/**********************************************************************
Copyright (c) 2002 Klaus Hartlage - www.eclipseproject.de
- All rights reserved. This program and the accompanying materials
+ All rights reserved. This program and the accompanying material
are made available under the terms of the Common Public License v1.0
which accompanies this distribution, and is available at
http://www.eclipse.org/legal/cpl-v10.html
private String stringValue;
/** Contains the current expression. */
// private StringBuffer expression;
- private boolean phpMode;
+ //private boolean phpMode;
protected int modifiers;
protected int modifiersSourceStart;
protected Parser() {
// } catch (CoreException e) {
// }
// }
- public void phpParserTester(String s, int rowCount) {
- this.str = s;
- if (s == null) {
- if (phpList.size() != 0) {
- this.str = ((PHPString) phpList.get(currentPHPString++)).getPHPString();
- }
- }
- this.token = TokenNameEOF;
- // this.chIndx = 0;
- // this.rowCount = rowCount;
- // this.columnCount = 0;
- this.phpEnd = false;
- this.phpMode = true;
- scanner.setSource(s.toCharArray());
- scanner.setPHPMode(true);
- getNextToken();
- do {
- try {
- if (token != TokenNameEOF && token != TokenNameERROR) {
- statementList();
- }
- if (token != TokenNameEOF) {
- if (token == TokenNameERROR) {
- throwSyntaxError("Scanner error (Found unknown token: "
- + scanner.toStringAction(token) + ")");
- }
- if (token == TokenNameRPAREN) {
- throwSyntaxError("Too many closing ')'; end-of-file not reached.");
- }
- if (token == TokenNameRBRACE) {
- throwSyntaxError("Too many closing '}'; end-of-file not reached.");
- }
- if (token == TokenNameRBRACKET) {
- throwSyntaxError("Too many closing ']'; end-of-file not reached.");
- }
- if (token == TokenNameLPAREN) {
- throwSyntaxError("Read character '('; end-of-file not reached.");
- }
- if (token == TokenNameLBRACE) {
- throwSyntaxError("Read character '{'; end-of-file not reached.");
- }
- if (token == TokenNameLBRACKET) {
- throwSyntaxError("Read character '['; end-of-file not reached.");
- }
- throwSyntaxError("End-of-file not reached.");
- }
- return;
- } catch (SyntaxError err) {
- if (s != null) {
- throw err;
- } else {
- // setMarker(err.getMessage(), err.getLine(), ERROR);
- // setMarker(err.getMessage(),
- // scanner.getCurrentTokenStartPosition(),
- // scanner.getCurrentTokenEndPosition(), ERROR);
- }
- // if an error occured,
- // try to find keywords 'class' or 'function'
- // to parse the rest of the string
- while (token != TokenNameEOF && token != TokenNameERROR) {
- if (token == TokenNameabstract || token == TokenNamefinal
- || token == TokenNameclass || token == TokenNamefunction) {
- break;
- }
- getNextToken();
- }
- if (token == TokenNameEOF || token == TokenNameERROR) {
- return;
- }
- }
- } while (true);
- }
+// public void phpParserTester(String s, int rowCount) {
+// this.str = s;
+// if (s == null) {
+// if (phpList.size() != 0) {
+// this.str = ((PHPString) phpList.get(currentPHPString++)).getPHPString();
+// }
+// }
+// this.token = TokenNameEOF;
+// // this.chIndx = 0;
+// // this.rowCount = rowCount;
+// // this.columnCount = 0;
+// this.phpEnd = false;
+// this.phpMode = true;
+// scanner.setSource(s.toCharArray());
+// scanner.setPHPMode(true);
+// getNextToken();
+// do {
+// try {
+// if (token != TokenNameEOF && token != TokenNameERROR) {
+// statementList();
+// }
+// if (token != TokenNameEOF) {
+// if (token == TokenNameERROR) {
+// throwSyntaxError("Scanner error (Found unknown token: "
+// + scanner.toStringAction(token) + ")");
+// }
+// if (token == TokenNameRPAREN) {
+// throwSyntaxError("Too many closing ')'; end-of-file not reached.");
+// }
+// if (token == TokenNameRBRACE) {
+// throwSyntaxError("Too many closing '}'; end-of-file not reached.");
+// }
+// if (token == TokenNameRBRACKET) {
+// throwSyntaxError("Too many closing ']'; end-of-file not reached.");
+// }
+// if (token == TokenNameLPAREN) {
+// throwSyntaxError("Read character '('; end-of-file not reached.");
+// }
+// if (token == TokenNameLBRACE) {
+// throwSyntaxError("Read character '{'; end-of-file not reached.");
+// }
+// if (token == TokenNameLBRACKET) {
+// throwSyntaxError("Read character '['; end-of-file not reached.");
+// }
+// throwSyntaxError("End-of-file not reached.");
+// }
+// return;
+// } catch (SyntaxError err) {
+// if (s != null) {
+// throw err;
+// } else {
+// // setMarker(err.getMessage(), err.getLine(), ERROR);
+// // setMarker(err.getMessage(),
+// // scanner.getCurrentTokenStartPosition(),
+// // scanner.getCurrentTokenEndPosition(), ERROR);
+// }
+// // if an error occured,
+// // try to find keywords 'class' or 'function'
+// // to parse the rest of the string
+// while (token != TokenNameEOF && token != TokenNameERROR) {
+// if (token == TokenNameabstract || token == TokenNamefinal
+// || token == TokenNameclass || token == TokenNamefunction) {
+// break;
+// }
+// getNextToken();
+// }
+// if (token == TokenNameEOF || token == TokenNameERROR) {
+// return;
+// }
+// }
+// } while (true);
+// }
public void init(String s) {
this.str = s;
this.token = TokenNameEOF;
// this.rowCount = 1;
// this.columnCount = 0;
this.phpEnd = false;
- this.phpMode = false;
+// this.phpMode = false;
/* scanner initialization */
scanner.setSource(s.toCharArray());
scanner.setPHPMode(false);
// this.rowCount = 1;
// this.columnCount = 0;
this.phpEnd = false;
- this.phpMode = phpMode;
+// this.phpMode = phpMode;
scanner.setPHPMode(phpMode);
}
/**
// return outlineInfo;
// }
private boolean isVariable() {
- return token == TokenNameVariable || token == TokenNamethis;
