Commit: 8c8a6a184b8dc32a82ed5727df1e0ed3d072be1f - joestar (git)

programming language

Commit MetaInfo

• Revision: 8c8a6a184b8dc32a82ed5727df1e0ed3d072be1f (tree)
• Time: 2023-07-05 22:53:04
• Author: dhrname <dhrname@joes...>
• Commiter: dhrname

Log Message

Generate parser sourcecode on JavaCC

Change Summary

• add: JostarParser.java
• add: JostarParserConstants.java
• add: JostarParserTokenManager.java
• modified: Makefile
• add: ParseException.java
• add: SimpleCharStream.java
• add: Token.java
• add: TokenMgrError.java
• modified: lex.jj

Incremental Difference

--- /dev/null
+++ b/JostarParser.java
@@ -0,0 +1,994 @@
+/* Generated By:JavaCC: Do not edit this line. JostarParser.java */
+package c0front;
+
+import java.io.FileReader;
+
+import coins.HirRoot;
+import coins.IoRoot;
+import coins.SymRoot;
+import coins.ir.IrList;
+import coins.ir.hir.BlockStmt;
+import coins.ir.hir.Exp;
+import coins.ir.hir.HIR0;
+import coins.ir.hir.Program;
+import coins.ir.hir.Stmt;
+import coins.ir.hir.SubpDefinition;
+import coins.sym.IntConst;
+import coins.sym.Param;
+import coins.sym.PointerType;
+import coins.sym.Subp;
+import coins.sym.Sym0;
+import coins.sym.Type;
+import coins.sym.Var;
+import coins.sym.VectorType;
+
+public class JostarParser implements JostarParserConstants {
+        private SymRoot  symRoot; //  root of symbol information
+        private Sym0 sym;              // Sym0 object creator
+        private HirRoot hirRoot;   // root of HIR information
+        private HIR0 hir;                 // HIR0 object creator
+        private IoRoot ioRoot;     // root of I/O information
+       private int currentLine=0; // Line number of token that appeared as the first
+        // ID of a statement. When currentLine is recorded as the line number
+        // of a statement, then it is set to 0 so that it will be set by next ID.
+
+        public JostarParser(SymRoot sRoot, HirRoot hRoot, IoRoot iRoot, FileReader reader) {
+                this(reader);
+                symRoot = sRoot;
+                sym = (Sym0)symRoot.sym;
+                hirRoot = hRoot;
+                hir = (HIR0)hirRoot.hir;
+                ioRoot = iRoot;
+                hirRoot.programRoot = hir.program(null, symRoot.symTableRoot, null, null);
+        }
+
+  final public void program() throws ParseException {
+    label_1:
+    while (true) {
+      externalDecl();
+      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+      case INT:
+      case VOID:
+        ;
+        break;
+      default:
+        jj_la1[0] = jj_gen;
+        break label_1;
+      }
+    }
+    jj_consume_token(0);
+  }
+
+  final public void externalDecl() throws ParseException {
+                   Subp lSubp; BlockStmt lBlockStmt; Stmt lStmt;
+    if (jj_2_1(3)) {
+      variableDecl();
+    } else {
+      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+      case INT:
+      case VOID:
+        lSubp = subpDeclarator();
+        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+        case 20:
+          jj_consume_token(20);
+                               lSubp.setVisibility(Sym0.SYM_EXTERN);
+                               symRoot.symTableCurrent.popSymTable();
+          break;
+        case 21:
+          jj_consume_token(21);
+          label_2:
+          while (true) {
+            switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+            case INT:
+            case VOID:
+              ;
+              break;
+            default:
+              jj_la1[1] = jj_gen;
+              break label_2;
+            }
+            variableDecl();
+          }
+                                      lBlockStmt = hir.blockStmt(null);
+          label_3:
+          while (true) {
+            switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+            case IF:
+            case WHILE:
+            case RETURN:
+            case ID:
+            case 21:
+              ;
+              break;
+            default:
+              jj_la1[2] = jj_gen;
+              break label_3;
+            }
+            lStmt = stmt();
+                               lBlockStmt.addLastStmt(lStmt);
+          }
+                               lSubp.setVisibility(Sym0.SYM_PUBLIC);
+                               SubpDefinition lSubpDef
+                                    = hir.subpDefinition(lSubp, symRoot.symTableCurrent);
+                               lSubpDef.setHirBody(lBlockStmt);
+                               ((Program)hirRoot.programRoot).addSubpDefinition(lSubpDef);
+                               symRoot.symTableCurrent.popSymTable();
+          jj_consume_token(22);
+          break;
+        default:
+          jj_la1[3] = jj_gen;
+          jj_consume_token(-1);
+          throw new ParseException();
+        }
+        break;
+      default:
+        jj_la1[4] = jj_gen;
+        jj_consume_token(-1);
+        throw new ParseException();
+      }
+    }
+  }
+
+  final public void variableDecl() throws ParseException {
+                   Type t;
+    t = typeId();
+    varDecl(t);
+    label_4:
+    while (true) {
+      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+      case 23:
+        ;
+        break;
+      default:
+        jj_la1[5] = jj_gen;
+        break label_4;
+      }
+      jj_consume_token(23);
+      varDecl(t);
+    }
+    jj_consume_token(20);
+  }
+
+  final public Type typeId() throws ParseException {
+    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+    case INT:
+      jj_consume_token(INT);
+              {if (true) return symRoot.typeInt;}
+      break;
+    case VOID:
+      jj_consume_token(VOID);
+              {if (true) return symRoot.typeVoid;}
+      break;
+    default:
+      jj_la1[6] = jj_gen;
+      jj_consume_token(-1);
+      throw new ParseException();
+    }
+    throw new Error("Missing return statement in function");
+  }
+
+  final public void varDecl(Type t) throws ParseException {
+                    Token id, num; Var lVar; Type lType;
+    id = jj_consume_token(ID);
+    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+    case 24:
+      jj_consume_token(24);
+      num = jj_consume_token(NUM);
+      jj_consume_token(25);
+                lType = sym.vectorType(t, Long.parseLong(num.image));
+      break;
+    default:
+      jj_la1[7] = jj_gen;
+                lType = t;
+    }
+                lVar = sym.defineVar(id.image.intern(), lType);
+                lVar.setVisibility(Sym0.SYM_PUBLIC);
+                ioRoot.dbgHir.print(2, "variableDeclaration", lVar.toString() +
+                        " " + lType.toString());
+  }
+
+  final public Subp subpDeclarator() throws ParseException {
+                     Type t; Token id; Subp lSubp;
+    t = typeId();
+    id = jj_consume_token(ID);
+                           lSubp = sym.defineSubp(id.image.intern(), t);
+                                      symRoot.symTableCurrent.pushSymTable(lSubp);
+    jj_consume_token(26);
+    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+    case INT:
+    case VOID:
+      paramDecl(lSubp);
+      label_5:
+      while (true) {
+        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+        case 23:
+          ;
+          break;
+        default:
+          jj_la1[8] = jj_gen;
+          break label_5;
+        }
+        jj_consume_token(23);
+        paramDecl(lSubp);
+      }
+      break;
+    default:
+      jj_la1[9] = jj_gen;
+      ;
+    }
+    jj_consume_token(27);
+                                       lSubp.closeSubpHeader();
+                                       ioRoot.dbgHir.print(2, "subpDeclaration", lSubp.toString() +
+                                       " " + t.toString());
+                                       {if (true) return lSubp;}
+    throw new Error("Missing return statement in function");
+  }
+
+  final public void paramDecl(Subp pSubp) throws ParseException {
+                          Type t, lType; Token id;
+    t = typeId();
+    id = jj_consume_token(ID);
+    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+    case 24:
+      jj_consume_token(24);
+      jj_consume_token(25);
+                     //lType = sym.pointerType(t); 
+                     VectorType vType = sym.vectorTypeUnfixed(t, 0);
+                     lType = sym.pointerType(vType);
+      break;
+    default:
+      jj_la1[10] = jj_gen;
+                     lType = t;
+    }
+                     Param lParam = sym.defineParam(id.image.intern(), lType);
+                     pSubp.addParam(lParam);
+                     ioRoot.dbgHir.print(2, "paramDeclaration", lParam.toString() +
+                            " " + lType.toString());
+  }
+
+  final public Stmt stmt() throws ParseException {
+           Token id; Stmt lStmt, lStmt2; Exp lExp, lExp2;
+    if (jj_2_2(2)) {
+      lExp = variable();
+      jj_consume_token(28);
+      lExp2 = expr();
+      jj_consume_token(20);
+                                lStmt = hir.assignStmt(lExp, lExp2);
+    } else {
+      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+      case IF:
+        id = jj_consume_token(IF);
+        jj_consume_token(26);
+        lExp = conditionalExp();
+        jj_consume_token(27);
+        lStmt = stmt();
+        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+        case ELSE:
+          jj_consume_token(ELSE);
+          lStmt2 = stmt();
+                                lStmt = hir.ifStmt(lExp, lStmt, lStmt2);
+          break;
+        default:
+          jj_la1[11] = jj_gen;
+                                lStmt = hir.ifStmt(lExp, lStmt, null);
+        }
+                                currentLine = id.beginLine;
+        break;
+      case WHILE:
+        jj_consume_token(WHILE);
+        jj_consume_token(26);
+        lExp = conditionalExp();
+        jj_consume_token(27);
+        lStmt = stmt();
+                                lStmt = hir.whileStmt(lExp, lStmt);
+        break;
+      case 21:
+        jj_consume_token(21);
+                                 BlockStmt lBlockStmt = hir.blockStmt(null);
+        label_6:
+        while (true) {
+          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+          case IF:
+          case WHILE:
+          case RETURN:
+          case ID:
+          case 21:
+            ;
+            break;
+          default:
+            jj_la1[12] = jj_gen;
+            break label_6;
+          }
+          lStmt = stmt();
+                           lBlockStmt.addLastStmt(lStmt);
+        }
+        jj_consume_token(22);
+                                  lStmt = lBlockStmt;
+        break;
+      case ID:
+        lExp = callExpr();
+        jj_consume_token(20);
+                             lStmt = hir.expStmt(lExp);
+        break;
+      case RETURN:
+        id = jj_consume_token(RETURN);
+        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+        case ID:
+        case NUM:
+        case 35:
+        case 36:
+          lExp = expr();
+                         lStmt = hir.returnStmt(lExp);
+          break;
+        default:
+          jj_la1[13] = jj_gen;
+                                lStmt = hir.returnStmt(null);
+        }
+        jj_consume_token(20);
+                                currentLine = id.beginLine;
+        break;
+      default:
+        jj_la1[14] = jj_gen;
+        jj_consume_token(-1);
+        throw new ParseException();
+      }
+    }
+                                if (lStmt != null)
+                                  ioRoot.dbgHir.print(2, "makeStmt", lStmt.toString());
+                                lStmt.setLineNumber(currentLine);
+                                currentLine = 0; // Set 0 so as it is set at ID processing.
+                                {if (true) return lStmt;}
+    throw new Error("Missing return statement in function");
+  }
+
+  final public Exp conditionalExp() throws ParseException {
+                     Exp lExp, lExp2; int op;
+    lExp = expr();
+    op = comparisonOperator();
+    lExp2 = expr();
+                             lExp = hir.exp(op, lExp, lExp2);
+                             ioRoot.dbgHir.print(2, "makeConditionalExp", lExp.toString());
+                             {if (true) return lExp;}
+    throw new Error("Missing return statement in function");
+  }
+
+  final public int comparisonOperator() throws ParseException {
+    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+    case 29:
+      jj_consume_token(29);
+                         {if (true) return HIR0.OP_CMP_EQ;}
+      break;
+    case 30:
+      jj_consume_token(30);
+                         {if (true) return HIR0.OP_CMP_NE;}
+      break;
+    case 31:
+      jj_consume_token(31);
+                        {if (true) return HIR0.OP_CMP_GT;}
+      break;
+    case 32:
+      jj_consume_token(32);
+                        {if (true) return HIR0.OP_CMP_GE;}
+      break;
+    case 33:
+      jj_consume_token(33);
+                        {if (true) return HIR0.OP_CMP_LT;}
+      break;
+    case 34:
+      jj_consume_token(34);
+                        {if (true) return HIR0.OP_CMP_LE;}
+      break;
+    default:
+      jj_la1[15] = jj_gen;
+      jj_consume_token(-1);
+      throw new ParseException();
+    }
+    throw new Error("Missing return statement in function");
+  }
+
+  final public Exp expr() throws ParseException {
+           Exp lExp, lExp2;
+    lExp = term();
+    label_7:
+    while (true) {
+      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+      case 35:
+      case 36:
+        ;
+        break;
+      default:
+        jj_la1[16] = jj_gen;
+        break label_7;
+      }
+      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+      case 35:
+        jj_consume_token(35);
+        lExp2 = term();
+                               lExp = hir.exp(HIR0.OP_ADD, lExp, lExp2);
+        break;
+      case 36:
+        jj_consume_token(36);
+        lExp2 = term();
+                                lExp = hir.exp(HIR0.OP_SUB, lExp, lExp2);
+        break;
+      default:
+        jj_la1[17] = jj_gen;
+        jj_consume_token(-1);
+        throw new ParseException();
+      }
+    }
+                                        {if (true) return lExp;}
+    throw new Error("Missing return statement in function");
+  }
+
+  final public Exp term() throws ParseException {
+           Exp lExp, lExp2;
+    lExp = factor();
+    label_8:
+    while (true) {
+      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+      case 37:
+      case 38:
+        ;
+        break;
+      default:
+        jj_la1[18] = jj_gen;
+        break label_8;
+      }
+      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+      case 37:
+        jj_consume_token(37);
+        lExp2 = factor();
+                                 lExp = hir.exp(HIR0.OP_MULT, lExp, lExp2);
+        break;
+      case 38:
+        jj_consume_token(38);
+        lExp2 = factor();
+                                 lExp = hir.exp(HIR0.OP_DIV, lExp, lExp2);
+        break;
+      default:
+        jj_la1[19] = jj_gen;
+        jj_consume_token(-1);
+        throw new ParseException();
+      }
+    }
+                                       {if (true) return lExp;}
+    throw new Error("Missing return statement in function");
+  }
+
+  final public Exp factor() throws ParseException {
+             Exp lExp; Token num;
+    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+    case 35:
+      jj_consume_token(35);
+      lExp = factor();
+                              {if (true) return lExp;}
+      break;
+    case 36:
+      jj_consume_token(36);
+      lExp = factor();
+                              {if (true) return hir.exp(HIR0.OP_NEG, lExp);}
+      break;
+    default:
+      jj_la1[20] = jj_gen;
