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/MIRParserUtilities.h | 85 ------------------------------------
 1 file changed, 85 deletions(-)
 delete mode 100644 backend/lib/MIR/MIRParserUtilities.h

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

diff --git a/backend/lib/MIR/MIRParserUtilities.h b/backend/lib/MIR/MIRParserUtilities.h
deleted file mode 100644
index 2f69548..0000000
--- a/backend/lib/MIR/MIRParserUtilities.h
+++ /dev/null
@@ -1,85 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-// NOLINTNEXTLINE(llvm-header-guard)
-#ifndef RCC_LIB_MIR_MIRPARSERUTILITIES_H
-#define RCC_LIB_MIR_MIRPARSERUTILITIES_H
-
-#include <charconv>
-#include <cstdint>
-#include <limits>
-#include <optional>
-#include <string_view>
-
-namespace rcc::mir::parser_detail {
-
-[[nodiscard]] inline std::string_view trim(std::string_view Text) noexcept {
-  while (!Text.empty() && (Text.front() == ' ' || Text.front() == '\t' || Text.front() == '\r' ||
-                           Text.front() == '\n')) {
-    Text.remove_prefix(1);
-  }
-  while (!Text.empty() && (Text.back() == ' ' || Text.back() == '\t' || Text.back() == '\r' ||
-                           Text.back() == '\n')) {
-    Text.remove_suffix(1);
-  }
-  return Text;
-}
-
-[[nodiscard]] inline bool parseUnsigned(std::string_view Text, std::uint64_t &Value) noexcept {
-  Text = trim(Text);
-  int Base = 10;
-  if (Text.starts_with("0x") || Text.starts_with("0X")) {
-    Text.remove_prefix(2);
-    Base = 16;
-  }
-  if (Text.empty())
-    return false;
-  const auto [End, Error] = std::from_chars(Text.data(), Text.data() + Text.size(), Value, Base);
-  return Error == std::errc{} && End == Text.data() + Text.size();
-}
-
-[[nodiscard]] inline bool parseSigned(std::string_view Text, std::int64_t &Value) noexcept {
-  Text = trim(Text);
-  if (Text.empty())
-    return false;
-  const auto [End, Error] = std::from_chars(Text.data(), Text.data() + Text.size(), Value, 10);
-  return Error == std::errc{} && End == Text.data() + Text.size();
-}
-
-[[nodiscard]] inline bool parseUnsigned32(std::string_view Text, std::uint32_t &Value) noexcept {
-  std::uint64_t Wide = 0;
-  if (!parseUnsigned(Text, Wide) || Wide > std::numeric_limits<std::uint32_t>::max())
-    return false;
-  Value = static_cast<std::uint32_t>(Wide);
-  return true;
-}
-
-[[nodiscard]] inline bool parseBool(std::string_view Text, bool &Value) noexcept {
-  if (Text == "true") {
-    Value = true;
-    return true;
-  }
-  if (Text == "false") {
-    Value = false;
-    return true;
-  }
-  return false;
-}
-
-[[nodiscard]] inline std::optional<std::uint32_t>
-parsePrefixedID(std::string_view Text, std::string_view Prefix) noexcept {
-  Text = trim(Text);
-  if (!Text.starts_with(Prefix))
-    return std::nullopt;
-  Text.remove_prefix(Prefix.size());
-  const std::size_t Suffix = Text.find_first_of(". \t");
-  if (Suffix != std::string_view::npos)
-    Text = Text.substr(0, Suffix);
-  std::uint32_t ID = 0;
-  if (!parseUnsigned32(Text, ID))
-    return std::nullopt;
-  return ID;
-}
-
-} // namespace rcc::mir::parser_detail
-
-#endif // RCC_LIB_MIR_MIRPARSERUTILITIES_H
-- 
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