CMakePresets.json: Properly report macro expansion errors

Make a distinction between strings which simply use the
$vendor{<...>} macro, which is valid but makes it unusable by CMake,
and strings which actually contain invalid macro expansions.

Fixes: #21308

1 files changed, 10 insertions, 0 deletions

diff --git a/Tests/RunCMake/CMakePresets/UnclosedMacro.json.in b/Tests/RunCMake/CMakePresets/UnclosedMacro.json.in
new file mode 100644
index 0000000..ad6cf7d
--- /dev/null
+++ b/Tests/RunCMake/CMakePresets/UnclosedMacro.json.in
@@ -0,0 +1,10 @@
+{
+  "version": 1,
+  "configurePresets": [
+    {
+      "name": "UnclosedMacro",
+      "generator": "@RunCMake_GENERATOR@",
+      "binaryDir": "${sourceDir"
+    }
+  ]
+}