+      if (jj_2_3(2)) {
+        lExp = callExpr();
+                                     {if (true) return lExp;}
+      } else {
+        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+        case ID:
+          lExp = variable();
+                              {if (true) return lExp;}
+          break;
+        case NUM:
+          num = jj_consume_token(NUM);
+                       IntConst lConst = sym.intConst(Long.parseLong(num.image), symRoot.typeInt);
+                                    {if (true) return hir.constNode(lConst);}
+          break;
+        default:
+          jj_la1[21] = jj_gen;
+          jj_consume_token(-1);
+          throw new ParseException();
+        }
+      }
+    }
+    throw new Error("Missing return statement in function");
+  }
+
+  final public Exp variable() throws ParseException {
+            Token id; Exp lExp;
+    id = jj_consume_token(ID);
+                      if (currentLine == 0)
+                                 currentLine = id.beginLine;
+                             Sym0 lSym = (Var)symRoot.symTableCurrent.search(id.image.intern());
+                             if (!(lSym instanceof Var)) {
+                                recoveredError("undeclared variable " + id.image, id.beginLine);
+                                lSym = sym.defineVar(id.image, symRoot.typeInt);
+                             }
+                             Exp lVarNode = hir.varNode((Var)lSym);
+    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+    case 24:
+      jj_consume_token(24);
+      lExp = expr();
+      jj_consume_token(25);
+                             if (lSym.getSymType() instanceof PointerType)
+                                   lExp = hir.subscriptedExp(hir.contentsExp(lVarNode), lExp);
+                              else
+                                   lExp = hir.subscriptedExp(lVarNode, lExp);
+      break;
+    default:
+      jj_la1[22] = jj_gen;
+                              if (lSym.getSymType() instanceof VectorType)
+                                   lExp = hir.exp(HIR0.OP_ADDR, lVarNode);
+                               else
+                                   lExp = lVarNode;
+    }
+                              ioRoot.dbgHir.print(4, "makeVariable",lExp.toString());
+                              {if (true) return lExp;}
+    throw new Error("Missing return statement in function");
+  }
+
+  final public Exp callExpr() throws ParseException {
+               Token id; Exp lExp;
+    id = jj_consume_token(ID);
+                        String lSubpName = id.image.intern();
+                               currentLine = id.beginLine;
+                              Subp lSubp = (Subp)symRoot.symTableCurrent.search(lSubpName, Sym0.KIND_SUBP);
+                              if (lSubp == null) {
+                                recoveredError("undeclared subprogram " + lSubpName, id.beginLine);
+                                lSubp = sym.defineSubp(lSubpName, symRoot.typeInt);
+                              }
+                              IrList lParamList = hir.irList();
+    jj_consume_token(26);
+    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+    case ID:
+    case NUM:
+    case 35:
+    case 36:
+      lExp = expr();
+                                     lParamList.add(lExp);
+      label_9:
+      while (true) {
+        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
+        case 23:
+          ;
+          break;
+        default:
+          jj_la1[23] = jj_gen;
+          break label_9;
+        }
+        jj_consume_token(23);
+        lExp = expr();
+                                     lParamList.add(lExp);
+      }
+      break;
+    default:
+      jj_la1[24] = jj_gen;
+      ;
+    }
+    jj_consume_token(27);
+                            {if (true) return hir.functionExp(hir.exp(HIR0.OP_ADDR, hir.subpNode(lSubp)), lParamList);}
+    throw new Error("Missing return statement in function");
+  }
+
+  void recoveredError(String pMessage, int pLine) throws ParseException {
+    if (pLine > 0)
+      ioRoot.msgRecovered.put(pMessage + " line " + pLine);
+    else
+      ioRoot.msgRecovered.put(pMessage);
+  }
+
+  private boolean jj_2_1(int xla) {
+    jj_la = xla; jj_lastpos = jj_scanpos = token;
+    try { return !jj_3_1(); }
+    catch(LookaheadSuccess ls) { return true; }
+    finally { jj_save(0, xla); }
+  }
+
+  private boolean jj_2_2(int xla) {
+    jj_la = xla; jj_lastpos = jj_scanpos = token;
+    try { return !jj_3_2(); }
+    catch(LookaheadSuccess ls) { return true; }
+    finally { jj_save(1, xla); }
+  }
+
+  private boolean jj_2_3(int xla) {
+    jj_la = xla; jj_lastpos = jj_scanpos = token;
+    try { return !jj_3_3(); }
+    catch(LookaheadSuccess ls) { return true; }
+    finally { jj_save(2, xla); }
+  }
+
+  private boolean jj_3R_11() {
+    if (jj_scan_token(ID)) return true;
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_16()) {
+    jj_scanpos = xsp;
+    if (jj_3R_17()) return true;
+    }
+    return false;
+  }
+
+  private boolean jj_3_1() {
+    if (jj_3R_10()) return true;
+    return false;
+  }
+
+  private boolean jj_3R_15() {
+    if (jj_scan_token(23)) return true;
+    return false;
+  }
+
+  private boolean jj_3R_10() {
+    if (jj_3R_13()) return true;
+    if (jj_3R_14()) return true;
+    Token xsp;
+    while (true) {
+      xsp = jj_scanpos;
+      if (jj_3R_15()) { jj_scanpos = xsp; break; }
+    }
+    if (jj_scan_token(20)) return true;
+    return false;
+  }
+
+  private boolean jj_3R_20() {
+    if (jj_scan_token(24)) return true;
+    return false;
+  }
+
+  private boolean jj_3R_17() {
+    return false;
+  }
+
+  private boolean jj_3R_16() {
+    if (jj_scan_token(24)) return true;
+    return false;
+  }
+
+  private boolean jj_3_3() {
+    if (jj_3R_12()) return true;
+    return false;
+  }
+
+  private boolean jj_3R_14() {
+    if (jj_scan_token(ID)) return true;
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_20()) {
+    jj_scanpos = xsp;
+    if (jj_3R_21()) return true;
+    }
+    return false;
+  }
+
+  private boolean jj_3_2() {
+    if (jj_3R_11()) return true;
+    if (jj_scan_token(28)) return true;
+    return false;
+  }
+
+  private boolean jj_3R_19() {
+    if (jj_scan_token(VOID)) return true;
+    return false;
+  }
+
+  private boolean jj_3R_18() {
+    if (jj_scan_token(INT)) return true;
+    return false;
+  }
+
+  private boolean jj_3R_13() {
+    Token xsp;
+    xsp = jj_scanpos;
+    if (jj_3R_18()) {
+    jj_scanpos = xsp;
+    if (jj_3R_19()) return true;
+    }
+    return false;
+  }
+
+  private boolean jj_3R_12() {
+    if (jj_scan_token(ID)) return true;
+    if (jj_scan_token(26)) return true;
+    return false;
+  }
+
+  private boolean jj_3R_21() {
+    return false;
+  }
+
+  /** Generated Token Manager. */
+  public JostarParserTokenManager token_source;
+  SimpleCharStream jj_input_stream;
+  /** Current token. */
+  public Token token;
+  /** Next token. */
+  public Token jj_nt;
+  private int jj_ntk;
+  private Token jj_scanpos, jj_lastpos;
+  private int jj_la;
+  /** Whether we are looking ahead. */
+  private boolean jj_lookingAhead = false;
+  private boolean jj_semLA;
+  private int jj_gen;
+  final private int[] jj_la1 = new int[25];
+  static private int[] jj_la1_0;
+  static private int[] jj_la1_1;
+  static {
+      jj_la1_init_0();
+      jj_la1_init_1();
+   }
+   private static void jj_la1_init_0() {
+      jj_la1_0 = new int[] {0x600,0x600,0x216800,0x300000,0x600,0x800000,0x600,0x1000000,0x800000,0x600,0x1000000,0x1000,0x216800,0x30000,0x216800,0xe0000000,0x0,0x0,0x0,0x0,0x0,0x30000,0x1000000,0x800000,0x30000,};
+   }
+   private static void jj_la1_init_1() {
+      jj_la1_1 = new int[] {0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x18,0x0,0x7,0x18,0x18,0x60,0x60,0x18,0x0,0x0,0x0,0x18,};
+   }
+  final private JJCalls[] jj_2_rtns = new JJCalls[3];
+  private boolean jj_rescan = false;
+  private int jj_gc = 0;
+
+  /** Constructor with InputStream. */
+  public JostarParser(java.io.InputStream stream) {
+     this(stream, null);
+  }
+  /** Constructor with InputStream and supplied encoding */
+  public JostarParser(java.io.InputStream stream, String encoding) {
+    try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
+    token_source = new JostarParserTokenManager(jj_input_stream);
+    token = new Token();
+    jj_ntk = -1;
+    jj_gen = 0;
+    for (int i = 0; i < 25; i++) jj_la1[i] = -1;
+    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
+  }
+
+  /** Reinitialise. */
+  public void ReInit(java.io.InputStream stream) {
+     ReInit(stream, null);
+  }
+  /** Reinitialise. */
+  public void ReInit(java.io.InputStream stream, String encoding) {
+    try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
+    token_source.ReInit(jj_input_stream);
+    token = new Token();
+    jj_ntk = -1;
+    jj_gen = 0;
+    for (int i = 0; i < 25; i++) jj_la1[i] = -1;
+    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
+  }
+
+  /** Constructor. */
+  public JostarParser(java.io.Reader stream) {
+    jj_input_stream = new SimpleCharStream(stream, 1, 1);
+    token_source = new JostarParserTokenManager(jj_input_stream);
+    token = new Token();
+    jj_ntk = -1;
+    jj_gen = 0;
+    for (int i = 0; i < 25; i++) jj_la1[i] = -1;
+    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
+  }
+
+  /** Reinitialise. */
+  public void ReInit(java.io.Reader stream) {
+    jj_input_stream.ReInit(stream, 1, 1);
+    token_source.ReInit(jj_input_stream);
+    token = new Token();
+    jj_ntk = -1;
+    jj_gen = 0;
+    for (int i = 0; i < 25; i++) jj_la1[i] = -1;
+    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
+  }
+
+  /** Constructor with generated Token Manager. */
+  public JostarParser(JostarParserTokenManager tm) {
+    token_source = tm;
+    token = new Token();
+    jj_ntk = -1;
+    jj_gen = 0;
+    for (int i = 0; i < 25; i++) jj_la1[i] = -1;
+    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
+  }
+
+  /** Reinitialise. */
+  public void ReInit(JostarParserTokenManager tm) {
+    token_source = tm;
+    token = new Token();
+    jj_ntk = -1;
+    jj_gen = 0;
+    for (int i = 0; i < 25; i++) jj_la1[i] = -1;
+    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
+  }
+
+  private Token jj_consume_token(int kind) throws ParseException {
+    Token oldToken;
+    if ((oldToken = token).next != null) token = token.next;
+    else token = token.next = token_source.getNextToken();
+    jj_ntk = -1;
+    if (token.kind == kind) {
+      jj_gen++;
+      if (++jj_gc > 100) {
+        jj_gc = 0;
+        for (int i = 0; i < jj_2_rtns.length; i++) {
+          JJCalls c = jj_2_rtns[i];
+          while (c != null) {
+            if (c.gen < jj_gen) c.first = null;
+            c = c.next;
+          }
+        }
+      }
+      return token;
+    }
+    token = oldToken;
+    jj_kind = kind;
+    throw generateParseException();
+  }
+
+  static private final class LookaheadSuccess extends java.lang.Error { }
+  final private LookaheadSuccess jj_ls = new LookaheadSuccess();
+  private boolean jj_scan_token(int kind) {
+    if (jj_scanpos == jj_lastpos) {
+      jj_la--;
+      if (jj_scanpos.next == null) {
+        jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.getNextToken();
+      } else {
+        jj_lastpos = jj_scanpos = jj_scanpos.next;
+      }
+    } else {
+      jj_scanpos = jj_scanpos.next;
+    }
+    if (jj_rescan) {
+      int i = 0; Token tok = token;
+      while (tok != null && tok != jj_scanpos) { i++; tok = tok.next; }
+      if (tok != null) jj_add_error_token(kind, i);
+    }
+    if (jj_scanpos.kind != kind) return true;
+    if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls;
+    return false;
+  }
+
+
+/** Get the next Token. */
+  final public Token getNextToken() {
+    if (token.next != null) token = token.next;
+    else token = token.next = token_source.getNextToken();
+    jj_ntk = -1;
+    jj_gen++;
+    return token;
+  }
+
+/** Get the specific Token. */
+  final public Token getToken(int index) {
+    Token t = jj_lookingAhead ? jj_scanpos : token;
+    for (int i = 0; i < index; i++) {
+      if (t.next != null) t = t.next;
+      else t = t.next = token_source.getNextToken();
+    }
+    return t;
+  }
+
+  private int jj_ntk() {
+    if ((jj_nt=token.next) == null)
+      return (jj_ntk = (token.next=token_source.getNextToken()).kind);
+    else
+      return (jj_ntk = jj_nt.kind);
+  }
+
+  private java.util.List jj_expentries = new java.util.ArrayList();
+  private int[] jj_expentry;
+  private int jj_kind = -1;
+  private int[] jj_lasttokens = new int[100];
+  private int jj_endpos;
+
+  private void jj_add_error_token(int kind, int pos) {
+    if (pos >= 100) return;
+    if (pos == jj_endpos + 1) {
+      jj_lasttokens[jj_endpos++] = kind;
+    } else if (jj_endpos != 0) {
+      jj_expentry = new int[jj_endpos];
+      for (int i = 0; i < jj_endpos; i++) {
+        jj_expentry[i] = jj_lasttokens[i];
+      }
+      boolean exists = false;
+      for (java.util.Iterator it = jj_expentries.iterator(); it.hasNext();) {
+        int[] oldentry = (int[])(it.next());
+        if (oldentry.length == jj_expentry.length) {
+          exists = true;
+          for (int i = 0; i < jj_expentry.length; i++) {
+            if (oldentry[i] != jj_expentry[i]) {
+              exists = false;
+              break;
+            }
+          }
+          if (exists) break;
+        }
+      }
+      if (!exists) jj_expentries.add(jj_expentry);
+      if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
+    }
+  }
+
+  /** Generate ParseException. */
+  public ParseException generateParseException() {
+    jj_expentries.clear();
+    boolean[] la1tokens = new boolean[39];
+    if (jj_kind >= 0) {
+      la1tokens[jj_kind] = true;
+      jj_kind = -1;
+    }
+    for (int i = 0; i < 25; i++) {
+      if (jj_la1[i] == jj_gen) {
+        for (int j = 0; j < 32; j++) {
+          if ((jj_la1_0[i] & (1<<j)) != 0) {
+            la1tokens[j] = true;
+          }
+          if ((jj_la1_1[i] & (1<<j)) != 0) {
+            la1tokens[32+j] = true;
+          }
+        }
+      }
+    }
+    for (int i = 0; i < 39; i++) {
+      if (la1tokens[i]) {
+        jj_expentry = new int[1];
+        jj_expentry[0] = i;
+        jj_expentries.add(jj_expentry);
+      }
+    }
+    jj_endpos = 0;
+    jj_rescan_token();
+    jj_add_error_token(0, 0);
+    int[][] exptokseq = new int[jj_expentries.size()][];
+    for (int i = 0; i < jj_expentries.size(); i++) {
+      exptokseq[i] = (int[])jj_expentries.get(i);
+    }
+    return new ParseException(token, exptokseq, tokenImage);
+  }
+
+  /** Enable tracing. */
+  final public void enable_tracing() {
+  }
+
+  /** Disable tracing. */
+  final public void disable_tracing() {
+  }
+
+  private void jj_rescan_token() {
+    jj_rescan = true;
+    for (int i = 0; i < 3; i++) {
+    try {
+      JJCalls p = jj_2_rtns[i];
+      do {
+        if (p.gen > jj_gen) {
+          jj_la = p.arg; jj_lastpos = jj_scanpos = p.first;
+          switch (i) {
+            case 0: jj_3_1(); break;
+            case 1: jj_3_2(); break;
+            case 2: jj_3_3(); break;
+          }
+        }
+        p = p.next;
+      } while (p != null);
+      } catch(LookaheadSuccess ls) { }
+    }
+    jj_rescan = false;
+  }
+
+  private void jj_save(int index, int xla) {
+    JJCalls p = jj_2_rtns[index];
+    while (p.gen > jj_gen) {
+      if (p.next == null) { p = p.next = new JJCalls(); break; }
+      p = p.next;
+    }
+    p.gen = jj_gen + xla - jj_la; p.first = token; p.arg = xla;
+  }
+
+  static final class JJCalls {
+    int gen;
+    Token first;
+    int arg;
+    JJCalls next;
+  }
+
+}

