source: src/Parser/ParseNode.h@ 5f9c42b

ADT ast-experimental
Last change on this file since 5f9c42b was b0d9ff7, checked in by JiadaL <j82liang@…>, 3 years ago

Fix up the QualifiedNameExpr. It should now work on both old AST and new AST. There are some known bugs to fix so make all-tests will fail.
  • Property mode set to 100644
File size: 21.2 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 );
185QualifiedNameExpr * build_qualified_expr( const DeclarationNode * decl_node, const NameExpr * name );
186QualifiedNameExpr * build_qualified_expr( const EnumDecl * decl, const NameExpr * name );
187DimensionExpr * build_dimensionref( const std::string * name );
188
189Expression * build_cast( DeclarationNode * decl_node, ExpressionNode * expr_node );
190Expression * build_keyword_cast( AggregateDecl::Aggregate target, ExpressionNode * expr_node );
191Expression * build_virtual_cast( DeclarationNode * decl_node, ExpressionNode * expr_node );
192Expression * build_fieldSel( ExpressionNode * expr_node, Expression * member );
193Expression * build_pfieldSel( ExpressionNode * expr_node, Expression * member );
194Expression * build_offsetOf( DeclarationNode * decl_node, NameExpr * member );
195Expression * build_and( ExpressionNode * expr_node1, ExpressionNode * expr_node2 );
196Expression * build_and_or( ExpressionNode * expr_node1, ExpressionNode * expr_node2, bool kind );
197Expression * build_unary_val( OperKinds op, ExpressionNode * expr_node );
198Expression * build_unary_ptr( OperKinds op, ExpressionNode * expr_node );
199Expression * build_binary_val( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 );
200Expression * build_binary_ptr( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 );
201Expression * build_cond( ExpressionNode * expr_node1, ExpressionNode * expr_node2, ExpressionNode * expr_node3 );
202Expression * build_tuple( ExpressionNode * expr_node = nullptr );
203Expression * build_func( ExpressionNode * function, ExpressionNode * expr_node );
204Expression * build_compoundLiteral( DeclarationNode * decl_node, InitializerNode * kids );
205
206//##############################################################################
207
208struct TypeData;
209
210struct DeclarationNode : public ParseNode {
211 // These enumerations must harmonize with their names in DeclarationNode.cc.
212 enum BasicType { Void, Bool, Char, Int, Int128,
213 Float, Double, LongDouble, uuFloat80, uuFloat128,
214 uFloat16, uFloat32, uFloat32x, uFloat64, uFloat64x, uFloat128, uFloat128x, NoBasicType };
215 static const char * basicTypeNames[];
216 enum ComplexType { Complex, NoComplexType, Imaginary }; // Imaginary unsupported => parse, but make invisible and print error message
217 static const char * complexTypeNames[];
218 enum Signedness { Signed, Unsigned, NoSignedness };
219 static const char * signednessNames[];
220 enum Length { Short, Long, LongLong, NoLength };
221 static const char * lengthNames[];
222 enum BuiltinType { Valist, AutoType, Zero, One, NoBuiltinType };
223 static const char * builtinTypeNames[];
224
225 static DeclarationNode * newStorageClass( Type::StorageClasses );
226 static DeclarationNode * newFuncSpecifier( Type::FuncSpecifiers );
227 static DeclarationNode * newTypeQualifier( Type::Qualifiers );
228 static DeclarationNode * newBasicType( BasicType );
229 static DeclarationNode * newComplexType( ComplexType );
230 static DeclarationNode * newSignedNess( Signedness );
231 static DeclarationNode * newLength( Length );
232 static DeclarationNode * newBuiltinType( BuiltinType );
233 static DeclarationNode * newForall( DeclarationNode * );
234 static DeclarationNode * newFromTypedef( const std::string * );
235 static DeclarationNode * newFromGlobalScope();
236 static DeclarationNode * newQualifiedType( DeclarationNode *, DeclarationNode * );
237 static DeclarationNode * newFunction( const std::string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body );
238 static DeclarationNode * newAggregate( AggregateDecl::Aggregate kind, const std::string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body );
