1 files changed, 0 insertions, 398 deletions
diff --git a/src/video_core/shader/ast.h b/src/video_core/shader/ast.h
deleted file mode 100644
index dc49b369e..000000000
--- a/src/video_core/shader/ast.h
+++ /dev/null
@@ -1,398 +0,0 @@
-// Copyright 2019 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <functional>
-#include <list>
-#include <memory>
-#include <optional>
-#include <string>
-#include <unordered_map>
-#include <vector>
-
-#include "video_core/shader/expr.h"
-#include "video_core/shader/node.h"
-
-namespace VideoCommon::Shader {
-
-class ASTBase;
-class ASTBlockDecoded;
-class ASTBlockEncoded;
-class ASTBreak;
-class ASTDoWhile;
-class ASTGoto;
-class ASTIfElse;
-class ASTIfThen;
-class ASTLabel;
-class ASTProgram;
-class ASTReturn;
-class ASTVarSet;
-
-using ASTData = std::variant<ASTProgram, ASTIfThen, ASTIfElse, ASTBlockEncoded, ASTBlockDecoded,
-                             ASTVarSet, ASTGoto, ASTLabel, ASTDoWhile, ASTReturn, ASTBreak>;
-
-using ASTNode = std::shared_ptr<ASTBase>;
-
-enum class ASTZipperType : u32 {
-    Program,
-    IfThen,
-    IfElse,
-    Loop,
-};
-
-class ASTZipper final {
-public:
-    explicit ASTZipper();
-
-    void Init(ASTNode first, ASTNode parent);
-
-    ASTNode GetFirst() const {
-        return first;
-    }
-
-    ASTNode GetLast() const {
-        return last;
-    }
-
-    void PushBack(ASTNode new_node);
-    void PushFront(ASTNode new_node);
-    void InsertAfter(ASTNode new_node, ASTNode at_node);
-    void InsertBefore(ASTNode new_node, ASTNode at_node);
-    void DetachTail(ASTNode node);
-    void DetachSingle(ASTNode node);
-    void DetachSegment(ASTNode start, ASTNode end);
-    void Remove(ASTNode node);
-
-    ASTNode first;
-    ASTNode last;
-};
-
-class ASTProgram {
-public:
-    ASTZipper nodes{};
-};
-
-class ASTIfThen {
-public:
-    explicit ASTIfThen(Expr condition_) : condition{std::move(condition_)} {}
-    Expr condition;
-    ASTZipper nodes{};
-};
-
-class ASTIfElse {
-public:
-    ASTZipper nodes{};
-};
-
-class ASTBlockEncoded {
-public:
-    explicit ASTBlockEncoded(u32 start_, u32 _) : start{start_}, end{_} {}
-    u32 start;
-    u32 end;
-};
-
-class ASTBlockDecoded {
-public:
-    explicit ASTBlockDecoded(NodeBlock&& new_nodes_) : nodes(std::move(new_nodes_)) {}
-    NodeBlock nodes;
-};
-
-class ASTVarSet {
-public:
-    explicit ASTVarSet(u32 index_, Expr condition_)
-        : index{index_}, condition{std::move(condition_)} {}
-
-    u32 index;
-    Expr condition;
-};
-
-class ASTLabel {
-public:
-    explicit ASTLabel(u32 index_) : index{index_} {}
-    u32 index;
-    bool unused{};
-};
-
-class ASTGoto {
-public:
-    explicit ASTGoto(Expr condition_, u32 label_)
-        : condition{std::move(condition_)}, label{label_} {}
-
-    Expr condition;
-    u32 label;
-};
-
-class ASTDoWhile {
-public:
-    explicit ASTDoWhile(Expr condition_) : condition{std::move(condition_)} {}
-    Expr condition;
-    ASTZipper nodes{};
-};
-
-class ASTReturn {
-public:
-    explicit ASTReturn(Expr condition_, bool kills_)
-        : condition{std::move(condition_)}, kills{kills_} {}
-
-    Expr condition;
-    bool kills;
-};
-
-class ASTBreak {
-public:
-    explicit ASTBreak(Expr condition_) : condition{std::move(condition_)} {}
-    Expr condition;
-};
-
-class ASTBase {
-public:
-    explicit ASTBase(ASTNode parent_, ASTData data_)
-        : data{std::move(data_)}, parent{std::move(parent_)} {}
-
-    template <class U, class... Args>
-    static ASTNode Make(ASTNode parent, Args&&... args) {
-        return std::make_shared<ASTBase>(std::move(parent),
-                                         ASTData(U(std::forward<Args>(args)...)));
-    }
-
-    void SetParent(ASTNode new_parent) {
-        parent = std::move(new_parent);
-    }
-
-    ASTNode& GetParent() {
-        return parent;
-    }
-
-    const ASTNode& GetParent() const {
-        return parent;
-    }
-
-    u32 GetLevel() const {
-        u32 level = 0;
-        auto next_parent = parent;
-        while (next_parent) {
-            next_parent = next_parent->GetParent();
-            level++;
-        }
-        return level;
-    }
-
-    ASTData* GetInnerData() {
-        return &data;
-    }
-
-    const ASTData* GetInnerData() const {
-        return &data;
-    }
-
-    ASTNode GetNext() const {
-        return next;
-    }
-
-    ASTNode GetPrevious() const {
-        return previous;
-    }
-
-    ASTZipper& GetManager() {
-        return *manager;
-    }
-
-    const ASTZipper& GetManager() const {
-        return *manager;
-    }
-
-    std::optional<u32> GetGotoLabel() const {
-        if (const auto* inner = std::get_if<ASTGoto>(&data)) {
-            return {inner->label};
-        }
-        return std::nullopt;
