X-Git-Url: http://git.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPParser.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPParser.java
index e2f1dce..5848e7d 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPParser.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPParser.java
@@ -42,10 +42,11 @@ public class PHPParser extends PHPKeywords {
   final static int TT_EOF = 0;
   final static int TT_UNDEFINED = 1;
 
+  final static int TT_MOD = 30;
   final static int TT_NOT = 31;
   final static int TT_DOT = 32;
   final static int TT_POW = 33;
-  final static int TT_DIVIDE = 34;
+  final static int TT_DIV = 34;
   final static int TT_MULTIPLY = 35;
   final static int TT_SUBTRACT = 36;
   final static int TT_ADD = 37;
@@ -62,8 +63,12 @@ public class PHPParser extends PHPKeywords {
   final static int TT_DOTASSIGN = 48;
 
   final static int TT_SET = 49;
-
+  final static int TT_REF = 50;
   final static int TT_FOREACH = 51;
+  final static int TT_AMPERSAND = 52;
+  final static int TT_DOLLARLISTOPEN = 53;
+  final static int TT_TILDE = 54;
+
   final static int TT_ARGOPEN = 128;
   final static int TT_ARGCLOSE = 129;
   final static int TT_LISTOPEN = 130;
@@ -71,7 +76,7 @@ public class PHPParser extends PHPKeywords {
   final static int TT_PARTOPEN = 132;
   final static int TT_PARTCLOSE = 133;
   final static int TT_COMMA = 134;
-  final static int TT_PERCENT = 135;
+
   final static int TT_STRING = 136;
   final static int TT_IDENTIFIER = 138;
   final static int TT_DIGIT = 139;
@@ -89,6 +94,12 @@ public class PHPParser extends PHPKeywords {
   final static int TT_DOUBLE_NUMBER = 152;
   final static int TT_INTERPOLATED_STRING = 153;
   final static int TT_STRING_CONSTANT = 154;
+
+  final static int TT_LSHIFT = 155;
+  final static int TT_RSHIFT = 156;
+  final static int TT_EX_EQUAL = 157;
+  final static int TT_EX_UNEQUAL = 158;
+  final static int TT_LINE = 159;
   //  final static int TT_AT = 153; // @
   /**
    *  Class Constructor.
@@ -97,17 +108,17 @@ public class PHPParser extends PHPKeywords {
    *@param  sess  Description of Parameter
    *@see
    */
-  public PHPParser(String s, int rowCount) {
+  public PHPParser() {
     if (keywordMap == null) {
       keywordMap = new HashMap();
       for (int i = 0; i < PHP_KEYWORS.length; i++) {
         keywordMap.put(PHP_KEYWORS[i], new Integer(PHP_KEYWORD_TOKEN[i]));
       }
     }
-    this.str = s;
+    this.str = "";
     this.token = TT_EOF;
     this.chIndx = 0;
-    this.rowCount = rowCount;
+    this.rowCount = 1;
     this.columnCount = 0;
 
     getNextToken();
@@ -127,7 +138,7 @@ public class PHPParser extends PHPKeywords {
         break;
       }
     }
-    throw new SyntaxError(rowCount, chIndx - columnCount, str.substring(columnCount + 1, eol), error);
+    throw new SyntaxError(rowCount, chIndx - columnCount + 1, str.substring(columnCount, eol), error);
   }
 
   /**
@@ -182,9 +193,7 @@ public class PHPParser extends PHPKeywords {
               chIndx++;
               // multi line comment:
               while (str.length() > chIndx) {
-                if  (str.charAt(chIndx) == '*' &&
-                      (str.length() > (chIndx+1) ) && 
-                      str.charAt(chIndx+1) == '/') {
+                if (str.charAt(chIndx) == '*' && (str.length() > (chIndx + 1)) && str.charAt(chIndx + 1) == '/') {
                   chIndx += 2;
                   break;
                 }
@@ -201,40 +210,49 @@ public class PHPParser extends PHPKeywords {
           continue;
         } else if (ch == '"') {
           // read string until end
-          while ((str.length() > chIndx) && (str.charAt(chIndx++) != '"')) {
-            if (str.charAt(chIndx) == '\\') {
+          boolean openString = true;
+          while (str.length() > chIndx) {
+            ch = str.charAt(chIndx++);
+            if (ch == '\\') {
               if (str.length() > chIndx) {
-                chIndx++;
-              }
-              if (str.length() > chIndx) {
-                chIndx++;
+                ch = str.charAt(chIndx++);
               }
+            } else if (ch == '"') {
+              openString = false;
+              break;
             } else {
-              if (str.charAt(chIndx) == '\n') {
+              if (ch == '\n') {
                 rowCount++;
                 columnCount = chIndx;
               }
             }
           }
-          if (str.length() > chIndx) {
-            chIndx++;
+          if (openString) {
+            throwSyntaxError("Open string character '\"' at end of file.");
           }
           token = TT_INTERPOLATED_STRING;
           return;
         } else if (ch == '\'') {
           // read string until end
-          while ((str.length() > chIndx) && (str.charAt(chIndx++) != '\'')) {
-            if (str.charAt(chIndx) == '\\') {
+          boolean openString = true;
+          while (str.length() > chIndx) {
+            ch = str.charAt(chIndx++);
+            if (ch == '\\') {
               if (str.length() > chIndx) {
-                chIndx++;
+                ch = str.charAt(chIndx++);
               }
-              if (str.length() > chIndx) {
-                chIndx++;
+            } else if (ch == '\'') {
+              openString = false;
+              break;
+            } else {
+              if (ch == '\n') {
+                rowCount++;
+                columnCount = chIndx;
               }
             }
           }
-          if (str.length() > chIndx) {
-            chIndx++;
+          if (openString) {
+            throwSyntaxError("Open string character \"'\" at end of file.");
           }
           token = TT_STRING_CONSTANT;
           return;
@@ -270,7 +288,10 @@ public class PHPParser extends PHPKeywords {
             token = TT_COMMA;
 
             break;
+          case '~' :
+            token = TT_TILDE;
 
