add license, some boolean functions, fixed bugs, improved visualizer and added flag

1 files changed, 24 insertions, 13 deletions

diff --git a/precedent.c b/precedent.c
index 38fc617..b609fff 100644
--- a/precedent.c
+++ b/precedent.c
@@ -7,23 +7,34 @@
 #include "eval.h"
 
 int main(int argc, char** argv) {
+	int visual = 0;
 	if (argc > 1) {
-		if (strcmp("--version", argv[1]) == 0) {
-			printf("precedent, version 0.1\n");
-			printf("Copyright 2023 Kai Stevenson\n");
-			printf("This software was licensed under the MIT license;\n");
-			printf("for more information, see the license file.\n");
-			return 0;
-		}
-		else if (strcmp("--help", argv[1]) == 0) {
-			printf("usage: precedent [--version] [--help] <file>\n");
-			return 0;
+		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;
+	}
 	sym_t* finalSymbol = parse_symbol_final(read_file(argv[1]));
-	printf("drawing program:\n");
-	write_symbol_visual(finalSymbol, 0);
-	printf("\nexecuting program:\n");
+	if (visual) {
+		printf("--BEGIN VISUALIZATION--\n");
+		write_symbol_visual(finalSymbol, 0);
+		printf("--END VISUALIZATION--\n");
+	}
 	init_eval();
 	eval(finalSymbol);
 	return 0;