def define_struct(name, super=values.w_null, fields=[]):
struct_type, struct_constr, struct_pred, struct_acc, struct_mut = \
values_struct.W_StructType.make_simple(values.W_Symbol.make(name),
super, values.W_Fixnum(len(fields)), values.W_Fixnum(0),
values.w_false, values.w_null, values.w_false).make_struct_tuple()
expose_val("struct:" + name, struct_type)
expose_val(name, struct_constr)
# this is almost always also provided
expose_val("make-" + name, struct_constr)
expose_val(name + "?", struct_pred)
for field, field_name in enumerate(fields):
w_num = values.W_Fixnum(field)
w_name = values.W_Symbol.make(field_name)
acc = values_struct.W_StructFieldAccessor(struct_acc, w_num, w_name)
expose_val(name + "-" + field_name, acc)
return struct_type
def define_struct(name, super=values.w_null, fields=[]):
immutables = range(len(fields))
symname = values.W_Symbol.make(name)
struct_type, struct_constr, struct_pred, struct_acc, struct_mut = \
values_struct.W_StructType.make_simple(
symname, super, len(fields), 0, values.w_false, values.w_null,
values.w_false, values.w_false, immutables).make_struct_tuple()
expose_val("struct:" + name, struct_type)
expose_val(name, struct_constr)
# this is almost always also provided
expose_val("make-" + name, struct_constr)
expose_val(name + "?", struct_pred)
for field, field_name in enumerate(fields):
w_num = field
w_name = values.W_Symbol.make(field_name)
acc = values_struct.W_StructFieldAccessor(struct_acc, w_num, w_name)
expose_val(name + "-" + field_name, acc)
return struct_type
def define_struct(name, super=values.w_null, fields=[]):
immutables = []
for i in range(len(fields)):
immutables.append(values.W_Fixnum(i))
struct_type, struct_constr, struct_pred, struct_acc, struct_mut = \
values_struct.W_StructType.make_simple(values.W_Symbol.make(name),
super, values.W_Fixnum(len(fields)), values.W_Fixnum(0),
values.w_false, values.w_null, values.w_false, values.w_false,
values.to_list(immutables)).make_struct_tuple()
expose_val("struct:" + name, struct_type)
expose_val(name, struct_constr)
# this is almost always also provided
expose_val("make-" + name, struct_constr)
expose_val(name + "?", struct_pred)
for field, field_name in enumerate(fields):
w_num = values.W_Fixnum(field)
w_name = values.W_Symbol.make(field_name)
acc = values_struct.W_StructFieldAccessor(struct_acc, w_num, w_name)
expose_val(name + "-" + field_name, acc)
return struct_type
def set_callback(self, h, proc):
self.callbacks[h] = proc
def set_weak_callback(self, h, proc):
self.weak_callbacks[h] = proc
def remove_handle(self, handle):
if handle in self.callbacks:
del (self.callbacks[handle])
if handle in self.weak_callbacks:
del (self.weak_callbacks[handle])
current_plumber_param = values_parameter.W_Parameter(W_Plumber())
expose_val("current-plumber", current_plumber_param)
@expose("make-plumber", [])
def make_plumber():
return W_Plumber()
@expose("plumber-add-flush!",
[W_Plumber, procedure,
default(values.W_Bool, values.w_false)])
def plumber_add_flush_bang(p, proc, is_weak):
# create a new handle
h = W_PlumberFlushHandle(p)
handler = args[0]
args = []
if frames:
cont = call_handler_cont(handler, args, env, cont)
return unwind_frames(frames, env, cont)
return handler.call(args, env, cont)
expose("abort-current-continuation", simple=False)(abort_current_continuation)
@make_procedure("default-error-escape-handler", [], simple=False)
def default_error_escape_handler(env, cont):
from pycket.prims.general import do_void
args = [values.w_default_continuation_prompt_tag, do_void.w_prim]
return abort_current_continuation(args, env, cont)
expose_val("error-escape-handler", values_parameter.W_Parameter(default_error_escape_handler))
@make_procedure("default-continuation-prompt-handler", [procedure], simple=False)
def default_continuation_prompt_handler(proc, env, cont):
return proc.call([], env, cont)
@expose("call-with-continuation-prompt", simple=False, arity=Arity.geq(1))
def call_with_continuation_prompt(args, env, cont):
if not args:
raise SchemeException("call-with-continuation-prompt: not given enough values")
parser = ArgParser("call-with-continuation-prompt", args)
tag = values.w_default_continuation_prompt_tag
handler = values.w_false
fun = parser.object()
try:
parser = ArgParser("extend-parameterization", args, start_at=1)
while parser.has_more():
param = parser.parameter()
key = parser.object()
config = config.extend([param], [key])
return config
def call_with_parameterization(f, args, paramz, env, cont):
cont.update_cm(values.parameterization_key, paramz)
return f.call(args, env, cont)
@expose("call-with-parameterization",
[values.W_Object, values_parameter.W_Parameterization], simple=False)
def call_w_paramz(f, paramz, env, cont):
return call_with_parameterization(f, [], paramz, env, cont)
def call_with_extended_paramz(f, args, keys, vals, env, cont):
