From e172f568e3a04ba97cf48e20dc8ee555b4ac29dc Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Wed, 24 Aug 2022 11:14:51 -0500
Subject: add logging bindings

---
 src/logging/logging.c | 58 ++++++++++++++++++++++++++++++---------------------
 src/logging/logging.h |  4 ++++
 src/main.c            |  2 ++
 3 files changed, 40 insertions(+), 24 deletions(-)

diff --git a/src/logging/logging.c b/src/logging/logging.c
index 111d524..f7583c0 100644
--- a/src/logging/logging.c
+++ b/src/logging/logging.c
@@ -1,38 +1,50 @@
 #include <stdio.h>
 #include <stdarg.h>
 #include <lua.h>
+#include <honeysuckle.h>
 #include "logging/logging.h"
 
 int _honey_log_level = HONEY_WARN;
 
-void honey_set_log_level(int level)
+
+#define LUA_LOG(level) \
+int log_ ## level (lua_State *L) { \
+	char *msg; \
+	hs_parse_args(L, hs_str(msg)); \
+	honey_log_ ## level ("%s\n", msg); \
+	return 0; \
+}
+
+
+LUA_LOG(fatal);
+LUA_LOG(error);
+LUA_LOG(warn);
+LUA_LOG(info);
+LUA_LOG(debug);
+LUA_LOG(trace);
+
+
+void setup_logging(lua_State *L, int honey_tbl)
 {
-	_honey_log_level = level;
+	hs_create_table(L,
+		hs_str_cfunc("fatal", log_fatal),
+		hs_str_cfunc("error", log_error),
+		hs_str_cfunc("warn", log_warn),
+		hs_str_cfunc("info", log_info),
+		hs_str_cfunc("debug", log_debug),
+		hs_str_cfunc("trace", log_trace),
+	);
+
+	lua_setfield(L, honey_tbl, "log");
 }
 
-int log_fatal(lua_State *L)
+
+void honey_set_log_level(int level)
 {
-    //validate arguments
-    int count = lua_gettop(L);
-    if (count == 0) {
-        hs_throw_error(L, "no arguments provided");
-    }
-    if (!lua_isstring(L, 1)) {
-        hs_throw_error(L, "first argument must be a string");
-    }
-    lua_getglobal(L, "string");
-    if (lua_isnil(L, -1)) hs_throw_error(L, "'string' table is nil!");
-    lua_getfield(L, -1, "format"); //pushed string.format (function) to the lua stack
-    for (int i = 1; i <= count; i++) {
-        lua_pushvalue(L, i);
-    }
-    lua_call(L, count, 1);
-    const char *str = lua_tostring(L, -1); //getting result into a string
-    honey_log(HONEY_FATAL, "[FATAL] %s\n", str);
-    lua_pop(L, 2); //cleaned up stack
-    return 0;
+	_honey_log_level = level;
 }
 
+
 void honey_log(int level, const char *fmt, ...) {
   
 	if (level > _honey_log_level) return;
@@ -42,5 +54,3 @@ void honey_log(int level, const char *fmt, ...) {
 	vfprintf(stderr, fmt, args);
 	va_end(args);
 }
-
-  
diff --git a/src/logging/logging.h b/src/logging/logging.h
index f829169..758d7bc 100644
--- a/src/logging/logging.h
+++ b/src/logging/logging.h
@@ -1,6 +1,8 @@
 #ifndef HONEY_LOGGING_H
 #define HONEY_LOGGING_H
 
+#include <lua.h>
+
 #define HONEY_FATAL 0
 #define HONEY_ERROR 1
 #define HONEY_WARN  2
@@ -10,6 +12,8 @@
 
 extern int _honey_log_level;
 
+void setup_logging(lua_State *L, int honey_tbl);
+
 void honey_set_log_level(int level);
 void honey_log(int level, const char *fmt, ...);
 
diff --git a/src/main.c b/src/main.c
index 304d91d..f73da4c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,6 +6,7 @@
 #include "image/image.h"
 #include "glm/glm.h"
 #include "options/options.h"
+#include "logging/logging.h"
 
 
 int main(int argc, char **argv)
@@ -27,6 +28,7 @@ int main(int argc, char **argv)
 	setup_window(L, honey_index);
 	setup_image(L, honey_index);
 	setup_glm(L, honey_index);
+	setup_logging(L, honey_index);
 	lua_setglobal(L, "honey");
 
 	/* load main script */
-- 
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