mirror of
https://github.com/luau-lang/luau.git
synced 2024-11-15 22:35:43 +08:00
395 lines
9.9 KiB
C++
395 lines
9.9 KiB
C++
// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
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#include "Luau/AstQuery.h"
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#include "AstQueryDsl.h"
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#include "doctest.h"
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#include "Fixture.h"
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using namespace Luau;
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struct DocumentationSymbolFixture : BuiltinsFixture
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{
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std::optional<DocumentationSymbol> getDocSymbol(const std::string& source, Position position)
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{
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check(source);
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SourceModule* sourceModule = getMainSourceModule();
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ModulePtr module = getMainModule();
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return getDocumentationSymbolAtPosition(*sourceModule, *module, position);
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}
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};
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TEST_SUITE_BEGIN("AstQuery::getDocumentationSymbolAtPosition");
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TEST_CASE_FIXTURE(DocumentationSymbolFixture, "binding")
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{
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std::optional<DocumentationSymbol> global = getDocSymbol(
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R"(
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local a = string.sub()
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)",
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Position(1, 21)
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);
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CHECK_EQ(global, "@luau/global/string");
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}
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TEST_CASE_FIXTURE(DocumentationSymbolFixture, "prop")
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{
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std::optional<DocumentationSymbol> substring = getDocSymbol(
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R"(
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local a = string.sub()
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)",
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Position(1, 27)
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);
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CHECK_EQ(substring, "@luau/global/string.sub");
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}
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TEST_CASE_FIXTURE(DocumentationSymbolFixture, "event_callback_arg")
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{
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loadDefinition(R"(
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declare function Connect(fn: (string) -> ())
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)");
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std::optional<DocumentationSymbol> substring = getDocSymbol(
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R"(
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Connect(function(abc)
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end)
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)",
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Position(1, 27)
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);
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CHECK_EQ(substring, "@test/global/Connect/param/0/param/0");
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}
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TEST_CASE_FIXTURE(DocumentationSymbolFixture, "overloaded_fn")
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{
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loadDefinition(R"(
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declare foo: ((string) -> number) & ((number) -> string)
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)");
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std::optional<DocumentationSymbol> symbol = getDocSymbol(
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R"(
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foo("asdf")
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)",
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Position(1, 10)
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);
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CHECK_EQ(symbol, "@test/global/foo/overload/(string) -> number");
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}
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TEST_CASE_FIXTURE(DocumentationSymbolFixture, "class_method")
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{
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loadDefinition(R"(
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declare class Foo
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function bar(self, x: string): number
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end
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declare Foo: {
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new: () -> Foo
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}
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)");
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std::optional<DocumentationSymbol> symbol = getDocSymbol(
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R"(
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local x: Foo = Foo.new()
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x:bar("asdf")
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)",
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Position(2, 11)
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);
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CHECK_EQ(symbol, "@test/globaltype/Foo.bar");
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}
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TEST_CASE_FIXTURE(DocumentationSymbolFixture, "overloaded_class_method")
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{
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loadDefinition(R"(
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declare class Foo
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function bar(self, x: string): number
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function bar(self, x: number): string
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end
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declare Foo: {
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new: () -> Foo
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}
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)");
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std::optional<DocumentationSymbol> symbol = getDocSymbol(
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R"(
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local x: Foo = Foo.new()
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x:bar("asdf")
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)",
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Position(2, 11)
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);
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CHECK_EQ(symbol, "@test/globaltype/Foo.bar/overload/(Foo, string) -> number");
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}
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TEST_CASE_FIXTURE(DocumentationSymbolFixture, "table_function_prop")
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{
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loadDefinition(R"(
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declare Foo: {
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new: (number) -> string
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}
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)");
