[17] | 1 | require 'logger'
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| 2 | require 'rubygems'
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| 3 | require 'yaparc'
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| 4 |
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| 5 |
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| 6 |
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| 7 | module OpenEHR
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| 8 | module ADL
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| 9 | module Scanner
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| 10 | module DADL
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| 11 | # c.f. http://www.openehr.org/svn/ref_impl_eiffel/TRUNK/components/adl_parser/src/syntax/adl/parser/adl_scanner.l
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[18] | 12 | RESERVED = {
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[17] | 13 | 'true' => :SYM_TRUE, #[Tt][Rr][Uu][Ee] -- -> SYM_TRUE
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| 14 | 'false' => :SYM_FALSE, # [Ff][Aa][Ll][Ss][Ee] -- -> SYM_FALSE
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| 15 | 'infinity' => :SYM_INFINITY # [Ii][Nn][Ff][Ii][Nn][Ii][Tt][Yy] -- -> SYM_INFINITY
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| 16 | }
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| 17 |
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[18] | 18 | LOG = Logger.new('log/scanner.log','daily')
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[17] | 19 |
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| 20 | class RootScanner
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| 21 | include Yaparc::Parsable
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| 22 | def initialize
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| 23 | @parser = lambda do |input|
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[18] | 24 | Yaparc::Alt.new(Reserved.new,
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[17] | 25 | V_QUALIFIED_TERM_CODE_REF.new,
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[18] | 26 | V_LOCAL_TERM_CODE_REF.new,
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| 27 | ERR_V_QUALIFIED_TERM_CODE_REF.new,
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| 28 | V_TYPE_IDENTIFIER.new,
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| 29 | V_GENERIC_TYPE_IDENTIFIER.new,
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| 30 | V_STRING.new,
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| 31 | V_LOCAL_CODE.new,
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| 32 | V_REAL.new
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[17] | 33 | )
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| 34 | end
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| 35 | end
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| 36 | end
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| 37 |
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[18] | 38 | class Reserved
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| 39 | include Yaparc::Parsable
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| 40 |
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| 41 | def initialize
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| 42 | @parser = lambda do |input|
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| 43 | reserved_parsers = OpenEHR::ADL::Scanner::DADL::RESERVED.map do |keyword|
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| 44 | Yaparc::Tokenize.new(Yaparc::Literal.new(keyword))
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| 45 | end
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| 46 | Yaparc::Alt.new(Yaparc::Apply.new(Yaparc::Alt.new(*reserved_parsers)) do |match|
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| 47 | LOG.info("Reserved: #{match}")
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| 48 | [OpenEHR::ADL::Scanner::DADL::RESERVED[match], OpenEHR::ADL::Scanner::DADL::RESERVED[match]]
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| 49 | end,
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| 50 | Yaparc::Apply.new(Yaparc::Regex.new(/\A[a-z][a-zA-Z0-9_]*/)) do |match|
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| 51 | LOG.info("V_ATTRIBUTE_IDENTIFIER: #{match}")
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| 52 | [:V_ATTRIBUTE_IDENTIFIER, match]
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| 53 | end)
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| 54 | end
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| 55 | end
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| 56 | end
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| 57 |
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[17] | 58 | class V_QUALIFIED_TERM_CODE_REF
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| 59 | include Yaparc::Parsable
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| 60 | def initialize
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| 61 | @parser = lambda do |input|
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| 62 | Yaparc::Apply.new(Yaparc::Regex.new(/\A\[[a-zA-Z0-9()\._-]+::[a-zA-Z0-9\._-]+\]/)) do |match|
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| 63 | LOG.info("V_QUALIFIED_TERM_CODE_REF: #{match}")
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| 64 | [:V_QUALIFIED_TERM_CODE_REF, match]
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| 65 | end
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| 66 | end
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| 67 | end
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| 68 | end
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| 69 |
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| 70 | class V_LOCAL_TERM_CODE_REF
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| 71 | include Yaparc::Parsable
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| 72 | def initialize
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| 73 | @parser = lambda do |input|
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| 74 | Yaparc::Apply.new(Yaparc::Regex.new(/\A\[[a-zA-Z0-9][a-zA-Z0-9._\-]*\]/)) do |match|
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| 75 | LOG.info("V_TERM_CODE_REF: #{match}")
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| 76 | [:V_LOCAL_TERM_CODE_REF, match]
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| 77 | end
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| 78 | end
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| 79 | end
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| 80 | end
