58 lines
2.3 KiB
Ruby
58 lines
2.3 KiB
Ruby
module Risc
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module Builtin
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module Word
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module ClassMethods
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include CompileHelper
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def putstring( context)
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compiler = compiler_for(:Word , :putstring ,{})
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builder = compiler.builder(true, compiler.method)
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builder.add_slot_to_reg( "putstring" , :message , :receiver , :new_message )
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index = Parfait::Word.get_length_index
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reg = RiscValue.new(:r2 , :Integer)
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builder.add_slot_to_reg( "putstring" , :new_message , index , reg )
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Risc::Builtin::Object.emit_syscall( builder , :putstring )
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compiler.add_mom( Mom::ReturnSequence.new)
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compiler.method
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end
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# self[index] basically. Index is the first arg > 0
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# return (and word sized int) is stored in return_value
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def get_internal_byte( context)
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compiler = compiler_for(:Word , :get_internal_byte , {at: :Integer})
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source = "get_internal_byte"
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builder = compiler.builder(true, compiler.method)
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me , index = builder.self_and_int_arg(source)
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builder.reduce_int( source + " fix arg", index )
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# reduce me to me[index]
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builder.add_byte_to_reg( source , me , index , me)
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builder.add_new_int(source, me , index)
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# and put it back into the return value
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builder.add_reg_to_slot( source , index , :message , :return_value)
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compiler.add_mom( Mom::ReturnSequence.new)
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return compiler.method
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end
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# self[index] = val basically. Index is the first arg ( >0),
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# value the second
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# return self
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def set_internal_byte( context )
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compiler = compiler_for(:Word, :set_internal_byte , {at: :Integer , :value => :Integer} )
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source = "set_internal_byte"
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builder = compiler.builder(true, compiler.method)
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me , index = builder.self_and_int_arg(source)
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value = builder.load_int_arg_at(source , 2 )
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builder.reduce_int( source + " fix me", value )
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builder.reduce_int( source + " fix arg", index )
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builder.add_reg_to_byte( source , value , me , index)
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builder.add_reg_to_slot( source , me , :message , :return_value)
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compiler.add_mom( Mom::ReturnSequence.new)
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return compiler.method
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end
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end
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extend ClassMethods
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end
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end
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end
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