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main.c
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#include <stdio.h>
#include <iso646.h>
#define DIGITS "0123456789"
#define LETTERS "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
#define IDENTIFIER_CHARACTERS LETTERS "_" DIGITS
#define IDENTIFIER_FIRST_CHARACTERS LETTERS "_"
#include "properties.c"
#include "rules.c"
//char DIGITS[] = "0123456789";
int b[64] = { 0 };
void /*b[]*/ buf(int c) {
int b_old[64] = { 0 }; //= { c, b[0], b[1], b[2] };
for (int i=0; i<64; i++) b_old[i] = b[i];
b[0] = c;
for (int i=1; i<64; i++) {
b[i] = b_old[i-1]; //printf("%c",b[i]);
}
}
int main() {
char c;
int line = 1;
int in_single_quote_old, in_single_quote = 0;
int in_double_quote_old, in_double_quote = 0;
int in_quote_old, in_quote = 0;
int in_comment_old_old, in_comment_old, in_comment = 0;
int in_code_old, in_code = 0;
int in_preprocessor_directive_old, in_preprocessor_directive = 0;
while (c = getchar(), c != EOF) {
if (c=='\n') line++;
buf(c);
printf("%c",c);
//printf("%s \n",b);
in_single_quote_old = in_single_quote;
in_double_quote_old = in_double_quote;
in_quote_old = in_quote;
in_comment_old_old = in_comment_old;
in_comment_old = in_comment;
in_code_old = in_code;
in_preprocessor_directive_old = in_preprocessor_directive;
//
// properties checks:
//
in_comment = check_if_in_comment(in_comment_old,
in_comment_old_old,
in_single_quote_old,
in_double_quote_old, b);
in_single_quote = check_if_in_a_certain_quote('\'',
in_single_quote_old,
in_double_quote_old,
in_comment_old, b);
in_double_quote = check_if_in_a_certain_quote('"',
in_double_quote_old,
in_single_quote_old,
in_comment_old, b);
in_quote = check_if_in_quote(in_single_quote_old,
in_double_quote_old);
in_code = check_if_in_code(in_comment_old,
in_single_quote,
in_double_quote);
in_preprocessor_directive = check_if_in_preprocessor_directive(in_code,
in_preprocessor_directive_old, b);
// if (in_preprocessor_directive) printf("_");
// if (in_single_quote) printf("'");
// if (in_double_quote) printf("\"");
// if (in_comment) printf("_");
//
// rules check:
//
rule_2_2_cpp_style_comments_not_allowed(in_code,
b, line);
rule_2_3_nested_comments_not_allowed(in_comment,
in_comment_old,
line);
rule_4_1_only_simple_escape_sequences_allowed(in_quote,
b, line);
rule_4_2_trigraphs_not_allowed(b, line);
rule_5_1_identifiers_longer_than_31_characters_not_allowed(in_code,
b, line);
rule_7_1_octal_constants_and_escape_sequences_not_allowed(in_code,
in_quote,
b, line);
rule_14_4_goto_not_allowed(in_code, b, line);
rule_14_5_continue_not_allowed(in_code, b, line);
rule_19_6_undef_not_allowed(in_code, b, line);
rule_19_13_token_concatenation_not_allowed(in_preprocessor_directive,
b, line);
}
}