121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/* Copyright (C) 2016 Jeremiah Orians
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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* program();
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void recursive_output(struct token_list* i, FILE* out);
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int match(char* a, char* b);
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void file_print(char* s, FILE* f);
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char* parse_string(char* string);
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int main(int argc, char** argv)
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{
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hold_string = calloc(MAX_STRING, sizeof(char));
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int DEBUG = FALSE;
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FILE* in = stdin;
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FILE* destination_file = stdout;
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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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char* 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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file_print("Unable to open for reading file: ", stderr);
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file_print(name, stderr);
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file_print("\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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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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file_print("Unable to open for writing file: ", stderr);
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file_print(argv[i + 1], stderr);
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file_print("\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], "-g") || match(argv[i], "--debug"))
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{
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DEBUG = TRUE;
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i = i + 1;
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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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file_print(" -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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file_print("M2-Planet v1.0.0\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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file_print("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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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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file_print("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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initialize_types();
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reset_hold_string();
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struct token_list* output_list = program();
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/* Output the program we have compiled */
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file_print("\n# Core program\n", destination_file);
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recursive_output(output_list, destination_file);
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if(DEBUG) file_print("\n:ELF_data\n", destination_file);
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file_print("\n# Program global variables\n", destination_file);
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recursive_output(globals_list, destination_file);
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file_print("\n# Program strings\n", destination_file);
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recursive_output(strings_list, destination_file);
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if(!DEBUG) file_print("\n:ELF_end\n", destination_file);
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return EXIT_SUCCESS;
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}
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