|
Tomcat example source code file (ELParser.java)
The Tomcat ELParser.java source code/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* Generated By:JJTree&JavaCC: Do not edit this line. ELParser.java */ package org.apache.el.parser; import java.io.StringReader; import javax.el.ELException; public class ELParser/*@bgen(jjtree)*/implements ELParserTreeConstants, ELParserConstants {/*@bgen(jjtree)*/ protected JJTELParserState jjtree = new JJTELParserState();public static Node parse(String ref) throws ELException { try { return (new ELParser(new StringReader(ref))).CompositeExpression(); } catch (ParseException pe) { throw new ELException(pe.getMessage()); } } public static void main(String[] argv) throws Exception { String[] str = { "${foo()}", "${fn.fn:foo() ? a : b}", "${fn:foo() ? (fn_af.f:fd() ? a : b) : b}", "${a.b.c ? a : b}" }; for (int i = 0; i < str.length; i++) { SimpleNode sn = (SimpleNode) ELParser.parse(str[i]); System.out.println("====\n" + str[i]); sn.dump("\t"); } } /* * CompositeExpression * Allow most flexible parsing, restrict by examining * type of returned node */ final public AstCompositeExpression CompositeExpression() throws ParseException { /*@bgen(jjtree) CompositeExpression */ AstCompositeExpression jjtn000 = new AstCompositeExpression(JJTCOMPOSITEEXPRESSION); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000); try { label_1: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case LITERAL_EXPRESSION: case START_DYNAMIC_EXPRESSION: case START_DEFERRED_EXPRESSION: ; break; default: jj_la1[0] = jj_gen; break label_1; } switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case START_DEFERRED_EXPRESSION: DeferredExpression(); break; case START_DYNAMIC_EXPRESSION: DynamicExpression(); break; case LITERAL_EXPRESSION: LiteralExpression(); break; default: jj_la1[1] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } jj_consume_token(0); jjtree.closeNodeScope(jjtn000, true); jjtc000 = false; {if (true) return jjtn000;} } catch (Throwable jjte000) { if (jjtc000) { jjtree.clearNodeScope(jjtn000); jjtc000 = false; } else { jjtree.popNode(); } if (jjte000 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte000;} } if (jjte000 instanceof ParseException) { {if (true) throw (ParseException)jjte000;} } {if (true) throw (Error)jjte000;} } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } throw new Error("Missing return statement in function"); } /* * LiteralExpression * Non-EL Expression blocks */ final public void LiteralExpression() throws ParseException { /*@bgen(jjtree) LiteralExpression */ AstLiteralExpression jjtn000 = new AstLiteralExpression(JJTLITERALEXPRESSION); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000);Token t = null; try { t = jj_consume_token(LITERAL_EXPRESSION); jjtree.closeNodeScope(jjtn000, true); jjtc000 = false; jjtn000.setImage(t.image); } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } /* * DeferredExpression * #{..} Expressions */ final public void DeferredExpression() throws ParseException { /*@bgen(jjtree) DeferredExpression */ AstDeferredExpression jjtn000 = new AstDeferredExpression(JJTDEFERREDEXPRESSION); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000); try { jj_consume_token(START_DEFERRED_EXPRESSION); Expression(); jj_consume_token(END_EXPRESSION); } catch (Throwable jjte000) { if (jjtc000) { jjtree.clearNodeScope(jjtn000); jjtc000 = false; } else { jjtree.popNode(); } if (jjte000 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte000;} } if (jjte000 instanceof ParseException) { {if (true) throw (ParseException)jjte000;} } {if (true) throw (Error)jjte000;} } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } /* * DynamicExpression * ${..