--- /dev/null
+++ b/JostarParserConstants.java
@@ -0,0 +1,94 @@
+/* Generated By:JavaCC: Do not edit this line. JostarParserConstants.java */
+package c0front;
+
+
+/** 
+ * Token literal values and constants.
+ * Generated by org.javacc.parser.OtherFilesGen#start()
+ */
+public interface JostarParserConstants {
+
+  /** End of File. */
+  int EOF = 0;
+  /** RegularExpression Id. */
+  int SPACE = 1;
+  /** RegularExpression Id. */
+  int INTEGER8 = 5;
+  /** RegularExpression Id. */
+  int INTEGER16 = 6;
+  /** RegularExpression Id. */
+  int INTEGER32 = 7;
+  /** RegularExpression Id. */
+  int INTEGER64 = 8;
+  /** RegularExpression Id. */
+  int INT = 9;
+  /** RegularExpression Id. */
+  int VOID = 10;
+  /** RegularExpression Id. */
+  int IF = 11;
+  /** RegularExpression Id. */
+  int ELSE = 12;
+  /** RegularExpression Id. */
+  int WHILE = 13;
+  /** RegularExpression Id. */
+  int RETURN = 14;
+  /** RegularExpression Id. */
+  int FOR = 15;
+  /** RegularExpression Id. */
+  int ID = 16;
+  /** RegularExpression Id. */
+  int NUM = 17;
+  /** RegularExpression Id. */
+  int LETTER = 18;
+  /** RegularExpression Id. */
+  int DIGIT = 19;
+
+  /** Lexical state. */
+  int DEFAULT = 0;
+  /** Lexical state. */
+  int WithinComment = 1;
+
+  /** Literal token values. */
+  String[] tokenImage = {
+    "<EOF>",
+    "<SPACE>",
+    "\"/*\"",
+    "\"*/\"",
+    "<token of kind 4>",
+    "\"i08\"",
+    "\"i16\"",
+    "\"i32\"",
+    "\"i64\"",
+    "\"int\"",
+    "\"void\"",
+    "\"if\"",
+    "\"else\"",
+    "\"while\"",
+    "\"return\"",
+    "\"for\"",
+    "<ID>",
+    "<NUM>",
+    "<LETTER>",
+    "<DIGIT>",
+    "\";\"",
+    "\"{\"",
+    "\"}\"",
+    "\",\"",
+    "\"[\"",
+    "\"]\"",
+    "\"(\"",
+    "\")\"",
+    "\"=\"",
+    "\"==\"",
+    "\"!=\"",
+    "\">\"",
+    "\">=\"",
+    "\"<\"",
+    "\"<=\"",
+    "\"+\"",
+    "\"-\"",
+    "\"*\"",
+    "\"/\"",
+  };
+
+}