+ return token == TokenNameVariable; // || token == TokenNamethis;
}
// private void parseDeclarations(PHPOutlineInfo outlineInfo,
// OutlineableWithChildren current, boolean goBack) {
// TokenNamenew) {
// char[] ident = scanner.getCurrentIdentifierSource();
// String keyword = new String(ident);
- if (token == TokenNameAT) {
- getNextToken();
- if (token != TokenNamerequire && token != TokenNamerequire_once
- && token != TokenNameinclude && token != TokenNameinclude_once
- && token != TokenNameIdentifier && token != TokenNameVariable
- && token != TokenNamethis && token != TokenNameStringInterpolated) {
- throwSyntaxError("identifier expected after '@'.");
- }
- }
- if (token == TokenNameinclude || token == TokenNameinclude_once) {
- getNextToken();
- if (token == TokenNameLPAREN) {
- expr();
- if (token == TokenNameSEMICOLON) {
- getNextToken();
- } else {
- if (previousToken != TokenNameAT && token != TokenNameStopPHP) {
- throwSyntaxError("';' expected after 'include' or 'include_once'.");
- }
- // getNextToken();
- }
- } else {
- concatenationExpression();
- }
- return;
- } else if (token == TokenNamerequire || token == TokenNamerequire_once) {
- getNextToken();
- //constant();
- if (token == TokenNameLPAREN) {
- expr();
- if (token == TokenNameSEMICOLON) {
- getNextToken();
- } else {
- if (previousToken != TokenNameAT && token != TokenNameStopPHP) {
- throwSyntaxError("';' expected after 'require' or 'require_once'.");
- }
- // getNextToken();
- }
- } else {
- concatenationExpression();
- }
- return;
- } else if (token == TokenNameif) {
+ // if (token == TokenNameAT) {
+ // getNextToken();
+ // if (token != TokenNamerequire && token != TokenNamerequire_once
+ // && token != TokenNameinclude && token != TokenNameinclude_once
+ // && token != TokenNameIdentifier && token != TokenNameVariable
+ // && token != TokenNameStringInterpolated) {
+ // throwSyntaxError("identifier expected after '@'.");
+ // }
+ // }
+ // if (token == TokenNameinclude || token == TokenNameinclude_once) {
+ // getNextToken();
+ // if (token == TokenNameLPAREN) {
+ // expr();
+ // if (token == TokenNameSEMICOLON) {
+ // getNextToken();
+ // } else {
+ // if (previousToken != TokenNameAT && token != TokenNameStopPHP) {
+ // throwSyntaxError("';' expected after 'include' or 'include_once'.");
+ // }
+ // // getNextToken();
+ // }
+ // } else {
+ // concatenationExpression();
+ // }
+ // return;
+ // } else if (token == TokenNamerequire || token == TokenNamerequire_once)
+ // {
+ // getNextToken();
+ // //constant();
+ // if (token == TokenNameLPAREN) {
+ // expr();
+ // if (token == TokenNameSEMICOLON) {
+ // getNextToken();
+ // } else {
+ // if (previousToken != TokenNameAT && token != TokenNameStopPHP) {
+ // throwSyntaxError("';' expected after 'require' or 'require_once'.");
+ // }
+ // // getNextToken();
+ // }
+ // } else {
+ // concatenationExpression();
+ // }
+ // return;
+ // } else
+ if (token == TokenNameif) {
getNextToken();
if (token == TokenNameLPAREN) {
getNextToken();
// getNextToken();
// }
// return;
- } else if (token == TokenNameglobal || token == TokenNamestatic) {
+ } else if (token == TokenNameglobal) {
getNextToken();
- variableList();
+ global_var_list();
if (token == TokenNameSEMICOLON) {
getNextToken();
} else {
if (token != TokenNameStopPHP) {
- throwSyntaxError("';' expected after 'global' or 'static' statement.");
+ throwSyntaxError("';' expected after 'global' statement.");
}
getNextToken();
}
return;
- } else if (token == TokenNameunset) {
+ } else if (token == TokenNamestatic) {
+ getNextToken();
+ static_var_list();
+ if (token == TokenNameSEMICOLON) {
+ getNextToken();
+ } else {
+ if (token != TokenNameStopPHP) {
+ throwSyntaxError("';' expected after 'static' statement.");
+ }
+ getNextToken();
+ }
+ return;
+ }else if (token == TokenNameunset) {
getNextToken();
if (token == TokenNameLPAREN) {
getNextToken();
}
}
}
+ private void global_var_list() {
+ // global_var_list:
+ // global_var_list ',' global_var
+ //| global_var
+ while (true) {
+ global_var();
+ if (token != TokenNameCOMMA) {
+ break;
+ }
+ getNextToken();
+ }
+ }
+ private void global_var() {
+ //global_var:
+ // T_VARIABLE
+ //| '$' r_variable
+ //| '$' '{' expr '}'
+ if (token == TokenNameVariable) {
+ getNextToken();
+ } else if (token == TokenNameDOLLAR) {
+ getNextToken();
+ if (token == TokenNameLPAREN) {
+ getNextToken();
+ expr();
+ if (token != TokenNameLPAREN) {
+ throwSyntaxError("')' expected in global variable.");
+ }
+ getNextToken();
+ } else {
+ r_variable();
+ }
+ }
+ }
+ private void static_var_list() {
+ //static_var_list:
+ // static_var_list ',' T_VARIABLE
+ //| static_var_list ',' T_VARIABLE '=' static_scalar
+ //| T_VARIABLE
+ //| T_VARIABLE '=' static_scalar
+ while (true) {
+ if (token == TokenNameVariable) {
+ getNextToken();
+ if (token == TokenNameEQUAL) {
+ getNextToken();
+ static_scalar();
+ }
+ if (token != TokenNameCOMMA) {
+ break;
+ }
+ getNextToken();
+ } else {
+ break;
+ }
+ }
+ }
private void unset_variables() {
// unset_variables:
// unset_variable
static_scalar();
}
} else {
- if (token == TokenNamethis) {
- throwSyntaxError("'$this' not allowed after keyword 'public' 'protected' 'private' 'var'.");
- }
- throwSyntaxError("Variable expected keyword 'public' 'protected' 'private' 'var'.");
+ // if (token == TokenNamethis) {
+ // throwSyntaxError("'$this' not allowed after keyword 'public'
+ // 'protected' 'private' 'var'.");
+ // }
+ throwSyntaxError("Variable expected after keyword 'public' 'protected' 'private' 'var'.");
}
if (token != TokenNameCOMMA) {
break;
}
return;
}
- if (token == TokenNamethis) {
