mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-06-15 08:10:17 +02:00
push new frame on stack before procedure & args
* libguile/_scm.h (SCM_OBJCODE_MINOR_VERSION): Bump * libguile/vm-engine.c (vm_engine): Push a frame corresponding to the mv-call. * libguile/vm-i-system.c: Renumber ops. (new-frame): New op, pushes a frame. (call, mv-call): No need to shuffle args, though we do need to pop the frame in the non-vm call case. (goto/args): Inconsequential tweaks. (call/cc): Push a frame if needed. * module/language/tree-il/compile-glil.scm (flatten): Emit `new-frame' as appropriate. * test-suite/tests/tree-il.test: Fix to expect new-frame.
This commit is contained in:
parent
03e6c16596
commit
b7946e9ec6
5 changed files with 78 additions and 57 deletions
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@ -172,7 +172,7 @@
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/* Major and minor versions must be single characters. */
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#define SCM_OBJCODE_MAJOR_VERSION 0
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#define SCM_OBJCODE_MINOR_VERSION C
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#define SCM_OBJCODE_MINOR_VERSION D
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#define SCM_OBJCODE_MAJOR_VERSION_STRING \
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SCM_CPP_STRINGIFY(SCM_OBJCODE_MAJOR_VERSION)
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#define SCM_OBJCODE_MINOR_VERSION_STRING \
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@ -114,7 +114,10 @@ VM_NAME (struct scm_vm *vp, SCM program, SCM *argv, int nargs)
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PUSH (program);
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fp = sp + 1;
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INIT_FRAME ();
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/* Initial arguments */
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/* MV-call frame, function & arguments */
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PUSH ((SCM)fp); /* dynamic link */
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PUSH (0); /* ra */
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PUSH (0); /* mvra */
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PUSH (prog);
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if (SCM_UNLIKELY (sp + nargs >= stack_limit))
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goto vm_error_too_many_args;
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@ -475,7 +475,15 @@ VM_DEFINE_INSTRUCTION (37, br_if_not_null, "br-if-not-null", 2, 0, 0)
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* Subprogram call
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*/
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VM_DEFINE_INSTRUCTION (38, call, "call", 1, -1, 1)
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VM_DEFINE_INSTRUCTION (38, new_frame, "new-frame", 0, 0, 3)
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{
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PUSH ((SCM)fp); /* dynamic link */
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PUSH (0); /* mvra */
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PUSH (0); /* ra */
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (39, call, "call", 1, -1, 1)
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{
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SCM x;
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nargs = FETCH ();
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@ -491,17 +499,12 @@ VM_DEFINE_INSTRUCTION (38, call, "call", 1, -1, 1)
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*/
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if (SCM_PROGRAM_P (x))
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{
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int i;
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/* shuffle up */
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sp += 3;
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CHECK_OVERFLOW ();
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for (i = 0; i <= nargs; i++)
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sp[-i] = sp[-(i + 3)];
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program = x;
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CACHE_PROGRAM ();
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INIT_ARGS ();
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SCM_FRAME_SET_DYNAMIC_LINK (sp - bp->nargs + 1, fp);
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fp = sp - bp->nargs + 1;
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ASSERT (SCM_FRAME_RETURN_ADDRESS (fp) == 0);
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ASSERT (SCM_FRAME_MV_RETURN_ADDRESS (fp) == 0);
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SCM_FRAME_SET_RETURN_ADDRESS (fp, ip);
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SCM_FRAME_SET_MV_RETURN_ADDRESS (fp, 0);
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INIT_FRAME ();
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@ -514,14 +517,17 @@ VM_DEFINE_INSTRUCTION (38, call, "call", 1, -1, 1)
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*/
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if (!SCM_FALSEP (scm_procedure_p (x)))
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{
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/* At this point, the stack contains the procedure and each one of its
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arguments. */
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SCM args;
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/* At this point, the stack contains the frame, the procedure and each one
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of its arguments. */
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POP_LIST (nargs);
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POP (args);
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DROP (); /* drop the procedure */
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DROP_FRAME ();
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SYNC_REGISTER ();
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/* keep args on stack so they are marked */
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sp[-1] = scm_apply (x, sp[0], SCM_EOL);
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PUSH (scm_apply (x, args, SCM_EOL));
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NULLSTACK_FOR_NONLOCAL_EXIT ();
