source: src/Parser/ParseNode.h@ b542bfb

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors ctor 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 b542bfb was 413ad05, checked in by Peter A. Buhr <pabuhr@…>, 9 years ago

more refactoring of parser code
  • Property mode set to 100644
File size: 16.6 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 : Peter A. Buhr
12// Last Modified On : Sun Aug 28 21:14:51 2016
13// Update Count : 575
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;
37
38//##############################################################################
39
40class ParseNode {
41 public:
42 ParseNode() {};
43 ParseNode( const std::string *name ) : name( *name ) { assert( false ); delete name; }
44 ParseNode( const std::string &name ) : name( name ) { assert( false ); }
45 virtual ~ParseNode() { delete next; };
46 virtual ParseNode *clone() const = 0;
47
48 ParseNode *get_next() const { return next; }
49 ParseNode *set_next( ParseNode *newlink ) { next = newlink; return this; }
50 ParseNode *get_last() {
51 ParseNode *current;
52 for ( current = this; current->get_next() != 0; current = current->get_next() );
53 return current;
54 }
55 ParseNode *set_last( ParseNode *newlast ) {
56 if ( newlast != 0 ) get_last()->set_next( newlast );
57 return this;
58 }
59
60 const std::string &get_name() const { return name; }
61 void set_name( const std::string &newValue ) { name = newValue; }
62
63 virtual void print( std::ostream &os, int indent = 0 ) const {}
64 virtual void printList( std::ostream &os, int indent = 0 ) const {}
65 private:
66 static int indent_by;
67
68 ParseNode *next = nullptr;
69 std::string name;
70}; // ParseNode
71
72//##############################################################################
73
74class InitializerNode : public ParseNode {
75 public:
76 InitializerNode( ExpressionNode *, bool aggrp = false, ExpressionNode *des = 0 );
77 InitializerNode( InitializerNode *, bool aggrp = false, ExpressionNode *des = 0 );
78 ~InitializerNode();
79 virtual InitializerNode *clone() const { assert( false ); return nullptr; }
80
81 ExpressionNode *get_expression() const { return expr; }
82
83 InitializerNode *set_designators( ExpressionNode *des ) { designator = des; return this; }
84 ExpressionNode *get_designators() const { return designator; }
85
86 InitializerNode *set_maybeConstructed( bool value ) { maybeConstructed = value; return this; }
87 bool get_maybeConstructed() const { return maybeConstructed; }
88
89 InitializerNode *next_init() const { return kids; }
90
91 void print( std::ostream &os, int indent = 0 ) const;
92 void printOneLine( std::ostream & ) const;
93
94 virtual Initializer *build() const;
95 private:
96 ExpressionNode *expr;
97 bool aggregate;
98 ExpressionNode *designator; // may be list
99 InitializerNode *kids;
100 bool maybeConstructed;
101}; // InitializerNode
102
103//##############################################################################
104
105class ExpressionNode final : public ParseNode {
106 public:
107 ExpressionNode( Expression * expr = nullptr ) : expr( expr ) {}
108 ExpressionNode( Expression * expr, const std::string *name ) : ParseNode( name ), expr( expr ) {}
109 ExpressionNode( const ExpressionNode &other );
110 virtual ~ExpressionNode() {}
111 virtual ExpressionNode *clone() const { return expr ? new ExpressionNode( expr->clone() ) : nullptr; }
112
113 bool get_extension() const { return extension; }
114 ExpressionNode *set_extension( bool exten ) { extension = exten; return this; }
115
116 void print( std::ostream &os, int indent = 0 ) const {}
117 void printOneLine( std::ostream &os, int indent = 0 ) const {}
118
119 template<typename T>
120 bool isExpressionType() const {
121 return nullptr != dynamic_cast<T>(expr.get());
122 }
123
124 Expression *build() const { return const_cast<ExpressionNode*>(this)->expr.release(); }
125 private:
126 bool extension = false;
127 std::unique_ptr<Expression> expr;
128}; // ExpressionNode
129
130template< typename T >
131struct maybeBuild_t< Expression, T > {
132 static inline Expression * doit( const T *orig ) {
133 if ( orig ) {
134 Expression *p = orig->build();
135 p->set_extension( orig->get_extension() );
