Pulled rust_srv in its own file. Some cleanup, and added varargs to assertion macros.

1 files changed, 121 insertions, 0 deletions

diff --git a/src/rt/rust_srv.cpp b/src/rt/rust_srv.cpp
new file mode 100644
index 00000000..9239f643
--- /dev/null
+++ b/src/rt/rust_srv.cpp
@@ -0,0 +1,121 @@
+/*
+ *
+ */
+
+#include "rust_internal.h"
+#include "rust_srv.h"
+
+#define TRACK_ALLOCATIONS
+
+rust_srv::rust_srv() : _live_allocations(0) {
+    // Nop.
+}
+
+rust_srv::~rust_srv() {
+    if (_live_allocations != 0) {
+        char msg[128];
+        snprintf(msg, sizeof(msg),
+                 "leaked memory in rust main loop (%" PRIuPTR " objects)",
+                 _live_allocations);
+#ifdef TRACK_ALLOCATIONS
+        for (size_t i = 0; i < _allocation_list.size(); i++) {
+            if (_allocation_list[i] != NULL) {
+                printf("allocation 0x%" PRIxPTR " was not freed\n",
+                        (uintptr_t) _allocation_list[i]);
+            }
+        }
+#endif
+        fatal(msg, __FILE__, __LINE__, "");
+    }
+}
+
+void *
+rust_srv::malloc(size_t bytes) {
+    ++_live_allocations;
+    void * val = ::malloc(bytes);
+#ifdef TRACK_ALLOCATIONS
+    _allocation_list.append(val);
+#endif
+    return val;
+}
+
+void *
+rust_srv::realloc(void *p, size_t bytes) {
+    if (!p) {
+        _live_allocations++;
+    }
+    void * val = ::realloc(p, bytes);
+#ifdef TRACK_ALLOCATIONS
+    if (_allocation_list.replace(p, val) == false) {
+        printf("realloc: ptr 0x%" PRIxPTR " is not in allocation_list\n",
+               (uintptr_t) p);
+        fatal("not in allocation_list", __FILE__, __LINE__, "");
+    }
+#endif
+    return val;
+}
+
+void
+rust_srv::free(void *p) {
+#ifdef TRACK_ALLOCATIONS
+    if (_allocation_list.replace(p, NULL) == false) {
+        printf("free: ptr 0x%" PRIxPTR " is not in allocation_list\n",
+               (uintptr_t) p);
+        fatal("not in allocation_list", __FILE__, __LINE__, "");
+    }
+#endif
+    if (_live_allocations < 1) {
+        fatal("live_allocs < 1", __FILE__, __LINE__, "");
+    }
+    _live_allocations--;
+    ::free(p);
+}
+
+void
+rust_srv::log(char const *msg) {
+    printf("rt: %s\n", msg);
+}
+
+void
+rust_srv::fatal(const char *expression,
+    const char *file,
+    size_t line,
+    const char *format,
+    ...) {
+    char buf[1024];
+    va_list args;
+    va_start(args, format);
+    vsnprintf(buf, sizeof(buf), format, args);
+    va_end(args);
+
+    char msg[1024];
+    snprintf(msg, sizeof(msg),
+             "fatal, '%s' failed, %s:%d %s",
+             expression, file, (int)line, buf);
+    log(msg);
+    exit(1);
+}
+
+void
+rust_srv::warning(char const *expression,
+    char const *file,
+    size_t line,
+    const char *format,
+    ...) {
+    char buf[1024];
+    va_list args;
+    va_start(args, format);
+    vsnprintf(buf, sizeof(buf), format, args);
+    va_end(args);
+
+    char msg[1024];
+    snprintf(msg, sizeof(msg),
+             "warning: '%s', at: %s:%d %s",
+             expression, file, (int)line, buf);
+    log(msg);
+}
+
+rust_srv *
+rust_srv::clone() {
+    return new rust_srv();
+}