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/* -*- c -*- */
/*
* builtins/builtins.h
*
* chpp
*
* Copyright (C) 1997-1998 Mark Probst
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __BUILTINS_H__
#define __BUILTINS_H__
#include "../list.h"
struct _value;
struct _outputWriter;
struct _dynstring;
struct _bytecode;
struct _environment;
struct _bcArgument;
#define BYTECODE_EMPTY(bc) ((bc) == 0 || ((bc)->type == BYTECODE_STRING && (bc)->v.string.string.length == 0))
typedef union
{
struct
{
struct _value *value;
int needCopy;
} value;
struct _bytecode *bytecode;
} macroArgument;
void removeWSAndEvalValue (struct _value *val, struct _outputWriter *ow);
struct _value* removeWSAndEvalValueIntoValue (struct _value *val);
struct _dynstring removeWSAndEvalValueIntoDS (struct _value *val);
struct _value* transformArgumentToScalar (macroArgument *arg);
void assureArgumentIsCopy (macroArgument *arg);
void registerBuiltIns (void);
void registerFileOps (void);
void registerStringOps (void);
void registerFlowCtl (void);
void registerArrayOps (void);
void registerHashOps (void);
void registerValues (void);
void registerWWWBuiltIns (void);
void registerDatabaseBuiltIns (void);
typedef void (*builtIn) (int numArgs, macroArgument *args, struct _environment *env,
struct _outputWriter *ow);
typedef void (*builtInGlobalEffector) (int numArgs, struct _bcArgument *args,
list *globalEffectList,
struct _environment *globalEffects);
typedef struct _environment* (*builtInEnvironmentor) (int numArgs, struct _bcArgument *args,
struct _environment *parentEnv);
void registerBuiltIn (const char *name, builtIn func, int evalParams,
builtInGlobalEffector globalEffector, builtInEnvironmentor environmentor);
#endif
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