NAME

Parrot::Opcode - Read opcode definitions

SYNOPSIS

use Parrot::Opcode;

%opcodes = Parrot::Opcode::read_ops();

DESCRIPTION

The read_ops() function parses the Parrot opcode_table file, and returns the contents as a hash. The hash key is the opcode name; values are hashrefs containing the following fields:

CODE

The opcode number.

ARGS

The opcode argument count.

TYPES

The opcode argument types, as an arrayref.

FUNC

The name of the C function implementing this op.

read_ops() takes an optional argument: the file to read the opcode table from.

The fingerprint() function returns a checksum for the opcode table. It is used to ensure that bytecode is only executed if it was generated for a version of parrot supporting the appropriate opcodes.