- throwSyntaxError("Reserved word '$this' not allowed in parameter declaration.");
- }
+ // if (token == TokenNamethis) {
+ // throwSyntaxError("Reserved word '$this' not allowed in parameter
+ // declaration.");
+ // }
}
private void labeledStatementList() {
if (token != TokenNamecase && token != TokenNamedefault) {
} while (true);
}
private void expr() {
- //todo: find a better way to get the expression
- // expression = new StringBuffer();
- // for (int i = chIndx; i < str.length(); i++) {
- // if (str.charAt(i) == ';') {
- // break;
- // }
- // expression.append(str.charAt(i));
- // }
- // if (token == TokenNameSTRING_CONSTANT || token ==
- // TokenNameINTERPOLATED_STRING) {
- // getNextToken();
- // } else {
- logicalinclusiveorExpression();
- // while (token != TokenNameSEMICOLON) {
- // getNextToken();
- // // }
+ // r_variable
+ // | expr_without_variable
+ // if (token!=TokenNameEOF) {
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: expr()");
+ }
+ expr_without_variable(true);
// }
}
- private void expr_without_variable() {
- // String ident;
- char[] ident;
- boolean castFlag = false;
- boolean arrayFlag = false;
+ private void expr_without_variable(boolean only_variable) {
+ // internal_functions_in_yacc
+ // | T_CLONE expr
+ // | T_PRINT expr
+ // | '(' expr ')'
+ // | '@' expr
+ // | '+' expr
+ // | '-' expr
+ // | '!' expr
+ // | '~' expr
+ // | T_INC rw_variable
+ // | T_DEC rw_variable
+ // | T_INT_CAST expr
+ // | T_DOUBLE_CAST expr
+ // | T_STRING_CAST expr
+ // | T_ARRAY_CAST expr
+ // | T_OBJECT_CAST expr
+ // | T_BOOL_CAST expr
+ // | T_UNSET_CAST expr
+ // | T_EXIT exit_expr
+ // | scalar
+ // | T_ARRAY '(' array_pair_list ')'
+ // | '`' encaps_list '`'
+ // | T_LIST '(' assignment_list ')' '=' expr
+ // | T_NEW class_name_reference ctor_arguments
+ // | variable '=' expr
+ // | variable '=' '&' variable
+ // | variable '=' '&' T_NEW class_name_reference ctor_arguments
+ // | variable T_PLUS_EQUAL expr
+ // | variable T_MINUS_EQUAL expr
+ // | variable T_MUL_EQUAL expr
+ // | variable T_DIV_EQUAL expr
+ // | variable T_CONCAT_EQUAL expr
+ // | variable T_MOD_EQUAL expr
+ // | variable T_AND_EQUAL expr
+ // | variable T_OR_EQUAL expr
+ // | variable T_XOR_EQUAL expr
+ // | variable T_SL_EQUAL expr
+ // | variable T_SR_EQUAL expr
+ // | rw_variable T_INC
+ // | rw_variable T_DEC
+ // | expr T_BOOLEAN_OR expr
+ // | expr T_BOOLEAN_AND expr
+ // | expr T_LOGICAL_OR expr
+ // | expr T_LOGICAL_AND expr
+ // | expr T_LOGICAL_XOR expr
+ // | expr '|' expr
+ // | expr '&' expr
+ // | expr '^' expr
+ // | expr '.' expr
+ // | expr '+' expr
+ // | expr '-' expr
+ // | expr '*' expr
+ // | expr '/' expr
+ // | expr '%' expr
+ // | expr T_SL expr
+ // | expr T_SR expr
+ // | expr T_IS_IDENTICAL expr
+ // | expr T_IS_NOT_IDENTICAL expr
+ // | expr T_IS_EQUAL expr
+ // | expr T_IS_NOT_EQUAL expr
+ // | expr '<' expr
+ // | expr T_IS_SMALLER_OR_EQUAL expr
+ // | expr '>' expr
+ // | expr T_IS_GREATER_OR_EQUAL expr
+ // | expr T_INSTANCEOF class_name_reference
+ // | expr '?' expr ':' expr
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: expr_without_variable() PART 1");
+ }
switch (token) {
case TokenNameisset :
case TokenNameempty :
case TokenNamerequire_once :
internal_functions_in_yacc();
break;
- case TokenNamenew :
- getNextToken();
- expr();
- break;
- //
- // case TokenNamenull :
- // getNextToken();
- // break;
- // case TokenNamefalse :
- // getNextToken();
- // break;
- // case TokenNametrue :
- // getNextToken();
- // break;
- case TokenNameStringConstant :
- getNextToken();
- break;
- case TokenNameHEREDOC :
- case TokenNameStringInterpolated :
- case TokenNameStringLiteral :
- getNextToken();
- break;
+ // | '(' expr ')'
case TokenNameLPAREN :
getNextToken();
- if (token == TokenNameIdentifier) {
- // check if identifier is a type:
- // ident = identifier;
- ident = scanner.getCurrentIdentifierSource();
- String str = new String(ident).toLowerCase();
- for (int i = 0; i < PHP_TYPES.length; i++) {
- if (PHP_TYPES[i].equals(str)) {
- castFlag = true;
- if (PHP_TYPES[i].equals("array")) {
- arrayFlag = true;
- }
- break;
- }
- }
- }
- if (castFlag) {
- getNextToken();
- if (arrayFlag && token == TokenNameLPAREN) {
- getNextToken();
- if (token == TokenNameRPAREN) {
- getNextToken();
- } else {
- expr();
- if (token != TokenNameRPAREN) {
- throwSyntaxError(") expected after 'array('.");
- }
- }
- }
- if (token != TokenNameRPAREN) {
- throwSyntaxError(") expected after cast-type '" + str + "'.");
- }
+ expr();
+ if (token == TokenNameRPAREN) {
getNextToken();
- expr();
- break;
} else {
- expr();
+ throwSyntaxError("')' expected in expression.");
}
- if (token != TokenNameRPAREN) {
- throwSyntaxError(") expected in postfix-expression.");
- }
- getNextToken();
break;
- case TokenNameDoubleLiteral :
- getNextToken();
- break;
- case TokenNameIntegerLiteral :
- getNextToken();
- break;
- case TokenNameDOLLAR_LBRACE :
+ // | T_CLONE expr
+ // | T_PRINT expr
+ // | '@' expr
+ // | '+' expr
+ // | '-' expr
+ // | '!' expr
+ // | '~' expr
+ // | T_INT_CAST expr
+ // | T_DOUBLE_CAST expr
+ // | T_STRING_CAST expr
+ // | T_ARRAY_CAST expr
+ // | T_OBJECT_CAST expr
+ // | T_BOOL_CAST expr
+ // | T_UNSET_CAST expr
+ case TokenNameclone :
+ case TokenNameprint :
+ case TokenNameAT :
+ case TokenNamePLUS :
+ case TokenNameMINUS :
+ case TokenNameNOT :
+ case TokenNameTWIDDLE :
+ case TokenNameintCAST :
+ case TokenNamedoubleCAST :
+ case TokenNamestringCAST :
+ case TokenNamearrayCAST :
+ case TokenNameobjectCAST :
+ case TokenNameboolCAST :
+ case TokenNameunsetCAST :
getNextToken();
expr();
- if (token != TokenNameRBRACE) {
