[vala/0.42] gsignal: Move disconnect error from signal-module to semantic-analyzer pass
- From: Rico Tzschichholz <ricotz src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [vala/0.42] gsignal: Move disconnect error from signal-module to semantic-analyzer pass
- Date: Wed, 10 Apr 2019 14:27:41 +0000 (UTC)
commit 06cab1e9de6191eda8c49fa6df8b20e347d581bc
Author: Rico Tzschichholz <ricotz ubuntu com>
Date: Sun Mar 10 18:14:09 2019 +0100
gsignal: Move disconnect error from signal-module to semantic-analyzer pass
Add corresponding invalid test to increase coverage
codegen/valagsignalmodule.vala | 3 ---
tests/Makefile.am | 1 +
tests/semantic/signal-disconnect-invalid.test | 10 ++++++++++
vala/valamethodcall.vala | 10 ++++++++++
4 files changed, 21 insertions(+), 3 deletions(-)
---
diff --git a/codegen/valagsignalmodule.vala b/codegen/valagsignalmodule.vala
index e3a12f58f..b3b7333b8 100644
--- a/codegen/valagsignalmodule.vala
+++ b/codegen/valagsignalmodule.vala
@@ -642,9 +642,6 @@ public class Vala.GSignalModule : GObjectModule {
}
} else {
// disconnect
- if (handler is LambdaExpression) {
- Report.error (handler.source_reference, "Cannot disconnect lambda expression
from signal. Use Object.disconnect.");
- }
if (sig is DynamicSignal) {
connect_func = get_dynamic_signal_disconnect_wrapper_name ((DynamicSignal)
sig);
} else {
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 9de376474..c71e0cf40 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -664,6 +664,7 @@ TESTS = \
semantic/signal-detail-invalid.test \
semantic/signal-detail-non-string.test \
semantic/struct-derived.test \
+ semantic/signal-disconnect-invalid.test \
semantic/struct-field-initializer.test \
semantic/struct-invalid-base.test \
semantic/struct-recursive.test \
diff --git a/tests/semantic/signal-disconnect-invalid.test b/tests/semantic/signal-disconnect-invalid.test
new file mode 100644
index 000000000..2d3883840
--- /dev/null
+++ b/tests/semantic/signal-disconnect-invalid.test
@@ -0,0 +1,10 @@
+Invalid Code
+
+class Foo : Object {
+ public signal void bar ();
+}
+
+void main () {
+ var foo = new Foo ();
+ foo.bar.disconnect (() => {});
+}
diff --git a/vala/valamethodcall.vala b/vala/valamethodcall.vala
index b3fe08465..15d608656 100644
--- a/vala/valamethodcall.vala
+++ b/vala/valamethodcall.vala
@@ -509,6 +509,16 @@ public class Vala.MethodCall : Expression {
value_type.nullable = true;
}
+ unowned Signal? sig = m.parent_symbol as Signal;
+ if (sig != null && m.name == "disconnect") {
+ var param = get_argument_list ()[0];
+ if (param is LambdaExpression) {
+ error = true;
+ Report.error (source_reference, "Cannot disconnect lambda expression
from signal");
+ return false;
+ }
+ }
+
var dynamic_sig = m.parent_symbol as DynamicSignal;
if (dynamic_sig != null && dynamic_sig.handler != null) {
dynamic_sig.return_type = dynamic_sig.handler.value_type.get_return_type
().copy ();
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