https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124464
Bug ID: 124464
Summary: RFE: Add ability to quote command line
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: diagnostics
Assignee: dmalcolm at redhat dot com
Reporter: pierre-emmanuel.patry at embecosm dot com
Target Milestone: ---
The language hooks already provide a way to get the location within an
argument.
FOO_langhook_handle_option (
size_t scode, const char *arg, HOST_WIDE_INT value, int kind,
location_t loc, const struct cl_option_handlers *handlers);
But this location is relative to the beginning of the option handled, it gets
hard for the user to know which one was invalid when a lot of options are
specified.
Example from the rust front-end:
./gcc/crab1 test.rs -frust-crate-attr="(option1" -frust-crate-attr="option2("
-frust-crate-attr="option3(
gives the following output using the standard diagnostic mechanisms:
cli:1:1: error: XXX
cli:1:8: error: YYY
cli:1:8: error: ZZZ
A quoting mechanism for the command line would improve readability:
cli:1:1: error: XXXX
1 | ./gcc/crab1 test.rs -frust-crate-attr="(option1"
| ^~~~~
