Adding upstream version 1:7.0.3.upstream/1%7.0.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 654 insertions, 0 deletions

diff --git a/rust/vendor/proc-macro-crate/.cargo-checksum.json b/rust/vendor/proc-macro-crate/.cargo-checksum.json
new file mode 100644
index 0000000..c9e75f0
--- /dev/null
+++ b/rust/vendor/proc-macro-crate/.cargo-checksum.json
@@ -0,0 +1 @@
+{"files":{"Cargo.toml":"31bbd9fe7e0ebb23445ac4ae0afc0ee7536dee282f5bdb2595c6d7aa14af0b05","LICENSE-APACHE":"8ada45cd9f843acf64e4722ae262c622a2b3b3007c7310ef36ac1061a30f6adb","LICENSE-MIT":"23f18e03dc49df91622fe2a76176497404e46ced8a715d9d2b67a7446571cca3","README.md":"c39729d01487de048ba0cb776a809460b3b119ed933a34f0c3889223efdb451f","src/lib.rs":"def7641a7a8f18df9c83785930aed4812500494fe8dff09a3709b7a7d1c32e43"},"package":"1ebace6889caf889b4d3f76becee12e90353f2b8c7d875534a71e5742f8f6f83"}
\ No newline at end of file
diff --git a/rust/vendor/proc-macro-crate/Cargo.toml b/rust/vendor/proc-macro-crate/Cargo.toml
new file mode 100644
index 0000000..03f0bfe
--- /dev/null
+++ b/rust/vendor/proc-macro-crate/Cargo.toml
@@ -0,0 +1,36 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies.
+#
+# If you are reading this file be aware that the original Cargo.toml
+# will likely look very different (and much more reasonable).
+# See Cargo.toml.orig for the original contents.
+
+[package]
+edition = "2018"
+name = "proc-macro-crate"
+version = "1.1.0"
+authors = ["Bastian Köcher <git@kchr.de>"]
+description = "Replacement for crate (macro_rules keyword) in proc-macros\n"
+documentation = "https://docs.rs/proc-macro-crate"
+readme = "./README.md"
+keywords = ["macro-rules", "crate", "macro", "proc-macro"]
+categories = ["development-tools::procedural-macro-helpers"]
+license = "Apache-2.0/MIT"
+repository = "https://github.com/bkchr/proc-macro-crate"
+[dependencies.thiserror]
+version = "1.0.24"
+
+[dependencies.toml]
+version = "0.5.2"
+[dev-dependencies.proc-macro2]
+version = "1.0.18"
+
+[dev-dependencies.quote]
+version = "1.0.7"
+
+[dev-dependencies.syn]
+version = "1.0.33"
diff --git a/rust/vendor/proc-macro-crate/LICENSE-APACHE b/rust/vendor/proc-macro-crate/LICENSE-APACHE
new file mode 100644
index 0000000..c98d27d
--- /dev/null
+++ b/rust/vendor/proc-macro-crate/LICENSE-APACHE
@@ -0,0 +1,201 @@
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diff --git a/rust/vendor/proc-macro-crate/LICENSE-MIT b/rust/vendor/proc-macro-crate/LICENSE-MIT
new file mode 100644
index 0000000..31aa793
--- /dev/null
+++ b/rust/vendor/proc-macro-crate/LICENSE-MIT
@@ -0,0 +1,23 @@
+Permission is hereby granted, free of charge, to any
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+publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software
+is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice
+shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
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+TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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+DEALINGS IN THE SOFTWARE.
diff --git a/rust/vendor/proc-macro-crate/README.md b/rust/vendor/proc-macro-crate/README.md
new file mode 100644
index 0000000..bfda755
--- /dev/null
+++ b/rust/vendor/proc-macro-crate/README.md
@@ -0,0 +1,58 @@
+# proc-macro-crate
+
+
+[![](https://docs.rs/proc-macro-crate/badge.svg)](https://docs.rs/proc-macro-crate/) [![](https://img.shields.io/crates/v/proc-macro-crate.svg)](https://crates.io/crates/proc-macro-crate) [![](https://img.shields.io/crates/d/proc-macro-crate.png)](https://crates.io/crates/proc-macro-crate) [![Build Status](https://travis-ci.org/bkchr/proc-macro-crate.png?branch=master)](https://travis-ci.org/bkchr/proc-macro-crate)
+
+Providing support for `$crate` in procedural macros.