--- /dev/null
+++ b/JostarParserTokenManager.java
@@ -0,0 +1,676 @@
+/* Generated By:JavaCC: Do not edit this line. JostarParserTokenManager.java */
+package c0front;
+import java.io.FileReader;
+import coins.HirRoot;
+import coins.IoRoot;
+import coins.SymRoot;
+import coins.ir.IrList;
+import coins.ir.hir.BlockStmt;
+import coins.ir.hir.Exp;
+import coins.ir.hir.HIR0;
+import coins.ir.hir.Program;
+import coins.ir.hir.Stmt;
+import coins.ir.hir.SubpDefinition;
+import coins.sym.IntConst;
+import coins.sym.Param;
+import coins.sym.PointerType;
+import coins.sym.Subp;
+import coins.sym.Sym0;
+import coins.sym.Type;
+import coins.sym.Var;
+import coins.sym.VectorType;
+
+/** Token Manager. */
+public class JostarParserTokenManager implements JostarParserConstants
+{
+
+  /** Debug output. */
+  public  java.io.PrintStream debugStream = System.out;
+  /** Set debug output. */
+  public  void setDebugStream(java.io.PrintStream ds) { debugStream = ds; }
+private final int jjStopStringLiteralDfa_0(int pos, long active0)
+{
+   switch (pos)
+   {
+      case 0:
+         if ((active0 & 0xffe0L) != 0L)
+         {
+            jjmatchedKind = 16;
+            return 2;
+         }
+         return -1;
+      case 1:
+         if ((active0 & 0x800L) != 0L)
+            return 2;
+         if ((active0 & 0xf7e0L) != 0L)
+         {
+            jjmatchedKind = 16;
+            jjmatchedPos = 1;
+            return 2;
+         }
+         return -1;
+      case 2:
+         if ((active0 & 0x83e0L) != 0L)
+            return 2;
+         if ((active0 & 0x7400L) != 0L)
+         {
+            jjmatchedKind = 16;
+            jjmatchedPos = 2;
+            return 2;
+         }
+         return -1;
+      case 3:
+         if ((active0 & 0x1400L) != 0L)
+            return 2;
+         if ((active0 & 0x6000L) != 0L)
+         {
+            jjmatchedKind = 16;
+            jjmatchedPos = 3;
+            return 2;
+         }
+         return -1;
+      case 4:
+         if ((active0 & 0x2000L) != 0L)
+            return 2;
+         if ((active0 & 0x4000L) != 0L)
+         {
+            jjmatchedKind = 16;
+            jjmatchedPos = 4;
+            return 2;
+         }
+         return -1;
+      default :
+         return -1;
+   }
+}
+private final int jjStartNfa_0(int pos, long active0)
+{
+   return jjMoveNfa_0(jjStopStringLiteralDfa_0(pos, active0), pos + 1);
+}
+private int jjStopAtPos(int pos, int kind)
+{
+   jjmatchedKind = kind;
+   jjmatchedPos = pos;
+   return pos + 1;
+}
+private int jjStartNfaWithStates_0(int pos, int kind, int state)
+{
+   jjmatchedKind = kind;
+   jjmatchedPos = pos;
+   try { curChar = input_stream.readChar(); }
+   catch(java.io.IOException e) { return pos + 1; }
+   return jjMoveNfa_0(state, pos + 1);
+}
+private int jjMoveStringLiteralDfa0_0()
+{
+   switch(curChar)
+   {
+      case 33:
+         return jjMoveStringLiteralDfa1_0(0x40000000L);
+      case 40:
+         return jjStopAtPos(0, 26);
+      case 41:
+         return jjStopAtPos(0, 27);
+      case 42:
+         return jjStopAtPos(0, 37);
+      case 43:
+         return jjStopAtPos(0, 35);
+      case 44:
+         return jjStopAtPos(0, 23);
+      case 45:
+         return jjStopAtPos(0, 36);
+      case 47:
+         jjmatchedKind = 38;
+         return jjMoveStringLiteralDfa1_0(0x4L);
+      case 59:
+         return jjStopAtPos(0, 20);
+      case 60:
+         jjmatchedKind = 33;
+         return jjMoveStringLiteralDfa1_0(0x400000000L);
+      case 61:
+         jjmatchedKind = 28;
+         return jjMoveStringLiteralDfa1_0(0x20000000L);
+      case 62:
+         jjmatchedKind = 31;
+         return jjMoveStringLiteralDfa1_0(0x100000000L);
+      case 91:
+         return jjStopAtPos(0, 24);
+      case 93:
+         return jjStopAtPos(0, 25);
+      case 101:
+         return jjMoveStringLiteralDfa1_0(0x1000L);
+      case 102:
+         return jjMoveStringLiteralDfa1_0(0x8000L);
+      case 105:
+         return jjMoveStringLiteralDfa1_0(0xbe0L);
+      case 114:
+         return jjMoveStringLiteralDfa1_0(0x4000L);
+      case 118:
+         return jjMoveStringLiteralDfa1_0(0x400L);
+      case 119:
+         return jjMoveStringLiteralDfa1_0(0x2000L);
+      case 123:
+         return jjStopAtPos(0, 21);
+      case 125:
+         return jjStopAtPos(0, 22);
+      default :
+         return jjMoveNfa_0(0, 0);
+   }
+}
+private int jjMoveStringLiteralDfa1_0(long active0)
+{
+   try { curChar = input_stream.readChar(); }
+   catch(java.io.IOException e) {
+      jjStopStringLiteralDfa_0(0, active0);
+      return 1;
+   }
+   switch(curChar)
+   {
+      case 42:
+         if ((active0 & 0x4L) != 0L)
+            return jjStopAtPos(1, 2);
+         break;
+      case 48:
+         return jjMoveStringLiteralDfa2_0(active0, 0x20L);
+      case 49:
+         return jjMoveStringLiteralDfa2_0(active0, 0x40L);
+      case 51:
+         return jjMoveStringLiteralDfa2_0(active0, 0x80L);
+      case 54:
+         return jjMoveStringLiteralDfa2_0(active0, 0x100L);
+      case 61:
+         if ((active0 & 0x20000000L) != 0L)
+            return jjStopAtPos(1, 29);
+         else if ((active0 & 0x40000000L) != 0L)
+            return jjStopAtPos(1, 30);
+         else if ((active0 & 0x100000000L) != 0L)
+            return jjStopAtPos(1, 32);
+         else if ((active0 & 0x400000000L) != 0L)
+            return jjStopAtPos(1, 34);
+         break;
+      case 101:
+         return jjMoveStringLiteralDfa2_0(active0, 0x4000L);
+      case 102:
+         if ((active0 & 0x800L) != 0L)
+            return jjStartNfaWithStates_0(1, 11, 2);
+         break;
+      case 104:
+         return jjMoveStringLiteralDfa2_0(active0, 0x2000L);
+      case 108:
+         return jjMoveStringLiteralDfa2_0(active0, 0x1000L);
+      case 110:
+         return jjMoveStringLiteralDfa2_0(active0, 0x200L);
+      case 111:
+         return jjMoveStringLiteralDfa2_0(active0, 0x8400L);
+      default :
+         break;
+   }
+   return jjStartNfa_0(0, active0);
+}
+private int jjMoveStringLiteralDfa2_0(long old0, long active0)
+{
+   if (((active0 &= old0)) == 0L)
+      return jjStartNfa_0(0, old0); 
+   try { curChar = input_stream.readChar(); }
+   catch(java.io.IOException e) {
+      jjStopStringLiteralDfa_0(1, active0);
+      return 2;
+   }
+   switch(curChar)
+   {
+      case 50:
+         if ((active0 & 0x80L) != 0L)
+            return jjStartNfaWithStates_0(2, 7, 2);
+         break;
+      case 52:
+         if ((active0 & 0x100L) != 0L)
+            return jjStartNfaWithStates_0(2, 8, 2);
+         break;
+      case 54:
+         if ((active0 & 0x40L) != 0L)
+            return jjStartNfaWithStates_0(2, 6, 2);
+         break;
+      case 56:
+         if ((active0 & 0x20L) != 0L)
+            return jjStartNfaWithStates_0(2, 5, 2);
+         break;
+      case 105:
+         return jjMoveStringLiteralDfa3_0(active0, 0x2400L);
+      case 114:
+         if ((active0 & 0x8000L) != 0L)
+            return jjStartNfaWithStates_0(2, 15, 2);
+         break;
+      case 115:
+         return jjMoveStringLiteralDfa3_0(active0, 0x1000L);
+      case 116:
+         if ((active0 & 0x200L) != 0L)
+            return jjStartNfaWithStates_0(2, 9, 2);
+         return jjMoveStringLiteralDfa3_0(active0, 0x4000L);
+      default :
+         break;
+   }
+   return jjStartNfa_0(1, active0);
+}
+private int jjMoveStringLiteralDfa3_0(long old0, long active0)
+{
+   if (((active0 &= old0)) == 0L)
+      return jjStartNfa_0(1, old0); 
+   try { curChar = input_stream.readChar(); }
+   catch(java.io.IOException e) {
+      jjStopStringLiteralDfa_0(2, active0);
+      return 3;
+   }
+   switch(curChar)
+   {
+      case 100:
+         if ((active0 & 0x400L) != 0L)
+            return jjStartNfaWithStates_0(3, 10, 2);
+         break;
+      case 101:
+         if ((active0 & 0x1000L) != 0L)
+            return jjStartNfaWithStates_0(3, 12, 2);
+         break;
+      case 108:
+         return jjMoveStringLiteralDfa4_0(active0, 0x2000L);
+      case 117:
+         return jjMoveStringLiteralDfa4_0(active0, 0x4000L);
+      default :
+         break;
+   }
+   return jjStartNfa_0(2, active0);
+}
+private int jjMoveStringLiteralDfa4_0(long old0, long active0)
+{
+   if (((active0 &= old0)) == 0L)
+      return jjStartNfa_0(2, old0); 
+   try { curChar = input_stream.readChar(); }
+   catch(java.io.IOException e) {
+      jjStopStringLiteralDfa_0(3, active0);
+      return 4;
+   }
+   switch(curChar)
+   {
+      case 101:
+         if ((active0 & 0x2000L) != 0L)
+            return jjStartNfaWithStates_0(4, 13, 2);
+         break;
+      case 114:
+         return jjMoveStringLiteralDfa5_0(active0, 0x4000L);
+      default :
+         break;
+   }
+   return jjStartNfa_0(3, active0);
+}
+private int jjMoveStringLiteralDfa5_0(long old0, long active0)
+{
+   if (((active0 &= old0)) == 0L)
+      return jjStartNfa_0(3, old0); 
+   try { curChar = input_stream.readChar(); }
+   catch(java.io.IOException e) {
+      jjStopStringLiteralDfa_0(4, active0);
+      return 5;
+   }
+   switch(curChar)
+   {
+      case 110:
+         if ((active0 & 0x4000L) != 0L)
+            return jjStartNfaWithStates_0(5, 14, 2);
+         break;
+      default :
+         break;
+   }
+   return jjStartNfa_0(4, active0);
+}
+private int jjMoveNfa_0(int startState, int curPos)
+{
+   //int[] nextStates; // not used
