]> git.proxmox.com Git - ceph.git/blobdiff - ceph/src/civetweb/src/third_party/duktape-1.5.2/src-separate/duk_api_logging.c
import 12.2.13 release
[ceph.git] / ceph / src / civetweb / src / third_party / duktape-1.5.2 / src-separate / duk_api_logging.c
diff --git a/ceph/src/civetweb/src/third_party/duktape-1.5.2/src-separate/duk_api_logging.c b/ceph/src/civetweb/src/third_party/duktape-1.5.2/src-separate/duk_api_logging.c
new file mode 100644 (file)
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+/*
+ *  Logging
+ *
+ *  Current logging primitive is a sprintf-style log which is convenient
+ *  for most C code.  Another useful primitive would be to log N arguments
+ *  from value stack (like the Ecmascript binding does).
+ */
+
+#include "duk_internal.h"
+
+DUK_EXTERNAL void duk_log_va(duk_context *ctx, duk_int_t level, const char *fmt, va_list ap) {
+       /* stridx_logfunc[] must be static to allow initializer with old compilers like BCC */
+       static const duk_uint16_t stridx_logfunc[6] = {
+               DUK_STRIDX_LC_TRACE, DUK_STRIDX_LC_DEBUG, DUK_STRIDX_LC_INFO,
+               DUK_STRIDX_LC_WARN, DUK_STRIDX_LC_ERROR, DUK_STRIDX_LC_FATAL
+       };
+
+       DUK_ASSERT_CTX_VALID(ctx);
+
+       if (level < 0) {
+               level = 0;
+       } else if (level > (int) (sizeof(stridx_logfunc) / sizeof(duk_uint16_t)) - 1) {
+               level = (int) (sizeof(stridx_logfunc) / sizeof(duk_uint16_t)) - 1;
+       }
+
+       duk_push_hobject_bidx(ctx, DUK_BIDX_LOGGER_CONSTRUCTOR);
+       duk_get_prop_stridx(ctx, -1, DUK_STRIDX_CLOG);
+       duk_get_prop_stridx(ctx, -1, stridx_logfunc[level]);
+       duk_dup(ctx, -2);
+
+       /* [ ... Logger clog logfunc clog ] */
+
+       duk_push_vsprintf(ctx, fmt, ap);
+
+       /* [ ... Logger clog logfunc clog(=this) msg ] */
+
+       duk_call_method(ctx, 1 /*nargs*/);
+
+       /* [ ... Logger clog res ] */
+
+       duk_pop_3(ctx);
+}
+
+DUK_EXTERNAL void duk_log(duk_context *ctx, duk_int_t level, const char *fmt, ...) {
+       va_list ap;
+
+       DUK_ASSERT_CTX_VALID(ctx);
+
+       va_start(ap, fmt);
+       duk_log_va(ctx, level, fmt, ap);
+       va_end(ap);
+}