+
+* [Introduction](#introduction)
+* [Example](#example)
+* [License](#license)
+
+### Introduction
+
+In `macro_rules!` `$crate` is used to get the path of the crate where a macro is declared in. In
+procedural macros there is currently no easy way to get this path. A common hack is to import the
+desired crate with a know name and use this. However, with rust edition 2018 and dropping
+`extern crate` declarations from `lib.rs`, people start to rename crates in `Cargo.toml` directly.
+However, this breaks importing the crate, as the proc-macro developer does not know the renamed
+name of the crate that should be imported.
+
+This crate provides a way to get the name of a crate, even if it renamed in `Cargo.toml`. For this
+purpose a single function `crate_name` is provided. This function needs to be called in the context
+of a proc-macro with the name of the desired crate. `CARGO_MANIFEST_DIR` will be used to find the
+current active `Cargo.toml` and this `Cargo.toml` is searched for the desired crate.
+
+### Example
+
+```rust
+use quote::quote;
+use syn::Ident;
+use proc_macro2::Span;
+use proc_macro_crate::{crate_name, FoundCrate};
+
+fn import_my_crate() {
+    let found_crate = crate_name("my-crate").expect("my-crate is present in `Cargo.toml`");
+
+    match found_crate {
+        FoundCrate::Itself => quote!( crate::Something ),
+        FoundCrate::Name(name) => {
+            let ident = Ident::new(&name, Span::call_site());
+            quote!( #ident::Something )
+        }
+    };
+}
+
+```
+
+### License
+
+Licensed under either of
+
+ * [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0)
+
+ * [MIT license](http://opensource.org/licenses/MIT)
+
+at your option.
+
+License: Apache-2.0/MIT
diff --git a/rust/vendor/proc-macro-crate/src/lib.rs b/rust/vendor/proc-macro-crate/src/lib.rs
new file mode 100644
index 0000000..09a2dd6
--- /dev/null
+++ b/rust/vendor/proc-macro-crate/src/lib.rs
@@ -0,0 +1,335 @@
+/*!
+
+[![](https://docs.rs/proc-macro-crate/badge.svg)](https://docs.rs/proc-macro-crate/) [![](https://img.shields.io/crates/v/proc-macro-crate.svg)](https://crates.io/crates/proc-macro-crate) [![](https://img.shields.io/crates/d/proc-macro-crate.png)](https://crates.io/crates/proc-macro-crate) [![Build Status](https://travis-ci.org/bkchr/proc-macro-crate.png?branch=master)](https://travis-ci.org/bkchr/proc-macro-crate)
+
+Providing support for `$crate` in procedural macros.
+
+* [Introduction](#introduction)
+* [Example](#example)
+* [License](#license)
+
+## Introduction
+
+In `macro_rules!` `$crate` is used to get the path of the crate where a macro is declared in. In
+procedural macros there is currently no easy way to get this path. A common hack is to import the
+desired crate with a know name and use this. However, with rust edition 2018 and dropping
+`extern crate` declarations from `lib.rs`, people start to rename crates in `Cargo.toml` directly.
+However, this breaks importing the crate, as the proc-macro developer does not know the renamed
+name of the crate that should be imported.
+
+This crate provides a way to get the name of a crate, even if it renamed in `Cargo.toml`. For this
+purpose a single function `crate_name` is provided. This function needs to be called in the context
+of a proc-macro with the name of the desired crate. `CARGO_MANIFEST_DIR` will be used to find the
+current active `Cargo.toml` and this `Cargo.toml` is searched for the desired crate.
+
+## Example
+
+```
+use quote::quote;
+use syn::Ident;
+use proc_macro2::Span;
+use proc_macro_crate::{crate_name, FoundCrate};
+
+fn import_my_crate() {
+    let found_crate = crate_name("my-crate").expect("my-crate is present in `Cargo.toml`");
+
+    match found_crate {
+        FoundCrate::Itself => quote!( crate::Something ),
+        FoundCrate::Name(name) => {
+            let ident = Ident::new(&name, Span::call_site());
+            quote!( #ident::Something )
+        }
+    };
+}
+
+# fn main() {}
+```
+
+## License
+
+Licensed under either of
+
+ * [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0)
+
+ * [MIT license](http://opensource.org/licenses/MIT)
+
+at your option.
+*/
+
+use std::{
+    collections::HashMap,
+    env,
+    fs::File,
+    io::{self, Read},
+    path::{Path, PathBuf},
+};
+
+use toml::{self, value::Table};
+
+type CargoToml = HashMap<String, toml::Value>;
+
+/// Error type used by this crate.
