lib.rs
103 lines
| 2.7 KiB
| application/rls-services+xml
|
RustLexer
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r40307 | // Copyright 2018 Georges Racinet <gracinet@anybox.fr> | ||
// | ||||
// This software may be used and distributed according to the terms of the | ||||
// GNU General Public License version 2 or any later version. | ||||
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r42488 | extern crate byteorder; | ||
extern crate memchr; | ||||
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r42514 | #[macro_use] | ||
extern crate lazy_static; | ||||
extern crate regex; | ||||
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r42488 | |||
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r40307 | mod ancestors; | ||
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r41278 | pub mod dagops; | ||
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r41084 | pub use ancestors::{AncestorsIterator, LazyAncestors, MissingAncestors}; | ||
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r42489 | mod dirstate; | ||
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r42355 | pub mod discovery; | ||
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r42489 | pub mod testing; // unconditionally built, for use from integration tests | ||
pub use dirstate::{ | ||||
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r42617 | parsers::{pack_dirstate, parse_dirstate}, | ||
CopyVec, CopyVecEntry, DirstateEntry, DirstateParents, DirstateVec, | ||||
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r42489 | }; | ||
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r42514 | mod filepatterns; | ||
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r42630 | mod utils; | ||
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r42514 | |||
pub use filepatterns::{ | ||||
build_single_regex, read_pattern_file, PatternSyntax, PatternTuple, | ||||
}; | ||||
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r40307 | |||
/// Mercurial revision numbers | ||||
/// | ||||
/// As noted in revlog.c, revision numbers are actually encoded in | ||||
/// 4 bytes, and are liberally converted to ints, whence the i32 | ||||
pub type Revision = i32; | ||||
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r41866 | /// Marker expressing the absence of a parent | ||
/// | ||||
/// Independently of the actual representation, `NULL_REVISION` is guaranteed | ||||
/// to be smaller that all existing revisions. | ||||
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r40307 | pub const NULL_REVISION: Revision = -1; | ||
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r41384 | /// Same as `mercurial.node.wdirrev` | ||
/// | ||||
/// This is also equal to `i32::max_value()`, but it's better to spell | ||||
/// it out explicitely, same as in `mercurial.node` | ||||
pub const WORKING_DIRECTORY_REVISION: Revision = 0x7fffffff; | ||||
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r40307 | /// The simplest expression of what we need of Mercurial DAGs. | ||
pub trait Graph { | ||||
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r40995 | /// Return the two parents of the given `Revision`. | ||
/// | ||||
/// Each of the parents can be independently `NULL_REVISION` | ||||
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r40969 | fn parents(&self, Revision) -> Result<[Revision; 2], GraphError>; | ||
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r40307 | } | ||
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r42514 | pub type LineNumber = usize; | ||
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r40307 | #[derive(Clone, Debug, PartialEq)] | ||
pub enum GraphError { | ||||
ParentOutOfRange(Revision), | ||||
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r41385 | WorkingDirectoryUnsupported, | ||
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r40307 | } | ||
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r42488 | |||
#[derive(Clone, Debug, PartialEq)] | ||||
pub enum DirstateParseError { | ||||
TooLittleData, | ||||
Overflow, | ||||
CorruptedEntry(String), | ||||
} | ||||
#[derive(Debug, PartialEq)] | ||||
pub enum DirstatePackError { | ||||
CorruptedEntry(String), | ||||
CorruptedParent, | ||||
BadSize(usize, usize), | ||||
} | ||||
impl From<std::io::Error> for DirstatePackError { | ||||
fn from(e: std::io::Error) -> Self { | ||||
DirstatePackError::CorruptedEntry(e.to_string()) | ||||
} | ||||
} | ||||
impl From<std::io::Error> for DirstateParseError { | ||||
fn from(e: std::io::Error) -> Self { | ||||
DirstateParseError::CorruptedEntry(e.to_string()) | ||||
} | ||||
} | ||||
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r42514 | |||
#[derive(Debug)] | ||||
pub enum PatternError { | ||||
UnsupportedSyntax(String), | ||||
} | ||||
#[derive(Debug)] | ||||
pub enum PatternFileError { | ||||
IO(std::io::Error), | ||||
Pattern(PatternError, LineNumber), | ||||
} | ||||
impl From<std::io::Error> for PatternFileError { | ||||
fn from(e: std::io::Error) -> Self { | ||||
PatternFileError::IO(e) | ||||
} | ||||
} | ||||