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/*
* Copyright 2013-2018 Adrian Thurston <thurston@colm.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _COLM_PARSER_H
#define _COLM_PARSER_H
#include <iostream>
#include <avltree.h>
#include "compiler.h"
#include "parser.h"
#define PROPERTY_REDUCE_FIRST 0x1
struct BaseParser
{
BaseParser( Compiler *pd )
: pd(pd), enterRl(false)
{}
virtual ~BaseParser() {}
Compiler *pd;
RegionSetVect regionStack;
NamespaceVect namespaceStack;
ReductionVect reductionStack;
StructStack structStack;
ObjectDef *localFrameTop;
NameScope *scopeTop;
bool enterRl;
bool insideRegion()
{ return regionStack.length() > 0; }
StructDef *curStruct()
{ return structStack.length() == 0 ? 0 : structStack.top(); }
Namespace *curNspace()
{ return namespaceStack.top(); }
NameScope *curScope()
{ return scopeTop; }
ObjectDef *curLocalFrame()
{ return localFrameTop; }
Reduction *curReduction()
{ return reductionStack.top(); }
/* Lexical feedback. */
void listElDef( String name );
void mapElDef( String name, TypeRef *keyType );
void argvDecl();
void init();
void addRegularDef( const InputLoc &loc, Namespace *nspace,
const String &name, LexJoin *join );
TokenRegion *createRegion( const InputLoc &loc, RegionImpl *impl );
Namespace *createRootNamespace();
Namespace *createNamespace( const InputLoc &loc, const String &name );
void pushRegionSet( const InputLoc &loc );
void popRegionSet();
void addProduction( const InputLoc &loc, const String &name,
ProdElList *prodElList, bool commit,
CodeBlock *redBlock, LangEl *predOf );
void addArgvList();
void addStdsList();
LexJoin *literalJoin( const InputLoc &loc, const String &data );
Reduction *createReduction( const InputLoc loc, const String &name );
void defineToken( const InputLoc &loc, String name, LexJoin *join,
ObjectDef *objectDef, CodeBlock *transBlock,
bool ignore, bool noPreIgnore, bool noPostIgnore );
void zeroDef( const InputLoc &loc, const String &name );
void literalDef( const InputLoc &loc, const String &data,
bool noPreIgnore, bool noPostIgnore );
ObjectDef *blockOpen();
void blockClose();
void inHostDef( const String &hostCall, ObjectDef *localFrame,
ParameterList *paramList, TypeRef *typeRef,
const String &name, bool exprt );
void functionDef( StmtList *stmtList, ObjectDef *localFrame,
ParameterList *paramList, TypeRef *typeRef,
const String &name, bool exprt );
void iterDef( StmtList *stmtList, ObjectDef *localFrame,
ParameterList *paramList, const String &name );
LangStmt *globalDef( ObjectField *objField, LangExpr *expr,
LangStmt::Type assignType );
void cflDef( NtDef *ntDef, ObjectDef *objectDef, LelProdList *defList );
ReOrBlock *lexRegularExprData( ReOrBlock *reOrBlock, ReOrItem *reOrItem );
int lexFactorRepNum( const InputLoc &loc, const String &data );
LexFactor *lexRlFactorName( const String &data, const InputLoc &loc );
LexFactorAug *lexFactorLabel( const InputLoc &loc, const String &data,
LexFactorAug *factorAug );
LexJoin *lexOptJoin( LexJoin *join, LexJoin *context );
LangExpr *send( const InputLoc &loc, LangVarRef *varRef,
ConsItemList *list, bool eof );
LangExpr *sendTree( const InputLoc &loc, LangVarRef *varRef,
ConsItemList *list, bool eof );
LangExpr *parseCmd( const InputLoc &loc, bool tree, bool stop, ObjectField *objField,
TypeRef *typeRef, FieldInitVect *fieldInitVect, ConsItemList *list,
bool used, bool reduce, bool read, const String &reducer );
PatternItemList *consPatternEl( LangVarRef *varRef, PatternItemList *list );
PatternItemList *patternElNamed( const InputLoc &loc, LangVarRef *varRef,
NamespaceQual *nspaceQual, const String &data, RepeatType repeatType );
PatternItemList *patternElType( const InputLoc &loc, LangVarRef *varRef,
NamespaceQual *nspaceQual, const String &data, RepeatType repeatType );
PatternItemList *patListConcat( PatternItemList *list1, PatternItemList *list2 );
ConsItemList *consListConcat( ConsItemList *list1, ConsItemList *list2 );
LangStmt *forScope( const InputLoc &loc, const String &data,
NameScope *scope, TypeRef *typeRef, IterCall *iterCall, StmtList *stmtList );
void preEof( const InputLoc &loc, StmtList *stmtList, ObjectDef *localFrame );
ProdEl *prodElName( const InputLoc &loc, const String &data,
NamespaceQual *nspaceQual, ObjectField *objField, RepeatType repeatType,
bool commit );
ProdEl *prodElLiteral( const InputLoc &loc, const String &data,
NamespaceQual *nspaceQual, ObjectField *objField, RepeatType repeatType,
bool commit );
ConsItemList *consElLiteral( const InputLoc &loc, TypeRef *consTypeRef,
const String &data, NamespaceQual *nspaceQual );
Production *production( const InputLoc &loc, ProdElList *prodElList,
String name, bool commit, CodeBlock *codeBlock, LangEl *predOf );
void objVarDef( ObjectDef *objectDef, ObjectField *objField );
LelProdList *prodAppend( LelProdList *defList, Production *definition );
LangExpr *construct( const InputLoc &loc, ObjectField *objField,
ConsItemList *list, TypeRef *typeRef, FieldInitVect *fieldInitVect );
LangExpr *match( const InputLoc &loc, LangVarRef *varRef,
PatternItemList *list );
LangExpr *prodCompare( const InputLoc &loc, LangVarRef *varRef,
const String &prod, LangExpr *matchExpr );
LangStmt *varDef( ObjectField *objField,
LangExpr *expr, LangStmt::Type assignType );
LangStmt *exportStmt( ObjectField *objField, LangStmt::Type assignType, LangExpr *expr );
LangExpr *require( const InputLoc &loc, LangVarRef *varRef, PatternItemList *list );
void structVarDef( const InputLoc &loc, ObjectField *objField );
void structHead( const InputLoc &loc, Namespace *inNspace,
const String &data, ObjectDef::Type objectType );
StmtList *appendStatement( StmtList *stmtList, LangStmt *stmt );
ParameterList *appendParam( ParameterList *paramList, ObjectField *objField );
ObjectField *addParam( const InputLoc &loc,
ObjectField::Type type, TypeRef *typeRef, const String &name );
PredDecl *predTokenName( const InputLoc &loc, NamespaceQual *qual, const String &data );
PredDecl *predTokenLit( const InputLoc &loc, const String &data,
NamespaceQual *nspaceQual );
void alias( const InputLoc &loc, const String &data, TypeRef *typeRef );
void precedenceStmt( PredType predType, PredDeclList *predDeclList );
ProdElList *appendProdEl( ProdElList *prodElList, ProdEl *prodEl );
void pushScope();
void popScope();
virtual void go( long activeRealm ) = 0;
BstSet<String, ColmCmpStr> genericElDefined;
NamespaceQual *emptyNspaceQual()
{
return NamespaceQual::cons( curNspace() );
}
};
#endif /* _COLM_PARSER_H */
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