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DROP ();
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if (SCM_UNLIKELY (SCM_VALUESP (*sp)))
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{
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/* truncate values */
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@ -539,7 +545,7 @@ VM_DEFINE_INSTRUCTION (38, call, "call", 1, -1, 1)
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goto vm_error_wrong_type_apply;
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}
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VM_DEFINE_INSTRUCTION (39, goto_args, "goto/args", 1, -1, 1)
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VM_DEFINE_INSTRUCTION (40, goto_args, "goto/args", 1, -1, 1)
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{
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register SCM x;
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nargs = FETCH ();
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@ -591,11 +597,14 @@ VM_DEFINE_INSTRUCTION (39, goto_args, "goto/args", 1, -1, 1)
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*/
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if (!SCM_FALSEP (scm_procedure_p (x)))
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{
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SCM args;
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POP_LIST (nargs);
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POP (args);
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SYNC_REGISTER ();
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sp[-1] = scm_apply (x, sp[0], SCM_EOL);
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*sp = scm_apply (x, args, SCM_EOL);
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NULLSTACK_FOR_NONLOCAL_EXIT ();
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DROP ();
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if (SCM_UNLIKELY (SCM_VALUESP (*sp)))
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{
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/* multiple values returned to continuation */
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@ -606,7 +615,8 @@ VM_DEFINE_INSTRUCTION (39, goto_args, "goto/args", 1, -1, 1)
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PUSH_LIST (values, SCM_NULLP);
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goto vm_return_values;
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}
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goto vm_return;
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else
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goto vm_return;
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}
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program = x;
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@ -614,7 +624,7 @@ VM_DEFINE_INSTRUCTION (39, goto_args, "goto/args", 1, -1, 1)
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goto vm_error_wrong_type_apply;
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}
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VM_DEFINE_INSTRUCTION (40, goto_nargs, "goto/nargs", 0, 0, 1)
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VM_DEFINE_INSTRUCTION (41, goto_nargs, "goto/nargs", 0, 0, 1)
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{
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SCM x;
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POP (x);
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@ -623,7 +633,7 @@ VM_DEFINE_INSTRUCTION (40, goto_nargs, "goto/nargs", 0, 0, 1)
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goto vm_goto_args;
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}
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VM_DEFINE_INSTRUCTION (41, call_nargs, "call/nargs", 0, 0, 1)
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VM_DEFINE_INSTRUCTION (42, call_nargs, "call/nargs", 0, 0, 1)
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{
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SCM x;
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POP (x);
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@ -632,7 +642,7 @@ VM_DEFINE_INSTRUCTION (41, call_nargs, "call/nargs", 0, 0, 1)
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goto vm_call;
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}
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VM_DEFINE_INSTRUCTION (42, mv_call, "mv-call", 3, -1, 1)
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VM_DEFINE_INSTRUCTION (43, mv_call, "mv-call", 3, -1, 1)
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{
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SCM x;
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scm_t_int16 offset;
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@ -649,17 +659,12 @@ VM_DEFINE_INSTRUCTION (42, mv_call, "mv-call", 3, -1, 1)
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*/
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if (SCM_PROGRAM_P (x))
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{
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int i;
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/* shuffle up */
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sp += 3;
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CHECK_OVERFLOW ();
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for (i = 0; i <= nargs; i++)
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sp[-i] = sp[-(i + 3)];
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program = x;
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CACHE_PROGRAM ();
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INIT_ARGS ();
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SCM_FRAME_SET_DYNAMIC_LINK (sp - bp->nargs + 1, fp);
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fp = sp - bp->nargs + 1;
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ASSERT (SCM_FRAME_RETURN_ADDRESS (fp) == 0);
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ASSERT (SCM_FRAME_MV_RETURN_ADDRESS (fp) == 0);
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SCM_FRAME_SET_RETURN_ADDRESS (fp, ip);
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SCM_FRAME_SET_MV_RETURN_ADDRESS (fp, mvra);
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INIT_FRAME ();
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*/
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if (!SCM_FALSEP (scm_procedure_p (x)))
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{
