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6 * This code is derived from software contributed to Berkeley by
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19 * This product includes software developed by the University of
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30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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37 * @(#)arith_lex.l 8.3 (Berkeley) 5/4/95
38 * $FreeBSD: src/bin/sh/arith_lex.l,v 1.24 2005/08/13 07:59:46 stefanf Exp $
39 * $DragonFly: src/bin/sh/arith_lex.l,v 1.5 2007/01/04 14:06:21 pavalos Exp $
55 #define YY_INPUT(buf,result,max) \
56 result = (*buf = *arith_buf++) ? 1 : YY_NULL;
65 yylval.l_value = strtoarith_t(yytext, NULL, 16);
70 yylval.l_value = strtoarith_t(yytext, NULL, 8);
75 yylval.l_value = strtoarith_t(yytext, NULL, 10);
79 [A-Za-z][A-Za-z0-9_]* {
81 * If variable doesn't exist, we should initialize
85 if (lookupvar(yytext) == NULL)
86 setvarsafe(yytext, "0", 0);
87 temp = (char *)ckmalloc(strlen(yytext) + 1);
88 yylval.s_value = strcpy(temp, yytext);
93 "(" { return ARITH_LPAREN; }
94 ")" { return ARITH_RPAREN; }
95 "||" { return ARITH_OR; }
96 "&&" { return ARITH_AND; }
97 "|" { return ARITH_BOR; }
98 "^" { return ARITH_BXOR; }
99 "&" { return ARITH_BAND; }
100 "==" { return ARITH_EQ; }
101 "!=" { return ARITH_NE; }
102 ">" { return ARITH_GT; }
103 ">=" { return ARITH_GE; }
104 "<" { return ARITH_LT; }
105 "<=" { return ARITH_LE; }
106 "<<" { return ARITH_LSHIFT; }
107 ">>" { return ARITH_RSHIFT; }
108 "*" { return ARITH_MUL; }
109 "/" { return ARITH_DIV; }
110 "%" { return ARITH_REM; }
111 "+" { return ARITH_ADD; }
112 "-" { return ARITH_SUB; }
113 "~" { return ARITH_BNOT; }
114 "!" { return ARITH_NOT; }
115 "=" { return ARITH_ASSIGN; }
116 "+=" { return ARITH_ADDASSIGN; }
117 "-=" { return ARITH_SUBASSIGN; }
118 "*=" { return ARITH_MULASSIGN; }
119 "/=" { return ARITH_DIVASSIGN; }
120 "%=" { return ARITH_REMASSIGN; }
121 ">>=" { return ARITH_RSHASSIGN; }
122 "<<=" { return ARITH_LSHASSIGN; }
123 "&=" { return ARITH_BANDASSIGN; }
124 "^=" { return ARITH_BXORASSIGN; }
125 "|=" { return ARITH_BORASSIGN; }
127 error("arith: syntax error: \"%s\"\n", arith_startbuf);
132 arith_lex_reset(void)