Files
swift-mirror/test/IDE/complete_exception.swift
Hamish Knight 14608cb059 [Sema] Skip type-checking catch bodies when computing the bound error type
Make sure we only ever type-check the `do` body of a `do-catch`
statement when lazily type-checking the bound error type, which we can
do for completion.

rdar://164481242
2025-11-11 23:04:30 +00:00

208 lines
7.6 KiB
Swift

// RUN: %empty-directory(%t/batch-code-completion)
// RUN: %target-swift-ide-test(mock-sdk: %clang-importer-sdk) -batch-code-completion -source-filename %s -filecheck %raw-FileCheck -completion-output-dir %t/batch-code-completion
// REQUIRES: objc_interop
import Foundation // importer SDK
protocol ErrorPro1 : Error {}
class Error1 : Error {}
class Error2 : Error {}
class Error3 {}
extension Error3 : Error{}
enum Error4 : Error {
case E1
case E2(Int32)
}
class NoneError1 {}
func getError1() -> Error1 { return Error1() }
func getNSError() -> NSError { return NSError(domain: "", code: 1, userInfo: [:]) }
func test001() {
do {} catch #^CATCH1^#
// CATCH1-DAG: Decl[Enum]/CurrModule/TypeRelation[Convertible]: Error4[#Error4#]; name=Error4{{$}}
// CATCH1-DAG: Decl[Class]/CurrModule/TypeRelation[Convertible]: Error3[#Error3#]; name=Error3{{$}}
// CATCH1-DAG: Decl[Class]/CurrModule/TypeRelation[Convertible]: Error2[#Error2#]; name=Error2{{$}}
// CATCH1-DAG: Decl[Class]/CurrModule/TypeRelation[Convertible]: Error1[#Error1#]; name=Error1{{$}}
// CATCH1-DAG: Keyword[let]/None: let{{; name=.+$}}
// CATCH1-DAG: Decl[Class]/CurrModule: NoneError1[#NoneError1#]; name=NoneError1{{$}}
// CATCH1-DAG: Decl[Class]/OtherModule[Foundation]/IsSystem: NSError[#NSError#]{{; name=.+$}}
}
func test002() {
let text = "NonError"
let e1 = Error1()
let e2 = Error2()
throw #^THROW1?check=THROW1,THROW1-LOCAL^#
// THROW1-DAG: Decl[Enum]/CurrModule/TypeRelation[Convertible]: Error4[#Error4#]; name=Error4{{$}}
// THROW1-DAG: Decl[Class]/CurrModule/TypeRelation[Convertible]: Error3[#Error3#]; name=Error3{{$}}
// THROW1-DAG: Decl[Class]/CurrModule/TypeRelation[Convertible]: Error2[#Error2#]; name=Error2{{$}}
// THROW1-DAG: Decl[Class]/CurrModule/TypeRelation[Convertible]: Error1[#Error1#]; name=Error1{{$}}
// THROW1-DAG: Decl[Protocol]/CurrModule/Flair[RareType]/TypeRelation[Convertible]: ErrorPro1[#ErrorPro1#]; name=ErrorPro1{{$}}
// THROW1-DAG: Decl[FreeFunction]/CurrModule/TypeRelation[Convertible]: getError1()[#Error1#]{{; name=.+$}}
// THROW1-DAG: Decl[FreeFunction]/CurrModule/TypeRelation[Convertible]: getNSError()[#NSError#]{{; name=.+$}}
// THROW1-DAG: Decl[Class]/CurrModule: NoneError1[#NoneError1#]; name=NoneError1{{$}}
// THROW1-LOCAL-DAG: Decl[LocalVar]/Local: text[#String#]; name=text{{$}}
// THROW1-LOCAL-DAG: Decl[LocalVar]/Local/TypeRelation[Convertible]: e1[#Error1#]; name=e1{{$}}
// THROW1-LOCAL-DAG: Decl[LocalVar]/Local/TypeRelation[Convertible]: e2[#Error2#]; name=e2{{$}}
}
func test003() {
do {} catch Error4.#^CATCH2^#
// CATCH2-DAG: Decl[EnumElement]/CurrNominal: E1[#Error4#]{{; name=.+$}}
// CATCH2-DAG: Decl[EnumElement]/CurrNominal: E2({#Int32#})[#Error4#]{{; name=.+$}}
}
func test004() {
throw Error4.#^THROW2^#
// THROW2-DAG: Decl[EnumElement]/CurrNominal/TypeRelation[Convertible]: E1[#Error4#]{{; name=.+$}}
// THROW2-DAG: Decl[EnumElement]/CurrNominal/TypeRelation[Convertible]: E2({#Int32#})[#Error4#]{{; name=.+$}}
}
func test005() {
do {} catch Error4.E2#^CATCH3^#
// CATCH3-DAG: Pattern/CurrModule/Flair[ArgLabels]: ({#Int32#})[#Error4#]{{; name=.+$}}
}
func testInvalid() {
try throw Error4.#^THROW3^#
// THROW3-DAG: Decl[EnumElement]/CurrNominal/TypeRelation[Convertible]: E1[#Error4#]{{; name=.+$}}
// THROW3-DAG: Decl[EnumElement]/CurrNominal/TypeRelation[Convertible]: E2({#Int32#})[#Error4#]{{; name=.+$}}
}
//===--- Top-level throw/catch
do {} catch #^TOP_LEVEL_CATCH1?check=CATCH1^# {}
