Stop pretending that statements return a value
https://bugs.webkit.org/show_bug.cgi?id=113969

Reviewed by Oliver Hunt.

Expressions have an intrinsic value, which they return to their parent
in the AST.

Statements just execute for effect in sequence.

This patch moves emitBytecode into the ExpressionNode and StatementNode
subclasses, and changes the SatementNode subclass to return void. This
eliminates some cruft where we used to return 0, or try to save a bogus
register and return it, as if a statement had a consuming parent in the
AST.

* bytecompiler/BytecodeGenerator.h:
(JSC::BytecodeGenerator::emitNode):
(BytecodeGenerator):
(JSC::BytecodeGenerator::emitNodeInConditionContext):
* bytecompiler/NodesCodegen.cpp:
(JSC::ConstStatementNode::emitBytecode):
(JSC::BlockNode::emitBytecode):
(JSC::EmptyStatementNode::emitBytecode):
(JSC::DebuggerStatementNode::emitBytecode):
(JSC::ExprStatementNode::emitBytecode):
(JSC::VarStatementNode::emitBytecode):
(JSC::IfNode::emitBytecode):
(JSC::IfElseNode::emitBytecode):
(JSC::DoWhileNode::emitBytecode):
(JSC::WhileNode::emitBytecode):
(JSC::ForNode::emitBytecode):
(JSC::ForInNode::emitBytecode):
(JSC::ContinueNode::emitBytecode):
(JSC::BreakNode::emitBytecode):
(JSC::ReturnNode::emitBytecode):
(JSC::WithNode::emitBytecode):
(JSC::CaseClauseNode::emitBytecode):
(JSC::CaseBlockNode::emitBytecodeForBlock):
(JSC::SwitchNode::emitBytecode):
(JSC::LabelNode::emitBytecode):
(JSC::ThrowNode::emitBytecode):
(JSC::TryNode::emitBytecode):
(JSC::ScopeNode::emitStatementsBytecode):
(JSC::ProgramNode::emitBytecode):
(JSC::EvalNode::emitBytecode):
(JSC::FunctionBodyNode::emitBytecode):
(JSC::FuncDeclNode::emitBytecode):
* parser/NodeConstructors.h:
(JSC::PropertyListNode::PropertyListNode):
(JSC::ArgumentListNode::ArgumentListNode):
* parser/Nodes.h:
(Node):
(ExpressionNode):
(StatementNode):
(ConstStatementNode):
(BlockNode):
(EmptyStatementNode):
(DebuggerStatementNode):
(ExprStatementNode):
(VarStatementNode):
(IfNode):
(IfElseNode):
(DoWhileNode):
(WhileNode):
(ForNode):
(ForInNode):
(ContinueNode):
(BreakNode):
(ReturnNode):
(WithNode):
(LabelNode):
(ThrowNode):
(TryNode):
(ProgramNode):
(EvalNode):
(FunctionBodyNode):
(FuncDeclNode):
(CaseBlockNode):
(SwitchNode):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@147677 268f45cc-cd09-0410-ab3c-d52691b4dbfc
The commit queue should use Mac MountainLion port
https://bugs.webkit.org/show_bug.cgi?id=113971

Reviewed by Lucas Forschler.

* EWSTools/setup-commit-queue.sh: Copied from Tools/EWSTools/GoogleComputeEngine/build-commit-queue.sh.
* Scripts/webkitpy/tool/commands/queues.py:
(CommitQueue):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@147678 268f45cc-cd09-0410-ab3c-d52691b4dbfc