+   int startsAt = 0;
+   jjnewStateCnt = 4;
+   int i = 1;
+   jjstateSet[0] = startState;
+   //int j; // not used
+   int kind = 0x7fffffff;
+   for (;;)
+   {
+      if (++jjround == 0x7fffffff)
+         ReInitRounds();
+      if (curChar < 64)
+      {
+         long l = 1L << curChar;
+         do
+         {
+            switch(jjstateSet[--i])
+            {
+               case 0:
+                  if ((0x3ff000000000000L & l) != 0L)
+                  {
+                     if (kind > 17)
+                        kind = 17;
+                     jjCheckNAdd(3);
+                  }
+                  else if ((0x100002600L & l) != 0L)
+                  {
+                     if (kind > 1)
+                        kind = 1;
+                  }
+                  break;
+               case 2:
+                  if ((0x3ff000000000000L & l) == 0L)
+                     break;
+                  if (kind > 16)
+                     kind = 16;
+                  jjstateSet[jjnewStateCnt++] = 2;
+                  break;
+               case 3:
+                  if ((0x3ff000000000000L & l) == 0L)
+                     break;
+                  if (kind > 17)
+                     kind = 17;
+                  jjCheckNAdd(3);
+                  break;
+               default : break;
+            }
+         } while(i != startsAt);
+      }
+      else if (curChar < 128)
+      {
+         long l = 1L << (curChar & 077);
+         do
+         {
+            switch(jjstateSet[--i])
+            {
+               case 0:
+               case 2:
+                  if ((0x7fffffe07fffffeL & l) == 0L)
+                     break;
+                  if (kind > 16)
+                     kind = 16;
+                  jjCheckNAdd(2);
+                  break;
+               default : break;
+            }
+         } while(i != startsAt);
+      }
+      else
+      {
+         int i2 = (curChar & 0xff) >> 6;
+         long l2 = 1L << (curChar & 077);
+         do
+         {
+            switch(jjstateSet[--i])
+            {
+               default : break;
+            }
+         } while(i != startsAt);
+      }
+      if (kind != 0x7fffffff)
+      {
+         jjmatchedKind = kind;
+         jjmatchedPos = curPos;
+         kind = 0x7fffffff;
+      }
+      ++curPos;
+      if ((i = jjnewStateCnt) == (startsAt = 4 - (jjnewStateCnt = startsAt)))
+         return curPos;
+      try { curChar = input_stream.readChar(); }
+      catch(java.io.IOException e) { return curPos; }
+   }
+}
+private int jjMoveStringLiteralDfa0_1()
+{
+   switch(curChar)
+   {
+      case 42:
+         return jjMoveStringLiteralDfa1_1(0x8L);
+      default :
+         return 1;
+   }
+}
+private int jjMoveStringLiteralDfa1_1(long active0)
+{
+   try { curChar = input_stream.readChar(); }
+   catch(java.io.IOException e) {
+      return 1;
+   }
+   switch(curChar)
+   {
+      case 47:
+         if ((active0 & 0x8L) != 0L)
+            return jjStopAtPos(1, 3);
+         break;
+      default :
+         return 2;
+   }
+   return 2;
+}
+static final int[] jjnextStates = {
+};
+
+/** Token literal values. */
+public static final String[] jjstrLiteralImages = {
+"", null, null, null, null, "\151\60\70", "\151\61\66", "\151\63\62", 
+"\151\66\64", "\151\156\164", "\166\157\151\144", "\151\146", "\145\154\163\145", 
+"\167\150\151\154\145", "\162\145\164\165\162\156", "\146\157\162", null, null, null, null, "\73", 
+"\173", "\175", "\54", "\133", "\135", "\50", "\51", "\75", "\75\75", "\41\75", "\76", 
+"\76\75", "\74", "\74\75", "\53", "\55", "\52", "\57", };
+
+/** Lexer state names. */
+public static final String[] lexStateNames = {
+   "DEFAULT", 
+   "WithinComment", 
+};
+
+/** Lex State array. */
+public static final int[] jjnewLexState = {
+   -1, -1, 1, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+   -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
+};
+static final long[] jjtoToken = {
+   0x7ffff3ffe1L, 
+};
+static final long[] jjtoSkip = {
+   0xeL, 
+};
+static final long[] jjtoMore = {
+   0x10L, 
+};
+protected SimpleCharStream input_stream;
+private final int[] jjrounds = new int[4];
+private final int[] jjstateSet = new int[8];
+protected char curChar;
+/** Constructor. */
+public JostarParserTokenManager(SimpleCharStream stream){
+   if (SimpleCharStream.staticFlag)
+      throw new Error("ERROR: Cannot use a static CharStream class with a non-static lexical analyzer.");
+   input_stream = stream;
+}
+
+/** Constructor. */
+public JostarParserTokenManager(SimpleCharStream stream, int lexState){
+   this(stream);
+   SwitchTo(lexState);
+}
+
+/** Reinitialise parser. */
+public void ReInit(SimpleCharStream stream)
+{
+   jjmatchedPos = jjnewStateCnt = 0;
+   curLexState = defaultLexState;
+   input_stream = stream;
+   ReInitRounds();
+}
+private void ReInitRounds()
+{
+   int i;
+   jjround = 0x80000001;
+   for (i = 4; i-- > 0;)
+      jjrounds[i] = 0x80000000;
+}
+
+/** Reinitialise parser. */
+public void ReInit(SimpleCharStream stream, int lexState)
+{
+   ReInit(stream);
+   SwitchTo(lexState);
+}
+
+/** Switch to specified lex state. */
+public void SwitchTo(int lexState)
+{
+   if (lexState >= 2 || lexState < 0)
+      throw new TokenMgrError("Error: Ignoring invalid lexical state : " + lexState + ". State unchanged.", TokenMgrError.INVALID_LEXICAL_STATE);
+   else
+      curLexState = lexState;
+}
+
+protected Token jjFillToken()
+{
+   final Token t;
+   final String tokenImage;
+   final int beginLine;
+   final int endLine;
+   final int beginColumn;
+   final int endColumn;
+   String im = jjstrLiteralImages[jjmatchedKind];
+   tokenImage = (im == null) ? input_stream.GetImage() : im;
+   beginLine = input_stream.getBeginLine();
+   beginColumn = input_stream.getBeginColumn();
+   endLine = input_stream.getEndLine();
+   endColumn = input_stream.getEndColumn();
+   t = Token.newToken(jjmatchedKind, tokenImage);
+
+   t.beginLine = beginLine;
+   t.endLine = endLine;
+   t.beginColumn = beginColumn;
+   t.endColumn = endColumn;
+
+   return t;
+}
+
+int curLexState = 0;
+int defaultLexState = 0;
+int jjnewStateCnt;
+int jjround;
+int jjmatchedPos;
+int jjmatchedKind;
+
+/** Get the next Token. */
+public Token getNextToken() 
+{
+  //int kind;
+  Token specialToken = null;
+  Token matchedToken;
+  int curPos = 0;
+
+  EOFLoop :
+  for (;;)
+  {   
+   try   
+   {     
+      curChar = input_stream.BeginToken();
+   }     
+   catch(java.io.IOException e)
+   {        
+      jjmatchedKind = 0;
+      matchedToken = jjFillToken();
+      return matchedToken;
+   }
+
+   for (;;)
+   {
+     switch(curLexState)
+     {
+       case 0:
+         jjmatchedKind = 0x7fffffff;
+         jjmatchedPos = 0;
+         curPos = jjMoveStringLiteralDfa0_0();
+         break;
+       case 1:
+         jjmatchedKind = 0x7fffffff;
+         jjmatchedPos = 0;
+         curPos = jjMoveStringLiteralDfa0_1();
+         if (jjmatchedPos == 0 && jjmatchedKind > 4)
+         {
+            jjmatchedKind = 4;
+         }
+         break;
+     }
+     if (jjmatchedKind != 0x7fffffff)
+     {
+        if (jjmatchedPos + 1 < curPos)
+           input_stream.backup(curPos - jjmatchedPos - 1);
+        if ((jjtoToken[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L)
+        {
+           matchedToken = jjFillToken();
+       if (jjnewLexState[jjmatchedKind] != -1)
+         curLexState = jjnewLexState[jjmatchedKind];
+           return matchedToken;
+        }
+        else if ((jjtoSkip[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L)
+        {
+         if (jjnewLexState[jjmatchedKind] != -1)
+           curLexState = jjnewLexState[jjmatchedKind];
+           continue EOFLoop;
+        }
+      if (jjnewLexState[jjmatchedKind] != -1)
+        curLexState = jjnewLexState[jjmatchedKind];
+        curPos = 0;
+        jjmatchedKind = 0x7fffffff;
+        try {
+           curChar = input_stream.readChar();
+           continue;
+        }
+        catch (java.io.IOException e1) { }
+     }
+     int error_line = input_stream.getEndLine();
+     int error_column = input_stream.getEndColumn();
+     String error_after = null;
+     boolean EOFSeen = false;
+     try { input_stream.readChar(); input_stream.backup(1); }
+     catch (java.io.IOException e1) {
+        EOFSeen = true;
+        error_after = curPos <= 1 ? "" : input_stream.GetImage();
+        if (curChar == '\n' || curChar == '\r') {
+           error_line++;
+           error_column = 0;
+        }
+        else
+           error_column++;
+     }
+     if (!EOFSeen) {
+        input_stream.backup(1);
+        error_after = curPos <= 1 ? "" : input_stream.GetImage();
+     }
+     throw new TokenMgrError(EOFSeen, curLexState, error_line, error_column, error_after, curChar, TokenMgrError.LEXICAL_ERROR);
+   }
+  }
+}
+
+private void jjCheckNAdd(int state)
+{
+   if (jjrounds[state] != jjround)
+   {
+      jjstateSet[jjnewStateCnt++] = state;
+      jjrounds[state] = jjround;
+   }
+}
+private void jjAddStates(int start, int end)
+{
+   do {
+      jjstateSet[jjnewStateCnt++] = jjnextStates[start];
+   } while (start++ != end);
+}
+private void jjCheckNAddTwoStates(int state1, int state2)
+{
+   jjCheckNAdd(state1);
+   jjCheckNAdd(state2);
+}
+
+private void jjCheckNAddStates(int start, int end)
+{
+   do {
+      jjCheckNAdd(jjnextStates[start]);
+   } while (start++ != end);
+}
+
+}

