84 lines
1.5 KiB
C
84 lines
1.5 KiB
C
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/********************************************
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kw.c
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copyright 1991, Michael D. Brennan
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This is a source file for mawk, an implementation of
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the AWK programming language.
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Mawk is distributed without warranty under the terms of
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the GNU General Public License, version 2, 1991.
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********************************************/
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/* $Log: kw.c,v $
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/* Revision 1.2 1993/07/02 23:57:33 jtc
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/* Updated to mawk 1.1.4
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/*
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* Revision 5.1 1991/12/05 07:56:12 brennan
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* 1.1 pre-release
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*
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*/
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/* kw.c */
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#include "mawk.h"
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#include "symtype.h"
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#include "parse.h"
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#include "init.h"
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static struct kw {
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char *text ;
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short kw ;
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} keywords[] = {
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"print", PRINT,
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"printf", PRINTF,
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"do" , DO ,
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"while" , WHILE ,
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"for" , FOR ,
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"break" , BREAK ,
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"continue" , CONTINUE ,
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"if" , IF ,
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"else", ELSE ,
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"in" , IN ,
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"delete", DELETE ,
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"split" , SPLIT ,
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"match" , MATCH_FUNC ,
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"BEGIN" , BEGIN,
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"END" , END ,
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"exit" , EXIT ,
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"next" , NEXT ,
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"return", RETURN,
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"getline", GETLINE,
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"sub" , SUB,
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"gsub", GSUB,
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"function", FUNCTION,
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(char *) 0 , 0 } ;
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/* put keywords in the symbol table */
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void kw_init()
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{ register struct kw *p = keywords ;
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register SYMTAB *q ;
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while ( p->text )
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{ q = insert( p->text ) ;
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q->type = ST_KEYWORD ;
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q->stval.kw = p++ -> kw ;
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}
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}
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/* find a keyword to emit an error message */
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char *find_kw_str( kw_token )
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int kw_token ;
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{ struct kw *p ;
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for( p = keywords ; p->text ; p++ )
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if ( p->kw == kw_token ) return p->text ;
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/* search failed */
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return (char *) 0 ;
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}
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