private static Executable ParseClassDefinition(Parser parser, TokenStream tokens, Executable owner)
{
Token classToken = tokens.PopExpected("class");
Token classNameToken = tokens.Pop();
Parser.VerifyIdentifier(classNameToken);
List<Token> baseClassTokens = new List<Token>();
List<string> baseClassStrings = new List<string>();
if (tokens.PopIfPresent(":"))
{
if (baseClassTokens.Count > 0)
{
tokens.PopExpected(",");
}
Token baseClassToken = tokens.Pop();
string baseClassName = baseClassToken.Value;
Parser.VerifyIdentifier(baseClassToken);
while (tokens.PopIfPresent("."))
{
Token baseClassTokenNext = tokens.Pop();
Parser.VerifyIdentifier(baseClassTokenNext);
baseClassName += "." + baseClassTokenNext.Value;
}
baseClassTokens.Add(baseClassToken);
baseClassStrings.Add(baseClassName);
}
ClassDefinition cd = new ClassDefinition(
classToken,
classNameToken,
baseClassTokens,
baseClassStrings,
parser.CurrentNamespace,
owner);
tokens.PopExpected("{");
List<FunctionDefinition> methods = new List<FunctionDefinition>();
List<FieldDeclaration> fields = new List<FieldDeclaration>();
ConstructorDefinition constructorDef = null;
ConstructorDefinition staticConstructorDef = null;
while (!tokens.PopIfPresent("}"))
{
if (tokens.IsNext("function") || tokens.AreNext("static", "function"))
{
methods.Add((FunctionDefinition)ExecutableParser.ParseFunction(parser, tokens, cd));
}
else if (tokens.IsNext("constructor"))
{
if (constructorDef != null)
{
throw new ParserException(tokens.Pop(), "Multiple constructors are not allowed. Use optional arguments.");
}
constructorDef = (ConstructorDefinition)ExecutableParser.ParseConstructor(parser, tokens, cd);
}
else if (tokens.AreNext("static", "constructor"))
{
tokens.Pop(); // static token
if (staticConstructorDef != null)
{
throw new ParserException(tokens.Pop(), "Multiple static constructors are not allowed.");
}
staticConstructorDef = (ConstructorDefinition)ExecutableParser.ParseConstructor(parser, tokens, cd);
}
else if (tokens.IsNext("field") || tokens.AreNext("static", "field"))
{
fields.Add(ExecutableParser.ParseField(tokens, cd));
}
else
{
tokens.PopExpected("}");
}
}
cd.Methods = methods.ToArray();
cd.Constructor = constructorDef;
cd.StaticConstructor = staticConstructorDef;
cd.Fields = fields.ToArray();
return cd;
}
private ClassDefinition ParseClassDefinition(TokenStream tokens, TopLevelConstruct owner, Token staticToken, Token finalToken, FileScope fileScope)
{
Token classToken = tokens.PopExpected(this.parser.Keywords.CLASS);
Token classNameToken = tokens.Pop();
this.parser.VerifyIdentifier(classNameToken);
List <Token> baseClassTokens = new List <Token>();
List <string> baseClassStrings = new List <string>();
if (tokens.PopIfPresent(":"))
{
if (baseClassTokens.Count > 0)
{
tokens.PopExpected(",");
}
Token baseClassToken = tokens.Pop();
string baseClassName = baseClassToken.Value;
this.parser.VerifyIdentifier(baseClassToken);
while (tokens.PopIfPresent("."))
{
Token baseClassTokenNext = tokens.Pop();
this.parser.VerifyIdentifier(baseClassTokenNext);
baseClassName += "." + baseClassTokenNext.Value;
}
baseClassTokens.Add(baseClassToken);
baseClassStrings.Add(baseClassName);
}
ClassDefinition cd = new ClassDefinition(
classToken,
classNameToken,
baseClassTokens,
baseClassStrings,
parser.CurrentNamespace,
owner,
parser.CurrentLibrary,
staticToken,
finalToken,
fileScope);
tokens.PopExpected("{");
List <FunctionDefinition> methods = new List <FunctionDefinition>();
List <FieldDeclaration> fields = new List <FieldDeclaration>();
ConstructorDefinition constructorDef = null;
ConstructorDefinition staticConstructorDef = null;
while (!tokens.PopIfPresent("}"))
{
Dictionary <string, List <Annotation> > annotations = null;
while (tokens.IsNext("@"))
{
annotations = annotations ?? new Dictionary <string, List <Annotation> >();
Annotation annotation = this.parser.AnnotationParser.ParseAnnotation(tokens);
if (!annotations.ContainsKey(annotation.Type))
{
annotations[annotation.Type] = new List <Annotation>();
}
annotations[annotation.Type].Add(annotation);
}
if (tokens.IsNext(this.parser.Keywords.FUNCTION) ||
tokens.AreNext(this.parser.Keywords.STATIC, this.parser.Keywords.FUNCTION))
{
methods.Add((FunctionDefinition)this.parser.ExecutableParser.ParseFunction(tokens, cd, fileScope));
}
else if (tokens.IsNext(this.parser.Keywords.CONSTRUCTOR))
{
if (constructorDef != null)
{
throw new ParserException(tokens.Pop(), "Multiple constructors are not allowed. Use optional arguments.");
