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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs')
-rw-r--r-- | src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs b/src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs new file mode 100644 index 000000000..37b831652 --- /dev/null +++ b/src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs @@ -0,0 +1,36 @@ +//! Target dependent parameters needed for layouts + +use std::sync::Arc; + +use base_db::CrateId; +use hir_def::layout::{Endian, Size, TargetDataLayout}; + +use crate::db::HirDatabase; + +pub fn target_data_layout_query(db: &dyn HirDatabase, krate: CrateId) -> Arc<TargetDataLayout> { + let crate_graph = db.crate_graph(); + let target_layout = &crate_graph[krate].target_layout; + let cfg_options = &crate_graph[krate].cfg_options; + Arc::new( + target_layout + .as_ref() + .and_then(|it| TargetDataLayout::parse_from_llvm_datalayout_string(it).ok()) + .unwrap_or_else(|| { + let endian = match cfg_options.get_cfg_values("target_endian").next() { + Some(x) if x.as_str() == "big" => Endian::Big, + _ => Endian::Little, + }; + let pointer_size = Size::from_bytes( + match cfg_options.get_cfg_values("target_pointer_width").next() { + Some(x) => match x.as_str() { + "16" => 2, + "32" => 4, + _ => 8, + }, + _ => 8, + }, + ); + TargetDataLayout { endian, pointer_size, ..TargetDataLayout::default() } + }), + ) +} |