63 lines
1.9 KiB
Plaintext
63 lines
1.9 KiB
Plaintext
%# -*- C -*-
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%# Copyright (c) 2017 Urabe, Shyouhei. All rights reserved.
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%#
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%# This file is a part of the programming language Ruby. Permission is hereby
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%# granted, to either redistribute and/or modify this file, provided that the
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%# conditions mentioned in the file COPYING are met. Consult the file for
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%# details.
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%#
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PUREFUNC(MAYBE_UNUSED(static int comptime_insn_stack_increase(int depth, int insn, const VALUE *opes)));
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PUREFUNC(static rb_snum_t comptime_insn_stack_increase_dispatch(enum ruby_vminsn_type insn, const VALUE *opes));
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rb_snum_t
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comptime_insn_stack_increase_dispatch(enum ruby_vminsn_type insn, const VALUE *opes)
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{
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static const signed char t[] = {
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% RubyVM::Instructions.each_slice 8 do |a|
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<%= a.map { |i|
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if i.has_attribute?('sp_inc')
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'-127'
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else
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sprintf("%4d", i.rets.size - i.pops.size)
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end
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}.join(', ') -%>,
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% end
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};
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signed char c = t[insn];
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ASSERT_VM_INSTRUCTION_SIZE(t);
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if (c != -127) {
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return c;
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}
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else switch(insn) {
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default:
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UNREACHABLE;
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% RubyVM::Instructions.each do |i|
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% next unless i.has_attribute?('sp_inc')
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% attr_function =
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% if i.has_attribute?('comptime_sp_inc')
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% "attr_comptime_sp_inc_#{i.name}"
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% else
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% "attr_sp_inc_#{i.name}"
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% end
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case <%= i.bin %>:
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return <%= attr_function %>(<%=
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i.opes.map.with_index do |v, j|
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if v[:type] == 'CALL_DATA' && i.has_attribute?('comptime_sp_inc')
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v = v.dup
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v[:type] = 'CALL_INFO'
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end
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i.cast_from_VALUE v, "opes[#{j}]"
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end.join(", ")
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%>);
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% end
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}
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}
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int
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comptime_insn_stack_increase(int depth, int insn, const VALUE *opes)
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{
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enum ruby_vminsn_type itype = (enum ruby_vminsn_type)insn;
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return depth + (int)comptime_insn_stack_increase_dispatch(itype, opes);
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}
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