Files
qt-creator/src/libs/qmljs/qmljsstaticanalysismessage.cpp
Robert Loehning ccb917bf3d String improvements
Change-Id: I130f1f808720515d781733483b2e814c94f32461
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>
2013-02-12 12:18:39 +01:00

302 lines
12 KiB
C++

/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
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** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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#include "qmljsstaticanalysismessage.h"
#include <utils/qtcassert.h>
#include <QCoreApplication>
using namespace QmlJS;
using namespace QmlJS::StaticAnalysis;
namespace {
class StaticAnalysisMessages
{
Q_DECLARE_TR_FUNCTIONS(QmlJS::StaticAnalysisMessages)
public:
class PrototypeMessageData {
public:
Type type;
Severity severity;
QString message;
int placeholders;
};
void newMsg(Type type, Severity severity, const QString &message, int placeholders = 0)
{
PrototypeMessageData prototype;
prototype.type = type;
prototype.severity = severity;
prototype.message = message;
prototype.placeholders = placeholders;
QTC_CHECK(placeholders <= 2);
QTC_ASSERT(!messages.contains(type), return);
messages[type] = prototype;
}
StaticAnalysisMessages();
QHash<Type, PrototypeMessageData> messages;
};
static inline QString msgInvalidConstructor(const char *what)
{
return StaticAnalysisMessages::tr("do not use '%1' as a constructor").arg(QLatin1String(what));
}
StaticAnalysisMessages::StaticAnalysisMessages()
{
// When changing a message or severity, update the documentation, currently
// in creator-editors.qdoc, accordingly.
newMsg(ErrInvalidEnumValue, Error,
tr("invalid value for enum"));
newMsg(ErrEnumValueMustBeStringOrNumber, Error,
tr("enum value must be a string or a number"));
newMsg(ErrNumberValueExpected, Error,
tr("number value expected"));
newMsg(ErrBooleanValueExpected, Error,
tr("boolean value expected"));
newMsg(ErrStringValueExpected, Error,
tr("string value expected"));
newMsg(ErrInvalidUrl, Error,
tr("invalid URL"));
newMsg(WarnFileOrDirectoryDoesNotExist, Warning,
tr("file or directory does not exist"));
newMsg(ErrInvalidColor, Error,
tr("invalid color"));
newMsg(ErrAnchorLineExpected, Error,
tr("anchor line expected"));
newMsg(ErrPropertiesCanOnlyHaveOneBinding, Error,
tr("duplicate property binding"));
newMsg(ErrIdExpected, Error,
tr("id expected"));
newMsg(ErrInvalidId, Error,
tr("invalid id"));
newMsg(ErrDuplicateId, Error,
tr("duplicate id"));
newMsg(ErrInvalidPropertyName, Error,
tr("invalid property name '%1'"), 1);
newMsg(ErrDoesNotHaveMembers, Error,
tr("'%1' does not have members"), 1);
newMsg(ErrInvalidMember, Error,
tr("'%1' is not a member of '%2'"), 2);
newMsg(WarnAssignmentInCondition, Warning,
tr("assignment in condition"));
newMsg(WarnCaseWithoutFlowControl, Warning,
tr("unterminated non-empty case block"));
newMsg(WarnEval, Warning,
tr("do not use 'eval'"));
newMsg(WarnUnreachable, Warning,
tr("unreachable"));
newMsg(WarnWith, Warning,
tr("do not use 'with'"));
newMsg(WarnComma, Warning,
tr("do not use comma expressions"));
newMsg(WarnAlreadyFormalParameter, Warning,
tr("'%1' already is a formal parameter"), 1);
newMsg(WarnUnnecessaryMessageSuppression, Warning,
tr("unnecessary message suppression"));
newMsg(WarnAlreadyFunction, Warning,
tr("'%1' already is a function"), 1);
newMsg(WarnVarUsedBeforeDeclaration, Warning,
tr("var '%1' is used before its declaration"), 1);
newMsg(WarnAlreadyVar, Warning,
tr("'%1' already is a var"), 1);
newMsg(WarnDuplicateDeclaration, Warning,
tr("'%1' is declared more than once"), 1);
newMsg(WarnFunctionUsedBeforeDeclaration, Warning,
tr("function '%1' is used before its declaration"), 1);
newMsg(WarnBooleanConstructor, Warning,
msgInvalidConstructor("Boolean"));
newMsg(WarnStringConstructor, Warning,
msgInvalidConstructor("String"));
newMsg(WarnObjectConstructor, Warning,
msgInvalidConstructor("Object"));
newMsg(WarnArrayConstructor, Warning,
msgInvalidConstructor("Array"));
newMsg(WarnFunctionConstructor, Warning,
msgInvalidConstructor("Function"));
newMsg(HintAnonymousFunctionSpacing, Hint,
tr("the 'function' keyword and the opening parenthesis should be separated by a single space"));
newMsg(WarnBlock, Warning,
tr("do not use stand-alone blocks"));
newMsg(WarnVoid, Warning,
tr("do not use void expressions"));
newMsg(WarnConfusingPluses, Warning,
tr("confusing pluses"));
newMsg(WarnConfusingMinuses, Warning,
tr("confusing minuses"));
newMsg(HintDeclareVarsInOneLine, Hint,
tr("declare all function vars on a single line"));
newMsg(HintExtraParentheses, Hint,
tr("unnecessary parentheses"));
newMsg(MaybeWarnEqualityTypeCoercion, MaybeWarning,
tr("== and != may perform type coercion, use === or !== to avoid"));
newMsg(WarnConfusingExpressionStatement, Warning,
tr("expression statements should be assignments, calls or delete expressions only"));
newMsg(HintDeclarationsShouldBeAtStartOfFunction, Hint,
