internal override void Emit(EmitContext ec)
{
ILGenerator ig = ec.ig;
LocalBuilder local_builder;
if (op != JSToken.None)
{
Type t = typeof(Equality);
local_builder = ig.DeclareLocal(t);
if (op == JSToken.Equal)
{
ig.Emit(OpCodes.Ldc_I4_S, (byte)53);
}
else if (op == JSToken.NotEqual)
{
ig.Emit(OpCodes.Ldc_I4_S, (byte)54);
}
ig.Emit(OpCodes.Newobj, t.GetConstructor(new Type [] { typeof(int) }));
ig.Emit(OpCodes.Stloc, local_builder);
ig.Emit(OpCodes.Ldloc, local_builder);
}
if (left != null)
{
left.Emit(ec);
CodeGenerator.EmitBox(ig, left);
}
if (right != null)
{
right.Emit(ec);
CodeGenerator.EmitBox(ig, right);
}
if (op == JSToken.Equal || op == JSToken.NotEqual)
{
ig.Emit(OpCodes.Call, typeof(Equality).GetMethod("EvaluateEquality"));
if (no_effect)
{
Label t_lbl = ig.DefineLabel();
Label f_lbl = ig.DefineLabel();
if (op == JSToken.Equal)
{
ig.Emit(OpCodes.Brtrue_S, t_lbl);
}
else if (op == JSToken.NotEqual)
{
ig.Emit(OpCodes.Brfalse_S, t_lbl);
}
ig.Emit(OpCodes.Ldc_I4_0);
ig.Emit(OpCodes.Br_S, f_lbl);
ig.MarkLabel(t_lbl);
ig.Emit(OpCodes.Ldc_I4_1);
ig.MarkLabel(f_lbl);
ig.Emit(OpCodes.Pop);
}
}
}
internal override void Emit(EmitContext ec)
{
int i = 0;
ILGenerator ig = ec.ig;
ArrayList exps = elems.elems;
FieldInfo missing = null;
if (skip_count != 0)
{
missing = typeof(Missing).GetField("Value");
}
ig.Emit(OpCodes.Ldc_I4, elems.Size);
ig.Emit(OpCodes.Newarr, typeof(object));
foreach (AST ast in exps)
{
ig.Emit(OpCodes.Dup);
ig.Emit(OpCodes.Ldc_I4, i);
if (ast != null)
{
ast.Emit(ec);
CodeGenerator.EmitBox(ig, ast);
}
else
{
ig.Emit(OpCodes.Ldsfld, missing);
}
ig.Emit(OpCodes.Stelem_Ref);
i++;
}
ig.Emit(OpCodes.Call, typeof(Globals).GetMethod("ConstructArrayLiteral"));
}
internal override void Emit(EmitContext ec)
{
if (left != null)
{
left.Emit(ec);
CodeGenerator.EmitBox(ec.ig, left);
}
if (right != null)
{
right.Emit(ec);
CodeGenerator.EmitBox(ec.ig, right);
}
ec.ig.Emit(OpCodes.Call, typeof(StrictEquality).GetMethod("JScriptStrictEquals"));
}
internal override void Emit(EmitContext ec)
{
ILGenerator ig = ec.ig;
Label false_lbl = ig.DefineLabel();
Label merge_lbl = ig.DefineLabel();
CodeGenerator.fall_true(ec, cond, false_lbl);
CodeGenerator.EmitBox(ig, cond);
if (true_stm != null)
{
true_stm.Emit(ec);
}
ig.Emit(OpCodes.Br, merge_lbl);
ig.MarkLabel(false_lbl);
if (false_stm != null)
{
false_stm.Emit(ec);
}
ig.MarkLabel(merge_lbl);
}
internal override void Emit(EmitContext ec)
{
ILGenerator ig = ec.ig;
if (parent == null || (parent.GetType() != typeof(FunctionDeclaration) &&
parent.GetType() != typeof(FunctionExpression)))
{
if (val != null)
{
val.Emit(ec);
CodeGenerator.EmitBox(ig, val);
ig.Emit(OpCodes.Stsfld, field_info);
}
}
else
{
if (val != null)
{
val.Emit(ec);
CodeGenerator.EmitBox(ig, val);
ig.Emit(OpCodes.Stloc, local_builder);
}
}
}
internal override void Emit(EmitContext ec)
{
ec.ig.Emit(OpCodes.Ldstr, property_name);
exp.Emit(ec);
CodeGenerator.EmitBox(ec.ig, exp);
}
internal override void Emit(EmitContext ec)
{
ILGenerator ig = ec.ig;
if (op == JSToken.None && right == null)
{
left.Emit(ec);
return;
}
else if (op == JSToken.Instanceof)
{
if (left != null)
{
left.Emit(ec);
CodeGenerator.EmitBox(ig, left);
}
if (right != null)
{
right.Emit(ec);
CodeGenerator.EmitBox(ig, right);
}
ig.Emit(OpCodes.Call, typeof(Instanceof).GetMethod("JScriptInstanceof"));
ig.Emit(OpCodes.Box, typeof(Boolean));
return;
}
else if (op == JSToken.In)
{
if (left != null)
{
left.Emit(ec);
}
if (right != null)
{
right.Emit(ec);
}
ig.Emit(OpCodes.Call, typeof(In).GetMethod("JScriptIn"));
return;
}
Type t = typeof(Relational);
LocalBuilder loc = ig.DeclareLocal(t);
ConstructorInfo ctr_info;
switch (op)
{
case JSToken.GreaterThan:
ig.Emit(OpCodes.Ldc_I4_S, (byte)57);
break;
case JSToken.LessThan:
ig.Emit(OpCodes.Ldc_I4_S, (byte)58);
break;
case JSToken.LessThanEqual:
ig.Emit(OpCodes.Ldc_I4_S, (byte)59);
break;
case JSToken.GreaterThanEqual:
ig.Emit(OpCodes.Ldc_I4_S, (byte)60);
break;
}
ctr_info = typeof(Relational).GetConstructor(new Type [] { typeof(Int32) });
ig.Emit(OpCodes.Newobj, ctr_info);
ig.Emit(OpCodes.Stloc, loc);
ig.Emit(OpCodes.Ldloc, loc);
if (left != null)
{
left.Emit(ec);
CodeGenerator.EmitBox(ig, left);
}
if (right != null)
{
right.Emit(ec);
CodeGenerator.EmitBox(ig, right);
}
ig.Emit(OpCodes.Call, t.GetMethod("EvaluateRelational"));
if (no_effect)
{
ig.Emit(OpCodes.Pop);
}
}
