101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
#include "vec.h"
|
|
#include <errno.h>
|
|
#include <regex.h>
|
|
#include <stdbool.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
int find_funcs(const char *path)
|
|
{
|
|
FILE *fp;
|
|
regex_t fdre, fcre;
|
|
int ret;
|
|
char line[1024];
|
|
char boum[1024];
|
|
regmatch_t rm[2];
|
|
const char *re_func_decl = "^(\\w+(\\s+)?\\**){2,}\\([^!@#$+%^]+?\\)\\s+";
|
|
const char *re_func_call = "([a-zA-Z_0-9]+)\\(.*\\)";
|
|
|
|
fp = fopen(path, "r");
|
|
if (fp == 0) {
|
|
fprintf(stderr, "Failed to open file %s (%d: %s)\n", path, errno, strerror(errno));
|
|
return EXIT_FAILURE;
|
|
}
|
|
ret = regcomp(&fdre, re_func_decl, REG_EXTENDED);
|
|
if (ret != 0) {
|
|
fprintf(stderr, "Failed to compile regex '%s'\n", re_func_decl);
|
|
return EXIT_FAILURE;
|
|
}
|
|
ret = regcomp(&fcre, re_func_call, REG_EXTENDED);
|
|
if (ret != 0) {
|
|
fprintf(stderr, "Failed to compile regex '%s'\n", re_func_call);
|
|
return EXIT_FAILURE;
|
|
}
|
|
bool in = false;
|
|
graph_vec g = new_graph(10);
|
|
int index;
|
|
int cur_node;
|
|
while ((fgets(line, 1024, fp)) != NULL) {
|
|
if (in && line[0] == '}') {
|
|
in = false;
|
|
}
|
|
if (in) {
|
|
if (regexec(&fcre, line, 2, rm, 0) == 0) {
|
|
// printf("Line: <<%.*s>>\n", (int)(rm[0].rm_eo - rm[0].rm_so), line + rm[0].rm_so);
|
|
sprintf(boum, "%.*s", (int)(rm[1].rm_eo - rm[1].rm_so), line + rm[1].rm_so);
|
|
// printf("%.*s\n", (int)(rm[1].rm_eo - rm[1].rm_so), line + rm[1].rm_so);
|
|
if ((index = is_in(g, boum))) {
|
|
if (g.node[cur_node]->nbs == g.node[cur_node]->cap)
|
|
g.node[cur_node]->succ = reallocarray(g.node[cur_node]->succ, (g.node[cur_node]->cap += 5), sizeof(nodept));
|
|
g.node[cur_node]->succ[g.node[cur_node]->nbs] = g.node[index];
|
|
g.node[cur_node]->nbs++;
|
|
} else {
|
|
insert_node(&g, boum);
|
|
if (g.node[cur_node]->nbs == g.node[cur_node]->cap)
|
|
g.node[cur_node]->succ = reallocarray(g.node[cur_node]->succ, (g.node[cur_node]->cap += 5), sizeof(nodept));
|
|
g.node[cur_node]->succ[g.node[cur_node]->nbs] = g.node[g.n];
|
|
g.node[cur_node]->nbs++;
|
|
}
|
|
}
|
|
} else if (regexec(&fdre, line, 2, rm, 0) == 0) { // function definition
|
|
sprintf(boum, "%.*s", (int)(rm[1].rm_eo - rm[1].rm_so), line + rm[1].rm_so);
|
|
if ((index = is_in(g, boum))) {
|
|
cur_node = index;
|
|
} else {
|
|
insert_node(&g, boum);
|
|
cur_node = g.n;
|
|
}
|
|
// if (strcmp(boum, "ml_new_data") == 0)
|
|
// printf("%d\n", cur_node);
|
|
in = true;
|
|
}
|
|
}
|
|
// for (int j = 0; j < g.n; j++) {
|
|
// printf("NODE %d: %s\n", j, g.node[j]->func);
|
|
// }
|
|
// print_node(g.node[0]);
|
|
dot_graph(g.node[0]);
|
|
// int test = is_in(g, "ml_new_data");
|
|
// printf("%s\n", g.node[14]->func);
|
|
// printf("%d\n", g.node[14]->nbs);
|
|
regfree(&fdre);
|
|
regfree(&fcre);
|
|
fclose(fp);
|
|
delete_graph(&g);
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
find_funcs("./memline.c");
|
|
// graph_vec g = new_graph(3);
|
|
// insert_node(&g, new_node(0), "main");
|
|
// insert_node(&g, new_node(1), "main1");
|
|
// insert_node(&g, new_node(2), "main2");
|
|
// printf("%d %d %d\n", g.node[0]->num,g.node[1]->num,g.node[2]->num);
|
|
// printf("%s %s %s\n", g.func[0],g.func[1],g.func[2]);
|
|
// delete_graph(&g);
|
|
return 0;
|
|
}
|