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SCM args;
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/* At this point, the stack contains the procedure and each one of its
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arguments. */
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POP_LIST (nargs);
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POP (args);
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DROP (); /* drop the procedure */
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DROP_FRAME ();
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SYNC_REGISTER ();
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sp[-1] = scm_apply (x, sp[0], SCM_EOL);
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PUSH (scm_apply (x, args, SCM_EOL));
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NULLSTACK_FOR_NONLOCAL_EXIT ();
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DROP ();
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if (SCM_VALUESP (*sp))
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{
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SCM values, len;
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goto vm_error_wrong_type_apply;
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}
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VM_DEFINE_INSTRUCTION (43, apply, "apply", 1, -1, 1)
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VM_DEFINE_INSTRUCTION (44, apply, "apply", 1, -1, 1)
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{
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int len;
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SCM ls;
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goto vm_call;
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}
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VM_DEFINE_INSTRUCTION (44, goto_apply, "goto/apply", 1, -1, 1)
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VM_DEFINE_INSTRUCTION (45, goto_apply, "goto/apply", 1, -1, 1)
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{
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int len;
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SCM ls;
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goto vm_goto_args;
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}
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VM_DEFINE_INSTRUCTION (45, call_cc, "call/cc", 0, 1, 1)
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VM_DEFINE_INSTRUCTION (46, call_cc, "call/cc", 0, 1, 1)
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{
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int first;
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SCM proc, cont;
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cont = scm_make_continuation (&first);
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if (first)
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{
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PUSH ((SCM)fp); /* dynamic link */
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PUSH (0); /* mvra */
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PUSH (0); /* ra */
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PUSH (proc);
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PUSH (cont);
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nargs = 1;
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}
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}
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VM_DEFINE_INSTRUCTION (46, goto_cc, "goto/cc", 0, 1, 1)
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VM_DEFINE_INSTRUCTION (47, goto_cc, "goto/cc", 0, 1, 1)
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{
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int first;
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SCM proc, cont;
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}
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}
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VM_DEFINE_INSTRUCTION (47, return, "return", 0, 1, 1)
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VM_DEFINE_INSTRUCTION (48, return, "return", 0, 1, 1)
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{
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vm_return:
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EXIT_HOOK ();
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (48, return_values, "return/values", 1, -1, -1)
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VM_DEFINE_INSTRUCTION (49, return_values, "return/values", 1, -1, -1)
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{
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/* nvalues declared at top level, because for some reason gcc seems to think
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that perhaps it might be used without declaration. Fooey to that, I say. */
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (49, return_values_star, "return/values*", 1, -1, -1)
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VM_DEFINE_INSTRUCTION (50, return_values_star, "return/values*", 1, -1, -1)
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{
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SCM l;
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goto vm_return_values;
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}
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VM_DEFINE_INSTRUCTION (50, truncate_values, "truncate-values", 2, -1, -1)
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VM_DEFINE_INSTRUCTION (51, truncate_values, "truncate-values", 2, -1, -1)
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{
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SCM x;
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int nbinds, rest;
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@ -940,7 +952,7 @@ VM_DEFINE_INSTRUCTION (50, truncate_values, "truncate-values", 2, -1, -1)
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (51, box, "box", 1, 1, 0)
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VM_DEFINE_INSTRUCTION (52, box, "box", 1, 1, 0)
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{
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SCM val;
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POP (val);
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@ -954,7 +966,7 @@ VM_DEFINE_INSTRUCTION (51, box, "box", 1, 1, 0)
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(set! a (lambda () (b ...)))
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...)
