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Quickfix: Rewrite existing code to use the new edit operations.

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This commit is contained in:
Christian Kamm
2009-11-26 13:59:58 +01:00
parent 049f8d535d
commit 36913baf94
2 changed files with 83 additions and 76 deletions
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153
src/plugins/cppeditor/cppquickfix.cpp
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@@ -142,8 +142,9 @@ public:
{
setTopLevelNode(pattern);
replace(pattern->binary_op_token, QLatin1String("||"));
replace(left->unary_op_token, QLatin1String("!("));
replace(right->unary_op_token, QLatin1String(""));
remove(left->unary_op_token);
remove(right->unary_op_token);
insert(startOf(pattern), QLatin1String("!("));
insert(endOf(pattern), QLatin1String(")"));
}
@@ -232,23 +233,25 @@ public:
{
setTopLevelNode(declaration);
SpecifierListAST *specifiers = declaration->decl_specifier_list;
const QString declSpecifiers = textOf(startOf(specifiers->firstToken()), endOf(specifiers->lastToken() - 1));
int declSpecifiersStart = startOf(specifiers->firstToken());
int declSpecifiersEnd = endOf(specifiers->lastToken() - 1);
int insertPos = endOf(declaration->semicolon_token);
DeclaratorAST *declarator = declaration->declarator_list->value;
replace(endOf(declarator), startOf(declaration->semicolon_token), QString());
DeclaratorAST *prevDeclarator = declaration->declarator_list->value;
QString text;
for (DeclaratorListAST *it = declaration->declarator_list->next; it; it = it->next) {
DeclaratorAST *declarator = it->value;
text += QLatin1Char('\n');
text += declSpecifiers;
text += QLatin1Char(' ');
text += textOf(declarator);
text += QLatin1String(";");
}
insert(insertPos, QLatin1String("\n"));
copy(declSpecifiersStart, declSpecifiersEnd, insertPos);
insert(insertPos, QLatin1String(" "));
move(declarator, insertPos);
insert(insertPos, QLatin1String(";"));
insert(endOf(declaration->semicolon_token), text);
remove(endOf(prevDeclarator), startOf(declarator));
prevDeclarator = declarator;
}
}
private:
@@ -356,13 +359,12 @@ public:
virtual void createChangeSet()
{
setTopLevelNode(pattern);
const QString name = textOf(core);
QString declaration = textOf(condition);
declaration += QLatin1String(";\n");
insert(startOf(pattern), declaration);
insert(endOf(pattern->lparen_token), name);
replace(condition, name);
copy(core, startOf(condition));
int insertPos = startOf(pattern);
move(condition, insertPos);
insert(insertPos, QLatin1String(";\n"));
}
private:
@@ -427,21 +429,14 @@ public:
virtual void createChangeSet()
{
setTopLevelNode(pattern);
const QString name = textOf(core);
const QString initializer = textOf(condition->declarator->initializer);
QString declaration = textOf(startOf(condition), endOf(condition->declarator->equals_token - 1));
declaration += QLatin1String(";\n");
QString newCondition;
newCondition += QLatin1String("(");
newCondition += name;
newCondition += QLatin1String(" = ");
newCondition += initializer;
newCondition += QLatin1String(") != 0");
insert(startOf(pattern), declaration);
insert(endOf(pattern->lparen_token), name);
replace(condition, newCondition);
insert(startOf(condition), QLatin1String("("));
insert(endOf(condition), QLatin1String(") != 0"));
int insertPos = startOf(pattern);
move(startOf(condition), startOf(core), insertPos);
copy(core, insertPos);
insert(insertPos, QLatin1String(";\n"));
}
private:
@@ -533,56 +528,34 @@ public:
void splitAndCondition()
{
setTopLevelNode(pattern);
StatementAST *ifTrueStatement = pattern->statement;
// take the right-expression from the condition.