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 );
161ConstantExpr *build_constantStr( const std::string &str );
162
163NameExpr *build_varref( const std::string *name, bool labelp = false );
164Expression *build_typevalue( DeclarationNode *decl );
165
166Expression *build_cast( DeclarationNode * decl_node, ExpressionNode *expr_node );
167Expression *build_fieldSel( ExpressionNode *expr_node, NameExpr *member );
168Expression *build_pfieldSel( ExpressionNode *expr_node, NameExpr *member );
169Expression *build_addressOf( ExpressionNode *expr_node );
170Expression *build_sizeOfexpr( ExpressionNode *expr_node );
171Expression *build_sizeOftype( DeclarationNode *decl_node );
172Expression *build_alignOfexpr( ExpressionNode *expr_node );
173Expression *build_alignOftype( DeclarationNode *decl_node );
174Expression *build_offsetOf( DeclarationNode *decl_node, NameExpr *member );
175Expression *build_and( ExpressionNode *expr_node1, ExpressionNode *expr_node2 );
176Expression *build_and_or( ExpressionNode *expr_node1, ExpressionNode *expr_node2, bool kind );
177Expression *build_unary_val( OperKinds op, ExpressionNode *expr_node );
178Expression *build_unary_ptr( OperKinds op, ExpressionNode *expr_node );
179Expression *build_binary_val( OperKinds op, ExpressionNode *expr_node1, ExpressionNode *expr_node2 );
180Expression *build_binary_ptr( OperKinds op, ExpressionNode *expr_node1, ExpressionNode *expr_node2 );
181Expression *build_cond( ExpressionNode *expr_node1, ExpressionNode *expr_node2, ExpressionNode *expr_node3 );
182Expression *build_comma( ExpressionNode *expr_node1, ExpressionNode *expr_node2 );
183Expression *build_attrexpr( NameExpr *var, ExpressionNode * expr_node );
184Expression *build_attrtype( NameExpr *var, DeclarationNode * decl_node );
185Expression *build_tuple( ExpressionNode * expr_node = 0 );
186Expression *build_func( ExpressionNode * function, ExpressionNode * expr_node );
187Expression *build_range( ExpressionNode * low, ExpressionNode *high );
188Expression *build_asmexpr( ExpressionNode *inout, ConstantExpr *constraint, ExpressionNode *operand );
189Expression *build_valexpr( StatementNode *s );
190Expression *build_compoundLiteral( DeclarationNode *decl_node, InitializerNode *kids );
191
192//##############################################################################
193
194class TypeData;
195
196class DeclarationNode : public ParseNode {
197 public:
198 enum Qualifier { Const, Restrict, Volatile, Lvalue, Atomic, NoOfQualifier };
199 enum StorageClass { Extern, Static, Auto, Register, Inline, Fortran, Noreturn, Threadlocal, NoStorageClass, };
200 enum BasicType { Char, Int, Float, Double, Void, Bool, Complex, Imaginary };
201 enum Modifier { Signed, Unsigned, Short, Long };
202 enum Aggregate { Struct, Union, Trait };
203 enum TypeClass { Type, Dtype, Ftype };
204 enum BuiltinType { Valist };
205
206 static const char *qualifierName[];
207 static const char *storageName[];
208 static const char *basicTypeName[];
209 static const char *modifierName[];
210 static const char *aggregateName[];
211 static const char *typeClassName[];
212 static const char *builtinTypeName[];
213
214 static DeclarationNode *newFunction( std::string *name, DeclarationNode *ret, DeclarationNode *param, StatementNode *body, bool newStyle = false );
215 static DeclarationNode *newQualifier( Qualifier );
216 static DeclarationNode *newForall( DeclarationNode *);
217 static DeclarationNode *newStorageClass( StorageClass );
218 static DeclarationNode *newBasicType( BasicType );
219 static DeclarationNode *newModifier( Modifier );
220 static DeclarationNode *newBuiltinType( BuiltinType );
221 static DeclarationNode *newFromTypedef( std::string *);
222 static DeclarationNode *newAggregate( Aggregate kind, const std::string *name, ExpressionNode *actuals, DeclarationNode *fields, bool body );
223 static DeclarationNode *newEnum( std::string *name, DeclarationNode *constants );
224 static DeclarationNode *newEnumConstant( std::string *name, ExpressionNode *constant );
225 static DeclarationNode *newName( std::string *);
226 static DeclarationNode *newFromTypeGen( std::string *, ExpressionNode *params );
227 static DeclarationNode *newTypeParam( TypeClass, std::string *);