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std::optional<DocumentationSymbol> symbol = getDocSymbol(
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R"(
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Foo.new("asdf")
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)",
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Position(1, 13)
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);
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CHECK_EQ(symbol, "@test/global/Foo.new");
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}
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TEST_CASE_FIXTURE(DocumentationSymbolFixture, "table_overloaded_function_prop")
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{
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loadDefinition(R"(
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declare Foo: {
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new: ((number) -> string) & ((string) -> number)
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}
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)");
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std::optional<DocumentationSymbol> symbol = getDocSymbol(
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R"(
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Foo.new("asdf")
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)",
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Position(1, 13)
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);
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CHECK_EQ(symbol, "@test/global/Foo.new/overload/(string) -> number");
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}
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TEST_SUITE_END();
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TEST_SUITE_BEGIN("AstQuery");
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TEST_CASE_FIXTURE(Fixture, "last_argument_function_call_type")
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{
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ScopedFastFlag sff{FFlag::LuauSolverV2, false};
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check(R"(
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local function foo() return 2 end
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local function bar(a: number) return -a end
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bar(foo())
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)");
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auto oty = findTypeAtPosition(Position(3, 7));
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REQUIRE(oty);
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CHECK_EQ("number", toString(*oty));
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auto expectedOty = findExpectedTypeAtPosition(Position(3, 7));
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REQUIRE(expectedOty);
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CHECK_EQ("number", toString(*expectedOty));
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}
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TEST_CASE_FIXTURE(Fixture, "ast_ancestry_at_eof")
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{
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check(R"(
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if true then
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)");
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std::vector<AstNode*> ancestry = findAstAncestryOfPosition(*getMainSourceModule(), Position(2, 4));
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REQUIRE_GE(ancestry.size(), 2);
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AstStat* parentStat = ancestry[ancestry.size() - 2]->asStat();
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REQUIRE(bool(parentStat));
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REQUIRE(parentStat->is<AstStatIf>());
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}
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TEST_CASE_FIXTURE(Fixture, "ac_ast_ancestry_at_number_const")
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{
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check(R"(
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print(3.)
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)");
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std::vector<AstNode*> ancestry = findAncestryAtPositionForAutocomplete(*getMainSourceModule(), Position(1, 8));
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REQUIRE_GE(ancestry.size(), 2);
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REQUIRE(ancestry.back()->is<AstExprConstantNumber>());
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}
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TEST_CASE_FIXTURE(Fixture, "ac_ast_ancestry_in_workspace_dot")
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{
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check(R"(
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print(workspace.)
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)");
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std::vector<AstNode*> ancestry = findAncestryAtPositionForAutocomplete(*getMainSourceModule(), Position(1, 16));
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REQUIRE_GE(ancestry.size(), 2);
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REQUIRE(ancestry.back()->is<AstExprIndexName>());
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}
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TEST_CASE_FIXTURE(Fixture, "ac_ast_ancestry_in_workspace_colon")
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{
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check(R"(
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print(workspace:)
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)");
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std::vector<AstNode*> ancestry = findAncestryAtPositionForAutocomplete(*getMainSourceModule(), Position(1, 16));
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REQUIRE_GE(ancestry.size(), 2);
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REQUIRE(ancestry.back()->is<AstExprIndexName>());
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}
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TEST_CASE_FIXTURE(Fixture, "Luau_query")
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{
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AstStatBlock* block = parse(R"(
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if true then
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end
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)");
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AstStatIf* if_ = Luau::query<AstStatIf>(block);
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CHECK(if_);
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}
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TEST_CASE_FIXTURE(Fixture, "Luau_query_for_2nd_if_stat_which_doesnt_exist")
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{
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AstStatBlock* block = parse(R"(
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if true then
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end
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)");
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AstStatIf* if_ = Luau::query<AstStatIf, 2>(block);
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CHECK(!if_);
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}
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TEST_CASE_FIXTURE(Fixture, "Luau_nested_query")
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{
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AstStatBlock* block = parse(R"(
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if true then
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end
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)");
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AstStatIf* if_ = Luau::query<AstStatIf>(block);
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REQUIRE(if_);
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AstExprConstantBool* bool_ = Luau::query<AstExprConstantBool>(if_);
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REQUIRE(bool_);
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}
