8000 Kotlin by mikrethor · Pull Request #258 · rubychan/coderay · GitHub
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Kotlin #258

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8defb26
Kotlin: initial scanner implementation
Aug 5, 2017
63c5556
Kotlin: prepare smoke test
Aug 5, 2017
10ae520
Kotlin: implement multiline strings, fix nested braces
Aug 6, 2017
b1fbdab
Kotlin: smoke test and expected test data
Aug 6, 2017
356644e
Kotlin: fix regexp escapes
Aug 6, 2017
57ede8c
Merge branch 'master' of https://github.com/mikrethor/coderay into ko…
Dec 21, 2021
a88b0a9
Formating for to comply with rubocop
Dec 21, 2021
8000
04aeafa
Indent
Dec 21, 2021
26092c3
include?
Dec 21, 2021
4ea6ae2
redundant else
Dec 21, 2021
b82b9e4
redundant else
Dec 21, 2021
1a0c3e4
Missing space after #
Dec 21, 2021
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Formating for to comply with rubocop
  • Loading branch information
“mikrethor” committed Dec 21, 2021
commit a88b0a9f7921b6edc5cdf76d5f89d3ac6ced2516
257 changes: 128 additions & 129 deletions lib/coderay/scanners/kotlin.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -25,20 +25,19 @@ class interface object fun init get set
inner
]

TYPES = %w[
TYPES = %w[
Boolean Byte Char class Double Float Int Long Short Unit Nothing Any
]

STRING_CONTENT_PATTERN = {
"'" => /[^\\'$]+/,
'"' => /[^\\"$]+/,
} # :nodoc:s
"'" => /[^\\'$]+/,
'"' => /[^\\"$]+/,
} # :nodoc:s

IDENT_KIND = Java::IDENT_KIND.dup.
add(TYPES, :type).
add(KOTLIN_KEYWORDS, :keyword).
add(KOTLIN_MODIFIERS, :keyword) # :nodoc:

add(TYPES, :type).
add(KOTLIN_KEYWORDS, :keyword).
add(KOTLIN_MODIFIERS, :keyword) # :nodoc:

def setup
@state = :initial
Expand All @@ -56,137 +55,137 @@ def scan_tokens encoder, options

case state

when :initial
if (match = scan(/ \s+ | \\\n /x))
encoder.text_token match, :space
next
elsif (match = scan(%r! // [^\n\\]* (?: \\. [^\n\\]* )* | /\* (?: .*? \*/ | .* ) !mx))
encoder.text_token match, :comment
next
elsif (match = scan(/ TODO \( /ox))
encoder.text_token "TODO", :comment
encoder.text_token "(", :operator
elsif (match = scan(/ #{IDENT} /ox))
kind = IDENT_KIND[match]
if last_token_dot
kind = :ident
elsif class_name_follows
kind = :class
class_name_follows = false
else
case match
when 'import'
package_name_expected = :include
when 'package'
package_name_expected = :namespace
when 'class', 'interface'
class_name_follows = true
else
# nothing
end
end
encoder.text_token match, kind
elsif (match = scan(/ \.(?!\d) | [,?:()\[\]] | -- | \+\+ | && | \|\| | \*\*=? | [-+*\/%^~&|<>=!]=? /x))
encoder.text_token match, :operator
elsif (match = scan(/\{/))
when :initial
if (match = scan(/ \s+ | \\\n /x))
encoder.text_token match, :space
next
elsif (match = scan(%r! // [^\n\\]* (?: \\. [^\n\\]* )* | /\* (?: .*? \*/ | .* ) !mx))
encoder.text_token match, :comment
next
elsif (match = scan(/ TODO \( /ox))
encoder.text_token "TODO", :comment
encoder.text_token "(", :operator
elsif (match = scan(/ #{IDENT} /ox))
kind = IDENT_KIND[match]
if last_token_dot
kind = :ident
elsif class_name_follows
kind = :class
class_name_follows = false
encoder.text_token match, :operator
states << :initial
elsif (match = scan(/\}/))
encoder.text_token match, :operator

unless states.empty?
state = states.pop

if state == :string || state == :multiline_string
string_delimiter = delimiters.pop
encoder.end_group :initial
end
else
case match
when 'import'
package_name_expected = :include
when 'package'
package_name_expected = :namespace
when 'class', 'interface'
class_name_follows = true
else
# nothing
end
elsif (match = scan(/"""/))
state = :multiline_string
encoder.begin_group :string
encoder.text_token match, :delimiter
elsif (match = scan(/["']/))
state = :string
encoder.begin_group state
string_delimiter = match
encoder.text_token match, :delimiter
elsif check(/[\d.]/)
if (match = scan(/0[xX][0-9A-Fa-f]+/))
encoder.text_token match, :hex
elsif (match = scan(/(?>0[0-7]+)(?![89.eEfF])/))
encoder.text_token match, :octal
elsif (match = scan(/\d+[fFdD]|\d*\.\d+(?:[eE][+-]?\d+)?[fFdD]?|\d+[eE][+-]?\d+[fFdD]?/))
encoder.text_token match, :float
elsif (match = scan(/\d+[lL]?/))
encoder.text_token match, :integer
end
encoder.text_token match, kind
elsif (match = scan(/ \.(?!\d) | [,?:()\[\]] | -- | \+\+ | && | \|\| | \*\*=? | [-+*\/%^~&|<>=!]=? /x))
encoder.text_token match, :operator
elsif (match = scan(/\{/))
class_name_follows = false
encoder.text_token match, :operator
states << :initial
elsif (match = scan(/\}/))
encoder.text_token match, :operator