+            break;
           case '.' :
             token = TT_DOT;
             if (str.length() > chIndx) {
@@ -288,7 +309,7 @@ public class PHPParser extends PHPKeywords {
 
             break;
           case '%' :
-            token = TT_PERCENT;
+            token = TT_MOD;
 
             break;
           case ';' :
@@ -300,7 +321,7 @@ public class PHPParser extends PHPKeywords {
 
             break;
           case '/' :
-            token = TT_DIVIDE;
+            token = TT_DIV;
 
             if (str.length() > chIndx) {
               if (str.charAt(chIndx) == '=') {
@@ -362,6 +383,12 @@ public class PHPParser extends PHPKeywords {
 
                 break;
               }
+              if (str.charAt(chIndx) == '>') {
+                chIndx++;
+                token = TT_REF;
+
+                break;
+              }
             }
 
             break;
@@ -374,7 +401,14 @@ public class PHPParser extends PHPKeywords {
               if (ch == '=') {
                 chIndx++;
                 token = TT_EQUAL;
+                if (str.length() > chIndx) {
+                  ch = str.charAt(chIndx);
 
+                  if (ch == '=') {
+                    chIndx++;
+                    token = TT_EX_EQUAL;
+                  }
+                }
                 break;
               }
               if (ch == '>') {
@@ -393,7 +427,14 @@ public class PHPParser extends PHPKeywords {
               if (str.charAt(chIndx) == '=') {
                 chIndx++;
                 token = TT_UNEQUAL;
+                if (str.length() > chIndx) {
+                  ch = str.charAt(chIndx);
 
+                  if (ch == '=') {
+                    chIndx++;
+                    token = TT_EX_UNEQUAL;
+                  }
+                }
                 break;
               }
             }
@@ -409,6 +450,12 @@ public class PHPParser extends PHPKeywords {
 
                 break;
               }
+              if (str.charAt(chIndx) == '>') {
+                chIndx++;
+                token = TT_RSHIFT;
+
+                break;
+              }
             }
 
             break;
@@ -422,13 +469,22 @@ public class PHPParser extends PHPKeywords {
 
                 break;
               }
+              if (str.charAt(chIndx) == '<') {
+                chIndx++;
+                token = TT_LSHIFT;
+
+                break;
+              }
             }
 
             break;
 
           case '|' :
+            token = TT_LINE;
+
             if (str.length() > chIndx) {
-              if (str.charAt(chIndx++) == '|') {
+              if (str.charAt(chIndx) == '|') {
+                chIndx++;
                 token = TT_OR;
 
                 break;
@@ -438,10 +494,15 @@ public class PHPParser extends PHPKeywords {
             break;
           case '&' :
             if (str.length() > chIndx) {
-              if (str.charAt(chIndx++) == '&') {
+              if (str.charAt(chIndx) == '&') {
+                chIndx++;
                 token = TT_AND;
 
                 break;
+              } else {
+                token = TT_AMPERSAND;
+
+                break;
               }
             }
 
@@ -477,7 +538,6 @@ public class PHPParser extends PHPKeywords {
 
   void getIdentifier() {
     StringBuffer ident = new StringBuffer();
-    ident.append(ch);
 
     ident.append(ch);
     if (ch == '$') {
@@ -486,13 +546,14 @@ public class PHPParser extends PHPKeywords {
       token = TT_IDENTIFIER;
     }
     getChar();
-    while ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || (ch >= '0' && ch <= '9') || (ch >= '_')) {
+    while ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || (ch >= '0' && ch <= '9') || (ch == '_')) {
       ident.append(ch);
       getChar();
     }
     identifier = ident.toString();
+    chIndx--;
 
-    Integer i = (Integer) keywordMap.get(identifier);
+    Integer i = (Integer) keywordMap.get(identifier.toLowerCase());
     if (i != null) {
       token = i.intValue();
     }
@@ -565,8 +626,7 @@ public class PHPParser extends PHPKeywords {
         }
       }
     }
-
-    // token = TT_INT_NUMBER;
+    chIndx--;
 
     try {
       if (dFlag != ' ') {
@@ -584,7 +644,15 @@ public class PHPParser extends PHPKeywords {
     }
   }
 
-  public void start() throws SyntaxError {
+  public void start(String s, int rowCount) throws SyntaxError {
+    // start up
+    this.str = s;
+    this.token = TT_EOF;
+    this.chIndx = 0;
+    this.rowCount = rowCount;
+    this.columnCount = 0;
+    getNextToken();
+
     statementList();
     if (token != TT_EOF) {
       if (token == TT_ARGCLOSE) {
@@ -597,334 +665,632 @@ public class PHPParser extends PHPKeywords {
         throwSyntaxError("too many closing ']'; end-of-file not reached");
       }
 
+      if (token == TT_ARGOPEN) {
+        throwSyntaxError("read character '('; end-of-file not reached");
+      }
+      if (token == TT_LISTOPEN) {
+        throwSyntaxError("read character '{';  end-of-file not reached");
+      }
+      if (token == TT_PARTOPEN) {
+        throwSyntaxError("read character '[';  end-of-file not reached");
+      }
+
       throwSyntaxError("end-of-file not reached");
     }
 
