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c4dcaee1b9
This commit starts to add infrastructure for targeted diagnostics in the `#[wasm_bindgen]` attribute, intended eventually at providing much better errors as they'll be pointing to exactly the code in question rather than always to a `#[wasm_bindgen]` attribute. The general changes are are: * A new `Diagnostic` error type is added to the backend. A `Diagnostic` is created with a textual error or with a span, and it can also be created from a list of diagnostics. A `Diagnostic` implements `ToTokens` which emits a bunch of invocations of `compile_error!` that will cause rustc to later generate errors. * Fallible implementations of `ToTokens` have switched to using a new trait, `TryToTokens`, which returns a `Result` to use `?` with. * The `MacroParse` trait has changed to returning a `Result` to propagate errors upwards. * A new `ui-tests` crate was added which uses `compiletest_rs` to add UI tests. These UI tests will verify that our output improves over time and does not regress. This test suite is added to CI as a new builder as well. * No `Diagnostic` instances are created just yet, everything continues to panic and return `Ok`, with the one exception of the top-level invocations of `syn::parse` which now create a `Diagnostic` and pass it along. This commit does not immediately improve diagnostics but the intention is that it is laying the groundwork for improving diagnostics over time. It should ideally be much easier to contribute improved diagnostics after this commit! cc #601
24 lines
972 B
Bash
Executable File
24 lines
972 B
Bash
Executable File
#!/bin/bash
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#
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# Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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# file at the top-level directory of this distribution and at
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# http://rust-lang.org/COPYRIGHT.
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#
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# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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# option. This file may not be copied, modified, or distributed
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# except according to those terms.
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# A script to update the references for all tests. The idea is that
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# you do a run, which will generate files in the build directory
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# containing the (normalized) actual output of the compiler. You then
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# run this script, which will copy those files over. If you find
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# yourself manually editing a foo.stderr file, you're doing it wrong.
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#
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# See all `update-references.sh`, if you just want to update a single test.
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MY_DIR=$(dirname $0)
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cd $MY_DIR
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find . -name '*.rs' | xargs ./update-references.sh
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