Initial commit from sysy-main

antlr/antlr4-runtime-4.13.2/runtime/src/CommonToken.cpp

@@ -0,0 +1,193 @@
+/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
+ * Use of this file is governed by the BSD 3-clause license that
+ * can be found in the LICENSE.txt file in the project root.
+ */
+
+#include "TokenSource.h"
+#include "CharStream.h"
+#include "Recognizer.h"
+#include "Vocabulary.h"
+
+#include "misc/Interval.h"
+
+#include "support/CPPUtils.h"
+#include "support/StringUtils.h"
+
+#include "CommonToken.h"
+
+using namespace antlr4;
+using namespace antlr4::misc;
+
+using namespace antlrcpp;
+
+const std::pair<TokenSource*, CharStream*> CommonToken::EMPTY_SOURCE;
+
+CommonToken::CommonToken(size_t type) {
+  InitializeInstanceFields();
+  _type = type;
+}
+
+CommonToken::CommonToken(std::pair<TokenSource*, CharStream*> source, size_t type, size_t channel, size_t start, size_t stop) {
+  InitializeInstanceFields();
+  _source = source;
+  _type = type;
+  _channel = channel;
+  _start = start;
+  _stop = stop;
+  if (_source.first != nullptr) {
+    _line = static_cast<int>(source.first->getLine());
+    _charPositionInLine = source.first->getCharPositionInLine();
+  }
+}
+
+CommonToken::CommonToken(size_t type, const std::string &text) {
+  InitializeInstanceFields();
+  _type = type;
+  _channel = DEFAULT_CHANNEL;
+  _text = text;
+  _source = EMPTY_SOURCE;
+}
+
+CommonToken::CommonToken(Token *oldToken) {
+  InitializeInstanceFields();
+  _type = oldToken->getType();
+  _line = oldToken->getLine();
+  _index = oldToken->getTokenIndex();
+  _charPositionInLine = oldToken->getCharPositionInLine();
+  _channel = oldToken->getChannel();
+  _start = oldToken->getStartIndex();
+  _stop = oldToken->getStopIndex();
+
+  if (is<CommonToken *>(oldToken)) {
+    _text = (static_cast<CommonToken *>(oldToken))->_text;
+    _source = (static_cast<CommonToken *>(oldToken))->_source;
+  } else {
+    _text = oldToken->getText();
+    _source = { oldToken->getTokenSource(), oldToken->getInputStream() };
+  }
+}
+
+size_t CommonToken::getType() const {
+  return _type;
+}
+
+void CommonToken::setLine(size_t line) {
+  _line = line;
+}
+
+std::string CommonToken::getText() const {
+  if (!_text.empty()) {
+    return _text;
+  }
+
+  CharStream *input = getInputStream();
+  if (input == nullptr) {
+    return "";
+  }
+  size_t n = input->size();
+  if (_start < n && _stop < n) {
+    return input->getText(misc::Interval(_start, _stop));
+  } else {
+    return "<EOF>";
+  }
+}
+
+void CommonToken::setText(const std::string &text) {
+  _text = text;
+}
+
+size_t CommonToken::getLine() const {
+  return _line;
+}
+
+size_t CommonToken::getCharPositionInLine() const {
+  return _charPositionInLine;
+}
+
+void CommonToken::setCharPositionInLine(size_t charPositionInLine) {
+  _charPositionInLine = charPositionInLine;
+}
+
+size_t CommonToken::getChannel() const {
+  return _channel;
+}
+
+void CommonToken::setChannel(size_t channel) {
+  _channel = channel;
+}
+
+void CommonToken::setType(size_t type) {
+  _type = type;
+}
+
+size_t CommonToken::getStartIndex() const {
+  return _start;
+}
+
+void CommonToken::setStartIndex(size_t start) {
+  _start = start;
+}
+
+size_t CommonToken::getStopIndex() const {
+  return _stop;
+}
+
+void CommonToken::setStopIndex(size_t stop) {
+  _stop = stop;
+}
+
+size_t CommonToken::getTokenIndex() const {
+  return _index;
+}
+
+void CommonToken::setTokenIndex(size_t index) {
+  _index = index;
+}
+
+antlr4::TokenSource *CommonToken::getTokenSource() const {
+  return _source.first;
+}
+
+antlr4::CharStream *CommonToken::getInputStream() const {
+  return _source.second;
+}
+
+std::string CommonToken::toString() const {
+  return toString(nullptr);
+}
+
+std::string CommonToken::toString(Recognizer *r) const {
+  std::stringstream ss;
+
+  std::string channelStr;
+  if (_channel > 0) {
+    channelStr = ",channel=" + std::to_string(_channel);
+  }
+  std::string txt = getText();
+  if (!txt.empty()) {
+    txt = antlrcpp::escapeWhitespace(txt);
+  } else {
+    txt = "<no text>";
+  }
+
+  std::string typeString = std::to_string(symbolToNumeric(_type));
+  if (r != nullptr)
+    typeString = r->getVocabulary().getDisplayName(_type);
+
+  ss << "[@" << symbolToNumeric(getTokenIndex()) << "," << symbolToNumeric(_start) << ":" << symbolToNumeric(_stop)
+    << "='" << txt << "',<" << typeString << ">" << channelStr << "," << _line << ":"
+    << getCharPositionInLine() << "]";
+
+  return ss.str();
+}
+
+void CommonToken::InitializeInstanceFields() {
+  _type = 0;
+  _line = 0;
+  _charPositionInLine = INVALID_INDEX;
+  _channel = DEFAULT_CHANNEL;
+  _index = INVALID_INDEX;
+  _start = 0;
+  _stop = 0;
+  _source = EMPTY_SOURCE;
+}