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/***************************************************************************
gb.eval.h
(c) 2000-2017 Benoît Minisini <benoit.minisini@gambas-basic.org>
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, 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., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
***************************************************************************/
#ifndef __GB_EVAL_H
#define __GB_EVAL_H
#include "gambas.h"
#include "gbc_read_common.h"
/*#define DEBUG*/
typedef
bool (*EVAL_FUNCTION)(const char *, int, GB_VARIANT *);
typedef
void *EVAL_EXPRESSION;
#define EVAL_COLOR_MAX_LEN 1023
typedef
struct {
unsigned state : 5;
unsigned alternate : 1;
unsigned len : 10;
}
EVAL_COLOR;
typedef
EVAL_COLOR *EVAL_COLOR_ARRAY;
typedef
struct
{
char *str;
EVAL_COLOR *color;
int len;
int proc;
int state;
int len_before;
}
EVAL_ANALYZE;
#define EVAL_NORMAL 0
#define EVAL_USE_CONTEXT 1
typedef
enum
{
HIGHLIGHT_BACKGROUND,
HIGHLIGHT_NORMAL,
HIGHLIGHT_SELECTION,
HIGHLIGHT_ALTERNATE,
HIGHLIGHT_HIGHLIGHT,
HIGHLIGHT_LINE,
HIGHLIGHT_ADDED,
HIGHLIGHT_REMOVED,
HIGHLIGHT_ERROR,
HIGHLIGHT_COMMENT,
HIGHLIGHT_HELP,
HIGHLIGHT_KEYWORD,
HIGHLIGHT_SUBR,
HIGHLIGHT_OPERATOR,
HIGHLIGHT_SYMBOL,
HIGHLIGHT_NUMBER,
HIGHLIGHT_STRING,
HIGHLIGHT_BREAKPOINT,
HIGHLIGHT_CURRENT,
HIGHLIGHT_DATATYPE,
HIGHLIGHT_PREPROCESSOR,
HIGHLIGHT_ESCAPE,
HIGHLIGHT_LABEL,
HIGHLIGHT_CONSTANT,
HIGHLIGHT_NUM_COLOR
}
HIGHLIGHT_COLOR;
typedef
struct {
int version;
void (*Analyze)(const char *src, int len, int state, EVAL_ANALYZE *result, bool rewrite);
void (*New)(EVAL_EXPRESSION *expr, const char *src, int len);
bool (*Compile)(EVAL_EXPRESSION expr, bool assign);
GB_VALUE *(*Run)(EVAL_EXPRESSION expr, EVAL_FUNCTION func);
void (*Free)(EVAL_EXPRESSION *expr);
bool (*GetAssignmentSymbol)(EVAL_EXPRESSION expr, const char **sym, int *len);
}
EVAL_INTERFACE;
#define EVAL_INTERFACE_VERSION 2
#endif
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