[cfe-dev] Disabling the automatic method renaming when performing error recovery

[Reid Kleckner via cfe-dev]

-fno-spell-checking

On Fri, Sep 30, 2016 at 10:01 AM, Alex L via cfe-dev <cfe-dev at lists.llvm.org
> wrote:

> Hello,
>
> Consider the following example:
>
>   class Foo {
>     int* create_process(int pid, const char* name);
>   };
>
>   int *Foo::create_process2(int pid, const char* name) {
>     return 0;
>   }
>
> If I run '-ast-dump' on the example above, clang dumps the AST with the
> method create_process2 renamed to create_process:
>
> `-CXXMethodDecl 0x7f90ca07ccd0 parent 0x7f90ca07c050 prev 0x7f90ca07c398
> <line:5:1, line:7:1> line:5:11 create_process 'int *(int, const char *)'
>   |-ParmVarDecl 0x7f90ca07c480 <col:27, col:31> col:31 pid 'int'
>   |-ParmVarDecl 0x7f90ca07c4f0 <col:36, col:48> col:48 name 'const char *'
>   `-CompoundStmt 0x7f90ca800dc0 <col:54, line:7:1>
>     `-ReturnStmt 0x7f90ca800da8 <line:6:3, col:10>
>       `-ImplicitCastExpr 0x7f90ca800d90 <col:10> 'int *' <NullToPointer>
>         `-IntegerLiteral 0x7f90ca800d70 <col:10> 'int' 0
>
> This happens due to automatic renaming when recovering from this error:
> "out-of-line definition of 'create_process2' does not match any declaration
> in 'Foo'; did you mean 'create_process'?".
>
> I would like clang to parse the example without performing this automatic
> rename, i.e. create_process2 should keep its original name (or at least it
> should know that it was renamed to create_process and that the original
> name was create_process2). Is there a command line option that disables
> this kind of renaming, or is there any other way to determine that such a
> rename has occurred?
>
> Thanks,
> Alex
>
>
>
>
>
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>
>
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