   }
 
   public void statementList() {
-    statement();
+    do {
+      statement();
+      if ((token == TT_LISTCLOSE)
+        || (token == TT_case)
+        || (token == TT_default)
+        || (token == TT_elseif)
+        || (token == TT_endif)
+        || (token == TT_endfor)
+        || (token == TT_endforeach)
+        || (token == TT_endwhile)
+        || (token == TT_endswitch)
+        || (token == TT_EOF)) {
+        return;
+      }
+    } while (true);
+  }
+
+  public void compoundStatement() {
+    // '{' [statement-list] '}'
+    if (token == TT_LISTOPEN) {
+      getNextToken();
+    } else {
+      throwSyntaxError("'{' expected in compound-statement.");
+    }
+    if (token != TT_LISTCLOSE) {
+      statementList();
+    }
+    if (token == TT_LISTCLOSE) {
+      getNextToken();
+    } else {
+      throwSyntaxError("'}' expected in compound-statement.");
+    }
   }
 
   public void statement() {
-    while (token != TT_UNDEFINED) {
-      if (token > TT_KEYWORD) {
-        if (token == TT_case) {
+    if (token > TT_KEYWORD && token != TT_list) {
+      String keyword = identifier;
+      if (token == TT_include || token == TT_include_once) {
+        getNextToken();
+        expression();
+        if (token == TT_SEMICOLON) {
           getNextToken();
-          constant();
-          if (token == TT_DDOT) {
-            getNextToken();
-            statement();
-          } else {
-            throwSyntaxError("':' character after 'case' constant expected.");
-          }
-          return;
-        } else if (token == TT_default) {
+        } else {
+          throwSyntaxError("';' character after 'include' or 'include_once' expected.");
+        }
+        return;
+      } else if (token == TT_require || token == TT_require_once) {
+        getNextToken();
+        //constant();
+        expression();
+        if (token == TT_SEMICOLON) {
           getNextToken();
-          if (token == TT_DDOT) {
-            getNextToken();
-            statement();
-          } else {
-            throwSyntaxError("':' character after 'default' expected.");
-          }
-          return;
-        } else if (token == TT_include || token == TT_include_once) {
+        } else {
+          throwSyntaxError("';' character after 'require' or 'require_once' expected.");
+        }
+        return;
+      } else if (token == TT_if) {
+        getNextToken();
+        if (token == TT_ARGOPEN) {
+          getNextToken();
+        } else {
+          throwSyntaxError("'(' expected after 'if' keyword.");
+        }
+        expression();
+        if (token == TT_ARGCLOSE) {
+          getNextToken();
+        } else {
+          throwSyntaxError("')' expected after 'if' condition.");
+        }
+        ifStatement();
+        return;
+
+      } else if (token == TT_switch) {
+        getNextToken();
+        if (token == TT_ARGOPEN) {
+          getNextToken();
+        } else {
+          throwSyntaxError("'(' expected after 'switch' keyword.");
+        }
+        expression();
+        if (token == TT_ARGCLOSE) {
+          getNextToken();
+        } else {
+          throwSyntaxError("')' expected after 'switch' condition.");
+        }
+        switchStatement();
+        return;
+      } else if (token == TT_for) {
+        getNextToken();
+        if (token == TT_ARGOPEN) {
+          getNextToken();
+        } else {
+          throwSyntaxError("'(' expected after 'for' keyword.");
+        }
+        if (token == TT_SEMICOLON) {
           getNextToken();
+        } else {
           expression();
           if (token == TT_SEMICOLON) {
             getNextToken();
           } else {
-            throwSyntaxError("';' character after 'include' or 'include_once' expected.");
+            throwSyntaxError("';' character after 'for' expected.");
           }
-          return;
-        } else if (token == TT_require || token == TT_require_once) {
+        }
+        if (token == TT_SEMICOLON) {
           getNextToken();
-          constant();
+        } else {
+          expression();
           if (token == TT_SEMICOLON) {
             getNextToken();
           } else {
-            throwSyntaxError("';' character after 'require' or 'require_once' expected.");
+            throwSyntaxError("';' character after 'for' expected.");
           }
-          return;
-        } else if (token == TT_if) {
+        }
+        if (token == TT_ARGCLOSE) {
           getNextToken();
-          if (token == TT_ARGOPEN) {
-            getNextToken();
-          } else {
-            throwSyntaxError("'(' expected after 'if' keyword.");
-          }
+        } else {
           expression();
           if (token == TT_ARGCLOSE) {
             getNextToken();
           } else {
-            throwSyntaxError("')' expected after 'if' condition.");
+            throwSyntaxError("')' expected after 'for' condition.");
           }
-          ifStatement();
-          return;
-
-        } else if (token == TT_switch) {
+        }
+        forStatement();
+        return;
+      } else if (token == TT_while) {
+        getNextToken();
+        if (token == TT_ARGOPEN) {
           getNextToken();
-          if (token == TT_ARGOPEN) {
-            getNextToken();
-          } else {
-            throwSyntaxError("'(' expected after 'switch' keyword.");
-          }
-          expression();
-          if (token == TT_ARGCLOSE) {
-            getNextToken();
-          } else {
-            throwSyntaxError("')' expected after 'switch' condition.");
-          }
-          switchStatement();
-          return;
-        } else if (token == TT_for) {
+        } else {
+          throwSyntaxError("'(' expected after 'while' keyword.");
+        }
+        expression();
+        if (token == TT_ARGCLOSE) {
           getNextToken();
-          if (token == TT_ARGOPEN) {
-            getNextToken();
-          } else {
-            throwSyntaxError("'(' expected after 'for' keyword.");
-          }
-          if (token == TT_SEMICOLON) {
-            getNextToken();
-          } else {
-            expression();
-            if (token == TT_SEMICOLON) {
-              getNextToken();
-            } else {
-              throwSyntaxError("';' character after 'for' expected.");
-            }
-          }
-          if (token == TT_SEMICOLON) {
-            getNextToken();
-          } else {
-            expression();
-            if (token == TT_SEMICOLON) {
-              getNextToken();
-            } else {
-              throwSyntaxError("';' character after 'for' expected.");
-            }
-          }
-          if (token == TT_ARGCLOSE) {
-            getNextToken();
-          } else {
-            expression();
-            if (token == TT_ARGCLOSE) {
-              getNextToken();
-            } else {
-              throwSyntaxError("')' expected after 'for' condition.");
-            }
-          }
-          forStatement();
-          return;
-        } else if (token == TT_while) {
+        } else {
+          throwSyntaxError("')' expected after 'while' condition.");
+        }
+        whileStatement();
+        return;
+      } else if (token == TT_foreach) {
+        getNextToken();
+        if (token == TT_ARGOPEN) {
           getNextToken();
-          if (token == TT_ARGOPEN) {
-            getNextToken();
-          } else {
-            throwSyntaxError("'(' expected after 'while' keyword.");
-          }
-          expression();
-          if (token == TT_ARGCLOSE) {
-            getNextToken();
-          } else {
-            throwSyntaxError("')' expected after 'while' condition.");
-          }
-          whileStatement();
-          return;
-        } else if (token == TT_foreach) {
+        } else {
+          throwSyntaxError("'(' expected after 'foreach' keyword.");
+        }
+        expression();
+        if (token == TT_as) {
+          getNextToken();
+        } else {
+          throwSyntaxError("'as' expected after 'foreach' exxpression.");
+        }
+        variable();
+        if (token == TT_FOREACH) {
           getNextToken();
-          if (token == TT_ARGOPEN) {
-            getNextToken();
-          } else {
-            throwSyntaxError("'(' expected after 'foreach' keyword.");
-          }
-          expression();
-          if (token == TT_as) {
-            getNextToken();
-          } else {
-            throwSyntaxError("'as' expected after 'foreach' exxpression.");
-          }
           variable();
-          if (token == TT_FOREACH) {
-            getNextToken();
-            variable();
-          }
-          if (token == TT_ARGCLOSE) {
-            getNextToken();
-          } else {
-            throwSyntaxError("')' expected after 'foreach' expression.");
-          }
-          foreachStatement();
-          return;
-
-        } else if (token == TT_continue || token == TT_break || token == TT_return) {
+        }
+        if (token == TT_ARGCLOSE) {
           getNextToken();
-          if (token != TT_SEMICOLON) {
-            expression();
-          }
-          if (token == TT_SEMICOLON) {
-            getNextToken();
-          } else {
-            throwSyntaxError("';' expected after 'continue', 'break' or 'return'.");
-          }
-          return;
+        } else {
+          throwSyntaxError("')' expected after 'foreach' expression.");
+        }
+        foreachStatement();
+        return;
 