from pycket.values import parameterization_key
# XXX seems untested?
paramz = cont.get_mark_first(parameterization_key)
assert isinstance(paramz, values_parameter.W_Parameterization) # XXX is this always right?
paramz_new = paramz.extend(keys, vals)
return call_with_parameterization(f, args, paramz_new, env, cont)
expose_val("parameterization-key", values.parameterization_key)
expose_val("print-mpair-curly-braces", values_parameter.W_Parameter(values.w_false))
expose_val("print-pair-curly-braces", values_parameter.W_Parameter(values.w_false))
#! /usr/bin/env python
# -*- coding: utf-8 -*-
from pycket.prims.expose import expose, expose_val, make_call_method, make_procedure
from pycket.error import SchemeException
from pycket import impersonators as imp
from pycket import values
from pycket import values_struct
expose_val("unsafe-undefined", values.w_unsafe_undefined)
@expose("check-not-unsafe-undefined", [values.W_Object, values.W_Symbol])
def cnuu(obj, sym):
if obj is values.w_unsafe_undefined:
raise SchemeException("%s: undefined; use before initialization" % sym.utf8value)
return obj
@expose("check-not-unsafe-undefined/assign", [values.W_Object, values.W_Symbol])
def cnuua(obj, sym):
if obj is values.w_unsafe_undefined:
raise SchemeException("%s: undefined; assignment before initialization" % sym.utf8value)
return obj
def make_accessor(acc, i):
idx = values.W_Fixnum(i)
sym = values.W_Symbol.make("<internal-accessor>")
return values_struct.W_StructFieldAccessor(acc, idx, sym)
def make_mutator(mut, i):
idx = values.W_Fixnum(i)
sym = values.W_Symbol.make("<internal-mutator>")
return values_struct.W_StructFieldMutator(mut, idx, sym)
def call_with_extended_paramz(f, args, keys, vals, env, cont):
from pycket.values import parameterization_key
paramz = cont.get_mark_first(parameterization_key)
assert isinstance(paramz, values_parameter.W_Parameterization)
return paramz.extend(keys, vals, env,
call_with_paramz_cont(f, args, env, cont))
@make_procedure("eval-jit-enabled-guard", [values.W_Object], simple=False)
def eval_jit_enabled_guard(arg, env, cont):
from pycket.interpreter import return_value
# never disable the jit
return return_value(values.w_void, env, cont)
expose_val("compile-enforce-module-constants",
values_parameter.W_Parameter(values.w_true))
# compilation should avoid function-call inlining and other optimizations that may cause information to be lost from stack traces
expose_val("compile-context-preservation-enabled",
values_parameter.W_Parameter(values.w_true))
expose_val("compile-allow-set!-undefined",
values_parameter.W_Parameter(values.w_false))
current_cmd_args_param = values_parameter.W_Parameter(
vector.W_Vector.fromelements([]))
expose_val("current-command-line-arguments", current_cmd_args_param)
expose_val("eval-jit-enabled",
values_parameter.W_Parameter(values.w_true, eval_jit_enabled_guard))
expose_val("exnh", values_parameter.W_Parameter(values.w_false))
expose_val("load-on-demand-enabled",
def call_with_parameterization(f, args, paramz, env, cont):
cont.update_cm(values.parameterization_key, paramz)
return f.call(args, env, cont)
@expose("call-with-parameterization",
[values.W_Object, values_parameter.W_Parameterization],
simple=False)
def call_w_paramz(f, paramz, env, cont):
return call_with_parameterization(f, [], paramz, env, cont)
def call_with_extended_paramz(f, args, keys, vals, env, cont):
from pycket.values import parameterization_key
# XXX seems untested?
paramz = cont.get_mark_first(parameterization_key)
assert isinstance(
paramz,
values_parameter.W_Parameterization) # XXX is this always right?
