source: src/Parser/ParseNode.h@ b0440b7

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 new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since b0440b7 was b1e63ac5, checked in by Rob Schluntz <rschlunt@…>, 8 years ago

Merge branch 'master' into references
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File size: 18.6 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 : Andrew Beach
12// Last Modified On : Mon Jun 12 13:00:00 2017
13// Update Count : 779
14//
15
16#ifndef PARSENODE_H
17#define PARSENODE_H
18
19#include <string>
20#include <list>
21#include <iterator>
22#include <memory>
23
24#include "Parser/LinkageSpec.h"
25#include "SynTree/Type.h"
26#include "SynTree/Expression.h"
27#include "SynTree/Statement.h"
28#include "SynTree/Label.h"
29#include "Common/utility.h"
30#include "Common/UniqueName.h"
31
32class StatementNode;
33class CompoundStmtNode;
34class DeclarationNode;
35class ExpressionNode;
36class InitializerNode;
37class Attribute;
38
39//##############################################################################
40
41extern char * yyfilename;
42extern int yylineno;
43
44class ParseNode {
45 public:
46 ParseNode() {};
47 virtual ~ParseNode() { delete next; delete name; };
48 virtual ParseNode * clone() const = 0;
49
50 ParseNode * get_next() const { return next; }
51 ParseNode * set_next( ParseNode * newlink ) { next = newlink; return this; }
52
53 ParseNode * get_last() {
54 ParseNode * current;
55 for ( current = this; current->get_next() != nullptr; current = current->get_next() );
56 return current;
57 }
58 ParseNode * set_last( ParseNode * newlast ) {
59 if ( newlast != nullptr ) get_last()->set_next( newlast );
60 return this;
61 }
62
63 virtual void print( __attribute__((unused)) std::ostream &os, __attribute__((unused)) int indent = 0 ) const {}
64 virtual void printList( __attribute__((unused)) std::ostream &os, __attribute__((unused)) int indent = 0 ) const {}
65
66 static int indent_by;
67
68 ParseNode * next = nullptr;
69 std::string * name = nullptr;
70 CodeLocation location = { yyfilename, yylineno };
71}; // ParseNode
72
73//##############################################################################
74
75class InitializerNode : public ParseNode {
76 public:
77 InitializerNode( ExpressionNode *, bool aggrp = false, ExpressionNode * des = nullptr );
78 InitializerNode( InitializerNode *, bool aggrp = false, ExpressionNode * des = nullptr );
79 ~InitializerNode();
80 virtual InitializerNode * clone() const { assert( false ); return nullptr; }
81
82 ExpressionNode * get_expression() const { return expr; }
83
84 InitializerNode * set_designators( ExpressionNode * des ) { designator = des; return this; }
85 ExpressionNode * get_designators() const { return designator; }
86
87 InitializerNode * set_maybeConstructed( bool value ) { maybeConstructed = value; return this; }
88 bool get_maybeConstructed() const { return maybeConstructed; }
89
90 InitializerNode * next_init() const { return kids; }
91
92 void print( std::ostream &os, int indent = 0 ) const;
93 void printOneLine( std::ostream & ) const;
94
95 virtual Initializer * build() const;
96 private:
97 ExpressionNode * expr;
98 bool aggregate;
99 ExpressionNode * designator; // may be list
100 InitializerNode * kids;
101 bool maybeConstructed;
102}; // InitializerNode
103
104//##############################################################################
105
106class ExpressionNode final : public ParseNode {
107 public:
108 ExpressionNode( Expression * expr = nullptr ) : expr( expr ) {}
109 virtual ~ExpressionNode() {}
110 virtual ExpressionNode * clone() const override { return expr ? static_cast<ExpressionNode*>((new ExpressionNode( expr->clone() ))->set_next( maybeClone( get_next() ) )) : nullptr; }
111
112 bool get_extension() const { return extension; }
113 ExpressionNode * set_extension( bool exten ) { extension = exten; return this; }
114
115 virtual void print( __attribute__((unused)) std::ostream &os, __attribute__((unused)) int indent = 0 ) const override {}
