1 files changed, 26 insertions, 0 deletions
diff --git a/src/org/jetbrains/java/decompiler/main/collectors/BytecodeMappingTracer.java b/src/org/jetbrains/java/decompiler/main/collectors/BytecodeMappingTracer.java
new file mode 100644
index 0000000..2b60f7e
--- /dev/null
+++ b/src/org/jetbrains/java/decompiler/main/collectors/BytecodeMappingTracer.java
@@ -0,0 +1,26 @@
+package org.jetbrains.java.decompiler.main.collectors;
+
+import java.util.HashMap;
+
+public class BytecodeMappingTracer {
+
+  private int current_sourceline;
+  
+  // bytecode offset, source line
+  private HashMap<Integer, Integer> mapping;
+  
+  public void incrementSourceLine() {
+    current_sourceline++;
+  }
+  
+  public void addMapping(int bytecode_offset) {
+    if(!mapping.containsKey(bytecode_offset)) {
+      mapping.put(bytecode_offset, current_sourceline);
+    }
+  }
+
+  public HashMap<Integer, Integer> getMapping() {
+    return mapping;
+  }  
+  
+}