From 8950121d011a32cdaf48d847d7dcd6db757fd6e9 Mon Sep 17 00:00:00 2001
From: Alexey Andreev <konsoletyper@gmail.com>
Date: Tue, 20 Jan 2015 18:45:20 +0400
Subject: [PATCH] Fix bug with source maps generator

---
 .../org/teavm/debugging/information/ExactMethodIterator.java  | 4 +++-
 .../teavm/debugging/information/SourceLocationIterator.java   | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/teavm-core/src/main/java/org/teavm/debugging/information/ExactMethodIterator.java b/teavm-core/src/main/java/org/teavm/debugging/information/ExactMethodIterator.java
index 18a6e1e21..4bffca6b6 100644
--- a/teavm-core/src/main/java/org/teavm/debugging/information/ExactMethodIterator.java
+++ b/teavm-core/src/main/java/org/teavm/debugging/information/ExactMethodIterator.java
@@ -33,7 +33,9 @@ public class ExactMethodIterator {
 
     ExactMethodIterator(DebugInformation debugInformation) {
         this.debugInformation = debugInformation;
-        read();
+        if (!isEndReached()) {
+            read();
+        }
     }
 
     public boolean isEndReached() {
diff --git a/teavm-core/src/main/java/org/teavm/debugging/information/SourceLocationIterator.java b/teavm-core/src/main/java/org/teavm/debugging/information/SourceLocationIterator.java
index db1af520a..2699fe4aa 100644
--- a/teavm-core/src/main/java/org/teavm/debugging/information/SourceLocationIterator.java
+++ b/teavm-core/src/main/java/org/teavm/debugging/information/SourceLocationIterator.java
@@ -31,7 +31,9 @@ public class SourceLocationIterator {
 
     SourceLocationIterator(DebugInformation debugInformation) {
         this.debugInformation = debugInformation;
-        read();
+        if (!isEndReached()) {
+            read();
+        }
     }
 
     public boolean isEndReached() {