[TP_AL_C.git] / lexer / main.c

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include <getopt.h>

#include "global_vars.h"
#include "lexical_analyzer.h"
#include "syntactic_analyzer.h"
#include "print_helper.h"

void do_lexical_analysis() {
    c = fgetwc(source); // lecture du premier caractere
    do {
        scanner();
        wprint_token_target();
        token[tokenFound].type = tokenTypestr[tokenType];
        tokenFound++;
    } while (tokenType != FIN); // tant que la fin du fichier n'est pas atteinte
}

void do_syntactic_analysis() {
    fputws(L"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"fr_FR\" lang=\"fr_FR\">\n",
           target);
    c = fgetwc(source); // lecture du premier caractere
    analyze_AXIOME();
    fputws(L"</html>\n", target);
}

void print_usage(const char* name) {
    fprintf(stdout,"Usage: %s [options]\n"
                   "Where [options] are:\n"
                   " -h, --help: display this help message\n"
                   " -l, --lexical-only: do only the lexical analysis\n"
                   " -i, --input<filename>: use <filename> as input file instead of standard input\n"
                   " -o, --output<filename>: use <filename> as output file instead of standard output\n",
            name);
    fflush(stdout);
}

int main(int argc, char **argv) {
    /* In and out files name */
    const char* in_file = NULL;
    const char* out_file = NULL;
    static int hflag = 0;
    static int lflag = 0;

    /* getopt_long stores the option index here. */
    int option_index = 0;

    static struct option long_options[] =
    {
        {"help", no_argument, &hflag, 1},
        {"input", optional_argument, NULL, 'i'},
        {"lexical-only", no_argument, &lflag, 1},
        {"output", optional_argument, NULL, 'o'},
        {0, 0, 0, 0}
    };

    int c_in;

    while ((c_in = getopt_long(argc, argv, "hi::lo::", long_options,
                               &option_index)) != -1) {
        switch (c_in) {
            case 'h':
                hflag = 1;
                break;
            case 'i':
                if (optarg != NULL) {
                    in_file = optarg;
                }
                break;
            case 'l':
                lflag = 1;
                break;
            case 'o':
                if (optarg != NULL) {
                    out_file = optarg;
                }
                break;
            case 0:
                /* getopt_long() set a variable, just keep going */
                break;
            case ':':
                /* missing option argument */
                pr_error("%s: option '-%c' requires an argument\n",
                        argv[0], optopt);
                break;
            case '?':
            default:
                /* invalid option */
                pr_error("%s: option '-%c' is invalid: ignored\n",
                        argv[0], optopt);
                break;
        }
    }

    if (in_file != NULL) {
        // Ouvre le fichier source en lecture seulement (le fichier doit exister) :
        source = fopen(in_file, "r+");
        if (source == NULL) {
            pr_error("Fail to open file %s\n", in_file);
            return EXIT_FAILURE;
        }
    } else {
        source = stdin;
    }

    if (out_file != NULL) {
        // Cree et ouvre le fichier cible en lecture/ecriture
        // avec suppression du contenu au prealable :
        target = fopen(out_file, "w+");
        if (target == NULL) {
            pr_error("Fail to open file %s\n", out_file);
            return EXIT_FAILURE;
        }
    } else {
        target = stdout;
    }

    if (hflag) {
        print_usage(argv[0]);
    } else if (lflag){
        do_lexical_analysis();
    } else {
        do_syntactic_analysis();
    }

    if (source != NULL) fclose(source); // fermeture du fichier source
    if (target != NULL) fclose(target); // fermeture du fichier target

