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support Ruby 2.4's frozen string literals (1.4.x branch) #80

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support Ruby 2.4's frozen string literals (1.4.x branch) #80

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9495e63
support Ruby 2.4's frozen string literals
flavorjones Feb 16, 2017
4c8f763
set up automated testing to test ruby 2.4 frozen strings
flavorjones Feb 16, 2017
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2 changes: 2 additions & 0 deletions .github/workflows/ubuntu.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -20,3 +20,5 @@ jobs:
bundle install
- name: Run test
run: rake compile test
env:
RUBYOPT: "--enable-frozen-string-literal --debug=frozen-string-literal"
2 changes: 1 addition & 1 deletion lib/racc/grammarfileparser.rb
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Expand Up @@ -427,7 +427,7 @@ def skip_comment
$raccs_print_type = false

def scan_action
buf = ''
buf = String.new
nest = 1
pre = nil
@in_block = 'action'
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4 changes: 2 additions & 2 deletions lib/racc/parserfilegenerator.rb
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Expand Up @@ -235,7 +235,7 @@ def make_separator(src)
end

def unique_separator(id)
sep = "...end #{id}/module_eval..."
sep = String.new "...end #{id}/module_eval..."
while @used_separator.key?(sep)
sep.concat sprintf('%02x', rand(255))
end
Expand Down Expand Up @@ -329,7 +329,7 @@ def serialize_integer_list_compressed(name, table)
# TODO: this can be made a LOT more clean with a simple split/map
sep = "\n"
nsep = ",\n"
buf = ''
buf = String.new
com = ''
ncom = ','
co = com
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2 changes: 1 addition & 1 deletion lib/racc/statetransitiontable.rb
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Expand Up @@ -196,7 +196,7 @@ def addent(all, arr, chkval, ptr)
def mkmapexp(arr)
i = ii = 0
as = arr.size
map = ''
map = String.new
maxdup = RE_DUP_MAX
curr = nil
while i < as
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