source: src/Parser/ParseNode.h@ 58b6d1b

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr no_list persistent-indexer pthread-emulation qualifiedEnum
Last change on this file since 58b6d1b was f2f512ba, checked in by Peter A. Buhr <pabuhr@…>, 7 years ago

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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 : Fri Jul 20 14:56:30 2018
13// Update Count : 850
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 "Parser/LinkageSpec.h" // for Spec
31#include "SynTree/Expression.h" // for Expression, ConstantExpr (ptr only)
32#include "SynTree/Label.h" // for Label
33#include "SynTree/Statement.h" // for Statement, BranchStmt, BranchStmt:...
34#include "SynTree/Type.h" // for Type, Type::FuncSpecifiers, Type::...
35
36class Attribute;
37class Declaration;
38class DeclarationNode;
39class DeclarationWithType;
40class ExpressionNode;
41class Initializer;
42class StatementNode;
43
44//##############################################################################
45
46typedef CodeLocation YYLTYPE;
47#define YYLTYPE_IS_DECLARED 1 /* alert the parser that we have our own definition */
48
49extern YYLTYPE yylloc;
50
51class ParseNode {
52 public:
53 ParseNode() {};
54 virtual ~ParseNode() { delete next; delete name; };
55 virtual ParseNode * clone() const = 0;
56
57 ParseNode * get_next() const { return next; }
58 ParseNode * set_next( ParseNode * newlink ) { next = newlink; return this; }
59
60 ParseNode * get_last() {
61 ParseNode * current;
62 for ( current = this; current->get_next() != nullptr; current = current->get_next() );
63 return current;
64 }
65 ParseNode * set_last( ParseNode * newlast ) {
66 if ( newlast != nullptr ) get_last()->set_next( newlast );
67 return this;
68 }
69
70 virtual void print( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const {}
71 virtual void printList( std::ostream & os, int indent = 0 ) const {
72 print( os, indent );
73 if ( next ) next->print( os, indent );
74 }
75
76 static int indent_by;
77
78 ParseNode * next = nullptr;
79 const std::string * name = nullptr;
80 CodeLocation location = yylloc;
81}; // ParseNode
82
83//##############################################################################
84
85class InitializerNode : public ParseNode {
86 public:
87 InitializerNode( ExpressionNode *, bool aggrp = false, ExpressionNode * des = nullptr );
88 InitializerNode( InitializerNode *, bool aggrp = false, ExpressionNode * des = nullptr );
89 InitializerNode( bool isDelete );
90 ~InitializerNode();
91 virtual InitializerNode * clone() const { assert( false ); return nullptr; }
92
93 ExpressionNode * get_expression() const { return expr; }
94
95 InitializerNode * set_designators( ExpressionNode * des ) { designator = des; return this; }
96 ExpressionNode * get_designators() const { return designator; }
97
98 InitializerNode * set_maybeConstructed( bool value ) { maybeConstructed = value; return this; }
99 bool get_maybeConstructed() const { return maybeConstructed; }
100
101 bool get_isDelete() const { return isDelete; }
102
103 InitializerNode * next_init() const { return kids; }
104
105 void print( std::ostream & os, int indent = 0 ) const;
106 void printOneLine( std::ostream & ) const;
107
108 virtual Initializer * build() const;
109 private:
110 ExpressionNode * expr;
111 bool aggregate;
112 ExpressionNode * designator; // may be list
113 InitializerNode * kids;
114 bool maybeConstructed;
115 bool isDelete;
116}; // InitializerNode
117
118//##############################################################################
119
120class ExpressionNode final : public ParseNode {
121 public:
122 ExpressionNode( Expression * expr = nullptr ) : expr( expr ) {}
123 virtual ~ExpressionNode() {}
124 virtual ExpressionNode * clone() const override { return expr ? static_cast<ExpressionNode*>((new ExpressionNode( expr->clone() ))->set_next( maybeClone( get_next() ) )) : nullptr; }
125
126 bool get_extension() const { return extension; }
127 ExpressionNode * set_extension( bool exten ) { extension = exten; return this; }
128
129 virtual void print( std::ostream & os, __attribute__((unused)) int indent = 0 ) const override {
130 os << expr.get();
131 }
132 void printOneLine( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const {}
133
134 template<typename T>
135 bool isExpressionType() const { return nullptr != dynamic_cast<T>(expr.get()); }
136
137 Expression * build() const { return const_cast<ExpressionNode *>(this)->expr.release(); }
138 private:
139 bool extension = false;
140 std::unique_ptr<Expression> expr;
141}; // ExpressionNode
142
143template< typename T >
144struct maybeBuild_t< Expression, T > {
145 static inline Expression * doit( const T * orig ) {
146 if ( orig ) {
147 Expression * p = orig->build();
148 p->set_extension( orig->get_extension() );
149 p->location = orig->location;
150 return p;
151 } else {
152 return nullptr;
153 } // if
154 }
155};
156
157// Must harmonize with OperName.
