Added type casting a grouping bugfix, resolved #76

scripts/example.toy

@@ -1,27 +1,4 @@
-var colors = [
-    "red",
-    "orange",
-    "yellow",
-    "green",
-    "blue",
-    "violet",
-    "indigo"
-];
+var s = "42";
+var t = "69";
 
-fn getRainbowColor(index) {
-    return colors[index];
-}
-
-
-import standard;
-import random;
-
-var rng: opaque = createRandomGenerator(hash(clock()));
-
-
-
-print getRainbowColor(rng.generateRandomNumber() % colors.length());
-print getRainbowColor(rng.generateRandomNumber() % colors.length());
-print getRainbowColor(rng.generateRandomNumber() % colors.length());
-print getRainbowColor(rng.generateRandomNumber() % colors.length());
-print getRainbowColor(rng.generateRandomNumber() % colors.length());
+print int (s + t) - 1;

source/toy_parser.c

@@ -739,6 +739,27 @@ static Toy_Opcode decrementInfix(Toy_Parser* parser, Toy_ASTNode** nodeHandle) {
 }
 
 static Toy_Opcode fnCall(Toy_Parser* parser, Toy_ASTNode** nodeHandle) {
+	//wait - is the previous token a type? this should be casting instead
+	if (parser->previous.type >= TOY_TOKEN_NULL && parser->previous.type <= TOY_TOKEN_ANY) {
+		//casting type
+		Toy_ASTNode* lhsNode = NULL;
+		castingPrefix(parser, &lhsNode);
+		advance(parser);
+
+		//casting value
+		Toy_ASTNode* rhsNode = NULL;
+		grouping(parser, &rhsNode);
+
+		//emit the cast node
+
+		Toy_emitASTNodeBinary(&lhsNode, rhsNode, TOY_OP_TYPE_CAST);
+
+		//pass it off to the caller
+		*nodeHandle = lhsNode;
+
+		return TOY_OP_GROUPING_BEGIN; //dummy value
+	}
+
 	advance(parser); //skip the left paren
 
 	//binary() is an infix rule - so only get the RHS of the operator

test/scripts/casting-parentheses-bugfix.toy

@@ -0,0 +1,7 @@
+var s = "42";
+var t = "69";
+
+assert int (s + t) - 1 == 4268, "casting parentheses failed";
+
+
+print "All good";

test/test_interpreter.c

@@ -108,6 +108,7 @@ int main() {
 		//run each file in tests/scripts/
 		const char* filenames[] = {
 			"arithmetic.toy",
+			"casting-parentheses-bugfix.toy",
 			"casting.toy",
 			"coercions.toy",
 			"comparisons.toy",