LabComm.ast

Program ::= Decl*;

abstract Decl ::= Type <Name:String> /Signature/;

TypeDecl   : Decl;
SampleDecl : Decl;

//Signatures are in the abstract grammar, so that
//they can be extended and refined by aspects.

Signature                 ::= SignatureList FlatSignatureList:SignatureList; 
SignatureList             ::= SignatureLine*;
abstract SignatureLine 	  ::= <Indent:int> <Comment:String>; 
abstract DataSignatureLine : SignatureLine;
ByteArraySignatureLine     : DataSignatureLine ::= <Data:byte[]>;
IntSignatureLine           : DataSignatureLine ::= <Data:int>;
StringSignatureLine        : DataSignatureLine ::= <Data:String>;
TypeRefSignatureLine       : SignatureLine     ::= Decl;

Field ::= Type <Name:String>;

abstract Type;
VoidType           : Type;
//SampleRefType      : Type;
PrimType           : Type ::= <Name:String> <Token:int>;
UserType           : Type ::= <Name:String>;
StructType         : Type ::= Field*;
ParseArrayType     : Type ::= Type Dim*;
abstract ArrayType : Type ::= Type Exp*;
VariableArrayType  : ArrayType;
FixedArrayType     : ArrayType;

Dim ::= Exp*;

abstract Exp;
IntegerLiteral : Exp ::= <Value:String>;
VariableSize   : Exp;