Struct google_api_proto::google::api::expr::v1alpha1::SourceInfo

pub struct SourceInfo {
    pub syntax_version: String,
    pub location: String,
    pub line_offsets: Vec<i32>,
    pub positions: BTreeMap<i64, i32>,
    pub macro_calls: BTreeMap<i64, Expr>,
    pub extensions: Vec<Extension>,
}

Source information collected at parse time.

Fields

syntax_version: String

The syntax version of the source, e.g. cel1.

location: String

The location name. All position information attached to an expression is relative to this location.

The location could be a file, UI element, or similar. For example, acme/app/AnvilPolicy.cel.

line_offsets: Vec<i32>

Monotonically increasing list of code point offsets where newlines \n appear.

The line number of a given position is the index i where for a given id the line_offsets\[i\] < id_positions\[id\] < line_offsets\[i+1\]. The column may be derivd from id_positions\[id\] - line_offsets\[i\].

positions: BTreeMap<i64, i32>

A map from the parse node id (e.g. Expr.id) to the code point offset within the source.

macro_calls: BTreeMap<i64, Expr>

A map from the parse node id where a macro replacement was made to the call Expr that resulted in a macro expansion.

For example, has(value.field) is a function call that is replaced by a test_only field selection in the AST. Likewise, the call list.exists(e, e > 10) translates to a comprehension expression. The key in the map corresponds to the expression id of the expanded macro, and the value is the call Expr that was replaced.

extensions: Vec<Extension>

A list of tags for extensions that were used while parsing or type checking the source expression. For example, optimizations that require special runtime support may be specified.

These are used to check feature support between components in separate implementations. This can be used to either skip redundant work or report an error if the extension is unsupported.

Trait Implementations

impl Clone for SourceInfo

fn clone(&self) -> SourceInfo

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SourceInfo

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for SourceInfo

fn default() -> Self

Returns the “default value” for a type.

impl Message for SourceInfo

fn encoded_len(&self) -> usize

Returns the encoded length of the message without a length delimiter.

fn clear(&mut self)

Clears the message, resetting all fields to their default.

fn encode<B>(&self, buf: &mut B) -> Result<(), EncodeError>

where B: BufMut, Self: Sized,

Encodes the message to a buffer.

fn encode_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message to a newly allocated buffer.

fn encode_length_delimited<B>(&self, buf: &mut B) -> Result<(), EncodeError>

where B: BufMut, Self: Sized,

Encodes the message with a length-delimiter to a buffer.

fn encode_length_delimited_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message with a length-delimiter to a newly allocated buffer.

fn decode<B>(buf: B) -> Result<Self, DecodeError>

where B: Buf, Self: Default,

Decodes an instance of the message from a buffer.

fn decode_length_delimited<B>(buf: B) -> Result<Self, DecodeError>

where B: Buf, Self: Default,

Decodes a length-delimited instance of the message from the buffer.

fn merge<B>(&mut self, buf: B) -> Result<(), DecodeError>

where B: Buf, Self: Sized,

Decodes an instance of the message from a buffer, and merges it into self.

fn merge_length_delimited<B>(&mut self, buf: B) -> Result<(), DecodeError>

where B: Buf, Self: Sized,

Decodes a length-delimited instance of the message from buffer, and merges it into self.

impl PartialEq for SourceInfo

fn eq(&self, other: &SourceInfo) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for SourceInfo