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Move expand infinite recursion fix #799

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merged 1 commit into from
Nov 14, 2022
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The original fix was supposed to avoid infinitely expanding the macros when cbindgen was generated in build.rs with the parse.expand option.

However, it was not completely fixing the issue: a call to parse_lib which triggers the infinite recursion occurs before the old check was actually done (in the parent generate method).

Here, the check is simply done earlier to completely avoid the infinite loop.

I believe this fix would resolve #758.

@rmalmain rmalmain changed the title Moved expand infinite recursion fix Move expand infinite recursion fix Nov 13, 2022
@emilio emilio merged commit b6e7301 into mozilla:master Nov 14, 2022
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kczimm commented Nov 15, 2022

Is there any consideration for having this PR initiate a new 0.24.4 release?

zshipko pushed a commit to extism/extism that referenced this pull request Aug 29, 2023
Updates the requirements on
[cbindgen](https://github.com/eqrion/cbindgen) to permit the latest
version.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/mozilla/cbindgen/blob/master/CHANGES">cbindgen's
changelog</a>.</em></p>
<blockquote>
<h2>0.25.0</h2>
<pre><code>  * Re-release of yanked 0.24.6 as a major release
  * Update MSRV to 1.57
* Support variadic arguments (`...`)
([#805](mozilla/cbindgen#805))
* Add --depfile option
([#820](mozilla/cbindgen#820))
  * Breaking changes: The `Config` struct now has a private member.
</code></pre>
<h2>0.24.6 (YANKED: depfile option was breaking, see <a
href="https://redirect.github.com/eqrion/cbindgen/issues/841">#841</a>)</h2>
<pre><code>  * Update MSRV to 1.57
* Support variadic arguments (`...`)
([#805](mozilla/cbindgen#805))
* Add --depfile option
([#820](mozilla/cbindgen#820))
</code></pre>
<h2>0.24.5</h2>
<pre><code>  * Don't enforce tempfile version.
</code></pre>
<h2>0.24.4</h2>
<pre><code> * Move expand infinite recursion fix
([#799](mozilla/cbindgen#799))
* Add with_cpp_compat to the builder
([#796](mozilla/cbindgen#796))
* Handle never type in return position consistently
([#780](mozilla/cbindgen#780))
* Fix warnings ([#816](mozilla/cbindgen#816),
[#819](mozilla/cbindgen#819))
* Updated documentation
([#788](mozilla/cbindgen#788),
[#791](mozilla/cbindgen#791),
[#792](mozilla/cbindgen#792),
[#810](mozilla/cbindgen#810),
[#823](mozilla/cbindgen#823))
</code></pre>
<h2>0.24.3</h2>
<pre><code> * Make struct expressions correctly generated through
typedefs ([#768](mozilla/cbindgen#768)).
</code></pre>
<h2>0.24.2</h2>
<pre><code>  * Make bitfield operators use explicit constructors.
</code></pre>
<h2>0.24.1</h2>
<pre><code> * Add support for unary negation
([#765](mozilla/cbindgen#765)).
* Make more bitfield operators constexpr
([#765](mozilla/cbindgen#765)).
</code></pre>
<h2>0.24.0</h2>
<pre><code> * Basic const generic support
([#759](mozilla/cbindgen#759),
[#760](mozilla/cbindgen#760)
[#762](mozilla/cbindgen#762)).
* Suffixes on integer literals are now honored to avoid narrowing
([#764](mozilla/cbindgen#764)).
</code></pre>
<h2>0.23.0</h2>
<pre><code> * Better support for constexpr.
([#756](mozilla/cbindgen#756))
* constexpr is now enabled by default in C++ mode. You can use
