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Coderay upgraded to 0.9.7 (#5344).
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4739 e93f8b46-1217-0410-a6f0-8f06a7374b81
This commit is contained in:
Jean-Philippe Lang
264
vendor/gems/coderay-0.9.7/lib/coderay/scanners/groovy.rb
vendored
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264
vendor/gems/coderay-0.9.7/lib/coderay/scanners/groovy.rb
vendored
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@@ -0,0 +1,264 @@
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module CodeRay
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module Scanners
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load :java
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class Groovy < Java
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include Streamable
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register_for :groovy
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# TODO: Check this!
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GROOVY_KEYWORDS = %w[
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as assert def in
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]
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KEYWORDS_EXPECTING_VALUE = WordList.new.add %w[
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case instanceof new return throw typeof while as assert in
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]
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GROOVY_MAGIC_VARIABLES = %w[ it ]
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IDENT_KIND = Java::IDENT_KIND.dup.
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add(GROOVY_KEYWORDS, :keyword).
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add(GROOVY_MAGIC_VARIABLES, :local_variable)
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ESCAPE = / [bfnrtv$\n\\'"] | x[a-fA-F0-9]{1,2} | [0-7]{1,3} /x
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UNICODE_ESCAPE = / u[a-fA-F0-9]{4} /x # no 4-byte unicode chars? U[a-fA-F0-9]{8}
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REGEXP_ESCAPE = / [bfnrtv\n\\'"] | x[a-fA-F0-9]{1,2} | [0-7]{1,3} | \d | [bBdDsSwW\/] /x
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# TODO: interpretation inside ', ", /
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STRING_CONTENT_PATTERN = {
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"'" => /(?>\\[^\\'\n]+|[^\\'\n]+)+/,
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'"' => /[^\\$"\n]+/,
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"'''" => /(?>[^\\']+|'(?!''))+/,
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'"""' => /(?>[^\\$"]+|"(?!""))+/,
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'/' => /[^\\$\/\n]+/,
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}
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def scan_tokens tokens, options
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state = :initial
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inline_block_stack = []
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inline_block_paren_depth = nil
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string_delimiter = nil
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import_clause = class_name_follows = last_token = after_def = false
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value_expected = true
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until eos?
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kind = nil
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match = nil
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case state
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when :initial
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if match = scan(/ \s+ | \\\n /x)
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tokens << [match, :space]
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if match.index ?\n
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import_clause = after_def = false
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value_expected = true unless value_expected
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end
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next
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elsif scan(%r! // [^\n\\]* (?: \\. [^\n\\]* )* | /\* (?: .*? \*/ | .* ) !mx)
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value_expected = true
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after_def = false
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kind = :comment
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elsif bol? && scan(/ \#!.* /x)
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kind = :doctype
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elsif import_clause && scan(/ (?!as) #{IDENT} (?: \. #{IDENT} )* (?: \.\* )? /ox)
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after_def = value_expected = false
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kind = :include
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elsif match = scan(/ #{IDENT} | \[\] /ox)
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kind = IDENT_KIND[match]
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value_expected = (kind == :keyword) && KEYWORDS_EXPECTING_VALUE[match]
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if last_token == '.'
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kind = :ident
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elsif class_name_follows
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kind = :class
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class_name_follows = false
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elsif after_def && check(/\s*[({]/)
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kind = :method
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after_def = false
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elsif kind == :ident && last_token != '?' && check(/:/)
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kind = :key
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else
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class_name_follows = true if match == 'class' || (import_clause && match == 'as')
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import_clause = match == 'import'
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after_def = true if match == 'def'
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end
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elsif scan(/;/)
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import_clause = after_def = false
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value_expected = true
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kind = :operator
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elsif scan(/\{/)
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class_name_follows = after_def = false
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value_expected = true
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kind = :operator
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if !inline_block_stack.empty?
