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Do never offer signature autocompletion for constructor calls.

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They should always use the function parameter tooltip.

This fixes a bug where you were offered completion for
C foo( -> C foo(int x)
if C had a constructor taking int x.

Reviewed-by: Thorbjørn Lindeijer <thorbjorn.lindeijer@nokia.com>
This commit is contained in:
Christian Kamm
2009-11-09 10:10:31 +01:00
parent 5e0e975873
commit a253a69980
2 changed files with 19 additions and 15 deletions
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24
src/plugins/cpptools/cppcodecompletion.cpp
View File

@@ -871,7 +871,7 @@ int CppCodeCompletion::startCompletion(TextEditor::ITextEditable *editor)
if (! resolvedTypes.isEmpty()) {
if (m_completionOperator == T_LPAREN &&
completeConstructorOrFunction(resolvedTypes, context, endOfExpression)) {
completeConstructorOrFunction(resolvedTypes, context, endOfExpression, false)) {
return m_startPosition;
} else if ((m_completionOperator == T_DOT || m_completionOperator == T_ARROW) &&
@@ -910,7 +910,7 @@ int CppCodeCompletion::startCompletion(TextEditor::ITextEditable *editor)
// If it's a class, add completions for the constructors
foreach (const TypeOfExpression::Result &result, results) {
if (result.first->isClassType()) {
if (completeConstructorOrFunction(results, context, endOfExpression))
if (completeConstructorOrFunction(results, context, endOfExpression, true))
return m_startPosition;
break;
}
@@ -924,7 +924,7 @@ int CppCodeCompletion::startCompletion(TextEditor::ITextEditable *editor)
bool CppCodeCompletion::completeConstructorOrFunction(const QList<TypeOfExpression::Result> &results,
const LookupContext &context,
int endOfExpression)
int endOfExpression, bool toolTipOnly)
{
QList<Function *> functions;
@@ -1013,15 +1013,17 @@ bool CppCodeCompletion::completeConstructorOrFunction(const QList<TypeOfExpressi
}
}
if (! functions.isEmpty()) {
// There are two options:
// There are two different kinds of completion we want to provide:
// 1. If this is a function call, we want to pop up a tooltip that shows the user
// the possible overloads with their argument types and names.
// 2. If this is a function definition, we want to offer autocompletion of
// the function signature.
// Here we evaluate a first criterion: function definitions will only
// happen in class or namespace scope.
// check if function signature autocompletion is appropriate
if (! functions.isEmpty() && ! toolTipOnly) {
// function definitions will only happen in class or namespace scope,
// so get the current location's enclosing scope.
// get current line and column
TextEditor::BaseTextEditor *edit = qobject_cast<TextEditor::BaseTextEditor *>(m_editor->widget());
@@ -1043,16 +1045,16 @@ bool CppCodeCompletion::completeConstructorOrFunction(const QList<TypeOfExpressi
unsigned endLine, endColumn;
context.thisDocument()->translationUnit()->getPosition(sc->owner()->endOffset(), &endLine, &endColumn);
if (startLine <= line && line <= endLine)
if (startLine <= line && line <= endLine) {
if ((startLine != line || startColumn <= column)
&& (endLine != line || column <= endColumn))
break;
}
sc = sc->enclosingScope();
}
if (sc && (sc->isClassScope() || sc->isNamespaceScope()))
{
if (sc && (sc->isClassScope() || sc->isNamespaceScope())) {
// It may still be a function call. If the whole line parses as a function
// declaration, we should be certain that it isn't.
bool autocompleteSignature = false;
@@ -1091,7 +1093,9 @@ bool CppCodeCompletion::completeConstructorOrFunction(const QList<TypeOfExpressi
return true;
}
}
}
if (! functions.empty()) {
// set up function call tooltip
// Recreate if necessary

2
src/plugins/cpptools/cppcodecompletion.h
View File

@@ -115,7 +115,7 @@ private:
bool completeConstructorOrFunction(const QList<CPlusPlus::TypeOfExpression::Result> &,
const CPlusPlus::LookupContext &,
int endOfExpression);
int endOfExpression, bool toolTipOnly);
bool completeMember(const QList<CPlusPlus::TypeOfExpression::Result> &,
const CPlusPlus::LookupContext &context);