diff options
Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/codemap.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/libsyntax/codemap.rs b/src/libsyntax/codemap.rs index 830a457df74..0935ec1b01c 100644 --- a/src/libsyntax/codemap.rs +++ b/src/libsyntax/codemap.rs @@ -27,9 +27,12 @@ use std::rc::Rc; use std::env; use std::fs; +use std::hash::Hasher; use std::io::{self, Read}; use errors::CodeMapper; +use rustc_data_structures::stable_hasher::StableHasher; + /// Return the span itself if it doesn't come from a macro expansion, /// otherwise return the call site span up to the `enclosing_sp` by /// following the `expn_info` chain. @@ -171,11 +174,16 @@ impl CodeMap { let (filename, was_remapped) = self.path_mapping.map_prefix(filename); + let mut hasher: StableHasher<u128> = StableHasher::new(); + hasher.write(src.as_bytes()); + let src_hash = hasher.finish(); + let filemap = Rc::new(FileMap { name: filename, name_was_remapped: was_remapped, crate_of_origin: 0, src: Some(Rc::new(src)), + src_hash: src_hash, start_pos: Pos::from_usize(start_pos), end_pos: Pos::from_usize(end_pos), lines: RefCell::new(Vec::new()), @@ -210,6 +218,7 @@ impl CodeMap { filename: FileName, name_was_remapped: bool, crate_of_origin: u32, + src_hash: u128, source_len: usize, mut file_local_lines: Vec<BytePos>, mut file_local_multibyte_chars: Vec<MultiByteChar>) @@ -233,6 +242,7 @@ impl CodeMap { name_was_remapped: name_was_remapped, crate_of_origin: crate_of_origin, src: None, + src_hash: src_hash, start_pos: start_pos, end_pos: end_pos, lines: RefCell::new(file_local_lines), |