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Support for files generated by Racc.

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This changeset includes a sample racc file from [this auto-generated
file](44e9bf0440/lib/rjson/parser.rb)
(MIT-licensed).

[Racc](https://github.com/tenderlove/racc) Racc is an LALR(1) parser
generator. It is written in Ruby itself, and generates ruby programs.
This commit is contained in:
Jared Kuolt
2015-10-09 16:20:59 -07:00
parent acfad4371f
commit 5ff580df0a
3 changed files with 285 additions and 1 deletions
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16
lib/linguist/generated.rb
View File

@@ -71,7 +71,8 @@ module Linguist
generated_jni_header? ||
vcr_cassette? ||
generated_module? ||
generated_unity3d_meta?
generated_unity3d_meta? ||
generated_racc?
end
# Internal: Is the blob an Xcode file?
@@ -359,5 +360,18 @@ module Linguist
return false unless lines.count > 1
return lines[0].include?("fileFormatVersion: ")
end
# Internal: Is this a Racc-generated file?
#
# A Racc-generated file contains:
# # This file is automatically generated by Racc x.y.z
# on the third line.
#
# Return true or false
def generated_racc?
return false unless extname == '.rb'
return false unless lines.count > 2
return lines[2].start_with?("# This file is automatically generated by Racc")
end
end
end