}
constructorDef = (ConstructorDefinition)this.parser.ExecutableParser.ParseConstructor(tokens, cd);
if (annotations != null && annotations.ContainsKey(this.parser.Keywords.PRIVATE))
{
constructorDef.PrivateAnnotation = annotations[this.parser.Keywords.PRIVATE][0];
annotations[this.parser.Keywords.PRIVATE].RemoveAt(0);
}
}
else if (tokens.AreNext(this.parser.Keywords.STATIC, this.parser.Keywords.CONSTRUCTOR))
{
tokens.Pop(); // static token
if (staticConstructorDef != null)
{
throw new ParserException(tokens.Pop(), "Multiple static constructors are not allowed.");
}
staticConstructorDef = (ConstructorDefinition)this.parser.ExecutableParser.ParseConstructor(tokens, cd);
}
else if (tokens.IsNext(this.parser.Keywords.FIELD) ||
tokens.AreNext(this.parser.Keywords.STATIC, this.parser.Keywords.FIELD))
{
fields.Add(this.parser.ExecutableParser.ParseField(tokens, cd));
}
else
{
tokens.PopExpected("}");
}
if (annotations != null)
{
foreach (List <Annotation> annotationsOfType in annotations.Values)
{
if (annotationsOfType.Count > 0)
{
throw new ParserException(annotationsOfType[0].FirstToken, "Unused or extra annotation.");
}
}
}
}
cd.Methods = methods.ToArray();
cd.Constructor = constructorDef;
cd.StaticConstructor = staticConstructorDef;
cd.Fields = fields.ToArray();
return(cd);
}
private static Executable ParseClassDefinition(Parser parser, TokenStream tokens, Executable owner, Token staticToken, Token finalToken)
{
Token classToken = tokens.PopExpected("class");
Token classNameToken = tokens.Pop();
Parser.VerifyIdentifier(classNameToken);
List <Token> baseClassTokens = new List <Token>();
List <string> baseClassStrings = new List <string>();
if (tokens.PopIfPresent(":"))
{
if (baseClassTokens.Count > 0)
{
tokens.PopExpected(",");
}
Token baseClassToken = tokens.Pop();
string baseClassName = baseClassToken.Value;
Parser.VerifyIdentifier(baseClassToken);
while (tokens.PopIfPresent("."))
{
Token baseClassTokenNext = tokens.Pop();
Parser.VerifyIdentifier(baseClassTokenNext);
baseClassName += "." + baseClassTokenNext.Value;
}
baseClassTokens.Add(baseClassToken);
baseClassStrings.Add(baseClassName);
}
ClassDefinition cd = new ClassDefinition(
classToken,
classNameToken,
baseClassTokens,
baseClassStrings,
parser.CurrentNamespace,
owner,
staticToken,
finalToken);
tokens.PopExpected("{");
List <FunctionDefinition> methods = new List <FunctionDefinition>();
List <FieldDeclaration> fields = new List <FieldDeclaration>();
ConstructorDefinition constructorDef = null;
ConstructorDefinition staticConstructorDef = null;
while (!tokens.PopIfPresent("}"))
{
Dictionary <string, List <Annotation> > annotations = null;
while (tokens.IsNext("@"))
{
annotations = annotations ?? new Dictionary <string, List <Annotation> >();
Annotation annotation = AnnotationParser.ParseAnnotation(tokens);
if (!annotations.ContainsKey(annotation.Type))
{
annotations[annotation.Type] = new List <Annotation>();
}
annotations[annotation.Type].Add(annotation);
}
if (tokens.IsNext("function") || tokens.AreNext("static", "function"))
{
methods.Add((FunctionDefinition)ExecutableParser.ParseFunction(parser, tokens, cd));
}
else if (tokens.IsNext("constructor"))
{
if (constructorDef != null)
{
throw new ParserException(tokens.Pop(), "Multiple constructors are not allowed. Use optional arguments.");
}
constructorDef = (ConstructorDefinition)ExecutableParser.ParseConstructor(parser, tokens, cd);
if (annotations != null && annotations.ContainsKey("private"))
{
constructorDef.PrivateAnnotation = annotations["private"][0];
annotations["private"].RemoveAt(0);
}
}
else if (tokens.AreNext("static", "constructor"))
{
tokens.Pop(); // static token
if (staticConstructorDef != null)
{
throw new ParserException(tokens.Pop(), "Multiple static constructors are not allowed.");
}
staticConstructorDef = (ConstructorDefinition)ExecutableParser.ParseConstructor(parser, tokens, cd);
}
else if (tokens.IsNext("field") || tokens.AreNext("static", "field"))
{
fields.Add(ExecutableParser.ParseField(tokens, cd));
}
else
{
tokens.PopExpected("}");
}
if (annotations != null)
{
foreach (List <Annotation> annotationsOfType in annotations.Values)
{
if (annotationsOfType.Count > 0)
{
throw new ParserException(annotationsOfType[0].FirstToken, "Unused or extra annotation.");
}
}
}
}
cd.Methods = methods.ToArray();
cd.Constructor = constructorDef;
cd.StaticConstructor = staticConstructorDef;
cd.Fields = fields.ToArray();
return(cd);
}
