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Merge pull request #2994 from lioncash/fmt
video_core/shader/ast: Minor changes to ASTPrinter
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commit
dc5eedef71
@ -3,6 +3,9 @@
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// Refer to the license.txt file included.
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#include <string>
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#include <string_view>
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#include <fmt/format.h>
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#include "common/assert.h"
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#include "common/common_types.h"
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@ -229,7 +232,8 @@ public:
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return inner;
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}
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std::string inner{};
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private:
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std::string inner;
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};
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class ASTPrinter {
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@ -249,7 +253,7 @@ public:
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void operator()(const ASTIfThen& ast) {
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ExprPrinter expr_parser{};
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std::visit(expr_parser, *ast.condition);
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inner += Ident() + "if (" + expr_parser.GetResult() + ") {\n";
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inner += fmt::format("{}if ({}) {{\n", Indent(), expr_parser.GetResult());
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scope++;
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ASTNode current = ast.nodes.GetFirst();
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while (current) {
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@ -257,11 +261,13 @@ public:
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current = current->GetNext();
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}
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scope--;
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inner += Ident() + "}\n";
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inner += fmt::format("{}}}\n", Indent());
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}
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void operator()(const ASTIfElse& ast) {
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inner += Ident() + "else {\n";
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inner += Indent();
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inner += "else {\n";
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scope++;
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ASTNode current = ast.nodes.GetFirst();
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while (current) {
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@ -269,40 +275,41 @@ public:
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current = current->GetNext();
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}
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scope--;
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inner += Ident() + "}\n";
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inner += Indent();
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inner += "}\n";
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}
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void operator()(const ASTBlockEncoded& ast) {
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inner += Ident() + "Block(" + std::to_string(ast.start) + ", " + std::to_string(ast.end) +
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");\n";
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inner += fmt::format("{}Block({}, {});\n", Indent(), ast.start, ast.end);
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}
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void operator()(const ASTBlockDecoded& ast) {
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inner += Ident() + "Block;\n";
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void operator()([[maybe_unused]] const ASTBlockDecoded& ast) {
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inner += Indent();
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inner += "Block;\n";
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}
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void operator()(const ASTVarSet& ast) {
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ExprPrinter expr_parser{};
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std::visit(expr_parser, *ast.condition);
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inner +=
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Ident() + "V" + std::to_string(ast.index) + " := " + expr_parser.GetResult() + ";\n";
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inner += fmt::format("{}V{} := {};\n", Indent(), ast.index, expr_parser.GetResult());
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}
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void operator()(const ASTLabel& ast) {
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inner += "Label_" + std::to_string(ast.index) + ":\n";
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inner += fmt::format("Label_{}:\n", ast.index);
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}
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void operator()(const ASTGoto& ast) {
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ExprPrinter expr_parser{};
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std::visit(expr_parser, *ast.condition);
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inner += Ident() + "(" + expr_parser.GetResult() + ") -> goto Label_" +
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std::to_string(ast.label) + ";\n";
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inner +=
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fmt::format("{}({}) -> goto Label_{};\n", Indent(), expr_parser.GetResult(), ast.label);
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}
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void operator()(const ASTDoWhile& ast) {
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ExprPrinter expr_parser{};
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std::visit(expr_parser, *ast.condition);
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inner += Ident() + "do {\n";
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inner += fmt::format("{}do {{\n", Indent());
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scope++;
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ASTNode current = ast.nodes.GetFirst();
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while (current) {
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@ -310,32 +317,23 @@ public:
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current = current->GetNext();
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}
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scope--;
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inner += Ident() + "} while (" + expr_parser.GetResult() + ");\n";
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inner += fmt::format("{}}} while ({});\n", Indent(), expr_parser.GetResult());
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}
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void operator()(const ASTReturn& ast) {
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ExprPrinter expr_parser{};
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std::visit(expr_parser, *ast.condition);
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inner += Ident() + "(" + expr_parser.GetResult() + ") -> " +
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(ast.kills ? "discard" : "exit") + ";\n";
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inner += fmt::format("{}({}) -> {};\n", Indent(), expr_parser.GetResult(),
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ast.kills ? "discard" : "exit");
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}
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void operator()(const ASTBreak& ast) {
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ExprPrinter expr_parser{};
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std::visit(expr_parser, *ast.condition);
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inner += Ident() + "(" + expr_parser.GetResult() + ") -> break;\n";
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inner += fmt::format("{}({}) -> break;\n", Indent(), expr_parser.GetResult());
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}
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std::string& Ident() {
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if (memo_scope == scope) {
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return tabs_memo;
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}
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tabs_memo = tabs.substr(0, scope * 2);
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memo_scope = scope;
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return tabs_memo;
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}
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void Visit(ASTNode& node) {
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void Visit(const ASTNode& node) {
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std::visit(*this, *node->GetInnerData());
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}
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@ -344,16 +342,29 @@ public:
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}
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private:
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std::string_view Indent() {
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if (space_segment_scope == scope) {
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return space_segment;
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}
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// Ensure that we don't exceed our view.
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ASSERT(scope * 2 < spaces.size());
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space_segment = spaces.substr(0, scope * 2);
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space_segment_scope = scope;
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return space_segment;
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}
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std::string inner{};
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std::string_view space_segment;
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u32 scope{};
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u32 space_segment_scope{};
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std::string tabs_memo{};
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u32 memo_scope{};
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static constexpr std::string_view tabs{" "};
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static constexpr std::string_view spaces{" "};
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};
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std::string ASTManager::Print() {
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std::string ASTManager::Print() const {
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ASTPrinter printer{};
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printer.Visit(main_node);
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return printer.GetResult();
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@ -549,13 +560,13 @@ bool ASTManager::DirectlyRelated(const ASTNode& first, const ASTNode& second) co
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return min->GetParent() == max->GetParent();
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}
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void ASTManager::ShowCurrentState(std::string_view state) {
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void ASTManager::ShowCurrentState(std::string_view state) const {
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LOG_CRITICAL(HW_GPU, "\nState {}:\n\n{}\n", state, Print());
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SanityCheck();
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}
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void ASTManager::SanityCheck() {
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for (auto& label : labels) {
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void ASTManager::SanityCheck() const {
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for (const auto& label : labels) {
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if (!label->GetParent()) {
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LOG_CRITICAL(HW_GPU, "Sanity Check Failed");
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}
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@ -328,13 +328,13 @@ public:
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void InsertReturn(Expr condition, bool kills);
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std::string Print();
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std::string Print() const;
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void Decompile();
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void ShowCurrentState(std::string_view state);
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void ShowCurrentState(std::string_view state) const;
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void SanityCheck();
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void SanityCheck() const;
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void Clear();
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