const.allow_constexpr=false to revert to previous behavior.
([#756](mozilla/cbindgen#756))
* Minimum syn version no longer parses old rust code.
([#754](mozilla/cbindgen#754))
</code></pre>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/mozilla/cbindgen/commit/dd9a550152cd162a3aa01757a55dd22fc56d0d8a"><code>dd9a550</code></a>
Fix minimal Rust version in CI</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/0529d215e7a1b2ad94ca166c1b26ad96f10e4a1c"><code>0529d21</code></a>
Revert &quot;Upgrade clap 3 to clap 4&quot;</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/289a31ba45c28a6d8d5eb681f7e1c83a23cdb673"><code>289a31b</code></a>
Fix clippy warning</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/67fea1a1a2e77464f96f184b298aed848ac38d53"><code>67fea1a</code></a>
Fix CI</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/80526e72f9109d45da10625e790791fc3a5cc18a"><code>80526e7</code></a>
Update changelog for v0.25.0</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/1e2ffd4414e1124f526a19ccb3b627c0e3694f53"><code>1e2ffd4</code></a>
CI: Replace forbidden actions with cli code</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/f61946b9798982c4c27da9fd5917824db2093095"><code>f61946b</code></a>
CI: Add semver checks to CI deploy job</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/b61aa2c330b3d4fe3bbe4fa71d9bc7104b7c94f7"><code>b61aa2c</code></a>
msrv 1.64</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/b734008c71f31a125797e799f420e1ad32f6b2f9"><code>b734008</code></a>
Upgrade clap 3 to clap 4</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/667de09279c3d5f0524216fefa949e64cbd3bc1a"><code>667de09</code></a>
Add: Add rust-toolchain.toml</li>
<li>Additional commits viewable in <a
href="https://github.com/eqrion/cbindgen/compare/v0.24.0...v0.25.0">compare
view</a></li>
</ul>
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bhelx pushed a commit to extism/extism that referenced this pull request Sep 20, 2023
Updates the requirements on
[cbindgen](https://github.com/mozilla/cbindgen) to permit the latest
version.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/mozilla/cbindgen/releases">cbindgen's
releases</a>.</em></p>
<blockquote>
<h2>0.26.0</h2>
<ul>
<li>Fix swapping of <code>&gt;&gt;=</code> and <code>&lt;&lt;=</code> in
constants.</li>
<li>Add support for #[deprecated] (<a
href="https://redirect.github.com/mozilla/cbindgen/issues/860">#860</a>).</li>
<li>Built-in support for bitflags 2.0.</li>
<li>Support for &quot;C-unwind&quot; ABI.</li>
<li>Generate bindings for non-public extern items if they are
#[no_mangle].</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/mozilla/cbindgen/blob/master/CHANGES">cbindgen's
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<blockquote>
<h1>0.26.0</h1>
<pre><code>  * Fix swapping of `&gt;&gt;=` and `&lt;&lt;=` in constants.
* Add support for #[deprecated]
([#860](mozilla/cbindgen#860)).
  * Built-in support for bitflags 2.0.
  * Support for &quot;C-unwind&quot; ABI.
* Generate bindings for non-public extern items if they are
#[no_mangle].
</code></pre>
<h2>0.25.0</h2>
<pre><code>  * Re-release of yanked 0.24.6 as a major release
  * Update MSRV to 1.57
* Support variadic arguments (`...`)
([#805](mozilla/cbindgen#805))
* Add --depfile option
([#820](mozilla/cbindgen#820))
