oak-llvm-ir 0.0.4

High-performance incremental LLVM IR parser for the oak ecosystem with flexible configuration, supporting low-level intermediate representation analysis.
Documentation 
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#![doc = include_str!("readme.md")]
#[cfg(feature = "oak-highlight")]
pub mod highlighter;

use crate::language::LLvmLanguage;
use oak_core::{Range, tree::RedNode};
#[cfg(feature = "lsp")]
use {
    futures::Future,
    oak_hover::{Hover, HoverProvider},
    oak_lsp::service::LanguageService,
    oak_lsp::types::Hover as LspHover,
    oak_vfs::Vfs,
};
/// Hover provider implementation for LLVM IR.
#[cfg(feature = "lsp")]
pub struct LLirHoverProvider;
#[cfg(feature = "lsp")]
impl HoverProvider<LLvmLanguage> for LLirHoverProvider {
    fn hover(&self, node: &RedNode<LLvmLanguage>, _range: Range<usize>) -> Option<Hover> {
        let _kind = node.green.kind;
        // TODO: Provide context-aware hover information
        None
    }
}
/// Language service implementation for LLVM IR.
#[cfg(feature = "lsp")]
pub struct LLirLanguageService<V: Vfs> {
    vfs: V,
    workspace: oak_lsp::workspace::WorkspaceManager,
    hover_provider: LLirHoverProvider,
}
#[cfg(feature = "lsp")]
impl<V: Vfs> LLirLanguageService<V> {
    /// Creates a new `LLirLanguageService`.
    pub fn new(vfs: V) -> Self {
        Self { vfs, workspace: oak_lsp::workspace::WorkspaceManager::default(), hover_provider: LLirHoverProvider }
    }
}
#[cfg(feature = "lsp")]
impl<V: Vfs + Send + Sync + 'static + oak_vfs::WritableVfs> LanguageService for LLirLanguageService<V> {
    type Lang = LLvmLanguage;
    type Vfs = V;
    fn vfs(&self) -> &Self::Vfs {
        &self.vfs
    }
    fn workspace(&self) -> &oak_lsp::workspace::WorkspaceManager {
        &self.workspace
    }
    fn get_root(&self, uri: &str) -> impl Future<Output = Option<RedNode<'_, LLvmLanguage>>> + Send + '_ {
        let source = self.vfs().get_source(uri);
        async move {
            let source = source?;
            let language = LLvmLanguage::default();
            let parser = crate::parser::LLirParser::new(&language);
            let lexer = crate::lexer::LLvmLexer::new(&language);
            let mut cache = oak_core::parser::session::ParseSession::<LLvmLanguage>::default();
            let _output = oak_core::parser::parse(&parser, &lexer, &source, &[], &mut cache);
            None
        }
    }
    fn hover(&self, uri: &str, range: Range<usize>) -> impl Future<Output = Option<oak_lsp::Hover>> + Send + '_ {
        let uri = uri.to_string();
        async move { self.with_root(&uri, |root| self.hover_provider.hover(&root, range).map(|h| oak_lsp::Hover { contents: h.contents, range: h.range })).await.flatten() }
    }
}
/// Language service implementation for LLVM IR (Legacy name).
#[cfg(feature = "lsp")]
pub struct LLvmLanguageService<V: Vfs> {
    vfs: V,
    workspace: oak_lsp::workspace::WorkspaceManager,
}
#[cfg(feature = "lsp")]
impl<V: Vfs> LLvmLanguageService<V> {
    /// Creates a new `LLvmLanguageService`.
    pub fn new(vfs: V) -> Self {
        Self { vfs, workspace: oak_lsp::workspace::WorkspaceManager::new() }
    }
}
#[cfg(feature = "lsp")]
impl<V: Vfs + Send + Sync + 'static + oak_vfs::WritableVfs> LanguageService for LLvmLanguageService<V> {
    type Lang = LLvmLanguage;
    type Vfs = V;
    fn vfs(&self) -> &Self::Vfs {
        &self.vfs
    }
    fn workspace(&self) -> &oak_lsp::workspace::WorkspaceManager {
        &self.workspace
    }
    fn get_root(&self, _uri: &str) -> impl Future<Output = Option<RedNode<'_, LLvmLanguage>>> + Send + '_ {
        async move { None }
    }
    fn hover(&self, _uri: &str, _range: Range<usize>) -> impl Future<Output = Option<LspHover>> + Send + '_ {
        async move { None }
    }
}