--- a/Makefile
+++ b/Makefile
@@ -17,12 +17,11 @@ all : bin/jostar.exe
 lex.yy.cc: lex.l
 	$(LEX) -+ $^
 
-
 bin/jostar.exe: test.c
-	java -cp "$(MAKEFILE_DIR)/coins/classes" coins.driver.Driver -o $@ -coins:target=x86_64,assembler=as test.c
+	java -cp "$(MAKEFILE_DIR)/coins/classes" coins.driver.Driver -o $@ -coins:target=x86_64,assembler=as $^
 
-bin/jostar.exe: c0.jj
-	 java -cp "$(MAKEFILE_DIR)/bin/javacc/javacc.jar" javacc c0.jj
+Token.java: lex.jj
+	 java -cp "$(MAKEFILE_DIR)/bin/javacc/javacc.jar" javacc $^
 
 $(OBJECTDIR)lex.o: lex.yy.cc FlexLexer.h
 	$(CC) $(LLVM) lex.yy.cc -c -o  $@

--- /dev/null
+++ b/ParseException.java
@@ -0,0 +1,198 @@
+/* Generated By:JavaCC: Do not edit this line. ParseException.java Version 4.1 */
+/* JavaCCOptions:KEEP_LINE_COL=null */
+package c0front;
+
+/**
+ * This exception is thrown when parse errors are encountered.
+ * You can explicitly create objects of this exception type by
+ * calling the method generateParseException in the generated
+ * parser.
+ *
+ * You can modify this class to customize your error reporting
+ * mechanisms so long as you retain the public fields.
+ */
+public class ParseException extends Exception {
+
+  /**
+   * This constructor is used by the method "generateParseException"
+   * in the generated parser.  Calling this constructor generates
+   * a new object of this type with the fields "currentToken",
+   * "expectedTokenSequences", and "tokenImage" set.  The boolean
+   * flag "specialConstructor" is also set to true to indicate that
+   * this constructor was used to create this object.
+   * This constructor calls its super class with the empty string
+   * to force the "toString" method of parent class "Throwable" to
+   * print the error message in the form:
+   *     ParseException: <result of getMessage>
+   */
+  public ParseException(Token currentTokenVal,
+                        int[][] expectedTokenSequencesVal,
+                        String[] tokenImageVal
+                       )
+  {
+    super("");
+    specialConstructor = true;
+    currentToken = currentTokenVal;
+    expectedTokenSequences = expectedTokenSequencesVal;
+    tokenImage = tokenImageVal;
+  }
+
+  /**
+   * The following constructors are for use by you for whatever
+   * purpose you can think of.  Constructing the exception in this
+   * manner makes the exception behave in the normal way - i.e., as
+   * documented in the class "Throwable".  The fields "errorToken",
+   * "expectedTokenSequences", and "tokenImage" do not contain
+   * relevant information.  The JavaCC generated code does not use
+   * these constructors.
+   */
+
+  public ParseException() {
+    super();
+    specialConstructor = false;
+  }
+
+  /** Constructor with message. */
+  public ParseException(String message) {
+    super(message);
+    specialConstructor = false;
+  }
+
+  /**
+   * This variable determines which constructor was used to create
+   * this object and thereby affects the semantics of the
+   * "getMessage" method (see below).
+   */
+  protected boolean specialConstructor;
+
+  /**
+   * This is the last token that has been consumed successfully.  If
+   * this object has been created due to a parse error, the token
+   * followng this token will (therefore) be the first error token.
+   */
+  public Token currentToken;
+
+  /**
+   * Each entry in this array is an array of integers.  Each array
+   * of integers represents a sequence of tokens (by their ordinal
+   * values) that is expected at this point of the parse.
+   */
+  public int[][] expectedTokenSequences;
+
+  /**
+   * This is a reference to the "tokenImage" array of the generated
+   * parser within which the parse error occurred.  This array is
+   * defined in the generated ...Constants interface.
+   */
+  public String[] tokenImage;
+
+  /**
+   * This method has the standard behavior when this object has been
+   * created using the standard constructors.  Otherwise, it uses
+   * "currentToken" and "expectedTokenSequences" to generate a parse
+   * error message and returns it.  If this object has been created
+   * due to a parse error, and you do not catch it (it gets thrown
+   * from the parser), then this method is called during the printing
+   * of the final stack trace, and hence the correct error message
+   * gets displayed.
+   */
+  public String getMessage() {
+    if (!specialConstructor) {
+      return super.getMessage();
+    }
+    StringBuffer expected = new StringBuffer();
+    int maxSize = 0;
+    for (int i = 0; i < expectedTokenSequences.length; i++) {
+      if (maxSize < expectedTokenSequences[i].length) {
+        maxSize = expectedTokenSequences[i].length;
+      }
+      for (int j = 0; j < expectedTokenSequences[i].length; j++) {
+        expected.append(tokenImage[expectedTokenSequences[i][j]]).append(' ');
+      }
+      if (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0) {
+        expected.append("...");
+      }
+      expected.append(eol).append("    ");
+    }
+    String retval = "Encountered \"";
+    Token tok = currentToken.next;
+    for (int i = 0; i < maxSize; i++) {
+      if (i != 0) retval += " ";
+      if (tok.kind == 0) {
+        retval += tokenImage[0];
+        break;
+      }
+      retval += " " + tokenImage[tok.kind];
+      retval += " \"";
+      retval += add_escapes(tok.image);
+      retval += " \"";
+      tok = tok.next; 
+    }
+    retval += "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn;
+    retval += "." + eol;
+    if (expectedTokenSequences.length == 1) {
+      retval += "Was expecting:" + eol + "    ";
+    } else {
+      retval += "Was expecting one of:" + eol + "    ";
+    }
+    retval += expected.toString();
+    return retval;
+  }
+
+  /**
+   * The end of line string for this machine.
+   */
+  protected String eol = System.getProperty("line.separator", "\n");
+ 
+  /**
+   * Used to convert raw characters to their escaped version
+   * when these raw version cannot be used as part of an ASCII
+   * string literal.
+   */
+  protected String add_escapes(String str) {
+      StringBuffer retval = new StringBuffer();
+      char ch;
+      for (int i = 0; i < str.length(); i++) {
+        switch (str.charAt(i))
+        {
+           case 0 :
+              continue;
+           case '\b':
+              retval.append("\\b");
+              continue;
+           case '\t':
+              retval.append("\\t");
+              continue;
+           case '\n':
+              retval.append("\\n");
+              continue;
+           case '\f':
+              retval.append("\\f");
+              continue;
+           case '\r':
+              retval.append("\\r");
+              continue;
+           case '\"':
+              retval.append("\\\"");
+              continue;
+           case '\'':
+              retval.append("\\\'");
+              continue;
+           case '\\':
+              retval.append("\\\\");
+              continue;
+           default:
+              if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
+                 String s = "0000" + Integer.toString(ch, 16);
+                 retval.append("\\u" + s.substring(s.length() - 4, s.length()));
+              } else {
+                 retval.append(ch);
+              }
+              continue;
+        }
+      }
+      return retval.toString();
+   }
+
+}
+/* JavaCC - OriginalChecksum=883964498d95448a8bf0dfbf88846feb (do not edit this line) */