unless states.empty?
state = states.pop

if state == :string || state == :multiline_string
string_delimiter = delimiters.pop
encoder.end_group :initial
end

elsif (match = scan(/ @ #{IDENT} /ox))
encoder.text_token match, :annotation

else
encoder.text_token getch, :error
end
elsif (match = scan(/"""/))
state = :multiline_string
encoder.begin_group :string
encoder.text_token match, :delimiter
elsif (match = scan(/["']/))
state = :string
encoder.begin_group state
string_delimiter = match
encoder.text_token match, :delimiter
elsif check(/[\d.]/)
if (match = scan(/0[xX][0-9A-Fa-f]+/))
encoder.text_token match, :hex
elsif (match = scan(/(?>0[0-7]+)(?![89.eEfF])/))
encoder.text_token match, :octal
elsif (match = scan(/\d+[fFdD]|\d*\.\d+(?:[eE][+-]?\d+)?[fFdD]?|\d+[eE][+-]?\d+[fFdD]?/))
encoder.text_token match, :float
elsif (match = scan(/\d+[lL]?/))
encoder.text_token match, :integer
end

when :string
if (match = scan(/\$\{/))
encoder.text_token match, :operator

state = :initial
encoder.begin_group state
elsif (match = scan(/ @ #{IDENT} /ox))
encoder.text_token match, :annotation

delimiters << string_delimiter
states << :string
string_delimiter = nil
elsif (match = scan(/ \$ #{IDENT} /ox))
encoder.text_token match, :ident
elsif (match = scan(STRING_CONTENT_PATTERN[string_delimiter]))
encoder.text_token match, :content
elsif (match = scan(/ \\ (?: #{ESCAPE} | #{UNICODE_ESCAPE} ) /mox))
if string_delimiter == "'" && !(match == "\\\\" || match == "\\'")
encoder.text_token match, :content
else
encoder.text_token match, :char
end
elsif (match = scan(/["']/))
encoder.text_token match, :delimiter
encoder.end_group state
state = :initial
string_delimiter = nil
elsif (match = scan(/ \\ | $ /x))
encoder.end_group state
state = :initial
encoder.text_token match, :error unless match.empty?
else
raise_inspect "else case \" reached; %p not handled." % peek(1), encoder
end
when :multiline_string
if (match = scan(/\$\{/))
encoder.text_token match, :operator

state = :initial
encoder.begin_group state

delimiters << nil
states << :multiline_string
elsif (match = scan(/ \$ #{IDENT} /ox))
encoder.text_token match, :ident
elsif (match = scan(/ [^$\\"]+ /x))
encoder.text_token match, :content
elsif (match = scan(/"""/x))
encoder.text_token match, :delimiter
encoder.end_group :string
state = :initial
string_delimiter = nil
elsif (match = scan(/"/))
else
encoder.text_token getch, :error
end

when :string
if (match = scan(/\$\{/))
encoder.text_token match, :operator

state = :initial
encoder.begin_group state

delimiters << string_delimiter
states << :string
string_delimiter = nil
elsif (match = scan(/ \$ #{IDENT} /ox))
encoder.text_token match, :ident
elsif (match = scan(STRING_CONTENT_PATTERN[string_delimiter]))
encoder.text_token match, :content
elsif (match = scan(/ \\ (?: #{ESCAPE} | #{UNICODE_ESCAPE} ) /mox))
if string_delimiter == "'" && !(match == "\\\\" || match == "\\'")
encoder.text_token match, :content
else
raise_inspect "else case \" reached; %p not handled." % peek(1), encoder
encoder.text_token match, :char
end
elsif (match = scan(/["']/))
encoder.text_token match, :delimiter
encoder.end_group state
state = :initial
string_delimiter = nil
elsif (match = scan(/ \\ | $ /x))
encoder.end_group state
state = :initial
encoder.text_token match, :error unless match.empty?
else
raise_inspect "else case \" reached; %p not handled." % peek(1), encoder
end
when :multiline_string
if (match = scan(/\$\{/))
encoder.text_token match, :operator

state = :initial
encoder.begin_group state

delimiters << nil
states << :multiline_string
elsif (match = scan(/ \$ #{IDENT} /ox))
encoder.text_token match, :ident
elsif (match = scan(/ [^$\\"]+ /x))
encoder.text_token match, :content
elsif (match = scan(/"""/x))
encoder.text_token match, :delimiter
encoder.end_group :string
state = :initial
string_delimiter = nil
elsif (match = scan(/"/))
encoder.text_token match, :content
else
raise_inspect 'Unknown state', encoder
raise_inspect "else case \" reached; %p not handled." % peek(1), encoder
end
else
raise_inspect 'Unknown state', encoder
end

end
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