public static SmallDictionary <SyntaxNode, Binder> BuildMap(
Symbol containingMemberOrLambda,
SyntaxNode syntax,
Binder enclosing,
Action <Binder, SyntaxNode> binderUpdatedHandler = null
)
{
var builder = new LocalBinderFactory(containingMemberOrLambda, syntax, enclosing);
StatementSyntax statement;
var expressionSyntax = syntax as ExpressionSyntax;
if (expressionSyntax != null)
{
enclosing = new ExpressionVariableBinder(syntax, enclosing);
if ((object)binderUpdatedHandler != null)
{
binderUpdatedHandler(enclosing, syntax);
}
builder.AddToMap(syntax, enclosing);
builder.Visit(expressionSyntax, enclosing);
}
else if (
syntax.Kind() != SyntaxKind.Block && (statement = syntax as StatementSyntax) != null
)
{
CSharpSyntaxNode embeddedScopeDesignator;
enclosing = builder.GetBinderForPossibleEmbeddedStatement(
statement,
enclosing,
out embeddedScopeDesignator
);
if ((object)binderUpdatedHandler != null)
{
binderUpdatedHandler(enclosing, embeddedScopeDesignator);
}
if (embeddedScopeDesignator != null)
{
builder.AddToMap(embeddedScopeDesignator, enclosing);
}
builder.Visit(statement, enclosing);
}
else
{
if ((object)binderUpdatedHandler != null)
{
binderUpdatedHandler(enclosing, null);
}
builder.Visit((CSharpSyntaxNode)syntax, enclosing);
}
return(builder._map);
}
// methodsWithYields will contain all function-declaration-like CSharpSyntaxNodes with yield statements contained within them.
// Currently the types of these are restricted to only be whatever the syntax parameter is, plus any LocalFunctionStatementSyntax contained within it.
// This may change if the language is extended to allow iterator lambdas, in which case the lambda would also be returned.
// (lambdas currently throw a diagnostic in WithLambdaParametersBinder.GetIteratorElementType when a yield is used within them)
public static SmallDictionary <SyntaxNode, Binder> BuildMap(
Symbol containingMemberOrLambda,
SyntaxNode syntax,
Binder enclosing,
ArrayBuilder <SyntaxNode> methodsWithYields,
Func <Binder, SyntaxNode, Binder> rootBinderAdjusterOpt = null)
{
var builder = new LocalBinderFactory(containingMemberOrLambda, syntax, enclosing, methodsWithYields);
StatementSyntax statement;
var expressionSyntax = syntax as ExpressionSyntax;
if (expressionSyntax != null)
{
enclosing = new ExpressionVariableBinder(syntax, enclosing);
if ((object)rootBinderAdjusterOpt != null)
{
enclosing = rootBinderAdjusterOpt(enclosing, syntax);
}
builder.AddToMap(syntax, enclosing);
builder.Visit(expressionSyntax, enclosing);
}
else if (syntax.Kind() != SyntaxKind.Block && (statement = syntax as StatementSyntax) != null)
{
CSharpSyntaxNode embeddedScopeDesignator;
enclosing = builder.GetBinderForPossibleEmbeddedStatement(statement, enclosing, out embeddedScopeDesignator);
if ((object)rootBinderAdjusterOpt != null)
{
enclosing = rootBinderAdjusterOpt(enclosing, embeddedScopeDesignator);
}
if (embeddedScopeDesignator != null)
{
builder.AddToMap(embeddedScopeDesignator, enclosing);
}
builder.Visit(statement, enclosing);
}
else
{
if ((object)rootBinderAdjusterOpt != null)
{
enclosing = rootBinderAdjusterOpt(enclosing, null);
}
builder.Visit((CSharpSyntaxNode)syntax, enclosing);
}
// the other place this is possible is in a local function
if (builder._sawYield)
{
methodsWithYields.Add(syntax);
}
return(builder._map);
}
// methodsWithYields will contain all function-declaration-like CSharpSyntaxNodes with yield statements contained within them.
// Currently the types of these are restricted to only be whatever the syntax parameter is, plus any LocalFunctionStatementSyntax contained within it.
// This may change if the language is extended to allow iterator lambdas, in which case the lambda would also be returned.
// (lambdas currently throw a diagnostic in WithLambdaParametersBinder.GetIteratorElementType when a yield is used within them)
public static SmallDictionary<SyntaxNode, Binder> BuildMap(
Symbol containingMemberOrLambda,
SyntaxNode syntax,
Binder enclosing,
ArrayBuilder<SyntaxNode> methodsWithYields,
Func<Binder, SyntaxNode, Binder> rootBinderAdjusterOpt = null)
{
var builder = new LocalBinderFactory(containingMemberOrLambda, syntax, enclosing, methodsWithYields);
StatementSyntax statement;
var expressionSyntax = syntax as ExpressionSyntax;
if (expressionSyntax != null)
{
enclosing = new ExpressionVariableBinder(syntax, enclosing);
if ((object)rootBinderAdjusterOpt != null)
{
enclosing = rootBinderAdjusterOpt(enclosing, syntax);
}
builder.AddToMap(syntax, enclosing);
builder.Visit(expressionSyntax, enclosing);
}
else if (syntax.Kind() != SyntaxKind.Block && (statement = syntax as StatementSyntax) != null)
{
CSharpSyntaxNode embeddedScopeDesignator;
enclosing = builder.GetBinderForPossibleEmbeddedStatement(statement, enclosing, out embeddedScopeDesignator);
if ((object)rootBinderAdjusterOpt != null)
{
enclosing = rootBinderAdjusterOpt(enclosing, embeddedScopeDesignator);
}
if (embeddedScopeDesignator != null)
{
builder.AddToMap(embeddedScopeDesignator, enclosing);
}
builder.Visit(statement, enclosing);
}
else
{
if ((object)rootBinderAdjusterOpt != null)
{
enclosing = rootBinderAdjusterOpt(enclosing, null);
}
builder.Visit((CSharpSyntaxNode)syntax, enclosing);
}
// the other place this is possible is in a local function
if (builder._sawYield)
methodsWithYields.Add(syntax);
return builder._map;
}