NAME

src/pmc/exceptionhandler.pmc - Exception Handler PMC

DESCRIPTION

When an exception handler is called, the exception object is passed as REG_PMC(interp, 5), the original contents of this register is in the exception object's _P5 attribute.

Methods

void init()

Initializes the exception handler.

void init_int(INTVAL)

Initializes the exception handler with one handled type.

void init_pmc(PMC)

Initializes the exception handler with one handled type. If the argument is a key, intitialize it with the key contents.

void mark()

Mark any active exception handler data as live.

PMC * get_attr_str(STRING *attr)

Get the value of an attribute by name

void set_integer_native(INTVAL)

Mark whether the handler has been invoked.

INTVAL get_integer()

Check whether the handler has been invoked.

opcode_t *invoke(void *next)

Set up the environment for the exception handler to be invoked.

Methods

METHOD can_handle(PMC *exception)

Report whether the exception handler can handle a particular type of exception.

METHOD min_severity(INTVAL severity :optional, INTVAL have_severity :opt_flag)

Set or get the minimum severity of the exception handler.

METHOD max_severity(INTVAL severity :optional, INTVAL have_severity :opt_flag)

Set or get the maximum severity of the exception handler.

METHOD handle_types(PMC *types :slurpy)

Set the exception types that the ExceptionHandler will handle.

METHOD handle_types_except(PMC *types :slurpy)

Set the exception types that the ExceptionHandler will not handle.