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Contents
module Debugger
class TraceCommand < Command # :nodoc:
def regexp
/^\s* tr(?:ace)? (?: \s+ (\S+)) # on |off | var(iable)
(?: \s+ (\S+))? # (all | variable-name)?
(?: \s+ (\S+))? \s* # (stop | nostop)?
$/ix
end
def execute
if @match[1] =~ /on|off/
onoff = 'on' == @match[1]
if @match[2]
Debugger.current_context.tracing = onoff
print "Tracing %s all threads.\n" % (onoff ? 'on' : 'off')
else
Debugger.tracing = onoff
print "Tracing %s on current thread.\n" % (onoff ? 'on' : 'off')
end
elsif @match[1] =~ /var(?:iable)?/
varname=@match[2]
if debug_eval("defined?(#{varname})")
if @match[3] && @match[3] !~ /(:?no)?stop/
errmsg("expecting 'stop' or 'nostop'; got %s\n" % @match[3])
else
dbg_cmd = if @match[3] && (@match[3] !~ /nostop/)
'debugger' else '' end
end
eval("
trace_var(:#{varname}) do |val|
print \"traced variable #{varname} has value \#{val}\n\"
#{dbg_cmd}
end")
else
errmsg "#{varname} is not a global variable.\n"
end
else
errmsg("expecting 'on', 'off', 'var' or 'variable'; got: %s\n" %
@match[1])
end
end
class << self
def help_command
'trace'
end
def help(cmd)
%{
tr[ace] (on|off)\tset trace mode of current thread
tr[ace] (on|off) all\tset trace mode of all threads
tr[ace] var(iable) VARNAME [stop|nostop]\tset trace variable on VARNAME
}
end
end
end
end
Version data entries
41 entries across 41 versions & 9 rubygems