private AstParameters /*!*/ DefineParameters(out MSA.ParameterExpression /*!*/ selfVariable, out MSA.ParameterExpression /*!*/ blockParamVariable)
{
var parameters = new AstParameters(
HiddenParameterCount +
(HasFormalParametersInArray ? 1 : _parameters.LeftValues.Count) +
(HasUnsplatParameter ? 1 : 0)
);
// hidden parameters:
// #proc must be the first one - it is used as instance target for method invocation:
parameters.Add(blockParamVariable = Ast.Parameter(typeof(BlockParam), "#proc"));
parameters.Add(selfVariable = Ast.Parameter(typeof(object), "#self"));
if (HasFormalParametersInArray)
{
parameters.Add(Ast.Parameter(typeof(object[]), "#parameters"));
}
else
{
for (int i = 0; i < _parameters.LeftValues.Count; i++)
{
parameters.Add(Ast.Parameter(typeof(object), "#" + i));
}
}
if (HasUnsplatParameter)
{
parameters.Add(Ast.Parameter(typeof(RubyArray), "#array"));
}
return(parameters);
}
private ScopeBuilder /*!*/ DefineLocals(out AstParameters /*!*/ parameters)
{
parameters = new AstParameters(
HiddenParameterCount +
(_parameters.Mandatory != null ? _parameters.Mandatory.Count : 0) +
(_parameters.Optional != null ? _parameters.Optional.Count : 0) +
(_parameters.Array != null ? 1 : 0)
);
int closureIndex = 0;
int firstClosureParam = 1;
parameters.Add(Ast.Parameter(typeof(object), "#self"));
if (_parameters.Block != null)
{
parameters.Add(Ast.Parameter(typeof(Proc), _parameters.Block.Name));
_parameters.Block.SetClosureIndex(closureIndex++);
}
else
{
parameters.Add(Ast.Parameter(typeof(Proc), "#block"));
firstClosureParam++;
}
if (_parameters.Mandatory != null)
{
foreach (var param in _parameters.Mandatory)
{
parameters.Add(Ast.Parameter(typeof(object), param.Name));
param.SetClosureIndex(closureIndex++);
}
}
if (_parameters.Optional != null)
{
foreach (var lvalue in _parameters.Optional)
{
var param = (LocalVariable)lvalue.Left;
parameters.Add(Ast.Parameter(typeof(object), param.Name));
param.SetClosureIndex(closureIndex++);
}
}
if (_parameters.Array != null)
{
parameters.Add(Ast.Parameter(typeof(object), _parameters.Array.Name));
_parameters.Array.SetClosureIndex(closureIndex++);
}
// allocate closure slots for locals:
int localCount = DefinedScope.AllocateClosureSlotsForLocals(closureIndex);
return(new ScopeBuilder(parameters, firstClosureParam, localCount, null, DefinedScope));
}
public ScopeBuilder(AstParameters parameters, int firstClosureParam, int localCount,
ScopeBuilder parent, LexicalScope/*!*/ lexicalScope) {
Debug.Assert(parent == null || parent.LexicalScope == lexicalScope.OuterScope);
#if DEBUG
_id = Interlocked.Increment(ref _Id);
#endif
_parent = parent;
_parameters = parameters;
_localCount = localCount;
_firstClosureParam = firstClosureParam;
_lexicalScope = lexicalScope;
_hiddenVariables = new AstParameters();
_localsTuple = DefineHiddenVariable("#locals", MakeLocalsTupleType());
_outermostClosureReferredTo = this;
}
public ScopeBuilder(AstParameters parameters, int firstClosureParam, int localCount,
ScopeBuilder parent, LexicalScope /*!*/ lexicalScope)
{
Debug.Assert(parent == null || parent.LexicalScope == lexicalScope.OuterScope);
#if DEBUG
_id = Interlocked.Increment(ref _Id);
#endif
_parent = parent;
_parameters = parameters;
_localCount = localCount;
_firstClosureParam = firstClosureParam;
_lexicalScope = lexicalScope;
_hiddenVariables = new AstParameters();
_localsTuple = DefineHiddenVariable("#locals", MakeLocalsTupleType());
_outermostClosureReferredTo = this;
}
private ScopeBuilder/*!*/ DefineLocals(out AstParameters/*!*/ parameters) {
parameters = new AstParameters(
HiddenParameterCount +
