Package org.stringtemplate.v4

Examples of org.stringtemplate.v4.ST$AttributeList

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  }

  // should be same for all refs to same token like ctx.ID within single rule function
  // for literals like 'while', we gen _s<ttype>
  public String getImplicitTokenLabel(String tokenName) {
    ST st = getTemplates().getInstanceOf("ImplicitTokenLabel");
    int ttype = getCodeGenerator().g.getTokenType(tokenName);
    if ( tokenName.startsWith("'") ) {
      return "s"+ttype;
    }
    String text = getTokenTypeAsTargetLabel(getCodeGenerator().g, ttype);
    st.add("tokenName", text);
    return st.render();
  }
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    return st.render();
  }

  // x=(A|B)
  public String getImplicitSetLabel(String id) {
    ST st = getTemplates().getInstanceOf("ImplicitSetLabel");
    st.add("id", id);
    return st.render();
  }
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  public String getDOT(ATNState startState, String[] ruleNames, boolean isLexer) {
    if ( startState==null )  return null;

    // The output DOT graph for visualization
    Set<ATNState> markedStates = new HashSet<ATNState>();
    ST dot = stlib.getInstanceOf("atn");
    dot.add("startState", startState.stateNumber);
    dot.add("rankdir", rankdir);

    List<ATNState> work = new LinkedList<ATNState>();

    work.add(startState);
    while ( !work.isEmpty() ) {
      ATNState s = work.get(0);
      if ( markedStates.contains(s) ) { work.remove(0); continue; }
      markedStates.add(s);

      // don't go past end of rule node to the follow states
      if ( s instanceof RuleStopState) continue;

      // special case: if decision point, then line up the alt start states
      // unless it's an end of block
//      if ( s instanceof BlockStartState ) {
//        ST rankST = stlib.getInstanceOf("decision-rank");
//        DecisionState alt = (DecisionState)s;
//        for (int i=0; i<alt.getNumberOfTransitions(); i++) {
//          ATNState target = alt.transition(i).target;
//          if ( target!=null ) {
//            rankST.add("states", target.stateNumber);
//          }
//        }
//        dot.add("decisionRanks", rankST);
//      }

      // make a DOT edge for each transition
      ST edgeST;
      for (int i = 0; i < s.getNumberOfTransitions(); i++) {
        Transition edge = s.transition(i);
        if ( edge instanceof RuleTransition ) {
          RuleTransition rr = ((RuleTransition)edge);
          // don't jump to other rules, but display edge to follow node
          edgeST = stlib.getInstanceOf("edge");

          String label = "<" + ruleNames[rr.ruleIndex];
          if (((RuleStartState)rr.target).isPrecedenceRule) {
            label += "[" + rr.precedence + "]";
          }
          label += ">";

          edgeST.add("label", label);
          edgeST.add("src", "s"+s.stateNumber);
          edgeST.add("target", "s"+rr.followState.stateNumber);
          edgeST.add("arrowhead", arrowhead);
          dot.add("edges", edgeST);
          work.add(rr.followState);
          continue;
        }
        if ( edge instanceof ActionTransition) {
          edgeST = stlib.getInstanceOf("action-edge");
          edgeST.add("label", getEdgeLabel(edge.toString()));
        }
        else if ( edge instanceof AbstractPredicateTransition ) {
          edgeST = stlib.getInstanceOf("edge");
          edgeST.add("label", getEdgeLabel(edge.toString()));
        }
        else if ( edge.isEpsilon() ) {
          edgeST = stlib.getInstanceOf("epsilon-edge");
          edgeST.add("label", getEdgeLabel(edge.toString()));
          boolean loopback = false;
          if (edge.target instanceof PlusBlockStartState) {
            loopback = s.equals(((PlusBlockStartState)edge.target).loopBackState);
          }
          else if (edge.target instanceof StarLoopEntryState) {
            loopback = s.equals(((StarLoopEntryState)edge.target).loopBackState);
          }
          edgeST.add("loopback", loopback);
        }
        else if ( edge instanceof AtomTransition ) {
          edgeST = stlib.getInstanceOf("edge");
          AtomTransition atom = (AtomTransition)edge;
          String label = String.valueOf(atom.label);
          if ( isLexer ) label = "'"+getEdgeLabel(String.valueOf((char)atom.label))+"'";
          else if ( grammar!=null ) label = grammar.getTokenDisplayName(atom.label);
          edgeST.add("label", getEdgeLabel(label));
        }
        else if ( edge instanceof SetTransition ) {
          edgeST = stlib.getInstanceOf("edge");
          SetTransition set = (SetTransition)edge;
          String label = set.label().toString();
          if ( isLexer ) label = set.label().toString(true);
          else if ( grammar!=null ) label = set.label().toString(grammar.getVocabulary());
          if ( edge instanceof NotSetTransition ) label = "~"+label;
          edgeST.add("label", getEdgeLabel(label));
        }
        else if ( edge instanceof RangeTransition ) {
          edgeST = stlib.getInstanceOf("edge");
          RangeTransition range = (RangeTransition)edge;
          String label = range.label().toString();
          if ( isLexer ) label = range.toString();
          else if ( grammar!=null ) label = range.label().toString(grammar.getVocabulary());
          edgeST.add("label", getEdgeLabel(label));
        }
        else {
          edgeST = stlib.getInstanceOf("edge");
          edgeST.add("label", getEdgeLabel(edge.toString()));
        }
        edgeST.add("src", "s"+s.stateNumber);
        edgeST.add("target", "s"+edge.target.stateNumber);
        edgeST.add("arrowhead", arrowhead);
        if (s.getNumberOfTransitions() > 1) {
          edgeST.add("transitionIndex", i);
        } else {
          edgeST.add("transitionIndex", false);
        }
        dot.add("edges", edgeST);
        work.add(edge.target);
      }
    }

