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51 lines (42 loc) · 1.88 KB
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using japa.parser.ast.stmt;
using JavaToCSharp.Expressions;
using Roslyn.Compilers.CSharp;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace JavaToCSharp.Statements
{
public class SwitchStatementVisitor : StatementVisitor<SwitchStmt>
{
public override StatementSyntax Visit(ConversionContext context, SwitchStmt switchStmt)
{
var selector = switchStmt.getSelector();
var selectorSyntax = ExpressionVisitor.VisitExpression(context, selector);
var cases = switchStmt.getEntries().ToList<SwitchEntryStmt>();
if (cases == null)
return Syntax.SwitchStatement(selectorSyntax, Syntax.List<SwitchSectionSyntax>());
var caseSyntaxes = new List<SwitchSectionSyntax>();
foreach (var cs in cases)
{
var label = cs.getLabel();
var statements = cs.getStmts().ToList<Statement>();
var syntaxes = StatementVisitor.VisitStatements(context, statements);
if (label == null)
{
// default case
var defaultSyntax = Syntax.SwitchSection(Syntax.List(Syntax.SwitchLabel(SyntaxKind.DefaultSwitchLabel)), Syntax.List(syntaxes.AsEnumerable()));
caseSyntaxes.Add(defaultSyntax);
}
else
{
var labelSyntax = ExpressionVisitor.VisitExpression(context, label);
var caseSyntax = Syntax.SwitchSection(Syntax.List(Syntax.SwitchLabel(SyntaxKind.CaseSwitchLabel, labelSyntax)), Syntax.List(syntaxes.AsEnumerable()));
caseSyntaxes.Add(caseSyntax);
}
}
return Syntax.SwitchStatement(selectorSyntax, Syntax.List<SwitchSectionSyntax>(caseSyntaxes));
}
}
}