    return EXIT_SUCCESS;
}
Commit	Line	Data
96964f3e JB	1	#include <stdlib.h>
	2	#include <stdio.h>
	3	#include <string.h>
4b580abd	4	#include <stdbool.h>
9ed84d89	5	#include <getopt.h>
e9a51b68	6
9ed84d89 JB	7	#include "global_vars.h"
	8	#include "lexical_analyzer.h"
	9	#include "syntactic_analyzer.h"
	10	#include "print_helper.h"
6a19b8fe	11
9ed84d89 JB	12	void do_lexical_analysis() {
	13	c = fgetwc(source); // lecture du premier caractere
	14	do {
	15	scanner();
48e4b4ad	16	wprint_token_target();
9ed84d89 JB	17	token[tokenFound].type = tokenTypestr[tokenType];
	18	tokenFound++;
	19	} while (tokenType != FIN); // tant que la fin du fichier n'est pas atteinte
4b580abd JB	20	}
4b580abd JB	21
9ed84d89	22	void do_syntactic_analysis() {
48e4b4ad JB	23	fputws(L"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"fr_FR\" lang=\"fr_FR\">\n",
48e4b4ad JB	24	target);
9ed84d89	25	c = fgetwc(source); // lecture du premier caractere
e70feb8c	26	analyze_AXIOME();
48e4b4ad	27	fputws(L"</html>\n", target);
4b580abd JB	28	}
4b580abd JB	29
9ed84d89 JB	30	void print_usage(const char* name) {
	31	fprintf(stdout,"Usage: %s [options]\n"
	32	"Where [options] are:\n"
f491c07a	33	" -h, --help: display this help message\n"
9ed84d89 JB	34	" -l, --lexical-only: do only the lexical analysis\n"
	35	" -i, --input<filename>: use <filename> as input file instead of standard input\n"
	36	" -o, --output<filename>: use <filename> as output file instead of standard output\n",
	37	name);
48e4b4ad	38	fflush(stdout);
9ed84d89	39	}
4b580abd	40
9ed84d89 JB	41	int main(int argc, char **argv) {
	42	/* In and out files name */
	43	const char* in_file = NULL;
	44	const char* out_file = NULL;
	45	static int hflag = 0;
	46	static int lflag = 0;
	47
	48	/* getopt_long stores the option index here. */
	49	int option_index = 0;
	50
	51	static struct option long_options[] =
	52	{
	53	{"help", no_argument, &hflag, 1},
	54	{"input", optional_argument, NULL, 'i'},
	55	{"lexical-only", no_argument, &lflag, 1},
	56	{"output", optional_argument, NULL, 'o'},
	57	{0, 0, 0, 0}
	58	};
	59
	60	int c_in;
	61
	62	while ((c_in = getopt_long(argc, argv, "hi::lo::", long_options,
	63	&option_index)) != -1) {
	64	switch (c_in) {
	65	case 'h':
	66	hflag = 1;
	67	break;
	68	case 'i':
	69	if (optarg != NULL) {
	70	in_file = optarg;
	71	}
	72	break;
	73	case 'l':
	74	lflag = 1;
	75	break;
	76	case 'o':
	77	if (optarg != NULL) {
	78	out_file = optarg;
	79	}
	80	break;
	81	case 0:
	82	/* getopt_long() set a variable, just keep going */
	83	break;
	84	case ':':
	85	/* missing option argument */
	86	pr_error("%s: option '-%c' requires an argument\n",
	87	argv[0], optopt);
	88	break;
	89	case '?':
	90	default:
	91	/* invalid option */
	92	pr_error("%s: option '-%c' is invalid: ignored\n",
	93	argv[0], optopt);
	94	break;
	95	}
d3eb30ef	96	}
4b580abd	97
9ed84d89 JB	98	if (in_file != NULL) {
	99	// Ouvre le fichier source en lecture seulement (le fichier doit exister) :
	100	source = fopen(in_file, "r+");
	101	if (source == NULL) {
224a9916	102	pr_error("Fail to open file %s\n", in_file);
9ed84d89 JB	103	return EXIT_FAILURE;
	104	}
	105	} else {
	106	source = stdin;
4b580abd JB	107	}
4b580abd JB	108
9ed84d89 JB	109	if (out_file != NULL) {
	110	// Cree et ouvre le fichier cible en lecture/ecriture
	111	// avec suppression du contenu au prealable :
	112	target = fopen(out_file, "w+");
	113	if (target == NULL) {
224a9916	114	pr_error("Fail to open file %s\n", out_file);
9ed84d89 JB	115	return EXIT_FAILURE;
	116	}
	117	} else {
	118	target = stdout;
96964f3e JB	119	}
96964f3e JB	120
9ed84d89 JB	121	if (hflag) {
	122	print_usage(argv[0]);
	123	} else if (lflag){
	124	do_lexical_analysis();
	125	} else {
	126	do_syntactic_analysis();
96964f3e JB	127	}
96964f3e JB	128
96964f3e JB	129	if (source != NULL) fclose(source); // fermeture du fichier source
	130	if (target != NULL) fclose(target); // fermeture du fichier target
	131
b5cd8f86	132	return EXIT_SUCCESS;
96964f3e	133	}