Type queries

Macros
#define	croc_isNull(t, slot)   (croc_type((t), (slot)) == CrocType_Null)
#define	croc_isBool(t, slot)   (croc_type((t), (slot)) == CrocType_Bool)
#define	croc_isInt(t, slot)   (croc_type((t), (slot)) == CrocType_Int)
#define	croc_isFloat(t, slot)   (croc_type((t), (slot)) == CrocType_Float)
#define	croc_isNativeobj(t, slot)   (croc_type((t), (slot)) == CrocType_Nativeobj)
#define	croc_isString(t, slot)   (croc_type((t), (slot)) == CrocType_String)
#define	croc_isWeakref(t, slot)   (croc_type((t), (slot)) == CrocType_Weakref)
#define	croc_isTable(t, slot)   (croc_type((t), (slot)) == CrocType_Table)
#define	croc_isNamespace(t, slot)   (croc_type((t), (slot)) == CrocType_Namespace)
#define	croc_isArray(t, slot)   (croc_type((t), (slot)) == CrocType_Array)
#define	croc_isMemblock(t, slot)   (croc_type((t), (slot)) == CrocType_Memblock)
#define	croc_isFunction(t, slot)   (croc_type((t), (slot)) == CrocType_Function)
#define	croc_isFuncdef(t, slot)   (croc_type((t), (slot)) == CrocType_Funcdef)
#define	croc_isClass(t, slot)   (croc_type((t), (slot)) == CrocType_Class)
#define	croc_isInstance(t, slot)   (croc_type((t), (slot)) == CrocType_Instance)
#define	croc_isThread(t, slot)   (croc_type((t), (slot)) == CrocType_Thread)

Functions
CrocType	croc_type (CrocThread *t, word_t slot)
word_t	croc_pushTypeString (CrocThread *t, word_t slot)
int	croc_isNum (CrocThread *t, word_t slot)
int	croc_isChar (CrocThread *t, word_t slot)

Detailed Description

Checking the types of values.

Macro Definition Documentation

#define croc_isNull	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Null)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isBool	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Bool)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isInt	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Int)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isFloat	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Float)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isNativeobj	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Nativeobj)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isString	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_String)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isWeakref	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Weakref)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isTable	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Table)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isNamespace	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Namespace)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isArray	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Array)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isMemblock	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Memblock)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isFunction	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Function)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isFuncdef	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Funcdef)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isClass	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Class)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isInstance	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Instance)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

#define croc_isThread	(		t,
			slot
	)		(croc_type((t), (slot)) == CrocType_Thread)

These are all convenience macros which evaluate to nonzero if the given slot is the given type.

Function Documentation

CrocType croc_type	(	CrocThread *	t,
		word_t	slot
	)

Returns

a member of the CrocType enumeration telling what type of value is in the given stack slot.

word_t croc_pushTypeString	(	CrocThread *	t,
		word_t	slot
	)

Pushes a nice string representation of the type of the value in slot, which is useful for error messages.

This is equivalent to Croc's niceTypeof library function.

int croc_isNum	(	CrocThread *	t,
		word_t	slot
	)

Returns

nonzero if the given stack slot holds either an int or a float, and 0 otherwise.

int croc_isChar	(	CrocThread *	t,
		word_t	slot
	)

Returns

nonzero if the given stack slot holds a string that is exactly one codepoint long, and 0 otherwise.