mirror of
https://github.com/redmine/redmine.git
synced 2025-11-13 00:36:01 +01:00
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
224
vendor/gems/coderay-0.9.7/lib/coderay/scanners/java_script.rb
vendored
Normal file
224
vendor/gems/coderay-0.9.7/lib/coderay/scanners/java_script.rb
vendored
Normal file
@@ -0,0 +1,224 @@
|
||||
module CodeRay
|
||||
module Scanners
|
||||
|
||||
class JavaScript < Scanner
|
||||
|
||||
include Streamable
|
||||
|
||||
register_for :java_script
|
||||
file_extension 'js'
|
||||
|
||||
# The actual JavaScript keywords.
|
||||
KEYWORDS = %w[
|
||||
break case catch continue default delete do else
|
||||
finally for function if in instanceof new
|
||||
return switch throw try typeof var void while with
|
||||
]
|
||||
PREDEFINED_CONSTANTS = %w[
|
||||
false null true undefined
|
||||
]
|
||||
|
||||
MAGIC_VARIABLES = %w[ this arguments ] # arguments was introduced in JavaScript 1.4
|
||||
|
||||
KEYWORDS_EXPECTING_VALUE = WordList.new.add %w[
|
||||
case delete in instanceof new return throw typeof with
|
||||
]
|
||||
|
||||
# Reserved for future use.
|
||||
RESERVED_WORDS = %w[
|
||||
abstract boolean byte char class debugger double enum export extends
|
||||
final float goto implements import int interface long native package
|
||||
private protected public short static super synchronized throws transient
|
||||
volatile
|
||||
]
|
||||
|
||||
IDENT_KIND = WordList.new(:ident).
|
||||
add(RESERVED_WORDS, :reserved).
|
||||
add(PREDEFINED_CONSTANTS, :pre_constant).
|
||||
add(MAGIC_VARIABLES, :local_variable).
|
||||
add(KEYWORDS, :keyword)
|
||||
|
||||
ESCAPE = / [bfnrtv\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
|
||||
REGEXP_ESCAPE = / [bBdDsSwW] /x
|
||||
STRING_CONTENT_PATTERN = {
|
||||
"'" => /[^\\']+/,
|
||||
'"' => /[^\\"]+/,
|
||||
'/' => /[^\\\/]+/,
|
||||
}
|
||||
KEY_CHECK_PATTERN = {
|
||||
"'" => / (?> [^\\']* (?: \\. [^\\']* )* ) ' \s* : /mx,
|
||||
'"' => / (?> [^\\"]* (?: \\. [^\\"]* )* ) " \s* : /mx,
|
||||
}
|
||||
|
||||
def scan_tokens tokens, options
|
||||
|
||||
state = :initial
|
||||
string_delimiter = nil
|
||||
value_expected = true
|
||||
key_expected = false
|
||||
function_expected = false
|
||||
|
||||
until eos?
|
||||
|
||||
kind = nil
|
||||
match = nil
|
||||
|
||||
case state
|
||||
|
||||
when :initial
|
||||
|
||||
if match = scan(/ \s+ | \\\n /x)
|
||||
value_expected = true if !value_expected && match.index(?\n)
|
||||
tokens << [match, :space]
|
||||
next
|
||||
|
||||
elsif scan(%r! // [^\n\\]* (?: \\. [^\n\\]* )* | /\* (?: .*? \*/ | .* ) !mx)
|
||||
value_expected = true
|
||||
kind = :comment
|
||||
|
||||
elsif check(/\.?\d/)
|
||||
key_expected = value_expected = false
|
||||
if scan(/0[xX][0-9A-Fa-f]+/)
|
||||
kind = :hex
|
||||
elsif scan(/(?>0[0-7]+)(?![89.eEfF])/)
|
||||
kind = :oct
|
||||
elsif scan(/\d+[fF]|\d*\.\d+(?:[eE][+-]?\d+)?[fF]?|\d+[eE][+-]?\d+[fF]?/)
|
||||
kind = :float
|
||||
elsif scan(/\d+/)
|
||||
kind = :integer
|
||||
end
|
||||
|
||||
elsif value_expected && match = scan(/<([[:alpha:]]\w*) (?: [^\/>]*\/> | .*?<\/\1>)/xim)
|
||||
# FIXME: scan over nested tags
|
||||
xml_scanner.tokenize match
|
||||
value_expected = false
|
||||
next
|
||||
|
||||
elsif match = scan(/ [-+*=<>?:;,!&^|(\[{~%]+ | \.(?!\d) /x)
|
||||
value_expected = true
|
||||
last_operator = match[-1]
|
||||
key_expected = (last_operator == ?{) || (last_operator == ?,)
|
