1# -*- mode: ruby; coding: us-ascii -*-
2firstline, predefined = __LINE__+1, %[\
11 method_missing MethodMissing
13 singleton_method_added
15 singleton_method_removed
17 singleton_method_undefined
77 respond_to? Respond_to
78 respond_to_missing? Respond_to_missing
82 core#set_variable_alias
85 core#define_singleton_method
99# VM ID OP Parser Token
137class KeywordError < RuntimeError
138 def self.raise(mesg, line)
139 super(self, mesg, ["#{__FILE__}:#{line}", *caller])
143def id2varname(token, prefix = nil)
145 token = "_#{token.gsub(/\W+/, '_')}"
147 token = token.sub(/\?/, 'P')
148 token = prefix + token if prefix
149 token.sub!(/\A[a-z]/) {$&.upcase}
150 token.sub!(/\A\$/, "_G_")
151 token.sub!(/\A@@/, "_C_")
152 token.sub!(/\A@/, "_I_")
153 token.gsub!(/\W+/, "")
168predefined.split(/^/).each_with_index do |line, num|
170 line.sub!(/\s+#.*/, '')
171 name, token = line.split
173 token = id2varname(token || name)
175 preserved_ids << token
178 if prev = names[name]
179 KeywordError.raise("#{name} is already registered at line #{prev+firstline}", firstline+num)
181 if prev = predefined_ids[token]
182 KeywordError.raise("#{token} is already used for #{prev} at line #{names[prev]+firstline}", firstline+num)
186 when /\A[A-Z]\w*\z/; const_ids
187 when /\A(?!\d)\w+\z/; local_ids
188 when /\A\$(?:\d+|(?!\d)\w+|\W)\z/; global_ids
189 when /\A@@(?!\d)\w+\z/; class_ids
190 when /\A@(?!\d)\w+\z/; instance_ids
191 when /\A((?!\d)\w+)=\z/; attrset_ids
194 predefined_ids[token] = name
196token_ops.split(/^/).each do |line|
198 line.sub!(/\s+#.*/, '')
199 id, op, token = line.split
200 next unless id and op
201 token ||= (id unless /\A\W\z/ =~ op)
202 token_op_ids << [id, op, token]
205 "LOCAL" => local_ids,
206 "INSTANCE" => instance_ids,
207 "GLOBAL" => global_ids,
208 "CONST" => const_ids,
209 "CLASS" => class_ids,
210 "ATTRSET" => attrset_ids,
211 :preserved => preserved_ids,
212 :predefined => predefined_ids,
213 :token_op => token_op_ids,