Reflow paragraphs in comments.

This is intended as a clean up after the big clang-format commit
(r280751), which unfortunately resulted in many of the comment
paragraphs in LLDB being very hard to read.

FYI, the script I used was:

import textwrap
import commands
import os
import sys
import re
tmp = "%s.tmp"%sys.argv[1]
out = open(tmp, "w+")
with open(sys.argv[1], "r") as f:
  header = ""
  text = ""
  comment = re.compile(r'^( *//) ([^ ].*)$')
  special = re.compile(r'^((([A-Z]+[: ])|([0-9]+ )).*)|(.*;)$')
  for line in f:
      match = comment.match(line)
      if match and not special.match(match.group(2)):
          # skip intentionally short comments.
          if not text and len(match.group(2)) < 40:
              out.write(line)
              continue

          if text:
              text += " " + match.group(2)
          else:
              header = match.group(1)
              text = match.group(2)

          continue

      if text:
          filled = textwrap.wrap(text, width=(78-len(header)),
                                 break_long_words=False)
          for l in filled:
              out.write(header+" "+l+'\n')
              text = ""

      out.write(line)

os.rename(tmp, sys.argv[1])

Differential Revision: https://reviews.llvm.org/D46144

llvm-svn: 331197
diff --git a/lldb/source/Target/ThreadPlanCallOnFunctionExit.cpp b/lldb/source/Target/ThreadPlanCallOnFunctionExit.cpp
index 0dae98f..e8ea73f 100644
--- a/lldb/source/Target/ThreadPlanCallOnFunctionExit.cpp
+++ b/lldb/source/Target/ThreadPlanCallOnFunctionExit.cpp
@@ -23,8 +23,8 @@
 }
 
 void ThreadPlanCallOnFunctionExit::DidPush() {
-  // We now want to queue the "step out" thread plan so it executes
-  // and completes.
+  // We now want to queue the "step out" thread plan so it executes and
+  // completes.
 
   // Set stop vote to eVoteNo.
   m_step_out_threadplan_sp = GetThread().QueueThreadPlanForStepOut(
@@ -59,9 +59,9 @@
 }
 
 bool ThreadPlanCallOnFunctionExit::ShouldStop(Event *event_ptr) {
-  // If this is where we find out that an internal stop came in, then:
-  // Check if the step-out plan completed.  If it did, then we want to
-  // run the callback here (our reason for living...)
+  // If this is where we find out that an internal stop came in, then: Check if
+  // the step-out plan completed.  If it did, then we want to run the callback
+  // here (our reason for living...)
   if (m_step_out_threadplan_sp && m_step_out_threadplan_sp->IsPlanComplete()) {
     m_callback();
 
@@ -71,8 +71,8 @@
     // Indicate that this plan is done and can be discarded.
     SetPlanComplete();
 
-    // We're done now, but we want to return false so that we
-    // don't cause the thread to really stop.
+    // We're done now, but we want to return false so that we don't cause the
+    // thread to really stop.
   }
 
   return false;
@@ -80,21 +80,20 @@
 
 bool ThreadPlanCallOnFunctionExit::WillStop() {
   // The code looks like the return value is ignored via ThreadList::
-  // ShouldStop().
-  // This is called when we really are going to stop.  We don't care
-  // and don't need to do anything here.
+  // ShouldStop(). This is called when we really are going to stop.  We don't
+  // care and don't need to do anything here.
   return false;
 }
 
 bool ThreadPlanCallOnFunctionExit::DoPlanExplainsStop(Event *event_ptr) {
-  // We don't ever explain a stop.  The only stop that is relevant
-  // to us directly is the step_out plan we added to do the heavy lifting
-  // of getting us past the current method.
+  // We don't ever explain a stop.  The only stop that is relevant to us
+  // directly is the step_out plan we added to do the heavy lifting of getting
+  // us past the current method.
   return false;
 }
 
 lldb::StateType ThreadPlanCallOnFunctionExit::GetPlanRunState() {
-  // This value doesn't matter - we'll never be the top thread plan, so
-  // nobody will ask us this question.
+  // This value doesn't matter - we'll never be the top thread plan, so nobody
+  // will ask us this question.
   return eStateRunning;
 }