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authorRico Tzschichholz <ricotz@ubuntu.com>2022-01-05 20:45:10 +0100
committerRico Tzschichholz <ricotz@ubuntu.com>2022-01-08 12:21:05 +0100
commitdaf2e428fa0efff0ca8fe875d2707b09649b8abb (patch)
tree566ad0441425cc59bbf29e2bb4c0816479cb867a
parentd7ae5f546bd23ca7bc717690ddcf9d365a747e4c (diff)
downloadvala-daf2e428fa0efff0ca8fe875d2707b09649b8abb.tar.gz
codegen: Clear existing length values when revisiting a slice expression
Fixes https://gitlab.gnome.org/GNOME/vala/issues/1274
-rw-r--r--codegen/valaccodearraymodule.vala3
-rw-r--r--codegen/valaglibvalue.vala11
2 files changed, 13 insertions, 1 deletions
diff --git a/codegen/valaccodearraymodule.vala b/codegen/valaccodearraymodule.vala
index 117395d65..0a76c72cb 100644
--- a/codegen/valaccodearraymodule.vala
+++ b/codegen/valaccodearraymodule.vala
@@ -210,7 +210,8 @@ public class Vala.CCodeArrayModule : CCodeMethodCallModule {
var splicelen = new CCodeBinaryExpression (CCodeBinaryOperator.MINUS, cstop, cstart);
set_cvalue (expr, cstartpointer);
- append_array_length (expr, splicelen);
+ // Make sure no previous length values are preserved
+ set_array_length (expr, splicelen);
}
void append_struct_array_free_loop (Struct st) {
diff --git a/codegen/valaglibvalue.vala b/codegen/valaglibvalue.vala
index ed095cf83..acd8ac9d7 100644
--- a/codegen/valaglibvalue.vala
+++ b/codegen/valaglibvalue.vala
@@ -142,6 +142,17 @@ namespace Vala {
glib_value.append_array_length_cvalue (size);
}
+ public static void set_array_length (Expression expr, CCodeExpression size) {
+ unowned GLibValue? glib_value = (GLibValue) expr.target_value;
+ if (glib_value == null) {
+ expr.target_value = new GLibValue (expr.value_type);
+ glib_value = (GLibValue) expr.target_value;
+ } else {
+ glib_value.array_length_cvalues = null;
+ }
+ glib_value.append_array_length_cvalue (size);
+ }
+
public static unowned List<CCodeExpression>? get_array_lengths (Expression expr) {
unowned GLibValue? glib_value = (GLibValue) expr.target_value;
if (glib_value == null) {