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/* $NetBSD: syntax.c,v 1.1 2004/01/17 17:38:12 dsl Exp $ */
#include "shell.h"
#include "syntax.h"
#include "parser.h"
#include "shinstance.h"
#ifdef _MSC_VER /* doesn't implement the fancy initializers I think... */
char basesyntax[257] = {CSHEOF};
char dqsyntax[257] = {CSHEOF};
char sqsyntax[257] = {CSHEOF};
char arisyntax[257] = {CSHEOF};
char is_type[257] = {0};
void init_syntax(void)
{
char *tab;
int i;
#define ndx(ch) (ch + 1 - CHAR_MIN)
#define set(ch, val) tab[ndx(ch)] = val
#define set_range(s, e, val) for (i = ndx(s); i <= ndx(e); i++) tab[i] = val
/*basesyntax*/
tab = basesyntax;
set_range(CTL_FIRST, CTL_LAST, CCTL);
set('\n', CNL);
set('\\', CBACK);
set('\'', CSQUOTE);
set('"', CDQUOTE);
set('`', CBQUOTE);
set('$', CVAR);
set('}', CENDVAR);
set('<', CSPCL);
set('>', CSPCL);
set('(', CSPCL);
set(')', CSPCL);
set(';', CSPCL);
set('&', CSPCL);
set('|', CSPCL);
set(' ', CSPCL);
set('\t', CSPCL);
tab = dqsyntax;
set_range(CTL_FIRST, CTL_LAST, CCTL);
set('\n', CNL);
set('\\', CBACK);
set('"', CDQUOTE);
set('`', CBQUOTE);
set('$', CVAR);
set('}', CENDVAR);
/* ':/' for tilde expansion, '-' for [a\-x] pattern ranges */
set('!', CCTL);
set('*', CCTL);
set('?', CCTL);
set('[', CCTL);
set('=', CCTL);
set('~', CCTL);
set(':', CCTL);
set('/', CCTL);
set('-', CCTL);
tab = sqsyntax;
set_range(CTL_FIRST, CTL_LAST, CCTL);
set('\n', CNL);
set('\'', CSQUOTE);
/* ':/' for tilde expansion, '-' for [a\-x] pattern ranges */
set('!', CCTL);
set('*', CCTL) ;
set('?', CCTL);
set('[', CCTL);
set('=', CCTL);
set('~', CCTL);
set(':', CCTL);
set('/', CCTL);
set('-', CCTL);
tab = arisyntax;
set_range(CTL_FIRST, CTL_LAST, CCTL);
set('\n', CNL);
set('\\', CBACK);
set('`', CBQUOTE);
set('\'', CSQUOTE);
set('"', CDQUOTE);
set('$', CVAR);
set('}', CENDVAR);
set('(', CLP);
set(')', CRP);
tab = is_type;
set_range('0', '9', ISDIGIT);
set_range('a', 'z', ISLOWER);
set_range('A', 'Z', ISUPPER);
set('_', ISUNDER);
set('#', ISSPECL);
set('?', ISSPECL);
set('$', ISSPECL);
set('!', ISSPECL);
set('-', ISSPECL);
set('*', ISSPECL);
set('@', ISSPECL);
}
#else /* !_MSC_VER */
#if CWORD != 0
#error initialisation assumes 'CWORD' is zero
#endif
#define ndx(ch) (ch + 1 - CHAR_MIN)
#define set(ch, val) [ndx(ch)] = val,
#define set_range(s, e, val) [ndx(s) ... ndx(e)] = val,
/* syntax table used when not in quotes */
const char basesyntax[257] = { CSHEOF,
set_range(CTL_FIRST, CTL_LAST, CCTL)
set('\n', CNL)
set('\\', CBACK)
set('\'', CSQUOTE)
set('"', CDQUOTE)
set('`', CBQUOTE)
set('$', CVAR)
set('}', CENDVAR)
set('<', CSPCL)
set('>', CSPCL)
set('(', CSPCL)
set(')', CSPCL)
set(';', CSPCL)
set('&', CSPCL)
set('|', CSPCL)
set(' ', CSPCL)
set('\t', CSPCL)
};
/* syntax table used when in double quotes */
const char dqsyntax[257] = { CSHEOF,
set_range(CTL_FIRST, CTL_LAST, CCTL)
set('\n', CNL)
set('\\', CBACK)
set('"', CDQUOTE)
set('`', CBQUOTE)
set('$', CVAR)
set('}', CENDVAR)
/* ':/' for tilde expansion, '-' for [a\-x] pattern ranges */
set('!', CCTL)
set('*', CCTL)
set('?', CCTL)
set('[', CCTL)
set('=', CCTL)
set('~', CCTL)
set(':', CCTL)
set('/', CCTL)
set('-', CCTL)
};
/* syntax table used when in single quotes */
const char sqsyntax[257] = { CSHEOF,
set_range(CTL_FIRST, CTL_LAST, CCTL)
set('\n', CNL)
set('\'', CSQUOTE)
/* ':/' for tilde expansion, '-' for [a\-x] pattern ranges */
set('!', CCTL)
set('*', CCTL)
set('?', CCTL)
set('[', CCTL)
set('=', CCTL)
set('~', CCTL)
set(':', CCTL)
set('/', CCTL)
set('-', CCTL)
};
/* syntax table used when in arithmetic */
const char arisyntax[257] = { CSHEOF,
set_range(CTL_FIRST, CTL_LAST, CCTL)
set('\n', CNL)
set('\\', CBACK)
set('`', CBQUOTE)
set('\'', CSQUOTE)
set('"', CDQUOTE)
set('$', CVAR)
set('}', CENDVAR)
set('(', CLP)
set(')', CRP)
};
/* character classification table */
const char is_type[257] = { 0,
set_range('0', '9', ISDIGIT)
set_range('a', 'z', ISLOWER)
set_range('A', 'Z', ISUPPER)
set('_', ISUNDER)
set('#', ISSPECL)
set('?', ISSPECL)
set('$', ISSPECL)
set('!', ISSPECL)
set('-', ISSPECL)
set('*', ISSPECL)
set('@', ISSPECL)
};
#endif /* !_MSC_VER */
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