116 void printOneLine( __attribute__((unused)) std::ostream &os, __attribute__((unused)) int indent = 0 ) const {}
117
118 template<typename T>
119 bool isExpressionType() const {
120 return nullptr != dynamic_cast<T>(expr.get());
121 }
122
123 Expression * build() const { return const_cast<ExpressionNode *>(this)->expr.release(); }
124 private:
125 bool extension = false;
126 std::unique_ptr<Expression> expr;
127}; // ExpressionNode
128
129template< typename T >
130struct maybeBuild_t< Expression, T > {
131 static inline Expression * doit( const T * orig ) {
132 if ( orig ) {
133 Expression * p = orig->build();
134 p->set_extension( orig->get_extension() );
135 p->location = orig->location;
136 return p;
137 } else {
138 return nullptr;
139 } // if
140 }
141};
142
143enum class OperKinds {
144 // diadic
145 SizeOf, AlignOf, OffsetOf, Plus, Minus, Mul, Div, Mod, Or, And,
146 BitOr, BitAnd, Xor, Cast, LShift, RShift, LThan, GThan, LEThan, GEThan, Eq, Neq,
147 Assign, AtAssn, MulAssn, DivAssn, ModAssn, PlusAssn, MinusAssn, LSAssn, RSAssn, AndAssn, ERAssn, OrAssn,
148 Index, Range,
149 // monadic
150 UnPlus, UnMinus, AddressOf, PointTo, Neg, BitNeg, Incr, IncrPost, Decr, DecrPost, LabelAddress,
151 Ctor, Dtor,
152}; // OperKinds
153
154struct LabelNode {
155 std::list< Label > labels;
156};
157
158Expression * build_constantInteger( const std::string &str );
159Expression * build_constantFloat( const std::string &str );
160Expression * build_constantChar( const std::string &str );
161Expression * build_constantZeroOne( const std::string &str );
162ConstantExpr * build_constantStr( const std::string &str );
163Expression * build_field_name_FLOATINGconstant( const std::string & str );
164Expression * build_field_name_fraction_constants( Expression * fieldName, ExpressionNode * fracts );
165Expression * build_field_name_REALFRACTIONconstant( const std::string & str );
166Expression * build_field_name_REALDECIMALconstant( const std::string & str );
167
168NameExpr * build_varref( const std::string * name );
169Expression * build_typevalue( DeclarationNode * decl );
170
171Expression * build_cast( DeclarationNode * decl_node, ExpressionNode * expr_node );
172Expression * build_fieldSel( ExpressionNode * expr_node, Expression * member );
173Expression * build_pfieldSel( ExpressionNode * expr_node, Expression * member );
174Expression * build_addressOf( ExpressionNode * expr_node );
175Expression * build_sizeOfexpr( ExpressionNode * expr_node );
176Expression * build_sizeOftype( DeclarationNode * decl_node );
177Expression * build_alignOfexpr( ExpressionNode * expr_node );
178Expression * build_alignOftype( DeclarationNode * decl_node );
179Expression * build_offsetOf( DeclarationNode * decl_node, NameExpr * member );
180Expression * build_and( ExpressionNode * expr_node1, ExpressionNode * expr_node2 );
181Expression * build_and_or( ExpressionNode * expr_node1, ExpressionNode * expr_node2, bool kind );
182Expression * build_unary_val( OperKinds op, ExpressionNode * expr_node );
183Expression * build_unary_ptr( OperKinds op, ExpressionNode * expr_node );
184Expression * build_binary_val( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 );
185Expression * build_binary_ptr( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 );
186Expression * build_cond( ExpressionNode * expr_node1, ExpressionNode * expr_node2, ExpressionNode * expr_node3 );
187Expression * build_comma( ExpressionNode * expr_node1, ExpressionNode * expr_node2 );
188Expression * build_attrexpr( NameExpr * var, ExpressionNode * expr_node );
189Expression * build_attrtype( NameExpr * var, DeclarationNode * decl_node );
190Expression * build_tuple( ExpressionNode * expr_node = nullptr );
191Expression * build_func( ExpressionNode * function, ExpressionNode * expr_node );
192Expression * build_range( ExpressionNode * low, ExpressionNode * high );
193Expression * build_asmexpr( ExpressionNode * inout, ConstantExpr * constraint, ExpressionNode * operand );
194Expression * build_valexpr( StatementNode * s );
