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30 lines
517 B
30 lines
517 B
#include"parser.tab.h" |
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#include<unistd.h> |
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#include<sys/types.h> |
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#include<sys/stat.h> |
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#include<fcntl.h> |
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#include<stdio.h> |
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#include<stdlib.h> |
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extern int yyparse(); |
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int main(int argc, char **argv) { |
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int input; |
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if(argc != 2) { |
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printf("%s <input file>\n", argv[0]); |
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return 1; |
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} |
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input = open(argv[1], O_RDONLY); |
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dup2(input, STDIN_FILENO); |
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close(input); |
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return yyparse(); |
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} |
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int yywrap(void) { |
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return 0; |
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} |
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int yyerror(void) { |
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printf("Parse error\n"); |
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exit(1); |
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}
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