Available on crate feature
__common
only.Modules§
- This module reexports items from
swc_visit
with some swc-specific traits. - serializerDeprecated
- The SourceMap tracks all the source code used within a single crate, mapping from integer byte positions to the original source code location. Each bit of source parsed during crate parsing (typically files, in-memory strings, or various bits of macro expansion) cover a continuous range of bytes in the SourceMap and are represented by SourceFiles. Byte positions are stored in
spans
and used pervasively in the compiler. They are absolute positions within the SourceMap, which upon request can be converted to line and column information, source code snippets, etc. - This module defines types which are thread safe if
cfg!(feature = "concurrent")
is true.
Macros§
- Chains multiple visitor.
Structs§
- An archived
BytePos
- An archived
CharPos
- An archived
MultiSpan
- An archived
SourceFile
- An archived
SourceFileAndBytePos
- An archived
Span
- A byte offset. Keep this small (currently 32-bits), as AST contains a lot of them.
- A character offset. Because of multibyte utf8 characters, a byte offset is not equivalent to a character offset. The SourceMap will convert BytePos values to CharPos values as necessary.
- Note: This struct intentionally does not implement rkyv’s archieve to avoid redundant data copy (https://github.com/swc-project/swc/issues/5471) source_map_proxy constructs plugin-side Loc instead with shared SourceFile instance.
- Used to create a
.map
file. - A source code location used for error reporting Note: This struct intentionally does not implement rkyv’s archieve to avoid redundant data copy (https://github.com/swc-project/swc/issues/5471) source_map_proxy constructs plugin-side Loc instead with shared SourceFile instance.
- A source code location used as the result of
lookup_char_pos_adj
- A mark is a unique id associated with a macro expansion.
- A collection of spans. Spans have two orthogonal attributes:
- A single source in the SourceMap.
- The interner for spans.
- Spans represent a region of code, used for error reporting. Positions in spans are absolute positions from the beginning of the
source_map
, not positions relative toSourceFile
s. Methods on theSourceMap
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 insource_map
and you cannot assume that the length of thespan = hi - lo
; there may be space in theBytePos
range between files. - A SyntaxContext represents a chain of macro expansions (represented by marks).
Enums§
- An archived
FileName
- An archived
SpanLinesError
- An archived
SpanSnippetError
Constants§
- Dummy span, both position and length are zero, syntax context is zero as well.
Statics§
- Storage for span hygiene data.
Traits§
- A trait for ast nodes.
- Derive with
#[derive(EqIgnoreSpan)]
. - An abstraction over the fs operations used by the Parser.
- Derive
- Derive with
#[derive(TypeEq)]
.
Type Aliases§
Attribute Macros§
- Alias for
#[derive(Spanned, Fold, Clone, Debug, PartialEq)]
for a struct and#[derive(Spanned, Fold, Clone, Debug, PartialEq, FromVariant)]
for an enum. - Derives
serde::Serialize
andserde::Deserialize
.
Derive Macros§
- Derives
serde::Deserialize
which is aware oftag
based deserialization. - Derives
swc_common::EqIgnoreSpan
. - Derives [
From
] for all variants. This only supports an enum where every variant has a single field. - Derives [
swc_common::Spanned
]. See [swc_common::Spanned
] for documentation. - Derives
swc_common::TypeEq
.