195Expression * build_compoundLiteral( DeclarationNode * decl_node, InitializerNode * kids );
196
197//##############################################################################
198
199struct TypeData;
200
201class DeclarationNode : public ParseNode {
202 public:
203 enum BasicType { Void, Bool, Char, Int, Float, Double, LongDouble, NoBasicType };
204 enum ComplexType { Complex, Imaginary, NoComplexType };
205 enum Signedness { Signed, Unsigned, NoSignedness };
206 enum Length { Short, Long, LongLong, NoLength };
207 enum Aggregate { Struct, Union, Trait, Coroutine, Monitor, Thread, NoAggregate };
208 enum TypeClass { Otype, Dtype, Ftype, Ttype, NoTypeClass };
209 enum BuiltinType { Valist, Zero, One, NoBuiltinType };
210
211 static const char * basicTypeNames[];
212 static const char * complexTypeNames[];
213 static const char * signednessNames[];
214 static const char * lengthNames[];
215 static const char * aggregateNames[];
216 static const char * typeClassNames[];
217 static const char * builtinTypeNames[];
218
219 static DeclarationNode * newStorageClass( Type::StorageClasses );
220 static DeclarationNode * newFuncSpecifier( Type::FuncSpecifiers );
221 static DeclarationNode * newTypeQualifier( Type::Qualifiers );
222 static DeclarationNode * newBasicType( BasicType );
223 static DeclarationNode * newComplexType( ComplexType );
224 static DeclarationNode * newSignedNess( Signedness );
225 static DeclarationNode * newLength( Length );
226 static DeclarationNode * newBuiltinType( BuiltinType );
227 static DeclarationNode * newForall( DeclarationNode * );
228 static DeclarationNode * newFromTypedef( std::string * );
229 static DeclarationNode * newFunction( std::string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body, bool newStyle = false );
230 static DeclarationNode * newAggregate( Aggregate kind, const std::string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body );
231 static DeclarationNode * newEnum( std::string * name, DeclarationNode * constants, bool body );
232 static DeclarationNode * newEnumConstant( std::string * name, ExpressionNode * constant );
233 static DeclarationNode * newName( std::string * );
234 static DeclarationNode * newFromTypeGen( std::string *, ExpressionNode * params );
235 static DeclarationNode * newTypeParam( TypeClass, std::string * );
236 static DeclarationNode * newTrait( const std::string * name, DeclarationNode * params, DeclarationNode * asserts );
237 static DeclarationNode * newTraitUse( const std::string * name, ExpressionNode * params );
238 static DeclarationNode * newTypeDecl( std::string * name, DeclarationNode * typeParams );
239 static DeclarationNode * newPointer( DeclarationNode * qualifiers, OperKinds kind );
240 static DeclarationNode * newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic );
241 static DeclarationNode * newVarArray( DeclarationNode * qualifiers );
242 static DeclarationNode * newBitfield( ExpressionNode * size );
243 static DeclarationNode * newTuple( DeclarationNode * members );
244 static DeclarationNode * newTypeof( ExpressionNode * expr );
245 static DeclarationNode * newAttr( std::string *, ExpressionNode * expr ); // @ attributes
246 static DeclarationNode * newAttr( std::string *, DeclarationNode * type ); // @ attributes
247 static DeclarationNode * newAttribute( std::string *, ExpressionNode * expr = nullptr ); // gcc attributes
248 static DeclarationNode * newAsmStmt( StatementNode * stmt ); // gcc external asm statement
249
250 DeclarationNode();
251 ~DeclarationNode();
252 DeclarationNode * clone() const override;
253
254 DeclarationNode * addQualifiers( DeclarationNode * );
255 void checkQualifiers( const TypeData *, const TypeData * );
256 void checkSpecifiers( DeclarationNode * );
257 DeclarationNode * copySpecifiers( DeclarationNode * );
258 DeclarationNode * addType( DeclarationNode * );
259 DeclarationNode * addTypedef();
260 DeclarationNode * addAssertions( DeclarationNode * );
261 DeclarationNode * addName( std::string * );
