carbon-lang/toolchain/check/testdata/pointer/fail_address_of_value.carbon

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/primitives.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/pointer/fail_address_of_value.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/pointer/fail_address_of_value.carbon

fn G() -> i32;

fn H() -> {.a: i32};

fn AddressOfLiteral() {
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
  // CHECK:STDERR:   &0;
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  &0;
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
  // CHECK:STDERR:   &true;
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  &true;
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
  // CHECK:STDERR:   &1.0;
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  &1.0;
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
  // CHECK:STDERR:   &"Hello";
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  &"Hello";
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
  // CHECK:STDERR:   &(1, 2);
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  &(1, 2);
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
  // CHECK:STDERR:   &{.a = 5};
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  &{.a = 5};
}

fn AddressOfOperator() {
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
  // CHECK:STDERR:   &(true and false);
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  &(true and false);
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of a temporary object [AddrOfEphemeralRef]
  // CHECK:STDERR:   &H().a;
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  &H().a;
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
  // CHECK:STDERR:   &(not true);
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  &(not true);
}

fn AddressOfCall() {
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
  // CHECK:STDERR:   &G();
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  &G();
}

fn AddressOfType() {
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
  // CHECK:STDERR:   &i32;
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  &i32;
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
  // CHECK:STDERR:   &(const i32*);
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  &(const i32*);
}

fn AddressOfTupleElementValue() {
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
  // CHECK:STDERR:   &((1, 2).0);
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  &((1, 2).0);
}

fn AddressOfParam(param: i32) {
  // CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:26: error: cannot take the address of non-reference expression [AddrOfNonRef]
  // CHECK:STDERR:   var param_addr: i32* = &param;
  // CHECK:STDERR:                          ^
  // CHECK:STDERR:
  var param_addr: i32* = &param;
}