From 1fa61832ade0e95fccc55d39790d1acf65464af5 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Fonseca?= <jose.r.fonseca@gmail.com>
Date: Sat, 5 Nov 2011 08:50:25 +0000
Subject: [PATCH] gui: Handle incomplete calls.

Should fix issue 48.
---
 gui/apitracecall.cpp | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/gui/apitracecall.cpp b/gui/apitracecall.cpp
index de5d020..5f2d976 100644
--- a/gui/apitracecall.cpp
+++ b/gui/apitracecall.cpp
@@ -101,6 +101,10 @@ plainTextToHTML(const QString & plain, bool multiLine)
 QString
 apiVariantToString(const QVariant &variant, bool multiLine)
 {
+    if (variant.isNull()) {
+        return QLatin1String("?");
+    }
+
     if (variant.userType() == QVariant::Double) {
         return QString::number(variant.toFloat());
     }
@@ -635,12 +639,16 @@ ApiTraceCall::ApiTraceCall(ApiTraceFrame *parentFrame,
     }
     m_argValues.reserve(call->args.size());
     for (int i = 0; i < call->args.size(); ++i) {
-        VariantVisitor argVisitor(loader);
-        call->args[i]->visit(argVisitor);
-        m_argValues.append(argVisitor.variant());
-        if (m_argValues[i].type() == QVariant::ByteArray) {
-            m_hasBinaryData = true;
-            m_binaryDataIndex = i;
+        if (call->args[i]) {
+            VariantVisitor argVisitor(loader);
+            call->args[i]->visit(argVisitor);
+            m_argValues.append(argVisitor.variant());
+            if (m_argValues[i].type() == QVariant::ByteArray) {
+                m_hasBinaryData = true;
+                m_binaryDataIndex = i;
+            }
+        } else {
+            m_argValues.append(QVariant());
         }
     }
     m_argValues.squeeze();
-- 
2.43.0