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// Copyright 2022 The Dawn & Tint Authors
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#ifndef SRC_TINT_LANG_WGSL_AST_TRANSFORM_REMOVE_CONTINUE_IN_SWITCH_H_
#define SRC_TINT_LANG_WGSL_AST_TRANSFORM_REMOVE_CONTINUE_IN_SWITCH_H_
#include "src/tint/lang/wgsl/ast/transform/transform.h"
namespace tint::ast::transform {
/// This transform replaces continue statements in switch cases with setting a
/// bool variable, and checking if the variable is set after the switch to
/// continue. It is necessary to work around various issues including:
/// * FXC "error X3708: continue cannot be used in a switch". See crbug.com/tint/1080.
/// * MSL and GLSL invalid code-gen. See crbug.com/tint/2039.
class RemoveContinueInSwitch final
: public Castable<RemoveContinueInSwitch, ast::transform::Transform> {
public:
/// Constructor
RemoveContinueInSwitch();
/// Destructor
~RemoveContinueInSwitch() override;
/// @copydoc ast::transform::Transform::Apply
ApplyResult Apply(const Program& program,
const ast::transform::DataMap& inputs,
ast::transform::DataMap& outputs) const override;
private:
struct State;
};
} // namespace tint::ast::transform
#endif // SRC_TINT_LANG_WGSL_AST_TRANSFORM_REMOVE_CONTINUE_IN_SWITCH_H_