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dawn-cmake/docs/tint/layering.md

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Add tint layering doc. A simple MD file to show the source set hierarchy which constrains where includes can go in Tint. Change-Id: Ia360430793faef01503260f29f88ef361bb91611 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/120443 Commit-Queue: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
2023-02-20 09:56:29 +00:00
# Tint Source Layering
The `BUILD.gn` is setup with small source units for various components
in Tint. The hierarchy of sources almost matches to folder structure in
tint (except for `base` which is a mix of things in `src/tint` and
`src/tint/util`.
```
+-----------------------------------------+
| Readers | Writers |
+-----------------------------------------+
|
V
+-----------------------------------------+
Remove the demangler. The demangler is no longer used by the Tint executable, and nothing else calls it, so delete it. Change-Id: Ic47238e4a6126e5daacd81dfc6f5986524b648ba Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/127280 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
2023-04-13 21:17:12 +00:00
| Val | Inspector | Transform |
Add tint layering doc. A simple MD file to show the source set hierarchy which constrains where includes can go in Tint. Change-Id: Ia360430793faef01503260f29f88ef361bb91611 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/120443 Commit-Queue: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
2023-02-20 09:56:29 +00:00
+-----------------------------------------+
| |
+--------------+------------------------------+
| |
V V
+-----------------------------------------+ +-----------+
| AST | | Utils IO |
+-----------------------------------------+ +-----------+
| |
V |
+-----------------------------------------+ |
| Program | Sem | |
+-----------------------------------------+ |
| |
V |
+-----------------------------------------+ |
| AST Hdrs | |
| (program and sem cause a cycle) | |
+-----------------------------------------+ |
| |
V |
+-----------------------------------------+ |
| Clone Context Hdrs | |
| (program and sem cause a cycle) | |
+-----------------------------------------+ |
| |
V |
+-----------------------------------------+ |
| Constant | |
+-----------------------------------------+ |
| |
V |
+-----------------------------------------+ |
| Types | |
+-----------------------------------------+ |
| |
V |
+-----------------------------------------+ |
| Builtin | |
+-----------------------------------------+ |
| |
|------------------------------+
V
+-----------------------------------------+
| Base |
+-----------------------------------------+
|
V
+-----------------------------------------+ +-------------+
| Text (unicode) | | Initializer |
+-----------------------------------------+ +-------------+
```