diff options
Diffstat (limited to 'compiler/rustc_builtin_macros/src/source_util.rs')
| -rw-r--r-- | compiler/rustc_builtin_macros/src/source_util.rs | 47 |
1 files changed, 4 insertions, 43 deletions
diff --git a/compiler/rustc_builtin_macros/src/source_util.rs b/compiler/rustc_builtin_macros/src/source_util.rs index 2817fce463b..8bf3a0799b6 100644 --- a/compiler/rustc_builtin_macros/src/source_util.rs +++ b/compiler/rustc_builtin_macros/src/source_util.rs @@ -3,17 +3,15 @@ use rustc_ast::ptr::P; use rustc_ast::token; use rustc_ast::tokenstream::TokenStream; use rustc_ast_pretty::pprust; -use rustc_errors::PResult; use rustc_expand::base::{self, *}; use rustc_expand::module::DirOwnership; use rustc_parse::parser::{ForceCollect, Parser}; use rustc_parse::{self, new_parser_from_file}; use rustc_session::lint::builtin::INCOMPLETE_INCLUDE; use rustc_span::symbol::Symbol; -use rustc_span::{self, FileName, Pos, Span}; +use rustc_span::{self, Pos, Span}; use smallvec::SmallVec; -use std::path::PathBuf; use std::rc::Rc; // These macros all relate to the file system; they either return @@ -104,7 +102,7 @@ pub fn expand_include<'cx>( return DummyResult::any(sp); }; // The file will be added to the code map by the parser - let file = match resolve_path(cx, file.as_str(), sp) { + let file = match resolve_path(&cx.sess.parse_sess, file.as_str(), sp) { Ok(f) => f, Err(mut err) => { err.emit(); @@ -176,7 +174,7 @@ pub fn expand_include_str( let Some(file) = get_single_str_from_tts(cx, sp, tts, "include_str!") else { return DummyResult::any(sp); }; - let file = match resolve_path(cx, file.as_str(), sp) { + let file = match resolve_path(&cx.sess.parse_sess, file.as_str(), sp) { Ok(f) => f, Err(mut err) => { err.emit(); @@ -210,7 +208,7 @@ pub fn expand_include_bytes( let Some(file) = get_single_str_from_tts(cx, sp, tts, "include_bytes!") else { return DummyResult::any(sp); }; - let file = match resolve_path(cx, file.as_str(), sp) { + let file = match resolve_path(&cx.sess.parse_sess, file.as_str(), sp) { Ok(f) => f, Err(mut err) => { err.emit(); @@ -225,40 +223,3 @@ pub fn expand_include_bytes( } } } - -/// Resolves a `path` mentioned inside Rust code, returning an absolute path. -/// -/// This unifies the logic used for resolving `include_X!`. -fn resolve_path<'a>( - cx: &mut ExtCtxt<'a>, - path: impl Into<PathBuf>, - span: Span, -) -> PResult<'a, PathBuf> { - let path = path.into(); - - // Relative paths are resolved relative to the file in which they are found - // after macro expansion (that is, they are unhygienic). - if !path.is_absolute() { - let callsite = span.source_callsite(); - let mut result = match cx.source_map().span_to_filename(callsite) { - FileName::Real(name) => name - .into_local_path() - .expect("attempting to resolve a file path in an external file"), - FileName::DocTest(path, _) => path, - other => { - return Err(cx.struct_span_err( - span, - &format!( - "cannot resolve relative path in non-file source `{}`", - cx.source_map().filename_for_diagnostics(&other) - ), - )); - } - }; - result.pop(); - result.push(path); - Ok(result) - } else { - Ok(path) - } -} |
