tools/clang/codesearch: index struct references

Update #6469

4 files changed, 59 insertions, 0 deletions

diff --git a/pkg/codesearch/testdata/query-file-index-source b/pkg/codesearch/testdata/query-file-index-source
index 3263deca3..af52513b7 100644
--- a/pkg/codesearch/testdata/query-file-index-source
+++ b/pkg/codesearch/testdata/query-file-index-source
@@ -3,6 +3,7 @@ file-index source0.c
 file source0.c defines the following entities:
 
 function close
+function func_accepting_a_struct
 function function_with_comment_in_header
 function open
 struct struct_in_c_file
diff --git a/pkg/codesearch/testdata/query-find-references-struct b/pkg/codesearch/testdata/query-find-references-struct
new file mode 100644
index 000000000..cfb266dc7
--- /dev/null
+++ b/pkg/codesearch/testdata/query-find-references-struct
@@ -0,0 +1,15 @@
+find-references source0.c some_struct "" 1 10
+
+some_struct has 2 references:
+
+function func_accepting_a_struct uses it at source0.c:29
+  29:	int func_accepting_a_struct(struct some_struct* p)
+  30:	{
+
+
+function func_accepting_a_struct uses it at source0.c:31
+  30:	{
+  31:		return ((some_struct_t*)p)->x +
+  32:		       ((union some_union*)p)->x;
+
+
diff --git a/pkg/codesearch/testdata/source0.c b/pkg/codesearch/testdata/source0.c
index 2d312ff99..5ac117cab 100644
--- a/pkg/codesearch/testdata/source0.c
+++ b/pkg/codesearch/testdata/source0.c
@@ -25,3 +25,9 @@ void function_with_comment_in_header()
 {
 	same_name_in_several_files();
 }
+
+int func_accepting_a_struct(struct some_struct* p)
+{
+	return ((some_struct_t*)p)->x +
+	       ((union some_union*)p)->x;
+}
diff --git a/pkg/codesearch/testdata/source0.c.json b/pkg/codesearch/testdata/source0.c.json
index ba6b41751..1732d7c97 100644
--- a/pkg/codesearch/testdata/source0.c.json
+++ b/pkg/codesearch/testdata/source0.c.json
@@ -23,6 +23,43 @@
 		},
 		{
 			"kind": "function",
+			"name": "func_accepting_a_struct",
+			"type": "int (struct some_struct *)",
+			"body": {
+				"file": "source0.c",
+				"start_line": 29,
+				"end_line": 33
+			},
+			"comment": {},
+			"refs": [
+				{
+					"kind": "uses",
+					"entity_kind": "struct",
+					"name": "some_struct",
+					"line": 29
+				},
+				{
+					"kind": "uses",
+					"entity_kind": "typedef",
+					"name": "some_struct_t",
+					"line": 31
+				},
+				{
+					"kind": "uses",
+					"entity_kind": "struct",
+					"name": "some_struct",
+					"line": 31
+				},
+				{
+					"kind": "uses",
+					"entity_kind": "union",
+					"name": "some_union",
+					"line": 32
+				}
+			]
+		},
+		{
+			"kind": "function",
 			"name": "func_in_header",
 			"type": "int ()",
 			"is_static": true,