239 static DeclarationNode * newEnum( const std::string * name, DeclarationNode * constants, bool body, bool typed, DeclarationNode * base = nullptr );
240 static DeclarationNode * newEnumConstant( const std::string * name, ExpressionNode * constant );
241 static DeclarationNode * newEnumValueGeneric( const std::string * name, InitializerNode * init );
242 static DeclarationNode * newName( const std::string * );
243 static DeclarationNode * newFromTypeGen( const std::string *, ExpressionNode * params );
244 static DeclarationNode * newTypeParam( TypeDecl::Kind, const std::string * );
245 static DeclarationNode * newTrait( const std::string * name, DeclarationNode * params, DeclarationNode * asserts );
246 static DeclarationNode * newTraitUse( const std::string * name, ExpressionNode * params );
247 static DeclarationNode * newTypeDecl( const std::string * name, DeclarationNode * typeParams );
248 static DeclarationNode * newPointer( DeclarationNode * qualifiers, OperKinds kind );
249 static DeclarationNode * newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic );
250 static DeclarationNode * newVarArray( DeclarationNode * qualifiers );
251 static DeclarationNode * newBitfield( ExpressionNode * size );
252 static DeclarationNode * newTuple( DeclarationNode * members );
253 static DeclarationNode * newTypeof( ExpressionNode * expr, bool basetypeof = false );
254 static DeclarationNode * newVtableType( DeclarationNode * expr );
255 static DeclarationNode * newAttribute( const std::string *, ExpressionNode * expr = nullptr ); // gcc attributes
256 static DeclarationNode * newDirectiveStmt( StatementNode * stmt ); // gcc external directive statement
257 static DeclarationNode * newAsmStmt( StatementNode * stmt ); // gcc external asm statement
258 static DeclarationNode * newStaticAssert( ExpressionNode * condition, Expression * message );
259
260 DeclarationNode();
261 ~DeclarationNode();
262 DeclarationNode * clone() const override;
263
264 DeclarationNode * addQualifiers( DeclarationNode * );
265 void checkQualifiers( const TypeData *, const TypeData * );
266 void checkSpecifiers( DeclarationNode * );
267 DeclarationNode * copySpecifiers( DeclarationNode * );
268 DeclarationNode * addType( DeclarationNode * );
269 DeclarationNode * addTypedef();
270 DeclarationNode * addEnumBase( DeclarationNode * );
271 DeclarationNode * addAssertions( DeclarationNode * );
272 DeclarationNode * addName( std::string * );
273 DeclarationNode * addAsmName( DeclarationNode * );
274 DeclarationNode * addBitfield( ExpressionNode * size );
275 DeclarationNode * addVarArgs();
276 DeclarationNode * addFunctionBody( StatementNode * body, ExpressionNode * with = nullptr );
277 DeclarationNode * addOldDeclList( DeclarationNode * list );
278 DeclarationNode * setBase( TypeData * newType );
279 DeclarationNode * copyAttribute( DeclarationNode * attr );
280 DeclarationNode * addPointer( DeclarationNode * qualifiers );
281 DeclarationNode * addArray( DeclarationNode * array );
282 DeclarationNode * addNewPointer( DeclarationNode * pointer );
283 DeclarationNode * addNewArray( DeclarationNode * array );
284 DeclarationNode * addParamList( DeclarationNode * list );
285 DeclarationNode * addIdList( DeclarationNode * list ); // old-style functions
286 DeclarationNode * addInitializer( InitializerNode * init );
287 DeclarationNode * addTypeInitializer( DeclarationNode * init );
288
289 DeclarationNode * cloneType( std::string * newName );
290 DeclarationNode * cloneBaseType( DeclarationNode * newdecl );
291
292 DeclarationNode * appendList( DeclarationNode * node ) {
293 return (DeclarationNode *)set_last( node );
294 }
295
296 virtual void print( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const override;
297 virtual void printList( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const override;
298
299 Declaration * build() const;
300 Type * buildType() const;
301
302 LinkageSpec::Spec get_linkage() const { return linkage; }
303 DeclarationNode * extractAggregate() const;
