BUG=tint:722
Change-Id: I1d1ceb9770a2a071522b0eb11521041d23dc1c84
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/49462
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
BUG=tint:722
Change-Id: Iaf107077a596dd607c2f785d8787177279e0bcef
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/49461
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Also mark code elements that should be removed as part of
https://crbug.com/tint/753
BUG=tint:722
Change-Id: I52aedeffcb06e302f8399d83986909b36749ca5e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/49560
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
BUG=tint:722
Change-Id: Id6ca2a8c5b807c84658969a09ca75281f62221d1
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/49381
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
BUG=tint:722
Change-Id: Ide83964646f303c03a9cc780f3828f1816baa288
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/49380
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
BUG=tint:722
Change-Id: I742f1e536ef0429c2e7b8c9ea6c13b836a2ec0c2
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/49360
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
The preamble size in tint_all_transforms_fuzzers is dynamic in
anticipation of more complex preamble calculations in future CLs.
BUG=tint:722
Change-Id: I24a0b00a77aa565b5fe1f146015f017481916c1c
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/49200
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
These have now been removed from Dawn.
Change-Id: I50e784141e6eb07f4f0d3f508bb8c6199429dd63
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/48044
Auto-Submit: Ben Clayton <bclayton@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Copy all of the type classes from src/type into ast.
Required the merging of:
* type::Struct into the existing ast::Struct - ast::Struct now has a name.
* type::AccessControl into the existing ast::AccessControl enumerator - The old ast::AccessControl enumerator is now ast::AccessControl::Access
Bug: tint:724
Change-Id: Ibb950036ed551ec769c6d3d2c8fb411809cf6931
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/48383
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Also update comments and arch design to remove references to the
Validator.
Bug: tint:642
Change-Id: Ic0b4779ae4712a393ff209014daf25e23f32be6d
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/47061
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Reviewed-by: James Price <jrprice@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
BUG=tint:668
Change-Id: I6b0bf79873b01140b1e87ea60abeb623b031af23
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/45942
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Downstream users have all caught up to the change.
Remove the "uniform_constant" token from the WGSL parser.
Fixed: tint:332
Change-Id: I046f93d5e6c26b89d419763e73b1ca583250570f
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/45462
Auto-Submit: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
This will allow Tint's dependent to depend on libtint without GN
discovering Tint's test and try to build them. In particular it will
help use Tint in Dawn in Skia's standalone build which doesn't have
//testing.
Bug: dawn:706
Change-Id: Idd28662b89aa75df7704eaae205328dce0b96fef
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/44540
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Auto-Submit: Corentin Wallez <cwallez@chromium.org>
Transforms are meant to be reusable. Those that hold state cannot be used concurrently.
State leakage between runs is dangerous.
To fix this:
* Add transform::Data - A new base class for extra information emitted by transforms.
* Add transform::DataMap - A container of Data, keyed by type.
* Add a transform::DataMap field to Transform::Output.
* Have FirstIndexOffset emit a FirstIndexOffset::Data.
* Deprecate the getters on the transform.
Mutability of the transform config is also dangerous as setters can be called while a transform is actively running on another thread.
To fix:
* Expose a VertexPulling::Config structure and add a constructor that accepts this.
* Deprecate the setters on VertexPulling.
Also deprecate Transform::Output::diagnostics.
Put all the transform diagnostics into the returned Program. Reduces error handling of the client.
Change-Id: Ibd228dc2fbf004ede4720e2d6019c024bc5934d1
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/42264
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
WGSL recently removed this concept, since it didn't exist in WebGPU,
so excising it from the code.
BUG=tint:515
Change-Id: Ibbca6bd643fd96c2fb10bd33f471c9e9e58de535
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/42320
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
An unbuilt program doesn't have an ast::Module, so Program::AST() will just explode.
* Have a Program default to false for IsValid()
* Initialize the ast_ field to nullptr. This was previously floating.
* Return from CommonFuzzer::Run() earlier if the InputFormat is not recognised.
Fixed: chromium:1180130
Fixed: chromium:1180157
Change-Id: I9b67daa10746f386f44919a7b9ac5c171092d6e5
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/42028
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: David Neto <dneto@google.com>
Remove the Parser classes from the wgsl and spirv namespaces.
These have been replaced with a Parse() method.
Remove the TypeDeterminer::Run() method, this was not called by tint and
the TypeDeterminer is now non-public API.
Change-Id: I5ddb82768da04398ab3958d1647be44f9fe30c21
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/41840
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Add helpers on Program and ProgramBuilder that significantly simplify
usage.
Also demangle - this also reduces a bunch of copy-pasta code.
Change-Id: I6215c346e7f6e49c20aced058a6150603253ed93
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/39342
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Removes the need for Dawn to use the TypeDeterminer directly.
TypeDeterminer errors will be added to the Program diagnostics list.
Change-Id: I4cfb405e7e6b0e94727296eea872a3ddc4412b66
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38921
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
By putting diagnostics into the program, we can hold all the diagnostic messages for parsing and type determination in one place.
This also means that we can simplify the public WGSL and SPIR-V Parser interfaces to a single function.
