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perf(java): find implementations in the sources through the index (#3132)

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Go to Implementation on project code built a region type hierarchy over every source folder, which resolves every type in the region whatever the target; in a large multi-module project it took seconds. It now runs the operation IType.newTypeHierarchy uses, scoped to the source folders and the bridged Kotlin output, so the index narrows the subtypes to files that name a supertype. Results are unchanged, local and anonymous classes included (~230 ms -> ~7 ms on a 4,000-class test project).

Refs #3101
This commit is contained in:
l0ng-ai
2026-11-13 18:27:46 +08:00
committed by GitHub
parent 1d0449d430
commit 2e78c42fac
3 changed files with 32 additions and 6 deletions
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java/java-usages/tests/implementations.py
+19 -4
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@@ -72,6 +72,21 @@ public class Task implements Runnable {
public void run() {
}
}
''',
'Anon.java': '''package zoo;
public class Anon {
Repo<Double> make() {
class Local implements Repo<Double> {
public void save(Double item) {
}
}
return new Repo<Double>() {
public void save(Double item) {
}
};
}
}
''',
'Use.java': '''package zoo;
@@ -174,11 +189,11 @@ try:
request('java/buildWorkspace', True)
# (implementations in the sources, whether they are all there are)
cases = {
# Classes, abstract ones too, and those of the bridged Kotlin output; not the sub-interface.
('Repo.java', 'Repo<T>'): (['Base.java:2', 'Longs.java:0', 'Numbers.java:2', 'Words.java:2'], True),
# Classes, abstract, local and anonymous ones too, and those of the bridged Kotlin output; not the sub-interface.
('Repo.java', 'Repo<T>'): (['Anon.java:4', 'Anon.java:8', 'Base.java:2', 'Longs.java:0', 'Numbers.java:2', 'Words.java:2'], True),
# Through the type arguments; not the abstract re-declaration.
('Repo.java', 'save(T'): (['Longs.java:0', 'Numbers.java:3', 'Words.java:3'], True),
('Use.java', 'save("x")'): (['Longs.java:0', 'Numbers.java:3', 'Words.java:3'], True),
('Repo.java', 'save(T'): (['Anon.java:5', 'Anon.java:9', 'Longs.java:0', 'Numbers.java:3', 'Words.java:3'], True),
('Use.java', 'save("x")'): (['Anon.java:5', 'Anon.java:9', 'Longs.java:0', 'Numbers.java:3', 'Words.java:3'], True),
('Repo.java', 'name()'): (['Words.java:6'], True),
# A library type's implementations in the sources; the library has more.
('Use.java', 'Runnable task'): (['Task.java:2'], False),