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Most of it goes in a new parsing.cpp. One method was only used in
the s-expression's parser, and has been moved there.
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1. Ignore the fake delegate target in the unique name mapper. The mapper
is run after inlining, so this fixes inlining into a function that has a delegate
to the caller.
2. Do not inline a function with a delegate. We should support this eventually,
but for now I think this is good enough.
After this Inlining should be safe to run on exceptions code.
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The old code here just referred to Block and Loop. Refactor it to use the
generic helper code that also handles Try.
Also add validation of Try names in the validator.
The testcase here would have $label appear twice before this fix. After
the fix there is $label0 for one of them.
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This removes `exnref` type and `br_on_exn` instruction.
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This is not 100% of everything, but is enough to get tests passing, which
includes full binary and text format support, getting all switches to compile
without error, and some additions to InstrumentLocals.
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This avoids needing to add include wasm-printing if a file doesn't already have it.
To achieve that, add the std::ostream hooks in wasm.h, and also use them
when possible, removing the need for the special WasmPrinter object.
Also stop printing in "full" (print types on each line) in error messages by default. The
user can still get that, as always, using BINARYEN_PRINT_FULL=1 in the env.
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Specifically try to cleanup use of asm_v_wasm.h and asmjs constants.
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Adds the `eqref` and `i31ref` types to their respective code locations. Implements what can be implemented trivially and otherwise traps with a TODO for now. Integration of `eqref` is mostly complete due to it being nullable, just like `anyref`, but `i31ref` needs to remain disabled in the fuzzer because we are lacking the functionality to create trivial `i31ref` values, i.e. `(i31.new (i32.const 0))`, which is left for follow-ups to implement.
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Adds `anyref` type, which is enabled by a new feature `--enable-anyref`. This type is primarily used for testing that passes correctly handle subtype relationships so that the codebase will continue to be prepared for future subtyping. Since `--enable-anyref` is meaningless without also using `--enable-reference-types`, this PR also makes it a validation error to pass only the former (and similarly makes it a validation error to enable exception handling without enabling reference types).
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Align with the current state of the reference types proposal:
* Remove `nullref`
* Remove `externref` and `funcref` subtyping
* A `Literal` of a nullable reference type can now represent `null` (previously was type `nullref`)
* Update the tests and temporarily comment out those tests relying on subtyping
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As a follow-up to https://github.com/WebAssembly/binaryen/pull/3012#pullrequestreview-459686171 this PR prepares for the new compound Signature, Struct and Array types that are single but not basic.
This includes:
* Renames `Type::getSingle` to `Type::getBasic` (NFC). Previously, its name was not representing its implementation (`isSingle` excluded `none` and `unreachable` while `getSingle` didn't, i.e. `getSingle` really was `getBasic`). Note that a hypothetical `Type::getSingle` cannot return `ValueType` anyway (new compound types are single but don't map to `ValueType`), so I figured it's best to skip implementing it until we actually need it.
* Marks locations where we are (still) assuming that all single types are basic types, as suggested in https://github.com/WebAssembly/binaryen/pull/3012#discussion_r465356708, but using a macro, so we get useful errors once we start implementing the new types and can quickly traverse the affected locations.
The macro is added where
* there used to be a `switch (type.getSingle())` or similar that handled any basic type (NFC), but in the future will also have to handle single types that are not basic types.
* we are not dealing with `Unary`, `Binary`, `Load`, `Store` or `AtomicXY` instructions, since these don't deal with compound types anyway.
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anyref future semantics were changed to only represent opaque host values, and thus renamed to externref.
[Chromium](https://bugs.chromium.org/p/v8/issues/detail?id=7748#c360) was just updated to today (not yet released). I couldn't find a Mozilla bugzilla ticket mentioning externref so I don't immediately know if they've updated yet.
https://github.com/WebAssembly/reference-types/pull/87
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This adds support for UniqueNameMapper, and adds a test in Inlining
pass, which uses UniqueNameMapper.