(_parameters.Mandatory != null ? _parameters.Mandatory.Count : 0) +
(_parameters.Optional != null ? _parameters.Optional.Count : 0) +
(_parameters.Array != null ? 1 : 0)
);
int closureIndex = 0;
int firstClosureParam = 1;
parameters.Add(Ast.Parameter(typeof(object), "#self"));
if (_parameters.Block != null) {
parameters.Add(Ast.Parameter(typeof(Proc), _parameters.Block.Name));
_parameters.Block.SetClosureIndex(closureIndex++);
} else {
parameters.Add(Ast.Parameter(typeof(Proc), "#block"));
firstClosureParam++;
}
if (_parameters.Mandatory != null) {
foreach (var param in _parameters.Mandatory) {
parameters.Add(Ast.Parameter(typeof(object), param.Name));
param.SetClosureIndex(closureIndex++);
}
}
if (_parameters.Optional != null) {
foreach (var lvalue in _parameters.Optional) {
var param = (LocalVariable)lvalue.Left;
parameters.Add(Ast.Parameter(typeof(object), param.Name));
param.SetClosureIndex(closureIndex++);
}
}
if (_parameters.Array != null) {
parameters.Add(Ast.Parameter(typeof(object), _parameters.Array.Name));
_parameters.Array.SetClosureIndex(closureIndex++);
}
// allocate closure slots for locals:
int localCount = DefinedScope.AllocateClosureSlotsForLocals(closureIndex);
return new ScopeBuilder(parameters, firstClosureParam, localCount, null, DefinedScope);
}
private AstParameters /*!*/ DefineParameters(out MSA.ParameterExpression /*!*/ selfVariable, out MSA.ParameterExpression /*!*/ blockParamVariable)
{
// Block signature:
// <proc>, <self>, <leading-mandatory>, <trailing-mandatory>, <optional>, &<block>, *<unsplat>
// or
// <proc>, <self>, object[] { <leading-mandatory>, <trailing-mandatory>, <optional>, &<block> } *<unsplat>,
var parameters = new AstParameters(
HiddenParameterCount +
(HasFormalParametersInArray ? 1 : ParameterCount) +
(HasUnsplatParameter ? 1 : 0) +
(HasProcParameter ? 1 : 0)
);
// hidden parameters:
// #proc must be the first one - it is used as instance target for method invocation:
parameters.Add(blockParamVariable = Ast.Parameter(typeof(BlockParam), "#bp"));
parameters.Add(selfVariable = Ast.Parameter(typeof(object), "#self"));
if (HasFormalParametersInArray)
{
parameters.Add(Ast.Parameter(typeof(object[]), "#parameters"));
}
else
{
for (int i = 0; i < ParameterCount; i++)
{
parameters.Add(Ast.Parameter(typeof(object), "#" + i));
}
}
if (HasUnsplatParameter)
{
parameters.Add(Ast.Parameter(typeof(RubyArray), "#array"));
}
if (HasProcParameter)
{
parameters.Add(Ast.Parameter(typeof(Proc), "#proc"));
}
return(parameters);
}
private static MSA.LambdaExpression /*!*/ CreateLambda(string /*!*/ name, AstParameters /*!*/ parameters, MSA.Expression /*!*/ body)
{
var result = MethodDispatcher.CreateRubyMethodLambda(body, name, parameters);
if (result != null)
{
return(result);
}
// to many parameters for Func<> delegate -> use object[]:
MSA.ParameterExpression array = Ast.Parameter(typeof(object[]), "#params");
var actualParameters = new AstParameters()
{
parameters[0], parameters[1], array
};
parameters.RemoveAt(0);
parameters.RemoveAt(1);
var bodyWithParamInit = new AstExpressions(parameters.Count + 1);
for (int i = 0; i < parameters.Count; i++)
{
bodyWithParamInit[i] = Ast.Assign(parameters[i], Ast.ArrayIndex(array, AstUtils.Constant(i)));
}
bodyWithParamInit[parameters.Count] = body;
return(Ast.Lambda <Func <object, Proc, object[], object> >(
Ast.Block(
parameters,
bodyWithParamInit
),
name,
actualParameters
));
}
private static MSA.LambdaExpression/*!*/ CreateLambda(string/*!*/ name, AstParameters/*!*/ parameters, MSA.Expression/*!*/ body) {
var result = MethodDispatcher.CreateRubyMethodLambda(body, name, parameters);
if (result != null) {
return result;