158enum class OperKinds {
159 // diadic
160 SizeOf, AlignOf, OffsetOf, Plus, Minus, Exp, Mul, Div, Mod, Or, And,
161 BitOr, BitAnd, Xor, Cast, LShift, RShift, LThan, GThan, LEThan, GEThan, Eq, Neq,
162 Assign, AtAssn, ExpAssn, MulAssn, DivAssn, ModAssn, PlusAssn, MinusAssn, LSAssn, RSAssn, AndAssn, ERAssn, OrAssn,
163 Index, Range,
164 // monadic
165 UnPlus, UnMinus, AddressOf, PointTo, Neg, BitNeg, Incr, IncrPost, Decr, DecrPost,
166 Ctor, Dtor,
167}; // OperKinds
168
169struct LabelNode {
170 std::list< Label > labels;
171};
172
173Expression * build_constantInteger( std::string & str ); // these 4 routines modify the string
174Expression * build_constantFloat( std::string & str );
175Expression * build_constantChar( std::string & str );
176Expression * build_constantStr( std::string & str );
177Expression * build_field_name_FLOATING_FRACTIONconstant( const std::string & str );
178Expression * build_field_name_FLOATING_DECIMALconstant( const std::string & str );
179Expression * build_field_name_FLOATINGconstant( const std::string & str );
180Expression * build_field_name_fraction_constants( Expression * fieldName, ExpressionNode * fracts );
181
182NameExpr * build_varref( const std::string * name );
183
184Expression * build_cast( DeclarationNode * decl_node, ExpressionNode * expr_node );
185Expression * build_keyword_cast( KeywordCastExpr::Target target, ExpressionNode * expr_node );
186Expression * build_virtual_cast( DeclarationNode * decl_node, ExpressionNode * expr_node );
187Expression * build_fieldSel( ExpressionNode * expr_node, Expression * member );
188Expression * build_pfieldSel( ExpressionNode * expr_node, Expression * member );
189Expression * build_offsetOf( DeclarationNode * decl_node, NameExpr * member );
190Expression * build_and( ExpressionNode * expr_node1, ExpressionNode * expr_node2 );
191Expression * build_and_or( ExpressionNode * expr_node1, ExpressionNode * expr_node2, bool kind );
192Expression * build_unary_val( OperKinds op, ExpressionNode * expr_node );
193Expression * build_unary_ptr( OperKinds op, ExpressionNode * expr_node );
194Expression * build_binary_val( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 );
195Expression * build_binary_ptr( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 );
196Expression * build_cond( ExpressionNode * expr_node1, ExpressionNode * expr_node2, ExpressionNode * expr_node3 );
197Expression * build_tuple( ExpressionNode * expr_node = nullptr );
198Expression * build_func( ExpressionNode * function, ExpressionNode * expr_node );
199Expression * build_compoundLiteral( DeclarationNode * decl_node, InitializerNode * kids );
200
201//##############################################################################
202
203struct TypeData;
204
205class DeclarationNode : public ParseNode {
206 public:
207 // These enumerations must harmonize with their names.
208 enum BasicType { Void, Bool, Char, Int, Float, Double, LongDouble, Int128, Float80, Float128, NoBasicType };
209 static const char * basicTypeNames[];
210 enum ComplexType { Complex, Imaginary, NoComplexType };
211 static const char * complexTypeNames[];
212 enum Signedness { Signed, Unsigned, NoSignedness };
213 static const char * signednessNames[];
214 enum Length { Short, Long, LongLong, NoLength };
215 static const char * lengthNames[];
216 enum Aggregate { Struct, Union, Exception, Trait, Coroutine, Monitor, Thread, NoAggregate };
217 static const char * aggregateNames[];
218 enum TypeClass { Otype, Dtype, Ftype, Ttype, NoTypeClass };
219 static const char * typeClassNames[];
220 enum BuiltinType { Valist, 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( Aggregate kind, const std::string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body );
237 static DeclarationNode * newEnum( const std::string * name, DeclarationNode * constants, bool body );
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( TypeClass, 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 );
251 static DeclarationNode * newAttr( const std::string *, ExpressionNode * expr ); // @ attributes
252 static DeclarationNode * newAttr( const std::string *, DeclarationNode * type ); // @ attributes
253 static DeclarationNode * newAttribute( const std::string *, ExpressionNode * expr = nullptr ); // gcc attributes
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 * addAssertions( DeclarationNode * );
268 DeclarationNode * addName( std::string * );
269 DeclarationNode * addAsmName( DeclarationNode * );
270 DeclarationNode * addBitfield( ExpressionNode * size );
271 DeclarationNode * addVarArgs();