228 static DeclarationNode *newTrait( std::string *name, DeclarationNode *params, DeclarationNode *asserts );
229 static DeclarationNode *newTraitUse( std::string *name, ExpressionNode *params );
230 static DeclarationNode *newTypeDecl( std::string *name, DeclarationNode *typeParams );
231 static DeclarationNode *newPointer( DeclarationNode *qualifiers );
232 static DeclarationNode *newArray( ExpressionNode *size, DeclarationNode *qualifiers, bool isStatic );
233 static DeclarationNode *newVarArray( DeclarationNode *qualifiers );
234 static DeclarationNode *newBitfield( ExpressionNode *size );
235 static DeclarationNode *newTuple( DeclarationNode *members );
236 static DeclarationNode *newTypeof( ExpressionNode *expr );
237 static DeclarationNode *newAttr( std::string *, ExpressionNode *expr );
238 static DeclarationNode *newAttr( std::string *, DeclarationNode *type );
239
240 DeclarationNode();
241 ~DeclarationNode();
242 DeclarationNode *clone() const;
243
244 DeclarationNode *addQualifiers( DeclarationNode *);
245 void checkQualifiers( const TypeData *, const TypeData * );
246 DeclarationNode *copyStorageClasses( DeclarationNode *);
247 DeclarationNode *addType( DeclarationNode *);
248 DeclarationNode *addTypedef();
249 DeclarationNode *addAssertions( DeclarationNode *);
250 DeclarationNode *addName( std::string *);
251 DeclarationNode *addBitfield( ExpressionNode *size );
252 DeclarationNode *addVarArgs();
253 DeclarationNode *addFunctionBody( StatementNode *body );
254 DeclarationNode *addOldDeclList( DeclarationNode *list );
255 DeclarationNode *addPointer( DeclarationNode *qualifiers );
256 DeclarationNode *addArray( DeclarationNode *array );
257 DeclarationNode *addNewPointer( DeclarationNode *pointer );
258 DeclarationNode *addNewArray( DeclarationNode *array );
259 DeclarationNode *addParamList( DeclarationNode *list );
260 DeclarationNode *addIdList( DeclarationNode *list ); // old-style functions
261 DeclarationNode *addInitializer( InitializerNode *init );
262
263 DeclarationNode *cloneType( std::string *newName );
264 DeclarationNode *cloneType( DeclarationNode *existing );
265 DeclarationNode *cloneType( int ) { return cloneType( ( std::string *)0 ); }
266 DeclarationNode *cloneBaseType( std::string *newName );
267 DeclarationNode *cloneBaseType( DeclarationNode *newdecl );
268
269 DeclarationNode *appendList( DeclarationNode *node ) {
270 return (DeclarationNode *)set_last( node );
271 }
272
273 void print( std::ostream &os, int indent = 0 ) const;
274 void printList( std::ostream &os, int indent = 0 ) const;
275
276 Declaration *build() const;
277 ::Type *buildType() const;
278
279 bool get_hasEllipsis() const;
280 const std::string &get_name() const { return name; }
281 LinkageSpec::Spec get_linkage() const { return linkage; }
282 DeclarationNode *extractAggregate() const;
283 bool has_enumeratorValue() const { return (bool)enumeratorValue; }
284 ExpressionNode *consume_enumeratorValue() const { return const_cast<DeclarationNode*>(this)->enumeratorValue.release(); }
285
286 bool get_extension() const { return extension; }
287 DeclarationNode *set_extension( bool exten ) { extension = exten; return this; }
288 public:
289 // StorageClass buildStorageClass() const;
290 // bool buildFuncSpecifier( StorageClass key ) const;
291
292 TypeData *type;
293 std::string name;
294 // std::list< StorageClass > storageClasses;
295 StorageClass storageClass;
296 bool isInline, isNoreturn;
297 std::list< std::string > attributes;
298 ExpressionNode *bitfieldWidth;
299 std::unique_ptr<ExpressionNode> enumeratorValue;
300 InitializerNode *initializer;
301 bool hasEllipsis;
302 LinkageSpec::Spec linkage;
303 bool extension = false;
304 std::string error;
305
306 static UniqueName anonymous;
307}; // DeclarationNode
308
309Type *buildType( TypeData *type );
310//Type::Qualifiers buildQualifiers( const TypeData::Qualifiers & qualifiers );
311
312static inline Type * maybeMoveBuildType( const DeclarationNode *orig ) {
313 Type* ret = orig ? orig->buildType() : nullptr;
314 delete orig;
315 return ret;
316}
317
318//##############################################################################
319
320class StatementNode final : public ParseNode {
321 public:
