Initial commit

include/except.h

@@ -0,0 +1,103 @@
+#ifndef EXCEPT_INCLUDED
+#define EXCEPT_INCLUDED
+
+#include <setjmp.h>
+struct Exception {
+    const char *reason;
+};
+typedef struct Exception Exception;
+
+struct Except_Frame {
+    struct Except_Frame *prev; 
+    jmp_buf env;               
+    const char *file;           
+    int line;
+    const struct Exception *exception;     
+};
+typedef struct Except_Frame Except_Frame;
+
+enum { 
+    EXCEPT_STATE_ENTERED=0, 
+    EXCEPT_STATE_RAISED,
+    EXCEPT_STATE_HANDLED,   
+    EXCEPT_STATE_FINALIZED,
+    EXCEPT_STATE_COUNT };
+
+extern struct Except_Frame *except_stack;
+extern const struct Exception assert_failed;
+void except_raise(const struct Exception *e, const char *file, int line);
+
+// Try Catch MACROS - LINUX
+#define RAISE(e) except_raise(&(e), __FILE__, __LINE__)
+#define RERAISE except_raise(except_frame.exception, \
+        except_frame.file, except_frame.line)
+#define RETURN switch (except_stack = except_stack->prev,0) default: return
+#define TRY do { \
+    volatile int except_flag; \
+    Except_Frame except_frame; \
+    except_frame.prev = except_stack; \
+    except_stack = &except_frame;  \
+    except_flag = setjmp(except_frame.env); \
+    if (except_flag == EXCEPT_STATE_ENTERED) {
+#define EXCEPT(e) \
+        if (except_flag == EXCEPT_STATE_ENTERED) except_stack = except_stack->prev; \
+    } else if (except_frame.exception == &(e)) { \
+        except_flag = EXCEPT_STATE_HANDLED;
+#define ELSE \
+        if (except_flag == EXCEPT_STATE_ENTERED) except_stack = except_stack->prev; \
+    } else { \
+        except_flag = EXCEPT_STATE_HANDLED;
+#define FINALLY \
+        if (except_flag == EXCEPT_STATE_ENTERED) except_stack = except_stack->prev; \
+    } { \
+        if (except_flag == EXCEPT_STATE_ENTERED) \
+        except_flag = EXCEPT_STATE_FINALIZED;
+#define END_TRY \
+        if (except_flag == EXCEPT_STATE_ENTERED) except_stack = except_stack->prev; \
+    } if (except_flag == EXCEPT_STATE_RAISED) RERAISE; \
+} while (0)
+
+
+// Try Catch MACROS - WIN32
+#ifdef WIN32
+#include <windows.h>
+
+extern int except_index;
+extern void except_init(void);
+extern void except_push(Except_Frame *fp);
+extern void except_pop(void);
+
+#define RAISE(e) except_raise(&(e), __FILE__, __LINE__)
+#define RERAISE except_raise(except_frame.exception, \
+        except_frame.file, except_frame.line)
+#define RETURN switch (except_pop(),0) default: return
+#define TRY do { \
+    volatile int except_flag; \
+    Except_Frame except_frame; \
+    if (except_index == -1) \
+    except_init(); \
+    except_push(&except_frame);  \
+    except_flag = setjmp(except_frame.env); \
+    if (except_flag == EXCEPT_STATE_ENTERED) {
+#define EXCEPT(e) \
+        if (except_flag == EXCEPT_STATE_ENTERED) except_pop(); \
+    } else if (except_frame.exception == &(e)) { \
+        except_flag = EXCEPT_STATE_HANDLED;
+#define ELSE \
+        if (except_flag == EXCEPT_STATE_ENTERED) except_pop(); \
+    } else { \
+        except_flag = EXCEPT_STATE_HANDLED;
+#define FINALLY \
+        if (except_flag == EXCEPT_STATE_ENTERED) except_pop(); \
+    } { \
+        if (except_flag == EXCEPT_STATE_ENTERED) \
+        except_flag = EXCEPT_STATE_FINALIZED;
+#define END_TRY \
+        if (except_flag == EXCEPT_STATE_ENTERED) except_pop(); \
+    } if (except_flag == EXCEPT_STATE_RAISED) RERAISE; \
+} while (0)
+#endif
+
+
+
+#endif // except.h

include/mem.h

@@ -0,0 +1,33 @@
+#ifndef MEM_INCLUDED
+#define MEM_INCLUDED
+
+#include "except.h" // Exceptions
+#include <stddef.h> // size_t
+
+/* General Macros*/
+#define MEM_KB(x) ((size_t)(x) * 1024ULL)
+#define MEM_MB(x) ((size_t)(x) * 1024ULL * 1024ULL)
+#define MEM_GB(x) ((size_t)(x) * 1024ULL * 1024ULL * 1024ULL)
+#define MEM_SIZE(x)    (ptrdiff_t)sizeof(x)
+#define MEM_COUNT(a)   (MEM_SIZE(a) / MEM_SIZE(*(a)))
+#define MEM_LEN(s)     (MEM_COUNT(s) - 1)
+
+/* Default behavior is to throw exceptions and zero out memory*/
+enum MemFlags {
+    NOZERO       = 1 << 0,  /* 0001 */
+    SOFT_FAIL    = 1 << 1,  /* 0010 */
+    HARD_FAIL    = 1 << 2,  /* 0100 */
+};
+
+extern const Exception OOM; // Out of memory
+
+extern void *mem_alloc (int flags, size_t nbytes, const char *file, int line);
+extern void mem_free(void *ptr, const char *file, int line);
+extern void *mem_resize(int flags, void *ptr, size_t nbytes, const char *file, int line);
+
+#define ALLOC(flags, nbytes)  mem_alloc((flags), (nbytes), __FILE__, __LINE__)
+#define FREE(ptr) ((void)(mem_free((ptr), __FILE__, __LINE__), (ptr) = 0))
+#define RESIZE(flags, ptr, nbytes) 	((ptr) = mem_resize((flags), (ptr), \
+	(nbytes), __FILE__, __LINE__))
+
+#endif