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/*
* Copyright 2013 Adrian Thurston <thurston@complang.org>
*/
/* This file is part of Colm.
*
* Colm is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Colm is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Colm; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PARSER_H
#define PARSER_H
#include <iostream>
#include "avltree.h"
#include "parsedata.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;
ContextStack contextStack;
ObjectDef *curLocalFrame;
ObjNameScope *curScope;
bool enterRl;
bool insideRegion()
{ return regionStack.length() > 0; }
Context *curContext()
{ return contextStack.length() == 0 ? 0 : contextStack.top(); }
Namespace *curNspace()
{ return namespaceStack.top(); }
/* Lexical feedback. */
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();
LexJoin *literalJoin( const InputLoc &loc, const String &data );
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 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, LelDefList *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 *parseCmd( const InputLoc &loc, bool stop, ObjectField *objField,
TypeRef *typeRef, FieldInitVect *fieldInitVect, ConsItemList *list );
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,
ObjNameScope *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 );
LelDefList *prodAppend( LelDefList *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 );
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 contextVarDef( const InputLoc &loc, ObjectField *objField );
void contextHead( const InputLoc &loc, const String &data );
StmtList *appendStatement( StmtList *stmtList, LangStmt *stmt );
ParameterList *appendParam( ParameterList *paramList, ObjectField *objField );
ObjectField *addParam( const InputLoc &loc, 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;
};
#endif
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