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/*
Copyright (C) 1998,199 T. Scott Dattalo
This file is part of gpsim.
gpsim 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, or (at your option)
any later version.
gpsim 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 gpsim; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#if !defined (__COMMAND_H_)
#define __COMMAND_H_
#include <string>
#include <list>
using namespace std;
#include <unistd.h>
#include <glib.h>
#include "misc.h"
#include "../src/errors.h"
#include "../src/expr.h"
#include "../src/gpsim_def.h"
class Processor;
enum COMMAND_MODES
{
NO_COMMAND,
COMMAND_PENDING,
COMMAND_ERROR
};
// Token types for command options
#define OPT_TT_BITFLAG 1 //
#define OPT_TT_NUMERIC 2 // indicates that a numeric parameter
// is associated with the option
#define OPT_TT_STRING 3 // indicates that a string parameter
// is associated with the option
#define OPT_TT_SUBTYPE 4 // indicates that this command can
// be subtyped (e.g. the stimulus command
// is subtyped by the type of stimulus
// that is being created).
#define OPT_TT_SYMBOL 5 // A symbol is the option parameter
class command
{
public:
struct cmd_options *op;
string brief_doc;
string long_doc;
int token_value;
virtual bool can_span_lines() {return 0;};
command(const char *_name, const char *_abbr);
virtual ~command() {}
struct cmd_options *get_op()
{
return op;
};
const char *name() { return m_pName; }
const char *abbreviation() { return m_pAbbreviation; }
static Processor * GetActiveCPU(bool bDisplayWarnings=false);
int get_token() {return token_value;};
// Assume command is not repeatable
virtual int is_repeatable() { return 0; };
virtual double evaluate(Expression *);
virtual void evaluate(ExprList_t *eList,guint64 *, int *);
virtual Value *toValue(Expression *expr);
private:
const char *m_pName;
const char *m_pAbbreviation;
};
class cmd_options_expr
{
public:
cmd_options_expr(cmd_options *, Expression *);
~cmd_options_expr();
cmd_options *co;
Expression *expr;
};
extern command *command_list[];
extern int number_of_commands;
extern command *search_commands(const string &s);
extern int quit_gpsim;
extern void execute_line(char *);
#define DEBUG_PARSER 0
//========================================
// typedefs
typedef list<string> StringList_t;
#endif
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