无JIRA任务，sonar问题修复

designer-base/src/main/java/com/fr/design/gui/syntax/ui/rsyntaxtextarea/SyntaxView.java

@@ -656,7 +656,7 @@ public class SyntaxView extends View implements TabExpander,
 		if (tabSize == 0)
 			return x;
 		int ntabs = (((int) x) - tabBase) / tabSize;
-		return tabBase + ((ntabs + 1) * tabSize);
+		return (float) (tabBase + ((ntabs + 1) * tabSize));
 	}
 
 

designer-base/src/main/java/com/fr/design/gui/syntax/ui/rsyntaxtextarea/TokenIterator.java

@@ -9,6 +9,7 @@
 package com.fr.design.gui.syntax.ui.rsyntaxtextarea;
 
 import java.util.Iterator;
+import java.util.NoSuchElementException;
 
 
 /**
@@ -73,6 +74,9 @@ class TokenIterator implements Iterator<Token> {
 				token = null;
 			}
 		}
+		else {
+			throw new NoSuchElementException();
+		}
 		return t;
 	}
 

designer-base/src/main/java/com/fr/design/gui/syntax/ui/rsyntaxtextarea/WrappedSyntaxView.java

@@ -268,7 +268,7 @@ public class WrappedSyntaxView extends BoxView implements TabExpander,
 		if (host.getEOLMarkersVisible()) {
 			g.setColor(host.getForegroundForTokenType(Token.WHITESPACE));
 			g.setFont(host.getFontForTokenType(Token.WHITESPACE));
-			g.drawString("\u00B6", x, y-fontHeight);
+			g.drawString("\u00B6", x, (float) (y-fontHeight));
 		}
 
 	}
@@ -458,7 +458,7 @@ public class WrappedSyntaxView extends BoxView implements TabExpander,
 		if (host.getEOLMarkersVisible()) {
 			g.setColor(host.getForegroundForTokenType(Token.WHITESPACE));
 			g.setFont(host.getFontForTokenType(Token.WHITESPACE));
-			g.drawString("\u00B6", x, y-fontHeight);
+			g.drawString("\u00B6", x, (float) (y-fontHeight));
 		}
 
 	}
@@ -841,10 +841,11 @@ public class WrappedSyntaxView extends BoxView implements TabExpander,
 	 * @return the tab stop, measured in points >= 0
 	 */
 	public float nextTabStop(float x, int tabOffset) {
-		if (tabSize == 0)
+		if (tabSize == 0) {
 			return x;
+		}
 		int ntabs = ((int) x - tabBase) / tabSize;
-		return tabBase + ((ntabs + 1) * tabSize);
+		return (float) (tabBase + ((ntabs + 1) * tabSize));
 	}