public ExpressionContext(JScriptBuilder builder)
{
_builder = builder;
_previous = _current.Value;
_current.Value = this;
}
private void EmitBlockStatement(BlockStatement block)
{
EnterBlock();
using (var ex = new ExpressionContext(this, block))
{
foreach (var s in block.Body)
{
Emit(s);
}
}
LeaveBlock();
}
private void EmitFunctionDeclaration(FunctionDeclaration fdecl)
{
WriteSeparator();
TranslateFunctionHeader(fdecl, fdecl.Parameters);
using (var ec = new ExpressionContext(this, OperatorInfo.Body))
{
Emit(fdecl.Body);
}
}
private void EmitExpressionStatement(ExpressionStatement s)
{
using (var ec = new ExpressionContext(this, OperatorInfo.Body))
{
if (s.Expression is CallExpression)
{
var call = s.Expression as CallExpression;
if (call.Callee is FunctionExpression)
{
// group around function expression (function(){}());
ec.BeginGroup();
}
}
Emit(s.Expression);
}
Write(";");
}
private void EmitAssignmentExpression(AssignmentExpression e)
{
using (var ec = new ExpressionContext(this, e))
{
Emit(e.Left);
Write(" " + TranslateAssignmentOperator(e.Operator) + " ");
Emit(e.Right);
}
}
private void EmitLogicalExpression(LogicalExpression e)
{
using (var ec = new ExpressionContext(this, e))
{
Emit(e.Left);
Write(" " + ec.Token + " ");
Emit(e.Right);
}
}
private void EmitUpdateExpression(UpdateExpression e)
{
using (var ec = new ExpressionContext(this, e))
{
if (e.Prefix)
{
Write(ec.Token);
Emit(e.Argument);
}
else
{
Emit(e.Argument);
Write(ec.Token);
}
}
}
private void EmitUnaryExpression(UnaryExpression e)
{
if (e.Prefix)
{
using (var ec = new Wpf2Html5.Builder.ExpressionContext(this, e))
{
Write(ec.Token);
Emit(e.Argument);
}
}
else
{
using (var ec = new Wpf2Html5.Builder.ExpressionContext(this, e))
{
Emit(e.Argument);
Write(ec.Token);
}
}
}