Class: Byebug::ListCommand
- Includes:
- Helpers::FileHelper, Helpers::ParseHelper
- Defined in:
- lib/byebug/commands/list.rb
Overview
List parts of the source code.
Instance Method Summary collapse
Methods included from Helpers::ParseHelper
#get_int, #parse_steps, #syntax_valid?, #without_stderr
Methods included from Helpers::FileHelper
#get_line, #get_lines, #n_lines, #normalize
Methods inherited from Command
#help, #initialize, #match, subcommands, to_name
Methods included from Helpers::StringHelper
Constructor Details
This class inherits a constructor from Byebug::Command
Instance Method Details
#description ⇒ Object
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# File 'lib/byebug/commands/list.rb', line 31 def description <<-EOD l[ist][[-=]][ nn-mm] Lists lines of code forward from current line or from the place where code was last listed. If "list-" is specified, lists backwards instead. If "list=" is specified, lists from current line regardless of where code was last listed. A line range can also be specified to list specific sections of code. EOD end |
#execute ⇒ Object
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# File 'lib/byebug/commands/list.rb', line 17 def execute exist = File.exist?(@state.file) return errmsg "No sourcefile available for #{@state.file}\n" unless exist @match ||= match('list') max_lines = n_lines(@state.file) b, e = range(@match[2], max_lines) return errmsg('Invalid line range') unless valid_range?(b, e, max_lines) display_lines(b, e) @state.prev_line = b end |
#regexp ⇒ Object
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# File 'lib/byebug/commands/list.rb', line 13 def regexp /^\s* l(?:ist)? (?:\s*([-=])|\s+(\S+))? \s*$/x end |