- throwSyntaxError("'}' expected after indirect variable token '${'.");
- }
- getNextToken();
break;
- case TokenNameVariable :
- case TokenNamethis :
- ident = scanner.getCurrentIdentifierSource();
+ case TokenNameexit :
getNextToken();
- if (token == TokenNameLBRACE) {
- getNextToken();
- expr();
- if (token != TokenNameRBRACE) {
- throwSyntaxError("'}' expected after variable '"
- + new String(ident) + "' in variable-expression.");
- }
- getNextToken();
- } else if (token == TokenNameLPAREN) {
- getNextToken();
- if (token != TokenNameRPAREN) {
- expressionList();
- if (token != TokenNameRPAREN) {
- throwSyntaxError("')' expected after variable '"
- + new String(ident) + "' in postfix-expression.");
- }
- }
- getNextToken();
- }
+ exit_expr();
break;
- case TokenNameIdentifier :
- ident = scanner.getCurrentIdentifierSource();
+ // scalar:
+ // T_STRING
+ //| T_STRING_VARNAME
+ //| class_constant
+ //| '"' encaps_list '"'
+ //| '\'' encaps_list '\''
+ //| T_START_HEREDOC encaps_list T_END_HEREDOC
+ // | '`' encaps_list '`'
+ // | common_scalar
+ case TokenNameIntegerLiteral :
+ case TokenNameDoubleLiteral :
+ case TokenNameStringLiteral :
+ case TokenNameStringConstant :
+ case TokenNameStringInterpolated :
+ case TokenNameFILE :
+ case TokenNameLINE :
+ case TokenNameCLASS_C :
+ case TokenNameMETHOD_C :
+ case TokenNameFUNC_C :
+ common_scalar();
+ break;
+ case TokenNameHEREDOC :
getNextToken();
- if (token == TokenNameLPAREN) {
- getNextToken();
- if (token != TokenNameRPAREN) {
- expressionList();
- if (token != TokenNameRPAREN) {
- throwSyntaxError("')' expected after identifier '"
- + new String(ident) + "' in postfix-expression."
- + "(Found token: " + scanner.toStringAction(token) + ")");
- }
- }
- getNextToken();
- }
break;
case TokenNamearray :
// T_ARRAY '(' array_pair_list ')'
+ "(Found token: " + scanner.toStringAction(token) + ")");
}
break;
- case TokenNameprint :
- getNextToken();
- expr();
- break;
- case TokenNameexit :
- getNextToken();
- exit_expr();
- break;
case TokenNamelist :
+ // | T_LIST '(' assignment_list ')' '=' expr
getNextToken();
if (token == TokenNameLPAREN) {
getNextToken();
- if (token == TokenNameCOMMA) {
- getNextToken();
- }
- expressionList();
+ assignment_list();
if (token != TokenNameRPAREN) {
throwSyntaxError("')' expected after 'list' keyword.");
}
getNextToken();
- // if (token == TokenNameSET) {
- // getNextToken();
- // logicalinclusiveorExpression();
- // }
+ if (token != TokenNameEQUAL) {
+ throwSyntaxError("'=' expected after 'list' keyword.");
+ }
+ getNextToken();
+ expr();
} else {
throwSyntaxError("'(' expected after 'list' keyword.");
}
break;
- // case TokenNameexit :
- // getNextToken();
- // if (token != TokenNameSEMICOLON) {
- // exitStatus();
- // }
- // if (token == TokenNameSEMICOLON) {
- // getNextToken();
- // } else {
- // if (token != TokenNameStopPHP) {
- // throwSyntaxError("';' expected after 'exit' expression.");
- // }
- // getNextToken();
- // }
- // break;
- // case TokenNamedie :
- // getNextToken();
- // if (token != TokenNameSEMICOLON) {
- // exitStatus();
- // }
- // if (token == TokenNameSEMICOLON) {
- // getNextToken();
- // } else {
- // if (token != TokenNameStopPHP) {
- // throwSyntaxError("';' expected after 'die' expression.");
- // }
- // }
- // break;
- // case TokenNamearray :
- // getNextToken();
- // if (token == TokenNameARGOPEN) {
- // getNextToken();
- // if (token == TokenNameCOMMA) {
- // getNextToken();
- // }
- // expressionList();
- // if (token != TokenNameARGCLOSE) {
- // throwSyntaxError("')' expected after 'list' keyword.");
- // }
- // getNextToken();
- // if (token == TokenNameSET) {
- // getNextToken();
- // logicalinclusiveorExpression();
- // }
- // } else {
- // throwSyntaxError("'(' expected after 'list' keyword.");
- // }
- // break;
+ case TokenNamenew :
+ // | T_NEW class_name_reference ctor_arguments
+ getNextToken();
+ class_name_reference();
+ ctor_arguments();
+ break;
+ // | T_INC rw_variable
+ // | T_DEC rw_variable
+ case TokenNamePLUS_PLUS :
+ case TokenNameMINUS_MINUS :
+ getNextToken();
+ rw_variable();
+ break;
+ // | variable '=' expr
+ // | variable '=' '&' variable
+ // | variable '=' '&' T_NEW class_name_reference ctor_arguments
+ // | variable T_PLUS_EQUAL expr
+ // | variable T_MINUS_EQUAL expr
+ // | variable T_MUL_EQUAL expr
+ // | variable T_DIV_EQUAL expr
+ // | variable T_CONCAT_EQUAL expr
+ // | variable T_MOD_EQUAL expr
+ // | variable T_AND_EQUAL expr
+ // | variable T_OR_EQUAL expr
+ // | variable T_XOR_EQUAL expr
+ // | variable T_SL_EQUAL expr
+ // | variable T_SR_EQUAL expr
+ // | rw_variable T_INC
+ // | rw_variable T_DEC
+ case TokenNameIdentifier :
+ case TokenNameVariable :
+ case TokenNameDOLLAR :
+ variable();
+ switch (token) {
+ case TokenNameEQUAL :
+ getNextToken();
+ if (token == TokenNameAND) {
+ getNextToken();
+ if (token == TokenNamenew) {
+ getNextToken();
+ throwSyntaxError("not yet implemented (= & new)");
+ // class_name_reference();
+ // ctor_arguments();
+ } else {
+ variable();
+ }
+ } else {
+ expr();
+ }
+ break;
+ case TokenNamePLUS_EQUAL :
+ case TokenNameMINUS_EQUAL :
+ case TokenNameMULTIPLY_EQUAL :
+ case TokenNameDIVIDE_EQUAL :
+ case TokenNameDOT_EQUAL :
+ case TokenNameREMAINDER_EQUAL :
+ case TokenNameAND_EQUAL :
+ case TokenNameOR_EQUAL :
+ case TokenNameXOR_EQUAL :
+ case TokenNameRIGHT_SHIFT_EQUAL :
+ case TokenNameLEFT_SHIFT_EQUAL :
+ getNextToken();
+ expr();
+ break;
+ case TokenNamePLUS_PLUS :
+ case TokenNameMINUS_MINUS :
+ getNextToken();
+ break;
+ default :
+ if (!only_variable) {
+ throwSyntaxError("Variable expression not allowed (found token '"
