146 lines
4.0 KiB
C
146 lines
4.0 KiB
C
/* Copyright (C) 2016 Jeremiah Orians
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* Copyright (C) 2020 deesix <deesix@tuta.io>
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* This file is part of M2-Planet.
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*
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* M2-Planet is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* M2-Planet is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with M2-Planet. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include<stdlib.h>
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#include<stdio.h>
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#include<string.h>
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#include"cc.h"
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/* The core functions */
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void initialize_types();
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struct token_list* read_all_tokens(FILE* a, struct token_list* current, char* filename);
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struct token_list* reverse_list(struct token_list* head);
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struct token_list* remove_line_comments(struct token_list* head);
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struct token_list* remove_line_comment_tokens(struct token_list* head);
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struct token_list* remove_preprocessor_directives(struct token_list* head);
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void eat_newline_tokens();
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void preprocess();
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void program();
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void recursive_output(struct token_list* i, FILE* out);
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void output_tokens(struct token_list *i, FILE* out);
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int strtoint(char *a);
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int main(int argc, char** argv)
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{
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MAX_STRING = 4096;
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BOOTSTRAP_MODE = FALSE;
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PREPROCESSOR_MODE = FALSE;
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FILE* in = stdin;
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FILE* destination_file = stdout;
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Architecture = KNIGHT_NATIVE; /* Assume Knight-native */
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char* name;
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char* hold;
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int i = 1;
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while(i <= argc)
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{
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if(NULL == argv[i])
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{
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i = i + 1;
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}
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else if(match(argv[i], "-f") || match(argv[i], "--file"))
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{
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if(NULL == hold_string)
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{
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hold_string = calloc(MAX_STRING, sizeof(char));
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require(NULL != hold_string, "Impossible Exhustion has occured\n");
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}
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name = argv[i + 1];
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in = fopen(name, "r");
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if(NULL == in)
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{
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fputs("Unable to open for reading file: ", stderr);
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fputs(name, stderr);
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fputs("\n Aborting to avoid problems\n", stderr);
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exit(EXIT_FAILURE);
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}
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global_token = read_all_tokens(in, global_token, name);
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fclose(in);
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i = i + 2;
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}
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else if(match(argv[i], "-o") || match(argv[i], "--output"))
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{
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destination_file = fopen(argv[i + 1], "w");
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if(NULL == destination_file)
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{
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fputs("Unable to open for writing file: ", stderr);
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fputs(argv[i + 1], stderr);
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fputs("\n Aborting to avoid problems\n", stderr);
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exit(EXIT_FAILURE);
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}
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i = i + 2;
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}
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else if(match(argv[i], "--max-string"))
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{
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hold = argv[i+1];
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if(NULL == hold)
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{
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fputs("--max-string requires a numeric argument\n", stderr);
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exit(EXIT_FAILURE);
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}
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MAX_STRING = strtoint(hold);
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require(0 < MAX_STRING, "Not a valid string size\nAbort and fix your --max-string\n");
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i = i + 2;
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}
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else if(match(argv[i], "-h") || match(argv[i], "--help"))
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{
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fputs(" -f input file\n -o output file\n --help for this message\n --version for file version\n", stdout);
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exit(EXIT_SUCCESS);
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}
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else if(match(argv[i], "-V") || match(argv[i], "--version"))
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{
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fputs("M2-Mesoplanet v1.7.0\n", stderr);
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exit(EXIT_SUCCESS);
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}
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else
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{
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fputs("UNKNOWN ARGUMENT\n", stdout);
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exit(EXIT_FAILURE);
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}
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}
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/* Deal with special case of wanting to read from standard input */
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if(stdin == in)
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{
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hold_string = calloc(MAX_STRING, sizeof(char));
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require(NULL != hold_string, "Impossible Exhustion has occured\n");
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global_token = read_all_tokens(in, global_token, "STDIN");
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}
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if(NULL == global_token)
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{
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fputs("Either no input files were given or they were empty\n", stderr);
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exit(EXIT_FAILURE);
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}
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global_token = reverse_list(global_token);
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global_token = remove_line_comments(global_token);
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preprocess();
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fputs("\n/* Preprocessed source */\n", destination_file);
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output_tokens(global_token, destination_file);
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if (destination_file != stdout)
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{
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fclose(destination_file);
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}
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return EXIT_SUCCESS;
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}
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