pike.git/ src/ docode.c

2019-09-10

2019-09-10 11:20:17 by Henrik Grubbström (Grubba) <grubba@grubba.org>

• bbd0ba2a51494c92d38eec563ef842150bedb1d6 (37 lines) (+36/-1) ^{[ Show | Annotate ]}
  Branch: master

Compiler [generators]: Generate code to call the resumption callback.

2584:       do_pop(1); /* Pop the return value. */    } +  +  /* Call the resumption callback. */ +  emit1(F_MARK_AND_LOCAL, +  Pike_compiler->compiler_frame->generator_local + 3); +  tmp1 = do_jump(F_BRANCH_AND_POP_WHEN_ZERO, -1); +  emit1(F_LOCAL, +  Pike_compiler->compiler_frame->generator_local + 2); +  emit0(F_CALL_FUNCTION_AND_POP); +  tmp2 = do_jump(F_BRANCH, -1); +  ins_label(tmp1); +  emit0(F_POP_MARK); +  ins_label(tmp2);    }    return 0;    }
2987:    int aggregate_cnum = -1;    int save_stack_depth = current_stack_depth;    int save_label_no = label_no; +  int tmp1, tmp2;    current_stack_depth = 0;       if (Pike_compiler->compiler_frame->current_function_number >= 0) {
3005:    if (Pike_compiler->compiler_frame->generator_local != -1) {    INT32 e, states;    -  /* Zap any initial junk on the stack. */ +  /* Save the arguments for later. +  * +  * NB: apply_low() ensures that we always have exactly 2 arguments. +  */ +  emit1(F_ASSIGN_LOCAL_AND_POP, +  Pike_compiler->compiler_frame->generator_local + 3); +  emit1(F_ASSIGN_LOCAL_AND_POP, +  Pike_compiler->compiler_frame->generator_local + 2); +  +  /* Zap the arguments to be able to restore the stack. */    emit1(F_MARK_AT, 0);    emit0(F_POP_TO_MARK);   
3064:    /* Start. (0) */    Pike_compiler->compiler_frame->generator_jumptable[    Pike_compiler->compiler_frame->generator_index++] = ins_label(-1); +  +  /* Call the resumption callback. */ +  emit1(F_MARK_AND_LOCAL, +  Pike_compiler->compiler_frame->generator_local + 3); +  tmp1 = do_jump(F_BRANCH_AND_POP_WHEN_ZERO, -1); +  emit1(F_LOCAL, +  Pike_compiler->compiler_frame->generator_local + 2); +  emit0(F_CALL_FUNCTION_AND_POP); +  tmp2 = do_jump(F_BRANCH, -1); +  ins_label(tmp1); +  emit0(F_POP_MARK); +  ins_label(tmp2);    } else {    if (Pike_compiler->compiler_frame->num_args) {    emit2(F_FILL_STACK, Pike_compiler->compiler_frame->num_args, 1);