changed project structure

1 files changed, 104 insertions, 0 deletions

diff --git a/src/precedent.c b/src/precedent.c
new file mode 100644
index 0000000..81555b9
--- /dev/null
+++ b/src/precedent.c
@@ -0,0 +1,104 @@
+#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;
+	}
+}