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authorRĂ©mi Verschelde <remi@verschelde.fr>2022-05-24 08:14:48 +0200
committerGitHub <noreply@github.com>2022-05-24 08:14:48 +0200
commitdb5a86339b9a5aba1a99d133ecfa3673f1ca1a97 (patch)
treef2f55f3bda386c9f7647695be110379b1ef6b3a5
parent3555b970bfc233be5d050cc3eb178886e10b406c (diff)
parent1b76a9d70515cc98d9772c72daadbf2634aa788f (diff)
Merge pull request #61345 from vnen/gdscript-lambda-issues
GDScript: A few fixes for lambda issues
-rw-r--r--modules/gdscript/gdscript_parser.cpp9
-rw-r--r--modules/gdscript/tests/scripts/parser/errors/lambda_standalone.gd3
-rw-r--r--modules/gdscript/tests/scripts/parser/errors/lambda_standalone.out2
-rw-r--r--modules/gdscript/tests/scripts/parser/features/if_after_lambda.gd7
-rw-r--r--modules/gdscript/tests/scripts/parser/features/if_after_lambda.out2
-rw-r--r--modules/gdscript/tests/scripts/parser/features/lambda_default_parameter_capture.gd7
-rw-r--r--modules/gdscript/tests/scripts/parser/features/lambda_default_parameter_capture.out2
7 files changed, 31 insertions, 1 deletions
diff --git a/modules/gdscript/gdscript_parser.cpp b/modules/gdscript/gdscript_parser.cpp
index 96d1f68f60..b93fff3914 100644
--- a/modules/gdscript/gdscript_parser.cpp
+++ b/modules/gdscript/gdscript_parser.cpp
@@ -1624,6 +1624,10 @@ GDScriptParser::Node *GDScriptParser::parse_statement() {
case Node::AWAIT:
// Fine.
break;
+ case Node::LAMBDA:
+ // Standalone lambdas can't be used, so make this an error.
+ push_error("Standalone lambdas cannot be accessed. Consider assigning it to a variable.", expression);
+ break;
default:
push_warning(expression, GDScriptWarning::STANDALONE_EXPRESSION);
}
@@ -2099,7 +2103,7 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_precedence(Precedence p_pr
ExpressionNode *previous_operand = (this->*prefix_rule)(nullptr, p_can_assign);
while (p_precedence <= get_rule(current.type)->precedence) {
- if (previous_operand == nullptr || (p_stop_on_assign && current.type == GDScriptTokenizer::Token::EQUAL)) {
+ if (previous_operand == nullptr || (p_stop_on_assign && current.type == GDScriptTokenizer::Token::EQUAL) || (previous_operand->type == Node::LAMBDA && lambda_ended)) {
return previous_operand;
}
// Also switch multiline mode on here for infix operators.
@@ -2922,6 +2926,9 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_lambda(ExpressionNode *p_p
current_function = function;
SuiteNode *body = alloc_node<SuiteNode>();
+ body->parent_function = current_function;
+ body->parent_block = current_suite;
+
SuiteNode *previous_suite = current_suite;
current_suite = body;
diff --git a/modules/gdscript/tests/scripts/parser/errors/lambda_standalone.gd b/modules/gdscript/tests/scripts/parser/errors/lambda_standalone.gd
new file mode 100644
index 0000000000..fa0a43094e
--- /dev/null
+++ b/modules/gdscript/tests/scripts/parser/errors/lambda_standalone.gd
@@ -0,0 +1,3 @@
+func test():
+ func standalone():
+ print("can't be accessed")
diff --git a/modules/gdscript/tests/scripts/parser/errors/lambda_standalone.out b/modules/gdscript/tests/scripts/parser/errors/lambda_standalone.out
new file mode 100644
index 0000000000..c6830c8258
--- /dev/null
+++ b/modules/gdscript/tests/scripts/parser/errors/lambda_standalone.out
@@ -0,0 +1,2 @@
+GDTEST_PARSER_ERROR
+Standalone lambdas cannot be accessed. Consider assigning it to a variable.
diff --git a/modules/gdscript/tests/scripts/parser/features/if_after_lambda.gd b/modules/gdscript/tests/scripts/parser/features/if_after_lambda.gd
new file mode 100644
index 0000000000..f5e26ab1ab
--- /dev/null
+++ b/modules/gdscript/tests/scripts/parser/features/if_after_lambda.gd
@@ -0,0 +1,7 @@
+# https://github.com/godotengine/godot/issues/61231
+
+func test():
+ var my_lambda = func():
+ print("hello")
+ if 0 == 0:
+ my_lambda.call()
diff --git a/modules/gdscript/tests/scripts/parser/features/if_after_lambda.out b/modules/gdscript/tests/scripts/parser/features/if_after_lambda.out
new file mode 100644
index 0000000000..58774d2d3f
--- /dev/null
+++ b/modules/gdscript/tests/scripts/parser/features/if_after_lambda.out
@@ -0,0 +1,2 @@
+GDTEST_OK
+hello
diff --git a/modules/gdscript/tests/scripts/parser/features/lambda_default_parameter_capture.gd b/modules/gdscript/tests/scripts/parser/features/lambda_default_parameter_capture.gd
new file mode 100644
index 0000000000..2140b6923e
--- /dev/null
+++ b/modules/gdscript/tests/scripts/parser/features/lambda_default_parameter_capture.gd
@@ -0,0 +1,7 @@
+# https://github.com/godotengine/godot/issues/56751
+
+func test():
+ var x = "local"
+ var lambda = func(param = x):
+ print(param)
+ lambda.call()
diff --git a/modules/gdscript/tests/scripts/parser/features/lambda_default_parameter_capture.out b/modules/gdscript/tests/scripts/parser/features/lambda_default_parameter_capture.out
new file mode 100644
index 0000000000..ce3241b94d
--- /dev/null
+++ b/modules/gdscript/tests/scripts/parser/features/lambda_default_parameter_capture.out
@@ -0,0 +1,2 @@
+GDTEST_OK
+local