SOTSExpression2

java.lang.Object

org.eclipse.m2m.atl.engine.vm.nativelib.SOTSExpression2

public class SOTSExpression2 extends Object

Simple query language evaluator. This is used in the present version of the compiler. Recognized grammar:


 exp ::= (simpleExp '+' exp) | simpleExp | INT | STRING | ('(' exp ')')
 simpleExp ::= '$' varName:IDENT ('.' propName:IDENT ('(' ')')? ('[' ("ISA" '(' mname:IDENT '!' mename:IDENT ')') | (propName:IDENT '=' value:exp) | (index:exp) ']')*)* (',' default:exp)?;
 IDENT ::= [A-Za-z_][A-Za-z0-9_]*;
 VALUE ::= STRING | INT;
 STRING ::= '[^']';
 INT ::= [0-9]+;
 SKIP ::= ' ' | '\t' | '\n' | '\r';

Constructor Summary

Constructors

Constructor

Description

SOTSExpression2(String exp)
Method Summary

Modifier and Type

Method

Description

ASMOclAny

exec(StackFrame frame, ASMTuple args)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- SOTSExpression2
  
  public SOTSExpression2(String exp)
Method Details
- exec
  
  public ASMOclAny exec(StackFrame frame, ASMTuple args) throws IOException
  
  Throws:
  
  IOException