[Lilypond-auto] Issue 3667 in lilypond: syntax error in `midi2ly --preview' output

[lilypond]

Status: Accepted
Owner: ----
Labels: Type-Scripts

New issue 3667 by address@hidden: syntax error in `midi2ly  
--preview' output
http://code.google.com/p/lilypond/issues/detail?id=3667

[release/2.17.30-1-1-gcb421d6]

Trying this input file

  http://www2.cpdl.org/wiki/images/a/a0/Perotin_Viderunt_Omnes_Sib5.mid

with

  midi2ly --preview Perotin_Viderunt_Omnes_Sib5.mid

gives this error:

  Perotin_Viderunt_Omnes_Sib5-midi.ly:41:11:
    error: syntax error, unexpected '-', expecting UNSIGNED or FRACTION
  \skip 4*
          -9

Without `--preview', the file can be parsed correctly.

However, the (admittedly crazy) output of midi2ly then takes an incredible  
time if processed with lilypond.  Lilypond tries to fit everything on 17 or  
18 pages, with zillions of warnings; it took almost 40 minutes to reach  
this point on my old laptop – far, far longer than a big orchestral piece  
with more than 100 pages, BTW.  After the following `Drawing Systems'  
message, the needed amount of memory suddenly increases extremely, and  
lilypond eventually aborts with

  terminate called after throwing an instance of 'std::bad_alloc'
    what():  std::bad_alloc

My 3GB of main memory isn't sufficient, apparently.  I'm not sure whether  
this qualifies as a bug or even a problem, but IMHO a piece with four  
voices and just a few words of lyrics shouldn't behave like that...


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