paramz_new = paramz.extend(keys, vals)
return call_with_parameterization(f, args, paramz_new, env, cont)
expose_val("parameterization-key", values.parameterization_key)
expose_val("print-mpair-curly-braces",
values_parameter.W_Parameter(values.w_false))
expose_val("print-pair-curly-braces",
values_parameter.W_Parameter(values.w_false))
@expose("syntax-source", [values.W_Syntax])
def syntax_source(stx):
# XXX Obviously not correct
return values.w_false
@expose("syntax-source-module", [values.W_Syntax, default(values.W_Object, values.w_false)])
def syntax_source_module(stx, src):
# XXX Obviously not correct
return values.W_ResolvedModulePath(values.W_Symbol.make("fake symbol"))
@expose(["syntax-line", "syntax-column", "syntax-position", "syntax-span"], [values.W_Syntax])
def syntax_numbers(stx):
# XXX Obviously not correct
return values.w_false
expose_val("null", values.w_null)
expose_val("true", values.w_true)
expose_val("false", values.w_false)
expose_val("break-enabled-key", values.break_enabled_key)
expose_val("exception-handler-key", values.exn_handler_key)
# FIXME: need stronger guards for all of these
for name in ["prop:evt",
"prop:impersonator-of",
"prop:method-arity-error",
"prop:exn:srclocs",
"prop:custom-print-quotable"]:
expose_val(name, values_struct.W_StructProperty(
values.W_Symbol.make(name), values.w_false))
expose_val("prop:procedure", values_struct.w_prop_procedure)
raise ExitException(v)
else:
raise ExitException(values.W_Fixnum(0))
@continuation
def force_exit_cont(v, env, cont, _vals):
return _force_exit(v)
@make_procedure("initial-exit-handler", [values.W_Object], arity=Arity.ZERO, simple=False)
def initial_exit_handler(v, env, cont):
from pycket.prims.plumber import do_plumber_flush_all
root_plumber = current_plumber_param.get(cont) ## ??
return do_plumber_flush_all(root_plumber, env , force_exit_cont(v, env, cont))
exit_handler_param = values_parameter.W_Parameter(initial_exit_handler)
expose_val("exit-handler", exit_handler_param)
@continuation
def exit_cont(env, cont, _vals):
from pycket.interpreter import return_value
return return_value(values.w_void, env, cont)
@expose("exit", [default(values.W_Object, values.w_true)], simple=False)
def exit(v, env, cont):
exit_handler = exit_handler_param.get(cont)
return exit_handler.call([v], env, exit_cont(env, cont))
@make_procedure("default-error-escape-handler", [], simple=False)
def default_error_escape_handler(env, cont):
from pycket.prims.general import do_void
args = [values.w_default_continuation_prompt_tag, do_void.w_prim]
def set_callback(self, h, proc):
self.callbacks[h] = proc
def set_weak_callback(self, h, proc):
self.weak_callbacks[h] = proc
def remove_handle(self, handle):
if handle in self.callbacks:
del(self.callbacks[handle])
if handle in self.weak_callbacks:
del(self.weak_callbacks[handle])
current_plumber_param = values_parameter.W_Parameter(W_Plumber())
expose_val("current-plumber", current_plumber_param)
@expose("make-plumber", [])
def make_plumber():
return W_Plumber()
@expose("plumber-add-flush!", [W_Plumber, procedure, default(values.W_Bool, values.w_false)])
def plumber_add_flush_bang(p, proc, is_weak):
# create a new handle
h = W_PlumberFlushHandle(p)
# put the new handle into p's callbacks with the given proc
if is_weak is values.w_true:
p.set_weak_callback(h, proc)
else:
def expose_ctype(name, size, alignment, *extra_names):
basetype = values.W_Symbol.make(name)
ctype = W_PrimitiveCType(basetype, size, alignment)
expose_val("_" + name, ctype)
for name in extra_names:
expose_val("_" + name, ctype)
topic = values.w_false
parent = values.w_false
propagate_level = DEBUG
try:
topic = parser.symbol_or_false()
parent = parser.logger_or_false()
propagate_level = parser.log_level()
except EndOfInput:
pass
# Any remaining arguments are propagate topics
propagate_topic = parser._symbol_or_false()
return values.W_Logger(topic, parent, propagate_level, propagate_topic)