262 DeclarationNode * addAsmName( DeclarationNode * );
263 DeclarationNode * addBitfield( ExpressionNode * size );
264 DeclarationNode * addVarArgs();
265 DeclarationNode * addFunctionBody( StatementNode * body );
266 DeclarationNode * addOldDeclList( DeclarationNode * list );
267 DeclarationNode * setBase( TypeData * newType );
268 DeclarationNode * copyAttribute( DeclarationNode * attr );
269 DeclarationNode * addPointer( DeclarationNode * qualifiers );
270 DeclarationNode * addArray( DeclarationNode * array );
271 DeclarationNode * addNewPointer( DeclarationNode * pointer );
272 DeclarationNode * addNewArray( DeclarationNode * array );
273 DeclarationNode * addParamList( DeclarationNode * list );
274 DeclarationNode * addIdList( DeclarationNode * list ); // old-style functions
275 DeclarationNode * addInitializer( InitializerNode * init );
276 DeclarationNode * addTypeInitializer( DeclarationNode * init );
277
278 DeclarationNode * cloneType( std::string * newName );
279 DeclarationNode * cloneBaseType( DeclarationNode * newdecl );
280
281 DeclarationNode * appendList( DeclarationNode * node ) {
282 return (DeclarationNode *)set_last( node );
283 }
284
285 virtual void print( __attribute__((unused)) std::ostream &os, __attribute__((unused)) int indent = 0 ) const override;
286 virtual void printList( __attribute__((unused)) std::ostream &os, __attribute__((unused)) int indent = 0 ) const override;
287
288 Declaration * build() const;
289 Type * buildType() const;
290
291 bool get_hasEllipsis() const;
292 LinkageSpec::Spec get_linkage() const { return linkage; }
293 DeclarationNode * extractAggregate() const;
294 bool has_enumeratorValue() const { return (bool)enumeratorValue; }
295 ExpressionNode * consume_enumeratorValue() const { return const_cast<DeclarationNode *>(this)->enumeratorValue.release(); }
296
297 bool get_extension() const { return extension; }
298 DeclarationNode * set_extension( bool exten ) { extension = exten; return this; }
299 public:
300 struct Variable_t {
301// const std::string * name;
302 DeclarationNode::TypeClass tyClass;
303 DeclarationNode * assertions;
304 DeclarationNode * initializer;
305 };
306 Variable_t variable;
307
308 struct Attr_t {
309// const std::string * name;
310 ExpressionNode * expr;
311 DeclarationNode * type;
312 };
313 Attr_t attr;
314
315 BuiltinType builtin;
316
317 TypeData * type;
318
319 Type::FuncSpecifiers funcSpecs;
320 Type::StorageClasses storageClasses;
321
322 ExpressionNode * bitfieldWidth;
323 std::unique_ptr<ExpressionNode> enumeratorValue;
324 bool hasEllipsis;
325 LinkageSpec::Spec linkage;
326 ConstantExpr *asmName;
327 std::list< Attribute * > attributes;
328 InitializerNode * initializer;
329 bool extension = false;
330 std::string error;
331 StatementNode * asmStmt;
332
333 static UniqueName anonymous;
334}; // DeclarationNode
335
336Type * buildType( TypeData * type );
337
338static inline Type * maybeMoveBuildType( const DeclarationNode * orig ) {
339 Type * ret = orig ? orig->buildType() : nullptr;
340 delete orig;
341 return ret;
342}
343
344//##############################################################################
345
346class StatementNode final : public ParseNode {
347 public:
348 StatementNode() { stmt = nullptr; }
349 StatementNode( Statement * stmt ) : stmt( stmt ) {}
350 StatementNode( DeclarationNode * decl );
351 virtual ~StatementNode() {}
352
353 virtual StatementNode * clone() const final { assert( false ); return nullptr; }
354 Statement * build() const { return const_cast<StatementNode *>(this)->stmt.release(); }
355
356 virtual StatementNode * add_label( const std::string * name, DeclarationNode * attr = nullptr ) {
357 stmt->get_labels().emplace_back( * name, nullptr, attr ? std::move( attr->attributes ) : std::list< Attribute * > {} );
358 delete attr;
359 delete name;
360 return this;
361 }
362
363 virtual StatementNode * append_last_case( StatementNode * );
364
365 virtual void print( __attribute__((unused)) std::ostream &os, __attribute__((unused)) int indent = 0 ) const override {}