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*/
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VM_DEFINE_INSTRUCTION (52, empty_box, "empty-box", 1, 0, 0)
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VM_DEFINE_INSTRUCTION (53, empty_box, "empty-box", 1, 0, 0)
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{
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SYNC_BEFORE_GC ();
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LOCAL_SET (FETCH (),
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@ -962,7 +974,7 @@ VM_DEFINE_INSTRUCTION (52, empty_box, "empty-box", 1, 0, 0)
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (53, local_boxed_ref, "local-boxed-ref", 1, 0, 1)
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VM_DEFINE_INSTRUCTION (54, local_boxed_ref, "local-boxed-ref", 1, 0, 1)
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{
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SCM v = LOCAL_REF (FETCH ());
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ASSERT_BOUND_VARIABLE (v);
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@ -970,7 +982,7 @@ VM_DEFINE_INSTRUCTION (53, local_boxed_ref, "local-boxed-ref", 1, 0, 1)
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (54, local_boxed_set, "local-boxed-set", 1, 1, 0)
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VM_DEFINE_INSTRUCTION (55, local_boxed_set, "local-boxed-set", 1, 1, 0)
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{
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SCM v, val;
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v = LOCAL_REF (FETCH ());
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@ -980,7 +992,7 @@ VM_DEFINE_INSTRUCTION (54, local_boxed_set, "local-boxed-set", 1, 1, 0)
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (55, free_ref, "free-ref", 1, 0, 1)
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VM_DEFINE_INSTRUCTION (56, free_ref, "free-ref", 1, 0, 1)
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{
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scm_t_uint8 idx = FETCH ();
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@ -991,7 +1003,7 @@ VM_DEFINE_INSTRUCTION (55, free_ref, "free-ref", 1, 0, 1)
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/* no free-set -- if a var is assigned, it should be in a box */
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VM_DEFINE_INSTRUCTION (56, free_boxed_ref, "free-boxed-ref", 1, 0, 1)
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VM_DEFINE_INSTRUCTION (57, free_boxed_ref, "free-boxed-ref", 1, 0, 1)
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{
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SCM v;
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scm_t_uint8 idx = FETCH ();
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@ -1002,7 +1014,7 @@ VM_DEFINE_INSTRUCTION (56, free_boxed_ref, "free-boxed-ref", 1, 0, 1)
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (57, free_boxed_set, "free-boxed-set", 1, 1, 0)
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VM_DEFINE_INSTRUCTION (58, free_boxed_set, "free-boxed-set", 1, 1, 0)
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{
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SCM v, val;
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scm_t_uint8 idx = FETCH ();
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@ -1014,7 +1026,7 @@ VM_DEFINE_INSTRUCTION (57, free_boxed_set, "free-boxed-set", 1, 1, 0)
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (58, make_closure, "make-closure", 0, 2, 1)
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VM_DEFINE_INSTRUCTION (59, make_closure, "make-closure", 0, 2, 1)
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{
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SCM vect;
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POP (vect);
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@ -1025,7 +1037,7 @@ VM_DEFINE_INSTRUCTION (58, make_closure, "make-closure", 0, 2, 1)
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (59, make_variable, "make-variable", 0, 0, 1)
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VM_DEFINE_INSTRUCTION (60, make_variable, "make-variable", 0, 0, 1)
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{
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SYNC_BEFORE_GC ();
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/* fixme underflow */
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@ -1033,7 +1045,7 @@ VM_DEFINE_INSTRUCTION (59, make_variable, "make-variable", 0, 0, 1)
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (60, fix_closure, "fix-closure", 2, 0, 1)
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VM_DEFINE_INSTRUCTION (61, fix_closure, "fix-closure", 2, 0, 1)
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{
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SCM x, vect;
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unsigned int i = FETCH ();
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@ -1047,7 +1059,7 @@ VM_DEFINE_INSTRUCTION (60, fix_closure, "fix-closure", 2, 0, 1)
