public JSForLoop(JSStatement initializer, JSExpression condition, JSStatement increment, params JSStatement[] body)
{
_Initializer = initializer;
_Condition = condition;
_Increment = increment;
Statements.AddRange(body);
}
public override void ReplaceChild(JSNode oldChild, JSNode newChild)
{
if (oldChild == null)
{
throw new ArgumentNullException("oldChild");
}
if (_Condition == oldChild)
{
_Condition = (JSExpression)newChild;
}
var cse = newChild as JSSwitchCase;
if (cse != null)
{
for (int i = 0, c = Cases.Count; i < c; i++)
{
if (Cases[i] == oldChild)
{
Cases[i] = cse;
}
}
}
}
public override void ReplaceChild(JSNode oldChild, JSNode newChild)
{
if (oldChild == null)
{
throw new ArgumentNullException("oldChild");
}
if (_Initializer == oldChild)
{
_Initializer = (JSStatement)newChild;
}
if (_Condition == oldChild)
{
_Condition = (JSExpression)newChild;
}
if (_Increment == oldChild)
{
_Increment = (JSStatement)newChild;
}
if (newChild is JSStatement)
{
base.ReplaceChild(oldChild, newChild);
}
}
static JSNode()
{
var tNode = typeof(JSNode);
var typesToWalk = (from t in tNode.Assembly.GetTypes() where tNode.IsAssignableFrom(t) select t).ToArray();
var nodeTypesById = new List <Type>();
// Assign a unique ID to all node types in the type hierarchy
foreach (var nodeType in typesToWalk)
{
var type = nodeType;
while (type != null)
{
if (!TypeIds.ContainsKey(type))
{
TypeIds.Add(type, nodeTypesById.Count);
nodeTypesById.Add(type);
}
if (type == tNode)
{
break;
}
type = type.BaseType;
}
}
NodeTypes = nodeTypesById.ToArray();
NodeSelfAndBaseTypeIds = new int[NodeTypes.Length][];
var ids = new List <int>();
for (var i = 0; i < NodeTypes.Length; i++)
{
ids.Clear();
var type = NodeTypes[i];
while (type != null)
{
ids.Add(GetTypeId(type));
if (type == tNode)
{
break;
}
type = type.BaseType;
}
NodeSelfAndBaseTypeIds[i] = ids.ToArray();
}
JSExpression.Initialize();
JSNodeTraversalData.Initialize();
}
public JSLambda(JSFunctionExpression function, JSExpression @this, bool useBind)
: base(function)
{
if (@this == null)
{
throw new ArgumentNullException("this");
}
This = @this;
UseBind = useBind;
}
public override void ReplaceChild(JSNode oldChild, JSNode newChild)
{
if (oldChild == null)
{
throw new ArgumentNullException("oldChild");
}
if (oldChild == _Expression)
{
_Expression = (JSExpression)newChild;
}
}
public override void ReplaceChild(JSNode oldChild, JSNode newChild)
{
if (newChild == this)
{
throw new InvalidOperationException("Direct cycle formed by replacement");
}
if (DefaultValue == oldChild)
{
DefaultValue = (JSExpression)newChild;
}
}
public JSIfStatement(JSExpression condition, JSStatement trueClause, JSStatement falseClause = null)
{
_Condition = condition;
_TrueClause = trueClause;
_FalseClause = falseClause;
if (_TrueClause != null)
{
_TrueClause.IsControlFlow = true;
}
if (_FalseClause != null)
{
_FalseClause.IsControlFlow = true;
}
}
static bool GetValue(JSNode parent, int index, out JSNode node, out string name)
{
JSExpression expr = (JSExpression)parent;
var values = expr.Values;
if (index >= values.Length)
{
node = null;
name = null;
return(false);
}
else
{
node = values[index];
name = expr.GetValueName(index) ?? "Values";
return(true);
}
}
public JSIfStatement(JSExpression condition, JSStatement trueClause, JSStatement falseClause = null)
{
_Condition = condition;
_TrueClause = trueClause;
_FalseClause = falseClause;
