protected override Expression RewriteSet(AssignmentExtensionExpression node) {
GlobalVariableExpression lvalue = (GlobalVariableExpression)node.Expression;
return AstUtils.Convert(
Expression.Assign(
MapToExpression(lvalue),
AstUtils.Convert(Visit(node.Value), typeof(object))
),
node.Type
);
}
protected override Expression RewriteSet(AssignmentExtensionExpression node) {
GlobalVariableExpression lvalue = (GlobalVariableExpression)node.Expression;
EnsureUniqueName(lvalue);
return AstUtils.Convert(
Expression.Call(
typeof(ScriptingRuntimeHelpers).GetMethod(lvalue.IsLocal ? "SetName" : "SetGlobalName"),
new Expression[]{
Context,
AstUtils.Constant(SymbolTable.StringToId(lvalue.Name)),
Visit(node.Value)
}
),
node.Type
);
}
protected abstract Expression RewriteSet(AssignmentExtensionExpression node);
private Expression Rewrite(AssignmentExtensionExpression node) {
Expression lvalue = node.Expression;
GlobalVariableExpression global = lvalue as GlobalVariableExpression;
if (global != null) {
return RewriteSet(node);
}
return node;
}
private Expression RewriteSet(AssignmentExtensionExpression node) {
var value = Visit(node.Value);
var globalVar = (GlobalVariableExpression)node.Expression;
if (_wrappers == null) {
return new SetNameExpression(globalVar.IsLocal, SymbolTable.StringToId(globalVar.Name), Context, value);
} else {
return new GlobalSetExpression(GetWrapper(globalVar), value);
}
}