Module: MethodSource::CodeHelpers
- Included in:
- MethodSource, Pry::Code
- Defined in:
- lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/method_source-1.0.0/lib/method_source/code_helpers.rb
Defined Under Namespace
Modules: IncompleteExpression
Instance Method Summary collapse
-
#comment_describing(file, line_number) ⇒ String
Retrieve the comment describing the expression on the given line of the given file.
-
#complete_expression?(str) ⇒ Boolean
Determine if a string of code is a complete Ruby expression.
-
#expression_at(file, line_number, options = {}) ⇒ String
Retrieve the first expression starting on the given line of the given file.
Instance Method Details
#comment_describing(file, line_number) ⇒ String
Retrieve the comment describing the expression on the given line of the given file.
This is useful to get module or method documentation.
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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/method_source-1.0.0/lib/method_source/code_helpers.rb', line 52 def comment_describing(file, line_number) lines = file.is_a?(Array) ? file : file.each_line.to_a extract_last_comment(lines[0..(line_number - 2)]) end |
#complete_expression?(str) ⇒ Boolean
Determine if a string of code is a complete Ruby expression.
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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/method_source-1.0.0/lib/method_source/code_helpers.rb', line 66 def complete_expression?(str) old_verbose = $VERBOSE $VERBOSE = nil catch(:valid) do eval("BEGIN{throw :valid}\n#{str}") end # Assert that a line which ends with a , or \ is incomplete. str !~ /[,\\]\s*\z/ rescue IncompleteExpression false ensure $VERBOSE = old_verbose end |
#expression_at(file, line_number, options = {}) ⇒ String
Retrieve the first expression starting on the given line of the given file.
This is useful to get module or method source code.
line 1!
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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/method_source-1.0.0/lib/method_source/code_helpers.rb', line 20 def expression_at(file, line_number, ={}) = { :strict => false, :consume => 0 }.merge!() lines = file.is_a?(Array) ? file : file.each_line.to_a relevant_lines = lines[(line_number - 1)..-1] || [] extract_first_expression(relevant_lines, [:consume]) rescue SyntaxError => e raise if [:strict] begin extract_first_expression(relevant_lines) do |code| code.gsub(/\#\{.*?\}/, "temp") end rescue SyntaxError raise e end end |