http://llvm.org/bugs/show_bug.cgi?id=22184
Bug ID: 22184
Summary: Incomplete cursor traversal: Lambda function param
Product: clang
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: libclang
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Given the code (as foo.cpp):
#include <vector>
#include <string>
#include <functional>
int main()
{
std::vector<std::function<std::string (std::string const&)>> v
{
[&](std::string const &str) -> std::string
{ return str; }
};
}
and the example test code: https://gist.github.com/jeaye/6e04855778086c1e5d24
the resulting output is currently (trunk as of 01-10-15):
https://gist.github.com/jeaye/78ae7c98156afc5dfa34
The issue is shown starting at line 46 in the output, where the namespace ref
(std), the type ref (string), and the variable (str) are given the cursor
LambdaExpr instead of their closest cursors (as listed inline).
After my commit:
https://github.com/jeaye/clang/commit/d5e32aa70903556a5181f45ee6b9975864b890ba
the result is:
https://gist.github.com/jeaye/81e5e58f3da3bf2334d8
Note, on the same starting line of the output (46), the namespace, type, and
variable are all given the correct cursor. An inline diff of the two outputs:
@@ -43,12 +43,12 @@
&, LambdaExpr, Record,
], LambdaExpr, Record,
(, LambdaExpr, Record,
-std, LambdaExpr, Record,
-::, LambdaExpr, Record,
-string, LambdaExpr, Record,
-const, LambdaExpr, Record,
-&, LambdaExpr, Record,
-str, LambdaExpr, Record,
+std, NamespaceRef, Invalid, std
+::, ParmDecl, LValueReference, str
+string, TypeRef, Typedef, string
+const, ParmDecl, LValueReference, str
+&, ParmDecl, LValueReference, str
+str, ParmDecl, LValueReference, str
), LambdaExpr, Record,
->, LambdaExpr, Record,
std, NamespaceRef, Invalid, std
--
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