private static BoundInitializer BindGlobalStatement(
Binder binder,
SynthesizedInteractiveInitializerMethod scriptInitializer,
StatementSyntax statementNode,
DiagnosticBag diagnostics,
bool isLast)
{
BoundStatement boundStatement = binder.BindStatement(statementNode, diagnostics);
// the result of the last global expression is assigned to the result storage for submission result:
if (binder.Compilation.IsSubmission && isLast && !boundStatement.HasAnyErrors)
{
// insert an implicit conversion for the submission return type (if needed):
var expression = InitializerRewriter.GetTrailingScriptExpression(boundStatement);
if (expression != null &&
((object)expression.Type == null || expression.Type.SpecialType != SpecialType.System_Void))
{
var submissionResultType = scriptInitializer.ResultType;
expression = binder.GenerateConversionForAssignment(submissionResultType, expression, diagnostics);
boundStatement = new BoundExpressionStatement(boundStatement.Syntax, expression, expression.HasErrors);
}
}
return(new BoundGlobalStatementInitializer(statementNode, boundStatement));
}
private static BoundInitializer BindGlobalStatement(
Binder binder,
SynthesizedInteractiveInitializerMethod scriptInitializer,
StatementSyntax statementNode,
DiagnosticBag diagnostics,
bool isLast)
{
var statement = binder.BindStatement(statementNode, diagnostics);
if (isLast && !statement.HasAnyErrors)
{
// the result of the last global expression is assigned to the result storage for submission result:
if (binder.Compilation.IsSubmission)
{
// insert an implicit conversion for the submission return type (if needed):
var expression = InitializerRewriter.GetTrailingScriptExpression(statement);
if (expression != null &&
((object)expression.Type == null || expression.Type.SpecialType != SpecialType.System_Void))
{
var submissionResultType = scriptInitializer.ResultType;
expression = binder.GenerateConversionForAssignment(submissionResultType, expression, diagnostics);
statement = new BoundExpressionStatement(statement.Syntax, expression, expression.HasErrors);
}
}
// don't allow trailing expressions after labels (as in regular C#, labels must be followed by a statement):
if (statement.Kind == BoundKind.LabeledStatement)
{
var labeledStatementBody = ((BoundLabeledStatement)statement).Body;
while (labeledStatementBody.Kind == BoundKind.LabeledStatement)
{
labeledStatementBody = ((BoundLabeledStatement)labeledStatementBody).Body;
}
if (InitializerRewriter.GetTrailingScriptExpression(labeledStatementBody) != null)
{
Error(diagnostics, ErrorCode.ERR_SemicolonExpected, ((ExpressionStatementSyntax)labeledStatementBody.Syntax).SemicolonToken);
}
}
}
return(new BoundGlobalStatementInitializer(statementNode, statement));
}