org.nuiton.jaxx.compiler.css.parser.CSS.jj Maven / Gradle / Ivy

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/*@bgen(jjtree) Generated By:JJTree: Do not edit this line. .\CSS.jj */
/*@egen*//*
 * Copyright 2006 Ethan Nicholas. All rights reserved.
 * Use is subject to license terms.
 */
 
// I would love to have used an existing CSS parser, but all of the ones I could
// find are licensed under the LGPL.  As JAXX is BSD licensed and I'm not a big
// fan of the LGPL, unfortunately that won't work.
options {
  STATIC = false;
  JDK_VERSION = "1.4";                           
}

PARSER_BEGIN(CSSParser)
package jaxx.css;

public class CSSParser/*@bgen(jjtree)*/implements CSSParserTreeConstants/*@egen*/ {/*@bgen(jjtree)*/
  protected JJTCSSParserState jjtree = new JJTCSSParserState();

/*@egen*/
    public SimpleNode popNode() {
        if ( jjtree.nodeArity() > 0)  // number of child nodes 
            return (SimpleNode)jjtree.popNode();
        else
            return null;
    }

    void jjtreeOpenNodeScope(Node n) {
        ((SimpleNode) n).firstToken = getToken(1);
    }

    void jjtreeCloseNodeScope(Node n) {
        ((SimpleNode) n).lastToken = getToken(0);
    }

  public static void main(String args[]) {
    System.out.println("Reading from standard input...");
    CSSParser css = new CSSParser(System.in);
    try {
      SimpleNode n = css.Stylesheet();
      n.dump("");
      System.out.println("Thank you.");
    } catch (Exception e) {
      System.out.println("Oops.");
      System.out.println(e.getMessage());
      e.printStackTrace();
    }
  }
}

PARSER_END(CSSParser)


 SKIP :
{
  " "
| "\t"
| "\n"
| "\r"
| <"//" (~["\n","\r"])* ("\n"|"\r"|"\r\n")>
| <"/*" (~["*"])* "*" (~["/"] (~["*"])* "*")* "/">
}

