added method to create XSourcePosition by file, line and column

platform/xdebugger-api/src/com/intellij/xdebugger/XDebuggerUtil.java

@@ -81,6 +81,17 @@ public abstract class XDebuggerUtil {
   @Nullable
   public abstract XSourcePosition createPosition(@Nullable VirtualFile file, int line);
 
+  /**
+   * Create {@link XSourcePosition} instance by line and column number
+   *
+   * @param file   file
+   * @param line   0-based line number
+   * @param column 0-based column number
+   * @return source position
+   */
+  @Nullable
+  public abstract XSourcePosition createPosition(@Nullable VirtualFile file, int line, int column);
+
   /**
    * Create {@link XSourcePosition} instance by line number
    * @param file file

platform/xdebugger-impl/src/com/intellij/xdebugger/impl/XDebuggerUtilImpl.java

@@ -310,6 +310,12 @@ public class XDebuggerUtilImpl extends XDebuggerUtil {
     return XSourcePositionImpl.create(file, line);
   }
 
+  @Override
+  @Nullable
+  public XSourcePosition createPosition(final VirtualFile file, final int line, final int column) {
+    return XSourcePositionImpl.create(file, line, column);
+  }
+
   @Override
   @Nullable
   public XSourcePosition createPositionByOffset(final VirtualFile file, final int offset) {

platform/xdebugger-impl/src/com/intellij/xdebugger/impl/XSourcePositionImpl.java

@@ -99,6 +99,14 @@ public class XSourcePositionImpl implements XSourcePosition {
    */
   @Nullable
   public static XSourcePositionImpl create(@Nullable VirtualFile file, int line) {
+    return create(file, line, 0);
+  }
+
+  /**
+   * do not call this method from plugins, use {@link XDebuggerUtil#createPosition(VirtualFile, int, int)} instead
+   */
+  @Nullable
+  public static XSourcePositionImpl create(@Nullable VirtualFile file, int line, int column) {
     if (file == null) {
       return null;
     }
@@ -118,8 +126,15 @@ public class XSourcePositionImpl implements XSourcePosition {
         if (line < 0) {
           line = 0;
         }
+        if (column < 0) {
+          column = 0;
+        }
 
-        offset = line < document.getLineCount() ? document.getLineStartOffset(line) : -1;
+        offset = line < document.getLineCount() ? document.getLineStartOffset(line) + column : -1;
+
+        if (offset >= document.getTextLength()) {
+          offset = document.getTextLength() - 1;
+        }
       }
       return new XSourcePositionImpl(file, line, offset);
     }