272 DeclarationNode * addFunctionBody( StatementNode * body, ExpressionNode * with = nullptr );
273 DeclarationNode * addOldDeclList( DeclarationNode * list );
274 DeclarationNode * setBase( TypeData * newType );
275 DeclarationNode * copyAttribute( DeclarationNode * attr );
276 DeclarationNode * addPointer( DeclarationNode * qualifiers );
277 DeclarationNode * addArray( DeclarationNode * array );
278 DeclarationNode * addNewPointer( DeclarationNode * pointer );
279 DeclarationNode * addNewArray( DeclarationNode * array );
280 DeclarationNode * addParamList( DeclarationNode * list );
281 DeclarationNode * addIdList( DeclarationNode * list ); // old-style functions
282 DeclarationNode * addInitializer( InitializerNode * init );
283 DeclarationNode * addTypeInitializer( DeclarationNode * init );
284
285 DeclarationNode * cloneType( std::string * newName );
286 DeclarationNode * cloneBaseType( DeclarationNode * newdecl );
287
288 DeclarationNode * appendList( DeclarationNode * node ) {
289 return (DeclarationNode *)set_last( node );
290 }
291
292 virtual void print( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const override;
293 virtual void printList( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const override;
294
295 Declaration * build() const;
296 Type * buildType() const;
297
298 LinkageSpec::Spec get_linkage() const { return linkage; }
299 DeclarationNode * extractAggregate() const;
300 bool has_enumeratorValue() const { return (bool)enumeratorValue; }
301 ExpressionNode * consume_enumeratorValue() const { return const_cast<DeclarationNode *>(this)->enumeratorValue.release(); }
302
303 bool get_extension() const { return extension; }
304 DeclarationNode * set_extension( bool exten ) { extension = exten; return this; }
305
306 bool get_inLine() const { return inLine; }
307 DeclarationNode * set_inLine( bool inL ) { inLine = inL; return this; }
308 public:
309 DeclarationNode * get_last() { return (DeclarationNode *)ParseNode::get_last(); }
310
311 struct Variable_t {
312// const std::string * name;
313 DeclarationNode::TypeClass tyClass;
314 DeclarationNode * assertions;
315 DeclarationNode * initializer;
316 };
317 Variable_t variable;
318
319 struct Attr_t {
320// const std::string * name;
321 ExpressionNode * expr;
322 DeclarationNode * type;
323 };
324 Attr_t attr;
325
326 struct StaticAssert_t {
327 ExpressionNode * condition;
328 Expression * message;
329 };
330 StaticAssert_t assert;
331
332 BuiltinType builtin = NoBuiltinType;
333
334 TypeData * type = nullptr;
335
336 bool inLine = false;
337 Type::FuncSpecifiers funcSpecs;
338 Type::StorageClasses storageClasses;
339
340 ExpressionNode * bitfieldWidth = nullptr;
341 std::unique_ptr<ExpressionNode> enumeratorValue;
342 bool hasEllipsis = false;
343 LinkageSpec::Spec linkage;
344 Expression * asmName = nullptr;
345 std::list< Attribute * > attributes;
346 InitializerNode * initializer = nullptr;
347 bool extension = false;
348 std::string error;
349 StatementNode * asmStmt = nullptr;
350
351 static UniqueName anonymous;
352}; // DeclarationNode
353
354Type * buildType( TypeData * type );
355
356static inline Type * maybeMoveBuildType( const DeclarationNode * orig ) {
357 Type * ret = orig ? orig->buildType() : nullptr;
358 delete orig;
359 return ret;
360}
361
362//##############################################################################
363
364class StatementNode final : public ParseNode {
365 public:
366 StatementNode() { stmt = nullptr; }
367 StatementNode( Statement * stmt ) : stmt( stmt ) {}
368 StatementNode( DeclarationNode * decl );
369 virtual ~StatementNode() {}
370
371 virtual StatementNode * clone() const final { assert( false ); return nullptr; }
372 Statement * build() const { return const_cast<StatementNode *>(this)->stmt.release(); }
373
374 virtual StatementNode * add_label( const std::string * name, DeclarationNode * attr = nullptr ) {
375 stmt->get_labels().emplace_back( * name, nullptr, attr ? std::move( attr->attributes ) : std::list< Attribute * > {} );
376 delete attr;
377 delete name;
378 return this;
379 }
380
381 virtual StatementNode * append_last_case( StatementNode * );
382
383 virtual void print( std::ostream & os, __attribute__((unused)) int indent = 0 ) const override {
384 os << stmt.get() << std::endl;
385 }
386 private:
387 std::unique_ptr<Statement> stmt;
388}; // StatementNode
389
390Statement * build_expr( ExpressionNode * ctl );
391
392struct IfCtl {
393 IfCtl( DeclarationNode * decl, ExpressionNode * condition ) :
394 init( decl ? new StatementNode( decl ) : nullptr ), condition( condition ) {}
