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vm_invoke_block: eliminate goto

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Use recursion for better readability.
This commit is contained in:
卜部昌平 2020-05-26 10:14:17 +09:00
parent 11c70b3162
commit ec87a58d55
Notes: git 2020-06-03 16:14:18 +09:00
1 changed files with 16 additions and 10 deletions
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26
vm_insnhelper.c
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@ -2725,7 +2725,7 @@ vm_call_opt_send(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp, struct
return vm_call_method(ec, reg_cfp, calling, (CALL_DATA)&cd);
}
static inline VALUE vm_invoke_block(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp, struct rb_calling_info *calling, const struct rb_callinfo *ci, VALUE block_handler);
static inline VALUE vm_invoke_block(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp, struct rb_calling_info *calling, const struct rb_callinfo *ci, bool is_lambda, VALUE block_handler);
NOINLINE(static VALUE
vm_invoke_block_opt_call(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp,
@ -2741,7 +2741,7 @@ vm_invoke_block_opt_call(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp
if (argc > 0) MEMMOVE(&TOPN(argc), &TOPN(argc-1), VALUE, argc);
DEC_SP(1);
return vm_invoke_block(ec, reg_cfp, calling, ci, block_handler);
return vm_invoke_block(ec, reg_cfp, calling, ci, false, block_handler);
}
static VALUE
@ -3457,22 +3457,28 @@ vm_proc_to_block_handler(VALUE procval)
return Qundef;
}
static VALUE
vm_invoke_proc_block(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp,
struct rb_calling_info *calling, const struct rb_callinfo *ci,
VALUE block_handler)
{
return vm_invoke_block(ec, reg_cfp, calling, ci,
block_proc_is_lambda(VM_BH_TO_PROC(block_handler)),
vm_proc_to_block_handler(VM_BH_TO_PROC(block_handler)));
}
static inline VALUE
vm_invoke_block(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp,
struct rb_calling_info *calling, const struct rb_callinfo *ci, VALUE block_handler)
struct rb_calling_info *calling, const struct rb_callinfo *ci,
bool is_lambda, VALUE block_handler)
{
int is_lambda = FALSE;
again:
switch (vm_block_handler_type(block_handler)) {
case block_handler_type_iseq:
return vm_invoke_iseq_block(ec, reg_cfp, calling, ci, is_lambda, block_handler);
case block_handler_type_ifunc:
return vm_invoke_ifunc_block(ec, reg_cfp, calling, ci, block_handler);
case block_handler_type_proc:
is_lambda = block_proc_is_lambda(VM_BH_TO_PROC(block_handler));
block_handler = vm_proc_to_block_handler(VM_BH_TO_PROC(block_handler));
goto again;
return vm_invoke_proc_block(ec, reg_cfp, calling, ci, block_handler);
case block_handler_type_symbol:
return vm_invoke_symbol_block(ec, reg_cfp, calling, ci, block_handler);
}
@ -4040,7 +4046,7 @@ vm_invokeblock_i(
rb_vm_localjump_error("no block given (yield)", Qnil, 0);
}
else {
return vm_invoke_block(ec, GET_CFP(), calling, ci, block_handler);
return vm_invoke_block(ec, GET_CFP(), calling, ci, false, block_handler);
}
}