-        } else if (token == TT_echo) {
+      } else if (token == TT_continue || token == TT_break || token == TT_return) {
+        getNextToken();
+        if (token != TT_SEMICOLON) {
+          expression();
+        }
+        if (token == TT_SEMICOLON) {
           getNextToken();
-          expressionList();
-          if (token == TT_SEMICOLON) {
-            getNextToken();
-          } else {
-            throwSyntaxError("';' expected after 'echo' statement.");
-          }
-          return;
+        } else {
+          throwSyntaxError("';' expected after 'continue', 'break' or 'return'.");
+        }
+        return;
 
-        } else if (token == TT_print) {
+      } else if (token == TT_echo) {
+        getNextToken();
+        expressionList();
+        if (token == TT_SEMICOLON) {
           getNextToken();
-          expression();
-          if (token == TT_SEMICOLON) {
-            getNextToken();
-          } else {
-            throwSyntaxError("';' expected after 'print' statement.");
-          }
-          return;
+        } else {
+          throwSyntaxError("';' expected after 'echo' statement.");
+        }
+        return;
 
-        } else if (token == TT_global || token == TT_static) {
+      } else if (token == TT_print) {
+        getNextToken();
+        expression();
+        if (token == TT_SEMICOLON) {
           getNextToken();
-          variableList();
-          if (token == TT_SEMICOLON) {
-            getNextToken();
-          } else {
-            throwSyntaxError("';' expected after 'global' or 'static' statement.");
-          }
-          return;
+        } else {
+          throwSyntaxError("';' expected after 'print' statement.");
+        }
+        return;
 
-        } else if (token == TT_unset) {
+      } else if (token == TT_global || token == TT_static) {
+        getNextToken();
+        variableList();
+        if (token == TT_SEMICOLON) {
           getNextToken();
-          if (token == TT_ARGOPEN) {
-            getNextToken();
-          } else {
-            throwSyntaxError("'(' expected after 'unset' keyword.");
-          }
-          variableList();
-          if (token == TT_ARGCLOSE) {
-            getNextToken();
-          } else {
-            throwSyntaxError("')' expected after 'unset' statement.");
-          }
-          if (token == TT_SEMICOLON) {
-            getNextToken();
-          } else {
-            throwSyntaxError("';' expected after 'unset' statement.");
-          }
-          return;
+        } else {
+          throwSyntaxError("';' expected after 'global' or 'static' statement.");
+        }
+        return;
 