-    }
-
-    Expr GetGotoCondition() const {
-        if (const auto* inner = std::get_if<ASTGoto>(&data)) {
-            return inner->condition;
-        }
-        return nullptr;
-    }
-
-    void MarkLabelUnused() {
-        if (auto* inner = std::get_if<ASTLabel>(&data)) {
-            inner->unused = true;
-        }
-    }
-
-    bool IsLabelUnused() const {
-        if (const auto* inner = std::get_if<ASTLabel>(&data)) {
-            return inner->unused;
-        }
-        return true;
-    }
-
-    std::optional<u32> GetLabelIndex() const {
-        if (const auto* inner = std::get_if<ASTLabel>(&data)) {
-            return {inner->index};
-        }
-        return std::nullopt;
-    }
-
-    Expr GetIfCondition() const {
-        if (const auto* inner = std::get_if<ASTIfThen>(&data)) {
-            return inner->condition;
-        }
-        return nullptr;
-    }
-
-    void SetGotoCondition(Expr new_condition) {
-        if (auto* inner = std::get_if<ASTGoto>(&data)) {
-            inner->condition = std::move(new_condition);
-        }
-    }
-
-    bool IsIfThen() const {
-        return std::holds_alternative<ASTIfThen>(data);
-    }
-
-    bool IsIfElse() const {
-        return std::holds_alternative<ASTIfElse>(data);
-    }
-
-    bool IsBlockEncoded() const {
-        return std::holds_alternative<ASTBlockEncoded>(data);
-    }
-
-    void TransformBlockEncoded(NodeBlock&& nodes) {
-        data = ASTBlockDecoded(std::move(nodes));
-    }
-
-    bool IsLoop() const {
-        return std::holds_alternative<ASTDoWhile>(data);
-    }
-
-    ASTZipper* GetSubNodes() {
-        if (std::holds_alternative<ASTProgram>(data)) {
-            return &std::get_if<ASTProgram>(&data)->nodes;
-        }
-        if (std::holds_alternative<ASTIfThen>(data)) {
-            return &std::get_if<ASTIfThen>(&data)->nodes;
-        }
-        if (std::holds_alternative<ASTIfElse>(data)) {
-            return &std::get_if<ASTIfElse>(&data)->nodes;
-        }
-        if (std::holds_alternative<ASTDoWhile>(data)) {
-            return &std::get_if<ASTDoWhile>(&data)->nodes;
-        }
-        return nullptr;
-    }
-
-    void Clear() {
-        next.reset();
-        previous.reset();
-        parent.reset();
-        manager = nullptr;
-    }
-
-private:
-    friend class ASTZipper;
-
-    ASTData data;
-    ASTNode parent;
-    ASTNode next;
-    ASTNode previous;
-    ASTZipper* manager{};
-};
-
-class ASTManager final {
-public:
-    explicit ASTManager(bool do_full_decompile, bool disable_else_derivation_);
-    ~ASTManager();
-
-    ASTManager(const ASTManager& o) = delete;
-    ASTManager& operator=(const ASTManager& other) = delete;
-
-    ASTManager(ASTManager&& other) noexcept = default;
-    ASTManager& operator=(ASTManager&& other) noexcept = default;
-
-    void Init();
-
-    void DeclareLabel(u32 address);
-
-    void InsertLabel(u32 address);
-
-    void InsertGoto(Expr condition, u32 address);
-
-    void InsertBlock(u32 start_address, u32 end_address);
-
-    void InsertReturn(Expr condition, bool kills);
-
-    std::string Print() const;
-
-    void Decompile();
-
-    void ShowCurrentState(std::string_view state) const;
-
-    void SanityCheck() const;
-
-    void Clear();
-
-    bool IsFullyDecompiled() const {
-        if (full_decompile) {
-            return gotos.empty();
-        }
-
-        for (ASTNode goto_node : gotos) {
-            auto label_index = goto_node->GetGotoLabel();
-            if (!label_index) {
-                return false;
-            }
-            ASTNode glabel = labels[*label_index];
-            if (IsBackwardsJump(goto_node, glabel)) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    ASTNode GetProgram() const {
-        return main_node;
-    }
-
-    u32 GetVariables() const {
-        return variables;
-    }
-
-    const std::vector<ASTNode>& GetLabels() const {
-        return labels;
-    }
-
-private:
-    bool IsBackwardsJump(ASTNode goto_node, ASTNode label_node) const;
-
-    bool IndirectlyRelated(const ASTNode& first, const ASTNode& second) const;
-
-    bool DirectlyRelated(const ASTNode& first, const ASTNode& second) const;
-
-    void EncloseDoWhile(ASTNode goto_node, ASTNode label);
-
-    void EncloseIfThen(ASTNode goto_node, ASTNode label);
-
-    void MoveOutward(ASTNode goto_node);
-
-    u32 NewVariable() {
-        return variables++;
-    }
-
-    bool full_decompile{};
-    bool disable_else_derivation{};
-    std::unordered_map<u32, u32> labels_map{};
-    u32 labels_count{};
-    std::vector<ASTNode> labels{};
-    std::list<ASTNode> gotos{};
-    u32 variables{};
-    ASTProgram* program{};
-    ASTNode main_node{};
-    Expr false_condition{};
-};
-
-} // namespace VideoCommon::Shader