updated work

1 files changed, 45 insertions, 0 deletions

diff --git a/comp/lucas-standen-NEA/code/execution/builtin.c b/comp/lucas-standen-NEA/code/execution/builtin.c
new file mode 100644
index 0000000..df3ca03
--- /dev/null
+++ b/comp/lucas-standen-NEA/code/execution/builtin.c
@@ -0,0 +1,45 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include "../global/types.h"
+#include "../global/util.h"
+
+#define MAXARGS 8
+
+void *doCall(ast_node *node){
+	builtInFuncs id = node->func->builtInFunc;
+	for (int i = 0; i < MAXARGS; i++){
+		if (node->args[i] != NULL){
+			node->literalArgs[i] = doCall(node->args[i]);
+		}
+	}
+
+	char *str = CheckedMalloc(20);
+	switch (id){
+		case ADD:
+			snprintf(str, 20, "%d", atoi(node->literalArgs[0]) + atoi(node->literalArgs[1]));
+			return str;
+			break;
+		case SUB:
+			snprintf(str, 20, "%d", atoi(node->literalArgs[0]) - atoi(node->literalArgs[1]));
+			return str;
+			break;
+		case DIV:
+			snprintf(str, 20, "%d", atoi(node->literalArgs[0]) / atoi(node->literalArgs[1]));
+			return str;
+			break;
+		case MUL:
+			snprintf(str, 20, "%d", atoi(node->literalArgs[0]) * atoi(node->literalArgs[1]));
+			return str;
+			break;
+
+		case WRITE:
+			fputs(node->literalArgs[0], stdout);
+			break;
+
+		case EXIT:
+			int returnValue = atoi(node->literalArgs[0]);
+			CheckedFreeALL();
+			exit(returnValue);
+			break;
+	}
+}