RedPanda-CPP/RedPandaIDE/cpprefacter.cpp

335 lines
12 KiB
C++

/*
* Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "cpprefacter.h"
#include "mainwindow.h"
#include "settings.h"
#include "editor.h"
#include "editorlist.h"
#include <QFile>
#include <QMessageBox>
#include <QTextCodec>
#include "HighlighterManager.h"
#include "project.h"
CppRefacter::CppRefacter(QObject *parent) : QObject(parent)
{
}
bool CppRefacter::findOccurence(Editor *editor, const QSynedit::BufferCoord &pos)
{
if (!editor->parser())
return false;
if (!editor->parser()->freeze())
return false;
auto action = finally([&editor]{
editor->parser()->unFreeze();
});
// get full phrase (such as s.name instead of name)
QStringList expression = editor->getExpressionAtPosition(pos);
// Find it's definition
PStatement statement = editor->parser()->findStatementOf(
editor->filename(),
expression,
pos.line);
// definition of the symbol not found
if (!statement)
return false;
std::shared_ptr<Project> project = pMainWindow->project();
if (editor->inProject() && project) {
doFindOccurenceInProject(statement,project,editor->parser());
} else {
doFindOccurenceInEditor(statement,editor,editor->parser());
}
pMainWindow->searchResultModel()->notifySearchResultsUpdated();
return true;
}
bool CppRefacter::findOccurence(const QString &statementFullname, SearchFileScope scope)
{
PCppParser parser;
Editor * editor=nullptr;
std::shared_ptr<Project> project;
if (scope == SearchFileScope::currentFile) {
editor = pMainWindow->editorList()->getEditor();
if (!editor)
return false;
parser = editor->parser();
} else if (scope == SearchFileScope::wholeProject) {
project = pMainWindow->project();
if (!project)
return false;
parser = project->cppParser();
}
if (!parser)
return false;
{
parser->freeze();
auto action = finally([&parser]{
parser->unFreeze();
});
PStatement statement = parser->findStatement(statementFullname);
// definition of the symbol not found
if (!statement)
return false;
if (scope == SearchFileScope::wholeProject) {
doFindOccurenceInProject(statement,project,parser);
} else if (scope == SearchFileScope::currentFile) {
doFindOccurenceInEditor(statement, editor,parser);
}
pMainWindow->searchResultModel()->notifySearchResultsUpdated();
return true;
}
}
static QString fullParentName(PStatement statement) {
PStatement parent = statement->parentScope.lock();
if (parent) {
return parent->fullName;
} else {
return "";
}
}
void CppRefacter::renameSymbol(Editor *editor, const QSynedit::BufferCoord &pos, const QString &newWord)
{
if (!editor->parser()->freeze())
return;
auto action = finally([&editor]{
editor->parser()->unFreeze();
});
// get full phrase (such as s.name instead of name)
QStringList expression;
QChar s=editor->charAt(pos);
if (!editor->isIdentChar(s)) {
expression = editor->getExpressionAtPosition(QSynedit::BufferCoord{pos.ch-1,pos.line});
} else {
expression = editor->getExpressionAtPosition(pos);
}
// Find it's definition
PStatement oldStatement = editor->parser()->findStatementOf(
editor->filename(),
expression,
pos.line);
// definition of the symbol not found
if (!oldStatement)
return;
QString oldScope = fullParentName(oldStatement);
// found but not in this file
if (editor->filename() != oldStatement->fileName
|| editor->filename() != oldStatement->definitionFileName) {
QMessageBox::critical(editor,
tr("Rename Symbol Error"),
tr("Can't rename symbols not defined in this file."));
return;
}
QStringList newExpression = expression;
newExpression[newExpression.count()-1]=newWord;
PStatement newStatement = editor->parser()->findStatementOf(
editor->filename(),
newExpression,
pos.line);
if (newStatement && fullParentName(newStatement) == oldScope) {
QMessageBox::critical(editor,
tr("Rename Symbol Error"),
tr("New symbol already exists!"));
return;
}
renameSymbolInFile(editor->filename(),oldStatement,newWord, editor->parser());
}
void CppRefacter::doFindOccurenceInEditor(PStatement statement , Editor *editor, const PCppParser &parser)
{
PSearchResults results = pMainWindow->searchResultModel()->addSearchResults(
statement->command,
statement->fullName,
SearchFileScope::currentFile
);
PSearchResultTreeItem item = findOccurenceInFile(
editor->filename(),
statement,
parser);
if (item && !(item->results.isEmpty())) {
results->results.append(item);
}
}
void CppRefacter::doFindOccurenceInProject(PStatement statement, std::shared_ptr<Project> project, const PCppParser &parser)
{
PSearchResults results = pMainWindow->searchResultModel()->addSearchResults(
