rlm@1: %{
rlm@1: namespace std {  
rlm@1: #include <stdio.h>
rlm@1: #include <memory.h>
rlm@1: #include <stdlib.h>
rlm@1: #include <string.h>
rlm@1: }
rlm@1: 
rlm@1: using namespace std;
rlm@1:  
rlm@1: #include "System.h"
rlm@1: #include "elf.h"
rlm@1: #include "exprNode.h" 
rlm@1: 
rlm@1: extern int yyerror(char *);
rlm@1: extern int yylex(); 
rlm@1: extern char *yytext;
rlm@1: 
rlm@1:   
rlm@1: //#define YYERROR_VERBOSE 1
rlm@1: //#define YYDEBUG 1
rlm@1: 
rlm@1:  Node *result = NULL;
rlm@1: %}
rlm@1: 
rlm@1: %token TOKEN_IDENTIFIER TOKEN_DOT TOKEN_STAR TOKEN_ARROW TOKEN_ADDR
rlm@1: %token TOKEN_SIZEOF TOKEN_NUMBER
rlm@1: %left TOKEN_DOT TOKEN_ARROW '['
rlm@1: %expect 6
rlm@1: %%
rlm@1: 
rlm@1: final: expression { result = $1; }
rlm@1: ;
rlm@1: 
rlm@1: expression:
rlm@1:   simple_expression { $$ = $1; } |
rlm@1:   '(' expression ')' { $$ = $2; } |
rlm@1:   expression TOKEN_DOT ident { $$ = exprNodeDot($1, $3); } |
rlm@1:   expression TOKEN_ARROW ident { $$ = exprNodeArrow($1, $3); } |
rlm@1:   expression '[' number ']' { $$ = exprNodeArray($1, $3); }
rlm@1: ;
rlm@1: simple_expression:
rlm@1:   ident  { $$ = $1; } |
rlm@1:   TOKEN_STAR expression { $$ = exprNodeStar($2); } |
rlm@1:   TOKEN_ADDR expression { $$ = exprNodeAddr($2); } |
rlm@1:   TOKEN_SIZEOF '(' expression ')' { $$ = exprNodeSizeof($3); }
rlm@1: ;
rlm@1: 
rlm@1: number:
rlm@1:   TOKEN_NUMBER { $$ = exprNodeNumber(); }
rlm@1: ;
rlm@1: 
rlm@1: ident:
rlm@1:   TOKEN_IDENTIFIER {$$ = exprNodeIdentifier(); }
rlm@1: ;
rlm@1: 
rlm@1: %%
rlm@1: 
rlm@1: int yyerror(char *s)
rlm@1: {
rlm@1:   return 0;
rlm@1: }
rlm@1: 
rlm@1: #ifndef SDL
rlm@1: extern FILE *yyin;
rlm@1: int main(int argc, char **argv)
rlm@1: {
rlm@1:   //  yydebug = 1;
rlm@1:   ++argv, --argc;
rlm@1:   if(argc > 0)
rlm@1:     yyin = fopen(argv[0], "r");
rlm@1:   else
rlm@1:     yyin = stdin;
rlm@1:   if(!yyparse())
rlm@1:     result->print();
rlm@1: }
rlm@1: #endif