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37 * @(#)arith_lex.l 8.3 (Berkeley) 5/4/95
38 * $FreeBSD: src/bin/sh/arith_lex.l,v 1.14.2.2 2002/07/19 04:38:51 tjr Exp $
39 * $DragonFly: src/bin/sh/arith_lex.l,v 1.4 2005/04/19 05:18:19 cpressey Exp $
47 extern int yylex(void);
50 extern const char *arith_buf, *arith_startbuf;
52 #define YY_INPUT(buf,result,max) \
53 result = (*buf = *arith_buf++) ? 1 : YY_NULL;
56 void arith_lex_reset(void);
61 [0-9]+ { yylval = atol(yytext); return(ARITH_NUM); }
62 "(" { return(ARITH_LPAREN); }
63 ")" { return(ARITH_RPAREN); }
64 "||" { return(ARITH_OR); }
65 "&&" { return(ARITH_AND); }
66 "|" { return(ARITH_BOR); }
67 "^" { return(ARITH_BXOR); }
68 "&" { return(ARITH_BAND); }
69 "==" { return(ARITH_EQ); }
70 "!=" { return(ARITH_NE); }
71 ">" { return(ARITH_GT); }
72 ">=" { return(ARITH_GE); }
73 "<" { return(ARITH_LT); }
74 "<=" { return(ARITH_LE); }
75 "<<" { return(ARITH_LSHIFT); }
76 ">>" { return(ARITH_RSHIFT); }
77 "*" { return(ARITH_MUL); }
78 "/" { return(ARITH_DIV); }
79 "%" { return(ARITH_REM); }
80 "+" { return(ARITH_ADD); }
81 "-" { return(ARITH_SUB); }
82 "~" { return(ARITH_BNOT); }
83 "!" { return(ARITH_NOT); }
84 . { error("arith: syntax error: \"%s\"\n", arith_startbuf); }