322 StatementNode() { stmt = nullptr; }
323 StatementNode( Statement *stmt ) : stmt( stmt ) {}
324 StatementNode( DeclarationNode *decl );
325 virtual ~StatementNode() {}
326
327 virtual StatementNode *clone() const final { assert( false ); return nullptr; }
328 Statement *build() const { return const_cast<StatementNode*>(this)->stmt.release(); }
329
330 virtual StatementNode *add_label( const std::string * name ) {
331 stmt->get_labels().emplace_back( *name );
332 delete name;
333 return this;
334 }
335
336 virtual StatementNode *append_last_case( StatementNode * );
337
338 virtual void print( std::ostream &os, int indent = 0 ) {}
339 virtual void printList( std::ostream &os, int indent = 0 ) {}
340 private:
341 std::unique_ptr<Statement> stmt;
342}; // StatementNode
343
344Statement *build_expr( ExpressionNode *ctl );
345
346struct ForCtl {
347 ForCtl( ExpressionNode *expr, ExpressionNode *condition, ExpressionNode *change ) :
348 init( new StatementNode( build_expr( expr ) ) ), condition( condition ), change( change ) {}
349 ForCtl( DeclarationNode *decl, ExpressionNode *condition, ExpressionNode *change ) :
350 init( new StatementNode( decl ) ), condition( condition ), change( change ) {}
351
352 StatementNode *init;
353 ExpressionNode *condition;
354 ExpressionNode *change;
355};
356
357Statement *build_if( ExpressionNode *ctl, StatementNode *then_stmt, StatementNode *else_stmt );
358Statement *build_switch( ExpressionNode *ctl, StatementNode *stmt );
359Statement *build_case( ExpressionNode *ctl );
360Statement *build_default();
361Statement *build_while( ExpressionNode *ctl, StatementNode *stmt, bool kind = false );
362Statement *build_for( ForCtl *forctl, StatementNode *stmt );
363Statement *build_branch( BranchStmt::Type kind );
364Statement *build_branch( std::string *identifier, BranchStmt::Type kind );
365Statement *build_computedgoto( ExpressionNode *ctl );
366Statement *build_return( ExpressionNode *ctl );
367Statement *build_throw( ExpressionNode *ctl );
368Statement *build_try( StatementNode *try_stmt, StatementNode *catch_stmt, StatementNode *finally_stmt );
369Statement *build_catch( DeclarationNode *decl, StatementNode *stmt, bool catchAny = false );
370Statement *build_finally( StatementNode *stmt );
371Statement *build_compound( StatementNode *first );
372Statement *build_asmstmt( bool voltile, ConstantExpr *instruction, ExpressionNode *output = 0, ExpressionNode *input = 0, ExpressionNode *clobber = 0, LabelNode *gotolabels = 0 );
373
374//##############################################################################
375
376template< typename SynTreeType, typename NodeType >
377void buildList( const NodeType *firstNode, std::list< SynTreeType * > &outputList ) {
378 SemanticError errors;
379 std::back_insert_iterator< std::list< SynTreeType * > > out( outputList );
380 const NodeType *cur = firstNode;
381
382 while ( cur ) {
383 try {
384// SynTreeType *result = dynamic_cast< SynTreeType * >( maybeBuild< typename std::result_of< decltype(&NodeType::build)(NodeType)>::type >( cur ) );
385 SynTreeType *result = dynamic_cast< SynTreeType * >( maybeBuild< typename std::pointer_traits< decltype(cur->build())>::element_type >( cur ) );
386 if ( result ) {
387 *out++ = result;
388 } else {
389 } // if
390 } catch( SemanticError &e ) {
391 errors.append( e );
392 } // try
393 cur = dynamic_cast< NodeType * >( cur->get_next() );
394 } // while
395 if ( ! errors.isEmpty() ) {
396 throw errors;
397 } // if
398}
399
400// in DeclarationNode.cc
401void buildList( const DeclarationNode *firstNode, std::list< Declaration * > &outputList );
402void buildList( const DeclarationNode *firstNode, std::list< DeclarationWithType * > &outputList );
403void buildTypeList( const DeclarationNode *firstNode, std::list< Type * > &outputList );
404
405template< typename SynTreeType, typename NodeType >
406void buildMoveList( const NodeType *firstNode, std::list< SynTreeType * > &outputList ) {
407 buildList(firstNode, outputList);
408 delete firstNode;
409}
410
411
412#endif // PARSENODE_H
413
414// Local Variables: //
415// tab-width: 4 //
416// mode: c++ //
417// compile-command: "make install" //
418// End: //
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