} Expressions */ final public void DynamicExpression() throws ParseException { /*@bgen(jjtree) DynamicExpression */ AstDynamicExpression jjtn000 = new AstDynamicExpression(JJTDYNAMICEXPRESSION); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000); try { jj_consume_token(START_DYNAMIC_EXPRESSION); Expression(); jj_consume_token(END_EXPRESSION); } catch (Throwable jjte000) { if (jjtc000) { jjtree.clearNodeScope(jjtn000); jjtc000 = false; } else { jjtree.popNode(); } if (jjte000 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte000;} } if (jjte000 instanceof ParseException) { {if (true) throw (ParseException)jjte000;} } {if (true) throw (Error)jjte000;} } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } /* * Expression * EL Expression Language Root, goes to Choice */ final public void Expression() throws ParseException { Choice(); } /* * Choice * For Choice markup a ? b : c, then Or */ final public void Choice() throws ParseException { Or(); label_2: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case QUESTIONMARK: ; break; default: jj_la1[2] = jj_gen; break label_2; } jj_consume_token(QUESTIONMARK); Or(); jj_consume_token(COLON); AstChoice jjtn001 = new AstChoice(JJTCHOICE); boolean jjtc001 = true; jjtree.openNodeScope(jjtn001); try { Choice(); } catch (Throwable jjte001) { if (jjtc001) { jjtree.clearNodeScope(jjtn001); jjtc001 = false; } else { jjtree.popNode(); } if (jjte001 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte001;} } if (jjte001 instanceof ParseException) { {if (true) throw (ParseException)jjte001;} } {if (true) throw (Error)jjte001;} } finally { if (jjtc001) { jjtree.closeNodeScope(jjtn001, 3); } } } } /* * Or * For 'or' '||', then And */ final public void Or() throws ParseException { And(); label_3: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case OR0: case OR1: ; break; default: jj_la1[3] = jj_gen; break label_3; } switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case OR0: jj_consume_token(OR0); break; case OR1: jj_consume_token(OR1); break; default: jj_la1[4] = jj_gen; jj_consume_token(-1); throw new ParseException(); } AstOr jjtn001 = new AstOr(JJTOR); boolean jjtc001 = true; jjtree.openNodeScope(jjtn001); try { And(); } catch (Throwable jjte001) { if (jjtc001) { jjtree.clearNodeScope(jjtn001); jjtc001 = false; } else { jjtree.popNode(); } if (jjte001 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte001;} } if (jjte001 instanceof ParseException) { {if (true) throw (ParseException)jjte001;} } {if (true) throw (Error)jjte001;} } finally { if (jjtc001) { jjtree.closeNodeScope(jjtn001, 2); } } } } /* * And * For 'and' '&&', then Equality */ final public void And() throws ParseException { Equality(); label_4: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case AND0: case AND1: ; break; default: jj_la1[5] = jj_gen; break label_4; } switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case AND0: jj_consume_token(AND0); break; case AND1: jj_consume_token(AND1); break; default: jj_la1[6] = jj_gen; jj_consume_token(-1); throw new ParseException(); } AstAnd jjtn001 = new AstAnd(JJTAND); boolean jjtc001 = true; jjtree.openNodeScope(jjtn001); try { Equality(); } catch (Throwable jjte001) { if (jjtc001) { jjtree.clearNodeScope(jjtn001); jjtc001 = false; } else { jjtree.popNode(); } if (jjte001 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte001;} } if (jjte001 instanceof ParseException) { {if (true) throw (ParseException)jjte001;} } {if (true) throw (Error)jjte001;} } finally { if (jjtc001) { jjtree.closeNodeScope(jjtn001, 2); } } } } /* * Equality * For '==' 'eq' '!=' 'ne', then Compare */ final public void Equality() throws ParseException { Compare(); label_5: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case EQ0: case EQ1: case NE0: case NE1: ; break; default: jj_la1[7] = jj_gen; break label_5; } switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case EQ0: case EQ1: switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case EQ0: jj_consume_token(EQ0); break; case EQ1: jj_consume_token(EQ1); break; default: jj_la1[8] = jj_gen; jj_consume_token(-1); throw new ParseException(); } AstEqual jjtn001 = new AstEqual(JJTEQUAL); boolean jjtc001 = true; jjtree.openNodeScope(jjtn001); try { Compare(); } catch (Throwable jjte001) { if (jjtc001) { jjtree.clearNodeScope(jjtn001); jjtc001 = false; } else { jjtree.popNode(); } if (jjte001 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte001;} } if (jjte001 instanceof ParseException) { {if (true) throw (ParseException)jjte001;} } {if (true) throw (Error)jjte001;} } finally { if (jjtc001) { jjtree.closeNodeScope(jjtn001, 2); } } break; case NE0: case NE1: switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case NE0: jj_consume_token(NE0); break; case NE1: jj_consume_token(NE1); break; default: jj_la1[9] = jj_gen; jj_consume_token(-1); throw new ParseException(); } AstNotEqual jjtn002 = new