+ + scanner.toStringAction(token) + "').");
+ }
+ }
+ break;
+ default :
+ if (token != TokenNameStopPHP) {
+ throwSyntaxError("Error in expression (found token '"
+ + scanner.toStringAction(token) + "').");
+ }
+ return;
}
- boolean while_flag = true;
- do {
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: expr_without_variable() PART 2");
+ }
+ // | expr T_BOOLEAN_OR expr
+ // | expr T_BOOLEAN_AND expr
+ // | expr T_LOGICAL_OR expr
+ // | expr T_LOGICAL_AND expr
+ // | expr T_LOGICAL_XOR expr
+ // | expr '|' expr
+ // | expr '&' expr
+ // | expr '^' expr
+ // | expr '.' expr
+ // | expr '+' expr
+ // | expr '-' expr
+ // | expr '*' expr
+ // | expr '/' expr
+ // | expr '%' expr
+ // | expr T_SL expr
+ // | expr T_SR expr
+ // | expr T_IS_IDENTICAL expr
+ // | expr T_IS_NOT_IDENTICAL expr
+ // | expr T_IS_EQUAL expr
+ // | expr T_IS_NOT_EQUAL expr
+ // | expr '<' expr
+ // | expr T_IS_SMALLER_OR_EQUAL expr
+ // | expr '>' expr
+ // | expr T_IS_GREATER_OR_EQUAL expr
+ while (true) {
switch (token) {
- case TokenNameLBRACKET :
+ case TokenNameOR_OR :
+ case TokenNameAND_AND :
+ case TokenNameand :
+ case TokenNameor :
+ case TokenNamexor :
+ case TokenNameAND :
+ case TokenNameOR :
+ case TokenNameXOR :
+ case TokenNameDOT :
+ case TokenNamePLUS :
+ case TokenNameMINUS :
+ case TokenNameMULTIPLY :
+ case TokenNameDIVIDE :
+ case TokenNameREMAINDER :
+ case TokenNameLEFT_SHIFT :
+ case TokenNameRIGHT_SHIFT :
+ case TokenNameEQUAL_EQUAL_EQUAL :
+ case TokenNameNOT_EQUAL_EQUAL :
+ case TokenNameEQUAL_EQUAL :
+ case TokenNameNOT_EQUAL :
+ case TokenNameLESS :
+ case TokenNameLESS_EQUAL :
+ case TokenNameGREATER :
+ case TokenNameGREATER_EQUAL :
getNextToken();
expr();
- if (token != TokenNameRBRACKET) {
- throwSyntaxError("] expected in postfix-expression.");
- }
+ break;
+ // | expr T_INSTANCEOF class_name_reference
+ // | expr '?' expr ':' expr
+ case TokenNameinstanceof :
getNextToken();
+ throwSyntaxError("not yet implemented (class_name_reference)");
+ // class_name_reference();
break;
- case TokenNamePAAMAYIM_NEKUDOTAYIM :
- // ::
- case TokenNameMINUS_GREATER :
- // ->
+ case TokenNameQUESTION :
getNextToken();
- if (token > TokenNameKEYWORD) {
- ident = scanner.getCurrentIdentifierSource();
- // setMarker(
- // "Avoid using keyword '"
- // + new String(ident)
- // + "' as variable name.",
- // rowCount,
- // PHPParser.INFO);
- // setMarker(
- // "Avoid using keyword '" + new String(ident) + "' as
- // variable name.",
- // scanner.getCurrentTokenStartPosition(),
- // scanner.getCurrentTokenEndPosition(),
- // INFO);
- }
- switch (token) {
- case TokenNameVariable :
- ident = scanner.getCurrentIdentifierSource();
- getNextToken();
- // if (token == TokenNameARGOPEN) {
- // getNextToken();
- // expressionList();
- // if (token != TokenNameARGCLOSE) {
- // throwSyntaxError(") expected after variable '" +
- // ident + "'.");
- // }
- // getNextToken();
- // }
- break;
- case TokenNameIdentifier :
- //ident = scanner.getCurrentIdentifierSource();
- getNextToken();
- break;
- case TokenNameLBRACE :
- getNextToken();
- expr();
- if (token != TokenNameRBRACE) {
- throwSyntaxError("} expected in postfix-expression.");
- }
- getNextToken();
- break;
- default :
- throwSyntaxError("Syntax error after '->' token.");
- }
- while (token == TokenNameLBRACKET || token == TokenNameLPAREN
- || token == TokenNameLBRACE) {
- if (token == TokenNameLBRACKET) {
- getNextToken();
- expressionList();
- if (token != TokenNameRBRACKET) {
- throwSyntaxError("] expected after '->'.");
- }
- getNextToken();
- } else if (token == TokenNameLPAREN) {
- getNextToken();
- expressionList();
- if (token != TokenNameRPAREN) {
- throwSyntaxError(") expected after '->'.");
- }
- getNextToken();
- } else if (token == TokenNameLBRACE) {
- getNextToken();
- expr();
- if (token != TokenNameRBRACE) {
- throwSyntaxError("} expected after '->'.");
- }
- getNextToken();
- }
+ expr();
+ if (token == TokenNameCOLON) {
+ getNextToken();
+ expr();
}
break;
- case TokenNamePLUS_PLUS :
+ default :
+ return;
+ }
+ }
+ }
+ private void class_name_reference() {
+ // class_name_reference:
+ // T_STRING
+ //| dynamic_class_name_reference
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: class_name_reference()");
+ }
+ if (token == TokenNameIdentifier) {
+ getNextToken();
+ } else {
+ dynamic_class_name_reference();
+ }
+ }
+ private void dynamic_class_name_reference() {
+ //dynamic_class_name_reference:
+ // base_variable T_OBJECT_OPERATOR object_property
+ // dynamic_class_name_variable_properties
+ //| base_variable
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: dynamic_class_name_reference()");
+ }
+ base_variable();
+ if (token == TokenNameMINUS_GREATER) {
+ getNextToken();
+ object_property();
+ dynamic_class_name_variable_properties();
+ }
+ }
+ private void dynamic_class_name_variable_properties() {
+ // dynamic_class_name_variable_properties:
+ // dynamic_class_name_variable_properties
+ // dynamic_class_name_variable_property
+ // | /* empty */
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: dynamic_class_name_variable_properties()");
+ }
+ while (token == TokenNameMINUS_GREATER) {
+ dynamic_class_name_variable_property();
+ }
+ }
+ private void dynamic_class_name_variable_property() {
+ // dynamic_class_name_variable_property:
+ // T_OBJECT_OPERATOR object_property
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: dynamic_class_name_variable_property()");
+ }
+ if (token == TokenNameMINUS_GREATER) {
+ getNextToken();
+ object_property();
+ }
+ }
+ private void ctor_arguments() {
+ // ctor_arguments:
+ // /* empty */
