diff options
Diffstat (limited to 'src/librustc_codegen_llvm/debuginfo/source_loc.rs')
| -rw-r--r-- | src/librustc_codegen_llvm/debuginfo/source_loc.rs | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/src/librustc_codegen_llvm/debuginfo/source_loc.rs b/src/librustc_codegen_llvm/debuginfo/source_loc.rs deleted file mode 100644 index 66ae9d72c3e..00000000000 --- a/src/librustc_codegen_llvm/debuginfo/source_loc.rs +++ /dev/null @@ -1,61 +0,0 @@ -use super::metadata::{UNKNOWN_COLUMN_NUMBER, UNKNOWN_LINE_NUMBER}; -use super::utils::debug_context; - -use crate::common::CodegenCx; -use crate::llvm::debuginfo::DIScope; -use crate::llvm::{self, Value}; -use rustc_codegen_ssa::traits::*; - -use rustc_data_structures::sync::Lrc; -use rustc_span::{BytePos, Pos, SourceFile, SourceFileAndLine, Span}; - -/// A source code location used to generate debug information. -pub struct DebugLoc { - /// Information about the original source file. - pub file: Lrc<SourceFile>, - /// The (1-based) line number. - pub line: Option<u32>, - /// The (1-based) column number. - pub col: Option<u32>, -} - -impl CodegenCx<'ll, '_> { - /// Looks up debug source information about a `BytePos`. - pub fn lookup_debug_loc(&self, pos: BytePos) -> DebugLoc { - let (file, line, col) = match self.sess().source_map().lookup_line(pos) { - Ok(SourceFileAndLine { sf: file, line }) => { - let line_pos = file.line_begin_pos(pos); - - // Use 1-based indexing. - let line = (line + 1) as u32; - let col = (pos - line_pos).to_u32() + 1; - - (file, Some(line), Some(col)) - } - Err(file) => (file, None, None), - }; - - // For MSVC, omit the column number. - // Otherwise, emit it. This mimics clang behaviour. - // See discussion in https://github.com/rust-lang/rust/issues/42921 - if self.sess().target.target.options.is_like_msvc { - DebugLoc { file, line, col: None } - } else { - DebugLoc { file, line, col } - } - } - - pub fn create_debug_loc(&self, scope: &'ll DIScope, span: Span) -> &'ll Value { - let DebugLoc { line, col, .. } = self.lookup_debug_loc(span.lo()); - - unsafe { - llvm::LLVMRustDIBuilderCreateDebugLocation( - debug_context(self).llcontext, - line.unwrap_or(UNKNOWN_LINE_NUMBER), - col.unwrap_or(UNKNOWN_COLUMN_NUMBER), - scope, - None, - ) - } - } -} |