statement->command,
statement->fullName,
SearchFileScope::wholeProject
);
foreach (const PProjectUnit& unit, project->units()) {
if (isCFile(unit->fileName()) || isHFile(unit->fileName())) {
PSearchResultTreeItem item = findOccurenceInFile(
unit->fileName(),
statement,
parser);
if (item && !(item->results.isEmpty())) {
results->results.append(item);
}
}
}
}
PSearchResultTreeItem CppRefacter::findOccurenceInFile(
const QString &filename,
const PStatement &statement,
const PCppParser& parser)
{
PSearchResultTreeItem parentItem = std::make_shared<SearchResultTreeItem>();
parentItem->filename = filename;
parentItem->parent = nullptr;
QStringList buffer;
Editor editor(nullptr);
if (pMainWindow->editorList()->getContentFromOpenedEditor(
filename,buffer)){
editor.document()->setContents(buffer);
} else {
QByteArray encoding;
editor.document()->loadFromFile(filename,ENCODING_AUTO_DETECT,encoding);
}
editor.setHighlighter(HighlighterManager().getCppHighlighter());
int posY = 0;
while (posY < editor.document()->count()) {
QString line = editor.document()->getString(posY);
if (line.isEmpty()) {
posY++;
continue;
}
if (posY == 0) {
editor.highlighter()->resetState();
} else {
editor.highlighter()->setState(
editor.document()->ranges(posY-1));
}
editor.highlighter()->setLine(line,posY);
while (!editor.highlighter()->eol()) {
int start = editor.highlighter()->getTokenPos() + 1;
QString token = editor.highlighter()->getToken();
QSynedit::PHighlighterAttribute attr = editor.highlighter()->getTokenAttribute();
if (!attr || attr!=editor.highlighter()->commentAttribute()) {
if (token == statement->command) {
//same name symbol , test if the same statement;
QSynedit::BufferCoord p;
p.line = posY+1;
p.ch = start+1;
QStringList expression = editor.getExpressionAtPosition(p);
PStatement tokenStatement = parser->findStatementOf(
filename,
expression, p.line);
if (tokenStatement
&& (tokenStatement->line == statement->line)
&& (tokenStatement->fileName == statement->fileName)) {
PSearchResultTreeItem item = std::make_shared<SearchResultTreeItem>();
item->filename = filename;
item->line = p.line;
item->start = start;
item->len = token.length();
item->parent = parentItem.get();
item->text = line;
item->text.replace('\t',' ');
parentItem->results.append(item);
}
}
}
editor.highlighter()->next();
}
posY++;
}
return parentItem;
}
void CppRefacter::renameSymbolInFile(const QString &filename, const PStatement &statement, const QString &newWord, const PCppParser &parser)
{
QStringList buffer;
Editor editor(nullptr);
if (pMainWindow->editorList()->getContentFromOpenedEditor(
filename,buffer)){
editor.document()->setContents(buffer);
} else {
QByteArray encoding;
editor.document()->loadFromFile(filename,ENCODING_AUTO_DETECT,encoding);
}
QStringList newContents;
editor.setHighlighter(HighlighterManager().getCppHighlighter());
int posY = 0;
while (posY < editor.document()->count()) {
QString line = editor.document()->getString(posY);
if (posY == 0) {
editor.highlighter()->resetState();
} else {
editor.highlighter()->setState(
editor.document()->ranges(posY-1));
}
editor.highlighter()->setLine(line,posY);
QString newLine;
while (!editor.highlighter()->eol()) {
int start = editor.highlighter()->getTokenPos() + 1;
QString token = editor.highlighter()->getToken();
if (token == statement->command) {
//same name symbol , test if the same statement;
QSynedit::BufferCoord p;
p.line = posY+1;
p.ch = start;
QStringList expression = editor.getExpressionAtPosition(p);
PStatement tokenStatement = parser->findStatementOf(
filename,
expression, p.line);
if (tokenStatement
&& (tokenStatement->line == statement->line)
&& (tokenStatement->fileName == statement->fileName)) {
token = newWord;
}
}
newLine += token;
editor.highlighter()->next();
}
newContents.append(newLine);
posY++;
}
Editor * oldEditor = pMainWindow->editorList()->getOpenedEditorByFilename(filename);
if (oldEditor) {
QSynedit::BufferCoord oldXY=oldEditor->caretXY();
int topLine = oldEditor->topLine();
int leftChar = oldEditor->leftChar();
oldEditor->beginUndoBlock();
oldEditor->addLeftTopToUndo();
oldEditor->addCaretToUndo();
oldEditor->replaceAll(newContents.join(oldEditor->lineBreak()));
oldEditor->setTopLine(topLine);
oldEditor->setLeftChar(leftChar);
oldEditor->setCaretXY(oldXY);
oldEditor->endUndoBlock();
} else {
QByteArray realEncoding;
QFile file(filename);
editor.document()->saveToFile(file,ENCODING_AUTO_DETECT,
pSettings->editor().defaultEncoding(),
realEncoding);
}
}