Fixed bugs item #1240435

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / php / PHPCodeScanner.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCodeScanner.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCodeScanner.java
index be00721..9ad50d5 100644 (file)
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCodeScanner.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCodeScanner.java
@@ -22,8 +22,6 @@ import net.sourceforge.phpeclipse.phpeditor.util.PHPWhitespaceDetector;
 import net.sourceforge.phpeclipse.phpeditor.util.PHPWordDetector;
 
 import org.eclipse.jface.preference.IPreferenceStore;
-import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.rules.EndOfLineRule;
 import org.eclipse.jface.text.rules.ICharacterScanner;
 import org.eclipse.jface.text.rules.IRule;
 import org.eclipse.jface.text.rules.IToken;
@@ -181,7 +179,7 @@ public class PHPCodeScanner extends AbstractJavaScanner {
 
       if (character == '`') {
 
-        while (true) {
+        while (character != ICharacterScanner.EOF) {
           character = scanner.read();
           if (character == '\\') {
             character = scanner.read();
@@ -189,7 +187,8 @@ public class PHPCodeScanner extends AbstractJavaScanner {
             return fToken;
           }
         }
-
+        scanner.unread();
+        return Token.UNDEFINED;
       } else {
         scanner.unread();
         return Token.UNDEFINED;
@@ -212,6 +211,7 @@ public class PHPCodeScanner extends AbstractJavaScanner {
     public IToken evaluate(ICharacterScanner scanner) {
       int c = scanner.read();
       boolean isVariable = false;
+      boolean isUnderscore = false;
       if (c == '<') {
         c = scanner.read();
         if (c != '?') {
@@ -262,13 +262,21 @@ public class PHPCodeScanner extends AbstractJavaScanner {
         if (fColumn == UNDEFINED || (fColumn == scanner.getColumn() - 1)) {
 
           fBuffer.setLength(0);
-          do {
-            fBuffer.append((char) c);
+          fBuffer.append((char) c);
+          c = scanner.read();
+          if (c == '_') {
+            isUnderscore = true;
+          }
+          while (c != ICharacterScanner.EOF && fDetector.isWordPart((char) c)) {
+               fBuffer.append((char) c);
             c = scanner.read();
-          } while (c != ICharacterScanner.EOF && fDetector.isWordPart((char) c));
+          }
           scanner.unread();
 
           if (isVariable) {
+               if (isUnderscore) {
+                       return getToken(IPreferenceConstants.PHP_VARIABLE_DOLLAR);
+               }
             return getToken(IPreferenceConstants.PHP_VARIABLE);
           }
           IToken token = (IToken) fWords.get(fBuffer.toString());
@@ -296,6 +304,7 @@ public class PHPCodeScanner extends AbstractJavaScanner {
       IPreferenceConstants.PHP_KEYWORD,
       IPreferenceConstants.PHP_FUNCTIONNAME,
       IPreferenceConstants.PHP_VARIABLE,
+      IPreferenceConstants.PHP_VARIABLE_DOLLAR,
       IPreferenceConstants.PHP_STRING_DQ,
       IPreferenceConstants.PHP_STRING_SQ,
       IPreferenceConstants.PHP_TYPE,