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* Remove implicit conversion operators from Type
Now types must be explicitly converted to uint32_t with Type::getID or
to ValueType with Type::getVT. This fixes #2572 for switches that use
Type::getVT.
* getVT => getSingle
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This adds support for the reference type proposal. This includes support
for all reference types (`anyref`, `funcref`(=`anyfunc`), and `nullref`)
and four new instructions: `ref.null`, `ref.is_null`, `ref.func`, and
new typed `select`. This also adds subtype relationship support between
reference types.
This does not include table instructions yet. This also does not include
wasm2js support.
Fixes #2444 and fixes #2447.
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This works more like llvm's unreachable handler in that is preserves
information even in release builds.
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Adds the ability to create multivalue types from vectors of concrete value
types. All types are transparently interned, so their representation is still a
single uint32_t. Types can be extracted into vectors of their component parts,
and all the single value types expand into vectors containing themselves.
Multivalue types are not yet used in the IR, but their creation and inspection
functionality is exposed and tested in the C and JS APIs.
Also makes common type predicates methods of Type and improves the ergonomics of
type printing.
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Another round of trying to push upstream things from my fork.
This PR only adds support for anyref itself as an opaque type. It does NOT implement the full [reference types proposal](https://github.com/WebAssembly/reference-types/blob/master/proposals/reference-types/Overview.md)--so no table.get/set/grow/etc or ref.null, ref.func, etc.
Figured it was easier to review and merge as we go, especially if I did something fundamentally wrong.
***
I did put it under the `--enable-reference-types` flag as I imagine that even though this PR doesn't complete the full feature set, it probably is the right home. Lmk if not.
I'll also be adding a few github comments to places I want to point out/question.
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In WebAssembly/exception-handling#79 we agreed to rename `except_ref`
type to `exnref`.
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This adds except_ref type, which is a part of the exception handling
proposal.
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Applies the changes in #2065, and temprarily disables the hook since it's too slow to run on a change this large. We should re-enable it in a later commit.
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Mass change to apply clang-format to everything. We are applying this in a PR by me so the (git) blame is all mine ;) but @aheejin did all the work to get clang-format set up and all the manual work to tidy up some things to make the output nicer in #2048
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With this we can write stuff like:
const wasm::Expression* p;
const wasm::Binary* q = p->cast<wasm::Binary>();
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Where reasonable from a readability perspective, remove default cases
in switches over types and instructions. This makes future feature
additions easier by making the compiler complain about each location
where new types and instructions are not yet handled.
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* - Throw ParseException when istringstream failed to read a number.
- Modify now invalid tests.
* Add invalid_number.wast test
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Stuff like x + 5 != 2 => x != -3.
Also some cleanups of utility functions I noticed while writing this, isTypeFloat => isFloatType.
Inspired by
https://github.com/golang/go/blob/master/src/cmd/compile/internal/ssa/gen/generic.rules
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* rename WasmType to Type. it's in the wasm:: namespace anyhow, and without Wasm- it fits in better alongside Index, Address, Expression, Module, etc.
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(#1017)
* Extends wasm-as, wasm-dis and s2wasm to consume debug locations.
* Exports source map from asm2wasm
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* Move WasmType function implementations to wasm.cpp
* Move Literal methods to wasm.cpp
* Reorder wasm.cpp shared constants back to top
* Move expression functions to wasm.cpp
* Finish moving things to wasm.cpp
* Split out Literal into its own .h/.cpp. Also factor out common wasm-type module
* Remove unneeded/transitive includes from wasm.h
* Add comment to try/check methods
* Rename tryX/checkX methods to getXOrNull
* Add missing include that should fix appveyor build breakage
* More appveyor
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Instead of doing all of the S2Wasm work in the constructor, split
construction, scanning (to determine implemented functions) and building
of the wasm module.
This allows the linker to get the symbol information (e.g. implemented
functions) without having to build an entire module (which will be
useful for archives) and to allow the linker to link a new object into
the existing one by building the wasm module in place on the existing
module.
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Fixes #299
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This applies Apache 2.0 properly (as far as our lawyers have told me). We can do this early since all of the code was written by Alon Zakai.
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