[PATCH v1 00/13] parse-events clean up

[Ian Rogers]

Remove some tokens the lexer never produces. Ensure abort paths set an
error. Previously scanning all PMUs meant bad events could fail with
an invalid token, detect this at the point parsing for a PMU fails and
add error strings. Try to be consistent in using YYNOMEM for memory
failures and YYABORT for bad input.

Ian Rogers (13):
  perf parse-events: Remove unused PE_PMU_EVENT_FAKE token
  perf parse-events: Remove unused PE_KERNEL_PMU_EVENT token
  perf parse-events: Remove two unused tokens
  perf parse-events: Add more comments to parse_events_state
  perf parse-events: Avoid regrouped warning for wild card events
  perf parse-event: Add memory allocation test for name terms
  perf parse-events: Separate YYABORT and YYNOMEM cases
  perf parse-events: Move instances of YYABORT to YYNOMEM
  perf parse-events: Separate ENOMEM memory handling
  perf parse-events: Additional error reporting
  perf parse-events: Populate error column for BPF events
  perf parse-events: Improve location for add pmu
  perf parse-events: Remove ABORT_ON

 tools/perf/tests/bpf.c         |   2 +-
 tools/perf/util/parse-events.c |  95 +++++----
 tools/perf/util/parse-events.h |  20 +-
 tools/perf/util/parse-events.y | 351 +++++++++++++++++----------------
 4 files changed, 256 insertions(+), 212 deletions(-)

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2.41.0.162.gfafddb0af9-goog