||||
function_expected = false
|
||||
kind = :operator
|
||||
|
||||
elsif scan(/ [)\]}]+ /x)
|
||||
function_expected = key_expected = value_expected = false
|
||||
kind = :operator
|
||||
|
||||
elsif match = scan(/ [$a-zA-Z_][A-Za-z_0-9$]* /x)
|
||||
kind = IDENT_KIND[match]
|
||||
value_expected = (kind == :keyword) && KEYWORDS_EXPECTING_VALUE[match]
|
||||
# TODO: labels
|
||||
if kind == :ident
|
||||
if match.index(?$) # $ allowed inside an identifier
|
||||
kind = :predefined
|
||||
elsif function_expected
|
||||
kind = :function
|
||||
elsif check(/\s*[=:]\s*function\b/)
|
||||
kind = :function
|
||||
elsif key_expected && check(/\s*:/)
|
||||
kind = :key
|
||||
end
|
||||
end
|
||||
function_expected = (kind == :keyword) && (match == 'function')
|
||||
key_expected = false
|
||||
|
||||
elsif match = scan(/["']/)
|
||||
if key_expected && check(KEY_CHECK_PATTERN[match])
|
||||
state = :key
|
||||
else
|
||||
state = :string
|
||||
end
|
||||
tokens << [:open, state]
|
||||
string_delimiter = match
|
||||
kind = :delimiter
|
||||
|
||||
elsif value_expected && (match = scan(/\/(?=\S)/))
|
||||
tokens << [:open, :regexp]
|
||||
state = :regexp
|
||||
string_delimiter = '/'
|
||||
kind = :delimiter
|
||||
|
||||
elsif scan(/ \/ /x)
|
||||
value_expected = true
|
||||
key_expected = false
|
||||
kind = :operator
|
||||
|
||||
else
|
||||
getch
|
||||
kind = :error
|
||||
|
||||
end
|
||||
|
||||
when :string, :regexp, :key
|
||||
if scan(STRING_CONTENT_PATTERN[string_delimiter])
|
||||
kind = :content
|
||||
elsif match = scan(/["'\/]/)
|
||||
tokens << [match, :delimiter]
|
||||
if state == :regexp
|
||||
modifiers = scan(/[gim]+/)
|
||||
tokens << [modifiers, :modifier] if modifiers && !modifiers.empty?
|
||||
end
|
||||
tokens << [:close, state]
|
||||
string_delimiter = nil
|
||||
key_expected = value_expected = false
|
||||
state = :initial
|
||||
next
|
||||
elsif state != :regexp && (match = scan(/ \\ (?: #{ESCAPE} | #{UNICODE_ESCAPE} ) /mox))
|
||||
if string_delimiter == "'" && !(match == "\\\\" || match == "\\'")
|
||||
kind = :content
|
||||
else
|
||||
kind = :char
|
||||
end
|
||||
elsif state == :regexp && scan(/ \\ (?: #{ESCAPE} | #{REGEXP_ESCAPE} | #{UNICODE_ESCAPE} ) /mox)
|
||||
kind = :char
|
||||
elsif scan(/\\./m)
|
||||
kind = :content
|
||||
elsif scan(/ \\ | $ /x)
|
||||
tokens << [:close, state]
|
||||
kind = :error
|
||||
key_expected = value_expected = false
|
||||
state = :initial
|
||||
else
|
||||
raise_inspect "else case \" reached; %p not handled." % peek(1), tokens
|
||||
end
|
||||
|
||||
else
|
||||
raise_inspect 'Unknown state', tokens
|
||||
|
||||
end
|
||||
|
||||
match ||= matched
|
||||
if $CODERAY_DEBUG and not kind
|
||||
raise_inspect 'Error token %p in line %d' %
|
||||
[[match, kind], line], tokens
|
||||
end
|
||||
raise_inspect 'Empty token', tokens unless match
|
||||
|
||||
tokens << [match, kind]
|
||||
|
||||
end
|
||||
|
||||
if [:string, :regexp].include? state
|
||||
tokens << [:close, state]
|
||||
end
|
||||
|
||||
tokens
|
||||
end
|
||||
|
||||
protected
|
||||
|
||||
def reset_instance
|
||||
super
|
||||
@xml_scanner.reset if defined? @xml_scanner
|
||||
end
|
||||
|
||||
def xml_scanner
|
||||
@xml_scanner ||= CodeRay.scanner :xml, :tokens => @tokens, :keep_tokens => true, :keep_state => false
|
||||
end
|
||||
|
||||
end
|
||||
|
||||
end
|
||||
end
|
||||
Reference in New Issue
Block a user