hphp/runtime/vm/srckey.cpp

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-2014 Facebook, Inc. (http://www.facebook.com)     |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16
  17 #include "hphp/runtime/vm/srckey.h"
  18
  19 #include "folly/Format.h"
  20
  21 #include "hphp/runtime/vm/hhbc.h"
  22
  23 namespace HPHP {
  24
  25 std::string SrcKey::showInst() const {
  26   return instrToString(reinterpret_cast<const Op*>(unit()->at(offset())));
  27 }
  28
  29 std::string show(SrcKey sk) {
  30   auto func = sk.func();
  31   auto unit = sk.unit();
  32   const char *filepath = "*anonFile*";
  33   if (unit->filepath()->data() && unit->filepath()->size()) {
  34     filepath = unit->filepath()->data();
  35   }
  36   return folly::format("{}:{} in {}(id 0x{:#x})@{: >6}{}",
  37                        filepath, unit->getLineNumber(sk.offset()),
  38                        func->isPseudoMain() ? "pseudoMain"
  39                                             : func->fullName()->data(),
  40                        (uint32_t)sk.getFuncId(), sk.offset(),
  41                        sk.resumed() ? "r" : "").str();
  42 }
  43
  44 std::string showShort(SrcKey sk) {
  45   if (!sk.valid()) return "<invalid SrcKey>";
  46   return folly::format("{}(id {:#x})@{}{}",
  47                        sk.func()->fullName()->data(), sk.getFuncId(),
  48                        sk.offset(), sk.resumed() ? "r" : "").str();
  49 }
  50
  51 void sktrace(SrcKey sk, const char *fmt, ...) {
  52   if (!Trace::enabled) return;
  53
  54   auto inst = instrToString((Op*)sk.unit()->at(sk.offset()));
  55   Trace::trace("%s: %20s ", show(sk).c_str(), inst.c_str());
  56   va_list a;
  57   va_start(a, fmt);
  58   Trace::vtrace(fmt, a);
  59   va_end(a);
  60 }
  61
  62 std::string SrcKey::getSymbol() const {
  63   const Func* f = func();
  64   const Unit* u = unit();
  65
  66   if (f->isBuiltin()) {
  67     return f->fullName()->data();
  68   }
  69
  70   if (f->isPseudoMain()) {
  71     return folly::format(
  72       "{{pseudo-main}}::{}::line-{}",
  73       u->filepath()->data(),
  74       u->getLineNumber(offset())
  75     ).str();
  76   }
  77
  78   if (f->isMethod() && !f->cls()) {
  79     return folly::format(
  80       "{}::{}::line-{}",
  81       f->preClass()->name()->data(),
  82       f->name()->data(),
  83       u->getLineNumber(offset())
  84     ).str();
  85   }
  86
  87   // methods with a cls() and functions
  88   return folly::format(
  89     "{}::line-{}",
  90     f->fullName()->data(),
  91     u->getLineNumber(offset())
  92   ).str();
  93 }
  94
  95 }