find_symbol(symbol, method=nil)
public
Look up the given symbol. If method is non-nil, then we assume the symbol
references a module that contains that method
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def find_symbol(symbol, method=nil)
result = nil
case symbol
when /^::(.*)/
result = toplevel.find_symbol($1)
when /::/
modules = symbol.split(/::/)
unless modules.empty?
module_name = modules.shift
result = find_module_named(module_name)
if result
modules.each do |module_name|
result = result.find_module_named(module_name)
break unless result
end
end
end
else
if method
result = find_module_named(symbol)
else
result = find_local_symbol(symbol)
if result.nil?
if symbol =~ /^[A-Z]/
result = parent
while result && result.name != symbol
result = result.parent
end
end
end
end
end
if result && method
if !result.respond_to?(:find_local_symbol)
p result.name
p method
fail
end
result = result.find_local_symbol(method)
end
result
end