Module: RuboCop::Cop::AutocorrectUnlessChangingAST
- Included in:
- Style::AndOr, Style::BlockDelimiters, Style::Lambda, Style::Not
- Defined in:
- lib/rubocop/cop/mixin/autocorrect_unless_changing_ast.rb
Overview
This module does auto-correction of nodes that could become grammatically different after the correction. If the code change would alter the abstract syntax tree, it is not done.
Instance Method Summary collapse
Instance Method Details
#autocorrect(node) ⇒ Object
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# File 'lib/rubocop/cop/mixin/autocorrect_unless_changing_ast.rb', line 9 def autocorrect(node) current_buffer_src = processed_source.buffer.source replaced_range = node.loc.expression pre = current_buffer_src[0...replaced_range.begin_pos] post = current_buffer_src[replaced_range.end_pos..-1] new_buffer_src = pre + rewrite_node(node) + post # Make the correction only if it doesn't change the AST for the buffer. if processed_source.ast != ProcessedSource.new(new_buffer_src).ast fail CorrectionNotPossible end @corrections << correction(node) end |