AstNotEqual(JJTNOTEQUAL); boolean jjtc002 = true; jjtree.openNodeScope(jjtn002); try { Compare(); } catch (Throwable jjte002) { if (jjtc002) { jjtree.clearNodeScope(jjtn002); jjtc002 = false; } else { jjtree.popNode(); } if (jjte002 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte002;} } if (jjte002 instanceof ParseException) { {if (true) throw (ParseException)jjte002;} } {if (true) throw (Error)jjte002;} } finally { if (jjtc002) { jjtree.closeNodeScope(jjtn002, 2); } } break; default: jj_la1[10] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } } /* * Compare * For a bunch of them, then Math */ final public void Compare() throws ParseException { Math(); label_6: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case GT0: case GT1: case LT0: case LT1: case GE0: case GE1: case LE0: case LE1: ; break; default: jj_la1[11] = jj_gen; break label_6; } switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case LT0: case LT1: switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case LT0: jj_consume_token(LT0); break; case LT1: jj_consume_token(LT1); break; default: jj_la1[12] = jj_gen; jj_consume_token(-1); throw new ParseException(); } AstLessThan jjtn001 = new AstLessThan(JJTLESSTHAN); boolean jjtc001 = true; jjtree.openNodeScope(jjtn001); try { Math(); } catch (Throwable jjte001) { if (jjtc001) { jjtree.clearNodeScope(jjtn001); jjtc001 = false; } else { jjtree.popNode(); } if (jjte001 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte001;} } if (jjte001 instanceof ParseException) { {if (true) throw (ParseException)jjte001;} } {if (true) throw (Error)jjte001;} } finally { if (jjtc001) { jjtree.closeNodeScope(jjtn001, 2); } } break; case GT0: case GT1: switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case GT0: jj_consume_token(GT0); break; case GT1: jj_consume_token(GT1); break; default: jj_la1[13] = jj_gen; jj_consume_token(-1); throw new ParseException(); } AstGreaterThan jjtn002 = new AstGreaterThan(JJTGREATERTHAN); boolean jjtc002 = true; jjtree.openNodeScope(jjtn002); try { Math(); } catch (Throwable jjte002) { if (jjtc002) { jjtree.clearNodeScope(jjtn002); jjtc002 = false; } else { jjtree.popNode(); } if (jjte002 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte002;} } if (jjte002 instanceof ParseException) { {if (true) throw (ParseException)jjte002;} } {if (true) throw (Error)jjte002;} } finally { if (jjtc002) { jjtree.closeNodeScope(jjtn002, 2); } } break; case LE0: case LE1: switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case LE0: jj_consume_token(LE0); break; case LE1: jj_consume_token(LE1); break; default: jj_la1[14] = jj_gen; jj_consume_token(-1); throw new ParseException(); } AstLessThanEqual jjtn003 = new AstLessThanEqual(JJTLESSTHANEQUAL); boolean jjtc003 = true; jjtree.openNodeScope(jjtn003); try { Math(); } catch (Throwable jjte003) { if (jjtc003) { jjtree.clearNodeScope(jjtn003); jjtc003 = false; } else { jjtree.popNode(); } if (jjte003 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte003;} } if (jjte003 instanceof ParseException) { {if (true) throw (ParseException)jjte003;} } {if (true) throw (Error)jjte003;} } finally { if (jjtc003) { jjtree.closeNodeScope(jjtn003, 2); } } break; case GE0: case GE1: switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case GE0: jj_consume_token(GE0); break; case GE1: jj_consume_token(GE1); break; default: jj_la1[15] = jj_gen; jj_consume_token(-1); throw new ParseException(); } AstGreaterThanEqual jjtn004 = new AstGreaterThanEqual(JJTGREATERTHANEQUAL); boolean jjtc004 = true; jjtree.openNodeScope(jjtn004); try { Math(); } catch (Throwable jjte004) { if (jjtc004) { jjtree.clearNodeScope(jjtn004); jjtc004 = false; } else { jjtree.popNode(); } if (jjte004 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte004;} } if (jjte004 instanceof ParseException) { {if (true) throw (ParseException)jjte004;} } {if (true) throw (Error)jjte004;} } finally { if (jjtc004) { jjtree.closeNodeScope(jjtn004, 2); } } break; default: jj_la1[16] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } } /* * Math * For '+' '-', then Multiplication */ final public void Math() throws ParseException { Multiplication(); label_7: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case PLUS: case MINUS: ; break; default: jj_la1[17] = jj_gen; break