From d62f022c92fcc3ebe2269273628943a0089683fd Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Thu, 13 Aug 2026 06:19:30 +0800
Subject: [CodeGen] Align MIR parser and printer ownership

---
 backend/lib/MIR/MIRMetadataTextParser.h | 74 ---------------------------------
 1 file changed, 74 deletions(-)
 delete mode 100644 backend/lib/MIR/MIRMetadataTextParser.h

(limited to 'backend/lib/MIR/MIRMetadataTextParser.h')

diff --git a/backend/lib/MIR/MIRMetadataTextParser.h b/backend/lib/MIR/MIRMetadataTextParser.h
deleted file mode 100644
index 032523d..0000000
--- a/backend/lib/MIR/MIRMetadataTextParser.h
+++ /dev/null
@@ -1,74 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-// NOLINTNEXTLINE(llvm-header-guard)
-#ifndef RCC_LIB_MIR_MIRMETADATATEXTPARSER_H
-#define RCC_LIB_MIR_MIRMETADATATEXTPARSER_H
-
-#include "rcc/CodeGen/MachineDebugInfo.h"
-#include "rcc/CodeGen/MachineMetadata.h"
-#include "rcc/MIR/MILexer.h"
-#include "rcc/Support/Error.h"
-
-#include <cstddef>
-#include <cstdint>
-#include <functional>
-#include <optional>
-#include <string>
-#include <string_view>
-#include <utility>
-#include <vector>
-
-namespace rcc::mir {
-
-class MetadataTextParser final {
-public:
-  using Resolver = std::function<Expected<MachineMetadataReference>(std::uint32_t Slot)>;
-
-  MetadataTextParser(std::string Text, Resolver Resolve)
-      : Lexer("MIR metadata scalar", std::move(Text)), Resolve(std::move(Resolve)) {
-    do {
-      Tokens.push_back(Lexer.next());
-    } while (!Tokens.back().isErrorOrEnd());
-  }
-
-  [[nodiscard]] Expected<MachineMetadataReference> parseReferenceOnly();
-  [[nodiscard]] Expected<MachineMetadataValue> parseValue();
-  [[nodiscard]] Expected<MachineDebugLocation> parseLocation();
-
-  [[nodiscard]] const TextRange &diagnosticRange() const noexcept {
-    return token().range();
-  }
-
-private:
-  [[nodiscard]] const MIToken &token() const noexcept {
-    return Tokens[Position];
-  }
-  [[nodiscard]] bool at(MITokenKind Kind) const noexcept {
-    return token().is(Kind);
-  }
-  void advance() noexcept {
-    if (Position + 1U < Tokens.size())
-      ++Position;
-  }
-  [[nodiscard]] bool consume(MITokenKind Kind) noexcept {
-    if (!at(Kind))
-      return false;
-    advance();
-    return true;
-  }
-  [[nodiscard]] Expected<void> expect(MITokenKind Kind, std::string_view Description);
-  [[nodiscard]] Expected<void> finish();
-  [[nodiscard]] Expected<MachineMetadataReference> parseReference();
-  [[nodiscard]] Expected<MachineDIExpression> parseExpression();
-  [[nodiscard]] Expected<void> parseDILocation(std::vector<MachineDILocationFrame> &Frames,
-                                               std::optional<MachineMetadataReference> &Terminal);
-
-  MILexer Lexer;
-  Resolver Resolve;
-  std::vector<MIToken> Tokens;
-  std::size_t Position = 0;
-};
-
-} // namespace rcc::mir
-
-#endif // RCC_LIB_MIR_MIRMETADATATEXTPARSER_H
-- 
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