Gabriel Petrovay has proposed merging 
lp:~zorba-coders/zorba/debugger_client_extras into lp:zorba.

Requested reviews:
  Gabriel Petrovay (gabipetrovay)
  David Graf (davidagraf)

For more details, see:
https://code.launchpad.net/~zorba-coders/zorba/debugger_client_extras/+merge/87817

Fixed libedit search on mac issue.
Added history support from libedit for UNIX platforms.

-- 
https://code.launchpad.net/~zorba-coders/zorba/debugger_client_extras/+merge/87817
Your team Zorba Coders is subscribed to branch lp:zorba.
=== modified file 'bin/CMakeLists.txt'
--- bin/CMakeLists.txt	2012-01-03 12:10:06 +0000
+++ bin/CMakeLists.txt	2012-01-06 21:21:33 +0000
@@ -21,10 +21,10 @@
     IF (LIBEDIT_FOUND)
       INCLUDE_DIRECTORIES (${LIBEDIT_INCLUDE_DIRS})
       SET (LIBEDIT_LIBS ${LIBEDIT_LIBRARIES})
+      SET (ZORBA_HAVE_LIBEDIT_H ${LIBEDIT_FOUND})
     ENDIF (LIBEDIT_FOUND)
   ENDIF (NOT WIN32)
 
-  CHECK_INCLUDE_FILES ("editline/readline.h" ZORBA_HAVE_READLINE_H)
   CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/debugger/config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/debugger/config.h)
   MESSAGE(STATUS "configured ${CMAKE_CURRENT_SOURCE_DIR}/debugger/config.h.cmake --> ${CMAKE_CURRENT_BINARY_DIR}/debugger/config.h")
   INCLUDE_DIRECTORIES (BEFORE ${CMAKE_CURRENT_BINARY_DIR}/debugger)

=== modified file 'bin/debugger/command_prompt.cpp'
--- bin/debugger/command_prompt.cpp	2011-12-19 19:16:32 +0000
+++ bin/debugger/command_prompt.cpp	2012-01-06 21:21:33 +0000
@@ -20,19 +20,40 @@
 #include <map>
 #include <iostream>
 
-#include "config.h"
-
-#ifdef ZORBA_HAVE_READLINE_H
-# include <editline/readline.h>
-#endif
-
 #include "command.h"
 
 
 namespace zorba { namespace debugger {
 
+#ifdef ZORBA_HAVE_LIBEDIT_H
+const char*
+prompt(EditLine* aEl) {
+  return "(xqdb) ";
+}
+#endif
+
+CommandPrompt::CommandPrompt()
+{
+#ifdef ZORBA_HAVE_LIBEDIT_H
+  theEditLine = el_init("xqdb", stdin, stdout, stderr);
+  theHistory = history_init();
+  HistEvent lHistoryEvent;
+  history(theHistory, &lHistoryEvent, H_SETSIZE, 100);
+
+  el_set(theEditLine, EL_PROMPT, prompt);
+
+  el_set(theEditLine, EL_HIST, history, theHistory);
+  el_set(theEditLine, EL_EDITOR, "emacs");
+#endif
+}
+
 CommandPrompt::~CommandPrompt()
 {
+#ifdef ZORBA_HAVE_LIBEDIT_H
+  history_end(theHistory);
+  el_end(theEditLine);
+#endif
+
   std::map<std::string, UntypedCommand*>::iterator lIter;
   for (lIter = theCommands.begin(); lIter != theCommands.end(); ++lIter) {
     delete lIter->second;
@@ -74,8 +95,11 @@
 CommandPrompt::execute()
 {
   for (;;) {
-#ifdef ZORBA_HAVE_READLINE_H
-    std::string lCommandLine(readline("(xqdb) "));
+#ifdef ZORBA_HAVE_LIBEDIT_H
+    const char* lBuf;
+    int lCharsRead = -1;
+    lBuf = el_gets(theEditLine, &lCharsRead);
+    std::string lCommandLine(lBuf, lCharsRead - 1);
 #else
     std::cout << "(xqdb) ";
     std::string lCommandLine;
@@ -94,6 +118,12 @@
         continue;
       }
     }
+#ifdef ZORBA_HAVE_LIBEDIT_H
+    else {
+      HistEvent lHistoryEvent;
+      history(theHistory, &lHistoryEvent, H_ENTER, lCommandLine.c_str());
+    }
+#endif
     theLastArgs = lArgs;
 
     UntypedCommand* lCommand = NULL;

=== modified file 'bin/debugger/command_prompt.h'
--- bin/debugger/command_prompt.h	2011-11-16 09:32:47 +0000
+++ bin/debugger/command_prompt.h	2012-01-06 21:21:33 +0000
@@ -21,6 +21,12 @@
 #include <map>
 #include <vector>
 
+#include "config.h"
+
+#ifdef ZORBA_HAVE_LIBEDIT_H
+# include <histedit.h>
+#endif
+
 
 namespace zorba { namespace debugger {
 
@@ -29,6 +35,7 @@
 class CommandPrompt
 {
   public:
+    CommandPrompt();
     ~CommandPrompt();
 
   public:
@@ -51,6 +58,11 @@
   private:
     std::map<std::string, UntypedCommand*>  theCommands;
     std::vector<std::string>                theLastArgs;
+
+#ifdef ZORBA_HAVE_LIBEDIT_H
+    EditLine*                               theEditLine;
+    History*                                theHistory;
+#endif
 };  
 
   

=== modified file 'bin/debugger/config.h.cmake'
--- bin/debugger/config.h.cmake	2011-12-19 19:16:32 +0000
+++ bin/debugger/config.h.cmake	2012-01-06 21:21:33 +0000
@@ -19,6 +19,6 @@
 #ifndef ZORBA_DEBUGGER_CONFIG_H
 #define ZORBA_DEBUGGER_CONFIG_H
 
-#cmakedefine ZORBA_HAVE_READLINE_H
+#cmakedefine ZORBA_HAVE_LIBEDIT_H
 
 #endif /* ZORBA_DEBUGGER_CONFIG_H */

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