private void EnsureScope(ParseContext ec)
{
if (_scope != null)
{
return;
}
ParametersCompiled parameters;
if (HasExplicitParameters)
{
parameters = new ParametersCompiled(
Parameters.Select(o => new Parameter(o.Name, null, o.Span)
{
ParameterType = o.Type.Resolve(ec).Type
}));
}
else
{
parameters = new ParametersCompiled(Parameters.Select(o => new ImplicitLambdaParameter(o.Name, null, o.Span)));
}
var scope = Scope = new TopLevelScope(ec.Compiler, ec.CurrentScope, parameters, Span.Start);
for (int i = 0; i < parameters.Count; i++)
{
parameters[i].Scope = scope;
}
}
public void AddAnonymousChild(TopLevelScope b)
{
if (_anonymousChildren == null)
{
_anonymousChildren = new List <Scope>();
}
_anonymousChildren.Add(b);
}
public Scope(CompilerContext compilerContext, TopLevelScope parent, TopLevelScope source)
: this(compilerContext, parent, source.StartLocation, SourceLocation.None)
{
if (compilerContext != null)
{
_compilerContext = compilerContext;
}
_children = source._children;
_variables = source._variables;
}
public Scope(CompilerContext compilerContext, Scope parent, SourceLocation startLocation, SourceLocation endLocation)
{
if (parent != null)
{
parent.AddChild(this);
TopLevel = parent.TopLevel;
Explicit = parent.Explicit;
}
_startLocation = startLocation;
_compilerContext = compilerContext ?? ((parent == null) ? null : parent._compilerContext);
EndLocation = endLocation;
Parent = parent;
}
public override void BeginInit(ParseContext parseContext, bool raiseInitialized)
{
base.BeginInit(parseContext, false);
if (_queryScope == null)
{
_queryScope = new QueryScope(
parseContext.Compiler,
parseContext.CurrentScope,
Span.Start);
}
if (Scope == null)
{
Scope = _queryScope.TopLevel;
}
parseContext.CurrentScope = _queryScope;
if (raiseInitialized)
{
OnInitialized();
}
}
protected virtual bool CheckParentConflictName(TopLevelScope scope, string name, SourceSpan span)
{
if (scope != null)
{
var e = scope.GetParameterReference(name, span);
if (e != null)
{
var pr = e as ParameterReference;
if ((this is QueryScope) &&
(((pr != null) && (pr.Parameter is QueryScope.ImplicitQueryParameter)) ||
e is MemberAccessExpression))
{
_compilerContext.Errors.Add(
_compilerContext.SourceUnit,
"Duplicate variable name: " + name,
span,
255,
Severity.Error);
return(false);
}
}
}
return(true);
}
protected static Expression CreateRangeVariableType(
TopLevelScope scope,
ParseContext parseContext,
RangeDeclaration declaration,
Expression initializer)
{
var anonInitializer = new AnonymousObjectInitializer
{
FileName = declaration.FileName,
Span = initializer.Span,
};
anonInitializer.MemberDeclarators.Add(new AnonymousMemberDeclarator(scope.Parameters[0]));
anonInitializer.MemberDeclarators.Add(
new RangeAnonymousMemberDeclarator(
initializer,
declaration));
return(new AnonymousObjectCreationExpression
{
FileName = declaration.FileName,
Span = declaration.Span,
Initializer = anonInitializer
});
}
public SelectManyClause(TopLevelScope scope, RangeDeclaration lt, Expression expr)
: base(scope, expr)
{
RangeVariable = lt;
}
protected override bool CheckParentConflictName(TopLevelScope block, string name, SourceSpan span)
{
return(true);
}
protected RangeVariableQueryClause(TopLevelScope scope, Expression baseExpression)
{
Scope = scope;
Expression = baseExpression;
Span = baseExpression.Span;
}
public TopLevelParameterInfo(TopLevelScope block, int index)
{
Scope = block;
Index = index;
}