+ //| '(' function_call_parameter_list ')'
+ if (token == TokenNameLPAREN) {
+ getNextToken();
+ if (token == TokenNameRPAREN) {
+ getNextToken();
+ return;
+ }
+ non_empty_function_call_parameter_list();
+ if (token != TokenNameRPAREN) {
+ throwSyntaxError("')' expected in ctor_arguments.");
+ }
+ getNextToken();
+ }
+ }
+ private void assignment_list() {
+ // assignment_list:
+ // assignment_list ',' assignment_list_element
+ //| assignment_list_element
+ while (true) {
+ assignment_list_element();
+ if (token != TokenNameCOMMA) {
+ break;
+ }
+ getNextToken();
+ }
+ }
+ private void assignment_list_element() {
+ //assignment_list_element:
+ // variable
+ //| T_LIST '(' assignment_list ')'
+ //| /* empty */
+ if (token == TokenNameVariable || token == TokenNameDOLLAR) {
+ variable();
+ } else {
+ if (token == TokenNamelist) {
+ getNextToken();
+ if (token == TokenNameLPAREN) {
getNextToken();
- break;
- case TokenNameMINUS_MINUS :
+ assignment_list();
+ if (token != TokenNameRPAREN) {
+ throwSyntaxError("')' expected after 'list' keyword.");
+ }
getNextToken();
- break;
- default :
- while_flag = false;
+ } else {
+ throwSyntaxError("'(' expected after 'list' keyword.");
+ }
}
- } while (while_flag);
+ }
}
private void array_pair_list() {
// array_pair_list:
}
}
}
- private void unaryExpression() {
- switch (token) {
- case TokenNamePLUS_PLUS :
- getNextToken();
- unaryExpression();
- break;
- case TokenNameMINUS_MINUS :
- getNextToken();
- unaryExpression();
- break;
- // '@' '&' '*' '+' '-' '~' '!'
- case TokenNameAT :
- getNextToken();
- if (token == TokenNameinclude || token == TokenNameinclude_once
- || token == TokenNamerequire || token == TokenNamerequire_once) {
- statement(TokenNameAT);
- } else {
- expr_without_variable(); // castExpression();
- }
- break;
- case TokenNameAND :
- getNextToken();
- castExpression();
- break;
- case TokenNameMULTIPLY :
- getNextToken();
- castExpression();
- break;
- case TokenNamePLUS :
- getNextToken();
- castExpression();
- break;
- case TokenNameMINUS :
- getNextToken();
- castExpression();
- break;
- case TokenNameTWIDDLE :
- getNextToken();
- castExpression();
- break;
- case TokenNameNOT :
- getNextToken();
- castExpression();
- break;
- default :
- expr_without_variable();
+// private void variableList() {
+// do {
+// variable();
+// if (token == TokenNameCOMMA) {
+// getNextToken();
+// } else {
+// break;
+// }
+// } while (true);
+// }
+ private void variable_without_objects() {
+ // variable_without_objects:
+ // reference_variable
+ // | simple_indirect_reference reference_variable
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: variable_without_objects()");
}
- }
- private void castExpression() {
- // if (token == TokenNameARGOPEN) {
- // getNextToken();
- // typeName();
- // if (token != TokenNameARGCLOSE) {
- // throwSyntaxError(") expected after cast-expression.");
- // }
- // getNextToken();
- // }
- unaryExpression();
- }
- private void assignExpression() {
- castExpression();
- if (token == TokenNameEQUAL) { // =
- getNextToken();
- logicalinclusiveorExpression();
- } else if (token == TokenNameDOT_EQUAL) { // .=
- getNextToken();
- logicalinclusiveorExpression();
- } else if (token == TokenNameEQUAL_GREATER) { // =>
- getNextToken();
- logicalinclusiveorExpression();
- } else if (token == TokenNamePLUS_EQUAL) { // +=
- getNextToken();
- logicalinclusiveorExpression();
- } else if (token == TokenNameMINUS_EQUAL) { // -=
- getNextToken();
- logicalinclusiveorExpression();
- } else if (token == TokenNameMULTIPLY_EQUAL) { // *=
- getNextToken();
- logicalinclusiveorExpression();
- } else if (token == TokenNameDIVIDE_EQUAL) { // *=
+ while (token == TokenNameDOLLAR) {
getNextToken();
- logicalinclusiveorExpression();
- } else if (token == TokenNameREMAINDER_EQUAL) { // %=
- getNextToken();
- logicalinclusiveorExpression();
- } else if (token == TokenNameAND_EQUAL) { // &=
- getNextToken();
- logicalinclusiveorExpression();
- } else if (token == TokenNameOR_EQUAL) { // |=
- getNextToken();
- logicalinclusiveorExpression();
- } else if (token == TokenNameXOR_EQUAL) { // ^=
- getNextToken();
- logicalinclusiveorExpression();
- } else if (token == TokenNameLEFT_SHIFT_EQUAL) { // <<=
- getNextToken();
- logicalinclusiveorExpression();
- } else if (token == TokenNameRIGHT_SHIFT_EQUAL) { // >>=
- getNextToken();
- logicalinclusiveorExpression();
- } else if (token == TokenNameTWIDDLE_EQUAL) { // ~=
- getNextToken();
- logicalinclusiveorExpression();
}
- }
- private void multiplicativeExpression() {
- do {
- assignExpression();
- if (token != TokenNameMULTIPLY && token != TokenNameDIVIDE
- && token != TokenNameREMAINDER) {
- return;
- }
+ reference_variable();
+ }
+ private void function_call() {
+ // function_call:
+ // T_STRING '(' function_call_parameter_list ')'
+ //| class_constant '(' function_call_parameter_list ')'
+ //| static_member '(' function_call_parameter_list ')'
+ //| variable_without_objects '(' function_call_parameter_list ')'
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: function_call()");
+ }
+ if (token == TokenNameIdentifier) {
getNextToken();
- } while (true);
- }
- private void concatenationExpression() {
- do {
- multiplicativeExpression();
- if (token != TokenNameDOT) {
- return;
+ switch (token) {
+ case TokenNamePAAMAYIM_NEKUDOTAYIM :
+ // static member:
+ getNextToken();
+ if (token == TokenNameIdentifier) {
+ // class _constant
+ getNextToken();
+ } else {
+ // static member:
+ variable_without_objects();
+ }
+ break;
}
+ } else {
+ variable_without_objects();
+ }
+ if (token != TokenNameLPAREN) {
+ // TODO is this ok ?