label_7; } switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case PLUS: jj_consume_token(PLUS); AstPlus jjtn001 = new AstPlus(JJTPLUS); boolean jjtc001 = true; jjtree.openNodeScope(jjtn001); try { Multiplication(); } catch (Throwable jjte001) { if (jjtc001) { jjtree.clearNodeScope(jjtn001); jjtc001 = false; } else { jjtree.popNode(); } if (jjte001 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte001;} } if (jjte001 instanceof ParseException) { {if (true) throw (ParseException)jjte001;} } {if (true) throw (Error)jjte001;} } finally { if (jjtc001) { jjtree.closeNodeScope(jjtn001, 2); } } break; case MINUS: jj_consume_token(MINUS); AstMinus jjtn002 = new AstMinus(JJTMINUS); boolean jjtc002 = true; jjtree.openNodeScope(jjtn002); try { Multiplication(); } catch (Throwable jjte002) { if (jjtc002) { jjtree.clearNodeScope(jjtn002); jjtc002 = false; } else { jjtree.popNode(); } if (jjte002 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte002;} } if (jjte002 instanceof ParseException) { {if (true) throw (ParseException)jjte002;} } {if (true) throw (Error)jjte002;} } finally { if (jjtc002) { jjtree.closeNodeScope(jjtn002, 2); } } break; default: jj_la1[18] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } } /* * Multiplication * For a bunch of them, then Unary */ final public void Multiplication() throws ParseException { Unary(); label_8: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case MULT: case DIV0: case DIV1: case MOD0: case MOD1: ; break; default: jj_la1[19] = jj_gen; break label_8; } switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case MULT: jj_consume_token(MULT); AstMult jjtn001 = new AstMult(JJTMULT); boolean jjtc001 = true; jjtree.openNodeScope(jjtn001); try { Unary(); } catch (Throwable jjte001) { if (jjtc001) { jjtree.clearNodeScope(jjtn001); jjtc001 = false; } else { jjtree.popNode(); } if (jjte001 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte001;} } if (jjte001 instanceof ParseException) { {if (true) throw (ParseException)jjte001;} } {if (true) throw (Error)jjte001;} } finally { if (jjtc001) { jjtree.closeNodeScope(jjtn001, 2); } } break; case DIV0: case DIV1: switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case DIV0: jj_consume_token(DIV0); break; case DIV1: jj_consume_token(DIV1); break; default: jj_la1[20] = jj_gen; jj_consume_token(-1); throw new ParseException(); } AstDiv jjtn002 = new AstDiv(JJTDIV); boolean jjtc002 = true; jjtree.openNodeScope(jjtn002); try { Unary(); } catch (Throwable jjte002) { if (jjtc002) { jjtree.clearNodeScope(jjtn002); jjtc002 = false; } else { jjtree.popNode(); } if (jjte002 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte002;} } if (jjte002 instanceof ParseException) { {if (true) throw (ParseException)jjte002;} } {if (true) throw (Error)jjte002;} } finally { if (jjtc002) { jjtree.closeNodeScope(jjtn002, 2); } } break; case MOD0: case MOD1: switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case MOD0: jj_consume_token(MOD0); break; case MOD1: jj_consume_token(MOD1); break; default: jj_la1[21] = jj_gen; jj_consume_token(-1); throw new ParseException(); } AstMod jjtn003 = new AstMod(JJTMOD); boolean jjtc003 = true; jjtree.openNodeScope(jjtn003); try { Unary(); } catch (Throwable jjte003) { if (jjtc003) { jjtree.clearNodeScope(jjtn003); jjtc003 = false; } else { jjtree.popNode(); } if (jjte003 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte003;} } if (jjte003 instanceof ParseException) { {if (true) throw (ParseException)jjte003;} } {if (true) throw (Error)jjte003;} } finally { if (jjtc003) { jjtree.closeNodeScope(jjtn003, 2); } } break; default: jj_la1[22] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } } /* * Unary * For '-' '!' 