swift-mirror/test/decl/func/debugger_function.swift

// RUN: %target-typecheck-verify-swift -enable-throw-without-try -debugger-support

var invalidAccessor : Int {
  // expected-error@+1 {{@LLDBDebuggerFunction may only be used on 'func' declarations}} {{1-+1:1=}}
  @LLDBDebuggerFunction
  get { return 42 }
}

func foo() throws -> Int { return 0 }

@LLDBDebuggerFunction
func test0() throws -> Int {
  var x: Int = 0
  x = foo()
  x = try foo()
  return x
}

@LLDBDebuggerFunction
func test1() -> Int {
  do {
    var x: Int = 0
    x = foo()
    x = try foo()
    return x
  } catch {
    return 0
  }
}

@LLDBDebuggerFunction
func test2() -> Int {
  do {
    do {
      var x: Int = 0
      x = foo() // expected-error {{call can throw but is not marked with 'try'}}
      // expected-note@-1 {{did you mean to use 'try'?}} {{11-11=try }}
      // expected-note@-2 {{did you mean to handle error as optional value?}} {{11-11=try? }}
      // expected-note@-3 {{did you mean to disable error propagation?}} {{11-11=try! }}
      x = try foo()
      return x
    } catch {
      return 0
    }
  } catch {
    return 0
  }
}

@LLDBDebuggerFunction
func test3() {
  do {
  } catch {
  }
}

@LLDBDebuggerFunction
func test4() {
  do {
    do {}
    catch {} // expected-warning {{'catch' block is unreachable because no errors are thrown in 'do' block}}
  } catch {
  }
}