Change-Id: Ib6ab5fa180addd45c4aaf0c6b192d47182ffb50a
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38920
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Program is now immutable*, and remains part of the public Tint
interface.
ProgramBuilder is the mutable builder for Programs, and is not part of
the public Tint interface. ast::Builder has been folded into
ProgramBuilder.
Immutable Programs can be cloned into a mutable ProgramBuilder with
Program::CloneAsBuilder().
Mutable ProgramBuilders can be moved into immutable Programs.
* - mostly immutable. It still has a move constructor and move
assignment operator - required for practical usage - and the
semantic information on AST nodes is still mutable.
Bug: tint:390
Change-Id: Ia856c50b1880c2f95c91467a9eef5024cbc380c6
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38240
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Have this take a SymbolTable instead of a Program.
Program will be split into Program (immutable) and ProgramBuilder (mutable). We'll need Demangler to support both.
Bug: tint:390
Change-Id: I6447dd9674919d4867ed8ba126880cdfd9bf7128
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38550
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Enforce all places where Dawn passes in or returns a ast::Module, now takes a `const Program* ` or returns a `Program`.
As the end goal of all this is to have immutable Programs, all Program inputs take a pointer instead of moving the actual object.
As consumers of a Program are now all const, we have to const_cast to work around all the places we've been incorrectly mutating a ast::Module.
These const_casts are temporary, and will be fixed in the next set of changes.
Depends on https://dawn-review.googlesource.com/c/dawn/+/38522
Bug: tint:390
Change-Id: Ie05b112b16134937d1b601e9b713ea4ec4e1c677
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38541
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Internally use BlockAllocator to allocate the types.
When we optimize the allocation patterns of BlockAllocator, this will now benefit both AST nodes and types.
Remove Reset(). It was not used.
Remove type::Manager::Get(std::unique_ptr<type::Type>) - this was used (via Module::unique_type) in one place, which has easily been migrated to using the standard Module::create<>.
Replace all remaining uses of std::unique_ptr<> of types in tests with the standard create<> so we can guarantee uniqueness of the types.
Change-Id: Ib0e1fe94e492b31816450df5de0c839a0aefcb9e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38362
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Despite `tint::ast::type::Type` being in the AST namespace, these classes are clearly not AST nodes:
* They don't derive from ast::Node
* They're deduplicated by the type manager
* None of the types have an Source - they have no lexical declaration point
* The fact we have `ast::Struct` and `ast::type::Struct` clearly demonstrates what is an AST node, and what is a type.
* We have code scattered in the codebase (TypeDeterminer, writers, etc) that create new types after parsing - so clearly not part of the original syntax tree.
Types in tint are closer to being semantic info, but due to the parse-time generation of types, and tight dependency of ast::Nodes to types, I'd be reluctant to class these as semantic info. Instead, put these into a separate root level `tint::type` namespace and `src/tint` directory.
The fact that types exist in the ast::Module has already caused bugs (https://dawn-review.googlesource.com/c/tint/+/37261). This is a first step in separating out types from the ast::Module.
Bug: tint:390
Change-Id: I8349bbbd1b19597b8e6d51d5cda0890de46ecaec
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38002
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
A container and allocator of objects of (or deriving from) the template type `T`.
Objects are allocated by calling Create(), and are owned by the BlockAllocator.
When the BlockAllocator is destructed, all constructed objects are automatically destructed and freed.
Objects held by the BlockAllocator can be iterated over using a View or ConstView.
Use this to hold the ast::Nodes in the ast::Module
This is called BlockAllocator as it can be optimized to hold objects in contiguous memory blocks, which will improve cache coherencey. Currently BlockAllocator is a straight port of the vector-of-unique-ptr, taken from ast::Module.
Change-Id: I4bf4d298aec3c70d2ddf833e2f168416cbb024c0
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38001
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
This Cl updates the `storage_buffer` storage class to just be `storage`.
Change-Id: Ibfaecbb0862bd60d39665eb937c0b6300899e177
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38161
Auto-Submit: dan sinclair <dsinclair@chromium.org>
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
BUG=chromium:1167337,chromium:1167634,chromium:1167759
Change-Id: Id7eeab225bd29862e43d18f1e44c6ec8b99e26d2
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38160
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
This CL adds support for the decorated texture storage tokens. The old
_ro_ and _wo_ tokens still exist until downstream users are updated.
Bug: tint:286
Change-Id: I4ddc50be3b22bd3feeab41b3b4fe4ded63e6e59a
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/37780
Auto-Submit: dan sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
It was missed in my previous patch.
BUG=tint:445
Change-Id: I3a71f464d5b3c2f84a3b5e160978c671fadb5bd0
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/37760
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
BUG=tint:445
Change-Id: Ic342c7e83827bcc57bfd134dec92b03cb9708a70
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/37540
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Revert "Revert 3 fuzzing CLs, since they are preventing rolling into Chromium."
This reverts commit 1d9935cf37.
Also adjusts BUILD.gn file, so that Chromium build can find all the
needed symbols.