+ return;
+ // throwSyntaxError("'(' expected in function call.");
+ }
+ getNextToken();
+ if (token == TokenNameRPAREN) {
getNextToken();
- } while (true);
+ return;
+ }
+ non_empty_function_call_parameter_list();
+ if (token != TokenNameRPAREN) {
+ throwSyntaxError("')' expected in function call.");
+ }
+ getNextToken();
}
- private void additiveExpression() {
- do {
- concatenationExpression();
- if (token != TokenNamePLUS && token != TokenNameMINUS) {
- return;
+ // private void function_call_parameter_list() {
+ // function_call_parameter_list:
+ // non_empty_function_call_parameter_list { $$ = $1; }
+ // | /* empty */
+ // }
+ private void non_empty_function_call_parameter_list() {
+ //non_empty_function_call_parameter_list:
+ // expr_without_variable
+ // | variable
+ // | '&' w_variable
+ // | non_empty_function_call_parameter_list ',' expr_without_variable
+ // | non_empty_function_call_parameter_list ',' variable
+ // | non_empty_function_call_parameter_list ',' '&' w_variable
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: non_empty_function_call_parameter_list()");
+ }
+ while (true) {
+ if (token == TokenNameAND) {
+ getNextToken();
+ w_variable();
+ } else {
+// if (token == TokenNameIdentifier || token == TokenNameVariable
+// || token == TokenNameDOLLAR) {
+// variable();
+// } else {
+ expr_without_variable(true);
+// }
}
- getNextToken();
- } while (true);
- }
- private void shiftExpression() {
- do {
- additiveExpression();
- if (token != TokenNameLEFT_SHIFT && token != TokenNameRIGHT_SHIFT) {
- return;
+ if (token != TokenNameCOMMA) {
+ break;
}
getNextToken();
- } while (true);
+ }
}
- private void relationalExpression() {
- do {
- shiftExpression();
- if (token != TokenNameLESS && token != TokenNameGREATER
- && token != TokenNameLESS_EQUAL && token != TokenNameGREATER_EQUAL) {
- return;
- }
+ private void fully_qualified_class_name() {
+ if (token == TokenNameIdentifier) {
getNextToken();
- } while (true);
+ } else {
+ throwSyntaxError("Class name expected.");
+ }
}
- private void identicalExpression() {
- do {
- relationalExpression();
- if (token != TokenNameEQUAL_EQUAL_EQUAL
- && token != TokenNameNOT_EQUAL_EQUAL) {
- return;
- }
+ private void static_member() {
+ // static_member:
+ // fully_qualified_class_name T_PAAMAYIM_NEKUDOTAYIM
+ // variable_without_objects
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: static_member()");
+ }
+ fully_qualified_class_name();
+ if (token != TokenNamePAAMAYIM_NEKUDOTAYIM) {
+ throwSyntaxError("'::' expected after class name (static_member).");
+ }
+ getNextToken();
+ variable_without_objects();
+ }
+ private void base_variable_with_function_calls() {
+ // base_variable_with_function_calls:
+ // base_variable
+ //| function_call
+ boolean functionCall = false;
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: base_variable_with_function_calls()");
+ }
+ if (token == TokenNameIdentifier) {
+ functionCall = true;
+ } else if (token == TokenNameVariable) {
+ int tempToken = token;
+ int tempPosition = scanner.currentPosition;
getNextToken();
- } while (true);
+ if (token == TokenNameLPAREN) {
+ functionCall = true;
+ }
+ token = tempToken;
+ scanner.currentPosition = tempPosition;
+ scanner.phpMode = true;
+ }
+ if (functionCall) {
+ function_call();
+ } else {
+ base_variable();
+ }
}
- private void equalityExpression() {
- do {
- identicalExpression();
- if (token != TokenNameEQUAL_EQUAL && token != TokenNameNOT_EQUAL) {
- return;
+ private void base_variable() {
+ // base_variable:
+ // reference_variable
+ // | simple_indirect_reference reference_variable
+ // | static_member
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: base_variable()");
+ }
+ if (token == TokenNameIdentifier) {
+ static_member();
+ } else {
+ while (token == TokenNameDOLLAR) {
+ getNextToken();
}
- getNextToken();
- } while (true);
+ reference_variable();
+ }
}
- private void ternaryExpression() {
- equalityExpression();
- if (token == TokenNameQUESTION) {
- getNextToken();
- expr();
- if (token == TokenNameCOLON) {
+ // private void simple_indirect_reference() {
+ // // simple_indirect_reference:
+ // // '$'
+ // //| simple_indirect_reference '$'
+ // }
+ private void reference_variable() {
+ // reference_variable:
+ // reference_variable '[' dim_offset ']'
+ // | reference_variable '{' expr '}'
+ // | compound_variable
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: reference_variable()");
+ }
+ compound_variable();
+ while (true) {
+ if (token == TokenNameLBRACE) {
getNextToken();
expr();
+ if (token != TokenNameRBRACE) {
+ throwSyntaxError("'}' expected in reference variable.");
+ }
+ getNextToken();
+ } else if (token == TokenNameLBRACKET) {
+ getNextToken();
+ if (token != TokenNameRBRACKET) {
+ expr();
+ // dim_offset();
+ if (token != TokenNameRBRACKET) {
+ throwSyntaxError("']' expected in reference variable.");
+ }
+ }
+ getNextToken();
} else {
- throwSyntaxError("':' expected in ternary operator '? :'.");
+ break;
}
}
}
- private void andExpression() {
- do {
- ternaryExpression();
- if (token != TokenNameAND) {
- return;
- }
- getNextToken();
- } while (true);
- }
- private void exclusiveorExpression() {
- do {
- andExpression();
- if (token != TokenNameXOR) {
- return;
- }
- getNextToken();
- } while (true);
- }
- private void inclusiveorExpression() {
- do {
- exclusiveorExpression();
- if (token != TokenNameOR) {
- return;
- }
- getNextToken();
- } while (true);
- }
- private void booleanandExpression() {
- do {
- inclusiveorExpression();
- if (token != TokenNameAND_AND) {
- return;
- }
- getNextToken();
- } while (true);
- }
- private void booleanorExpression() {
- do {
- booleanandExpression();
- if (token != TokenNameOR_OR) {
- return;
- }
+ private void compound_variable() {
+ // compound_variable:
+ // T_VARIABLE
+ // | '$' '{' expr '}'
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: compound_variable()");
+ }
+ if (token == TokenNameVariable) {
getNextToken();
- } while (true);
