87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <string.h>
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#include "slr.h"
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#include "lexer.h"
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void print_token(Token token)
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{
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printf("Token Value: ");
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for (int i = 0; token.value[i] != '\0'; i++) {
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printf("%c", token.value[i]);
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}
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printf("\nToken Type: ");
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switch (token.type) {
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case INT:
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printf("int\n");
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break;
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case KEYWORD:
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printf("Keyword\n");
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break;
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case SEPARATOR:
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printf("Separator\n");
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break;
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}
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}
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Token *generate_number(char *current, int *current_index)
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{
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Token *token = malloc(sizeof(Token));
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token->type = INT;
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char *value = malloc(8 * sizeof(char));
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int value_index = 0;
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while(isdigit(current[*current_index]) && current[*current_index] != '\0') {
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value[value_index] = current[*current_index];
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value_index++;
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(*current_index)++;
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}
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value[value_index] = '\0';
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token->value = value;
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return token;
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}
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Token *generate_keyword(char *current, int *current_index)
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{
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Token *token = malloc(sizeof(Token));
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char *keyword = malloc(8 * sizeof(char));
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int keyword_index = 0;
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while(isalpha(current[*current_index]) && current[*current_index] != '\0') {
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keyword[keyword_index] = current[*current_index];
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keyword_index++;
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(*current_index)++;
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}
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keyword[keyword_index] = '\0';
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if(strcmp(keyword, "exit") == 0) {
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printf("TYPE EXIT\n");
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token->type = KEYWORD;
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}
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token->type = KEYWORD;
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token->value = keyword;
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return token;
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}
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long long get_file_length(FILE *file)
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{
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fseeko(file, 0, SEEK_END);
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long long length = ftello(file);
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fseeko(file, 0, SEEK_SET);
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return length;
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}
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int main(int argc, char **argv)
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{
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if (argc < 2) {
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fprintf(stderr, "\033[1;37mslr:\033[0m \033[1;31mfatal error:\033[0m no input files\ninterpretation termined.\n");
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exit(1);
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}
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FILE *file = fopen(argv[1], "r");
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long long length = get_file_length(file);
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char *buf = malloc(length * sizeof(char));
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fread(buf, 1, length, file);
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fclose(file);
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buf[length + 1] = '\0';
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Token *tokens = lexer(buf);
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}
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