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Change bin/prism lex, add bin/prism lex_compat #3706

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Merged
kddnewton merged 1 commit into from
Nov 5, 2025
Merged

Change bin/prism lex, add bin/prism lex_compat #3706

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17 changes: 17 additions & 0 deletions bin/prism
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ module Prism
when "encoding" then encoding(argv)
when "error" then error(argv)
when "lex" then lex(argv)
when "lex_compat" then lex_compat(argv)
when "locals" then locals(argv)
when "parse" then parse(argv)
when "parser" then parser(argv)
Expand All @@ -31,6 +32,7 @@ module Prism
bin/prism encoding [encoding]
bin/prism error [name] [source]
bin/prism lex [source]
bin/prism lex_compat [source]
bin/prism locals [source]
bin/prism parse [source]
bin/prism parser [source]
Expand Down Expand Up @@ -195,6 +197,21 @@ module Prism
# bin/prism lex [source]
def lex(argv)
source, filepath = read_source(argv)
prism = Prism.lex(source, filepath: filepath)
max_token_type_length = prism.value.max_by { |token,| token.type.length }[0].type.length

prism.value.each do |token,|
loc = token.location
puts(format(
"%-#{max_token_type_length + 1}s(%s,%s)-(%s,%s) %s",
token.type, loc.start_line, loc.start_column, loc.end_line, loc.end_column, token.value.inspect
))
end
end

# bin/prism lex_compat [source]
def lex_compat(argv)
source, filepath = read_source(argv)

ripper_value =
begin
Expand Down