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (61, define, "define", 0, 0, 2)
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VM_DEFINE_INSTRUCTION (62, define, "define", 0, 0, 2)
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{
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SCM sym, val;
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POP (sym);
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@ -1059,7 +1071,7 @@ VM_DEFINE_INSTRUCTION (61, define, "define", 0, 0, 2)
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (62, make_keyword, "make-keyword", 0, 1, 1)
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VM_DEFINE_INSTRUCTION (63, make_keyword, "make-keyword", 0, 1, 1)
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{
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CHECK_UNDERFLOW ();
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SYNC_REGISTER ();
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@ -1067,7 +1079,7 @@ VM_DEFINE_INSTRUCTION (62, make_keyword, "make-keyword", 0, 1, 1)
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NEXT;
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}
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VM_DEFINE_INSTRUCTION (63, make_symbol, "make-symbol", 0, 1, 1)
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VM_DEFINE_INSTRUCTION (64, make_symbol, "make-symbol", 0, 1, 1)
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{
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CHECK_UNDERFLOW ();
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SYNC_REGISTER ();
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|
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@ -286,6 +286,7 @@
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(for-each comp-push args)
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(emit-code src (make-glil-call 'goto/apply (1+ (length args)))))
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((push)
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(emit-code src (make-glil-call 'new-frame 0))
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(comp-push proc)
|
||||
(for-each comp-push args)
|
||||
(emit-code src (make-glil-call 'apply (1+ (length args))))
|
||||
|
@ -343,7 +344,10 @@
|
|||
(else
|
||||
(let ((MV (make-label)) (POST (make-label))
|
||||
(producer (car args)) (consumer (cadr args)))
|
||||
(if (not (eq? context 'tail))
|
||||
(emit-code src (make-glil-call 'new-frame 0)))
|
||||
(comp-push consumer)
|
||||
(emit-code src (make-glil-call 'new-frame 0))
|
||||
(comp-push producer)
|
||||
(emit-code src (make-glil-mv-call 0 MV))
|
||||
(case context
|
||||
|
@ -444,6 +448,8 @@
|
|||
(emit-branch src 'br (lexical-ref-gensym proc)))
|
||||
|
||||
(else
|
||||
(if (not (eq? context 'tail))
|
||||
(emit-code src (make-glil-call 'new-frame 0)))
|
||||
(comp-push proc)
|
||||
(for-each comp-push args)
|
||||
(let ((len (length args)))
|
||||
|
|
|
@ -80,7 +80,7 @@
|
|||
(program 0 0 0 () (toplevel ref foo) (const 1) (call goto/args 1)))
|
||||
(assert-tree-il->glil/pmatch
|
||||
(begin (apply (toplevel foo) (const 1)) (void))
|
||||
(program 0 0 0 () (toplevel ref foo) (const 1) (mv-call 1 ,l1)
|
||||
(program 0 0 0 () (call new-frame 0) (toplevel ref foo) (const 1) (mv-call 1 ,l1)
|
||||
(call drop 1) (branch br ,l2)
|
||||
(label ,l3) (mv-bind () #f) (unbind)
|
||||
(label ,l4)
|
||||
|
@ -88,7 +88,7 @@
|
|||
(and (eq? l1 l3) (eq? l2 l4)))
|
||||
(assert-tree-il->glil
|
||||
(apply (toplevel foo) (apply (toplevel bar)))
|
||||
(program 0 0 0 () (toplevel ref foo) (toplevel ref bar) (call call 0)
|
||||
(program 0 0 0 () (toplevel ref foo) (call new-frame 0) (toplevel ref bar) (call call 0)
|
||||
(call goto/args 1))))
|
||||
|
||||
(with-test-prefix "conditional"
|
||||
|
@ -444,7 +444,7 @@
|
|||
(assert-tree-il->glil/pmatch
|
||||
(begin (apply (primitive @apply) (toplevel foo) (toplevel bar)) (void))
|
||||
(program 0 0 0 ()
|
||||
(toplevel ref apply) (toplevel ref foo) (toplevel ref bar) (mv-call 2 ,l1)
|
||||
(call new-frame 0) (toplevel ref apply) (toplevel ref foo) (toplevel ref bar) (mv-call 2 ,l1)
|
||||
(call drop 1) (branch br ,l2) (label ,l3) (mv-bind () #f) (unbind)
|
||||
(label ,l4)
|
||||
(void) (call return 1))
|
||||
|
@ -453,7 +453,7 @@
|
|||
(apply (toplevel foo) (apply (toplevel @apply) (toplevel bar) (toplevel baz)))
|
||||
(program 0 0 0 ()
|
||||
(toplevel ref foo)
|
||||
(toplevel ref bar) (toplevel ref baz) (call apply 2)
|
||||
(call new-frame 0) (toplevel ref bar) (toplevel ref baz) (call apply 2)
|
||||
(call goto/args 1))))
|
||||
|
||||
(with-test-prefix "call/cc"
|
||||
|
@ -463,7 +463,7 @@
|
|||
(assert-tree-il->glil/pmatch
|
||||
(begin (apply (primitive @call-with-current-continuation) (toplevel foo)) (void))
|
||||
(program 0 0 0 ()
|
||||
(toplevel ref call-with-current-continuation) (toplevel ref foo) (mv-call 1 ,l1)
|
||||
(call new-frame 0) (toplevel ref call-with-current-continuation) (toplevel ref foo) (mv-call 1 ,l1)
|
||||
(call drop 1) (branch br ,l2) (label ,l3) (mv-bind () #f) (unbind)
|
||||
(label ,l4)
|
||||
(void) (call return 1))
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue