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/*
SPDX-FileCopyrightText: 2007-2008 David Nolden <david.nolden.kdevelop@art-master.de>
SPDX-License-Identifier: LGPL-2.0-only
*/
#include "codecompletionhelper.h"
#include "../duchain/duchain.h"
#include "../duchain/declaration.h"
#include "../duchain/duchainlock.h"
#include "../duchain/types/functiontype.h"
#include "../duchain/types/integraltype.h"
#include <KTextEditor/Document>
#include <KTextEditor/View>
namespace KDevelop {
void insertFunctionParenText(KTextEditor::View* view, const KTextEditor::Cursor& pos,
const DeclarationPointer& declaration, bool jumpForbidden)
{
bool spaceBeforeParen = false; ///@todo Take this from some astyle config or something
bool spaceBetweenParens = false;
bool spaceBetweenEmptyParens = false;
KDevelop::DUChainReadLocker lock(KDevelop::DUChain::lock());
bool haveArguments = false;
if (!declaration)
return;
TypePtr<FunctionType> funcType = declaration->type<FunctionType>();
if (declaration->kind() == Declaration::Type || (funcType && funcType->indexedArgumentsSize()))
haveArguments = true;
if (declaration->kind() == Declaration::Instance && !declaration->isFunctionDeclaration())
haveArguments = true; //probably a constructor initializer
//Need to have a paren behind
QString suffix = view->document()->text(KTextEditor::Range(pos, pos + KTextEditor::Cursor(1, 0)));
if (suffix.trimmed().startsWith(QLatin1Char('('))) {
//Move the cursor behind the opening paren
if (view)
view->setCursorPosition(pos + KTextEditor::Cursor(0, suffix.indexOf(QLatin1Char('(')) + 1));
} else {
//We need to insert an opening paren
QString openingParen;
if (spaceBeforeParen)
openingParen = QStringLiteral(" (");
else
openingParen = QStringLiteral("(");
if (spaceBetweenParens && (haveArguments || spaceBetweenEmptyParens))
openingParen += QLatin1Char(' ');
QString closingParen;
if (spaceBetweenParens && (haveArguments)) {
closingParen = QStringLiteral(" )");
} else
closingParen = QStringLiteral(")");
KTextEditor::Cursor jumpPos = pos + KTextEditor::Cursor(0, openingParen.length());
// when function returns void, also add a semicolon
if (funcType) {
if (IntegralType::Ptr type = funcType->returnType().cast<IntegralType>()) {
if (type->dataType() == IntegralType::TypeVoid) {
const QChar nextChar = view->document()->characterAt(pos);
if (nextChar != QLatin1Char(';') && nextChar != QLatin1Char(')') && nextChar != QLatin1Char(',')) {
closingParen += QLatin1Char(';');
}
}
}
}
//If no arguments, move the cursor behind the closing paren (or semicolon)
if (!haveArguments)
jumpPos += KTextEditor::Cursor(0, closingParen.length());
lock.unlock();
if (view) {
view->document()->insertText(pos, openingParen + closingParen);
if (!jumpForbidden) {
view->setCursorPosition(jumpPos);
}
}
}
}
}
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