public override SyntaxNode VisitLocalDeclarationStatement(LocalDeclarationStatementSyntax node)
{
// If this is the declaration statement of inlined variable
if (node.Equals(this.localDeclarationStatementSyntax))
{
// If the declaration statement contains only one declarator (with inlined variable)
// it can be simply removed
// Considers:
// { int a = 1; } -> {}
if (node.Declaration.Variables.Count == 1)
{
return(null);
}
else
{
// Process declaration children (possibly replace identifiers in other declarators)
// Considers:
// int a = 2, b = a; -> int b = 2;
LocalDeclarationStatementSyntax newDeclaration = (LocalDeclarationStatementSyntax)base.VisitLocalDeclarationStatement(node);
// Now that I have processed children, I can process the declaration itself by removing the unneeded declarator
// Get the inlined variable declarator from new declaration statement
VariableDeclaratorSyntax newInlinedVariableDeclarator = newDeclaration.Declaration.Variables
.Where(n => n.Identifier.ValueText == this.variableDeclarator.Identifier.ValueText)
.Single();
// Remove declarator from the declaration
newDeclaration = newDeclaration.ReplaceNode(newInlinedVariableDeclarator, null);
return(newDeclaration);
}
}
else
{
return(base.VisitLocalDeclarationStatement(node));
}
}