53 lines
976 B
Ruby
53 lines
976 B
Ruby
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module Asm
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ERRSTR_NUMERIC_TOO_LARGE = 'cannot fit numeric literal argument in operand'
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ERRSTR_INVALID_ARG = 'invalid operand argument'
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class Assembler
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def initialize
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@values = []
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@position = 0 # marks not set
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@labels = []
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@string_table = {}
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#@relocations = []
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end
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attr_reader :relocations, :values , :position
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def add_string str
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value = @string_table[str]
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return value if value
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data = Asm::StringNode.new(str)
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@string_table[str] = data
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end
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def strings
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@string_table.values
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end
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def add_value(val)
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val.at(@position)
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length = val.length
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@position += length
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@values << val
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end
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def label
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label = Asm::Arm::GeneratorLabel.new(self)
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@labels << label
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label
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end
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def label!
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label.set!
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end
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def assemble(io)
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@values.each do |obj|
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obj.assemble io, self
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end
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end
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end
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end
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