullptr, ExpressionNode * clobber = nullptr, LabelNode * gotolabels = nullptr );
433Statement * build_directive( std::string * directive );
434SuspendStmt * build_suspend( StatementNode *, SuspendStmt::Type = SuspendStmt::None);
435WaitForStmt * build_waitfor( ExpressionNode * target, StatementNode * stmt, ExpressionNode * when );
436WaitForStmt * build_waitfor( ExpressionNode * target, StatementNode * stmt, ExpressionNode * when, WaitForStmt * existing );
437WaitForStmt * build_waitfor_timeout( ExpressionNode * timeout, StatementNode * stmt, ExpressionNode * when );
438WaitForStmt * build_waitfor_timeout( ExpressionNode * timeout, StatementNode * stmt, ExpressionNode * when, StatementNode * else_stmt, ExpressionNode * else_when );
439Statement * build_with( ExpressionNode * exprs, StatementNode * stmt );
440Statement * build_mutex( ExpressionNode * exprs, StatementNode * stmt );
441
442//##############################################################################
443
444template< typename SynTreeType, typename NodeType, template< typename, typename...> class Container, typename... Args >
445void buildList( const NodeType * firstNode, Container< SynTreeType *, Args... > & outputList ) {
446 SemanticErrorException errors;
447 std::back_insert_iterator< Container< SynTreeType *, Args... > > out( outputList );
448 const NodeType * cur = firstNode;
449
450 while ( cur ) {
451 try {
452 SynTreeType * result = dynamic_cast< SynTreeType * >( maybeBuild< typename std::pointer_traits< decltype(cur->build())>::element_type >( cur ) );
453 if ( result ) {
454 result->location = cur->location;
455 * out++ = result;
456 } else {
457 SemanticError( cur->location, "type specifier declaration in forall clause is currently unimplemented." );
458 } // if
459 } catch( SemanticErrorException & e ) {
460 errors.append( e );
461 } // try
462 cur = dynamic_cast< NodeType * >( cur->get_next() );
463 } // while
464 if ( ! errors.isEmpty() ) {
465 throw errors;
466 } // if
467}
468
469// in DeclarationNode.cc
470void buildList( const DeclarationNode * firstNode, std::list< Declaration * > & outputList );
471void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > & outputList );
472void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > & outputList );
473
474template< typename SynTreeType, typename NodeType >
475void buildMoveList( const NodeType * firstNode, std::list< SynTreeType * > & outputList ) {
476 buildList( firstNode, outputList );
477 delete firstNode;
478}
479
480// in ParseNode.cc
481std::ostream & operator<<( std::ostream & out, const ParseNode * node );
482
483// Local Variables: //
484// tab-width: 4 //
485// mode: c++ //
486// compile-command: "make install" //
487// End: //
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