42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
#define ALPHA_OFFSET 6
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#define TOK_LEN 3
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#define ST_LEN 2
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#define HELP "HELP:\nHow to run the alpha compiler:\n./alpha [options] program\nValid options:\n-tok output the token number, token, line number, and column number for each of the tokens to the .tok file\n-st output the symbol table for the program to the .st file\n-help print this message and exit the alpha compiler\n"
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//use to set flags for arg types
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#define SET_FLAG 1
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "flex.h"
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#include "typedefs.h"
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#include <stdbool.h>
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#include "symbol_table.h"
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#include <sys/stat.h>
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extern int line_number, column_number;
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extern char *yytext;
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extern FILE *yyin;
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int arg;
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SymbolTable * top;
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SymbolTable * curr;
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// int main(int argc, char* argv[]);
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char *is_tok(int argc, char* argv[]);
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// int is_alpha_file(char *file, int file_len);
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void enter_scope(int, int);
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void exit_scope(void);
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FILE *alpha_file;
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FILE *tok_flag = NULL;
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FILE *st_flag = NULL;
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int no_flag = 0;
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int main(int argc, char* argv[]);
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int new_file(char *arg, char *alpha);
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int is_alpha_file(char *alpha, int file_len);
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bool is_help(char * input);
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int run(FILE*alpha);
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int check_flag(char * arg, char* alpha);
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