304 bool has_enumeratorValue() const { return (bool)enumeratorValue; }
305 ExpressionNode * consume_enumeratorValue() const { return const_cast<DeclarationNode *>(this)->enumeratorValue.release(); }
306
307 bool get_extension() const { return extension; }
308 DeclarationNode * set_extension( bool exten ) { extension = exten; return this; }
309
310 bool get_inLine() const { return inLine; }
311 DeclarationNode * set_inLine( bool inL ) { inLine = inL; return this; }
312
313 DeclarationNode * get_last() { return (DeclarationNode *)ParseNode::get_last(); }
314
315 struct Variable_t {
316// const std::string * name;
317 TypeDecl::Kind tyClass;
318 DeclarationNode * assertions;
319 DeclarationNode * initializer;
320 };
321 Variable_t variable;
322
323 struct Attr_t {
324// const std::string * name;
325 ExpressionNode * expr;
326 DeclarationNode * type;
327 };
328 Attr_t attr;
329
330 struct StaticAssert_t {
331 ExpressionNode * condition;
332 Expression * message;
333 };
334 StaticAssert_t assert;
335
336 BuiltinType builtin = NoBuiltinType;
337
338 TypeData * type = nullptr;
339
340 bool inLine = false;
341 Type::FuncSpecifiers funcSpecs;
342 Type::StorageClasses storageClasses;
343
344 ExpressionNode * bitfieldWidth = nullptr;
345 std::unique_ptr<ExpressionNode> enumeratorValue;
346 bool hasEllipsis = false;
347 LinkageSpec::Spec linkage;
348 Expression * asmName = nullptr;
349 std::list< Attribute * > attributes;
350 InitializerNode * initializer = nullptr;
351 bool extension = false;
352 std::string error;
353 StatementNode * asmStmt = nullptr;
354 StatementNode * directiveStmt = nullptr;
355
356 static UniqueName anonymous;
357}; // DeclarationNode
358
359Type * buildType( TypeData * type );
360
361static inline Type * maybeMoveBuildType( const DeclarationNode * orig ) {
362 Type * ret = orig ? orig->buildType() : nullptr;
363 delete orig;
364 return ret;
365}
366
367//##############################################################################
368
369struct StatementNode final : public ParseNode {
370 StatementNode() { stmt = nullptr; }
371 StatementNode( Statement * stmt ) : stmt( stmt ) {}
372 StatementNode( DeclarationNode * decl );
373 virtual ~StatementNode() {}
374
375 virtual StatementNode * clone() const final { assert( false ); return nullptr; }
376 Statement * build() const { return const_cast<StatementNode *>(this)->stmt.release(); }
377
378 virtual StatementNode * add_label( const std::string * name, DeclarationNode * attr = nullptr ) {
379 stmt->get_labels().emplace_back( * name, nullptr, attr ? std::move( attr->attributes ) : std::list< Attribute * > {} );
380 delete attr;
381 delete name;
382 return this;
383 }
384
385 virtual StatementNode * append_last_case( StatementNode * );
386
387 virtual void print( std::ostream & os, __attribute__((unused)) int indent = 0 ) const override {
388 os << stmt.get() << std::endl;
389 }
390
391 std::unique_ptr<Statement> stmt;
392}; // StatementNode
393
394Statement * build_expr( ExpressionNode * ctl );
395
396struct CondCtl {
397 CondCtl( DeclarationNode * decl, ExpressionNode * condition ) :
398 init( decl ? new StatementNode( decl ) : nullptr ), condition( condition ) {}
399
400 StatementNode * init;
401 ExpressionNode * condition;
402};
403
404struct ForCtrl {
405 ForCtrl( ExpressionNode * expr, ExpressionNode * condition, ExpressionNode * change ) :
406 init( new StatementNode( build_expr( expr ) ) ), condition( condition ), change( change ) {}
407 ForCtrl( DeclarationNode * decl, ExpressionNode * condition, ExpressionNode * change ) :
408 init( new StatementNode( decl ) ), condition( condition ), change( change ) {}
409
410 StatementNode * init;
411 ExpressionNode * condition;
412 ExpressionNode * change;
413};
414
415Expression * build_if_control( CondCtl * ctl, std::list< Statement * > & init );
416Statement * build_if( CondCtl * ctl, StatementNode * then, StatementNode * else_ );
417Statement * build_switch( bool isSwitch, ExpressionNode * ctl, StatementNode * stmt );
418Statement * build_case( ExpressionNode * ctl );