}
// to many parameters for Func<> delegate -> use object[]:
MSA.ParameterExpression array = Ast.Parameter(typeof(object[]), "#params");
var actualParameters = new AstParameters() { parameters[0], parameters[1], array };
parameters.RemoveAt(0);
parameters.RemoveAt(1);
var bodyWithParamInit = new AstExpressions(parameters.Count + 1);
for (int i = 0; i < parameters.Count; i++) {
bodyWithParamInit[i] = Ast.Assign(parameters[i], Ast.ArrayIndex(array, AstUtils.Constant(i)));
}
bodyWithParamInit[parameters.Count] = body;
return Ast.Lambda<Func<object, Proc, object[], object>>(
Ast.Block(
parameters,
bodyWithParamInit
),
name,
actualParameters
);
}
private MSA.Expression /*!*/ MakeParametersInitialization(AstGenerator /*!*/ gen, AstParameters /*!*/ parameters)
{
var result = new AstExpressions(
_parameters.LeftValues.Count +
(_parameters.UnsplattedValue != null ? 1 : 0) +
1
);
bool paramsInArray = HasFormalParametersInArray;
for (int i = 0; i < _parameters.LeftValues.Count; i++)
{
var parameter = paramsInArray ? (MSA.Expression)
Ast.ArrayAccess(parameters[HiddenParameterCount], AstUtils.Constant(i)) :
parameters[HiddenParameterCount + i];
result.Add(_parameters.LeftValues[i].TransformWrite(gen, parameter));
}
if (_parameters.UnsplattedValue != null)
{
// the last parameter is unsplat:
var parameter = parameters[parameters.Count - 1];
result.Add(_parameters.UnsplattedValue.TransformWrite(gen, parameter));
}
result.Add(AstUtils.Empty());
return(Ast.Block(result));
}
private AstParameters/*!*/ DefineParameters(out MSA.ParameterExpression/*!*/ selfVariable, out MSA.ParameterExpression/*!*/ blockParamVariable) {
// Block signature:
// <proc>, <self>, <leading-mandatory>, <trailing-mandatory>, <optional>, &<block>, *<unsplat>
// or
// <proc>, <self>, object[] { <leading-mandatory>, <trailing-mandatory>, <optional>, &<block> } *<unsplat>,
var parameters = new AstParameters(
HiddenParameterCount +
(HasFormalParametersInArray ? 1 : ParameterCount) +
(HasUnsplatParameter ? 1 : 0) +
(HasProcParameter ? 1 : 0)
);
// hidden parameters:
// #proc must be the first one - it is used as instance target for method invocation:
parameters.Add(blockParamVariable = Ast.Parameter(typeof(BlockParam), "#bp"));
parameters.Add(selfVariable = Ast.Parameter(typeof(object), "#self"));
if (HasFormalParametersInArray) {
parameters.Add(Ast.Parameter(typeof(object[]), "#parameters"));
} else {
for (int i = 0; i < ParameterCount; i++) {
parameters.Add(Ast.Parameter(typeof(object), "#" + i));
}
}
if (HasUnsplatParameter) {
parameters.Add(Ast.Parameter(typeof(RubyArray), "#array"));
}
if (HasProcParameter) {
parameters.Add(Ast.Parameter(typeof(Proc), "#proc"));
}
return parameters;
}
private MSA.Expression/*!*/ MakeParametersInitialization(AstGenerator/*!*/ gen, AstParameters/*!*/ parameters) {
var result = new AstExpressions(
ParameterCount +
(_parameters.Optional.Length > 0 ? 1 : 0) +
(_parameters.Unsplat != null ? 1 : 0) +
(_parameters.Block != null ? 1 : 0) +
1
);
// TODO: we can skip parameters that are locals (need to be defined as parameters, not as #n):
var paramsArray = HasFormalParametersInArray ? parameters[HiddenParameterCount] : null;
int parameterIndex = 0;
for (int i = 0; i < _parameters.Mandatory.Length; i++) {
result.Add(_parameters.Mandatory[i].TransformWrite(gen, GetParameterAccess(parameters, paramsArray, parameterIndex)));
parameterIndex++;
}
if (_parameters.Optional.Length > 0) {
for (int i = 0; i < _parameters.Optional.Length; i++) {
result.Add(_parameters.Optional[i].Left.TransformWrite(gen, GetParameterAccess(parameters, paramsArray, parameterIndex)));
parameterIndex++;
