compiler.c

// ALEXANDROS EMEXEZIDIS 1329
// VERRA GATSELOU 2033

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "defines.h"
#include "functions.h"
#include "lex.c"
#include "intercode_functions.c"
#include "symbol_table.c"
#include "endcode.c"
#include "syntax_analyzer.c"

int main(int argc, char *argv[]) {

	char nameoffile[64];
	char filenameWithoutExtension[64];

	output[0] = '\0';
	encodedOutput[0] = '\0';

	printf("\f");
	printf("--------------------------------------------------------------\n");
	printf("--- Welcome to the test program for the Compilers project. ---\n");
	printf("--------------------------------------------------------------\n\n");

	// Cancel the program if there is no input argument:
	if(argc == 1){
		printf("<!> Error: There was no input file.\nPlease give a text input to be processed as an argument\n\n");
		return (0);
	}

	// Used to give the filename to the file producing methods:
	strcpy(nameoffile, argv[1]);
	getFilenameWithoutExtension(nameoffile, filenameWithoutExtension);

	// Open the file stream into the file pointer:
	input = fopen(argv[1], "r");

	printf("--------------------------------------\n");
	printf("Status: Input File Opened for Parsing.\n");
	printf("--------------------------------------\n\n");

	// Start lex for the first time (it's going to make the analysis by itself) - and take the first token:
	token = lex();
	printf("Compiler: Token is %d \n\n", token);

	if ( analysis_done == 0 ) {
		error("Lexicographical Analysis could not be completed. Please, check the input for errors.\n");
	}

	// File Creation for Endcode:
	char filename[64];
	strcpy(filename, filenameWithoutExtension);
	strcat(filename, ".msim");
	endcodeOutputFile = fopen(filename, "w");

	// Then, continue to the Syntax Analyzer (Endcode is also generated here):
	checkForEndcodeQuadPointerIfAlreadyInitialized = 0;
	program();

	// Finally, create (and populate) the Text (and the C-lang equivalent) file containing the Quads List:
	printQuadsToFile(filenameWithoutExtension, quad_list_head);
	exportQuadsToCFile(filenameWithoutExtension, quad_list_head);

	printf("[INTERMEDIATE CODE] Intermediate Code Generation is Complete.\n\n");
	printf("[ENDCODE] Endcode Generation is Complete.\n\n");

	// Finally, print the generated list:
	printf("[ENDCODE] Exporting Endcode to File.\n\n");
	exportEndcode(endcodeHead);
	
	printf("[DONE] Compiling is Complete.\n[DONE] Check the Exported files for the Produced Code :)\n\n");

}

void getFilenameWithoutExtension(char nameoffile[64], char * nameWithoutExtension) {

 	int i = 0;
 	nameWithoutExtension[0] = '\0';

 	while( nameoffile[i] != '\0' && nameoffile[i] != '.' && i<64){
 		nameWithoutExtension[i] = nameoffile[i];
 		nameWithoutExtension[i+1] = '\0';
 		i++;
 	}
 }