@expose("log-level?", [values.W_Object, values.W_Object, default(values.W_Object, values.w_false)])
def log_level(logger, level, topic):
# TODO: Actual implementation
return values.w_false
@expose("log-message", arity=Arity.oneof(4, 5, 6))
def log_message(args):
# TODO: Actual implementation
return
w_current_logger = values_parameter.W_Parameter(w_default_logger)
expose_val("current-logger", w_current_logger)
@expose(["flrandom", "unsafe-flrandom"], [values.W_PseudoRandomGenerator])
def flrandom(gen):
return values.W_Flonum(rng.random())
@expose("random-seed", [values.W_Fixnum])
def random_seed(seed):
key = [rarithmetic.r_uint(seed.value)]
rng.init_by_array(key)
return values.w_void
@expose("make-pseudo-random-generator", [])
def make_pseudo_random_generator():
return values.W_PseudoRandomGenerator()
current_pseudo_random_generator = values_parameter.W_Parameter(values.W_PseudoRandomGenerator())
expose_val("current-pseudo-random-generator", current_pseudo_random_generator)
@expose("pseudo-random-generator->vector", [values.W_PseudoRandomGenerator])
def pseudo_random_generator_to_vector(gen):
return values_vector.W_Vector.fromelements([])
@expose("vector->pseudo-random-generator", [values.W_PseudoRandomGenerator, default(values.W_MVector, None)])
def vector_to_pseudo_random_generator(gen, vec):
return values.W_PseudoRandomGenerator()
@expose("pseudo-random-generator-vector?", [values.W_Object])
def pseudo_random_generator_vector_huh(vec):
return values.W_Bool.make(isinstance(vec, values.W_MVector) and vec.length() == 0)
return self.bundle_mapping
def tostring(self):
mapping = self.bundle_mapping
return "BUNDLE : %s" % mapping.tostring()
our_vm_bytes = values.W_Bytes.from_string("pycket")
@expose("linklet-virtual-machine-bytes", [])
def vm_bytes():
return our_vm_bytes
w_pycket_sym = values.W_Symbol.make("pycket")
# FIXME: control initialization of this from command line using -W
expose_val("current-compile-target-machine", values_parameter.W_Parameter(w_pycket_sym))
@expose("compile-target-machine?", [values.W_Symbol])
def compile_machine_target_p(v):
return values.W_Bool.make(v is w_pycket_sym)
@expose("hash->linklet-bundle", [W_Object])
def hash_to_linklet_bundle(content):
return W_LinkletBundle(content)
@expose("linklet-bundle->hash", [W_LinkletBundle])
def linklet_bundle_to_hash(linkl_bundle):
return linkl_bundle.bundle_mapping
class W_LinkletDirectory(W_Object):
@expose("random-seed", [values.W_Fixnum])
def random_seed(seed):
key = [rarithmetic.r_uint(seed.value)]
rng.init_by_array(key)
return values.w_void
@expose("make-pseudo-random-generator", [])
def make_pseudo_random_generator():
return values.W_PseudoRandomGenerator()
current_pseudo_random_generator = values_parameter.W_Parameter(
values.W_PseudoRandomGenerator())
expose_val("current-pseudo-random-generator", current_pseudo_random_generator)
@expose("pseudo-random-generator->vector", [values.W_PseudoRandomGenerator])
def pseudo_random_generator_to_vector(gen):
return values_vector.W_Vector.fromelements([])
@expose("vector->pseudo-random-generator",
[values.W_PseudoRandomGenerator,
default(values.W_MVector, None)])
def vector_to_pseudo_random_generator(gen, vec):
return values.W_PseudoRandomGenerator()
@expose("pseudo-random-generator-vector?", [values.W_Object])
#! /usr/bin/env python
# -*- coding: utf-8 -*-
from pycket import impersonators as imp
from pycket import values
from pycket import values_parameter, values_struct
from pycket.arity import Arity
from pycket.error import SchemeException
from pycket.prims.expose import unsafe, default, expose, expose_val
expose_val("current-inspector", values_struct.current_inspector_param)
expose_val("current-code-inspector", values_struct.current_inspector_param)
@expose("make-inspector", [default(values_struct.W_StructInspector, None)],
simple=False)
def do_make_instpector(inspector, env, cont):
from pycket.interpreter import return_value
