34 lines
1.0 KiB
Ruby
34 lines
1.0 KiB
Ruby
module Ast
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# assignment, like operators are really function calls
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class CallSiteExpression < Expression
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attr_reader :name, :args
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def initialize name, args
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@name , @args = name.to_sym , args
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end
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def compile context , into
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params = args.collect{ |a| a.compile(context, into) }
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function = context.program.get_or_create_function(name)
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raise "Forward declaration not implemented (#{name}) #{inspect}" if function == nil
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call = Vm::CallSite.new( name , params , function)
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current_function = context.function
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current_function.save_locals(context , into) if current_function
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call.load_args into
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call.do_call into
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current_function.restore_locals(context , into) if current_function
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function.return_type
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end
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def inspect
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self.class.name + ".new(" + name.inspect + ", ["+
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args.collect{|m| m.inspect }.join( ",") +"] )"
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end
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def to_s
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"#{name}(" + args.join(",") + ")"
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end
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def attributes
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[:name , :args]
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end
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end
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end |