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Highlight shortened lists for syzlang DSL #1808

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merged 1 commit into from
Feb 24, 2022
Merged

Highlight shortened lists for syzlang DSL #1808

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2 changes: 2 additions & 0 deletions lib/rouge/lexers/syzlang.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -148,6 +148,7 @@ def self.keywords_type

state :flags_list do
rule inline_spaces, Text
rule %r/\./, Punctuation
mixin :mixin_name
mixin :mixin_number
mixin :mixin_string
Expand All @@ -158,6 +159,7 @@ def self.keywords_type
state :syscall_args do
rule spaces, Text
rule comment, Comment
rule %r/\./, Punctuation
rule id do
token Name
push :arg_type
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25 changes: 25 additions & 0 deletions spec/lexers/syzlang_spec.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -301,6 +301,31 @@
['Keyword.Type', 'int16']
end

# The tests below check that the lexer can process inputs with lists and
# syscall arguments replaced with "...". This is useful for highlighting
# syzlang snippets that are shortened for readability.

it 'recognizes shortened flags lists' do
assert_tokens_equal "flags = FLAG1, FLAG2, ...",
['Name', 'flags'],
['Text', ' '],
['Punctuation', '='],
['Text', ' '],
['Name', 'FLAG1'],
['Punctuation', ','],
['Text', ' '],
['Name', 'FLAG2'],
['Punctuation', ','],
['Text', ' '],
['Punctuation', '...']
end

it 'recognizes shortened syscalls' do
assert_tokens_equal 'foo(...)',
['Name.Function', 'foo'],
['Punctuation', '(...)']
end

# The tests below check that the lexer can process inputs with relaxed
# whitespace usage and after-line comments. This is useful for highlighting
# syzlang snippets that are split into multiple lines for readability and
Expand Down