feature(base): ascii colors, error framework ( ai help ). testing idea meta program. refactor

8 files changed, 105 insertions, 51 deletions

diff --git a/source/base/base.h b/source/base/base.h
index cf2a15f..e1af950 100755
--- a/source/base/base.h
+++ b/source/base/base.h
@@ -70,4 +70,12 @@ typedef intptr_t  smm;
 #define TRUE (1 == 1)
 #define FALSE (1 != 1)
 
+#define RED "\x1b[31m"
+#define GREEN "\x1b[32m"
+#define RESET "\x1b[0m"
+#define BLUE "\x1b[34m"
+#define YELLOW "\x1b[33m"
+
+#define LEN(s) (sizeof(s) - 1)
+
 #endif
diff --git a/source/base/base_arena.c b/source/base/base_arena.c
index 5855e5e..7e9c44b 100755
--- a/source/base/base_arena.c
+++ b/source/base/base_arena.c
@@ -110,7 +110,7 @@ arena_resize_align(mem_arena *arena, void *old_memory, u64 new_size, u64 old_siz
     }
     else
     {
-        check(0);
+        verify(0);
     }
     return NULL;
 }
diff --git a/source/base/base_error.h b/source/base/base_error.h
index e69de29..b2bb4c0 100644
--- a/source/base/base_error.h
+++ b/source/base/base_error.h
@@ -0,0 +1,47 @@
+/* base library internal logging 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 */
diff --git a/source/base/base_include.h b/source/base/base_include.h
index 07856d0..c8eec41 100755
--- a/source/base/base_include.h
+++ b/source/base/base_include.h
@@ -15,10 +15,11 @@
 #include "base_mem.h"
 #include "base_arena.h"
 #include "base_stack.h"
-#include "base_test.h"
 #include "base_string.h"
+
 #include "base_io.h"
-#include "base_os.h"
+#include "base_error.h"
+#include "base_test.h"
 
 #ifdef BASE_UNITY
 
@@ -26,4 +27,8 @@
 #include "base_stack.c"
 
 #endif
+
+#include "base_os.h"
+
+
 #endif
diff --git a/source/base/base_io.h b/source/base/base_io.h
index a90b41e..ac55737 100644
--- a/source/base/base_io.h
+++ b/source/base/base_io.h
@@ -32,4 +32,29 @@ print(const char *str)
 
 }
 
+internal void
+write_int(s32 num)
+{
+
+    if (num < 0)
+    {
+        write(STDERR_FILENO, "-", 1);
+        num = -num;
+    }
+    if (num >= 10)
+        write_int(num / 10);
+    char digit = '0' + (num % 10);
+
+    write(STDERR_FILENO, &digit, 1);
+}
+
+internal void
+write_string(s32 fd, const char *str)
+{
+    s32 len = 0;
+    while (str[len]) len++;
+    os_write(fd, str, len);
+}
+
+
 #endif /* BASE_IO_H */
diff --git a/source/base/base_os.h b/source/base/base_os.h
index abe8628..9397fbb 100644
--- a/source/base/base_os.h
+++ b/source/base/base_os.h
@@ -2,21 +2,28 @@
 #define BASE_OS_H
 
 internal string8
-load_file(const char *path)
+load_file(mem_arena *arena, const char *path)
 {
     string8 result = {0};
     struct stat sbuf = {0};
 
     s32 file = open(path, O_RDONLY);
-    if(file == -1) return result;
+    if(file == -1)
+    {
+        warn("fialed to open file. path could be invalid");
+        return (string8){0};
+    }
 
     if(fstat(file, &sbuf) == -1)
     {
-        print("error: fstat failed");
+        warn("error: fstat failed");
         close(file);
-        return result;
+        return (string8){0};
     }
 
+
+    result = PushString(arena, sbuf.st_size);
+
     result.size = (u64)sbuf.st_size;
     if(result.size != 0)
     {
diff --git a/source/base/base_string.h b/source/base/base_string.h
index ef2cf16..29ccf1e 100644
--- a/source/base/base_string.h
+++ b/source/base/base_string.h
@@ -1,17 +1,7 @@
 #ifndef BASE_STRING_H
 #define BASE_STRING_H
 
-#define StringLit(string) \
-    (string8){ .data = (u8 *)(string), .size = (sizeof(string) - 1) }
-
-#define PushString(arena, size) \
-    ({ \
-        string8 *result = PushStruct((arena), string8); \
-        result->data = PushArray((arena), u8, (size)); \
-        result->size = (u64)(size); \
-        result; \
-    })
-
+#define PushString(arena, count) (string8){ .data = (PushArrayZero(arena, u8, (count))), .size = (count) } 
 #define StringCast(data, size) (string8){(u8 *)(data), (u64)(size) } 
 #define StringPCast(data, size) (string8 *){(u8 *)(data), (u64)(size) } 
 
diff --git a/source/base/base_test.h b/source/base/base_test.h
index 7619cfb..fd47abc 100644
--- a/source/base/base_test.h
+++ b/source/base/base_test.h
@@ -1,29 +1,10 @@
+// TODO(nasr): metaprogram that takes an expected output and generates a test for that specified 
+// function
+/* base library testing framework */
 #ifndef BASE_TEST_H
 #define BASE_TEST_H
 
-#define RED "\x1b[31m"
-#define GREEN "\x1b[32m"
-#define RESET "\x1b[0m"
-#define BLUE "\x1b[34m"
-
-#define LEN(s) (sizeof(s) - 1)
-
-internal void
-write_int(s32 num)
-{
-
-    if (num < 0)
-    {
-        write(STDERR_FILENO, "-", 1);
-        num = -num;
-    }
-    if (num >= 10)
-        write_int(num / 10);
-    char digit = '0' + (num % 10);
-
-    write(STDERR_FILENO, &digit, 1);
-}
-
+// helper macro
 #define show \
     do \
     { \
@@ -45,7 +26,7 @@ write_int(s32 num)
         } \
     }
 
-#define check(expr) \
+#define verify(expr) \
     { \
         if ((expr) != 0) \
         { \
@@ -62,13 +43,4 @@ write_int(s32 num)
         } \
     }
 
-#define checkpoint_output "<<CHECKPOINT>>\n"
-#define checkpoint_end_output "^^^^^^^^^^^^^^\n\n\n"
-#define checkpoint \
-    { \
-        write(STDERR_FILENO, BLUE checkpoint_output, LEN(BLUE checkpoint_output)); \
-        show; \
-        write(STDERR_FILENO, BLUE checkpoint_end_output, LEN(BLUE checkpoint_end_output)); \
-    }
-
 #endif /* BASE_TEST_H */