pkg/codesearch: support searching for references

Extend codesearch clang tool to export info about function references
(calls, takes-address-of).
Add pkg/codesearch command find-references.
Export find-references in pkg/aflow/tools/codesearcher to LLMs.

Update #6469

1 files changed, 6 insertions, 0 deletions

diff --git a/pkg/codesearch/testdata/mm/refs.c b/pkg/codesearch/testdata/mm/refs.c
new file mode 100644
index 000000000..709871ab7
--- /dev/null
+++ b/pkg/codesearch/testdata/mm/refs.c
@@ -0,0 +1,6 @@
+int refs2();
+
+void ref_in_mm()
+{
+	refs2();
+}