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6 commits

Author SHA1 Message Date
Andy Wingo
877ffa3f9c revert part of 7ff017002d that caused missed references
* libguile/programs.c (scm_c_make_closure): If the program is actually
  not a program, abort. This can happen if GC misses a reference, as
  currently seems to happen.

* libguile/vm.c (vm_mark): Revert part of
  7ff017002d, which changed the call to
  scm_mark_locations. I'm 99% *sure* this is wrong, but it seems to
  prevent missed references when recompiling the .go files in guile
  itself. Needs revisiting soon, but for the time being we can go back to
  where we were a couple of days ago.

* libguile/vm-i-system.c (halt, vector, vector-mark): Sync the registers
  before calling into C, as it may GC.
2008-09-28 23:08:14 +02:00
Andy Wingo
28106f547d inline frame replacement in tail-call
* libguile/programs.c (program_print): Only try to lookup write-program
  if the module system is booted.

* libguile/vm-engine.h (FREE_FRAME): Remove, it's now inlined everywhere.

* libguile/vm-i-system.c (tail-call): Inline FREE_FRAME, and implement
  the calling bits here. Will make things more hackable.
2008-09-13 15:41:43 +02:00
Andy Wingo
0ba8bb7143 tweaks for printing programs
* module/system/vm/program.scm (program-bindings-as-lambda-list): Handle
  the bindings-is-null case too -- not sure how it comes about, though. A
  thunk with no let, perhaps.
  (write-program): Another default for the name: the source location at
  which it was defined.

* libguile/programs.c (program_print): Add some "logic" to stop doing
  detailed prints if one print had a nonlocal exit -- preventing
  exceptions in backtraces.
2008-09-13 14:19:30 +02:00
Andy Wingo
e6fea61823 programs can now get at their names, and print nicely
* module/system/vm/frame.scm (frame-call-representation)
  (frame-program-name): Rename program-name to frame-program-name, and
  use the program-name if it is available.

* module/system/vm/program.scm (program-bindings): Return #f if there are
  no bindings.
  (program-name): New public procedure.
  (program-bindings-as-lambda-list, write-program): A more useful writer
  for programs.

* libguile/programs.c (scm_bootstrap_programs, program_print): Add a smob
  printer for programs, which dispatches to `write-program'.
2008-09-13 14:19:30 +02:00
Andy Wingo
8e3670748f rework late binding resolution to be simpler and more efficient
* libguile/programs.h (struct scm_program):
* libguile/programs.c (scm_c_make_program): Record the current module
  when making a program. This replaces the per-late binding recorded
  module in the generated code, which should be more efficient, both in
  terms of garbage, and in not calling resolve-module.
  (program-module): New accessor.

* module/system/vm/program.scm: Add program-module to exports.

* libguile/vm-i-loader.c (link-later): Remove this instruction, since now
  the entry in the object table is just a symbol, and can be loaded with
  load-symbol.

* libguile/vm-i-system.c (late-variable-ref, late-variable-set): Rework
  so as to look up in the module of the current program. The logic could
  be condensed quite a bit if scm_module_lookup () knew what to do with
  mod==#f.

* module/system/vm/assemble.scm (dump-object!): Dump <vlink-later> just
  as load-symbol, as mentioned in the note on link-later.

* module/system/il/ghil.scm: Update comment to reflect the new reality.
2008-09-09 07:15:01 +02:00
Andy Wingo
83495480e8 merge guile-vm into libguile itself
* ice-9/boot-9.scm: Only define load-compiled as #f if it's not already
  defined, which won't normally be the case.

* libguile/guile-vm.c: Removed, there's no more guile-vm binary.

* libguile/frames.c: (with change frame? -> heap-frame?)
* libguile/frames.h:
* libguile/instructions.c:
* libguile/instructions.h:
* libguile/objcodes.c:
* libguile/objcodes.h:
* libguile/programs.c:
* libguile/programs.h:
* libguile/vm-bootstrap.h: (was bootstrap.h)
* libguile/vm-engine.c: (was vm_engine.c)
* libguile/vm-engine.h: (was vm_engine.h)
* libguile/vm-expand.h: (was vm_expand.h)
* libguile/vm-i-loader.c: (was vm_loader.c)
* libguile/vm-i-scheme.c: (was vm_scheme.c)
* libguile/vm-i-system.c: (was vm_system.c)
* libguile/vm.c:
* libguile/vm.h: These files moved here from src/, as guile-vm is now a
  part of libguile.

* libguile/init.c: Bootstrap the VM. Yay!

* libguile/Makefile.am: The necessary chicanery here.

* module/system/vm/Makefile.am:
* module/system/vm/bootstrap.scm:
* module/system/vm/frame.scm:
* module/system/vm/instruction.scm:
* module/system/vm/objcode.scm:
* module/system/vm/program.scm:
* module/system/vm/vm.scm:

* pre-inst-guile-env.in: Add builddirs to the load path; add module/ to
  the path in the empty-$GUILE_LOAD_PATH case as well.

* src/Makefile.am: Moved out everything except guilec and guile-disasm,
  which probably should be moved to the scripts directory?

* testsuite/Makefile.am: Update to find guile-vm in the right place.

* module/system/vm/Makefile.am:
* module/system/vm/bootstrap.scm: Removed bootstrap.scm, scm_init_guile
  handles the bootstrapping for us.

* module/system/vm/frame.scm:
* module/system/vm/instruction.scm:
* module/system/vm/objcode.scm:
* module/system/vm/program.scm:
* module/system/vm/vm.scm: Call the init functions in libguile; should
  fix at some point to avoid the dlopen?
2008-08-21 18:39:30 -07:00
Renamed from src/programs.c (Browse further)