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//! `Loc` implementation for Rust.
#![allow(
clippy::enum_glob_use,
clippy::match_same_arms,
clippy::struct_field_names,
clippy::wildcard_imports
)]
#![allow(
clippy::cast_precision_loss,
clippy::cast_possible_truncation,
clippy::cast_sign_loss
)]
use super::*;
impl Loc for RustCode {
fn compute(node: &Node, stats: &mut Stats, is_func_space: bool, is_unit: bool) {
use Rust::*;
let (start, end) = init(node, stats, is_func_space, is_unit);
match node.kind_id().into() {
Block
| SourceFile
| SLASH
| SLASHSLASH
| SLASHSTAR
| STARSLASH
| OuterDocCommentMarker
| OuterDocCommentMarker2
| DocComment
| InnerDocCommentMarker
| BANG => {}
// A `string_literal` / `raw_string_literal` can span multiple
// rows; credit every spanned row to PLOC to match Python's #415
// decision (#778).
StringLiteral | RawStringLiteral => {
add_multiline_string_ploc(node, stats, start, end);
}
BlockComment => {
add_cloc_lines(stats, start, end);
}
LineComment => {
// Exclude the last line for `LineComment` containing a `DocComment`,
// since the `DocComment` includes the newline,
// as explained here: https://github.com/tree-sitter/tree-sitter-rust/blob/2eaf126458a4d6a69401089b6ba78c5e5d6c1ced/src/scanner.c#L194-L195
let end = if node.is_child(DocComment as u16) {
end - 1
} else {
end
};
add_cloc_lines(stats, start, end);
}
Statement
| EmptyStatement
| ExpressionStatement
| LetDeclaration
| AssignmentExpression
| CompoundAssignmentExpr => {
stats.lloc.logical_lines += 1;
}
_ => {
check_comment_ends_on_code_line(stats, start);
stats.ploc.lines.insert(start);
}
}
}
}