  * Breaking changes: The `Config` struct now has a private member.
</code></pre>
<h2>0.24.6 (YANKED: depfile option was breaking, see <a
href="https://redirect.github.com/mozilla/cbindgen/issues/841">#841</a>)</h2>
<pre><code>  * Update MSRV to 1.57
* Support variadic arguments (`...`)
([#805](mozilla/cbindgen#805))
* Add --depfile option
([#820](mozilla/cbindgen#820))
</code></pre>
<h2>0.24.5</h2>
<pre><code>  * Don't enforce tempfile version.
</code></pre>
<h2>0.24.4</h2>
<pre><code> * Move expand infinite recursion fix
([#799](mozilla/cbindgen#799))
* Add with_cpp_compat to the builder
([#796](mozilla/cbindgen#796))
* Handle never type in return position consistently
([#780](mozilla/cbindgen#780))
* Fix warnings ([#816](mozilla/cbindgen#816),
[#819](mozilla/cbindgen#819))
* Updated documentation
([#788](mozilla/cbindgen#788),
[#791](mozilla/cbindgen#791),
[#792](mozilla/cbindgen#792),
[#810](mozilla/cbindgen#810),
[#823](mozilla/cbindgen#823))
</code></pre>
<h2>0.24.3</h2>
<pre><code> * Make struct expressions correctly generated through
typedefs ([#768](mozilla/cbindgen#768)).
</code></pre>
<h2>0.24.2</h2>
<pre><code>  * Make bitfield operators use explicit constructors.
</code></pre>
<h2>0.24.1</h2>
<pre><code> * Add support for unary negation
([#765](mozilla/cbindgen#765)).
* Make more bitfield operators constexpr
([#765](mozilla/cbindgen#765)).
</code></pre>
<h2>0.24.0</h2>
<pre><code> * Basic const generic support
([#759](mozilla/cbindgen#759),
[#760](mozilla/cbindgen#760)
[#762](mozilla/cbindgen#762)).
</code></pre>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/mozilla/cbindgen/commit/703b53c06f9fe2dbc0193d67626558cfa84a0f62"><code>703b53c</code></a>
v0.26.0</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/56f0febc9b5cc7ee957912d55b1fdee67f34d766"><code>56f0feb</code></a>
Update MSRV in Readme</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/9b4a14958ea6ce2a61accb9cdbad84cfca9c3013"><code>9b4a149</code></a>
Add support for out-of-line bitfields declarations</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/35f2e44ef2792d1c2e9e97f8ccf4458b79ae88f2"><code>35f2e44</code></a>
Update URLs</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/85eb0f4436e90d479f5d041b98f160ce2e66eeea"><code>85eb0f4</code></a>
Bump clippy msrv to 1.64</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/43af1ebe6e4d2bb9ec90167616a3d88bf34c7c0b"><code>43af1eb</code></a>
Handle bitflags bits method calls</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/f72e44715697981b9317b7f0688216990e60346d"><code>f72e447</code></a>
CHANGES: Note #[deprecated] support.</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/14730702306533c2805c9dd4a6846e762a4bbcca"><code>1473070</code></a>
utilities: annotation: Clean-up deprecated parsing and getter.</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/0fb5d07ae4ede7d3fcf91c47bcfa29090ce0a8b9"><code>0fb5d07</code></a>
Add support for #[deprecated].</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/d8355da4664f68d399631f2f215cbf991c121d2f"><code>d8355da</code></a>
Support &quot;C-unwind&quot; ABI</li>
<li>Additional commits viewable in <a
href="https://github.com/mozilla/cbindgen/compare/v0.25.0...0.26.0">compare
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mhallin added a commit to mhallin/cbindgen that referenced this pull request May 25, 2024
v0.24.4