+#[derive(Debug, thiserror::Error)]
+pub enum Error {
+    #[error("Could not find `Cargo.toml` in manifest dir: `{0}`.")]
+    NotFound(PathBuf),
+    #[error("`CARGO_MANIFEST_DIR` env variable not set.")]
+    CargoManifestDirNotSet,
+    #[error("Could not read `{path}`.")]
+    CouldNotRead { path: PathBuf, source: io::Error },
+    #[error("Invalid toml file.")]
+    InvalidToml { source: toml::de::Error },
+    #[error("Could not find `{crate_name}` in `dependencies` or `dev-dependencies` in `{path}`!")]
+    CrateNotFound { crate_name: String, path: PathBuf },
+}
+
+/// The crate as found by [`crate_name`].
+#[derive(Debug, PartialEq, Clone, Eq)]
+pub enum FoundCrate {
+    /// The searched crate is this crate itself.
+    Itself,
+    /// The searched crate was found with this name.
+    Name(String),
+}
+
+/// Find the crate name for the given `orig_name` in the current `Cargo.toml`.
+///
+/// `orig_name` should be the original name of the searched crate.
+///
+/// The current `Cargo.toml` is determined by taking `CARGO_MANIFEST_DIR/Cargo.toml`.
+///
+/// # Returns
+///
+/// - `Ok(orig_name)` if the crate was found, but not renamed in the `Cargo.toml`.
+/// - `Ok(RENAMED)` if the crate was found, but is renamed in the `Cargo.toml`. `RENAMED` will be
+/// the renamed name.
+/// - `Err` if an error occurred.
+///
+/// The returned crate name is sanitized in such a way that it is a valid rust identifier. Thus,
+/// it is ready to be used in `extern crate` as identifier.
+pub fn crate_name(orig_name: &str) -> Result<FoundCrate, Error> {
+    let manifest_dir =
+        PathBuf::from(env::var("CARGO_MANIFEST_DIR").map_err(|_| Error::CargoManifestDirNotSet)?);
+
+    let cargo_toml_path = manifest_dir.join("Cargo.toml");
+
+    if !cargo_toml_path.exists() {
+        return Err(Error::NotFound(manifest_dir.into()));
+    }
+
+    let cargo_toml = open_cargo_toml(&cargo_toml_path)?;
+
+    extract_crate_name(orig_name, cargo_toml, &cargo_toml_path)
+}
+
+/// Make sure that the given crate name is a valid rust identifier.
+fn sanitize_crate_name<S: AsRef<str>>(name: S) -> String {
+    name.as_ref().replace("-", "_")
+}
+
+/// Open the given `Cargo.toml` and parse it into a hashmap.
+fn open_cargo_toml(path: &Path) -> Result<CargoToml, Error> {
+    let mut content = String::new();
+    File::open(path)
+        .map_err(|e| Error::CouldNotRead {
+            source: e,
+            path: path.into(),
+        })?
+        .read_to_string(&mut content)
+        .map_err(|e| Error::CouldNotRead {
+            source: e,
+            path: path.into(),
+        })?;
+    toml::from_str(&content).map_err(|e| Error::InvalidToml { source: e })
+}
+
+/// Extract the crate name for the given `orig_name` from the given `Cargo.toml` by checking the
+/// `dependencies` and `dev-dependencies`.
+///
+/// Returns `Ok(orig_name)` if the crate is not renamed in the `Cargo.toml` or otherwise
+/// the renamed identifier.
+fn extract_crate_name(
+    orig_name: &str,
+    mut cargo_toml: CargoToml,
+    cargo_toml_path: &Path,
+) -> Result<FoundCrate, Error> {
+    if let Some(toml::Value::Table(t)) = cargo_toml.get("package") {
+        if let Some(toml::Value::String(s)) = t.get("name") {
+            if s == orig_name {
+                if std::env::var_os("CARGO_TARGET_TMPDIR").is_none() {
+                    // We're running for a library/binary crate
+                    return Ok(FoundCrate::Itself);
+                } else {
+                    // We're running for an integration test
+                    return Ok(FoundCrate::Name(sanitize_crate_name(orig_name)));
+                }
+            }
+        }
+    }
+
+    if let Some(name) = ["dependencies", "dev-dependencies"]
+        .iter()
+        .find_map(|k| search_crate_at_key(k, orig_name, &mut cargo_toml))
+    {
+        return Ok(FoundCrate::Name(sanitize_crate_name(name)));
+    }
+
+    // Start searching `target.xy.dependencies`
+    if let Some(name) = cargo_toml
+        .remove("target")
+        .and_then(|t| t.try_into::<Table>().ok())
+        .and_then(|t| {
+            t.values()
+                .filter_map(|v| v.as_table())
+                .filter_map(|t| t.get("dependencies").and_then(|t| t.as_table()))
+                .find_map(|t| extract_crate_name_from_deps(orig_name, t.clone()))
+        })
+    {
+        return Ok(FoundCrate::Name(sanitize_crate_name(name)));
+    }
+
+    Err(Error::CrateNotFound {
+        crate_name: orig_name.into(),
+        path: cargo_toml_path.into(),
+    })
+}
+
+/// Search the `orig_name` crate at the given `key` in `cargo_toml`.
