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#include <stdlib.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <libgen.h>
#include "precedent.h"
#include "hashtable.h"
#include "parse.h"
#include "eval.h"
int main(int argc, char** argv) {
int visual = 0;
if (argc > 1) {
for (int i = 1; i < argc; i++) {
if (strcmp("--version", argv[i]) == 0) {
printf("precedent, version 0.1\n");
printf("Copyright 2023 Kai Stevenson\n");
printf("All rights reserved. No part of the software may be sold\nor used in derivative works without explicit consent\n");
return 0;
}
else if (strcmp("--help", argv[i]) == 0) {
printf("usage: precedent <file> [--visualize] [--version] [--help]\n");
return 0;
}
else if (strcmp("--visualize", argv[i]) == 0) {
visual = 1;
}
}
}
else {
printf("usage: precedent <file> [--visualize] [--version] [--help]\n");
return 0;
}
/* dirname may modify path, copy first */
char* path = argv[1];
char* pathCpy = malloc((strlen(path) + 1) * sizeof(char));
strcpy(pathCpy, path);
char* dirName = dirname(pathCpy);
char* baseDir = malloc((strlen(dirName) + 2) * sizeof(char));
strcpy(baseDir, dirName);
strcat(baseDir, "/");
sym_t* finalSymbol = parse_symbol_final(read_file(path));
if (visual) {
printf("--BEGIN VISUALIZATION--\n");
write_symbol_visual(finalSymbol, 0);
printf("--END VISUALIZATION--\n");
}
init_eval();
eval(finalSymbol);
free(dirName);
free(pathCpy);
free(baseDir);
return 0;
}
char* read_file(char* path) {
FILE* file = fopen(path, "r");
fseek(file, 0, SEEK_END);
unsigned long int length = ftell(file);
fseek(file, 0, SEEK_SET);
char* out = malloc((length + 1) * sizeof(char));
fread(out, length, 1, file);
fclose(file);
out[length] = '\0';
return out;
}
/* wtf */
char* preprocess(char* str, char* baseDir) {
char* final = str;
while (1) {
int i = 0;
while (str[i] != '@') {
i++;
if (str[i] == '\0') {
printf("%s\n", final);
return final;
}
}
i++;
char* includeName = malloc(20 * sizeof(char));
int f = 0;
while (isalnum(str[i]) || str[i] == '/' || str[i] == '.' || str[i] == '_') {
includeName[f] = str[i];
str[i] = ' ';
i++;
f++;
}
final = str;
includeName[f] = '\0';
char* path = malloc((strlen(baseDir) + strlen(includeName) + 1) * sizeof(char));
strcpy(path, baseDir);
strcat(path, includeName);
char* toInclude = preprocess(read_file(path), baseDir);
char* newStr = malloc((strlen(toInclude) + strlen(final) + 1) * sizeof(char));
strcpy(newStr, toInclude);
strcat(newStr, final);
/*
free(includeName);
free(path);
free(str);
free(toInclude);
*/
final = newStr;
}
}
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