-        } else if (token == TT_exit || token == TT_die) {
+      } else if (token == TT_unset) {
+        getNextToken();
+        if (token == TT_ARGOPEN) {
           getNextToken();
-          if (token != TT_SEMICOLON) {
-            exitStatus();
-          }
-          if (token == TT_SEMICOLON) {
-            getNextToken();
-          } else {
-            throwSyntaxError("';' expected after 'exit' or 'die' statement.");
-          }
-          return;
-
-        } else if (token == TT_define) {
+        } else {
+          throwSyntaxError("'(' expected after 'unset' keyword.");
+        }
+        variableList();
+        if (token == TT_ARGCLOSE) {
           getNextToken();
-          if (token == TT_ARGOPEN) {
-            getNextToken();
-          } else {
-            throwSyntaxError("'(' expected after 'define' keyword.");
-          }
-          constant();
-          if (token == TT_COMMA) {
-            getNextToken();
-          } else {
-            throwSyntaxError("',' expected after first 'define' constant.");
-          }
-          constant();
-          if (token == TT_ARGCLOSE) {
-            getNextToken();
-          } else {
-            throwSyntaxError("')' expected after 'define' statement.");
-          }
-          if (token == TT_SEMICOLON) {
-            getNextToken();
-          } else {
-            throwSyntaxError("';' expected after 'define' statement.");
-          }
-          return;
+        } else {
+          throwSyntaxError("')' expected after 'unset' statement.");
+        }
+        if (token == TT_SEMICOLON) {
+          getNextToken();
+        } else {
+          throwSyntaxError("';' expected after 'unset' statement.");
+        }
+        return;
 
+      } else if (token == TT_exit || token == TT_die) {
+        getNextToken();
+        if (token != TT_SEMICOLON) {
+          exitStatus();
         }
+        if (token == TT_SEMICOLON) {
+          getNextToken();
+        } else {
+          throwSyntaxError("';' expected after 'exit' or 'die' statement.");
+        }
+        return;
 
-      } else {
-        if (token == TT_LISTOPEN) {
+      } else if (token == TT_define) {
+        getNextToken();
+        if (token == TT_ARGOPEN) {
           getNextToken();
-          statementList();
-          if (token == TT_LISTCLOSE) {
-            getNextToken();
-          } else {
-            throwSyntaxError("'}' expected.");
-          }
+        } else {
+          throwSyntaxError("'(' expected after 'define' keyword.");
+        }
+        constant();
+        if (token == TT_COMMA) {
+          getNextToken();
+        } else {
+          throwSyntaxError("',' expected after first 'define' constant.");
         }
+        constant();
+        if (token == TT_ARGCLOSE) {
+          getNextToken();
+        } else {
+          throwSyntaxError("')' expected after 'define' statement.");
+        }
+        if (token == TT_SEMICOLON) {
+          getNextToken();
+        } else {
+          throwSyntaxError("';' expected after 'define' statement.");
+        }
+        return;
+      } else if (token == TT_function) {
+        getNextToken();
+        functionDefinition();
+        return;
+      } else {
+        throwSyntaxError("Unexpected keyword '" + keyword + "'");
+      }
+
+    } else if (token == TT_LISTOPEN) {
+      // compundStatement
+      getNextToken();
+      if (token != TT_LISTCLOSE) {
+        statementList();
+      }
+      if (token == TT_LISTCLOSE) {
+        getNextToken();
+        return;
+      } else {
+        throwSyntaxError("'}' expected.");
+      }
+    } else {
+      if (token != TT_SEMICOLON) {
+        expression();
       }
-      expression();
       if (token == TT_SEMICOLON) {
         getNextToken();
+        return;
       } else {
         throwSyntaxError("';' expected after expression.");
       }
     }
-  }
 
-  public void labeledStatement() {
   }
 
-  public void expressionStatement() {
+  public void functionDefinition() {
+    functionDeclarator();
+    compoundStatement();
   }
 
-  public void inclusionStatement() {
+  public void functionDeclarator() {
+    //identifier '(' [parameter-list] ')'
+    if (token == TT_IDENTIFIER) {
+      getNextToken();
+      if (token == TT_ARGOPEN) {
+        getNextToken();
+      } else {
+        throwSyntaxError("'(' expected in function declaration.");
+      }
+      if (token != TT_ARGCLOSE) {
+        parameterList();
+      }
+      if (token != TT_ARGCLOSE) {
+        throwSyntaxError("')' expected in function declaration.");
+      } else {
+        getNextToken();
+      }
+    }
   }
-
-  public void compoundStatement() {
+  //
+  public void parameterList() {
+    //parameter-declaration
+    //parameter-list ',' parameter-declaration
+    do {
+      parameterDeclaration();
+      if (token != TT_COMMA) {
+        break;
+      }
+      getNextToken();
+    } while (true);
   }
 
-  public void selectionStatement() {
+  public void parameterDeclaration() {
+    //variable
+    //variable-reference
+    //variable '=' constant
+    if (token == TT_VARIABLE) {
+      getNextToken();
+      if (token == TT_SET) {
+        getNextToken();
+        constant();
+      }
+      return;
+    }
   }
 
-  public void iterationStatement() {
+  public void labeledStatementList() {
+    if (token != TT_case && token != TT_default) {
+      throwSyntaxError("'case' or 'default' expected.");
+    }
+    do {
+      if (token == TT_case) {
+        getNextToken();
+        constant();
+        if (token == TT_DDOT) {
+          getNextToken();
+          statementList();
+        } else {
+          throwSyntaxError("':' character after 'case' constant expected.");
+        }
+      } else { // TT_default 
+        getNextToken();
+        if (token == TT_DDOT) {
+          getNextToken();
+          statementList();
+        } else {
+          throwSyntaxError("':' character after 'default' expected.");
+        }
+      }
+    } while (token == TT_case || token == TT_default);
   }
 