BUG=tint:58,tint:59,tint:193,tint:194,tint:199,tint:436
Change-Id: I3fe71ff52c8156f30fccfaab0bf7f647f158aea4
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/37460
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Revert "Adding fuzzing for Transforms"
This reverts commit 4a29008c7e.
Revert "Add fuzzers for various emission paths"
This reverts commit 39545b7e7c.
Revert "Create common utility class for fuzzing"
This reverts commit 766e31d507.
Change-Id: Ia4e4ea2a4a5f423ea5bfa8ca9659c4028b558b45
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/37180
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Fuzz all transforms being applied together, and fuzz each transform
separately.
BUG=tint:436
Change-Id: I53cf2e05c69f495f27bfa428f55ec033a85a612a
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/36945
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: David Neto <dneto@google.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
BUG=tint:58,tint:59,tint:194,tint:195
Change-Id: Ibca5efbcd608489dcb7c6c45a5fcf596b97165dc
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/36901
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
This moves the usage of Tint in the fuzzers into a single class. This
will be expanded in the future to support emitting shaders, so fuzzing
tests, just need to indicate which reader & writer they want to use,
instead of having each test implement all of the API usage logic
directly.
BUG=tint:199
Change-Id: Id081a374014b7640a07b267e544ddeba3e6329dd
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/36760
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Demangle the printed AST before comparing.
Many to_str() methods on AST nodes will print the symbol numerical identifiers, which is not guaranteed to be stable between clones.
By comparing the demangled AST, these should be stable.
Fixed: chromium:1160099
Change-Id: I4e62adbccc690a1531f78dc70cef8480ed6f3f2c
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/36621
Commit-Queue: Ben Clayton <bclayton@google.com>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Auto-Submit: Ben Clayton <bclayton@google.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
This CL removes all internal usage of the Context object. It is still
accepted as a parameter until we update Dawn, but all usage is removed.
The namer has been removed from the SPIR-V backend with this change and
the emitted names reverted to their non-modified version.
Change-Id: Ie6c550fab1807b558182cd7188ab6450a627f154
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/34740
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Auto-Submit: dan sinclair <dsinclair@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Deep-clones all `Node`s and `Type`s into a new module.
Instead of writing a million standalone tests that'll only ever test the
existing fields of each type, I've opted to write the tests using
wgsl<->ast<->wgsl conversion. This means the tests require the enabling
of TINT_BUILD_WGSL_READER and TINT_BUILD_WGSL_WRITER, but I believe this
is much easier to maintain.
I'm aware there are probably gaps in the tests, and that even full
coverage is likely to rapidly rot, so I've also added
fuzzers/tint_ast_clone_fuzzer.cc - a fuzzer based test that ensures that
all AST modules can be cloned with identical reproduction.
I've run this across 100 cores of a 3990x for 4 hours, fixing the
single issue it detected.
Note: Expressions do not currently clone their `TypeManager` determined
types. This is for two reasons:
(a) This initial CL is mahoosive enough.
(b) I'm uncertain whether we actually want to clone this info, or to
re-run the `TypeDeterminer` after each AST transform. Maybe it should
be optional. Time will tell.
Fixed: tint:307
Change-Id: Id90fab06aaa740c805d12b66f3f11d1f452c6805
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/33300
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Reviewed-by: David Neto <dneto@google.com>
Without this the fuzzing is unguided and takes exponentially more time to find interesting corpus cases.
Change-Id: I1b66de153bc41a829a5276a02a729f4e6bb50ef0
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/33722
Reviewed-by: David Neto <dneto@google.com>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Auto-Submit: Ben Clayton <bclayton@google.com>
Helps speed up fuzzing
Change-Id: I19c0476fbb1b6fd497716e2537093c27c69e3007
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/33721
Auto-Submit: Ben Clayton <bclayton@google.com>
Commit-Queue: David Neto <dneto@google.com>
Reviewed-by: David Neto <dneto@google.com>
This is the first step in improving the error messages produced while parsing.
The `line` and `column` information of `Source` has been moved to `Source::Location`.
`Source::Range` has been added that contains a `Location` interval - allowing error messages to highlight the full region of the error.
The `File` information provides an optional file path, and pre-splits the content into lines. These lines can be used to print the full line containing an error.
This CL contains a few temporary changes that help split up this work, and to ease integration with Tint.
Bug: tint:282
Change-Id: I7aa501b0a9631f286e8e93fd7396bdbe38175727
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/31420
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: David Neto <dneto@google.com>
Also clean up the mess I made of the build rules, so they actually work.
BUG=tint:57
Change-Id: I9c92d043a7be8f51ed7885a29eb153f078cc66d9
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/26125
Reviewed-by: dan sinclair <dsinclair@chromium.org>
This is in anticipation of future fuzzer implementations.
BUG=tint:56
Change-Id: I73492c135bed7d5bee9c114ec336a837b4f447ac
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20243
Reviewed-by: David Neto <dneto@google.com>
Ryan Harrison
Ben Clayton
Corentin Wallez
Antonio Maiorano
James Price
Corentin Wallez
Vasyl Teliman
dan sinclair