this patch should filter G__* from the sources.


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Apply the change from static object to static ptr to G__FastAllocString (see r43630) to all the other functions


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also during the normal processing ... and not 'just' at the end of the process), make the 
static G__FastAllocString object in G__map_cpp_name a pointer instead (hence leaking 'just'
that string at the end of the process).   This avoid the crash reported in roottalk thread "ROOT 5.32.02 segs fault on q
uit" from 03/30/2012 02:18 PM by Chris Jones which was due to the static object in 
G__map_cpp_name being deleted _before_ the last use of the function (namely it was one
of the first object being delete by the 'exit' function).

Also increase the reservoir size of large buffers and make the reversoir sizes dependent on the value
of G__ONELINE.


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Do not delete strings during shutdown; we might not be the last destructor running. Works around issue reported in roottalk thread "ROOT 5.32.02 segs fault on quit" from 03/30/2012 02:18 PM by Chris Jones.


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Ignore the leading and trailing spaces from the meta commands
Still more to come - right now we don't handle properly the arguments of .x


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The issue is as follows:
If one omits the ; of a given statement at the prompt we attach in the AST a 
templated function which prints out the value. The function looks like for 
int p = 12
PrintValue((llvm::raw_ostream *)22345600UL, (clang::Expr *)23270416UL, (clang::ASTContext *)22594960UL, p);

We manually get the expression and put it as a last argument of the PrintValue
That is safe when we have storage of p. I.e p is an lvalue.

However we might have: gCling->createUniqueName(), which returns std::string
That is an rvalue, which doesn't have storage and its lifetime lasts until the
end of the current statement. However if we attach it to the PrintValue we have
to extend the lifetime of the argument to last until the new end of statement.
Otherwise the argument will be destroyed before we manage to print it out.
What we do in that case is move the expression annotating the termination of the
temporary up as root expression of PrintValue call.

Attach a regression test for the reported problem


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  * Use uintptr_t instead of long.
  * Add ASTNodeEraser to the cmake build system.


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to the end when we expect path or whatever. When we need it we can enforce 
stronger checks on the arguments of the parsed meta command.


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Change the welcome screen. We don't do C only and ctrl+D doesn't work :) And I wouldn't say it is prototype.


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Improve style and documentation.


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be conditionally requested.
Remove the warnings from the macros in cling::Value (to commit 41413)


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