-  public void jumpStatement() {
-  }
+  //  public void labeledStatement() {
+  //    if (token == TT_case) {
+  //      getNextToken();
+  //      constant();
+  //      if (token == TT_DDOT) {
+  //        getNextToken();
+  //        statement();
+  //      } else {
+  //        throwSyntaxError("':' character after 'case' constant expected.");
+  //      }
+  //      return;
+  //    } else if (token == TT_default) {
+  //      getNextToken();
+  //      if (token == TT_DDOT) {
+  //        getNextToken();
+  //        statement();
+  //      } else {
+  //        throwSyntaxError("':' character after 'default' expected.");
+  //      }
+  //      return;
+  //    }
+  //  }
 
-  public void outputStatement() {
+  public void expressionStatement() {
   }
 
-  public void scopeStatement() {
+  public void inclusionStatement() {
   }
 
-  public void flowStatement() {
-  }
+  //  public void compoundStatement() {
+  //  }
+
+  //  public void selectionStatement() {
+  //  }
+  //
+  //  public void iterationStatement() {
+  //  }
+  //
+  //  public void jumpStatement() {
+  //  }
+  //
+  //  public void outputStatement() {
+  //  }
+  //
+  //  public void scopeStatement() {
+  //  }
+  //
+  //  public void flowStatement() {
+  //  }
+  //
+  //  public void definitionStatement() {
+  //  }
+
+  public void ifStatement() {
+    // ':' statement-list [elseif-list] [else-colon-statement] 'endif' ';'
+    if (token == TT_DDOT) {
+      getNextToken();
+      statementList();
+      switch (token) {
+        case TT_else :
+          getNextToken();
+          if (token == TT_DDOT) {
+            getNextToken();
+            statementList();
+          } else {
+            if (token == TT_if) { //'else if'
+              getNextToken();
+              elseifStatementList();
+            } else {
+              throwSyntaxError("':' expected after 'else'.");
+            }
+          }
+          break;
+        case TT_elseif :
+          getNextToken();
+          elseifStatementList();
+          break;
+      }
 
-  public void definitionStatement() {
+      if (token != TT_endif) {
+        throwSyntaxError("'endif' expected.");
+      }
+      getNextToken();
+      if (token != TT_SEMICOLON) {
+        throwSyntaxError("';' expected after if-statement.");
+      }
+      getNextToken();
+    } else {
+      // statement [else-statement]
+      statement();
+      if (token == TT_elseif) {
+        getNextToken();
+        if (token == TT_ARGOPEN) {
+          getNextToken();
+        } else {
+          throwSyntaxError("'(' expected after 'elseif' keyword.");
+        }
+        expression();
+        if (token == TT_ARGCLOSE) {
+          getNextToken();
+        } else {
+          throwSyntaxError("')' expected after 'elseif' condition.");
+        }
+        ifStatement();
+      } else if (token == TT_else) {
+        getNextToken();
+        statement();
+      }
+    }
+  }
+  public void elseifStatementList() {
+    do {
+      elseifStatement();
+      switch (token) {
+        case TT_else :
+          getNextToken();
+          if (token == TT_DDOT) {
+            getNextToken();
+            statementList();
+            return;
+          } else {
+            if (token == TT_if) { //'else if'
+              getNextToken();
+            } else {
+              throwSyntaxError("':' expected after 'else'.");
+            }
+          }
+          break;
+        case TT_elseif :
+          getNextToken();
+          break;
+        default :
+          return;
+      }
+    } while (true);
   }
 
-  public void ifStatement() {
+  public void elseifStatement() {
+    if (token == TT_ARGOPEN) {
+      getNextToken();
+      expression();
+      if (token != TT_ARGOPEN) {
+        throwSyntaxError("')' expected in else-if-statement.");
+      }
+      getNextToken();
+      if (token != TT_DDOT) {
+        throwSyntaxError("':' expected in else-if-statement.");
+      }
+      getNextToken();
+      statementList();
+    }
   }
 
   public void switchStatement() {
+    if (token == TT_DDOT) {
+      // ':' [labeled-statement-list] 'endswitch' ';'
+      getNextToken();
+      labeledStatementList();
+      if (token != TT_endswitch) {
+        throwSyntaxError("'endswitch' expected.");
+      }
+      getNextToken();
+      if (token != TT_SEMICOLON) {
+        throwSyntaxError("';' expected after switch-statement.");
+      }
+      getNextToken();
+    } else {
+      // '{' [labeled-statement-list] '}'
+      if (token != TT_LISTOPEN) {
+        throwSyntaxError("'{' expected in switch statement.");
+      }
+      getNextToken();
+      if (token != TT_LISTCLOSE) {
+        labeledStatementList();
+      }
+      if (token != TT_LISTCLOSE) {
+        throwSyntaxError("'}' expected in switch statement.");
+      }
+      getNextToken();
+
+    }
   }
 
   public void forStatement() {
+    if (token == TT_DDOT) {
+      getNextToken();
+      statementList();
+      if (token != TT_endfor) {
+        throwSyntaxError("'endfor' expected.");
+      }
+      getNextToken();
+      if (token != TT_SEMICOLON) {
+        throwSyntaxError("';' expected after for-statement.");
+      }
+      getNextToken();
+    } else {
+      statement();
+    }
   }
 
   public void whileStatement() {
+    // ':' statement-list 'endwhile' ';'
+    if (token == TT_DDOT) {
+      getNextToken();
+      statementList();
+      if (token != TT_endwhile) {
+        throwSyntaxError("'endwhile' expected.");
+      }
+      getNextToken();
+      if (token != TT_SEMICOLON) {
+        throwSyntaxError("';' expected after while-statement.");
+      }
+      getNextToken();
+    } else {
+      statement();
+    }
   }
 
