private RulesetNode GetRuleset(string file, string content)
{
AntlrInputStream inputStream = new AntlrInputStream(content);
// Lexer
DeltinScriptLexer lexer = new DeltinScriptLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
// Parse
DeltinScriptParser parser = new DeltinScriptParser(commonTokenStream);
var errorListener = new ErrorListener(file, Diagnostics);
parser.RemoveErrorListeners();
parser.AddErrorListener(errorListener);
DeltinScriptParser.RulesetContext ruleSetContext = parser.ruleset();
Log.Write(LogLevel.Verbose, ruleSetContext.ToStringTree(parser));
// Get the ruleset node.
RulesetNode ruleset = null;
if (!Diagnostics.ContainsErrors())
{
BuildAstVisitor bav = new BuildAstVisitor(file, Diagnostics);
ruleset = (RulesetNode)bav.Visit(ruleSetContext);
}
AdditionalErrorChecking aec = new AdditionalErrorChecking(file, parser, Diagnostics);
aec.Visit(ruleSetContext);
return(ruleset);
}
public void Update(string content)
{
AntlrInputStream inputStream = new AntlrInputStream(content);
// Lexer
DeltinScriptLexer lexer = new DeltinScriptLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
commonTokenStream.Fill();
Tokens = commonTokenStream.GetTokens().ToArray();
commonTokenStream.Reset();
// Parse
DeltinScriptParser parser = new DeltinScriptParser(commonTokenStream);
var errorListener = new ErrorListener();
parser.RemoveErrorListeners();
parser.AddErrorListener(errorListener);
StructuralDiagnostics = errorListener.Diagnostics;
Context = parser.ruleset();
}
public static Rule[] ParseText(string text)
{
AntlrInputStream inputStream = new AntlrInputStream(text);
// Lexer
DeltinScriptLexer lexer = new DeltinScriptLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
// Parse
DeltinScriptParser parser = new DeltinScriptParser(commonTokenStream);
parser.RemoveErrorListeners();
parser.AddErrorListener(new ErrorListener());
// Get context
DeltinScriptParser.RulesetContext context = parser.ruleset();
//PrintContext(context);
Console.WriteLine(context.ToStringTree(parser));
Visitor visitor = new Visitor();
visitor.Visit(context);
{
// Get the internal global variable to use.
if (!Enum.TryParse(context.useGlobalVar().PART().ToString(), out Variable useGlobalVar))
{
throw new SyntaxErrorException("useGlobalVar must be a character.", context.useGlobalVar().start);
}
// Get the internal player variable to use.
if (!Enum.TryParse(context.usePlayerVar().PART().ToString(), out Variable usePlayerVar))
{
throw new SyntaxErrorException("usePlayerVar must be a character.", context.usePlayerVar().start);
}
Var.Setup(useGlobalVar, usePlayerVar);
}
// Get the defined variables.
var vardefine = context.vardefine();
for (int i = 0; i < vardefine.Length; i++)
{
// The new var is stored in Var.VarCollection
new DefinedVar(vardefine[i]);
}
// Parse the rules.
var rules = context.ow_rule();
var compiledRules = new List <Rule>();
for (int i = 0; i < rules.Length; i++)
{
ParseRule parsing = new ParseRule(rules[i]);
Log.Write($"Building rule: {parsing.Rule.Name}");
parsing.Parse();
Rule rule = parsing.Rule;
Log.Write($"Finished rule: {parsing.Rule.Name}");
compiledRules.Add(rule);
}
Log.Write("Build succeeded.");
// List all variables
Log.Write("Variable Guide:");
foreach (DefinedVar var in DefinedVar.VarCollection)
{
Console.WriteLine($"{var.Name}: {(var.IsGlobal ? "global" : "player")} {var.Variable}{(var.IsInArray ? $"[{var.Index}]" : "")}");
}
return(compiledRules.ToArray());
}
public static ParserData GetParser(string document, Pos documentPos)
{
AntlrInputStream inputStream = new AntlrInputStream(document);
// Lexer
DeltinScriptLexer lexer = new DeltinScriptLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
// Parse
DeltinScriptParser parser = new DeltinScriptParser(commonTokenStream);
var errorListener = new ErrorListener();
parser.RemoveErrorListeners();
parser.AddErrorListener(errorListener);
DeltinScriptParser.RulesetContext ruleSetContext = parser.ruleset();
List <Diagnostic> diagnostics = new List <Diagnostic>();
diagnostics.AddRange(errorListener.Errors);
// Get the ruleset node.
BuildAstVisitor bav = null;
RulesetNode ruleSetNode = null;
if (diagnostics.Count == 0)
{
bav = new BuildAstVisitor(documentPos, diagnostics);
ruleSetNode = (RulesetNode)bav.Visit(ruleSetContext);
}
VarCollection varCollection = null;
ScopeGroup root = null;
List <UserMethod> userMethods = null;
Rule[] rules = null;
bool success = false;
AdditionalErrorChecking aec = new AdditionalErrorChecking(parser, diagnostics);
aec.Visit(ruleSetContext);
bool parse = diagnostics.Count == 0;
if (parse)
{
varCollection = new VarCollection();
root = new ScopeGroup();
userMethods = new List <UserMethod>();
foreach (var definedVar in ruleSetNode.DefinedVars)
{
varCollection.AssignDefinedVar(root, definedVar.IsGlobal, definedVar.VariableName, definedVar.Range);
}
// Get the user methods.
for (int i = 0; i < ruleSetNode.UserMethods.Length; i++)
{
userMethods.Add(new UserMethod(ruleSetNode.UserMethods[i]));
}
// Parse the rules.
rules = new Rule[ruleSetNode.Rules.Length];
for (int i = 0; i < rules.Length; i++)
{
try
{
var result = Translate.GetRule(ruleSetNode.Rules[i], root, varCollection, userMethods.ToArray());
rules[i] = result.Rule;
diagnostics.AddRange(result.Diagnostics);
}
catch (SyntaxErrorException ex)
{
diagnostics.Add(new Diagnostic(ex.Message, ex.Range)
{
severity = Diagnostic.Error
});
}
}
success = true;
}
return(new ParserData()
{
Parser = parser,
RulesetContext = ruleSetContext,
RuleSetNode = ruleSetNode,
Bav = bav,
Diagnostics = diagnostics,
Rules = rules,
UserMethods = userMethods?.ToArray(),
Root = root,
Success = success,
VarCollection = varCollection
});
}