Crate syntex_pos [] [src]

The source positions and related helper functions

Note

This API is completely unstable and subject to change.

Structs

BytePos

A byte offset. Keep this small (currently 32-bits), as AST contains a lot of them.

CharPos

A character offset. Because of multibyte utf8 characters, a byte offset is not equivalent to a character offset. The CodeMap will convert BytePos values to CharPos values as necessary.

DistinctSources
ExpnId
FileLines
FileMap

A single source in the CodeMap.

FileMapAndBytePos
FileMapAndLine
LineInfo
Loc

A source code location used for error reporting

LocWithOpt

A source code location used as the result of lookup_char_pos_adj

MacroBacktrace
MalformedCodemapPositions
MultiByteChar

Identifies an offset of a multi-byte character in a FileMap

MultiSpan

A collection of spans. Spans have two orthogonal attributes:

Span

Spans represent a region of code, used for error reporting. Positions in spans are absolute positions from the beginning of the codemap, not positions relative to FileMaps. Methods on the CodeMap can be used to relate spans back to the original source. You must be careful if the span crosses more than one file - you will not be able to use many of the functions on spans in codemap and you cannot assume that the length of the span = hi - lo; there may be space in the BytePos range between files.

SpanLabel

Enums

SpanLinesError
SpanSnippetError

Constants

COMMAND_LINE_EXPN
COMMAND_LINE_SP
DUMMY_SP
NO_EXPANSION
PROC_EXPN

Statics

SPAN_DEBUG

Traits

Pos

Functions

mk_sp

Type Definitions

FileLinesResult
FileName