   public void foreachStatement() {
+    if (token == TT_DDOT) {
+      getNextToken();
+      statementList();
+      if (token != TT_endforeach) {
+        throwSyntaxError("'endforeach' expected.");
+      }
+      getNextToken();
+      if (token != TT_SEMICOLON) {
+        throwSyntaxError("';' expected after foreach-statement.");
+      }
+      getNextToken();
+    } else {
+      statement();
+    }
   }
 
   public void exitStatus() {
@@ -955,20 +1321,418 @@ public class PHPParser extends PHPKeywords {
   }
 
   public void expression() {
-    if (token == TT_STRING_CONSTANT || token == TT_INTERPOLATED_STRING) {
+    //    if (token == TT_STRING_CONSTANT || token == TT_INTERPOLATED_STRING) {
+    //      getNextToken();
+    //    } else {
+    logicalinclusiveorExpression();
+    //      while (token != TT_SEMICOLON) {
+    //        getNextToken();
+    //      //      }
+    //    }
+  }
+
+  public void postfixExpression() {
+    String ident;
+    boolean castFlag = false;
+    switch (token) {
+      case TT_STRING_CONSTANT :
+        getNextToken();
+        break;
+      case TT_INTERPOLATED_STRING :
+        getNextToken();
+        break;
+      case TT_ARGOPEN :
+        getNextToken();
+        if (token == TT_IDENTIFIER) {
+          // check if identifier is a type:
+          ident = identifier;
+          String str = identifier.toLowerCase();
+          for (int i = 0; i < PHP_TYPES.length; i++) {
+            if (PHP_TYPES[i].equals(str)) {
+              castFlag = true;
+              break;
+            }
+          }
+          if (castFlag) {
+            getNextToken();
+            if (token != TT_ARGCLOSE) {
+              throwSyntaxError(") expected after cast-type '" + ident + "'.");
+            }
+            getNextToken();
+            expression();
+            break;
+          }
+        }
+        if (!castFlag) {
+          expression();
+        }
+        if (token != TT_ARGCLOSE) {
+          throwSyntaxError(") expected in postfix-expression.");
+        }
+        getNextToken();
+        break;
+      case TT_DOUBLE_NUMBER :
+        getNextToken();
+        break;
+      case TT_INT_NUMBER :
+        getNextToken();
+        break;
+      case TT_VARIABLE :
+        ident = identifier;
+        getNextToken();
+        if (token == TT_LISTOPEN) {
+          getNextToken();
+          expression();
+          if (token != TT_LISTCLOSE) {
+            throwSyntaxError("'}' expected after variable '" + ident + "' in variable-expression.");
+          }
+          getNextToken();
+        }
+        break;
+      case TT_IDENTIFIER :
+        ident = identifier;
+        getNextToken();
+        if (token == TT_ARGOPEN) {
+          getNextToken();
+          if (token != TT_ARGCLOSE) {
+            expressionList();
+            if (token != TT_ARGCLOSE) {
+              throwSyntaxError("')' expected after identifier '" + ident + "' in postfix-expression.");
+            }
+          }
+          getNextToken();
+        }
+        break;
+      case TT_list :
+        getNextToken();
+        if (token == TT_ARGOPEN) {
+          getNextToken();
+          if (token == TT_COMMA) {
+            getNextToken();
+          }
+          expressionList();
+          if (token != TT_ARGCLOSE) {
+            throwSyntaxError("')' expected after 'list' keyword.");
+          }
+          getNextToken();
+          //          if (token == TT_SET) {
+          //            getNextToken();
+          //            logicalinclusiveorExpression();
+          //          }
+        } else {
+          throwSyntaxError("'(' expected after 'list' keyword.");
+        }
+        break;
+        //      case TT_array :
+        //        getNextToken();
+        //        if (token == TT_ARGOPEN) {
+        //          getNextToken();
+        //          if (token == TT_COMMA) {
+        //            getNextToken();
+        //          }
+        //          expressionList();
+        //          if (token != TT_ARGCLOSE) {
+        //            throwSyntaxError("')' expected after 'list' keyword.");
+        //          }
+        //          getNextToken();
+        //          if (token == TT_SET) {
+        //            getNextToken();
+        //            logicalinclusiveorExpression();
+        //          }
+        //        } else {
+        //          throwSyntaxError("'(' expected after 'list' keyword.");
+        //        }
+        //        break;
+    }
+    boolean while_flag = true;
+    do {
+      switch (token) {
+        case TT_PARTOPEN :
+          getNextToken();
+          expression();
+          if (token != TT_PARTCLOSE) {
+            throwSyntaxError("] expected in postfix-expression.");
+          }
+          getNextToken();
+          break;
+        case TT_REF : // ->
+          switch (token) {
+            case TT_VARIABLE :
+              getNextToken();
+              break;
+            case TT_IDENTIFIER :
+              getNextToken();
+              break;
+            case TT_LISTOPEN :
+              getNextToken();
+              expression();
+              if (token != TT_LISTCLOSE) {
+                throwSyntaxError("} expected in postfix-expression.");
+              }
+              getNextToken();
+              break;
+            default :
+              throwSyntaxError("Syntax error after '->' token.");
+          }
+        case TT_INCREMENT :
+          getNextToken();
+          break;
+        case TT_DECREMENT :
+          getNextToken();
+          break;
+        default :
+          while_flag = false;
+      }
+    } while (while_flag);
+  }
+
+  public void unaryExpression() {
+    switch (token) {
+      case TT_INCREMENT :
+        getNextToken();
+        unaryExpression();
+        break;
+      case TT_DECREMENT :
+        getNextToken();
+        unaryExpression();
+        break;
+        //'&' '*' '+' '-' '~' '!' 
+      case TT_AMPERSAND :
+        getNextToken();
+        castExpression();
+        break;
+      case TT_MULTIPLY :
+        getNextToken();
+        castExpression();
+        break;
+      case TT_ADD :
+        getNextToken();
+        castExpression();
+        break;
+      case TT_SUBTRACT :
+        getNextToken();
+        castExpression();
+        break;
+      case TT_TILDE :
+        getNextToken();
+        castExpression();
+        break;
+      case TT_NOT :
+        getNextToken();
+        castExpression();
+        break;
+      default :
+        postfixExpression();
+    }
+  }
+
+  public void castExpression() {
+    //    if (token == TT_ARGOPEN) {
+    //      getNextToken();
+    //      typeName();
+    //      if (token != TT_ARGCLOSE) {
+    //        throwSyntaxError(") expected after cast-expression.");
+    //      }
+    //      getNextToken();
+    //    }
+    unaryExpression();
+  }
+
+  public void typeName() {
+    //'string' 'unset' 'array' 'object'
+    //'bool' 'boolean'
+    //'real' 'double' 'float'
+    //'int' 'integer'
+    String ident = "";
+    if (token == TT_IDENTIFIER) {
+      ident = identifier;
+      String str = identifier.toLowerCase();
       getNextToken();
-    } else {
-      postfixExpression();
-      //      while (token != TT_SEMICOLON) {
-      //        getNextToken();
-      //      }
+      for (int i = 0; i < PHP_TYPES.length; i++) {
+        if (PHP_TYPES[i].equals(str)) {
+          return;
+        }
+      }
     }
+    throwSyntaxError("Expected type cast '( <type-name> )'; Got '" + ident + "'.");
   }
 
