Ben Clayton f24b37e122 writer/msl: Rework string printing ... Add `out` parameters to expression and type generators. Use the new helper classes in TextGenerator. Cleans up bad formatting. Prepares the writer generating 'pre' statements, required for atomics. If-else statements are generated slightly differently. This is done so that 'pre' statements for the else conditions are scoped correctly. This is identical to the HLSL writer. Bug tint:892 Change-Id: I4c6e96c90673ba30898b3682bf3198497d63a2d4 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/56067 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: James Price <jrprice@google.com> Commit-Queue: Ben Clayton <bclayton@google.com>		2021-06-28 15:30:57 +00:00
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947.wgsl	Add test case for dawn:947	2021-06-21 19:27:26 +00:00
947.wgsl.expected.hlsl	Add test case for dawn:947	2021-06-21 19:27:26 +00:00
947.wgsl.expected.msl	writer/msl: Rework string printing	2021-06-28 15:30:57 +00:00
947.wgsl.expected.spvasm	Add test case for dawn:947	2021-06-21 19:27:26 +00:00
947.wgsl.expected.wgsl	Add test case for dawn:947	2021-06-21 19:27:26 +00:00