+fn search_crate_at_key(key: &str, orig_name: &str, cargo_toml: &mut CargoToml) -> Option<String> {
+    cargo_toml
+        .remove(key)
+        .and_then(|v| v.try_into::<Table>().ok())
+        .and_then(|t| extract_crate_name_from_deps(orig_name, t))
+}
+
+/// Extract the crate name from the given dependencies.
+///
+/// Returns `Some(orig_name)` if the crate is not renamed in the `Cargo.toml` or otherwise
+/// the renamed identifier.
+fn extract_crate_name_from_deps(orig_name: &str, deps: Table) -> Option<String> {
+    for (key, value) in deps.into_iter() {
+        let renamed = value
+            .try_into::<Table>()
+            .ok()
+            .and_then(|t| t.get("package").cloned())
+            .map(|t| t.as_str() == Some(orig_name))
+            .unwrap_or(false);
+
+        if key == orig_name || renamed {
+            return Some(key.clone());
+        }
+    }
+
+    None
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    macro_rules! create_test {
+        (
+            $name:ident,
+            $cargo_toml:expr,
+            $( $result:tt )*
+        ) => {
+            #[test]
+            fn $name() {
+                let cargo_toml = toml::from_str($cargo_toml).expect("Parses `Cargo.toml`");
+                let path = PathBuf::from("test-path");
+
+                match extract_crate_name("my_crate", cargo_toml, &path) {
+                    $( $result )* => (),
+                    o => panic!("Invalid result: {:?}", o),
+                }
+            }
+        };
+    }
+
+    create_test! {
+        deps_with_crate,
+        r#"
+            [dependencies]
+            my_crate = "0.1"
+        "#,
+        Ok(FoundCrate::Name(name)) if name == "my_crate"
+    }
+
+    create_test! {
+        dev_deps_with_crate,
+        r#"
+            [dev-dependencies]
+            my_crate = "0.1"
+        "#,
+        Ok(FoundCrate::Name(name)) if name == "my_crate"
+    }
+
+    create_test! {
+        deps_with_crate_renamed,
+        r#"
+            [dependencies]
+            cool = { package = "my_crate", version = "0.1" }
+        "#,
+        Ok(FoundCrate::Name(name)) if name == "cool"
+    }
+
+    create_test! {
+        deps_with_crate_renamed_second,
+        r#"
+            [dependencies.cool]
+            package = "my_crate"
+            version = "0.1"
+        "#,
+        Ok(FoundCrate::Name(name)) if name == "cool"
+    }
+
+    create_test! {
+        deps_empty,
+        r#"
+            [dependencies]
+        "#,
+        Err(Error::CrateNotFound {
+            crate_name,
+            path,
+        }) if crate_name == "my_crate" && path.display().to_string() == "test-path"
+    }
+
+    create_test! {
+        crate_not_found,
+        r#"
+            [dependencies]
+            serde = "1.0"
+        "#,
+        Err(Error::CrateNotFound {
+            crate_name,
+            path,
+        }) if crate_name == "my_crate" && path.display().to_string() == "test-path"
+    }
+
+    create_test! {
+        target_dependency,
+        r#"
+            [target.'cfg(target_os="android")'.dependencies]
+            my_crate = "0.1"
+        "#,
+        Ok(FoundCrate::Name(name)) if name == "my_crate"
+    }
+
+    create_test! {
+        target_dependency2,
+        r#"
+            [target.x86_64-pc-windows-gnu.dependencies]
+            my_crate = "0.1"
+        "#,
+        Ok(FoundCrate::Name(name)) if name == "my_crate"
+    }
+
+    create_test! {
+        own_crate,
+        r#"
+            [package]
+            name = "my_crate"
+        "#,
+        Ok(FoundCrate::Itself)
+    }
+}