-  public void postfixExpression() {
+  public void assignExpression() {
+    castExpression();
+    if (token == TT_SET) { // =
+      getNextToken();
+      logicalinclusiveorExpression();
+    } else if (token == TT_DOTASSIGN) { // .=
+      getNextToken();
+      logicalinclusiveorExpression();
+    } else if (token == TT_FOREACH) { // =>
+      getNextToken();
+      logicalinclusiveorExpression();
+    }
+  }
+
+  public void multiplicativeExpression() {
+    do {
+      assignExpression();
+      if (token != TT_MULTIPLY && token != TT_DIV && token != TT_MOD) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
+
+  public void concatenationExpression() {
+    do {
+      multiplicativeExpression();
+      if (token != TT_DOT) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
 
+  public void additiveExpression() {
+    do {
+      concatenationExpression();
+      if (token != TT_ADD && token != TT_SUBTRACT) {
+        return;
+      }
+      getNextToken();
+    } while (true);
   }
 
+  public void shiftExpression() {
+    do {
+      additiveExpression();
+      if (token != TT_LSHIFT && token != TT_RSHIFT) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
+
+  public void relationalExpression() {
+    do {
+      shiftExpression();
+      if (token != TT_LESS && token != TT_GREATER && token != TT_LESSEQUAL && token != TT_GREATEREQUAL) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
+
+  public void identicalExpression() {
+    do {
+      relationalExpression();
+      if (token != TT_EX_EQUAL && token != TT_EX_UNEQUAL) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
+
+  public void equalityExpression() {
+    do {
+      identicalExpression();
+      if (token != TT_EQUAL && token != TT_UNEQUAL) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
+
+  public void andExpression() {
+    do {
+      equalityExpression();
+      if (token != TT_AMPERSAND) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
+
+  public void exclusiveorExpression() {
+    do {
+      andExpression();
+      if (token != TT_POW) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
+
+  public void inclusiveorExpression() {
+    do {
+      exclusiveorExpression();
+      if (token != TT_LINE) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
+
+  public void booleanandExpression() {
+    do {
+      inclusiveorExpression();
+      if (token != TT_AND) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
+
+  public void booleanorExpression() {
+    do {
+      booleanandExpression();
+      if (token != TT_OR) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
+
+  public void logicalandExpression() {
+    do {
+      booleanorExpression();
+      if (token != TT_and) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
+
+  public void logicalexclusiveorExpression() {
+    do {
+      logicalandExpression();
+      if (token != TT_xor) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
+
+  public void logicalinclusiveorExpression() {
+    do {
+      logicalexclusiveorExpression();
+      if (token != TT_or) {
+        return;
+      }
+      getNextToken();
+    } while (true);
+  }
+
+  //  public void assignmentExpression() {
+  //    if (token == TT_VARIABLE) {
+  //      getNextToken();
+  //      if (token == TT_SET) {
+  //        getNextToken();
+  //        logicalinclusiveorExpression();
+  //      }
+  //    } else {
+  //      logicalinclusiveorExpression();
+  //    }
+  //  }
+
   public void variableList() {
     do {
       variable();
@@ -989,6 +1753,22 @@ public class PHPParser extends PHPKeywords {
   }
 
   public void constant() {
-
+    switch (token) {
+      case TT_STRING_CONSTANT :
+        getNextToken();
+        break;
+      case TT_INTERPOLATED_STRING :
+        getNextToken();
+        break;
+      case TT_DOUBLE_NUMBER :
+        getNextToken();
+        break;
+      case TT_INT_NUMBER :
+        getNextToken();
+        break;
+      default :
+        throwSyntaxError("Constant expected.");
+    }
   }
+
 }
\ No newline at end of file