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//! `Loc` implementation for Objc.
#![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 ObjcCode {
fn compute(node: &Node, stats: &mut Stats, is_func_space: bool, is_unit: bool) {
use Objc::*;
let (start, end) = init(node, stats, is_func_space, is_unit);
match node.kind_id().into() {
// ObjC has no raw string literals. `instance_variables` is
// the `{ … }` ivar block of an `@interface` /
// `@implementation`; like `DeclarationList` it is a brace
// container, not a logical line.
DeclarationList | FieldDeclarationList | InstanceVariables | TranslationUnit => {}
// A `string_literal` continued across rows can span multiple rows;
// credit every spanned row to PLOC to match Python's #415 decision
// (#778). ObjC has no raw string literals.
StringLiteral => {
add_multiline_string_ploc(node, stats, start, end);
}
Comment => {
add_cloc_lines(stats, start, end);
}
// C's statement set plus the ObjC `@throw` / `@try` /
// `@synchronized` statements (each a dedicated node). There
// is no `@autoreleasepool` node — only the `@autoreleasepool`
// keyword token — so its inner statements are counted
// individually and the block header adds no logical line.
WhileStatement
| SwitchStatement
| CaseStatement
| IfStatement
| ForStatement
| ReturnStatement
| BreakStatement
| ContinueStatement
| GotoStatement
| ThrowStatement
| TryStatement
| SynchronizedStatement
| ExpressionStatement
| ExpressionStatement2
| LabeledStatement
| StatementIdentifier => {
stats.lloc.logical_lines += 1;
}
Declaration => {
// A declaration in a `for`/`while`/`if` *header* (not its
// braced body) is part of that statement's logical line,
// so it must not add a second one. Mirrors the C / C++
// gating exactly.
if node.count_specific_ancestors::<ObjcCode>(
|node| {
matches!(
node.kind_id().into(),
WhileStatement | ForStatement | IfStatement
)
},
|node| node.kind_id() == CompoundStatement,
) == 0
{
stats.lloc.logical_lines += 1;
}
}
_ => {
check_comment_ends_on_code_line(stats, start);
stats.ploc.lines.insert(start);
// tree-sitter-objc inherits tree-sitter-cpp's unexpanded
// macro handling: a single `PreprocArg` node spans the
// whole macro argument, so every line it covers is PLOC.
if let PreprocArg = node.kind_id().into() {
(node.start_row() + 1..=node.end_row()).for_each(|line| {
stats.ploc.lines.insert(line);
});
}
}
}
}
}