}
result.Add(_parameters.TransformOptionalsInitialization(gen));
}
if (_parameters.Unsplat != null) {
// the last parameter is unsplat:
result.Add(_parameters.Unsplat.TransformWrite(gen, parameters[parameters.Count - (_parameters.Block != null ? 2 : 1)]));
}
if (_parameters.Block != null) {
result.Add(_parameters.Block.TransformWrite(gen, parameters[parameters.Count - 1]));
parameterIndex++;
}
result.Add(AstUtils.Empty());
return Ast.Block(result);
}
private MSA.Expression/*!*/ GetParameterAccess(AstParameters/*!*/ parameters, MSA.Expression paramsArray, int i) {
return (paramsArray != null) ? (MSA.Expression)Ast.ArrayAccess(paramsArray, AstUtils.Constant(i)) : parameters[HiddenParameterCount + i];
}
private AstParameters/*!*/ DefineParameters(out MSA.ParameterExpression/*!*/ selfVariable, out MSA.ParameterExpression/*!*/ blockParamVariable) {
var parameters = new AstParameters(
HiddenParameterCount +
(HasFormalParametersInArray ? 1 : _parameters.LeftValues.Count) +
(HasUnsplatParameter ? 1 : 0)
);
// hidden parameters:
// #proc must be the first one - it is used as instance target for method invocation:
parameters.Add(blockParamVariable = Ast.Parameter(typeof(BlockParam), "#proc"));
parameters.Add(selfVariable = Ast.Parameter(typeof(object), "#self"));
if (HasFormalParametersInArray) {
parameters.Add(Ast.Parameter(typeof(object[]), "#parameters"));
} else {
for (int i = 0; i < _parameters.LeftValues.Count; i++) {
parameters.Add(Ast.Parameter(typeof(object), "#" + i));
}
}
if (HasUnsplatParameter) {
parameters.Add(Ast.Parameter(typeof(RubyArray), "#array"));
}
return parameters;
}
private MSA.Expression/*!*/ MakeParametersInitialization(AstGenerator/*!*/ gen, AstParameters/*!*/ parameters) {
var result = new AstExpressions(
_parameters.LeftValues.Count +
(_parameters.UnsplattedValue != null ? 1 : 0) +
1
);
bool paramsInArray = HasFormalParametersInArray;
for (int i = 0; i < _parameters.LeftValues.Count; i++) {
var parameter = paramsInArray ? (MSA.Expression)
Ast.ArrayAccess(parameters[HiddenParameterCount], AstUtils.Constant(i)) :
parameters[HiddenParameterCount + i];
result.Add(_parameters.LeftValues[i].TransformWrite(gen, parameter));
}
if (_parameters.UnsplattedValue != null) {
// the last parameter is unsplat:
var parameter = parameters[parameters.Count - 1];
result.Add(_parameters.UnsplattedValue.TransformWrite(gen, parameter));
}
result.Add(AstUtils.Empty());
return Ast.Block(result);
}
/*!*/
private ScopeBuilder DefineLocals(out AstParameters/*!*/ parameters)
{
// Method signature:
// <self>, &<block>, <leading-mandatory>, <trailing-mandatory>, <optional>, *<unsplat>
parameters = new AstParameters(
HiddenParameterCount +
_parameters.Mandatory.Length +
_parameters.Optional.Length +
(_parameters.Unsplat != null ? 1 : 0)
);
int closureIndex = 0;
int firstClosureParam = 1;
parameters.Add(Ast.Parameter(typeof(object), "#self"));
if (_parameters.Block != null) {
parameters.Add(Ast.Parameter(typeof(Proc), _parameters.Block.Name));
_parameters.Block.SetClosureIndex(closureIndex++);
} else {
parameters.Add(Ast.Parameter(typeof(Proc), "#block"));
firstClosureParam++;
}
foreach (LeftValue lvalue in _parameters.Mandatory) {
var param = lvalue as LocalVariable;
if (param != null) {
parameters.Add(Ast.Parameter(typeof(object), param.Name));
param.SetClosureIndex(closureIndex++);
} else {
// TODO:
throw new NotSupportedException("TODO: compound parameters");
}
}
foreach (var lvalue in _parameters.Optional) {
var param = (LocalVariable)lvalue.Left;
parameters.Add(Ast.Parameter(typeof(object), param.Name));
param.SetClosureIndex(closureIndex++);
}
