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Copy pathForStatementVisitor.cs
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68 lines (57 loc) · 2.54 KB
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using System.Collections.Generic;
using System.Linq;
using com.github.javaparser.ast.body;
using com.github.javaparser.ast.expr;
using com.github.javaparser.ast.stmt;
using JavaToCSharp.Expressions;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;
namespace JavaToCSharp.Statements
{
public class ForStatementVisitor : StatementVisitor<ForStmt>
{
public override StatementSyntax Visit(ConversionContext context, ForStmt forStmt)
{
var inits = forStmt.getInit().ToList<Expression>();
var initSyntaxes = new List<ExpressionSyntax>();
VariableDeclarationSyntax varSyntax = null;
if (inits != null)
{
foreach (var init in inits)
{
if (init is VariableDeclarationExpr varExpr)
{
var type = TypeHelper.ConvertTypeOf(varExpr);
var vars = varExpr.getVars()
.ToList<VariableDeclarator>()
.Select(i => SyntaxFactory.VariableDeclarator(i.toString()))
.ToArray();
varSyntax = SyntaxFactory.VariableDeclaration(SyntaxFactory.ParseTypeName(type), SyntaxFactory.SeparatedList(vars, Enumerable.Repeat(SyntaxFactory.Token(SyntaxKind.CommaToken), vars.Length - 1)));
}
else
{
var initSyntax = ExpressionVisitor.VisitExpression(context, init);
initSyntaxes.Add(initSyntax);
}
}
}
var condition = forStmt.getCompare();
var conditionSyntax = ExpressionVisitor.VisitExpression(context, condition);
var increments = forStmt.getUpdate().ToList<Expression>();
var incrementSyntaxes = new List<ExpressionSyntax>();
if (increments != null)
{
incrementSyntaxes.AddRange(increments.Select(increment => ExpressionVisitor.VisitExpression(context, increment)));
}
var body = forStmt.getBody();
var bodySyntax = VisitStatement(context, body);
if (bodySyntax == null)
return null;
return SyntaxFactory.ForStatement(bodySyntax)
.WithDeclaration(varSyntax)
.AddInitializers(initSyntaxes.ToArray())
.WithCondition(conditionSyntax)
.AddIncrementors(incrementSyntaxes.ToArray());
}
}
}