Mercurial > vba-linux

     1 %{

     2 #include "expr.cpp.h"

     3 

     4 #ifndef __GNUC__

     5 #include <io.h>

     6 #define isatty _isatty

     7 #endif

     8 

     9 char *exprString;

    10 int exprCol;

    11 

    12 #define YY_INPUT(buf,result,max_size) \

    13     { \

    14     int c = *exprString++; \

    15     exprCol++;\

    16     result = (c == 0) ? YY_NULL : (buf[0] = c, 1); \

    17     }

    18 %}

    19 

    20 %option nomain

    21 %option noyywrap

    22 

    23 SIZEOF "sizeof"

    24 ID [a-zA-Z_][a-zA-Z0-9_]*

    25 NUM [0-9]+

    26 DOT "."

    27 ARROW "->"

    28 STAR "*"

    29 ADDR "&"

    30 

    31 %%

    32 

    33 {SIZEOF} {

    34         return TOKEN_SIZEOF;

    35 }

    36 

    37 {ID} {

    38         return TOKEN_IDENTIFIER;

    39 }

    40 

    41 {NUM} {

    42         return TOKEN_NUMBER;

    43 }

    44 

    45 {DOT} {

    46         return TOKEN_DOT;

    47 }       

    48 

    49 {ARROW} {

    50         return TOKEN_ARROW;

    51 }

    52 

    53 {ADDR} {

    54         return TOKEN_ADDR;

    55 }

    56 

    57 {STAR} {

    58         return TOKEN_STAR;

    59 }

    60 

    61 [ \t\n]+

    62 

    63 . return *yytext;

    64 

    65 %%

    66 

    67 void exprCleanBuffer()

    68 {

    69   yy_delete_buffer(yy_current_buffer);

    70   yy_init = 1;

    71 }
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:48:33 -0600
parents	f9f4f1b99eed
children