      * Move expand infinite recursion fix (mozilla#799)
      * Add with_cpp_compat to the builder (mozilla#796)
      * Handle never type in return position consistently (mozilla#780)
      * Fix warnings (mozilla#816, mozilla#819)
      * Updated documentation (mozilla#788, mozilla#791, mozilla#792, mozilla#810, mozilla#823)

# Conflicts:
#	src/bindgen/cdecl.rs
#	src/bindgen/ir/function.rs
#	src/main.rs
zshipko pushed a commit to extism/extism that referenced this pull request Aug 22, 2024
Updates the requirements on
[cbindgen](https://github.com/mozilla/cbindgen) to permit the latest
version.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/mozilla/cbindgen/blob/master/CHANGES">cbindgen's
changelog</a>.</em></p>
<blockquote>
<h1>0.27.0</h1>
<pre><code>  * Revert: The `Config` struct now has a private member.
* Allow users to specify a crate version for bindings generation
([#901](mozilla/cbindgen#901)).
* Update MSRV to 1.74
([#912](mozilla/cbindgen#912),
[#987](mozilla/cbindgen#987)).
* Support #[deprecated] on enum variants
([#933](mozilla/cbindgen#933)).
* Support integrating the package_version information in a header file
comment ([#939](mozilla/cbindgen#939)).
* Add a language backend
([#942](mozilla/cbindgen#942)).
* Support generics with defaulted args
([#959](mozilla/cbindgen#959)).
* Add `VaList` compatibility
([#970](mozilla/cbindgen#970)).
</code></pre>
<h1>0.26.0</h1>
<pre><code>  * Fix swapping of `&gt;&gt;=` and `&lt;&lt;=` in constants.
* Add support for #[deprecated]
([#860](mozilla/cbindgen#860)).
  * Built-in support for bitflags 2.0.
  * Support for &quot;C-unwind&quot; ABI.
* Generate bindings for non-public extern items if they are
#[no_mangle].
</code></pre>
<h2>0.25.0</h2>
<pre><code>  * Re-release of yanked 0.24.6 as a major release
  * Update MSRV to 1.57
* Support variadic arguments (`...`)
([#805](mozilla/cbindgen#805))
* Add --depfile option
([#820](mozilla/cbindgen#820))
  * Breaking changes: The `Config` struct now has a private member.
</code></pre>
<h2>0.24.6 (YANKED: depfile option was breaking, see <a
href="https://redirect.github.com/mozilla/cbindgen/issues/841">#841</a>)</h2>
<pre><code>  * Update MSRV to 1.57
* Support variadic arguments (`...`)
([#805](mozilla/cbindgen#805))
* Add --depfile option
([#820](mozilla/cbindgen#820))
</code></pre>
<h2>0.24.5</h2>
<pre><code>  * Don't enforce tempfile version.
</code></pre>
<h2>0.24.4</h2>
<pre><code> * Move expand infinite recursion fix
([#799](mozilla/cbindgen#799))
* Add with_cpp_compat to the builder
([#796](mozilla/cbindgen#796))
* Handle never type in return position consistently
([#780](mozilla/cbindgen#780))
* Fix warnings ([#816](mozilla/cbindgen#816),
[#819](mozilla/cbindgen#819))
* Updated documentation
([#788](mozilla/cbindgen#788),
[#791](mozilla/cbindgen#791),
[#792](mozilla/cbindgen#792),
[#810](mozilla/cbindgen#810),
[#823](mozilla/cbindgen#823))
</code></pre>
<h2>0.24.3</h2>
<pre><code> * Make struct expressions correctly generated through
typedefs ([#768](mozilla/cbindgen#768)).
</code></pre>
<h2>0.24.2</h2>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/mozilla/cbindgen/commit/58c6156b0d91e82abb03c26187b8d18fa4345ce0"><code>58c6156</code></a>
Bump MSRV again for clap.</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/103a8de0ac1ac311d54843acdfc10ee8c203a3ba"><code>103a8de</code></a>
Cargo update and version bump.</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/67cb560430cf91fecdd402cd1239d0a51baff634"><code>67cb560</code></a>
Update CHANGES since v0.26.0</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/316298182ebf508240c95ddf9943556b2fb546e1"><code>3162981</code></a>
Output condition for globals.</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/e469e44c0027f4ca039a4556f6062c0ba343a5b4"><code>e469e44</code></a>
Add missing parens to log message</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/3cbb637bbf16c7378ce4d6cb4b73e5d2d2bd33fa"><code>3cbb637</code></a>
Update cython expectations from the previous patch.</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/785e066e03b0e22a32c31e9adab78a18f6ce195b"><code>785e066</code></a>
Fix variadic arguments when used in function pointer</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/aa8ea654e156fd1b8e5b1b755c7b43fe4ea81331"><code>aa8ea65</code></a>
deps: Update syn to 2.0</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/9f632843b8b9dacbdc7a153868a4a9546e196e2e"><code>9f63284</code></a>
Generalize Item to expose documentation and generic params</li>
<li><a
href="https://github.com/mozilla/cbindgen/commit/1dda6162e53df57cb1769e9a6f942f6de839f50b"><code>1dda616</code></a>
Used documented method of specifying variadic arguments</li>
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Having problems expanding macros with build.rs
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