<*> TOKEN : /* LITERALS */
{
   ("." )?>
|
  <#INTEGER_LITERAL: (["0"-"9"])+>
}

 TOKEN : /* IDENTIFIER */
{
   (|)*>
|
  <#LETTER: ["_", "-", "a"-"z", "A"-"Z"]>
|
  <#DIGIT: ["0"-"9"]>
}

 TOKEN : /* PSEUDOCLASS_IDENTIFIER */
{
  > : DEFAULT
}

 TOKEN: /* COLON */
{
   : IN_PSEUDOCLASS
}

 TOKEN: /* COLON_IN_RULE */
{
   
}

<*> TOKEN: /* SEMICOLON */
{
  
}

TOKEN : /* LEFT BRACE */
{
   : IN_RULE
}

 TOKEN : /* RIGHT BRACE */
{
   : DEFAULT
}

 TOKEN : /* JAVA_CODE_RULE START */
{
  > : JAVA_CODE_RULE
}

 TOKEN : /* JAVA_CODE_RULE */
{
  
}

 TOKEN : /* JAVA_CODE_RULE END */
{
  > : IN_RULE
}

  
 TOKEN : /* PROGRAMMATIC_PSEUDOCLASS */
{
   : DEFAULT
}
  
 TOKEN : /* STRINGS */
{
  
}

 TOKEN : /* COLORS */
{
     (  )?>
|
  <#HEXDIGIT: ["0"-"9", "a"-"f", "A"-"F"]>
}


 TOKEN : /* EMS */
{
   "em">
}


 TOKEN : /* EXS */
{
   "ex">
}


 TOKEN : /* LENGTH */
{
   ("pt" | "mm" | "cm" | "pc" | "in")>
}


SimpleNode Stylesheet() : {/*@bgen(jjtree) Stylesheet */
  SimpleNode jjtn000 = new SimpleNode(JJTSTYLESHEET);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) Stylesheet */
  try {
/*@egen*/
  (Rule())*/*@bgen(jjtree)*/
  {
    jjtree.closeNodeScope(jjtn000, true);
    jjtc000 = false;
    jjtreeCloseNodeScope(jjtn000);
  }
/*@egen*/
  { return jjtn000; }/*@bgen(jjtree)*/
  } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      throw (RuntimeException)jjte000;
    }
    if (jjte000 instanceof ParseException) {
      throw (ParseException)jjte000;
    }
    throw (Error)jjte000;
  } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
      jjtreeCloseNodeScope(jjtn000);
    }
  }
/*@egen*/
}


void Rule() : {/*@bgen(jjtree) Rule */
  SimpleNode jjtn000 = new SimpleNode(JJTRULE);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) Rule */
  try {
/*@egen*/
  Selectors()
   Declaration() (";" (Declaration())?)* /*@bgen(jjtree)*/
  } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      throw (RuntimeException)jjte000;
    }
    if (jjte000 instanceof ParseException) {
      throw (ParseException)jjte000;
    }
    throw (Error)jjte000;
  } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
      jjtreeCloseNodeScope(jjtn000);
    }
  }
/*@egen*/
}


void Selectors() : {/*@bgen(jjtree) Selectors */
  SimpleNode jjtn000 = new SimpleNode(JJTSELECTORS);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) Selectors */
  try {
/*@egen*/
  Selector() ("," Selector())*/*@bgen(jjtree)*/
  } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      throw (RuntimeException)jjte000;
    }
    if (jjte000 instanceof ParseException) {
      throw (ParseException)jjte000;
    }
    throw (Error)jjte000;
  } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
      jjtreeCloseNodeScope(jjtn000);
    }
  }
/*@egen*/
}


void Selector() : {/*@bgen(jjtree) Selector */
  SimpleNode jjtn000 = new SimpleNode(JJTSELECTOR);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) Selector */
  try {
/*@egen*/
  JavaClass() (Id())? (Class())? (PseudoClass())?
| 
  Id() (Class())? (PseudoClass())?
|
  Class() (PseudoClass())?
|
  PseudoClass()/*@bgen(jjtree)*/
  } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      throw (RuntimeException)jjte000;
    }
    if (jjte000 instanceof ParseException) {
      throw (ParseException)jjte000;
    }
    throw (Error)jjte000;
  } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
      jjtreeCloseNodeScope(jjtn000);
    }
  }
/*@egen*/
}


void JavaClass() : {/*@bgen(jjtree) JavaClass */
  SimpleNode jjtn000 = new SimpleNode(JJTJAVACLASS);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) JavaClass */
  try {
/*@egen*/
   | "*"/*@bgen(jjtree)*/
  } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
      jjtreeCloseNodeScope(jjtn000);
    }
  }
/*@egen*/
}


void Id() : {/*@bgen(jjtree) Id */
  SimpleNode jjtn000 = new SimpleNode(JJTID);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) Id */
  try {
/*@egen*/
  "#" /*@bgen(jjtree)*/
  } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
      jjtreeCloseNodeScope(jjtn000);
    }
  }
/*@egen*/
}


void Class() : {/*@bgen(jjtree) Class */
  SimpleNode jjtn000 = new SimpleNode(JJTCLASS);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) Class */
  try {
/*@egen*/
  "." /*@bgen(jjtree)*/
  } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
      jjtreeCloseNodeScope(jjtn000);
    }
  }
/*@egen*/
}


void PseudoClass() : {/*@bgen(jjtree) PseudoClass */
  SimpleNode jjtn000 = new SimpleNode(JJTPSEUDOCLASS);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) PseudoClass */
  try {
/*@egen*/
   ( | ) (AnimationProperties())?/*@bgen(jjtree)*/
  } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      throw (RuntimeException)jjte000;
    }
    if (jjte000 instanceof ParseException) {
      throw (ParseException)jjte000;
    }
    throw (Error)jjte000;
  } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
      jjtreeCloseNodeScope(jjtn000);
    }
  }
/*@egen*/
}


