tree a82ed212caeec10313eda47a83f089105a2f6455
parent ffe7978dbf499b7bc4f9b819912cbc5ae676085b
author Ben Clayton <bclayton@google.com> 1625521717 +0000
committer Tint LUCI CQ <tint-scoped@luci-project-accounts.iam.gserviceaccount.com> 1625521717 +0000

reader/wgsl: Improve reserved keyword error messages

And add `vec` and `mat` to the reserved keyword list (see https://github.com/gpuweb/gpuweb/pull/1896)

Move these reserved keyword checks out of the lexer and into the parser.
Generate a sensible error message.
Add tests.

Change-Id: I1876448201a2fd773f38f337b4e49bc61a7642f7
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/56545
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: James Price <jrprice@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>