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https://github.com/carbon-language/carbon-lang.git
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Richard Smith
bc395eb889
When an `IntLiteral` appears as an operand of an `if` expression, convert it to `i32` for now, so that we don't reject things like `if cond then 1 else 2` due to having a non-constant value of type `IntLiteral`. For tuple indexing expressions such as `(a, b).0`, convert the index to type `IntLiteral`, not to type `i32`. This isn't strictly necessary to do in this PR, but avoids the need to provide an `IntLiteral` -> `i32` implicit conversion for `no_prelude` tests using this syntax.
52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
// 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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#include <gtest/gtest.h>
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#include "absl/flags/flag.h"
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#include "toolchain/diagnostics/diagnostic_kind.h"
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#include "toolchain/testing/coverage_helper.h"
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ABSL_FLAG(std::string, testdata_manifest, "",
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"A path to a file containing repo-relative names of test files.");
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namespace Carbon {
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namespace {
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constexpr DiagnosticKind DiagnosticKinds[] = {
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#define CARBON_DIAGNOSTIC_KIND(Name) DiagnosticKind::Name,
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#include "toolchain/diagnostics/diagnostic_kind.def"
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};
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constexpr DiagnosticKind UntestedDiagnosticKinds[] = {
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// These exist only for unit tests.
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DiagnosticKind::TestDiagnostic,
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DiagnosticKind::TestDiagnosticNote,
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// These diagnose filesystem issues that are hard to unit test.
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DiagnosticKind::ErrorReadingFile,
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DiagnosticKind::ErrorStattingFile,
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DiagnosticKind::FileTooLarge,
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// These aren't feasible to test with a normal testcase, but are tested in
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// lex/tokenized_buffer_test.cpp.
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DiagnosticKind::TooManyTokens,
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DiagnosticKind::UnsupportedCRLineEnding,
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DiagnosticKind::UnsupportedLFCRLineEnding,
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// This is a little long but is tested in lex/numeric_literal_test.cpp.
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DiagnosticKind::TooManyDigits,
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};
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// Looks for diagnostic kinds that aren't covered by a file_test.
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TEST(Coverage, DiagnosticKind) {
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Testing::TestKindCoverage(absl::GetFlag(FLAGS_testdata_manifest),
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R"(^ *// CHECK:STDERR: .*\.carbon:.* \[(\w+)\]$)",
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llvm::ArrayRef(DiagnosticKinds),
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llvm::ArrayRef(UntestedDiagnosticKinds));
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}
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} // namespace
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} // namespace Carbon
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