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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "cppcompletionassistprovider.h"
#include "cpptoolsreuse.h"
#include <cppeditor/cppeditorconstants.h>
#include <cplusplus/Token.h>
using namespace CPlusPlus;
namespace CppEditor {
// ---------------------------
// CppCompletionAssistProvider
// ---------------------------
CppCompletionAssistProvider::CppCompletionAssistProvider(QObject *parent)
: TextEditor::CompletionAssistProvider(parent)
{}
int CppCompletionAssistProvider::activationCharSequenceLength() const
{
return 3;
}
bool CppCompletionAssistProvider::isActivationCharSequence(const QString &sequence) const
{
const QChar &ch = sequence.at(2);
const QChar &ch2 = sequence.at(1);
const QChar &ch3 = sequence.at(0);
return activationSequenceChar(ch, ch2, ch3, nullptr, true, false);
}
bool CppCompletionAssistProvider::isContinuationChar(const QChar &c) const
{
return isValidIdentifierChar(c);
}
int CppCompletionAssistProvider::activationSequenceChar(const QChar &ch,
const QChar &ch2,
const QChar &ch3,
unsigned *kind,
bool wantFunctionCall,
bool wantQt5SignalSlots)
{
int referencePosition = 0;
int completionKind = T_EOF_SYMBOL;
switch (ch.toLatin1()) {
case '.':
if (ch2 != QLatin1Char('.')) {
completionKind = T_DOT;
referencePosition = 1;
}
break;
case ',':
completionKind = T_COMMA;
referencePosition = 1;
break;
case '(':
if (wantFunctionCall) {
completionKind = T_LPAREN;
referencePosition = 1;
}
break;
case ':':
if (ch3 != QLatin1Char(':') && ch2 == QLatin1Char(':')) {
completionKind = T_COLON_COLON;
referencePosition = 2;
}
break;
case '>':
if (ch2 == QLatin1Char('-')) {
completionKind = T_ARROW;
referencePosition = 2;
}
break;
case '*':
if (ch2 == QLatin1Char('.')) {
completionKind = T_DOT_STAR;
referencePosition = 2;
} else if (ch3 == QLatin1Char('-') && ch2 == QLatin1Char('>')) {
completionKind = T_ARROW_STAR;
referencePosition = 3;
}
break;
case '\\':
case '@':
if (ch2.isNull() || ch2.isSpace()) {
completionKind = T_DOXY_COMMENT;
referencePosition = 1;
}
break;
case '<':
completionKind = T_ANGLE_STRING_LITERAL;
referencePosition = 1;
break;
case '"':
completionKind = T_STRING_LITERAL;
referencePosition = 1;
break;
case '/':
completionKind = T_SLASH;
referencePosition = 1;
break;
case '#':
completionKind = T_POUND;
referencePosition = 1;
break;
case '&':
if (wantQt5SignalSlots) {
completionKind = T_AMPER;
referencePosition = 1;
}
break;
}
if (kind)
*kind = completionKind;
return referencePosition;
}
} // namespace CppEditor
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