    // define nodes we visited (they will appear first in DOT output)
    // this is an example of ST's lazy eval :)
    // define stop state first; seems to be a bug in DOT where doublecircle
    // shape only works if we define them first. weird.
//    ATNState stopState = startState.atn.ruleToStopState.get(startState.rule);
//    if ( stopState!=null ) {
//      ST st = stlib.getInstanceOf("stopstate");
//      st.add("name", "s"+stopState.stateNumber);
//      st.add("label", getStateLabel(stopState));
//      dot.add("states", st);
//    }
    for (ATNState s : markedStates) {
      if ( !(s instanceof RuleStopState) ) continue;
      ST st = stlib.getInstanceOf("stopstate");
      st.add("name", "s"+s.stateNumber);
      st.add("label", getStateLabel(s));
      dot.add("states", st);
    }

    for (ATNState s : markedStates) {
      if ( s instanceof RuleStopState ) continue;
      ST st = stlib.getInstanceOf("state");
      st.add("name", "s"+s.stateNumber);
      st.add("label", getStateLabel(s));
      st.add("transitions", s.getTransitions());
      dot.add("states", st);
    }

    return dot.render();
  }
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    st.add("id", id);
    return st.render();
  }

  public String getImplicitRuleLabel(String ruleName) {
    ST st = getTemplates().getInstanceOf("ImplicitRuleLabel");
    st.add("ruleName", ruleName);
    return st.render();
  }
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    st.add("ruleName", ruleName);
    return st.render();
  }

  public String getElementListName(String name) {
    ST st = getTemplates().getInstanceOf("ElementListName");
    st.add("elemName", getElementName(name));
    return st.render();
  }
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      return this.event == ((Wrapper)o).event;
    }

    @Override
    public String toString() {
      ST st = event.scope.st;
      if ( st.isAnonSubtemplate() ) return "{...}";
      if ( st.debugState!=null && st.debugState.newSTEvent!=null ) {
        String label = st.toString()+" @ "+st.debugState.newSTEvent.getFileName()+":"+
             st.debugState.newSTEvent.getLine();
        return "<html><b>" + StringRenderer.escapeHTML(label) + "</b></html>";
      }
      else {
        return st.toString();
      }
    }
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public class STModelAdaptor implements ModelAdaptor {
  @Override
  public Object getProperty(Interpreter interp, ST self, Object o, Object property, String propertyName)
    throws STNoSuchPropertyException
  {
    ST st = (ST)o;
    return st.getAttribute(propertyName);
  }
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  public void time2Args(int reps) {
    String templates =
      "t(x,y) ::= \"<x><y>\"\n";
    Misc.writeFile(tmpdir, "t.stg", templates);
    STGroup group = new STGroupFile(tmpdir+"/"+"t.stg");
    ST st = group.getInstanceOf("t");
    st.add("x", 1);
    st.add("y", 2);

    for (int i = 0; i < reps; i++) {
      st.render();
    }
  }
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    String templates =
      "t(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z) ::=" +
        " \"<a>,<b>,<c>,<d>,<e>,<f>,<g>,<h>,<i>,<j>,<k>,<l>,<m>,<n>,<o>,<p>,<q>,<r>,<s>,<t>,<u>,<v>,<w>,<x>,<y>,<z>\"\n";
    Misc.writeFile(tmpdir, "t.stg", templates);
    STGroup group = new STGroupFile(tmpdir+"/"+"t.stg");
    ST st = group.getInstanceOf("t");
    st.add("x", 1);
    st.add("y", 2);

    for (int i = 0; i < reps; i++) {
      st.render();
    }
  }
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  public void timeSimplePropsOfArgs(int reps) {
    String templates =
      "t(x) ::= \"<x.id><x.name><x.id><x.name><x.id><x.name>\"\n";
    Misc.writeFile(tmpdir, "t.stg", templates);
    STGroup group = new STGroupFile(tmpdir+"/"+"t.stg");
    ST st = group.getInstanceOf("t");
    st.add("x", new User(32,"parrt"));

    for (int i = 0; i < reps; i++) {
      st.render();
    }
  }
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