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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/cargo_metadata/src/messages.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/cargo_metadata/src/messages.rs')
-rw-r--r--vendor/cargo_metadata/src/messages.rs172
1 files changed, 172 insertions, 0 deletions
diff --git a/vendor/cargo_metadata/src/messages.rs b/vendor/cargo_metadata/src/messages.rs
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+use super::{Diagnostic, PackageId, Target};
+use camino::Utf8PathBuf;
+#[cfg(feature = "builder")]
+use derive_builder::Builder;
+use serde::{Deserialize, Serialize};
+use std::fmt;
+use std::io::{self, BufRead, Read};
+
+/// Profile settings used to determine which compiler flags to use for a
+/// target.
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash)]
+#[cfg_attr(feature = "builder", derive(Builder))]
+#[non_exhaustive]
+#[cfg_attr(feature = "builder", builder(pattern = "owned", setter(into)))]
+pub struct ArtifactProfile {
+ /// Optimization level. Possible values are 0-3, s or z.
+ pub opt_level: String,
+ /// The amount of debug info. 0 for none, 1 for limited, 2 for full
+ pub debuginfo: Option<u32>,
+ /// State of the `cfg(debug_assertions)` directive, enabling macros like
+ /// `debug_assert!`
+ pub debug_assertions: bool,
+ /// State of the overflow checks.
+ pub overflow_checks: bool,
+ /// Whether this profile is a test
+ pub test: bool,
+}
+
+/// A compiler-generated file.
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash)]
+#[cfg_attr(feature = "builder", derive(Builder))]
+#[non_exhaustive]
+#[cfg_attr(feature = "builder", builder(pattern = "owned", setter(into)))]
+pub struct Artifact {
+ /// The package this artifact belongs to
+ pub package_id: PackageId,
+ /// The target this artifact was compiled for
+ pub target: Target,
+ /// The profile this artifact was compiled with
+ pub profile: ArtifactProfile,
+ /// The enabled features for this artifact
+ pub features: Vec<String>,
+ /// The full paths to the generated artifacts
+ /// (e.g. binary file and separate debug info)
+ pub filenames: Vec<Utf8PathBuf>,
+ /// Path to the executable file
+ pub executable: Option<Utf8PathBuf>,
+ /// If true, then the files were already generated
+ pub fresh: bool,
+}
+
+/// Message left by the compiler
+// TODO: Better name. This one comes from machine_message.rs
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash)]
+#[cfg_attr(feature = "builder", derive(Builder))]
+#[non_exhaustive]
+#[cfg_attr(feature = "builder", builder(pattern = "owned", setter(into)))]
+pub struct CompilerMessage {
+ /// The package this message belongs to
+ pub package_id: PackageId,
+ /// The target this message is aimed at
+ pub target: Target,
+ /// The message the compiler sent.
+ pub message: Diagnostic,
+}
+
+/// Output of a build script execution.
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash)]
+#[cfg_attr(feature = "builder", derive(Builder))]
+#[non_exhaustive]
+#[cfg_attr(feature = "builder", builder(pattern = "owned", setter(into)))]
+pub struct BuildScript {
+ /// The package this build script execution belongs to
+ pub package_id: PackageId,
+ /// The libs to link
+ pub linked_libs: Vec<Utf8PathBuf>,
+ /// The paths to search when resolving libs
+ pub linked_paths: Vec<Utf8PathBuf>,
+ /// Various `--cfg` flags to pass to the compiler
+ pub cfgs: Vec<String>,
+ /// The environment variables to add to the compilation
+ pub env: Vec<(String, String)>,
+ /// The `OUT_DIR` environment variable where this script places its output
+ ///
+ /// Added in Rust 1.41.
+ #[serde(default)]
+ pub out_dir: Utf8PathBuf,
+}
+
+/// Final result of a build.
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash)]
+#[cfg_attr(feature = "builder", derive(Builder))]
+#[non_exhaustive]
+#[cfg_attr(feature = "builder", builder(pattern = "owned", setter(into)))]
+pub struct BuildFinished {
+ /// Whether or not the build finished successfully.
+ pub success: bool,
+}
+
+/// A cargo message
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash)]
+#[non_exhaustive]
+#[serde(tag = "reason", rename_all = "kebab-case")]
+pub enum Message {
+ /// The compiler generated an artifact
+ CompilerArtifact(Artifact),
+ /// The compiler wants to display a message
+ CompilerMessage(CompilerMessage),
+ /// A build script successfully executed.
+ BuildScriptExecuted(BuildScript),
+ /// The build has finished.
+ ///
+ /// This is emitted at the end of the build as the last message.
+ /// Added in Rust 1.44.
+ BuildFinished(BuildFinished),
+ /// A line of text which isn't a cargo or compiler message.
+ /// Line separator is not included
+ #[serde(skip)]
+ TextLine(String),
+}
+
+impl Message {
+ /// Creates an iterator of Message from a Read outputting a stream of JSON
+ /// messages. For usage information, look at the top-level documentation.
+ pub fn parse_stream<R: Read>(input: R) -> MessageIter<R> {
+ MessageIter { input }
+ }
+}
+
+impl fmt::Display for CompilerMessage {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ write!(f, "{}", self.message)
+ }
+}
+
+/// An iterator of Messages.
+pub struct MessageIter<R> {
+ input: R,
+}
+
+impl<R: BufRead> Iterator for MessageIter<R> {
+ type Item = io::Result<Message>;
+ fn next(&mut self) -> Option<Self::Item> {
+ let mut line = String::new();
+ self.input
+ .read_line(&mut line)
+ .map(|n| {
+ if n == 0 {
+ None
+ } else {
+ if line.ends_with('\n') {
+ line.truncate(line.len() - 1);
+ }
+ let mut deserializer = serde_json::Deserializer::from_str(&line);
+ deserializer.disable_recursion_limit();
+ Some(Message::deserialize(&mut deserializer).unwrap_or(Message::TextLine(line)))
+ }
+ })
+ .transpose()
+ }
+}
+
+/// An iterator of Message.
+type MessageIterator<R> =
+ serde_json::StreamDeserializer<'static, serde_json::de::IoRead<R>, Message>;
+
+/// Creates an iterator of Message from a Read outputting a stream of JSON
+/// messages. For usage information, look at the top-level documentation.
+#[deprecated(note = "Use Message::parse_stream instead")]
+pub fn parse_messages<R: Read>(input: R) -> MessageIterator<R> {
+ serde_json::Deserializer::from_reader(input).into_iter::<Message>()
+}