63 lines
1.5 KiB
Ruby
63 lines
1.5 KiB
Ruby
module Melon
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module Compilers
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class MethodCompiler < AST::Processor
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def initialize( ruby_method )
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@ruby_method = ruby_method
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end
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def get_code
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process(@ruby_method.source)
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end
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def on_ivasgn(statement)
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name , value = *statement
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w = Vm::Tree::Assignment.new()
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w.name = Vm::Tree::InstanceName.new( name[1..-1].to_sym)
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w.value = process(value)
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w
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end
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def on_ivar( var )
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name = var.children.first
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w = Vm::Tree::FieldAccess.new()
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w.receiver = Vm::Tree::KnownName.new(:self)
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w.field = Vm::Tree::InstanceName.new( name[1..-1].to_sym)
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w
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end
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def on_send( statement )
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receiver , name , args = *statement
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w = Vm::Tree::CallSite.new()
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puts "receiver #{statement}"
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w.name = name
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w.arguments = process(args)
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w.receiver = process(receiver)
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w
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end
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def on_lvar(statement)
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name = statement.children.first.to_sym
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if(@ruby_method.args_type.variable_index(name))
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return Vm::Tree::ArgumentName.new(name)
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end
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raise "Not found #{name}"
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end
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def on_str( string )
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Vm::Tree::StringExpression.new(string.children.first)
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end
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def on_int( expression)
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Vm::Tree::IntegerExpression.new(expression.children.first)
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end
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def handler_missing(node)
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raise "No handler for #{node}"
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end
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end
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end
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end
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