var trueBlock = _TrueClause as JSBlockStatement;
if (trueBlock != null)
{
trueBlock.IsControlFlow = true;
}
var falseBlock = _FalseClause as JSBlockStatement;
if (falseBlock != null)
{
falseBlock.IsControlFlow = true;
}
}
public override void ReplaceChild(JSNode oldChild, JSNode newChild)
{
if (oldChild == null)
{
throw new ArgumentNullException("oldChild");
}
if (_Condition == oldChild)
{
_Condition = (JSExpression)newChild;
}
if (_TrueClause == oldChild)
{
_TrueClause = (JSStatement)newChild;
}
if (_FalseClause == oldChild)
{
_FalseClause = (JSStatement)newChild;
}
}
public static TypeReference ExtractType(JSExpression expression)
{
while (expression != null)
{
var pii = expression as JSPublicInterfaceOfExpression;
var jst = expression as JSType;
if (pii != null)
{
expression = pii.Inner;
}
else if (jst != null)
{
return(jst.Type);
}
else
{
return(null);
}
}
return(null);
}
public JSVariable(string name, TypeReference type, MethodReference function, JSExpression defaultValue = null)
: base(type)
{
Name = name;
if (type == null)
{
throw new ArgumentNullException("type");
}
if (type is ByReferenceType)
{
type = ((ByReferenceType)type).ElementType;
_IsReference = true;
}
else
{
_IsReference = false;
}
Function = function;
DefaultValue = defaultValue ?? new JSDefaultValueLiteral(type);
}
public JSExpressionStatement(JSExpression expression)
{
_Expression = expression;
}
public JSTemporaryVariable(string name, TypeReference type, MethodReference function, JSExpression defaultValue = null)
: base(name, type, function, defaultValue)
{
}
internal JSClosureVariable(string name, TypeReference type, MethodReference function, JSExpression defaultValue = null)
: base(name, type, function, defaultValue)
{
}
public JSSwitchStatement(JSExpression condition, params JSSwitchCase[] cases)
{
_Condition = condition;
Cases.AddRange(cases);
}
private JSAstBuilder(JSExpression expression)
{
_expression = expression;
}
public JSSwitchStatement(JSExpression condition, params JSSwitchCase[] cases)
{
IsControlFlow = true;
_Condition = condition;
Cases.AddRange(cases);
}
public static void EnsureTypeIdsAreAssigned()
{
if (AreTypeIdsAssigned)
{
return;
}
AreTypeIdsAssigned = true;
var tNode = typeof(JSNode);
var typesToWalk = (
from a in NodeAssemblies
from t in TypesToWalk(a)
where tNode.IsAssignableFrom(t)
select t
).ToList();
var nodeTypesById = new List <Type>();
// Assign a unique ID to all node types in the type hierarchy
foreach (var nodeType in typesToWalk)
{
var type = nodeType;
while (type != null)
{
if (!TypeIds.ContainsKey(type))
{
TypeIds.Add(type, nodeTypesById.Count);
nodeTypesById.Add(type);
}
if (type == tNode)
{
break;
}
type = type.BaseType;
}
}
_NodeTypes = nodeTypesById.ToArray();
_NodeSelfAndBaseTypeIds = new int[_NodeTypes.Length][];
var ids = new List <int>();
for (var i = 0; i < _NodeTypes.Length; i++)
{
ids.Clear();
var type = _NodeTypes[i];
while (type != null)
{
ids.Add(GetTypeId(type));
if (type == tNode)
{
break;
}
type = type.BaseType;
}
_NodeSelfAndBaseTypeIds[i] = ids.ToArray();
}
JSExpression.Initialize();
JSNodeTraversalData.Initialize();
}
public NoExpectedTypeException(JSExpression node)
: base(String.Format("Node of type {0} has no expected type: {1}", node.GetType().Name, node))
{
}
public JSDoLoop(JSExpression condition, params JSStatement[] body)
{
_Condition = condition;
Statements.AddRange(body);
}