diff options
Diffstat (limited to '')
| -rw-r--r-- | src/arith_yacc.h (renamed from src/arith_lex.l) | 100 |
1 files changed, 53 insertions, 47 deletions
diff --git a/src/arith_lex.l b/src/arith_yacc.h index 85e170c..ff34d52 100644 --- a/src/arith_lex.l +++ b/src/arith_yacc.h @@ -1,8 +1,7 @@ -%{ /*- * Copyright (c) 1993 * The Regents of the University of California. All rights reserved. - * Copyright (c) 1997-2005 + * Copyright (c) 2007 * Herbert Xu <herbert@gondor.apana.org.au>. All rights reserved. * * This code is derived from software contributed to Berkeley by @@ -33,51 +32,58 @@ * SUCH DAMAGE. */ -#include <stdlib.h> -#include <unistd.h> -#include "arith.h" -#include "error.h" -#include "expand.h" +#define ARITH_ASS 1 -extern int yylval; -extern const char *arith_buf, *arith_startbuf; -#undef YY_INPUT -#define YY_INPUT(buf,result,max) \ - result = (*buf = *arith_buf++) ? 1 : YY_NULL; -#define YY_NO_UNPUT -%} +#define ARITH_OR 2 +#define ARITH_AND 3 +#define ARITH_BAD 4 +#define ARITH_NUM 5 +#define ARITH_VAR 6 +#define ARITH_NOT 7 -%% -[ \t\n] { ; } -[0-9]+ { yylval = strtoll(yytext, 0, 0); return(ARITH_NUM); } -"(" { return(ARITH_LPAREN); } -")" { return(ARITH_RPAREN); } -"||" { return(ARITH_OR); } -"&&" { return(ARITH_AND); } -"|" { return(ARITH_BOR); } -"^" { return(ARITH_BXOR); } -"&" { return(ARITH_BAND); } -"==" { return(ARITH_EQ); } -"!=" { return(ARITH_NE); } -">" { return(ARITH_GT); } -">=" { return(ARITH_GE); } -"<" { return(ARITH_LT); } -"<=" { return(ARITH_LE); } -"<<" { return(ARITH_LSHIFT); } -">>" { return(ARITH_RSHIFT); } -"*" { return(ARITH_MUL); } -"/" { return(ARITH_DIV); } -"%" { return(ARITH_REM); } -"+" { return(ARITH_ADD); } -"-" { return(ARITH_SUB); } -"~" { return(ARITH_BNOT); } -"!" { return(ARITH_NOT); } -. { error("arith: syntax error: \"%s\"", arith_startbuf); } -%% +#define ARITH_BINOP_MIN 8 +#define ARITH_LE 8 +#define ARITH_GE 9 +#define ARITH_LT 10 +#define ARITH_GT 11 +#define ARITH_EQ 12 +#define ARITH_REM 13 +#define ARITH_BAND 14 +#define ARITH_LSHIFT 15 +#define ARITH_RSHIFT 16 +#define ARITH_MUL 17 +#define ARITH_ADD 18 +#define ARITH_BOR 19 +#define ARITH_SUB 20 +#define ARITH_BXOR 21 +#define ARITH_DIV 22 +#define ARITH_NE 23 +#define ARITH_BINOP_MAX 24 -void -arith_lex_reset() { -#ifdef YY_NEW_FILE - YY_NEW_FILE; -#endif -} +#define ARITH_ASS_MIN 24 +#define ARITH_REMASS 24 +#define ARITH_BANDASS 25 +#define ARITH_LSHIFTASS 26 +#define ARITH_RSHIFTASS 27 +#define ARITH_MULASS 28 +#define ARITH_ADDASS 29 +#define ARITH_BORASS 30 +#define ARITH_SUBASS 31 +#define ARITH_BXORASS 32 +#define ARITH_DIVASS 33 +#define ARITH_ASS_MAX 34 + +#define ARITH_LPAREN 34 +#define ARITH_RPAREN 35 +#define ARITH_BNOT 36 +#define ARITH_QMARK 37 +#define ARITH_COLON 38 + +union yystype { + intmax_t val; + char *name; +}; + +extern union yystype yylval; + +int yylex(void); |