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Contents
module Debugger
class ConditionCommand < Command # :nodoc:
self.control = true
def regexp
/^\s* cond(?:ition)? (?:\s+(\d+)\s*(.*))?$/ix
end
def execute
if not @match[1]
errmsg "\"condition\" must be followed a breakpoint number and expression\n"
else
breakpoints = Debugger.breakpoints.sort_by{|b| b.id }
largest = breakpoints.inject(0) do |largest_so_far, b|
b.id if b.id > largest_so_far
end
if 0 == largest
print "No breakpoints have been set.\n"
return
end
pos = get_int(@match[1], "Condition", 1, largest)
return unless pos
breakpoints.each do |b|
if b.id == pos
b.expr = @match[2].empty? ? nil : Command.unescape_incoming(@match[2])
print_contdition_set(b.id)
break
end
end
end
end
class << self
def help_command
'condition'
end
def help(cmd)
%{
Condition breakpoint-number expression
Specify breakpoint number N to break only if COND is true.
N is an integer and COND is an expression to be evaluated whenever
breakpoint N is reached. If the empty string is used, the condition is removed.
}
end
end
end
end # module Debugger
Version data entries
20 entries across 12 versions & 4 rubygems