QTextCursor rightCursor = textCursor();
rightCursor.setPosition(startOf(condition->right_expression));
rightCursor.setPosition(endOf(pattern->rparen_token - 1), QTextCursor::KeepAnchor);
const QString rightCondition = rightCursor.selectedText();
replace(endOf(condition->left_expression), startOf(pattern->rparen_token), QString());
int startPos = startOf(pattern);
insert(startPos, QLatin1String("if ("));
move(condition->left_expression, startPos);
insert(startPos, QLatin1String(") {\n"));
// create the nested if statement
QString nestedIfStatement;
nestedIfStatement += QLatin1String(" {\nif ("); // open new compound statement for outer
nestedIfStatement += rightCondition;
nestedIfStatement += QLatin1String(")");
insert(endOf(pattern->rparen_token), nestedIfStatement);
insert(endOf(ifTrueStatement), "\n}"); // finish the compound statement
remove(endOf(condition->left_expression), startOf(condition->right_expression));
insert(endOf(pattern), QLatin1String("\n}"));
}
void splitOrCondition()
{
setTopLevelNode(pattern);
StatementAST *ifTrueStatement = pattern->statement;
CompoundStatementAST *compoundStatement = ifTrueStatement->asCompoundStatement();
// take the right-expression from the condition.
QTextCursor rightCursor = textCursor();
rightCursor.setPosition(startOf(condition->right_expression));
rightCursor.setPosition(endOf(pattern->rparen_token - 1), QTextCursor::KeepAnchor);
const QString rightCondition = rightCursor.selectedText();
replace(endOf(condition->left_expression), startOf(pattern->rparen_token), QString());
setTopLevelNode(pattern);
// copy the if-body
QTextCursor bodyCursor = textCursor();
bodyCursor.setPosition(endOf(pattern->rparen_token));
bodyCursor.setPosition(endOf(pattern->statement), QTextCursor::KeepAnchor);
const QString body = bodyCursor.selectedText();
QString elseIfStatement;
int insertPos = endOf(pattern);
if (compoundStatement)
elseIfStatement += QLatin1String(" ");
insert(insertPos, QLatin1String(" "));
else
elseIfStatement += QLatin1String("\n");
elseIfStatement += QLatin1String("else if (");
elseIfStatement += rightCondition;
elseIfStatement += QLatin1String(")");
elseIfStatement += body;
insert(endOf(pattern), elseIfStatement);
insert(insertPos, QLatin1String("\n"));
insert(insertPos, QLatin1String("else if ("));
move(startOf(condition->right_expression), startOf(pattern->rparen_token), insertPos);
insert(insertPos, QLatin1String(")"));
copy(endOf(pattern->rparen_token), endOf(pattern->statement), insertPos);
remove(endOf(condition->left_expression), startOf(condition->right_expression));
}
private:
@@ -712,8 +685,7 @@ void QuickFixOperation::reindent(const Range &range)
void QuickFixOperation::move(int start, int end, int to)
{
if (end > start)
_changeSet.move(start, end-start, to);
_changeSet.move(start, end-start, to);
}
void QuickFixOperation::move(unsigned tokenIndex, int to)
@@ -728,8 +700,7 @@ void QuickFixOperation::move(const CPlusPlus::AST *ast, int to)
void QuickFixOperation::replace(int start, int end, const QString &replacement)
{
if (end >= start)
_changeSet.replace(start, end-start, replacement);
_changeSet.replace(start, end-start, replacement);
}
void QuickFixOperation::replace(unsigned tokenIndex, const QString &replacement)
@@ -744,7 +715,37 @@ void QuickFixOperation::replace(const CPlusPlus::AST *ast, const QString &replac
void QuickFixOperation::insert(int at, const QString &text)
{
replace(at, at, text);
_changeSet.insert(at, text);
}
void QuickFixOperation::remove(int start, int end)
{
_changeSet.remove(start, end-start);
}
void QuickFixOperation::remove(unsigned tokenIndex)
{
remove(startOf(tokenIndex), endOf(tokenIndex));
}
void QuickFixOperation::remove(const CPlusPlus::AST *ast)
{
remove(startOf(ast), endOf(ast));
}
void QuickFixOperation::copy(int start, int end, int to)
{
_changeSet.copy(start, end-start, to);
}
void QuickFixOperation::copy(unsigned tokenIndex, int to)
{
copy(startOf(tokenIndex), endOf(tokenIndex), to);
}
void QuickFixOperation::copy(const CPlusPlus::AST *ast, int to)
{
copy(startOf(ast), endOf(ast), to);
}
QString QuickFixOperation::textOf(int firstOffset, int lastOffset) const