- }
- private void logicalandExpression() {
- do {
- booleanorExpression();
- if (token != TokenNameAND) {
- return;
+ } else {
+ // because of simple_indirect_reference
+ while (token == TokenNameDOLLAR) {
+ getNextToken();
}
- getNextToken();
- } while (true);
- }
- private void logicalexclusiveorExpression() {
- do {
- logicalandExpression();
- if (token != TokenNameXOR) {
- return;
+ if (token != TokenNameLBRACE) {
+ throwSyntaxError("'{' expected after compound variable token '$'.");
}
getNextToken();
- } while (true);
- }
- private void logicalinclusiveorExpression() {
- do {
- logicalexclusiveorExpression();
- if (token != TokenNameOR) {
- return;
+ expr();
+ if (token != TokenNameRBRACE) {
+ throwSyntaxError("'}' expected after compound variable token '$'.");
}
getNextToken();
- } while (true);
+ }
}
- // public void assignmentExpression() {
- // if (token == TokenNameVARIABLE) {
- // getNextToken();
- // if (token == TokenNameSET) {
- // getNextToken();
- // logicalinclusiveorExpression();
- // }
- // } else {
- // logicalinclusiveorExpression();
- // }
+ // private void dim_offset() {
+ // // dim_offset:
+ // // /* empty */
+ // // | expr
+ // expr();
// }
- private void variableList() {
- do {
- variable();
- if (token == TokenNameCOMMA) {
+ private void object_property() {
+ // object_property:
+ // object_dim_list
+ //| variable_without_objects
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: object_property()");
+ }
+ if (token == TokenNameVariable || token == TokenNameDOLLAR) {
+ variable_without_objects();
+ } else {
+ object_dim_list();
+ }
+ }
+ private void object_dim_list() {
+ //object_dim_list:
+ // object_dim_list '[' dim_offset ']'
+ //| object_dim_list '{' expr '}'
+ //| variable_name
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: object_dim_list()");
+ }
+ variable_name();
+ while (true) {
+ if (token == TokenNameLBRACE) {
+ getNextToken();
+ expr();
+ if (token != TokenNameRBRACE) {
+ throwSyntaxError("'}' expected in object_dim_list.");
+ }
+ getNextToken();
+ } else if (token == TokenNameLBRACKET) {
+ getNextToken();
+ if (token == TokenNameRBRACKET) {
+ getNextToken();
+ continue;
+ }
+ expr();
+ if (token != TokenNameRBRACKET) {
+ throwSyntaxError("']' expected in object_dim_list.");
+ }
getNextToken();
} else {
break;
}
- } while (true);
+ }
}
- private void variable() {
- if (token == TokenNameDOLLAR_LBRACE) {
+ private void variable_name() {
+ //variable_name:
+ // T_STRING
+ //| '{' expr '}'
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: variable_name()");
+ }
+ if (token == TokenNameIdentifier) {
+ getNextToken();
+ } else {
+ if (token != TokenNameLBRACE) {
+ throwSyntaxError("'{' expected in variable name.");
+ }
getNextToken();
expr();
- ;
if (token != TokenNameRBRACE) {
- throwSyntaxError("'}' expected after indirect variable token '${'.");
+ throwSyntaxError("'}' expected in variable name.");
}
+ }
+ }
+ private void r_variable() {
+ variable();
+ }
+ private void w_variable() {
+ variable();
+ }
+ private void rw_variable() {
+ variable();
+ }
+ private void variable() {
+ // variable:
+ // base_variable_with_function_calls T_OBJECT_OPERATOR
+ // object_property method_or_not variable_properties
+ // | base_variable_with_function_calls
+ base_variable_with_function_calls();
+ if (token == TokenNameMINUS_GREATER) {
+ getNextToken();
+ object_property();
+ method_or_not();
+ variable_properties();
+ }
+ // if (token == TokenNameDOLLAR_LBRACE) {
+ // getNextToken();
+ // expr();
+ // ;
+ // if (token != TokenNameRBRACE) {
+ // throwSyntaxError("'}' expected after indirect variable token '${'.");
+ // }
+ // getNextToken();
+ // } else {
+ // if (token == TokenNameVariable) {
+ // getNextToken();
+ // if (token == TokenNameLBRACKET) {
+ // getNextToken();
+ // expr();
+ // if (token != TokenNameRBRACKET) {
+ // throwSyntaxError("']' expected in variable-list.");
+ // }
+ // getNextToken();
+ // } else if (token == TokenNameEQUAL) {
+ // getNextToken();
+ // static_scalar();
+ // }
+ // } else {
+ // throwSyntaxError("$-variable expected in variable-list.");
+ // }
+ // }
+ }
+ private void variable_properties() {
+ // variable_properties:
+ // variable_properties variable_property
+ // | /* empty */
+ while (token == TokenNameMINUS_GREATER) {
+ variable_property();
+ }
+ }
+ private void variable_property() {
+ // variable_property:
+ // T_OBJECT_OPERATOR object_property method_or_not
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: variable_property()");
+ }
+ if (token == TokenNameMINUS_GREATER) {
getNextToken();
+ object_property();
+ method_or_not();
} else {
- if (token == TokenNameVariable) {
+ throwSyntaxError("'->' expected in variable_property.");
+ }
+ }
+ private void method_or_not() {
+ // method_or_not:
+ // '(' function_call_parameter_list ')'
+ // | /* empty */
+ if (Scanner.TRACE) {
+ System.out.println("TRACE: method_or_not()");
+ }
+ if (token == TokenNameLPAREN) {
+ getNextToken();
+ if (token == TokenNameRPAREN) {
getNextToken();
- if (token == TokenNameLBRACKET) {
- getNextToken();
- expr();
- if (token != TokenNameRBRACKET) {
- throwSyntaxError("']' expected in variable-list.");
- }
- getNextToken();
- } else if (token == TokenNameEQUAL) {
- getNextToken();
- static_scalar();
- }
- } else {
- throwSyntaxError("$-variable expected in variable-list.");
+ return;
+ }
+ non_empty_function_call_parameter_list();
+ if (token != TokenNameRPAREN) {
+ throwSyntaxError("')' expected in method_or_not.");
}
+ getNextToken();
}
}
private void exit_expr() {
}
return false;
}
+ private void scalar() {
+ // scalar:
+ // T_STRING
+ //| T_STRING_VARNAME
+ //| class_constant
+ //| common_scalar
+ //| '"' encaps_list '"'
+ //| '\'' encaps_list '\''
+ //| T_START_HEREDOC encaps_list T_END_HEREDOC
+ throwSyntaxError("Not yet implemented (scalar).");
+ }
private void static_scalar() {
// static_scalar: /* compile-time evaluated scalars */
// common_scalar
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