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[18] | 81 |
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| 82 | class ERR_V_QUALIFIED_TERM_CODE_REF
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| 83 | include Yaparc::Parsable
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| 84 | def initialize
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| 85 | @parser = lambda do |input|
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| 86 | Yaparc::Apply.new(Yaparc::Regex.new(/\A\[[a-zA-Z0-9._\- ]+::[a-zA-Z0-9._\- ]+\]/)) do |match|
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| 87 | LOG.info("ERR_V_QUALIFIED_TERM_CODE_REF: #{match}")
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| 88 | [:ERR_V_QUALIFIED_TERM_CODE_REF, match]
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| 89 | end
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| 90 | end
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| 91 | end
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| 92 | end
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| 93 |
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| 94 | class V_TYPE_IDENTIFIER
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| 95 | include Yaparc::Parsable
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| 96 | def initialize
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| 97 | @parser = lambda do |input|
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| 98 | Yaparc::Apply.new(Yaparc::Regex.new(/\A[A-Z][a-zA-Z0-9_]*/)) do |match|
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| 99 | LOG.info("V_TYPE_IDENTIFIER: #{match}")
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| 100 | [:V_TYPE_IDENTIFIER, match]
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| 101 | end
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| 102 | end
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| 103 | end
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| 104 | end
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| 105 |
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| 106 | class V_GENERIC_TYPE_IDENTIFIER
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| 107 | include Yaparc::Parsable
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| 108 | def initialize
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| 109 | @parser = lambda do |input|
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| 110 | Yaparc::Apply.new(Yaparc::Regex.new(/\A[A-Z][a-zA-Z0-9_]*<[a-zA-Z0-9,_<>]+>/)) do |match|
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| 111 | LOG.info("V_GENERIC_TYPE_IDENTIFIER: #{match}")
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| 112 | [:V_GENERIC_TYPE_IDENTIFIER, match]
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| 113 | end
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| 114 | end
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| 115 | end
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| 116 | end
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| 117 |
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| 118 |
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| 119 | class V_LOCAL_CODE
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| 120 | include Yaparc::Parsable
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| 121 | def initialize
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| 122 | @parser = lambda do |input|
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| 123 | Yaparc::Apply.new(Yaparc::Regex.new(/\Aa[ct][0-9.]+/)) do |match|
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| 124 | LOG.info("V_LOCAL_CODE: #{match}")
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| 125 | [:V_LOCAL_CODE, match]
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| 126 | end
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| 127 | end
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| 128 | end
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| 129 | end
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| 130 |
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| 131 | class V_STRING
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| 132 | include Yaparc::Parsable
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| 133 | def initialize
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| 134 | @parser = lambda do |input|
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| 135 | Yaparc::Apply.new(Yaparc::Regex.new(/\A"([^"]*)"/m)) do |match|
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| 136 | LOG.info("V_STRING: #{match}")
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| 137 | [:V_STRING, match]
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| 138 | end
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| 139 | end
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| 140 | end
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| 141 | end
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| 142 |
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| 143 | class V_REAL
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| 144 | include Yaparc::Parsable
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| 145 | def initialize
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| 146 | @parser = lambda do |input|
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| 147 | Yaparc::Apply.new(Yaparc::Regex.new(/\A[0-9]+\.[0-9]+|[0-9]+\.[0-9]+[eE][+-]?[0-9]+/)) do |match|
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| 148 | LOG.info("V_REAL: #{match}")
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| 149 | [:V_REAL, match]
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| 150 | end
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| 151 | end
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| 152 | end
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| 153 | end
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| 154 |
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[17] | 155 | end # of DADL
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[18] | 156 |
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[17] | 157 | module CADL
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| 158 | # c.f. http://www.openehr.org/svn/ref_impl_eiffel/TRUNK/components/adl_parser/src/syntax/cadl/parser/cadl_scanner.l
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| 159 | end
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| 160 | end
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| 161 | end
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| 162 | end
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