if inspector is None:
inspector = values_struct.current_inspector_param.get(cont)
new_inspector = values_struct.W_StructInspector.make(inspector)
return return_value(new_inspector, env, cont)
@expose("make-sibling-inspector",
[default(values_struct.W_StructInspector, None)],
simple=False)
def do_make_sibling_instpector(inspector, env, cont):
from pycket.interpreter import return_value
if inspector is None:
inspector = values_struct.current_inspector_param.get(cont)
return call_with_parameterization(f, args, paramz, env, cont)
# only used in input_output.py
def call_with_extended_paramz(f, args, keys, vals, env, cont):
from pycket.values import parameterization_key
paramz = cont.get_mark_first(parameterization_key)
assert isinstance(paramz, values_parameter.W_Parameterization)
return paramz.extend(keys, vals, env, call_with_paramz_cont(f, args, env, cont))
@make_procedure("eval-jit-enabled-guard", [values.W_Object], simple=False)
def eval_jit_enabled_guard(arg, env, cont):
from pycket.interpreter import return_value
# never disable the jit
return return_value(values.w_void, env, cont)
expose_val("compile-enforce-module-constants", values_parameter.W_Parameter(values.w_true))
# compilation should avoid function-call inlining and other optimizations that may cause information to be lost from stack traces
expose_val("compile-context-preservation-enabled", values_parameter.W_Parameter(values.w_true))
expose_val("compile-allow-set!-undefined", values_parameter.W_Parameter(values.w_false))
current_cmd_args_param = values_parameter.W_Parameter(vector.W_Vector.fromelements([]))
expose_val("current-command-line-arguments", current_cmd_args_param)
expose_val("eval-jit-enabled", values_parameter.W_Parameter(values.w_true, eval_jit_enabled_guard))
expose_val("exnh", values_parameter.W_Parameter(values.w_false))
expose_val("load-on-demand-enabled", values_parameter.W_Parameter(values.w_true))
expose_val("read-on-demand-source", values_parameter.W_Parameter(values.w_true))
expose_val("parameterization-key", values.parameterization_key)
expose_val("print-mpair-curly-braces", values_parameter.W_Parameter(values.w_false))
expose_val("print-pair-curly-braces", values_parameter.W_Parameter(values.w_false))
mapping = self.bundle_mapping
return "BUNDLE : %s" % mapping.tostring()
our_vm_bytes = values.W_Bytes.from_string("pycket")
@expose("linklet-virtual-machine-bytes", [])
def vm_bytes():
return our_vm_bytes
w_pycket_sym = values.W_Symbol.make("pycket")
# FIXME: control initialization of this from command line using -W
expose_val("current-compile-target-machine",
values_parameter.W_Parameter(w_pycket_sym))
@expose("compile-target-machine?", [values.W_Symbol])
def compile_machine_target_p(v):
return values.W_Bool.make(v is w_pycket_sym)
@expose("hash->linklet-bundle", [W_Object])
def hash_to_linklet_bundle(content):
return W_LinkletBundle(content)
@expose("linklet-bundle->hash", [W_LinkletBundle])
def linklet_bundle_to_hash(linkl_bundle):
return linkl_bundle.bundle_mapping
stop = len(bytes) if w_end is None else w_end.value
n = write_bytes_avail(bytes, w_port, start, stop)
return return_value(values.W_Fixnum(n), env, cont)
# FIXME:
@expose("custom-write?", [values.W_Object])
def do_has_custom_write(v):
return values.w_false
def shutdown(env):
# called before the interpreter exits
stdout_port.flush()
############################ Values and Parameters
expose_val("eof", values.eof_object)
current_print_param = values_parameter.W_Parameter(standard_printer)
expose_val("current-print", current_print_param)
# line buffer stdout
stdout_port = values.W_FileOutputPort(sio.fdopen_as_stream(1, "w", buffering=1))
stderr_port = values.W_FileOutputPort(sio.fdopen_as_stream(2, "w", buffering=1))
stdin_port = values.W_FileInputPort(sio.fdopen_as_stream(0, "r"))
current_out_param = values_parameter.W_Parameter(stdout_port)
current_error_param = values_parameter.W_Parameter(stderr_port)
