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Diffstat (limited to 'etc/todo/scanners/sql.Josh Goebel.rb')
| -rw-r--r-- | etc/todo/scanners/sql.Josh Goebel.rb | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/etc/todo/scanners/sql.Josh Goebel.rb b/etc/todo/scanners/sql.Josh Goebel.rb deleted file mode 100644 index efa6990..0000000 --- a/etc/todo/scanners/sql.Josh Goebel.rb +++ /dev/null @@ -1,138 +0,0 @@ -# by Josh Goebel -module CodeRay module Scanners - - class SQL < Scanner - - register_for :sql - - RESERVED_WORDS = [ - 'create','table','index','trigger','drop', - 'primary','key', - 'select','insert','update','vacuum','delete','merge','replace','truncate', - 'into','on','from','values', - 'after','before', - 'and','or', - 'count','min','max','group','order','by','avg', - 'where','join','inner','outer','unique','union', - 'transaction', - 'begin','end', - ] - - PREDEFINED_TYPES = [ - 'char','varchar','enum','set','binary', - 'text','tinytext','mediumtext','longtext', - 'blob','tinyblob','mediumblob','longblob', - 'timestamp','date','time','datetime','year', - 'double','decimal','float', - 'int','integer','tinyint','mediumint','bigint', - 'bit','bool','boolean' - ] - - PREDEFINED_CONSTANTS = [ - 'null', 'true', 'false', 'not' - ] - - SQL_KIND= CaseIgnoringWordList.new(:ident). - add(RESERVED_WORDS, :reserved). - add(PREDEFINED_TYPES, :pre_type). - add(PREDEFINED_CONSTANTS, :pre_constant) - - IDENT_KIND = WordList.new(:ident) - - ESCAPE = / [rbfnrtv\n\\\/'"] | x[a-fA-F0-9]{1,2} | [0-7]{1,3} /x - UNICODE_ESCAPE = / u[a-fA-F0-9]{4} | U[a-fA-F0-9]{8} /x - - def scan_tokens tokens, options - - state = :initial - string_type = nil - - until eos? - - kind = :error - match = nil - - if state == :initial - - if scan(/ ^ -- .* $ /x) - kind = :comment - elsif scan(/ \s+ | \\\n /x) - kind = :space - - elsif scan(%r! // [^\n\\]* (?: \\. [^\n\\]* )* | /\* (?: .*? \*/ | .* ) !mx) - kind = :comment - - elsif match = scan(/ \# \s* if \s* 0 /x) - match << scan_until(/ ^\# (?:elif|else|endif) .*? $ | \z /xm) unless eos? - kind = :comment - - elsif scan(/ [-+*\/=<>?:;,!&^|()\[\]{}~%] | \.(?!\d) /x) - kind = :operator - - elsif match = scan(/ [A-Za-z_][A-Za-z_0-9]* /x) - kind = SQL_KIND[match.downcase] - kind = IDENT_KIND[match] if kind.nil? - - elsif match = scan(/[`"']/) - tokens << [:open, :string] - string_type = matched - state = :string - kind = :delimiter - - elsif scan(/0[xX][0-9A-Fa-f]+/) - kind = :hex - - elsif scan(/(?:0[0-7]+)(?![89.eEfF])/) - kind = :octal - - elsif scan(/(?:\d+)(?![.eEfF])/) - kind = :integer - - elsif scan(/\d[fF]?|\d*\.\d+(?:[eE][+-]?\d+)?[fF]?|\d+[eE][+-]?\d+[fF]?/) - kind = :float - - else - getch - end - - elsif state == :string - if scan(/[^\\"'`]+/) - kind = :content - elsif scan(/["'`]/) - if string_type==matched - tokens << [matched, :delimiter] - tokens << [:close, :string] - state = :initial - string_type=nil - next - else - kind = :content - end - elsif scan(/ \\ (?: #{ESCAPE} | #{UNICODE_ESCAPE} ) /mox) - kind = :content - elsif scan(/ \\ | $ /x) - kind = :error - state = :initial - else - raise "else case \" reached; %p not handled." % peek(1), tokens - end - - else - raise 'else-case reached', tokens - - end - - match ||= matched -# raise [match, kind], tokens if kind == :error - - tokens << [match, kind] - - end -# RAILS_DEFAULT_LOGGER.info tokens.inspect - tokens - - end - - end - -end end
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