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TEST_CASE_FIXTURE(Fixture, "Luau_nested_query_but_first_query_failed")
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{
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AstStatBlock* block = parse(R"(
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if true then
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end
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)");
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AstStatIf* if_ = Luau::query<AstStatIf, 2>(block);
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REQUIRE(!if_);
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AstExprConstantBool* bool_ = Luau::query<AstExprConstantBool>(if_); // ensure it doesn't crash
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REQUIRE(!bool_);
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}
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TEST_CASE_FIXTURE(Fixture, "Luau_selectively_query_for_a_different_boolean")
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{
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AstStatBlock* block = parse(R"(
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local x = false and true
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local y = true and false
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)");
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AstExprConstantBool* fst = Luau::query<AstExprConstantBool>(block, {nth<AstStatLocal>(), nth<AstExprConstantBool>(2)});
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REQUIRE(fst);
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REQUIRE(fst->value == true);
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AstExprConstantBool* snd = Luau::query<AstExprConstantBool>(block, {nth<AstStatLocal>(2), nth<AstExprConstantBool>(2)});
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REQUIRE(snd);
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REQUIRE(snd->value == false);
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}
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TEST_CASE_FIXTURE(Fixture, "Luau_selectively_query_for_a_different_boolean_2")
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{
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AstStatBlock* block = parse(R"(
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local x = false and true
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local y = true and false
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)");
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AstExprConstantBool* snd = Luau::query<AstExprConstantBool>(block, {nth<AstStatLocal>(2), nth<AstExprConstantBool>()});
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REQUIRE(snd);
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REQUIRE(snd->value == true);
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}
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TEST_CASE_FIXTURE(Fixture, "include_types_ancestry")
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{
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check("local x: number = 4;");
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const Position pos(0, 10);
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std::vector<AstNode*> ancestryNoTypes = findAstAncestryOfPosition(*getMainSourceModule(), pos);
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std::vector<AstNode*> ancestryTypes = findAstAncestryOfPosition(*getMainSourceModule(), pos, true);
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CHECK(ancestryTypes.size() > ancestryNoTypes.size());
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CHECK(!ancestryNoTypes.back()->asType());
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CHECK(ancestryTypes.back()->asType());
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}
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TEST_CASE_FIXTURE(Fixture, "find_name_ancestry")
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{
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check(R"(
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local tbl = {}
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function tbl:abc() end
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)");
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const Position pos(2, 18);
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std::vector<AstNode*> ancestry = findAstAncestryOfPosition(*getMainSourceModule(), pos);
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REQUIRE(!ancestry.empty());
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CHECK(ancestry.back()->is<AstExprLocal>());
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}
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TEST_CASE_FIXTURE(Fixture, "find_expr_ancestry")
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{
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check(R"(
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local tbl = {}
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function tbl:abc() end
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)");
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const Position pos(2, 29);
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std::vector<AstNode*> ancestry = findAstAncestryOfPosition(*getMainSourceModule(), pos);
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REQUIRE(!ancestry.empty());
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CHECK(ancestry.back()->is<AstExprFunction>());
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}
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TEST_CASE_FIXTURE(BuiltinsFixture, "find_binding_at_position_global_start_of_file")
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{
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check("local x = string.char(1)");
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const Position pos(0, 12);
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std::optional<Binding> binding = findBindingAtPosition(*getMainModule(), *getMainSourceModule(), pos);
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REQUIRE(binding);
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CHECK_EQ(binding->location, Location{Position{0, 0}, Position{0, 0}});
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}
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TEST_CASE_FIXTURE(Fixture, "interior_binding_location_is_consistent_with_exterior_binding")
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{
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CheckResult result = check(R"(
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local function abcd(arg)
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abcd(arg)
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end
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abcd(0)
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)");
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LUAU_REQUIRE_NO_ERRORS(result);
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// FIXME CLI-114385: findBindingByPosition does not properly handle AstStatLocalFunction.
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// std::optional<Binding> declBinding = findBindingAtPosition(*getMainModule(), *getMainSourceModule(), {1, 26});
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// REQUIRE(declBinding);
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// CHECK(declBinding->location == Location{{1, 25}, {1, 28}});
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std::optional<Binding> innerCallBinding = findBindingAtPosition(*getMainModule(), *getMainSourceModule(), {2, 15});
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REQUIRE(innerCallBinding);
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CHECK(innerCallBinding->location == Location{{1, 23}, {1, 27}});
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std::optional<Binding> outerCallBinding = findBindingAtPosition(*getMainModule(), *getMainSourceModule(), {5, 8});
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REQUIRE(outerCallBinding);
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CHECK(outerCallBinding->location == Location{{1, 23}, {1, 27}});
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}
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TEST_SUITE_END();
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