--- /dev/null
+++ b/SimpleCharStream.java
@@ -0,0 +1,472 @@
+/* Generated By:JavaCC: Do not edit this line. SimpleCharStream.java Version 4.1 */
+/* JavaCCOptions:STATIC=false */
+package c0front;
+
+/**
+ * An implementation of interface CharStream, where the stream is assumed to
+ * contain only ASCII characters (without unicode processing).
+ */
+
+public class SimpleCharStream
+{
+/** Whether parser is static. */
+  public static final boolean staticFlag = false;
+  int bufsize;
+  int available;
+  int tokenBegin;
+/** Position in buffer. */
+  public int bufpos = -1;
+  protected int bufline[];
+  protected int bufcolumn[];
+
+  protected int column = 0;
+  protected int line = 1;
+
+  protected boolean prevCharIsCR = false;
+  protected boolean prevCharIsLF = false;
+
+  protected java.io.Reader inputStream;
+
+  protected char[] buffer;
+  protected int maxNextCharInd = 0;
+  protected int inBuf = 0;
+  protected int tabSize = 8;
+
+  protected void setTabSize(int i) { tabSize = i; }
+  protected int getTabSize(int i) { return tabSize; }
+
+
+  protected void ExpandBuff(boolean wrapAround)
+  {
+     char[] newbuffer = new char[bufsize + 2048];
+     int newbufline[] = new int[bufsize + 2048];
+     int newbufcolumn[] = new int[bufsize + 2048];
+
+     try
+     {
+        if (wrapAround)
+        {
+           System.arraycopy(buffer, tokenBegin, newbuffer, 0, bufsize - tokenBegin);
+           System.arraycopy(buffer, 0, newbuffer,
+                                             bufsize - tokenBegin, bufpos);
+           buffer = newbuffer;
+
+           System.arraycopy(bufline, tokenBegin, newbufline, 0, bufsize - tokenBegin);
+           System.arraycopy(bufline, 0, newbufline, bufsize - tokenBegin, bufpos);
+           bufline = newbufline;
+
+           System.arraycopy(bufcolumn, tokenBegin, newbufcolumn, 0, bufsize - tokenBegin);
+           System.arraycopy(bufcolumn, 0, newbufcolumn, bufsize - tokenBegin, bufpos);
+           bufcolumn = newbufcolumn;
+
+           maxNextCharInd = (bufpos += (bufsize - tokenBegin));
+        }
+        else
+        {
+           System.arraycopy(buffer, tokenBegin, newbuffer, 0, bufsize - tokenBegin);
+           buffer = newbuffer;
+
+           System.arraycopy(bufline, tokenBegin, newbufline, 0, bufsize - tokenBegin);
+           bufline = newbufline;
+
+           System.arraycopy(bufcolumn, tokenBegin, newbufcolumn, 0, bufsize - tokenBegin);
+           bufcolumn = newbufcolumn;
+
+           maxNextCharInd = (bufpos -= tokenBegin);
+        }
+     }
+     catch (Throwable t)
+     {
+        throw new Error(t.getMessage());
+     }
+
+
+     bufsize += 2048;
+     available = bufsize;
+     tokenBegin = 0;
+  }
+
+  protected void FillBuff() throws java.io.IOException
+  {
+     if (maxNextCharInd == available)
+     {
+        if (available == bufsize)
+        {
+           if (tokenBegin > 2048)
+           {
+              bufpos = maxNextCharInd = 0;
+              available = tokenBegin;
+           }
+           else if (tokenBegin < 0)
+              bufpos = maxNextCharInd = 0;
+           else
+              ExpandBuff(false);
+        }
+        else if (available > tokenBegin)
+           available = bufsize;
+        else if ((tokenBegin - available) < 2048)
+           ExpandBuff(true);
+        else
+           available = tokenBegin;
+     }
+
+     int i;
+     try {
+        if ((i = inputStream.read(buffer, maxNextCharInd,
+                                    available - maxNextCharInd)) == -1)
+        {
+           inputStream.close();
+           throw new java.io.IOException();
+        }
+        else
+           maxNextCharInd += i;
+        return;
+     }
+     catch(java.io.IOException e) {
+        --bufpos;
+        backup(0);
+        if (tokenBegin == -1)
+           tokenBegin = bufpos;
+        throw e;
+     }
+  }
+
+/** Start. */
+  public char BeginToken() throws java.io.IOException
+  {
+     tokenBegin = -1;
+     char c = readChar();
+     tokenBegin = bufpos;
+
+     return c;
+  }
+
+  protected void UpdateLineColumn(char c)
+  {
+     column++;
+
+     if (prevCharIsLF)
+     {
+        prevCharIsLF = false;
+        line += (column = 1);
+     }
+     else if (prevCharIsCR)
+     {
+        prevCharIsCR = false;
+        if (c == '\n')
+        {
+           prevCharIsLF = true;
+        }
+        else
+           line += (column = 1);
+     }
+
+     switch (c)
+     {
+        case '\r' :
+           prevCharIsCR = true;
+           break;
+        case '\n' :
+           prevCharIsLF = true;
+           break;
+        case '\t' :
+           column--;
+           column += (tabSize - (column % tabSize));
+           break;
+        default :
+           break;
+     }
+
+     bufline[bufpos] = line;
+     bufcolumn[bufpos] = column;
+  }
+
+/** Read a character. */
+  public char readChar() throws java.io.IOException
+  {
+     if (inBuf > 0)
+     {
+        --inBuf;
+
+        if (++bufpos == bufsize)
+           bufpos = 0;
+
+        return buffer[bufpos];
+     }
+
+     if (++bufpos >= maxNextCharInd)
+        FillBuff();
+
+     char c = buffer[bufpos];
+
+     UpdateLineColumn(c);
+     return c;
+  }
+
+  /**
+   * @deprecated 
+   * @see #getEndColumn
+   */
+
+  public int getColumn() {
+     return bufcolumn[bufpos];
+  }
+
+  /**
+   * @deprecated 
+   * @see #getEndLine
+   */
+
+  public int getLine() {
+     return bufline[bufpos];
+  }
+
+  /** Get token end column number. */
+  public int getEndColumn() {
+     return bufcolumn[bufpos];
+  }
+
+  /** Get token end line number. */
+  public int getEndLine() {
+     return bufline[bufpos];
+  }
+
+  /** Get token beginning column number. */
+  public int getBeginColumn() {
+     return bufcolumn[tokenBegin];
+  }
+
+  /** Get token beginning line number. */
+  public int getBeginLine() {
+     return bufline[tokenBegin];
+  }
+
+/** Backup a number of characters. */
+  public void backup(int amount) {
+
+    inBuf += amount;
+    if ((bufpos -= amount) < 0)
+       bufpos += bufsize;
+  }
+
+  /** Constructor. */
+  public SimpleCharStream(java.io.Reader dstream, int startline,
+  int startcolumn, int buffersize)
+  {
+    inputStream = dstream;
+    line = startline;
+    column = startcolumn - 1;
+
+    available = bufsize = buffersize;
+    buffer = new char[buffersize];
+    bufline = new int[buffersize];
+    bufcolumn = new int[buffersize];
+  }
+
+  /** Constructor. */
+  public SimpleCharStream(java.io.Reader dstream, int startline,
+                          int startcolumn)
+  {
+     this(dstream, startline, startcolumn, 4096);
+  }
+
+  /** Constructor. */
+  public SimpleCharStream(java.io.Reader dstream)
+  {
+     this(dstream, 1, 1, 4096);
+  }
+
+  /** Reinitialise. */
+  public void ReInit(java.io.Reader dstream, int startline,
+  int startcolumn, int buffersize)
+  {
+    inputStream = dstream;
+    line = startline;
+    column = startcolumn - 1;
+
+    if (buffer == null || buffersize != buffer.length)
+    {
+      available = bufsize = buffersize;
+      buffer = new char[buffersize];
+      bufline = new int[buffersize];
+      bufcolumn = new int[buffersize];
+    }
+    prevCharIsLF = prevCharIsCR = false;
+    tokenBegin = inBuf = maxNextCharInd = 0;
+    bufpos = -1;
+  }
+
+  /** Reinitialise. */
+  public void ReInit(java.io.Reader dstream, int startline,
+                     int startcolumn)
+  {
+     ReInit(dstream, startline, startcolumn, 4096);
+  }
+
+  /** Reinitialise. */
+  public void ReInit(java.io.Reader dstream)
+  {
+     ReInit(dstream, 1, 1, 4096);
+  }
+  /** Constructor. */
+  public SimpleCharStream(java.io.InputStream dstream, String encoding, int startline,
+  int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException
+  {
+     this(encoding == null ? new java.io.InputStreamReader(dstream) : new java.io.InputStreamReader(dstream, encoding), startline, startcolumn, buffersize);
+  }
+
+  /** Constructor. */
+  public SimpleCharStream(java.io.InputStream dstream, int startline,
+  int startcolumn, int buffersize)
+  {
+     this(new java.io.InputStreamReader(dstream), startline, startcolumn, buffersize);
+  }
+
+  /** Constructor. */
+  public SimpleCharStream(java.io.InputStream dstream, String encoding, int startline,
+                          int startcolumn) throws java.io.UnsupportedEncodingException
+  {
+     this(dstream, encoding, startline, startcolumn, 4096);
+  }
+
+  /** Constructor. */
+  public SimpleCharStream(java.io.InputStream dstream, int startline,
+                          int startcolumn)
+  {
+     this(dstream, startline, startcolumn, 4096);
+  }
+
+  /** Constructor. */
+  public SimpleCharStream(java.io.InputStream dstream, String encoding) throws java.io.UnsupportedEncodingException
+  {
+     this(dstream, encoding, 1, 1, 4096);
+  }
+
+  /** Constructor. */
+  public SimpleCharStream(java.io.InputStream dstream)
+  {
+     this(dstream, 1, 1, 4096);
+  }
+
+  /** Reinitialise. */
+  public void ReInit(java.io.InputStream dstream, String encoding, int startline,
+                          int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException
+  {
+     ReInit(encoding == null ? new java.io.InputStreamReader(dstream) : new java.io.InputStreamReader(dstream, encoding), startline, startcolumn, buffersize);
+  }
+
+  /** Reinitialise. */
+  public void ReInit(java.io.InputStream dstream, int startline,
+                          int startcolumn, int buffersize)
+  {
+     ReInit(new java.io.InputStreamReader(dstream), startline, startcolumn, buffersize);
+  }
+
+  /** Reinitialise. */
+  public void ReInit(java.io.InputStream dstream, String encoding) throws java.io.UnsupportedEncodingException
+  {
+     ReInit(dstream, encoding, 1, 1, 4096);
+  }
+
+  /** Reinitialise. */
+  public void ReInit(java.io.InputStream dstream)
+  {
+     ReInit(dstream, 1, 1, 4096);
+  }
+  /** Reinitialise. */
+  public void ReInit(java.io.InputStream dstream, String encoding, int startline,
+                     int startcolumn) throws java.io.UnsupportedEncodingException
+  {
+     ReInit(dstream, encoding, startline, startcolumn, 4096);
+  }
+  /** Reinitialise. */
+  public void ReInit(java.io.InputStream dstream, int startline,
+                     int startcolumn)
+  {
+     ReInit(dstream, startline, startcolumn, 4096);
+  }
+  /** Get token literal value. */
+  public String GetImage()
+  {
+     if (bufpos >= tokenBegin)
+        return new String(buffer, tokenBegin, bufpos - tokenBegin + 1);
+     else
+        return new String(buffer, tokenBegin, bufsize - tokenBegin) +
+                              new String(buffer, 0, bufpos + 1);
+  }
+
+  /** Get the suffix. */
+  public char[] GetSuffix(int len)
+  {
+     char[] ret = new char[len];
+
+     if ((bufpos + 1) >= len)
+        System.arraycopy(buffer, bufpos - len + 1, ret, 0, len);
+     else
+     {
+        System.arraycopy(buffer, bufsize - (len - bufpos - 1), ret, 0,
+                                                          len - bufpos - 1);
+        System.arraycopy(buffer, 0, ret, len - bufpos - 1, bufpos + 1);
+     }
+
+     return ret;
+  }
+
+  /** Reset buffer when finished. */
+  public void Done()
+  {
+     buffer = null;
+     bufline = null;
+     bufcolumn = null;
+  }
+
+  /**
+   * Method to adjust line and column numbers for the start of a token.
+   */
+  public void adjustBeginLineColumn(int newLine, int newCol)
+  {
+     int start = tokenBegin;
+     int len;
+
+     if (bufpos >= tokenBegin)
+     {
+        len = bufpos - tokenBegin + inBuf + 1;
+     }
+     else
+     {
+        len = bufsize - tokenBegin + bufpos + 1 + inBuf;
+     }
+
+     int i = 0, j = 0, k = 0;
+     int nextColDiff = 0, columnDiff = 0;
+
+     while (i < len &&
+            bufline[j = start % bufsize] == bufline[k = ++start % bufsize])
+     {
+        bufline[j] = newLine;
+        nextColDiff = columnDiff + bufcolumn[k] - bufcolumn[j];
+        bufcolumn[j] = newCol + columnDiff;
+        columnDiff = nextColDiff;
+        i++;
+     } 
+
+     if (i < len)
+     {
+        bufline[j] = newLine++;
+        bufcolumn[j] = newCol + columnDiff;
+
+        while (i++ < len)
+        {
+           if (bufline[j = start % bufsize] != bufline[++start % bufsize])
+              bufline[j] = newLine++;
+           else
+              bufline[j] = newLine;
+        }
+     }
+
+     line = bufline[j];
+     column = bufcolumn[j];
+  }
+
+}
+/* JavaCC - OriginalChecksum=8b14ac1406dc9cadaaaaa74f6bb5ffeb (do not edit this line) */