'not' 'empty', then Value */ final public void Unary() throws ParseException { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case MINUS: jj_consume_token(MINUS); AstNegative jjtn001 = new AstNegative(JJTNEGATIVE); boolean jjtc001 = true; jjtree.openNodeScope(jjtn001); try { Unary(); } catch (Throwable jjte001) { if (jjtc001) { jjtree.clearNodeScope(jjtn001); jjtc001 = false; } else { jjtree.popNode(); } if (jjte001 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte001;} } if (jjte001 instanceof ParseException) { {if (true) throw (ParseException)jjte001;} } {if (true) throw (Error)jjte001;} } finally { if (jjtc001) { jjtree.closeNodeScope(jjtn001, true); } } break; case NOT0: case NOT1: switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case NOT0: jj_consume_token(NOT0); break; case NOT1: jj_consume_token(NOT1); break; default: jj_la1[23] = jj_gen; jj_consume_token(-1); throw new ParseException(); } AstNot jjtn002 = new AstNot(JJTNOT); boolean jjtc002 = true; jjtree.openNodeScope(jjtn002); try { Unary(); } catch (Throwable jjte002) { if (jjtc002) { jjtree.clearNodeScope(jjtn002); jjtc002 = false; } else { jjtree.popNode(); } if (jjte002 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte002;} } if (jjte002 instanceof ParseException) { {if (true) throw (ParseException)jjte002;} } {if (true) throw (Error)jjte002;} } finally { if (jjtc002) { jjtree.closeNodeScope(jjtn002, true); } } break; case EMPTY: jj_consume_token(EMPTY); AstEmpty jjtn003 = new AstEmpty(JJTEMPTY); boolean jjtc003 = true; jjtree.openNodeScope(jjtn003); try { Unary(); } catch (Throwable jjte003) { if (jjtc003) { jjtree.clearNodeScope(jjtn003); jjtc003 = false; } else { jjtree.popNode(); } if (jjte003 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte003;} } if (jjte003 instanceof ParseException) { {if (true) throw (ParseException)jjte003;} } {if (true) throw (Error)jjte003;} } finally { if (jjtc003) { jjtree.closeNodeScope(jjtn003, true); } } break; case INTEGER_LITERAL: case FLOATING_POINT_LITERAL: case STRING_LITERAL: case TRUE: case FALSE: case NULL: case LPAREN: case IDENTIFIER: case NAMESPACE: Value(); break; default: jj_la1[24] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } /* * Value * Defines Prefix plus zero or more Suffixes */ final public void Value() throws ParseException { AstValue jjtn001 = new AstValue(JJTVALUE); boolean jjtc001 = true; jjtree.openNodeScope(jjtn001); try { ValuePrefix(); label_9: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case DOT: case LBRACK: ; break; default: jj_la1[25] = jj_gen; break label_9; } ValueSuffix(); } } catch (Throwable jjte001) { if (jjtc001) { jjtree.clearNodeScope(jjtn001); jjtc001 = false; } else { jjtree.popNode(); } if (jjte001 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte001;} } if (jjte001 instanceof ParseException) { {if (true) throw (ParseException)jjte001;} } {if (true) throw (Error)jjte001;} } finally { if (jjtc001) { jjtree.closeNodeScope(jjtn001, jjtree.nodeArity() > 1); } } } /* * ValuePrefix * For Literals, Variables, and Functions */ final public void ValuePrefix() throws ParseException { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case INTEGER_LITERAL: case FLOATING_POINT_LITERAL: case STRING_LITERAL: case TRUE: case FALSE: case NULL: Literal(); break; case LPAREN: case IDENTIFIER: case NAMESPACE: NonLiteral(); break; default: jj_la1[26] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } /* * ValueSuffix * Either dot or bracket notation */ final public void ValueSuffix() throws ParseException { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case DOT: DotSuffix(); break; case LBRACK: BracketSuffix(); break; default: jj_la1[27] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } /* * DotSuffix * Dot Property */ final public void DotSuffix() throws ParseException { /*@bgen(jjtree) DotSuffix */ AstDotSuffix jjtn000 = new AstDotSuffix(JJTDOTSUFFIX); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000);Token t = null; try { jj_consume_token(DOT); t = jj_consume_token(IDENTIFIER); jjtree.closeNodeScope(jjtn000, true); jjtc000 = false; jjtn000.setImage(t.image); } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } /* * BracketSuffix * Sub Expression Suffix */ final public void BracketSuffix() throws ParseException { /*@bgen(jjtree) BracketSuffix */ AstBracketSuffix jjtn000 = new AstBracketSuffix(JJTBRACKETSUFFIX); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000); try { jj_consume_token(LBRACK); Expression(); jj_consume_token(RBRACK); } catch (Throwable jjte000) { if (jjtc000) { jjtree.clearNodeScope(jjtn000); jjtc000 = false; } else { jjtree.popNode(); } if (jjte000 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte000;} } if (jjte000 instanceof ParseException) { {if (true) throw (ParseException)jjte000;} } {if (true) throw (Error)jjte000;} } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } /* * NonLiteral * For Grouped