if (_parameters.Unsplat != null) {
var unsplatLocal = (LocalVariable)_parameters.Unsplat;
parameters.Add(Ast.Parameter(typeof(object), unsplatLocal.Name));
unsplatLocal.SetClosureIndex(closureIndex++);
}
// allocate closure slots for locals:
int localCount = DefinedScope.AllocateClosureSlotsForLocals(closureIndex);
return new ScopeBuilder(parameters, firstClosureParam, localCount, null, DefinedScope);
}
private MSA.Expression /*!*/ MakeParametersInitialization(AstGenerator /*!*/ gen, AstParameters /*!*/ parameters)
{
var result = new AstExpressions(
ParameterCount +
(_parameters.Optional.Length > 0 ? 1 : 0) +
(_parameters.Unsplat != null ? 1 : 0) +
(_parameters.Block != null ? 1 : 0) +
1
);
// TODO: we can skip parameters that are locals (need to be defined as parameters, not as #n):
var paramsArray = HasFormalParametersInArray ? parameters[HiddenParameterCount] : null;
int parameterIndex = 0;
for (int i = 0; i < _parameters.Mandatory.Length; i++)
{
result.Add(_parameters.Mandatory[i].TransformWrite(gen, GetParameterAccess(parameters, paramsArray, parameterIndex)));
parameterIndex++;
}
if (_parameters.Optional.Length > 0)
{
for (int i = 0; i < _parameters.Optional.Length; i++)
{
result.Add(_parameters.Optional[i].Left.TransformWrite(gen, GetParameterAccess(parameters, paramsArray, parameterIndex)));
parameterIndex++;
}
result.Add(_parameters.TransformOptionalsInitialization(gen));
}
if (_parameters.Unsplat != null)
{
// the last parameter is unsplat:
result.Add(_parameters.Unsplat.TransformWrite(gen, parameters[parameters.Count - (_parameters.Block != null ? 2 : 1)]));
}
if (_parameters.Block != null)
{
result.Add(_parameters.Block.TransformWrite(gen, parameters[parameters.Count - 1]));
parameterIndex++;
}
result.Add(AstUtils.Empty());
return(Ast.Block(result));
}
private MSA.Expression /*!*/ GetParameterAccess(AstParameters /*!*/ parameters, MSA.Expression paramsArray, int i)
{
return((paramsArray != null) ? (MSA.Expression)Ast.ArrayAccess(paramsArray, AstUtils.Constant(i)) : parameters[HiddenParameterCount + i]);
}
private ScopeBuilder /*!*/ DefineLocals(out AstParameters /*!*/ parameters)
{
// Method signature:
// <self>, &<block>, <leading-mandatory>, <trailing-mandatory>, <optional>, *<unsplat>
parameters = new AstParameters(
HiddenParameterCount +
_parameters.Mandatory.Length +
_parameters.Optional.Length +
(_parameters.Unsplat != null ? 1 : 0)
);
int closureIndex = 0;
int firstClosureParam = 1;
parameters.Add(Ast.Parameter(typeof(object), "#self"));
if (_parameters.Block != null)
{
parameters.Add(Ast.Parameter(typeof(Proc), _parameters.Block.Name));
_parameters.Block.SetClosureIndex(closureIndex++);
}
else
{
parameters.Add(Ast.Parameter(typeof(Proc), "#block"));
firstClosureParam++;
}
foreach (LeftValue lvalue in _parameters.Mandatory)
{
var param = lvalue as LocalVariable;
if (param != null)
{
parameters.Add(Ast.Parameter(typeof(object), param.Name));
param.SetClosureIndex(closureIndex++);
}
else
{
// TODO:
throw new NotSupportedException("TODO: compound parameters");
}
}
foreach (var lvalue in _parameters.Optional)
{
var param = (LocalVariable)lvalue.Left;
parameters.Add(Ast.Parameter(typeof(object), param.Name));
param.SetClosureIndex(closureIndex++);
}
if (_parameters.Unsplat != null)
{
var unsplatLocal = (LocalVariable)_parameters.Unsplat;
parameters.Add(Ast.Parameter(typeof(object), unsplatLocal.Name));
unsplatLocal.SetClosureIndex(closureIndex++);
}
// allocate closure slots for locals:
int localCount = DefinedScope.AllocateClosureSlotsForLocals(closureIndex);
return(new ScopeBuilder(parameters, firstClosureParam, localCount, null, DefinedScope));
}