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inline_block_paren_depth += 1
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end
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# TODO: ~'...', ~"..." and ~/.../ style regexps
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elsif match = scan(/ \.\.<? | \*?\.(?!\d)@? | \.& | \?:? | [,?:(\[] | -[->] | \+\+ |
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&& | \|\| | \*\*=? | ==?~ | <=?>? | [-+*%^~&|>=!]=? | <<<?=? | >>>?=? /x)
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value_expected = true
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value_expected = :regexp if match == '~'
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after_def = false
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kind = :operator
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elsif match = scan(/ [)\]}] /x)
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value_expected = after_def = false
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if !inline_block_stack.empty? && match == '}'
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inline_block_paren_depth -= 1
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if inline_block_paren_depth == 0 # closing brace of inline block reached
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tokens << [match, :inline_delimiter]
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tokens << [:close, :inline]
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state, string_delimiter, inline_block_paren_depth = inline_block_stack.pop
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next
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end
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end
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kind = :operator
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elsif check(/[\d.]/)
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after_def = value_expected = false
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if scan(/0[xX][0-9A-Fa-f]+/)
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kind = :hex
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elsif scan(/(?>0[0-7]+)(?![89.eEfF])/)
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kind = :oct
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elsif scan(/\d+[fFdD]|\d*\.\d+(?:[eE][+-]?\d+)?[fFdD]?|\d+[eE][+-]?\d+[fFdD]?/)
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kind = :float
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elsif scan(/\d+[lLgG]?/)
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kind = :integer
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end
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elsif match = scan(/'''|"""/)
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after_def = value_expected = false
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state = :multiline_string
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tokens << [:open, :string]
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string_delimiter = match
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kind = :delimiter
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# TODO: record.'name'
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elsif match = scan(/["']/)
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after_def = value_expected = false
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state = match == '/' ? :regexp : :string
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tokens << [:open, state]
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string_delimiter = match
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kind = :delimiter
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elsif value_expected && (match = scan(/\//))
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after_def = value_expected = false
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tokens << [:open, :regexp]
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state = :regexp
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string_delimiter = '/'
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kind = :delimiter
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elsif scan(/ @ #{IDENT} /ox)
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after_def = value_expected = false
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kind = :annotation
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elsif scan(/\//)
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after_def = false
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value_expected = true
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kind = :operator
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else
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getch
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kind = :error
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end
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when :string, :regexp, :multiline_string
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if scan(STRING_CONTENT_PATTERN[string_delimiter])
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kind = :content
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elsif match = scan(state == :multiline_string ? /'''|"""/ : /["'\/]/)
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tokens << [match, :delimiter]
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if state == :regexp
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# TODO: regexp modifiers? s, m, x, i?
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modifiers = scan(/[ix]+/)
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tokens << [modifiers, :modifier] if modifiers && !modifiers.empty?
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end
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state = :string if state == :multiline_string
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tokens << [:close, state]
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string_delimiter = nil
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after_def = value_expected = false
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state = :initial
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next
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elsif (state == :string || state == :multiline_string) &&
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(match = scan(/ \\ (?: #{ESCAPE} | #{UNICODE_ESCAPE} ) /mox))
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if string_delimiter[0] == ?' && !(match == "\\\\" || match == "\\'")
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kind = :content
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else
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kind = :char
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end
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elsif state == :regexp && scan(/ \\ (?: #{REGEXP_ESCAPE} | #{UNICODE_ESCAPE} ) /mox)
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kind = :char
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elsif match = scan(/ \$ #{IDENT} /mox)
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tokens << [:open, :inline]
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tokens << ['$', :inline_delimiter]
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match = match[1..-1]
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tokens << [match, IDENT_KIND[match]]
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tokens << [:close, :inline]
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next
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elsif match = scan(/ \$ \{ /x)
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tokens << [:open, :inline]
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tokens << ['${', :inline_delimiter]
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inline_block_stack << [state, string_delimiter, inline_block_paren_depth]
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inline_block_paren_depth = 1
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state = :initial
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next
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elsif scan(/ \$ /mx)
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kind = :content
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elsif scan(/ \\. /mx)
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kind = :content
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elsif scan(/ \\ | \n /x)
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tokens << [:close, state]
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kind = :error
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after_def = value_expected = false
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state = :initial
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else
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raise_inspect "else case \" reached; %p not handled." % peek(1), tokens
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end
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else
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raise_inspect 'Unknown state', tokens
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end
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match ||= matched
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if $CODERAY_DEBUG and not kind
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raise_inspect 'Error token %p in line %d' %
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[[match, kind], line], tokens
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end
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raise_inspect 'Empty token', tokens unless match
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last_token = match unless [:space, :comment, :doctype].include? kind
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tokens << [match, kind]
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end
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if [:multiline_string, :string, :regexp].include? state
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tokens << [:close, state]
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end
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tokens
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end
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end
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end
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end
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