3 /* $NetBSD: arith_lex.l,v 1.13 2005/03/21 22:37:09 dsl Exp $ */
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37 #ifdef HAVE_SYS_CDEFS_H
38 #include <sys/cdefs.h>
42 static char sccsid[] = "@(#)arith_lex.l 8.3 (Berkeley) 5/4/95";
44 __RCSID("$NetBSD: arith_lex.l,v 1.13 2005/03/21 22:37:09 dsl Exp $");
55 extern char *arith_buf, *arith_startbuf;
57 #define YY_INPUT(buf,result,max) \
58 result = (*buf = *arith_buf++) ? 1 : YY_NULL;
64 0x[0-9a-fA-F]+ { yylval = strtol(yytext, 0, 0); return(ARITH_NUM); }
65 0[0-7]* { yylval = strtol(yytext, 0, 0); return(ARITH_NUM); }
66 [1-9][0-9]* { yylval = strtol(yytext, 0, 0); return(ARITH_NUM); }
67 [A-Za-z_][A-Za-z_0-9]* { char *v = lookupvar(yytext);
69 yylval = strtol(v, &v, 0);
73 error("arith: syntax error: \"%s\"", arith_startbuf);
75 "(" { return(ARITH_LPAREN); }
76 ")" { return(ARITH_RPAREN); }
77 "||" { return(ARITH_OR); }
78 "&&" { return(ARITH_AND); }
79 "|" { return(ARITH_BOR); }
80 "^" { return(ARITH_BXOR); }
81 "&" { return(ARITH_BAND); }
82 "==" { return(ARITH_EQ); }
83 "!=" { return(ARITH_NE); }
84 ">" { return(ARITH_GT); }
85 ">=" { return(ARITH_GE); }
86 "<" { return(ARITH_LT); }
87 "<=" { return(ARITH_LE); }
88 "<<" { return(ARITH_LSHIFT); }
89 ">>" { return(ARITH_RSHIFT); }
90 "*" { return(ARITH_MUL); }
91 "/" { return(ARITH_DIV); }
92 "%" { return(ARITH_REM); }
93 "+" { return(ARITH_ADD); }
94 "-" { return(ARITH_SUB); }
95 "~" { return(ARITH_BNOT); }
96 "!" { return(ARITH_NOT); }
97 . { error("arith: syntax error: \"%s\"", arith_startbuf); }