public override object Walk(LeftAssignmentExpression node)
{
// Identifier, resolve from scope
if (node.Variable is Identifier)
{
var scope = Context.CurrentFrame;
var var = ((Identifier)node.Variable);
var suffix = new PropertyReferenceSuffix { Identifier = var };
var lvThunk = (Func<object>)(() => var.Accept(this));
var rvThunk = (Func<object>)(() => node.Operand.Accept(this));
return AssignSwitch(node.Operator.Text, scope, suffix, lvThunk, rvThunk);
}
else
{
var suffixes = node.Variable is MemberExpression
? ((MemberExpression)node.Variable).Suffixes
: ((CallExpression)node.Variable).Suffixes;
var secondLastObject = node.Variable is MemberExpression
? Member((MemberExpression)node.Variable, suffixes.ExceptLast())
: Call((CallExpression)node.Variable, suffixes.ExceptLast());
var lvThunk = (Func<object>)(() =>
node.Variable is MemberExpression
? Member((MemberExpression)node.Variable, suffixes)
: Call((CallExpression)node.Variable, suffixes));
var rvThunk = (Func<object>) (() => node.Operand.Accept(this));
var suffix = suffixes[suffixes.Count - 1];
// Static .NET, Console.Out = ...)
if (secondLastObject is Type)
{
return AssignSwitch(node.Operator.Text, secondLastObject, suffix, lvThunk, rvThunk, true);
}
return AssignSwitch(node.Operator.Text, secondLastObject, suffix, lvThunk, rvThunk);
}
}
public virtual object Walk(LeftAssignmentExpression node)
{
if (Enter(node))
{
node.Variable.Accept(this);
node.Operand.Accept(this);
}
Exit(node);
return(null);
}
private LeftAssignmentExpression ParseLeftAssignmentExpression()
{
var exp = new LeftAssignmentExpression
{
Token = Next(),
Variable = ParseLeftHandSideExpression(),
Operator = Next()
};
Match(TokenType.OpAssign);
exp.Operand = ParseAssignmentExpression();
return(exp);
}
public override object Walk(LeftAssignmentExpression node)
{
// Identifier, resolve from scope
if (node.Variable is Identifier)
{
var scope = Context.CurrentFrame;
var var = ((Identifier)node.Variable);
var suffix = new PropertyReferenceSuffix {
Identifier = var
};
var lvThunk = (Func <object>)(() => var.Accept(this));
var rvThunk = (Func <object>)(() => node.Operand.Accept(this));
return(AssignSwitch(node.Operator.Text, scope, suffix, lvThunk, rvThunk));
}
else
{
var suffixes = node.Variable is MemberExpression
? ((MemberExpression)node.Variable).Suffixes
: ((CallExpression)node.Variable).Suffixes;
var secondLastObject = node.Variable is MemberExpression
? Member((MemberExpression)node.Variable, suffixes.ExceptLast())
: Call((CallExpression)node.Variable, suffixes.ExceptLast());
var lvThunk = (Func <object>)(() =>
node.Variable is MemberExpression
? Member((MemberExpression)node.Variable, suffixes)
: Call((CallExpression)node.Variable, suffixes));
var rvThunk = (Func <object>)(() => node.Operand.Accept(this));
var suffix = suffixes[suffixes.Count - 1];
// Static .NET, Console.Out = ...)
if (secondLastObject is Type)
{
return(AssignSwitch(node.Operator.Text, secondLastObject, suffix, lvThunk, rvThunk, true));
}
return(AssignSwitch(node.Operator.Text, secondLastObject, suffix, lvThunk, rvThunk));
}
}
public override void Exit(LeftAssignmentExpression node)
{
level--;
}
public override bool Enter(LeftAssignmentExpression node)
{
Print("LeftAssignmentExpression {0}", node.Operator);
level++;
return true;
}
public virtual bool Enter(LeftAssignmentExpression node)
{
return true;
}
public virtual void Exit(LeftAssignmentExpression node)
{
}
public virtual void Exit(LeftAssignmentExpression node)
{
}
public virtual bool Enter(LeftAssignmentExpression node)
{
return(true);
}
public override void Exit(LeftAssignmentExpression node)
{
level--;
}
public override bool Enter(LeftAssignmentExpression node)
{
Print("LeftAssignmentExpression {0}", node.Operator);
level++;
return(true);
}
private LeftAssignmentExpression ParseLeftAssignmentExpression()
{
var exp = new LeftAssignmentExpression
{
Token = Next(),
Variable = ParseLeftHandSideExpression(),
Operator = Next()
};
Match(TokenType.OpAssign);
exp.Operand = ParseAssignmentExpression();
return exp;
}
public virtual object Walk(LeftAssignmentExpression node)
{
if (Enter(node))
{
node.Variable.Accept(this);
node.Operand.Accept(this);
}
Exit(node);
return null;
}
