first draft of import builtin function

src/lib/common/executable.c

@@ -105,6 +105,7 @@ static const InstrInfo instr_table[] = {
 	[OPCODE_PUSHNNETYP] = {"PUSHNNETYP", 0, NULL},
 	[OPCODE_RETURN] = {"RETURN", 1, (OperandType[]) {OPTP_INT}},
 	[OPCODE_ERROR]  = {"ERROR",  1, (OperandType[]) {OPTP_STRING}},
+	[OPCODE_EXIT]   = {"EXIT", 0, NULL},
 	[OPCODE_JUMPIFNOTANDPOP] = {"JUMPIFNOTANDPOP", 1, (OperandType[]) {OPTP_IDX}},
 	[OPCODE_JUMPIFANDPOP]    = {"JUMPIFANDPOP",    1, (OperandType[]) {OPTP_IDX}},
 	[OPCODE_JUMP]            = {"JUMP",            1, (OperandType[]) {OPTP_IDX}},

src/lib/common/executable.h

@@ -90,6 +90,7 @@ typedef enum {
 	OPCODE_PUSHNNETYP,
 	OPCODE_RETURN,
 	OPCODE_ERROR,
+	OPCODE_EXIT,
 	OPCODE_JUMPIFANDPOP,
 	OPCODE_JUMPIFNOTANDPOP,
 	OPCODE_JUMP,