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bd4de1245f
instead of mutating RubyVM::Instructions and letting the order of `require` impact its behavior. Now that we have both RubyVM::TraceInstruction and RubyVM::ZJITInstruction, it feels too much of a tight coupling to rely on `require` to be ordered properly.
71 lines
1.3 KiB
Ruby
71 lines
1.3 KiB
Ruby
# -*- Ruby -*-
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# -*- frozen_string_literal: true; -*-
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# -*- warn_indent: true; -*-
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#
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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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require_relative '../helpers/c_escape'
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require_relative 'bare_instruction'
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class RubyVM::TraceInstruction
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include RubyVM::CEscape
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attr_reader :name
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def initialize orig
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@orig = orig
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@name = as_tr_cpp "trace @ #{@orig.name}"
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end
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def pretty_name
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return sprintf "%s(...)(...)(...)", @name
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end
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def jump_destination
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return @orig.name
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end
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def bin
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return sprintf "BIN(%s)", @name
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end
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def width
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return @orig.width
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end
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def operands_info
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return @orig.operands_info
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end
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def rets
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return ['...']
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end
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def pops
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return ['...']
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end
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def attributes
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return []
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end
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def has_attribute? *;
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return false
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end
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private
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@instances = (RubyVM::BareInstruction.all +
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RubyVM::OperandsUnification.all +
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RubyVM::InstructionsUnification.all).map {|i| new(i) }
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def self.all
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@instances
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end
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end
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