--- /dev/null
+++ b/Token.java
@@ -0,0 +1,124 @@
+/* Generated By:JavaCC: Do not edit this line. Token.java Version 4.1 */
+/* JavaCCOptions:TOKEN_EXTENDS=,KEEP_LINE_COL=null */
+package c0front;
+
+/**
+ * Describes the input token stream.
+ */
+
+public class Token {
+
+  /**
+   * An integer that describes the kind of this token.  This numbering
+   * system is determined by JavaCCParser, and a table of these numbers is
+   * stored in the file ...Constants.java.
+   */
+  public int kind;
+
+  /** The line number of the first character of this Token. */
+  public int beginLine;
+  /** The column number of the first character of this Token. */
+  public int beginColumn;
+  /** The line number of the last character of this Token. */
+  public int endLine;
+  /** The column number of the last character of this Token. */
+  public int endColumn;
+
+  /**
+   * The string image of the token.
+   */
+  public String image;
+
+  /**
+   * A reference to the next regular (non-special) token from the input
+   * stream.  If this is the last token from the input stream, or if the
+   * token manager has not read tokens beyond this one, this field is
+   * set to null.  This is true only if this token is also a regular
+   * token.  Otherwise, see below for a description of the contents of
+   * this field.
+   */
+  public Token next;
+
+  /**
+   * This field is used to access special tokens that occur prior to this
+   * token, but after the immediately preceding regular (non-special) token.
+   * If there are no such special tokens, this field is set to null.
+   * When there are more than one such special token, this field refers
+   * to the last of these special tokens, which in turn refers to the next
+   * previous special token through its specialToken field, and so on
+   * until the first special token (whose specialToken field is null).
+   * The next fields of special tokens refer to other special tokens that
+   * immediately follow it (without an intervening regular token).  If there
+   * is no such token, this field is null.
+   */
+  public Token specialToken;
+
+  /**
+   * An optional attribute value of the Token.
+   * Tokens which are not used as syntactic sugar will often contain
+   * meaningful values that will be used later on by the compiler or
+   * interpreter. This attribute value is often different from the image.
+   * Any subclass of Token that actually wants to return a non-null value can
+   * override this method as appropriate.
+   */
+  public Object getValue() {
+    return null;
+  }
+
+  /**
+   * No-argument contructor
+   */
+  public Token() {}
+
+  /**
+   * Constructs a new token for the specified Image.
+   */
+  public Token(int kind)
+  {
+     this(kind, null);
+  }
+
+  /**
+   * Constructs a new token for the specified Image and Kind.
+   */
+  public Token(int kind, String image)
+  {
+     this.kind = kind;
+     this.image = image;
+  }
+
+  /**
+   * Returns the image.
+   */
+  public String toString()
+  {
+     return image;
+  }
+
+  /**
+   * Returns a new Token object, by default. However, if you want, you
+   * can create and return subclass objects based on the value of ofKind.
+   * Simply add the cases to the switch for all those special cases.
+   * For example, if you have a subclass of Token called IDToken that
+   * you want to create if ofKind is ID, simply add something like :
+   *
+   *    case MyParserConstants.ID : return new IDToken(ofKind, image);
+   *
+   * to the following switch statement. Then you can cast matchedToken
+   * variable to the appropriate type and use sit in your lexical actions.
+   */
+  public static Token newToken(int ofKind, String image)
+  {
+     switch(ofKind)
+     {
+       default : return new Token(ofKind, image);
+     }
+  }
+
+  public static Token newToken(int ofKind)
+  {
+     return newToken(ofKind, null);
+  }
+
+}
+/* JavaCC - OriginalChecksum=d9bd67d65acf7ea1169091c92534b203 (do not edit this line) */

--- /dev/null
+++ b/TokenMgrError.java
@@ -0,0 +1,140 @@
+/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 4.1 */
+/* JavaCCOptions: */
+package c0front;
+
+/** Token Manager Error. */
+public class TokenMgrError extends Error
+{
+
+   /*
+    * Ordinals for various reasons why an Error of this type can be thrown.
+    */
+
+   /**
+    * Lexical error occurred.
+    */
+   static final int LEXICAL_ERROR = 0;
+
+   /**
+    * An attempt was made to create a second instance of a static token manager.
+    */
+   static final int STATIC_LEXER_ERROR = 1;
+
+   /**
+    * Tried to change to an invalid lexical state.
+    */
+   static final int INVALID_LEXICAL_STATE = 2;
+
+   /**
+    * Detected (and bailed out of) an infinite loop in the token manager.
+    */
+   static final int LOOP_DETECTED = 3;
+
+   /**
+    * Indicates the reason why the exception is thrown. It will have
+    * one of the above 4 values.
+    */
+   int errorCode;
+
+   /**
+    * Replaces unprintable characters by their escaped (or unicode escaped)
+    * equivalents in the given string
+    */
+   protected static final String addEscapes(String str) {
+      StringBuffer retval = new StringBuffer();
+      char ch;
+      for (int i = 0; i < str.length(); i++) {
+        switch (str.charAt(i))
+        {
+           case 0 :
+              continue;
+           case '\b':
+              retval.append("\\b");
+              continue;
+           case '\t':
+              retval.append("\\t");
+              continue;
+           case '\n':
+              retval.append("\\n");
+              continue;
+           case '\f':
+              retval.append("\\f");
+              continue;
+           case '\r':
+              retval.append("\\r");
+              continue;
+           case '\"':
+              retval.append("\\\"");
+              continue;
+           case '\'':
+              retval.append("\\\'");
+              continue;
+           case '\\':
+              retval.append("\\\\");
+              continue;
+           default:
+              if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
+                 String s = "0000" + Integer.toString(ch, 16);
+                 retval.append("\\u" + s.substring(s.length() - 4, s.length()));
+              } else {
+                 retval.append(ch);
+              }
+              continue;
+        }
+      }
+      return retval.toString();
+   }
+
+   /**
+    * Returns a detailed message for the Error when it is thrown by the
+    * token manager to indicate a lexical error.
+    * Parameters : 
+    *    EOFSeen     : indicates if EOF caused the lexical error
+    *    curLexState : lexical state in which this error occurred
+    *    errorLine   : line number when the error occurred
+    *    errorColumn : column number when the error occurred
+    *    errorAfter  : prefix that was seen before this error occurred
+    *    curchar     : the offending character
+    * Note: You can customize the lexical error message by modifying this method.
+    */
+   protected static String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) {
+      return("Lexical error at line " +
+           errorLine + ", column " +
+           errorColumn + ".  Encountered: " +
+           (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") +
+           "after : \"" + addEscapes(errorAfter) + "\"");
+   }
+
+   /**
+    * You can also modify the body of this method to customize your error messages.
+    * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not
+    * of end-users concern, so you can return something like : 
+    *
+    *     "Internal Error : Please file a bug report .... "
+    *
+    * from this method for such cases in the release version of your parser.
+    */
+   public String getMessage() {
+      return super.getMessage();
+   }
+
+   /*
+    * Constructors of various flavors follow.
+    */
+
+   /** No arg constructor. */
+   public TokenMgrError() {
+   }
+
+   /** Constructor with message and reason. */
+   public TokenMgrError(String message, int reason) {
+      super(message);
+      errorCode = reason;
+   }
+
+   /** Full Constructor. */
+   public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) {
+      this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
+   }
+}
+/* JavaCC - OriginalChecksum=d8d7aa0d88202443ff2cfb68eb95cee4 (do not edit this line) */

--- a/lex.jj
+++ b/lex.jj
@@ -1,5 +1,6 @@
 /*Apache License, Version 2.0
 
+Copyright 2002-2009 coins開発グループ 
 Copyright 2023 dhrname
 
 Apache License Version 2.0（「本ライセンス」）に基づいてライセンスされます。あなたがこのファイルを使用するためには、本ライセンスに従わなければなりません。本ライセンスのコピーは下記の場所から入手できます。
@@ -73,7 +74,11 @@ SKIP : {
 }
 
 TOKEN : {
-	<INT: "int"> 
+	<INTEGER8: "i08">
+|    <INTEGER16: "i16">
+|   <INTEGER32: "i32">
+|   <INTEGER64: "i64">
+|   <INT: "int">
 |	<VOID: "void"> 
 |	<IF: "if"> 
 |	<ELSE: "else">