419Statement * build_default();
420Statement * build_while( CondCtl * ctl, StatementNode * stmt, StatementNode * else_ = nullptr );
421Statement * build_do_while( ExpressionNode * ctl, StatementNode * stmt, StatementNode * else_ = nullptr );
422Statement * build_for( ForCtrl * forctl, StatementNode * stmt, StatementNode * else_ = nullptr );
423Statement * build_branch( BranchStmt::Type kind );
424Statement * build_branch( std::string * identifier, BranchStmt::Type kind );
425Statement * build_computedgoto( ExpressionNode * ctl );
426Statement * build_return( ExpressionNode * ctl );
427Statement * build_throw( ExpressionNode * ctl );
428Statement * build_resume( ExpressionNode * ctl );
429Statement * build_resume_at( ExpressionNode * ctl , ExpressionNode * target );
430Statement * build_try( StatementNode * try_, StatementNode * catch_, StatementNode * finally_ );
431Statement * build_catch( CatchStmt::Kind kind, DeclarationNode * decl, ExpressionNode * cond, StatementNode * body );
432Statement * build_finally( StatementNode * stmt );
433Statement * build_compound( StatementNode * first );
434StatementNode * maybe_build_compound( StatementNode * first );
435Statement * build_asm( bool voltile, Expression * instruction, ExpressionNode * output = nullptr, ExpressionNode * input = nullptr, ExpressionNode * clobber = nullptr, LabelNode * gotolabels = nullptr );
436Statement * build_directive( std::string * directive );
437SuspendStmt * build_suspend( StatementNode *, SuspendStmt::Type = SuspendStmt::None);
438WaitForStmt * build_waitfor( ExpressionNode * target, StatementNode * stmt, ExpressionNode * when );
439WaitForStmt * build_waitfor( ExpressionNode * target, StatementNode * stmt, ExpressionNode * when, WaitForStmt * existing );
440WaitForStmt * build_waitfor_timeout( ExpressionNode * timeout, StatementNode * stmt, ExpressionNode * when );
441WaitForStmt * build_waitfor_timeout( ExpressionNode * timeout, StatementNode * stmt, ExpressionNode * when, StatementNode * else_stmt, ExpressionNode * else_when );
442Statement * build_with( ExpressionNode * exprs, StatementNode * stmt );
443Statement * build_mutex( ExpressionNode * exprs, StatementNode * stmt );
444
445//##############################################################################
446
447template< typename SynTreeType, typename NodeType, template< typename, typename...> class Container, typename... Args >
448void buildList( const NodeType * firstNode, Container< SynTreeType *, Args... > & outputList ) {
449 SemanticErrorException errors;
450 std::back_insert_iterator< Container< SynTreeType *, Args... > > out( outputList );
451 const NodeType * cur = firstNode;
452
453 while ( cur ) {
454 try {
455 SynTreeType * result = dynamic_cast< SynTreeType * >( maybeBuild< typename std::pointer_traits< decltype(cur->build())>::element_type >( cur ) );
456 if ( result ) {
457 result->location = cur->location;
458 * out++ = result;
459 } else {
460 SemanticError( cur->location, "type specifier declaration in forall clause is currently unimplemented." );
461 } // if
462 } catch( SemanticErrorException & e ) {
463 errors.append( e );
464 } // try
465 cur = dynamic_cast< NodeType * >( cur->get_next() );
466 } // while
467 if ( ! errors.isEmpty() ) {
468 throw errors;
469 } // if
470}
471
472// in DeclarationNode.cc
473void buildList( const DeclarationNode * firstNode, std::list< Declaration * > & outputList );
474void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > & outputList );
475void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > & outputList );
476
477template< typename SynTreeType, typename NodeType >
478void buildMoveList( const NodeType * firstNode, std::list< SynTreeType * > & outputList ) {
479 buildList( firstNode, outputList );
480 delete firstNode;
481}
482
483// in ParseNode.cc
484std::ostream & operator<<( std::ostream & out, const ParseNode * node );
485
486// Local Variables: //
487// tab-width: 4 //
488// mode: c++ //
489// compile-command: "make install" //
490// End: //
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