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/* -*- c -*- */
/*
* bytecode.h
*
* chpp
*
* Copyright (C) 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 __BYTECODE_H__
#define __BYTECODE_H__
#include "environment.h"
#include "output.h"
#include "value.h"
#define BYTECODE_STRING 1
#define BYTECODE_QUOTED_STRING 2
#define BYTECODE_EVAL 3
#define BYTECODE_ARITH 4
#define BYTECODE_ASSIGNMENT 5
#define BYTECODE_MACRO 6
#define BYTECODE_MACRO_SUBVALUE 1
#define BYTECODE_MACRO_BYREF 2
#define BYTECODE_SUBSCRIPT_LIST 1
#define BYTECODE_SUBSCRIPT_HASH 2
struct _bytecode;
typedef struct _bcSubscript
{
int type;
struct _bytecode *bc;
struct _bcSubscript *next;
} bcSubscript;
typedef struct _bcArgument
{
struct _bytecode *bc;
struct _bcArgument *next;
} bcArgument;
typedef struct _bytecode
{
int type;
union
{
struct
{
dynstring string;
} string;
struct
{
struct _bytecode *bc;
} eval;
struct
{
struct _bytecode *bc;
} arith;
struct
{
int modify;
struct _bytecode *varName;
bcSubscript *subscript;
struct _bytecode *newValue;
} assignment;
struct
{
int flags;
struct _bytecode *nameOrValue;
bcSubscript *subscript;
int numArgs;
bcArgument *arguments;
} macro;
} v;
struct _bytecode *next;
} bytecode;
bytecode* bcNewString (dynstring *str);
bytecode* bcNewQuotedString (dynstring *str);
bytecode* bcNewEmpty (void);
bytecode* bcNewAssignment (int modify, bytecode *varName, bcSubscript *subscript,
bytecode *newValue);
bytecode* bcNewMacro (int flags, bytecode *nameOrValue, bcSubscript *subscript,
int numArgs, bcArgument *args);
bytecode* bcNewArithmetic (bytecode *bc);
bytecode* bcNewEvaluation (bytecode *bc);
bytecode* bcRemoveOuterWS (bytecode *bc);
int bcIsString (bytecode *bc);
void bcExecute (bytecode *bc, environment *env, outputWriter *ow);
value* bcExecuteIntoValue (bytecode *bc, environment *env, int *needCopy);
value* bcExecuteIntoCopiedValue (bytecode *bc, environment *env);
dynstring bcExecuteIntoDS (bytecode *bc, environment *env);
void bcExecuteMacro (value *macro, value *argList, environment *env, outputWriter *ow);
value* bcExecuteMacroIntoValue (value *macro, value *argList, environment *env, int *needCopy);
value* bcExecuteMacroIntoCopiedValue (value *macro, value *argList, environment *env);
dynstring bcExecuteMacroIntoDS (value *macro, value *argList, environment *env);
#endif
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