diff options
Diffstat (limited to 'src/qml/compiler/qv4codegen.cpp')
| -rw-r--r-- | src/qml/compiler/qv4codegen.cpp | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/qml/compiler/qv4codegen.cpp b/src/qml/compiler/qv4codegen.cpp index f642797761..38ac04ccbe 100644 --- a/src/qml/compiler/qv4codegen.cpp +++ b/src/qml/compiler/qv4codegen.cpp @@ -44,6 +44,7 @@ #include <QtCore/QStringList> #include <QtCore/QStack> #include <QtCore/qurl.h> +#include <QtCore/qloggingcategory.h> #include <QScopeGuard> #include <private/qqmljsast_p.h> #include <private/qqmljslexer_p.h> @@ -65,7 +66,10 @@ static const bool disable_lookups = false; #undef CONST #endif -QT_USE_NAMESPACE +QT_BEGIN_NAMESPACE + +Q_LOGGING_CATEGORY(lcQmlCompiler, "qt.qml.compiler"); + using namespace QV4; using namespace QV4::Compiler; using namespace QQmlJS; @@ -2378,6 +2382,17 @@ Codegen::Reference Codegen::referenceForName(const QString &name, bool isLhs, co if (resolved.isArgOrEval && isLhs) // ### add correct source location throwSyntaxError(SourceLocation(), QStringLiteral("Variable name may not be eval or arguments in strict mode")); + + if (resolved.declarationLocation.isValid() && accessLocation.isValid() + && resolved.declarationLocation.begin() > accessLocation.end()) { + qCWarning(lcQmlCompiler).nospace().noquote() + << url().toString() << ":" << accessLocation.startLine + << ":" << accessLocation.startColumn << " Variable \"" << name + << "\" is used before its declaration at " + << resolved.declarationLocation.startLine << ":" + << resolved.declarationLocation.startColumn << "."; + } + Reference r; switch (resolved.type) { case Context::ResolvedName::Local: @@ -4458,3 +4473,5 @@ QT_WARNING_POP } Q_UNREACHABLE(); } + +QT_END_NAMESPACE |