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/* $MirOS: contrib/code/jupp/syntax.h,v 1.2 2008/05/13 13:08:26 tg Exp $ */
#ifndef _Isyntax
#define _Isyntax 1
#include "hash.h"
/*
* Syntax highlighting DFA interpreter
* Copyright
* (C) 2004 Joseph H. Allen
*
* This file is part of JOE (Joe's Own Editor)
*/
/* Color definition */
struct high_color {
struct high_color *next;
unsigned char *name; /* Symbolic name of color */
int color; /* Color value */
};
/* State */
struct high_state {
int no; /* State number */
unsigned char *name; /* Highlight state name */
int color; /* Color for this state */
struct high_cmd *cmd[256]; /* Character table */
};
/* Command (transition) */
struct high_cmd {
int noeat; /* Set to give this character to next state */
int recolor; /* No. chars to recolor if <0. */
int start_buffering; /* Set if we should start buffering */
int stop_buffering; /* Set if we should stop buffering */
struct high_state *new_state; /* The new state */
HASH *keywords; /* Hash table of keywords */
int ignore; /* Set to ignore case */
};
/* Loaded form of syntax file */
struct high_syntax {
struct high_syntax *next; /* Linked list of loaded syntaxes */
unsigned char *name; /* Name of this syntax */
struct high_state **states; /* The states of this syntax. states[0] is idle state */
int nstates; /* No. states */
int szstates; /* Malloc size of states array */
struct high_color *color; /* Linked list of color definitions */
int sync_lines; /* No. lines back to start parsing when we lose sync. -1 means start at beginning */
struct high_cmd default_cmd; /* Default transition for new states */
};
/* Find a syntax. Load it if necessary. */
struct high_syntax *load_dfa(unsigned char *name);
/* Parse a lines. Returns new state. */
extern int *attr_buf;
int parse(struct high_syntax *syntax,P *line,int state);
#endif
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