Author: [EMAIL PROTECTED]
Date: Wed Oct 15 01:50:22 2008
New Revision: 504
Modified:
branches/bleeding_edge/src/log.cc
Log:
Added a way to add timestamps to the log file name
Modified: branches/bleeding_edge/src/log.cc
==============================================================================
--- branches/bleeding_edge/src/log.cc (original)
+++ branches/bleeding_edge/src/log.cc Wed Oct 15 01:50:22 2008
@@ -31,6 +31,7 @@
#include "log.h"
#include "platform.h"
+#include "string-stream.h"
namespace v8 { namespace internal {
@@ -686,6 +687,37 @@
if (open_log_file) {
if (strcmp(FLAG_logfile, "-") == 0) {
logfile_ = stdout;
+ } else if (strchr(FLAG_logfile, '%') != NULL) {
+ // If there's a '%' in the log file name we have to expand
+ // placeholders.
+ HeapStringAllocator allocator;
+ StringStream stream(&allocator);
+ for (const char* p = FLAG_logfile; *p; p++) {
+ if (*p == '%') {
+ p++;
+ switch (*p) {
+ case '\0':
+ // If there's a % at the end of the string we back up
+ // one character so we can escape the loop properly.
+ p--;
+ break;
+ case 't': {
+ // %t expands to the current time in milliseconds.
+ uint32_t time =
static_cast<uint32_t>(OS::TimeCurrentMillis());
+ stream.Add("%u", time);
+ break;
+ }
+ default:
+ // All other %'s expand to themselves.
+ stream.Put(*p);
+ break;
+ }
+ } else {
+ stream.Put(*p);
+ }
+ }
+ SmartPointer<char> expanded = stream.ToCString();
+ logfile_ = OS::FOpen(*expanded, "w");
} else {
logfile_ = OS::FOpen(FLAG_logfile, "w");
}
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