| Commit message (Collapse) | Author | Age | Files | Lines |
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The new wat parser currently considers itself to be at the end of the file
whenever it cannot lex another token. This is not quite right, but fixing it
causes parser errors because of the extra null character we were appending to
files when we read them. This null character is not useful since we can already
read files as `std::string`, which always has an implicit null character, so
remove it. Clean up some users of `read_file` while we're at it.
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This PR changes how file paths and the command line are handled. On startup on Windows,
we process the wstring version of the command line (including the file paths) and re-encode
it to UTF8 before handing it off to the rest of the command line handling logic. This means
that all paths are stored in UTF8-encoded std::strings as they go through the program, right
up until they are used to open files. At that time, they are converted to the appropriate native
format with the new to_path function before passing to the stdlib open functions.
This has the advantage that all of the non-file-opening code can use a single type to hold paths
(which is good since std::filesystem::path has proved problematic in some cases), but has the
disadvantage that someone could add new code that forgets to convert to_path before
opening. That's somewhat mitigated by the fact that most of the code uses the ModuleIOBase
classes for opening files.
Fixes #4995
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This patch makes binaryen easier to call from other applications by making more errors recoverable instead of early-exiting.
The main thing it does is change three calls to exit on I/O errors into calls to Fatal(), which is an existing custom abstraction for handling unrecoverable errors. Currently Fatal's destructor calls _Exit(1).
My intent is to make it possible for Fatal to not exit, but to throw, allowing an embedding application to catch the exception.
Because the previous early exits were exiting with error code EXIT_FAILURE, I also changed Fatal to exit with EXIT_FAILURE. The test suite continues to pass so I assume this is ok.
Next I changed Fatal to buffer its error message until the destructor instead of immediately printing it to stderr. This is for ease of patching Fatal to throw instead.
Finally, I also included the patch I need to make Fatal throw when THROW_ON_FATAL is defined at compile time. I can carry this patch out of tree, but it is a small patch, so perhaps you will be willing to take it. I am happy to remove it.
Fixes #4938
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We already supported `-` as meaning stdout for output and this is useful in
similar situations. Fixes #4105.
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wasm-as supports --symbolmap=FOO as an argument. We got a request to
support the same in wasm-opt. wasm-opt does have --print-function-map which
does the same, but as a pass. To unify them, use the new pass arg sugar from
#3882 which allows us to add a --symbolmap pass whose argument can be
set as --symbolmap=FOO. That perfectly matches the wasm-as notation.
For now, keep the old --print-function-map notation as well, to not break
emscripten. After we remove it there we can remove it here.
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This means that debugging/tracing can now be enabled and controlled
centrally without managing and passing state around the codebase.
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See emscripten-core/emscripten#9206, the asyncify names can need complex escaping, so this provides an escape hatch.
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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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This allows us to emit a (potentially modified) target features
section and conditionally emit other sections such as the DataCount
section based on the presence of features.
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This is necessary to write tests that don't require temporary files,
such as in #1948, and is generally useful.
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The & on the type is the proper convention.
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Reduce an interesting wasm to a smaller still interesting wasm. This takes an arbitrary command to run, and reduces the wasm as much as it can while keeping the behavior of that command fixed. This can be used to reduce compiler bugs in an arbitrary VM, etc.
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(#1088)
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Adds support for aliases to objects, to go along with the existing support for aliases to functions.
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trouble with some new C++11 constructs. (#581)
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Changed type of flags (line 26) in read_file() from auto to std::ios_base::openmode to fix Visual Studio 2015 error.
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building a 32-bit executable and size_t is not 64-bit.
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