1 files changed, 59 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/sksl/ir/SkSLDoStatement.cpp b/gfx/skia/skia/src/sksl/ir/SkSLDoStatement.cpp
new file mode 100644
index 0000000000..1a0a62e0aa
--- /dev/null
+++ b/gfx/skia/skia/src/sksl/ir/SkSLDoStatement.cpp
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2021 Google LLC
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "src/sksl/ir/SkSLDoStatement.h"
+
+#include "include/core/SkTypes.h"
+#include "include/sksl/SkSLErrorReporter.h"
+#include "src/sksl/SkSLAnalysis.h"
+#include "src/sksl/SkSLBuiltinTypes.h"
+#include "src/sksl/SkSLContext.h"
+#include "src/sksl/SkSLProgramSettings.h"
+#include "src/sksl/ir/SkSLType.h"
+
+namespace SkSL {
+
+std::unique_ptr<Statement> DoStatement::Convert(const Context& context,
+                                                Position pos,
+                                                std::unique_ptr<Statement> stmt,
+                                                std::unique_ptr<Expression> test) {
+    if (context.fConfig->strictES2Mode()) {
+        context.fErrors->error(pos, "do-while loops are not supported");
+        return nullptr;
+    }
+    test = context.fTypes.fBool->coerceExpression(std::move(test), context);
+    if (!test) {
+        return nullptr;
+    }
+    if (Analysis::DetectVarDeclarationWithoutScope(*stmt, context.fErrors)) {
+        return nullptr;
+    }
+    return DoStatement::Make(context, pos, std::move(stmt), std::move(test));
+}
+
+std::unique_ptr<Statement> DoStatement::Make(const Context& context,
+                                             Position pos,
+                                             std::unique_ptr<Statement> stmt,
+                                             std::unique_ptr<Expression> test) {
+    SkASSERT(!context.fConfig->strictES2Mode());
+    SkASSERT(test->type().matches(*context.fTypes.fBool));
+    SkASSERT(!Analysis::DetectVarDeclarationWithoutScope(*stmt));
+    return std::make_unique<DoStatement>(pos, std::move(stmt), std::move(test));
+}
+
+std::unique_ptr<Statement> DoStatement::clone() const {
+    return std::make_unique<DoStatement>(fPosition, this->statement()->clone(),
+                                         this->test()->clone());
+}
+
+std::string DoStatement::description() const {
+    return "do " + this->statement()->description() +
+           " while (" + this->test()->description() + ");";
+}
+
+}  // namespace SkSL
+