throw #^TOP_LEVEL_THROW1?check=THROW1^#
do {} catch Error4.#^TOP_LEVEL_CATCH2?check=CATCH2^# {}
throw Error4.#^TOP_LEVEL_THROW2?check=THROW2^#
try throw Error4.#^TOP_LEVEL_THROW3?check=THROW3^#
//===--- Inside catch body
// Statement-level code completions. This isn't exhaustive.
// STMT-DAG: Keyword[if]/None: if; name=if
// STMT-DAG: Decl[Class]/CurrModule: Error1[#Error1#]; name=Error1
// STMT-DAG: Decl[Class]/CurrModule: Error2[#Error2#]; name=Error2
// STMT-DAG: Decl[FreeFunction]/CurrModule: getError1()[#Error1#]; name=getError1()
// STMT-DAG: Decl[FreeFunction]/CurrModule: getNSError()[#NSError#]; name=getNSError()
func test006() {
do {
} catch {
#^INSIDE_CATCH1?check=STMT,IMPLICIT_ERROR^#
}
// IMPLICIT_ERROR-DAG: Decl[LocalVar]/Local: error[#any Error#]; name=error
}
func test007() {
do {
} catch let e {
#^INSIDE_CATCH2?check=STMT,EXPLICIT_ERROR_E^#
}
// EXPLICIT_ERROR_E-DAG: Decl[LocalVar]/Local: e[#any Error#]; name=e
}
func test008() {
do {
} catch let e as NSError {
#^INSIDE_CATCH3?check=STMT,EXPLICIT_NSERROR_E^#
}
// EXPLICIT_NSERROR_E-DAG: Decl[LocalVar]/Local: e[#NSError#]; name=e
}
func test009() {
do {
} catch Error4.E2(let i) {
#^INSIDE_CATCH4?check=STMT,EXPLICIT_ERROR_PAYLOAD_I^#
}
// EXPLICIT_ERROR_PAYLOAD_I-DAG: Decl[LocalVar]/Local: i[#Int32#]; name=i
}
func test010() {
do {
} catch let awesomeError {
} catch let e {
#^INSIDE_CATCH5?check=STMT,EXPLICIT_ERROR_E;check=NO_ERROR_AND_A^#
} catch {}
// NO_ERROR_AND_A-NOT: awesomeError
// NO_ERROR_AND_A-NOT: Decl[LocalVar]/Local: error
}
func test011() {
do {
} catch let awesomeError {
} catch let excellentError {
} catch {}
#^INSIDE_CATCH6?check=STMT;check=NO_ERROR_AND_A,NO_E^#
// NO_E-NOT: excellentError
}
func test012() {
do {
} catch {
error.#^INSIDE_CATCH_ERR_DOT1?check=ERROR_DOT^#
}
}
// ERROR_DOT-DAG: Keyword[self]/CurrNominal: self[#any Error#]; name=self
func test013() {
do {
} catch let e {
e.#^INSIDE_CATCH_ERR_DOT2?check=ERROR_DOT^#
}
}
func test014() {
do {
} catch let e as NSError {
e.#^INSIDE_CATCH_ERR_DOT3?check=NSERROR_DOT^#
}
// NSERROR_DOT-DAG: Decl[InstanceVar]/CurrNominal/IsSystem: domain[#String#]; name=domain
// NSERROR_DOT-DAG: Decl[InstanceVar]/CurrNominal/IsSystem: code[#Int#]; name=code
// NSERROR_DOT-DAG: Decl[InstanceVar]/Super/IsSystem: hashValue[#Int#]; name=hashValue
// NSERROR_DOT-DAG: Decl[InstanceMethod]/Super/IsSystem: myClass()[#AnyClass!#]; name=myClass()
// NSERROR_DOT-DAG: Decl[InstanceMethod]/Super/IsSystem: isEqual({#(other): NSObject!#})[#Bool#]; name=isEqual(:)
// NSERROR_DOT-DAG: Decl[InstanceVar]/Super/IsSystem: hash[#Int#]; name=hash
// NSERROR_DOT-DAG: Decl[InstanceVar]/Super/IsSystem: description[#String#]; name=description
}
func test015() {
do {
} catch Error4.E2(let i) where i == 2 {
i.#^INSIDE_CATCH_ERR_DOT4?check=INT_DOT^#
}
}
// Check that we can complete on the bound value; Not exhaustive..
// INT_DOT-DAG: Decl[InstanceVar]/Super/IsSystem: bigEndian[#Int32#]; name=bigEndian
// INT_DOT-DAG: Decl[InstanceVar]/Super/IsSystem: littleEndian[#Int32#]; name=littleEndian
//===--- Inside catch body top-level
do {
} catch {
#^TOP_LEVEL_INSIDE_CATCH1?check=STMT,IMPLICIT_ERROR^#
}
do {
} catch {
error.#^TOP_LEVEL_INSIDE_CATCH_ERR_DOT1?check=ERROR_DOT^#
}
func canThrowError4() throws(Error4) {}
func test016() {
do {
try canThrowError4()
} catch .E2(let i) {
i.#^INSIDE_CATCH_TYPEDERR_DOT?check=INT_DOT^#
}
}
// https://github.com/swiftlang/swift/issues/85434
func issue85434() throws {
func foo() throws(Error4) {}
do {
try foo()
} catch let error {
switch error {
case .#^SWITCH_INSIDE_CATCH^#
// SWITCH_INSIDE_CATCH-DAG: Decl[EnumElement]/CurrNominal/Flair[ExprSpecific]/TypeRelation[Convertible]: E1[#Error4#]; name=E1
// SWITCH_INSIDE_CATCH-DAG: Decl[EnumElement]/CurrNominal/Flair[ExprSpecific]/TypeRelation[Convertible]: E2({#Int32#})[#Error4#]; name=E2()
default:
throw error
}
}
}