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/* 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;
}
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