366 virtual void printList( __attribute__((unused)) std::ostream &os, __attribute__((unused)) int indent = 0 ) const override {}
367 private:
368 std::unique_ptr<Statement> stmt;
369}; // StatementNode
370
371Statement * build_expr( ExpressionNode * ctl );
372
373struct ForCtl {
374 ForCtl( ExpressionNode * expr, ExpressionNode * condition, ExpressionNode * change ) :
375 init( new StatementNode( build_expr( expr ) ) ), condition( condition ), change( change ) {}
376 ForCtl( DeclarationNode * decl, ExpressionNode * condition, ExpressionNode * change ) :
377 init( new StatementNode( decl ) ), condition( condition ), change( change ) {}
378
379 StatementNode * init;
380 ExpressionNode * condition;
381 ExpressionNode * change;
382};
383
384Statement * build_if( ExpressionNode * ctl, StatementNode * then_stmt, StatementNode * else_stmt );
385Statement * build_switch( ExpressionNode * ctl, StatementNode * stmt );
386Statement * build_case( ExpressionNode * ctl );
387Statement * build_default();
388Statement * build_while( ExpressionNode * ctl, StatementNode * stmt, bool kind = false );
389Statement * build_for( ForCtl * forctl, StatementNode * stmt );
390Statement * build_branch( BranchStmt::Type kind );
391Statement * build_branch( std::string * identifier, BranchStmt::Type kind );
392Statement * build_computedgoto( ExpressionNode * ctl );
393Statement * build_return( ExpressionNode * ctl );
394Statement * build_throw( ExpressionNode * ctl );
395Statement * build_resume( ExpressionNode * ctl );
396Statement * build_resume_at( ExpressionNode * ctl , ExpressionNode * target );
397Statement * build_try( StatementNode * try_stmt, StatementNode * catch_stmt, StatementNode * finally_stmt );
398Statement * build_catch( CatchStmt::Kind kind, DeclarationNode *decl, ExpressionNode *cond, StatementNode *body );
399Statement * build_finally( StatementNode * stmt );
400Statement * build_compound( StatementNode * first );
401Statement * build_asmstmt( bool voltile, ConstantExpr * instruction, ExpressionNode * output = nullptr, ExpressionNode * input = nullptr, ExpressionNode * clobber = nullptr, LabelNode * gotolabels = nullptr );
402
403//##############################################################################
404
405template< typename SynTreeType, typename NodeType, template< typename, typename...> class Container, typename... Args >
406void buildList( const NodeType * firstNode, Container< SynTreeType *, Args... > &outputList ) {
407 SemanticError errors;
408 std::back_insert_iterator< Container< SynTreeType *, Args... > > out( outputList );
409 const NodeType * cur = firstNode;
410
411 while ( cur ) {
412 try {
413 SynTreeType * result = dynamic_cast< SynTreeType * >( maybeBuild< typename std::pointer_traits< decltype(cur->build())>::element_type >( cur ) );
414 if ( result ) {
415 result->location = cur->location;
416 * out++ = result;
417 } else {
418 assertf(false, "buildList unknown type");
419 } // if
420 } catch( SemanticError &e ) {
421 e.set_location( cur->location );
422 errors.append( e );
423 } // try
424 cur = dynamic_cast< NodeType * >( cur->get_next() );
425 } // while
426 if ( ! errors.isEmpty() ) {
427 throw errors;
428 } // if
429}
430
431// in DeclarationNode.cc
432void buildList( const DeclarationNode * firstNode, std::list< Declaration * > &outputList );
433void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > &outputList );
434void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > &outputList );
435
436template< typename SynTreeType, typename NodeType >
437void buildMoveList( const NodeType * firstNode, std::list< SynTreeType * > &outputList ) {
438 buildList( firstNode, outputList );
439 delete firstNode;
440}
441
442// in ParseNode.cc
443std::ostream & operator<<( std::ostream & out, const ParseNode * node );
444
445#endif // PARSENODE_H
446
447// Local Variables: //
448// tab-width: 4 //
449// mode: c++ //
450// compile-command: "make install" //
451// End: //
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