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package org.zwobble.couscous.backends.csharp;
import org.zwobble.couscous.ast.*;
import org.zwobble.couscous.ast.visitors.NodeVisitor;
import org.zwobble.couscous.backends.SourceCodeWriter;
import org.zwobble.couscous.values.PrimitiveValueVisitor;
public class CsharpSerializer implements NodeVisitor {
public static String serialize(Node node, String namespace) {
SourceCodeWriter writer = new SourceCodeWriter(
(writer2) -> {
writer2.writeSpace();
writer2.writeSymbol("{");
},
(writer2) -> {
writer2.writeStatement(() -> writer2.writeSymbol("}"));
}
);
CsharpSerializer serializer = new CsharpSerializer(writer, namespace);
serializer.write(node);
return writer.asString();
}
private final SourceCodeWriter writer;
private final String namespace;
private CsharpSerializer(SourceCodeWriter writer, String namespace) {
this.writer = writer;
this.namespace = namespace;
}
private void write(Node node) {
node.accept(this);
}
@Override
public void visit(LiteralNode literal) {
literal.getValue().accept(new PrimitiveValueVisitor<Void>() {
@Override
public Void visitInteger(int value) {
writer.writeInteger(value);
return null;
}
@Override
public Void visitString(String value) {
writer.writeStringLiteral(value);
return null;
}
@Override
public Void visitBoolean(boolean value) {
writer.writeKeyword(value ? "true" : "false");
return null;
}
@Override
public Void visitUnit() {
throw new UnsupportedOperationException();
}
@Override
public Void visitType(TypeName value) {
writer.writeKeyword("typeof");
writer.writeSymbol("(");
writer.writeIdentifier(namespace + "." + value.getQualifiedName());
writer.writeSymbol(")");
return null;
}
});
}
@Override
public void visit(VariableReferenceNode variableReference) {
writer.writeIdentifier(variableReference.getReferent().getName());
}
@Override
public void visit(ThisReferenceNode reference) {
throw new UnsupportedOperationException();
}
@Override
public void visit(AssignmentNode assignment) {
throw new UnsupportedOperationException();
}
@Override
public void visit(TernaryConditionalNode ternaryConditional) {
write(ternaryConditional.getCondition());
writer.writeSpace();
writer.writeSymbol("?");
writer.writeSpace();
write(ternaryConditional.getIfTrue());
writer.writeSpace();
writer.writeSymbol(":");
writer.writeSpace();
write(ternaryConditional.getIfFalse());
}
@Override
public void visit(MethodCallNode methodCall) {
throw new UnsupportedOperationException();
}
@Override
public void visit(ConstructorCallNode call) {
throw new UnsupportedOperationException();
}
@Override
public void visit(FieldAccessNode fieldAccess) {
throw new UnsupportedOperationException();
}
@Override
public void visit(TypeCoercionNode typeCoercion) {
throw new UnsupportedOperationException();
}
@Override
public void visit(CastNode cast) {
throw new UnsupportedOperationException();
}
@Override
public void visit(InstanceReceiver receiver) {
throw new UnsupportedOperationException();
}
@Override
public void visit(StaticReceiver receiver) {
throw new UnsupportedOperationException();
}
@Override
public void visit(ReturnNode returnNode) {
writer.writeKeyword("return");
writer.writeSpace();
write(returnNode.getValue());
writer.writeSymbol(";");
}
@Override
public void visit(ExpressionStatementNode expressionStatement) {
throw new UnsupportedOperationException();
}
@Override
public void visit(LocalVariableDeclarationNode localVariableDeclaration) {
throw new UnsupportedOperationException();
}
@Override
public void visit(IfStatementNode ifStatement) {
throw new UnsupportedOperationException();
}
@Override
public void visit(WhileNode whileLoop) {
throw new UnsupportedOperationException();
}
@Override
public void visit(FormalArgumentNode formalArgumentNode) {
throw new UnsupportedOperationException();
}
@Override
public void visit(AnnotationNode annotation) {
throw new UnsupportedOperationException();
}
@Override
public void visit(MethodNode method) {
writer.writeStatement(() -> {
writer.writeKeyword("internal");
writer.writeSpace();
writer.writeKeyword("static");
writer.writeSpace();
writer.writeKeyword("dynamic");
writer.writeSpace();
writer.writeIdentifier(method.getName());
writer.writeSymbol("(");
writer.writeSymbol(")");
writer.startBlock();
for (StatementNode statement : method.getBody()) {
writer.writeStatement(() -> write(statement));
}
writer.endBlock();
});
}
@Override
public void visit(ConstructorNode constructorNode) {
throw new UnsupportedOperationException();
}
@Override
public void visit(FieldDeclarationNode declaration) {
throw new UnsupportedOperationException();
}
@Override
public void visit(ClassNode classNode) {
String namespace = this.namespace +
classNode.getName().getPackage()
.map(packageName -> "." + packageName)
.orElse("");
writer.writeKeyword("namespace");
writer.writeSpace();
writer.writeIdentifier(namespace);
writer.startBlock();
writer.writeStatement(() -> {
writer.writeKeyword("internal");
writer.writeSpace();
writer.writeKeyword("class");
writer.writeSpace();
writer.writeIdentifier(classNode.getSimpleName());
writer.startBlock();
for (MethodNode method : classNode.getMethods()) {
write(method);
}
writer.endBlock();
});
writer.endBlock();
}
}
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