|  | // Copyright 2020 The Dawn & Tint Authors | 
|  | // | 
|  | // Redistribution and use in source and binary forms, with or without | 
|  | // modification, are permitted provided that the following conditions are met: | 
|  | // | 
|  | // 1. Redistributions of source code must retain the above copyright notice, this | 
|  | //    list of conditions and the following disclaimer. | 
|  | // | 
|  | // 2. Redistributions in binary form must reproduce the above copyright notice, | 
|  | //    this list of conditions and the following disclaimer in the documentation | 
|  | //    and/or other materials provided with the distribution. | 
|  | // | 
|  | // 3. Neither the name of the copyright holder nor the names of its | 
|  | //    contributors may be used to endorse or promote products derived from | 
|  | //    this software without specific prior written permission. | 
|  | // | 
|  | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | 
|  | // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
|  | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 
|  | // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | 
|  | // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
|  | // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | 
|  | // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | 
|  | // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | 
|  | // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
|  | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
|  |  | 
|  | #include "src/tint/utils/diagnostic/diagnostic.h" | 
|  |  | 
|  | #include <unordered_map> | 
|  |  | 
|  | #include "src/tint/utils/diagnostic/formatter.h" | 
|  | #include "src/tint/utils/text/styled_text.h" | 
|  |  | 
|  | namespace tint::diag { | 
|  |  | 
|  | namespace { | 
|  | size_t CountErrors(VectorRef<Diagnostic> diags) { | 
|  | size_t count = 0; | 
|  | for (auto& diag : diags) { | 
|  | if (diag.severity >= Severity::Error) { | 
|  | count++; | 
|  | } | 
|  | } | 
|  | return count; | 
|  | } | 
|  | }  // namespace | 
|  |  | 
|  | Diagnostic::Diagnostic() = default; | 
|  | Diagnostic::Diagnostic(const Diagnostic&) = default; | 
|  | Diagnostic::~Diagnostic() = default; | 
|  | Diagnostic& Diagnostic::operator=(const Diagnostic&) = default; | 
|  |  | 
|  | List::List() = default; | 
|  | List::List(std::initializer_list<Diagnostic> list) | 
|  | : entries_(list), error_count_(CountErrors(entries_)) {} | 
|  | List::List(VectorRef<Diagnostic> list) | 
|  | : entries_(std::move(list)), error_count_(CountErrors(entries_)) {} | 
|  |  | 
|  | List::List(const List& rhs) = default; | 
|  |  | 
|  | List::List(List&& rhs) = default; | 
|  |  | 
|  | List::~List() = default; | 
|  |  | 
|  | List& List::operator=(const List& rhs) = default; | 
|  |  | 
|  | List& List::operator=(List&& rhs) = default; | 
|  |  | 
|  | std::string List::Str() const { | 
|  | diag::Formatter::Style style; | 
|  | style.print_newline_at_end = false; | 
|  | return Formatter{style}.Format(*this).Plain(); | 
|  | } | 
|  |  | 
|  | Failure::Failure() = default; | 
|  |  | 
|  | Failure::Failure(std::string_view err) { | 
|  | reason.AddError(Source{}) << err; | 
|  | } | 
|  |  | 
|  | Failure::Failure(diag::Diagnostic diagnostic) : reason(diag::List{std::move(diagnostic)}) {} | 
|  |  | 
|  | Failure::Failure(diag::List diagnostics) : reason(std::move(diagnostics)) {} | 
|  |  | 
|  | }  // namespace tint::diag |