Operations, Identifiers, and Functions */ final public void NonLiteral() throws ParseException { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case LPAREN: jj_consume_token(LPAREN); Expression(); jj_consume_token(RPAREN); break; default: jj_la1[28] = jj_gen; if (jj_2_1(3)) { Function(); } else { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case IDENTIFIER: Identifier(); break; default: jj_la1[29] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } } } /* * Identifier * Java Language Identifier */ final public void Identifier() throws ParseException { /*@bgen(jjtree) Identifier */ AstIdentifier jjtn000 = new AstIdentifier(JJTIDENTIFIER); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000);Token t = null; try { t = jj_consume_token(IDENTIFIER); jjtree.closeNodeScope(jjtn000, true); jjtc000 = false; jjtn000.setImage(t.image); } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } /* * Function * Namespace:Name(a,b,c) */ final public void Function() throws ParseException { /*@bgen(jjtree) Function */ AstFunction jjtn000 = new AstFunction(JJTFUNCTION); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000);Token t0 = null; Token t1 = null; try { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case NAMESPACE: t0 = jj_consume_token(NAMESPACE); break; default: jj_la1[30] = jj_gen; ; } t1 = jj_consume_token(IDENTIFIER); if (t0 != null) { jjtn000.setPrefix(t0.image.substring(0, t0.image.length() - 1)); jjtn000.setLocalName(t1.image); } else { jjtn000.setLocalName(t1.image); } jj_consume_token(LPAREN); switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case INTEGER_LITERAL: case FLOATING_POINT_LITERAL: case STRING_LITERAL: case TRUE: case FALSE: case NULL: case LPAREN: case NOT0: case NOT1: case EMPTY: case MINUS: case IDENTIFIER: case NAMESPACE: Expression(); label_10: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case COMMA: ; break; default: jj_la1[31] = jj_gen; break label_10; } jj_consume_token(COMMA); Expression(); } break; default: jj_la1[32] = jj_gen; ; } jj_consume_token(RPAREN); } catch (Throwable jjte000) { if (jjtc000) { jjtree.clearNodeScope(jjtn000); jjtc000 = false; } else { jjtree.popNode(); } if (jjte000 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte000;} } if (jjte000 instanceof ParseException) { {if (true) throw (ParseException)jjte000;} } {if (true) throw (Error)jjte000;} } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } /* * Literal * Reserved Keywords */ final public void Literal() throws ParseException { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case TRUE: case FALSE: Boolean(); break; case FLOATING_POINT_LITERAL: FloatingPoint(); break; case INTEGER_LITERAL: Integer(); break; case STRING_LITERAL: String(); break; case NULL: Null(); break; default: jj_la1[33] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } /* * Boolean * For 'true' 'false' */ final public void Boolean() throws ParseException { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case TRUE: AstTrue jjtn001 = new AstTrue(JJTTRUE); boolean jjtc001 = true; jjtree.openNodeScope(jjtn001); try { jj_consume_token(TRUE); } finally { if (jjtc001) { jjtree.closeNodeScope(jjtn001, true); } } break; case FALSE: AstFalse jjtn002 = new AstFalse(JJTFALSE); boolean jjtc002 = true; jjtree.openNodeScope(jjtn002); try { jj_consume_token(FALSE); } finally { if (jjtc002) { jjtree.closeNodeScope(jjtn002, true); } } break; default: jj_la1[34] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } /* * FloatinPoint * For Decimal and Floating Point Literals */ final public void FloatingPoint() throws ParseException { /*@bgen(jjtree) FloatingPoint */ AstFloatingPoint jjtn000 = new AstFloatingPoint(JJTFLOATINGPOINT); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000);Token t = null; try { t = jj_consume_token(FLOATING_POINT_LITERAL); jjtree.closeNodeScope(jjtn000, true); jjtc000 = false; jjtn000.setImage(t.image); } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } /* * Integer * For Simple Numeric Literals */ final public void Integer() throws ParseException { /*@bgen(jjtree) Integer */ AstInteger jjtn000 = new AstInteger(JJTINTEGER); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000);Token t = null; try { t = jj_consume_token(INTEGER_LITERAL); jjtree.closeNodeScope(jjtn000, true); jjtc000 = false; jjtn000.setImage(t.image); } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } /* * String * For Quoted Literals */ final public void String() throws ParseException { /*@bgen(jjtree) String */ AstString jjtn000 = new AstString(JJTSTRING); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000);Token t = null; try { t = jj_consume_token(STRING_LITERAL); jjtree.closeNodeScope(jjtn000, true); jjtc000 = false; jjtn000.setImage(t.image); } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } /* * Null * For 'null' */ final public void Null() throws ParseException { /*@bgen(jjtree) Null */ AstNull jjtn000 = new AstNull(JJTNULL); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000); try { jj_consume_token(NULL); } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } final 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); } } final private boolean jj_3R_11() { Token xsp; xsp = jj_scanpos; if (jj_scan_token(54)) jj_scanpos = xsp; if (jj_scan_token(IDENTIFIER)) return true; if (jj_scan_token(LPAREN)) return true; xsp = jj_scanpos; if (jj_3R_12()) jj_scanpos = xsp; if (jj_scan_token(RPAREN)) return true; return false; } final private boolean jj_3R_20() { if (jj_3R_21()) return true; return false; } final private boolean jj_3R_44() { if (jj_scan_token(IDENTIFIER)) return true; return false; } final private boolean jj_3R_19() { if (jj_3R_20()) return true; return false; } final private boolean jj_3R_38() { if (jj_3R_44()) return true; return false; } final private boolean jj_3_1() { if (jj_3R_11()) return true; return false; } final private boolean jj_3R_31() { Token xsp; xsp = jj_scanpos; if (jj_3R_37()) { jj_scanpos = xsp; if (jj_3_1()) { jj_scanpos = xsp; if (jj_3R_38()) return true; } } return false; } final private boolean jj_3R_37() { if (jj_scan_token(LPAREN)) return true; return false; } final private boolean jj_3R_43() { if (jj_scan_token(NULL)) return true; return false; } final private boolean jj_3R_42() { if (jj_scan_token(STRING_LITERAL)) return true; return false; } final private boolean jj_3R_18() { if (jj_3R_19()) return true; return false; } final private boolean jj_3R_41() { if (jj_scan_token(INTEGER_LITERAL)) return true; return false; } final private boolean jj_3R_17() { if (jj_3R_18()) return true; return false; } final private boolean jj_3R_40() { if (jj_scan_token(FLOATING_POINT_LITERAL)) return true; return false; } final private boolean jj_3R_29() { if (jj_3R_31()) return true; return false; } final private boolean jj_3R_46() { if (jj_scan_token(FALSE)) return true; return false; } final private boolean jj_3R_16() { if (jj_3R_17()) return true; return false; } final private boolean jj_3R_27() { Token xsp; xsp = jj_scanpos; if (jj_3R_28()) { jj_scanpos = xsp; if (jj_3R_29()) return true; } return false; } final private boolean jj_3R_28() { if (jj_3R_30()) return true; return false; } final private boolean jj_3R_45() { if (jj_scan_token(TRUE)) return true; return false; } final private boolean jj_3R_39() { Token xsp; xsp = jj_scanpos; if (jj_3R_45()) { jj_scanpos = xsp; if (jj_3R_46()) return true; } return false; } final private boolean jj_3R_15() { if (jj_3R_16()) return true; return false; } final private boolean jj_3R_26() { if (jj_3R_27()) return true; return false; } final private boolean jj_3R_25() { if (jj_3R_26()) return true; return false; } final private boolean jj_3R_36() { if (jj_3R_43()) return true; return false; } final private boolean jj_3R_35() { if (jj_3R_42()) return true; return false; } final private boolean jj_3R_24() { if (jj_scan_token(EMPTY)) return true; return false; } final private boolean jj_3R_34() { if (jj_3R_41()) return true; return false; } final private boolean jj_3R_33() { if (jj_3R_40()) return true; return false; } final private boolean jj_3R_23() { Token xsp; xsp = jj_scanpos; if (jj_scan_token(37)) { jj_scanpos = xsp; if (jj_scan_token(38)) return true; } return false; } final private boolean jj_3R_12() { if (jj_3R_13()) return true; return false; } final private boolean jj_3R_22() { if (jj_scan_token(MINUS)) return true; return false; } final private boolean jj_3R_21() { Token xsp; xsp = jj_scanpos; if (jj_3R_22()) { jj_scanpos = xsp; if (jj_3R_23()) { jj_scanpos = xsp; if (jj_3R_24()) { jj_scanpos = xsp; if (jj_3R_25()) return true; } } } return false; } final