84 lines
2.8 KiB
Ruby
84 lines
2.8 KiB
Ruby
# typed: strict
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# frozen_string_literal: true
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# Used by the `inreplace` function (in `utils.rb`).
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class StringInreplaceExtension
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sig { returns(T::Array[String]) }
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attr_accessor :errors
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sig { returns(String) }
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attr_accessor :inreplace_string
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sig { params(string: String).void }
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def initialize(string)
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@inreplace_string = string
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@errors = T.let([], T::Array[String])
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end
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# Same as `String#sub!`, but warns if nothing was replaced.
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#
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# @api public
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sig { params(before: T.any(Regexp, String), after: String).returns(T.nilable(String)) }
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def sub!(before, after)
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result = inreplace_string.sub!(before, after)
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errors << "expected replacement of #{before.inspect} with #{after.inspect}" unless result
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result
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end
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# Same as `String#gsub!`, but warns if nothing was replaced.
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#
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# @api public
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sig {
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params(
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before: T.any(Pathname, Regexp, String),
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after: T.any(Pathname, String),
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old_audit_result: T.nilable(T::Boolean),
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audit_result: T::Boolean,
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).returns(T.nilable(String))
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}
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def gsub!(before, after, old_audit_result = nil, audit_result: true)
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# NOTE: must check for `#nil?` and not `#blank?`, or else `old_audit_result = false` will not call `odeprecated`.
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unless old_audit_result.nil?
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# odeprecated "gsub!(before, after, #{old_audit_result})",
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# "gsub!(before, after, audit_result: #{old_audit_result})"
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audit_result = old_audit_result
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end
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before = before.to_s if before.is_a?(Pathname)
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result = inreplace_string.gsub!(before, after.to_s)
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errors << "expected replacement of #{before.inspect} with #{after.inspect}" if audit_result && result.nil?
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result
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end
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# Looks for Makefile style variable definitions and replaces the
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# value with "new_value", or removes the definition entirely.
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#
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# @api public
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sig { params(flag: String, new_value: T.any(String, Pathname)).void }
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def change_make_var!(flag, new_value)
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return if gsub!(/^#{Regexp.escape(flag)}[ \t]*[\\?+:!]?=[ \t]*((?:.*\\\n)*.*)$/, "#{flag}=#{new_value}", false)
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errors << "expected to change #{flag.inspect} to #{new_value.inspect}"
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end
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# Removes variable assignments completely.
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#
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# @api public
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sig { params(flags: T.any(String, T::Array[String])).void }
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def remove_make_var!(flags)
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Array(flags).each do |flag|
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# Also remove trailing \n, if present.
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unless gsub!(/^#{Regexp.escape(flag)}[ \t]*[\\?+:!]?=(?:.*\\\n)*.*$\n?/, "", false)
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errors << "expected to remove #{flag.inspect}"
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end
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end
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end
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# Finds the specified variable.
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#
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# @api public
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sig { params(flag: String).returns(String) }
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def get_make_var(flag)
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T.must(inreplace_string[/^#{Regexp.escape(flag)}[ \t]*[\\?+:!]?=[ \t]*((?:.*\\\n)*.*)$/, 1])
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end
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end
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