tr("var declarations should be at the start of a function"));
newMsg(HintOneStatementPerLine, Hint,
tr("only use one statement per line"));
newMsg(ErrUnknownComponent, Error,
tr("unknown component"));
newMsg(ErrCouldNotResolvePrototypeOf, Error,
tr("could not resolve the prototype '%1' of '%2'"), 2);
newMsg(ErrCouldNotResolvePrototype, Error,
tr("could not resolve the prototype '%1'"), 1);
newMsg(ErrPrototypeCycle, Error,
tr("prototype cycle, the last non-repeated component is '%1'"), 1);
newMsg(ErrInvalidPropertyType, Error,
tr("invalid property type '%1'"), 1);
newMsg(WarnEqualityTypeCoercion, Warning,
tr("== and != perform type coercion, use === or !== to avoid"));
newMsg(WarnExpectedNewWithUppercaseFunction, Warning,
tr("calls of functions that start with an uppercase letter should use 'new'"));
newMsg(WarnNewWithLowercaseFunction, Warning,
tr("'new' should only be used with functions that start with an uppercase letter"));
newMsg(WarnNumberConstructor, Warning,
msgInvalidConstructor("Function"));
newMsg(HintBinaryOperatorSpacing, Hint,
tr("use spaces around binary operators"));
newMsg(WarnUnintentinalEmptyBlock, Warning,
tr("unintentional empty block, use ({}) for empty object literal"));
newMsg(HintPreferNonVarPropertyType, Hint,
tr("use %1 instead of 'var' or 'variant' to improve performance"), 1);
newMsg(ErrMissingRequiredProperty, Error,
tr("missing property '%1'"), 1);
newMsg(ErrObjectValueExpected, Error,
tr("object value expected"));
newMsg(ErrArrayValueExpected, Error,
tr("array value expected"));
newMsg(ErrDifferentValueExpected, Error,
tr("%1 value expected"), 1);
newMsg(ErrSmallerNumberValueExpected, Error,
tr("maximum number value is %1"), 1);
newMsg(ErrLargerNumberValueExpected, Error,
tr("minimum number value is %1"), 1);
newMsg(ErrMaximumNumberValueIsExclusive, Error,
tr("maximum number value is exclusive"));
newMsg(ErrMinimumNumberValueIsExclusive, Error,
tr("minimum number value is exclusive"));
newMsg(ErrInvalidStringValuePattern, Error,
tr("string value does not match required pattern"));
newMsg(ErrLongerStringValueExpected, Error,
tr("minimum string value length is %1"), 1);
newMsg(ErrShorterStringValueExpected, Error,
tr("maximum string value length is %1"), 1);
newMsg(ErrInvalidArrayValueLength, Error,
tr("%1 elements expected in array value"), 1);
newMsg(WarnImperativeCodeNotEditableInVisualDesigner, Warning,
tr("Imperative code is not supported in the Qt Quick Designer"));
newMsg(WarnUnsupportedTypeInVisualDesigner, Warning,
tr("This type is not supported in the Qt Quick Designer"));
newMsg(WarnReferenceToParentItemNotSupportedByVisualDesigner, Warning,
tr("Reference to parent item cannot be resolved correctly by the Qt Quick Designer"));
newMsg(WarnUndefinedValueForVisualDesigner, Warning,
tr("This visual property binding cannot be evaluated in the local context "
"and might not show up in Qt Quick Designer as expected"));
newMsg(WarnStatesOnlyInRootItemForVisualDesigner, Warning,
tr("Qt Quick Designer only supports states in the root item "));
}
} // anonymous namespace
Q_GLOBAL_STATIC(StaticAnalysisMessages, messages)
QList<Type> Message::allMessageTypes()
{
return messages()->messages.keys();
}
Message::Message()
: type(UnknownType), severity(Hint)
{}
Message::Message(Type type,
AST::SourceLocation location,
const QString &arg1,
const QString &arg2,
bool appendTypeId)
: location(location), type(type)
{
QTC_ASSERT(messages()->messages.contains(type), return);
const StaticAnalysisMessages::PrototypeMessageData &prototype = messages()->messages.value(type);
severity = prototype.severity;
message = prototype.message;
if (prototype.placeholders == 0) {
if (!arg1.isEmpty() || !arg2.isEmpty())
qWarning() << "StaticAnalysis message" << type << "expects no arguments";
} else if (prototype.placeholders == 1) {
if (arg1.isEmpty() || !arg2.isEmpty())
qWarning() << "StaticAnalysis message" << type << "expects exactly one argument";
message = message.arg(arg1);
} else if (prototype.placeholders == 2) {
if (arg1.isEmpty() || arg2.isEmpty())
qWarning() << "StaticAnalysis message" << type << "expects exactly two arguments";
message = message.arg(arg1, arg2);
}
if (appendTypeId)
message.append(QString::fromLatin1(" (M%1)").arg(QString::number(prototype.type)));
}
bool Message::isValid() const
{
return type != UnknownType && location.isValid() && !message.isEmpty();
}
DiagnosticMessage Message::toDiagnosticMessage() const
{
DiagnosticMessage diagnostic;
switch (severity) {
case Hint:
case MaybeWarning:
case Warning:
diagnostic.kind = DiagnosticMessage::Warning;
break;
default:
diagnostic.kind = DiagnosticMessage::Error;
break;
}
diagnostic.loc = location;
diagnostic.message = message;
return diagnostic;
}
QString Message::suppressionString() const
{
return QString::fromLatin1("@disable-check M%1").arg(QString::number(type));
}
QRegExp Message::suppressionPattern()
{
return QRegExp(QLatin1String("@disable-check M(\\d+)"));
}