private boolean jj_3R_30() { Token xsp; xsp = jj_scanpos; if (jj_3R_32()) { jj_scanpos = xsp; if (jj_3R_33()) { jj_scanpos = xsp; if (jj_3R_34()) { jj_scanpos = xsp; if (jj_3R_35()) { jj_scanpos = xsp; if (jj_3R_36()) return true; } } } } return false; } final private boolean jj_3R_32() { if (jj_3R_39()) return true; return false; } final private boolean jj_3R_14() { if (jj_3R_15()) return true; return false; } final private boolean jj_3R_13() { if (jj_3R_14()) return true; return false; } public ELParserTokenManager token_source; SimpleCharStream jj_input_stream; public Token token, jj_nt; private int jj_ntk; private Token jj_scanpos, jj_lastpos; private int jj_la; public boolean lookingAhead = false; private boolean jj_semLA; private int jj_gen; final private int[] jj_la1 = new int[35]; static private int[] jj_la1_0; static private int[] jj_la1_1; static { jj_la1_0(); jj_la1_1(); } private static void jj_la1_0() { jj_la1_0 = new int[] {0xe,0xe,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xfe000000,0x18000000,0x6000000,0x80000000,0x60000000,0xfe000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x9d600,0x240000,0x9d600,0x240000,0x80000,0x0,0x0,0x1000000,0x9d600,0x1d600,0xc000,}; } private static void jj_la1_1() { jj_la1_1 = new int[] {0x0,0x0,0x10000,0x600,0x600,0x180,0x180,0x1e,0x6,0x18,0x1e,0x1,0x0,0x0,0x1,0x0,0x1,0xc000,0xc000,0x1e2000,0x60000,0x180000,0x1e2000,0x60,0x608860,0x0,0x600000,0x0,0x0,0x200000,0x400000,0x0,0x608860,0x0,0x0,}; } final private JJCalls[] jj_2_rtns = new JJCalls[1]; private boolean jj_rescan = false; private int jj_gc = 0; public ELParser(java.io.InputStream stream) { this(stream, null); } public ELParser(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 ELParserTokenManager(jj_input_stream); token = new Token(); jj_ntk = -1; jj_gen = 0; for (int i = 0; i < 35; i++) jj_la1[i] = -1; for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); } public void ReInit(java.io.InputStream stream) { ReInit(stream, null); } 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; jjtree.reset(); jj_gen = 0; for (int i = 0; i < 35; i++) jj_la1[i] = -1; for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); } public ELParser(java.io.Reader stream) { jj_input_stream = new SimpleCharStream(stream, 1, 1); token_source = new ELParserTokenManager(jj_input_stream); token = new Token(); jj_ntk = -1; jj_gen = 0; for (int i = 0; i < 35; i++) jj_la1[i] = -1; for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); } 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; jjtree.reset(); jj_gen = 0; for (int i = 0; i < 35; i++) jj_la1[i] = -1; for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); } public ELParser(ELParserTokenManager tm) { token_source = tm; token = new Token(); jj_ntk = -1; jj_gen = 0; for (int i = 0; i < 35; i++) jj_la1[i] = -1; for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); } public void ReInit(ELParserTokenManager tm) { token_source = tm; token = new Token(); jj_ntk = -1; jjtree.reset(); jj_gen = 0; for (int i = 0; i < 35; i++) jj_la1[i] = -1; for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); } final 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(); final 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; } 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; } final public Token getToken(int index) { Token t = 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; } final 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.Vector jj_expentries = new java.util.Vector(); 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.Enumeration e = jj_expentries.elements(); e.hasMoreElements();) { int[] oldentry = (int[])(e.nextElement()); 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.addElement(jj_expentry); if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind; } } public ParseException generateParseException() { jj_expentries.removeAllElements(); boolean[] la1tokens = new boolean[60]; for (int i = 0; i < 60; i++) { la1tokens[i] = false; } if (jj_kind >= 0) { la1tokens[jj_kind] = true; jj_kind = -1; } for (int i = 0; i < 35; i++) { if (jj_la1[i] == jj_gen) { for (int j = 0; j < 32; j++) { if ((jj_la1_0[i] & (1< |
... this post is sponsored by my books ... | |
![]() #1 New Release! |
![]() FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.