void AnimationProperties() : {/*@bgen(jjtree) AnimationProperties */
  SimpleNode jjtn000 = new SimpleNode(JJTANIMATIONPROPERTIES);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) AnimationProperties */
  try {
/*@egen*/
  "[" AnimationProperty() ("," AnimationProperty())* "]"/*@bgen(jjtree)*/
  } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      throw (RuntimeException)jjte000;
    }
    if (jjte000 instanceof ParseException) {
      throw (ParseException)jjte000;
    }
    throw (Error)jjte000;
  } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
      jjtreeCloseNodeScope(jjtn000);
    }
  }
/*@egen*/
}


void AnimationProperty() : {/*@bgen(jjtree) AnimationProperty */
  SimpleNode jjtn000 = new SimpleNode(JJTANIMATIONPROPERTY);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) AnimationProperty */
  try {
/*@egen*/
   "="  ()?/*@bgen(jjtree)*/
  } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
      jjtreeCloseNodeScope(jjtn000);
    }
  }
/*@egen*/
}


void Declaration() : {/*@bgen(jjtree) Declaration */
  SimpleNode jjtn000 = new SimpleNode(JJTDECLARATION);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) Declaration */
  try {
/*@egen*/
  Property()  Expression()/*@bgen(jjtree)*/
  } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      throw (RuntimeException)jjte000;
    }
    if (jjte000 instanceof ParseException) {
      throw (ParseException)jjte000;
    }
    throw (Error)jjte000;
  } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
      jjtreeCloseNodeScope(jjtn000);
    }
  }
/*@egen*/
}


void Property() : {/*@bgen(jjtree) Property */
  SimpleNode jjtn000 = new SimpleNode(JJTPROPERTY);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) Property */
  try {
/*@egen*/
  /*@bgen(jjtree)*/
  } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
      jjtreeCloseNodeScope(jjtn000);
    }
  }
/*@egen*/
}


void Expression() : {/*@bgen(jjtree) Expression */
  SimpleNode jjtn000 = new SimpleNode(JJTEXPRESSION);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) Expression */
   try {
/*@egen*/
   ( |  |  |  |  |  |  |
      JavaCode())/*@bgen(jjtree)*/
   } catch (Throwable jjte000) {
     if (jjtc000) {
       jjtree.clearNodeScope(jjtn000);
       jjtc000 = false;
     } else {
       jjtree.popNode();
     }
     if (jjte000 instanceof RuntimeException) {
       throw (RuntimeException)jjte000;
     }
     if (jjte000 instanceof ParseException) {
       throw (ParseException)jjte000;
     }
     throw (Error)jjte000;
   } finally {
     if (jjtc000) {
       jjtree.closeNodeScope(jjtn000, true);
       jjtreeCloseNodeScope(jjtn000);
     }
   }
/*@egen*/
}


void JavaCode() : {/*@bgen(jjtree) JavaCode */
  SimpleNode jjtn000 = new SimpleNode(JJTJAVACODE);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) JavaCode */
        try {
/*@egen*/
	  /*@bgen(jjtree)*/
        } finally {
          if (jjtc000) {
            jjtree.closeNodeScope(jjtn000, true);
            jjtreeCloseNodeScope(jjtn000);
          }
        }
/*@egen*/
}


void Identifier() : {/*@bgen(jjtree) Identifier */
  SimpleNode jjtn000 = new SimpleNode(JJTIDENTIFIER);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
  jjtreeOpenNodeScope(jjtn000);
/*@egen*/}
{/*@bgen(jjtree) Identifier */
  try {
/*@egen*/
  /*@bgen(jjtree)*/
  } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
      jjtreeCloseNodeScope(jjtn000);
    }
  }
/*@egen*/
}