added program execution timer

1 files changed, 12 insertions, 0 deletions

diff --git a/src/precedent.c b/src/precedent.c
index 1874c51..c623234 100644
--- a/src/precedent.c
+++ b/src/precedent.c
@@ -2,6 +2,7 @@
 #include <ctype.h>
 #include <stdio.h>
 #include <string.h>
+#include <time.h>
 #include <libgen.h>
 #include "precedent.h"
 #include "hashtable.h"
@@ -9,7 +10,9 @@
 #include "eval.h"
 
 int main(int argc, char** argv) {
+	clock_t initTime = clock();
 	int visual = 0;
+	int debug = 0;
 	if (argc > 1) {
 		for (int i = 1; i < argc; i++) {
 			if (strcmp("--version", argv[i]) == 0) {
@@ -25,6 +28,9 @@ int main(int argc, char** argv) {
 			else if (strcmp("--visualize", argv[i]) == 0) {
 				visual = 1;
 			}
+			else if (strcmp("--debug", argv[i]) == 0) {
+				debug = 1;
+			}
 		}
 	}
 	else {
@@ -50,7 +56,13 @@ int main(int argc, char** argv) {
 		printf("--END VISUALIZATION--\n");
 	}
 	hashtable_t* rootTable = init_hashtable(500, NULL);
+	clock_t setupTime = clock();
 	sym_t* sym = eval(finalSymbol, rootTable);
+	clock_t evalTime = clock();
+	if (debug) {
+		printf("time taken to set up environment: %.5f secs\n", (float)(setupTime - initTime) / (float)CLOCKS_PER_SEC);
+		printf("time taken to execute program: %.5f secs\n", ((float)(evalTime - setupTime) - initTime) / (float)CLOCKS_PER_SEC);
+	}
 	destroy_sym(sym);
 	destroy_sym_tree(finalSymbol);
 	destroy_hashtable(rootTable);