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fix number literals in the Ruby lexer #1456

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Mar 8, 2020
Merged

fix number literals in the Ruby lexer #1456

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27e788f
fix number literals in the Ruby lexer
gfx Mar 7, 2020
5cba4f8
Remove unnecessary escapes from character classes
pyrmont Mar 8, 2020
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7 changes: 5 additions & 2 deletions lib/rouge/lexers/ruby.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -170,8 +170,11 @@ def self.detect?(text)
rule %r/0_?[0-7]+(?:_[0-7]+)*/, Num::Oct
rule %r/0x[0-9A-Fa-f]+(?:_[0-9A-Fa-f]+)*/, Num::Hex
rule %r/0b[01]+(?:_[01]+)*/, Num::Bin
rule %r/\d+\.\d+(e[\+\-]?\d+)?/, Num::Float
rule %r/[\d]+(?:_\d+)*/, Num::Integer

decimal = %r/[\d]+(?:_\d+)*/
exp = %r/e[+-]?\d+/i
rule %r/#{decimal}(?:\.#{decimal}#{exp}?|#{exp})/, Num::Float
rule decimal, Num::Integer

# names
rule %r/@@[a-z_]\w*/i, Name::Variable::Class
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3 changes: 3 additions & 0 deletions spec/visual/samples/ruby
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Expand Up @@ -84,6 +84,9 @@ end

# It appears in Floats
2.3
1.2e3
1e23
1_2.3_4e5

# It appears in Range
1..10
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