ash/syntax.h

/*
 * This file was generated by the mksyntax program.
 */

/* Syntax classes */
#define CWORD 0			/* character is nothing special */
#define CNL 1			/* newline character */
#define CBACK 2			/* a backslash character */
#define CSQUOTE 3		/* single quote */
#define CDQUOTE 4		/* double quote */
#define CENDQUOTE 5		/* a terminating quote */
#define CBQUOTE 6		/* backwards single quote */
#define CVAR 7			/* a dollar sign */
#define CENDVAR 8		/* a '}' character */
#define CEOF 9			/* end of file */
#define CCTL 10			/* like CWORD, except it must be escaped */
#define CSPCL 11		/* these terminate a word */

/* Syntax classes for is_ functions */
#define ISDIGIT 01		/* a digit */
#define ISUPPER 02		/* an upper case letter */
#define ISLOWER 04		/* a lower case letter */
#define ISUNDER 010		/* an underscore */
#define ISSPECL 020		/* the name of a special parameter */

#ifdef __CHAR_UNSIGNED__
#define SYNBASE 1
#define PEOF -1
#else
#define SYNBASE 129
#define PEOF -129
#endif


#define BASESYNTAX (basesyntax + SYNBASE)
#define DQSYNTAX (dqsyntax + SYNBASE)
#define SQSYNTAX (sqsyntax + SYNBASE)

#define is_digit(c)	((unsigned char)((c) - '0') <= 9)
#define is_alpha(c)	((is_type+SYNBASE)[c] & (ISUPPER|ISLOWER))
#define is_name(c)	((is_type+SYNBASE)[c] & (ISUPPER|ISLOWER|ISUNDER))
#define is_in_name(c)	((is_type+SYNBASE)[c] & (ISUPPER|ISLOWER|ISUNDER|ISDIGIT))
#define is_special(c)	((is_type+SYNBASE)[c] & (ISSPECL|ISDIGIT))
#define digit_val(c)	((c) - '0')

extern const char basesyntax[];
extern const char dqsyntax[];
extern const char sqsyntax[];
extern const char is_type[];