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Merge pull request #2327 from ReinUsesLisp/crash-safe-visit

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gl_shader_decompiler: Return early when an operation is invalid
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bunnei 2019-04-05 23:36:18 -04:00 committed by GitHub
commit 520e4e5d4b
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1 changed files with 6 additions and 1 deletions
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src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -426,9 +426,14 @@ private:
std::string Visit(Node node) { std::string Visit(Node node) {
if (const auto operation = std::get_if<OperationNode>(node)) { if (const auto operation = std::get_if<OperationNode>(node)) {
const auto operation_index = static_cast<std::size_t>(operation->GetCode()); const auto operation_index = static_cast<std::size_t>(operation->GetCode());
if (operation_index >= operation_decompilers.size()) {
UNREACHABLE_MSG("Out of bounds operation: {}", operation_index);
return {};
}
const auto decompiler = operation_decompilers[operation_index]; const auto decompiler = operation_decompilers[operation_index];
if (decompiler == nullptr) { if (decompiler == nullptr) {
UNREACHABLE_MSG("Operation decompiler {} not defined", operation_index); UNREACHABLE_MSG("Undefined operation: {}", operation_index);
return {};
} }
return (this->*decompiler)(*operation); return (this->*decompiler)(*operation);