public static UnparseControl Create_NoUnparse(Grammar grammar)
{
return(new UnparseControl(grammar)
{
ExpressionToParenthesesHasBeenSet = false
});
}
/// <summary>
/// Create a multiparser which consists of multiple parsers, each of them can parse a specific nonterminal of the grammar.
/// Nonterminals are specified by grammar.SnippetRoots, which may be extended regarding the value of <paramref name="makeParsableEveryNonTerminal"/>
/// </summary>
/// <param name="grammar">
/// The grammar which will drive the multiparser.
/// </param>
/// <param name="makeParsableEveryNonTerminal">
/// If true then gather all nonterminals from grammar (going down from root recursively), and add them to SnippetRoots if needed.
/// If false then SnippetRoots will not be changed.
/// </param>
internal MultiParser(Grammar grammar, bool makeParsableEveryNonTerminal = makeParsableEveryNonTerminalDefault)
{
grammar.SetDecimalSeparatorOnNumberLiterals(); // it works with Irony.Grammar as well, not just with Sarcasm.Grammar
// NOTE: grammar.SnippetRoots should be extended before creating LanguageData
if (makeParsableEveryNonTerminal)
{
foreach (NonTerminal nonTerminal in GrammarHelper.GetDescendantBnfTermsExcludingSelf(grammar.Root).OfType <NonTerminal>())
{
if (!grammar.SnippetRoots.Contains(nonTerminal))
{
grammar.SnippetRoots.Add(nonTerminal);
}
}
}
this.grammar = grammar;
this.language = new LanguageData(grammar);
if (this.language.ErrorLevel >= GrammarErrorLevel.Conflict && grammar.ErrorHandling == ErrorHandling.ThrowException)
{
GrammarHelper.ThrowGrammarErrorException(this.language.ErrorLevel, string.Join("\n", this.language.Errors));
}
this.mainParser = new Parser(language);
foreach (NonTerminal nonTerminal in grammar.SnippetRoots)
{
this.rootToParser.Add(nonTerminal, new Parser(language, nonTerminal));
}
}
public static UnparseControl Create(Grammar grammar, Formatter defaultFormatter, params ParenthesizedExpression[] parenthesizedExpressionsForPrecedenceBasedUnparse)
{
return new UnparseControl(grammar)
{
ExpressionToParenthesesHasBeenSet = true,
DefaultFormatter = defaultFormatter,
expressionToParentheses = parenthesizedExpressionsForPrecedenceBasedUnparse.ToDictionary(parenthesizedExpression => parenthesizedExpression.Expression)
};
}
public static UnparseControl Create(Grammar grammar, Formatter defaultFormatter, params ParenthesizedExpression[] parenthesizedExpressionsForPrecedenceBasedUnparse)
{
return(new UnparseControl(grammar)
{
ExpressionToParenthesesHasBeenSet = true,
DefaultFormatter = defaultFormatter,
expressionToParentheses = parenthesizedExpressionsForPrecedenceBasedUnparse.ToDictionary(parenthesizedExpression => parenthesizedExpression.Expression)
});
}
public static UnparseControl Create(Grammar grammar, params ParenthesizedExpression[] parenthesizedExpressionsForPrecedenceBasedUnparse)
{
return Create(grammar, new Formatter(grammar), parenthesizedExpressionsForPrecedenceBasedUnparse);
}
public static UnparseControl Create_NoUnparse(Grammar grammar)
{
return new UnparseControl(grammar) { ExpressionToParenthesesHasBeenSet = false };
}
private UnparseControl(Grammar grammar)
{
this.grammar = grammar;
}
public static MultiParser <TMainRoot> Create <TMainRoot>(Grammar <TMainRoot> grammar, bool makeParsableEveryNonTerminal = makeParsableEveryNonTerminalDefault)
{
return(new MultiParser <TMainRoot>(grammar, makeParsableEveryNonTerminal));
}
public static MultiParser Create(Grammar grammar, bool makeParsableEveryNonTerminal = makeParsableEveryNonTerminalDefault)
{
return(new MultiParser(grammar, makeParsableEveryNonTerminal));
}
public Formatter(Grammar grammar)
: this(grammar.DefaultCulture)
{
this.attachedParsers = new List<Parser>();
}
public Formatter(Grammar grammar)
: this(grammar.DefaultCulture)
{
this.attachedParsers = new List <Parser>();
}
public static UnparseControl Create(Grammar grammar, params ParenthesizedExpression[] parenthesizedExpressionsForPrecedenceBasedUnparse)
{
return(Create(grammar, new Formatter(grammar), parenthesizedExpressionsForPrecedenceBasedUnparse));
}
private UnparseControl(Grammar grammar)
{
this.grammar = grammar;
}