395
396 StatementNode * init;
397 ExpressionNode * condition;
398};
399
400struct ForCtl {
401 ForCtl( ExpressionNode * expr, ExpressionNode * condition, ExpressionNode * change ) :
402 init( new StatementNode( build_expr( expr ) ) ), condition( condition ), change( change ) {}
403 ForCtl( DeclarationNode * decl, ExpressionNode * condition, ExpressionNode * change ) :
404 init( new StatementNode( decl ) ), condition( condition ), change( change ) {}
405
406 StatementNode * init;
407 ExpressionNode * condition;
408 ExpressionNode * change;
409};
410
411Expression * build_if_control( IfCtl * ctl, std::list< Statement * > & init );
412Statement * build_if( IfCtl * ctl, StatementNode * then_stmt, StatementNode * else_stmt );
413Statement * build_switch( bool isSwitch, ExpressionNode * ctl, StatementNode * stmt );
414Statement * build_case( ExpressionNode * ctl );
415Statement * build_default();
416Statement * build_while( IfCtl * ctl, StatementNode * stmt );
417Statement * build_do_while( ExpressionNode * ctl, StatementNode * stmt );
418Statement * build_for( ForCtl * forctl, StatementNode * stmt );
419Statement * build_branch( BranchStmt::Type kind );
420Statement * build_branch( std::string * identifier, BranchStmt::Type kind );
421Statement * build_computedgoto( ExpressionNode * ctl );
422Statement * build_return( ExpressionNode * ctl );
423Statement * build_throw( ExpressionNode * ctl );
424Statement * build_resume( ExpressionNode * ctl );
425Statement * build_resume_at( ExpressionNode * ctl , ExpressionNode * target );
426Statement * build_try( StatementNode * try_stmt, StatementNode * catch_stmt, StatementNode * finally_stmt );
427Statement * build_catch( CatchStmt::Kind kind, DeclarationNode *decl, ExpressionNode *cond, StatementNode *body );
428Statement * build_finally( StatementNode * stmt );
429Statement * build_compound( StatementNode * first );
430Statement * build_asm( bool voltile, Expression * instruction, ExpressionNode * output = nullptr, ExpressionNode * input = nullptr, ExpressionNode * clobber = nullptr, LabelNode * gotolabels = nullptr );
431Statement * build_directive( std::string * directive );
432WaitForStmt * build_waitfor( ExpressionNode * target, StatementNode * stmt, ExpressionNode * when );
433WaitForStmt * build_waitfor( ExpressionNode * target, StatementNode * stmt, ExpressionNode * when, WaitForStmt * existing );
434WaitForStmt * build_waitfor_timeout( ExpressionNode * timeout, StatementNode * stmt, ExpressionNode * when );
435WaitForStmt * build_waitfor_timeout( ExpressionNode * timeout, StatementNode * stmt, ExpressionNode * when, StatementNode * else_stmt, ExpressionNode * else_when );
436WithStmt * build_with( ExpressionNode * exprs, StatementNode * stmt );
437
438//##############################################################################
439
440template< typename SynTreeType, typename NodeType, template< typename, typename...> class Container, typename... Args >
441void buildList( const NodeType * firstNode, Container< SynTreeType *, Args... > & outputList ) {
442 SemanticErrorException errors;
443 std::back_insert_iterator< Container< SynTreeType *, Args... > > out( outputList );
444 const NodeType * cur = firstNode;
445
446 while ( cur ) {
447 try {
448 SynTreeType * result = dynamic_cast< SynTreeType * >( maybeBuild< typename std::pointer_traits< decltype(cur->build())>::element_type >( cur ) );
449 if ( result ) {
450 result->location = cur->location;
451 * out++ = result;
452 } else {
453 assertf(false, "buildList unknown type");
454 } // if
455 } catch( SemanticErrorException & e ) {
456 errors.append( e );
457 } // try
458 cur = dynamic_cast< NodeType * >( cur->get_next() );
459 } // while
460 if ( ! errors.isEmpty() ) {
461 throw errors;
462 } // if
463}
464
465// in DeclarationNode.cc
466void buildList( const DeclarationNode * firstNode, std::list< Declaration * > & outputList );
467void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > & outputList );
468void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > & outputList );
469
470template< typename SynTreeType, typename NodeType >
471void buildMoveList( const NodeType * firstNode, std::list< SynTreeType * > & outputList ) {
472 buildList( firstNode, outputList );
473 delete firstNode;
474}
475
476// in ParseNode.cc
477std::ostream & operator<<( std::ostream & out, const ParseNode * node );
478
479// Local Variables: //
480// tab-width: 4 //
481// mode: c++ //
482// compile-command: "make install" //
483// End: //
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