/// <summary>To test changes to the meta grammar.</summary>
private static CodeDocument TestMetaGrammarDoc()
{
CodeDocument grammar = new CodeDocument(new List <CodeElement>(), MetaParser.Grammar);
// grammar = {rule}
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", "Grammar"),
new HardElement("sequence", string.Empty,
new HardElement("identifier", "rule")),
new HardElement("optional", string.Empty,
new HardElement("identifier", MetaParser.Settings___))));
// rule = identifier '=' expression ';'
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", "rule"),
new HardElement("identifier", "identifier"),
new HardElement("symbol", "="),
new HardElement("identifier", "expression"),
new HardElement("symbol", ";")));
// expression = element {[or] element};
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", "expression"),
new HardElement("identifier", MetaParser.Element____),
new HardElement("sequence", string.Empty,
new HardElement("optional", string.Empty,
new HardElement("identifier", MetaParser.Or_________)),
new HardElement("identifier", MetaParser.Element____))));
// element = identifier | symbol | block; Husk ny block
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", MetaParser.Element____),
new HardElement("identifier", "identifier"),
new HardElement(MetaParser.Or_________, string.Empty),
new HardElement("identifier", "symbol"),
new HardElement(MetaParser.Or_________, string.Empty),
new HardElement("identifier", "sequence"),
new HardElement(MetaParser.Or_________, string.Empty),
new HardElement("identifier", "optional"),
new HardElement("or", string.Empty),
new HardElement("identifier", "parentheses")));
// sequence = '{' expression '}';
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", "sequence"),
new HardElement("symbol", "{"),
new HardElement("identifier", "expression"),
new HardElement("symbol", "}")));
// optional = '[' expression ']';
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", "optional"),
new HardElement("symbol", "["),
new HardElement("identifier", "expression"),
new HardElement("symbol", "]")));
// parentheses = '(' expression ')';
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", "parentheses"),
new HardElement("symbol", "("),
new HardElement("identifier", "expression"),
new HardElement("symbol", ")")));
// or = '|';
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", "or"),
new HardElement("symbol", "|")));
//// ruleId > identifier;
//grammar.AddElement(new HardElement("rule", string.Empty,
// new HardElement("identifier", "ruleId"),
// new HardElement("identifier", "identifier")));
// symbol = string;
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", "symbol"),
new HardElement("identifier", "string")));
// settings = 'settings' {setter};
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", "settings"),
new HardElement("symbol", "settings"),
new HardElement("sequence", string.Empty,
new HardElement("identifier", MetaParser.Setter_____))));
// setter = identifier assignment {',' assignment} ';';
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", "setter"),
new HardElement("identifier", "identifier"),
new HardElement("identifier", "assignment"),
new HardElement("sequence", string.Empty,
new HardElement("symbol", ","),
new HardElement("identifier", "assignment")),
new HardElement("symbol", ";")));
// assignment = property ['=' value];
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", "assignment"),
new HardElement("identifier", MetaParser.Property___),
new HardElement("optional", string.Empty,
new HardElement("symbol", "="),
new HardElement("identifier", MetaParser.Value______))));
// property = identifier;
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", "property"),
new HardElement("identifier", "identifier")));
// value = string;
grammar.Add(new HardElement("rule", string.Empty,
new HardElement("identifier", "value"),
new HardElement("identifier", "string")));
// settings
// expression collapse;
grammar.Add(new HardElement("setter", string.Empty,
new HardElement("identifier", "rule"),
new HardElement("assignment", string.Empty,
new HardElement("property", "comment"))));
// expression collapse;
grammar.Add(new HardElement("setter", string.Empty,
new HardElement("identifier", "expression"),
new HardElement("assignment", string.Empty,
new HardElement("property", "collapse"))));
// element collapse;
grammar.Add(new HardElement("setter", string.Empty,
new HardElement("identifier", "element"),
new HardElement("assignment", string.Empty,
new HardElement("property", "collapse"))));
// settings collapse;
grammar.Add(new HardElement("setter", string.Empty,
new HardElement("identifier", "settings"),
new HardElement("assignment", string.Empty,
new HardElement("property", "collapse"))));
return(grammar);
}