JezK
Edit File: condition.rb
# frozen_string_literal: true require_relative "../command" require_relative "../helpers/parse" module Byebug # # Implements conditions on breakpoints. # # Adds the ability to stop on breakpoints only under certain conditions. # class ConditionCommand < Command include Helpers::ParseHelper self.allow_in_post_mortem = true def self.regexp /^\s* cond(?:ition)? (?:\s+(\d+)(?:\s+(.*))?)? \s*$/x end def self.description <<-DESCRIPTION cond[ition] <n>[ expr] #{short_description} Specify breakpoint number <n> to break only if <expr> is true. <n> is an integer and <expr> is an expression to be evaluated whenever breakpoint <n> is reached. If no expression is specified, the condition is removed. DESCRIPTION end def self.short_description "Sets conditions on breakpoints" end def execute return puts(help) unless @match[1] breakpoints = Byebug.breakpoints.sort_by(&:id) return errmsg(pr("condition.errors.no_breakpoints")) if breakpoints.empty? pos, err = get_int(@match[1], "Condition", 1) return errmsg(err) if err breakpoint = breakpoints.find { |b| b.id == pos } return errmsg(pr("break.errors.no_breakpoint")) unless breakpoint return errmsg(pr("break.errors.not_changed", expr: @match[2])) unless syntax_valid?(@match[2]) breakpoint.expr = @match[2] end end end