added argument type annotations and runtime checks. To do that new opcodes were created (PUSHTYP, PUSHTYPTYP, ERROR)

src/lib/common/executable.c

@@ -105,9 +105,13 @@ static const InstrInfo instr_table[] = {
 	[OPCODE_PUSHFUN] = {"PUSHFUN", 2, (OperandType[]) {OPTP_INT, OPTP_INT}},
 	[OPCODE_PUSHLST] = {"PUSHLST", 1, (OperandType[]) {OPTP_INT}},
 	[OPCODE_PUSHMAP] = {"PUSHMAP", 1, (OperandType[]) {OPTP_INT}},
+	[OPCODE_PUSHTYP] = {"PUSHTYP", 0, NULL},
+	[OPCODE_PUSHTYPTYP] = {"PUSHTYPTYP", 0, NULL},
 
 	[OPCODE_RETURN] = {"RETURN", 1, (OperandType[]) {OPTP_INT}},
 
+	[OPCODE_ERROR] = {"ERROR", 1, (OperandType[]) {OPTP_STRING}},
+
 	[OPCODE_JUMPIFNOTANDPOP] = {"JUMPIFNOTANDPOP", 1, (OperandType[]) {OPTP_INT}},
 	[OPCODE_JUMPIFANDPOP] = {"JUMPIFANDPOP", 1, (OperandType[]) {OPTP_INT}},
 	[OPCODE_JUMP] = {"JUMP", 1, (OperandType[]) {OPTP_INT}},

src/lib/common/executable.h

@@ -84,7 +84,10 @@ typedef enum {
 	OPCODE_PUSHFUN,
 	OPCODE_PUSHLST,
 	OPCODE_PUSHMAP,
+	OPCODE_PUSHTYP,
+	OPCODE_PUSHTYPTYP,
 	OPCODE_RETURN,
+	OPCODE_ERROR,
 	OPCODE_JUMPIFANDPOP,
 	OPCODE_JUMPIFNOTANDPOP,
 	OPCODE_JUMP,