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path: root/tools/trace/tinter/tinter.py
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import sys
from thost import *
from utils import *

try:
    from lib.parser import *
except:
    print "--> You should run yapps on lib/parser.g"


class TInter:

    def __init__(self, infile, prgm, cb = None):
        self.__infile = infile
        self.__events = None
        self.__file = None
        self.__host = THost(prgm)

        if cb != None and cb != "":
            self.__cb_file = cb.strip('.py').replace('/', '.')
        else:
            self.__cb_file = None

    def __events_get (self):
        infile = open (self.__infile, 'r')
        events = parse ('parser', infile.read())
        infile.close()
        return events

    def __callback (self, event, data):
        if event.callback == None:
            string = event.string_get()
            string = string % tuple (data)
        else:
            exec "from " + self.__cb_file + " import " + event.callback
            string = locals()[event.callback](data)
        return string

    def __event_print (self, events, memory):
        if len(memory) > 0:
            cmd = get_size (memory, 2)
            memory = memory[2:]
            if cmd < len(events):
                e = events[cmd]
                vals = [ ]
                for i in range (0, e.param_nb()):
                    p = e.param_get(i)
                    size = p.length()
                    vals.append (get_size (memory, size))
                    memory = memory[size:]
                string = self.__callback (e, vals)

                if self.__file == None:
                    print string[1:len(string)-1]
                else:
                    self.__file.write (string[1:len(string)-1] + "\n")

                return memory
            else:
                return None

    def __dump (self, val):
        print "Dump trace ", val
        self.__host.dump_memory (val)
        memory = self.__host.get_trace ()

        events = self.__events_get ()
        if self.__outfile != None:
            self.__file = open (self.__outfile, 'w')
            self.__file.write ('APBTeam v1.0 Log interpretor\n')

        while memory != None:
            memory = self.__event_print(events, memory)

        if self.__file != None:
            self.__file.close ()

    def available_traces (self):
        traces = self.__host.trace_list()
        print "Traces available "
        for i in traces:
            print i

    def trace_print (self, trace_num = None):
        events = self.__events_get ()

        if trace_num != None:
            traces = self.__host.trace_list()
            if traces.count (trace_num) >= 1:
                self.__dump (trace_num)
            else:
                print "Trace not available."
        else:
            traces = self.__host.trace_list()
            val = max(traces)
            self.__dump (val)