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fdb188ccfd
Implementation of unused pattern bindings #2022, continued. Whereas previous PR #6460 took care of parsing, and PR #6479 prepared the stage by using _ in some test cases, this PR has the the actual implementation, using a simple dataflow analysis. --------- Co-authored-by: Burak Emir <bqe@google.com> Co-authored-by: jonmeow <jperkins@google.com>
104 lines
3.9 KiB
Plaintext
104 lines
3.9 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/primitives.carbon
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/pointer/fail_address_of_value.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/pointer/fail_address_of_value.carbon
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fn G() -> i32;
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fn H() -> {.a: i32};
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fn AddressOfLiteral() {
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: &0;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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&0;
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: &true;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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&true;
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: &1.0;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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&1.0;
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: &"Hello";
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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&"Hello";
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: &(1, 2);
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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&(1, 2);
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: &{.a = 5};
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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&{.a = 5};
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}
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fn AddressOfOperator() {
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: &(true and false);
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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&(true and false);
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: &H().a;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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&H().a;
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: &(not true);
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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&(not true);
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}
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fn AddressOfCall() {
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: &G();
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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&G();
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}
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fn AddressOfType() {
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: &i32;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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&i32;
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: &(const i32*);
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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&(const i32*);
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}
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fn AddressOfTupleElementValue() {
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:3: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: &((1, 2).0);
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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&((1, 2).0);
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}
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fn AddressOfParam(param: i32) {
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// CHECK:STDERR: fail_address_of_value.carbon:[[@LINE+4]]:33: error: cannot take the address of non-reference expression [AddrOfNonRef]
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// CHECK:STDERR: var unused param_addr: i32* = ¶m;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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var unused param_addr: i32* = ¶m;
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}
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