diff options
| author | orivej <[email protected]> | 2022-02-10 16:45:01 +0300 |
|---|---|---|
| committer | Daniil Cherednik <[email protected]> | 2022-02-10 16:45:01 +0300 |
| commit | 2d37894b1b037cf24231090eda8589bbb44fb6fc (patch) | |
| tree | be835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/llvm12/include/llvm/TableGen/StringToOffsetTable.h | |
| parent | 718c552901d703c502ccbefdfc3c9028d608b947 (diff) | |
Restoring authorship annotation for <[email protected]>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/llvm12/include/llvm/TableGen/StringToOffsetTable.h')
| -rw-r--r-- | contrib/libs/llvm12/include/llvm/TableGen/StringToOffsetTable.h | 230 |
1 files changed, 115 insertions, 115 deletions
diff --git a/contrib/libs/llvm12/include/llvm/TableGen/StringToOffsetTable.h b/contrib/libs/llvm12/include/llvm/TableGen/StringToOffsetTable.h index ce35f6233d7..695eb0c5fc9 100644 --- a/contrib/libs/llvm12/include/llvm/TableGen/StringToOffsetTable.h +++ b/contrib/libs/llvm12/include/llvm/TableGen/StringToOffsetTable.h @@ -1,115 +1,115 @@ -#pragma once - -#ifdef __GNUC__ -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wunused-parameter" -#endif - -//===- StringToOffsetTable.h - Emit a big concatenated string ---*- C++ -*-===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_TABLEGEN_STRINGTOOFFSETTABLE_H -#define LLVM_TABLEGEN_STRINGTOOFFSETTABLE_H - -#include "llvm/ADT/SmallString.h" -#include "llvm/ADT/StringExtras.h" -#include "llvm/ADT/StringMap.h" -#include "llvm/Support/raw_ostream.h" -#include <cctype> - -namespace llvm { - -/// StringToOffsetTable - This class uniques a bunch of nul-terminated strings -/// and keeps track of their offset in a massive contiguous string allocation. -/// It can then output this string blob and use indexes into the string to -/// reference each piece. -class StringToOffsetTable { - StringMap<unsigned> StringOffset; - std::string AggregateString; - -public: - bool Empty() const { return StringOffset.empty(); } - - unsigned GetOrAddStringOffset(StringRef Str, bool appendZero = true) { - auto IterBool = - StringOffset.insert(std::make_pair(Str, AggregateString.size())); - if (IterBool.second) { - // Add the string to the aggregate if this is the first time found. - AggregateString.append(Str.begin(), Str.end()); - if (appendZero) - AggregateString += '\0'; - } - - return IterBool.first->second; - } - - void EmitString(raw_ostream &O) { - // Escape the string. - SmallString<256> Str; - raw_svector_ostream(Str).write_escaped(AggregateString); - AggregateString = std::string(Str.str()); - - O << " \""; - unsigned CharsPrinted = 0; - for (unsigned i = 0, e = AggregateString.size(); i != e; ++i) { - if (CharsPrinted > 70) { - O << "\"\n \""; - CharsPrinted = 0; - } - O << AggregateString[i]; - ++CharsPrinted; - - // Print escape sequences all together. - if (AggregateString[i] != '\\') - continue; - - assert(i + 1 < AggregateString.size() && "Incomplete escape sequence!"); - if (isdigit(AggregateString[i + 1])) { - assert(isdigit(AggregateString[i + 2]) && - isdigit(AggregateString[i + 3]) && - "Expected 3 digit octal escape!"); - O << AggregateString[++i]; - O << AggregateString[++i]; - O << AggregateString[++i]; - CharsPrinted += 3; - } else { - O << AggregateString[++i]; - ++CharsPrinted; - } - } - O << "\""; - } - - /// Emit the string using character literals. MSVC has a limitation that - /// string literals cannot be longer than 64K. - void EmitCharArray(raw_ostream &O) { - assert(AggregateString.find(')') == std::string::npos && - "can't emit raw string with closing parens"); - int Count = 0; - O << ' '; - for (char C : AggregateString) { - O << " \'"; - O.write_escaped(StringRef(&C, 1)); - O << "\',"; - Count++; - if (Count > 14) { - O << "\n "; - Count = 0; - } - } - O << '\n'; - } -}; - -} // end namespace llvm - -#endif - -#ifdef __GNUC__ -#pragma GCC diagnostic pop -#endif +#pragma once + +#ifdef __GNUC__ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wunused-parameter" +#endif + +//===- StringToOffsetTable.h - Emit a big concatenated string ---*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_TABLEGEN_STRINGTOOFFSETTABLE_H +#define LLVM_TABLEGEN_STRINGTOOFFSETTABLE_H + +#include "llvm/ADT/SmallString.h" +#include "llvm/ADT/StringExtras.h" +#include "llvm/ADT/StringMap.h" +#include "llvm/Support/raw_ostream.h" +#include <cctype> + +namespace llvm { + +/// StringToOffsetTable - This class uniques a bunch of nul-terminated strings +/// and keeps track of their offset in a massive contiguous string allocation. +/// It can then output this string blob and use indexes into the string to +/// reference each piece. +class StringToOffsetTable { + StringMap<unsigned> StringOffset; + std::string AggregateString; + +public: + bool Empty() const { return StringOffset.empty(); } + + unsigned GetOrAddStringOffset(StringRef Str, bool appendZero = true) { + auto IterBool = + StringOffset.insert(std::make_pair(Str, AggregateString.size())); + if (IterBool.second) { + // Add the string to the aggregate if this is the first time found. + AggregateString.append(Str.begin(), Str.end()); + if (appendZero) + AggregateString += '\0'; + } + + return IterBool.first->second; + } + + void EmitString(raw_ostream &O) { + // Escape the string. + SmallString<256> Str; + raw_svector_ostream(Str).write_escaped(AggregateString); + AggregateString = std::string(Str.str()); + + O << " \""; + unsigned CharsPrinted = 0; + for (unsigned i = 0, e = AggregateString.size(); i != e; ++i) { + if (CharsPrinted > 70) { + O << "\"\n \""; + CharsPrinted = 0; + } + O << AggregateString[i]; + ++CharsPrinted; + + // Print escape sequences all together. + if (AggregateString[i] != '\\') + continue; + + assert(i + 1 < AggregateString.size() && "Incomplete escape sequence!"); + if (isdigit(AggregateString[i + 1])) { + assert(isdigit(AggregateString[i + 2]) && + isdigit(AggregateString[i + 3]) && + "Expected 3 digit octal escape!"); + O << AggregateString[++i]; + O << AggregateString[++i]; + O << AggregateString[++i]; + CharsPrinted += 3; + } else { + O << AggregateString[++i]; + ++CharsPrinted; + } + } + O << "\""; + } + + /// Emit the string using character literals. MSVC has a limitation that + /// string literals cannot be longer than 64K. + void EmitCharArray(raw_ostream &O) { + assert(AggregateString.find(')') == std::string::npos && + "can't emit raw string with closing parens"); + int Count = 0; + O << ' '; + for (char C : AggregateString) { + O << " \'"; + O.write_escaped(StringRef(&C, 1)); + O << "\',"; + Count++; + if (Count > 14) { + O << "\n "; + Count = 0; + } + } + O << '\n'; + } +}; + +} // end namespace llvm + +#endif + +#ifdef __GNUC__ +#pragma GCC diagnostic pop +#endif |
