feature(setup): base implementation

1 files changed, 43 insertions, 0 deletions

diff --git a/source/base/base_error.h b/source/base/base_error.h
new file mode 100644
index 0000000..4bf84fc
--- /dev/null
+++ b/source/base/base_error.h
@@ -0,0 +1,43 @@
+/* base library internal error checking system */
+#ifndef BASE_ERROR_H
+#define BASE_ERROR_H
+
+#define error_at(msg) \
+    do \
+    { \
+        os_write(STDERR_FD, Red "[ERROR] ", Len(Red "[ERROR] ")); \
+        write_string(STDERR_FD, __FILE__); \
+        write_string(STDERR_FD, ":"); \
+        write_int(__LINE__); \
+        write_string(STDERR_FD, " in "); \
+        write_string(STDERR_FD, __func__); \
+        write_string(STDERR_FD, ": "); \
+        write_string(STDERR_FD, (msg)); \
+        os_write(STDERR_FD, Reset "\n", Len(Reset "\n")); \
+    } while (0)
+
+#define _fatal(msg) \
+    do { \
+        error_at(msg); \
+        _exit(1); \
+    } while (0)
+
+#define assert_msg(expr, msg) \
+    do \
+    { \
+        if (!(expr)) _fatal(msg); \
+    } while (0)
+
+#define warn(msg) \
+    do \
+    { \
+        os_write(STDERR_FD, Yellow "[WARN] ", Len(Yellow "[WARN] ")); \
+        write_string(STDERR_FD, __FILE__); \
+        write_string(STDERR_FD, ":"); \
+        write_int(__LINE__); \
+        write_string(STDERR_FD, ": "); \
+        write_string(STDERR_FD, (msg)); \
+        os_write(STDERR_FD, Reset "\n", Len(Reset "\n")); \
+    } while (0)
+
+#endif /* BASE_ERROR_H */