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34 lines
422 B
34 lines
422 B
module Lox
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class Resolver
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def initialize(interpreter)
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@interpreter = interpreter
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@scopes = []
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end
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def resolve(values)
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values.each do
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value.accept(self)
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end
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end
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def visit_block(stmt)
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with_scope do
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resolve(stmt.stmts)
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end
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nil
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end
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private
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def with_block
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@scopes.push({})
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yield
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@scopes.pop
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end
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end
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end
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