From 015d36d18bb3f9fe21452a470aac2c3a3597b92f Mon Sep 17 00:00:00 2001
From: Andreas Haas
Date: Fri, 26 May 2017 19:45:39 +0200
Subject: GDScript: Use "is" keyword for type checking.

Replaces the `extends` keyword with `is` in the context of testing for type compatibility.
`extends` is still used for declaring class inheritance.

Example:

```gdscript
extends Node2D

func _input(ev):
	if ev is InputEventKey:
		print("yay, key event")
```
---
 modules/gdscript/gd_parser.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'modules/gdscript/gd_parser.cpp')

diff --git a/modules/gdscript/gd_parser.cpp b/modules/gdscript/gd_parser.cpp
index 4ae62eb1d..d64cd86de 100644
--- a/modules/gdscript/gd_parser.cpp
+++ b/modules/gdscript/gd_parser.cpp
@@ -1077,7 +1077,7 @@ GDParser::Node *GDParser::_parse_expression(Node *p_parent, bool p_static, bool
 			case GDTokenizer::TK_OP_BIT_AND: op = OperatorNode::OP_BIT_AND; break;
 			case GDTokenizer::TK_OP_BIT_OR: op = OperatorNode::OP_BIT_OR; break;
 			case GDTokenizer::TK_OP_BIT_XOR: op = OperatorNode::OP_BIT_XOR; break;
-			case GDTokenizer::TK_PR_EXTENDS: op = OperatorNode::OP_EXTENDS; break;
+			case GDTokenizer::TK_PR_IS: op = OperatorNode::OP_IS; break;
 			case GDTokenizer::TK_CF_IF: op = OperatorNode::OP_TERNARY_IF; break;
 			case GDTokenizer::TK_CF_ELSE: op = OperatorNode::OP_TERNARY_ELSE; break;
 			default: valid = false; break;
@@ -1117,7 +1117,7 @@ GDParser::Node *GDParser::_parse_expression(Node *p_parent, bool p_static, bool
 
 			switch (expression[i].op) {
 
-				case OperatorNode::OP_EXTENDS:
+				case OperatorNode::OP_IS:
 					priority = -1;
 					break; //before anything
 
@@ -1420,7 +1420,7 @@ GDParser::Node *GDParser::_reduce_expression(Node *p_node, bool p_to_const) {
 				}
 			}
 
-			if (op->op == OperatorNode::OP_EXTENDS) {
+			if (op->op == OperatorNode::OP_IS) {
 				//nothing much
 				return op;
 			}
-- 
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