diff options
Diffstat (limited to 'src/qml/compiler/qv4codegen.cpp')
-rw-r--r-- | src/qml/compiler/qv4codegen.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/qml/compiler/qv4codegen.cpp b/src/qml/compiler/qv4codegen.cpp index 4588690307..5a0dc11fbf 100644 --- a/src/qml/compiler/qv4codegen.cpp +++ b/src/qml/compiler/qv4codegen.cpp @@ -2927,6 +2927,17 @@ bool Codegen::visit(YieldExpression *ast) return false; } + auto innerMostCurentFunctionContext = _context; + while (innerMostCurentFunctionContext && innerMostCurentFunctionContext->contextType != ContextType::Function) + innerMostCurentFunctionContext = innerMostCurentFunctionContext->parent; + + Q_ASSERT(innerMostCurentFunctionContext); // yield outside function would have been rejected by parser + + if (!innerMostCurentFunctionContext->isGenerator) { + throwSyntaxError(ast->firstSourceLocation(), QLatin1String("Yield is only valid in generator functions")); + return false; + } + RegisterScope scope(this); TailCallBlocker blockTailCalls(this); Reference expr = ast->expression ? expression(ast->expression) : Reference::fromConst(this, Encode::undefined()); |