public override string VisitASTRestriction(ASTRestriction astRestriction)
{
var indent = astRestriction.Depth == 1 ? " " : " ";
var annotations = astRestriction
.Annotations
.Select(Visit)
.Select(a => indent + a);
var a = string.Join("\n", annotations);
if (annotations.Count() > 0)
{
return($"\n{a}\n{indent}& {astRestriction.Key} {astRestriction.Value}");
}
else
{
return($"{indent}& {astRestriction.Key} {astRestriction.Value}");
}
}
public T Visit(IASTNode node)
{
return(node switch
{
ASTType n => VisitASTType(n),
ASTTypeField n => VisitASTTypeField(n),
ASTTypeDefinition n => VisitASTTypeDefinition(n),
ASTRestriction n => VisitASTRestriction(n),
ASTAlias n => VisitASTAlias(n),
ASTData n => VisitASTData(n),
ASTAnnotation n => VisitASTAnnotation(n),
ASTDirective n => VisitASTDirective(n),
ASTChoice n => VisitASTChoice(n),
ASTOption n => VisitASTOption(n),
ASTChapter n => VisitASTChapter(n),
ASTParagraph n => VisitASTParagraph(n),
_ => VisitDefault(node),
});
public void StringRestrictions()
{
var code = @"
alias Name = String
& default ""Other thing""
;
";
var tokens = new Lexer().Lex(code);
var parseTree = new Parser(tokens).Parse().ToList();
Assert.NotNull(parseTree);
Assert.Single(parseTree);
var alias = parseTree[0] as ASTAlias;
Assert.Single(alias.Restrictions);
ASTRestriction restriction = alias.Restrictions.First();
Assert.Equal(TokenType.String, restriction.Token.TokenType);
}
public void PatternRestrictions()
{
var code = @"
alias Name = String
& pattern /[A-Z][a-z]{1,30}/
;
";
var tokens = new Lexer().Lex(code);
var parseTree = new Parser(tokens).Parse().ToList();
Assert.NotNull(parseTree);
Assert.Single(parseTree);
ASTAlias alias = parseTree[0] as ASTAlias;
Assert.Single(alias.Restrictions);
ASTRestriction restriction = alias.Restrictions.First();
Assert.Equal(TokenType.Pattern, restriction.Token.TokenType);
}
public override string VisitASTRestriction(ASTRestriction astRestriction)
{
return("");
}
public override T VisitASTRestriction(ASTRestriction astRestriction) => d;
public override XmlSchemaObject?VisitASTRestriction(ASTRestriction astRestriction)
{
return(null);
}