current_in_param = values_parameter.W_Parameter(stdin_port)
expose_val("current-output-port", current_out_param)
expose_val("current-error-port", current_error_param)
expose_val("current-input-port", current_in_param)
return stx.val
define_nyi("datum->syntax")
# @expose("datum->syntax", [values.W_Object, values.W_Object,
# default(values.W_Object, None), default(values.W_Object, None),
# default(values.W_Object, None)])
# def datum_to_syntax(ctxt, v, srcloc, prop, ignored):
# raise NotImplementedError()
# assert isinstance(ctxt, values.W_Syntax) or ctxt is values.w_false
# return values.W_Syntax(v)
@expose("compiled-module-expression?", [values.W_Object])
def compiled_module_expression(v):
return values.w_false
expose_val("null", values.w_null)
expose_val("true", values.w_true)
expose_val("false", values.w_false)
expose_val("break-enabled-key", values.break_enabled_key)
expose_val("exception-handler-key", values.exn_handler_key)
expose_val("parameterization-key", values.parameterization_key)
expose_val("print-mpair-curly-braces", values.W_Parameter(values.w_false))
expose_val("print-pair-curly-braces", values.W_Parameter(values.w_false))
# FIXME: need stronger guards for all of these
for name in ["prop:evt",
"prop:output-port",
"prop:impersonator-of",
"prop:method-arity-error",
"prop:exn:srclocs",
"prop:custom-print-quotable"]:
try:
topic = parser.symbol_or_false()
parent = parser.logger_or_false()
propagate_level = parser.log_level()
except EndOfInput:
pass
# Any remaining arguments are propagate topics
propagate_topic = parser._symbol_or_false()
return values.W_Logger(topic, parent, propagate_level, propagate_topic)
@expose("log-level?", [
values.W_Object, values.W_Object,
default(values.W_Object, values.w_false)
])
def log_level(logger, level, topic):
# TODO: Actual implementation
return values.w_false
@expose("log-message", arity=Arity.oneof(4, 5, 6))
def log_message(args):
# TODO: Actual implementation
return
w_current_logger = values_parameter.W_Parameter(w_default_logger)
expose_val("current-logger", w_current_logger)
stop = len(bytes) if w_end is None else w_end.value
n = write_bytes_avail(bytes, w_port, start, stop)
return return_value(values.W_Fixnum(n), env, cont)
# FIXME:
@expose("custom-write?", [values.W_Object])
def do_has_custom_write(v):
return values.w_false
def shutdown(env):
# called before the interpreter exits
stdout_port.flush()
############################ Values and Parameters
expose_val("eof", values.eof_object)
current_print_param = values_parameter.W_Parameter(standard_printer)
expose_val("current-print", current_print_param)
# line buffer stdout
stdout_port = values.W_FileOutputPort(sio.fdopen_as_stream(1, "w", buffering=1))
stderr_port = values.W_FileOutputPort(sio.fdopen_as_stream(2, "w", buffering=1))
stdin_port = values.W_FileInputPort(sio.fdopen_as_stream(0, "r"))
current_out_param = values_parameter.W_Parameter(stdout_port)
current_error_param = values_parameter.W_Parameter(stderr_port)
current_in_param = values_parameter.W_Parameter(stdin_port)
expose_val("current-output-port", current_out_param)
expose_val("current-error-port", current_error_param)
expose_val("current-input-port", current_in_param)
#! /usr/bin/env python
# -*- coding: utf-8 -*-
# XXX: This whole module is wrong
from pycket import values
from pycket.prims.expose import default, expose, expose_val, procedure
expose_val("_int8" , values.W_Fixnum.make(0))
expose_val("_int16" , values.W_Fixnum.make(1))
expose_val("_int32" , values.W_Fixnum.make(2))
expose_val("_int64" , values.W_Fixnum.make(3))
expose_val("_uint8" , values.W_Fixnum.make(4))
expose_val("_uint16" , values.W_Fixnum.make(5))
expose_val("_uint32" , values.W_Fixnum.make(6))
expose_val("_uint64" , values.W_Fixnum.make(7))
expose_val("_bytes" , values.W_Fixnum.make(8))
expose_val("_path" , values.W_Fixnum.make(9))
expose_val("_void" , values.W_Fixnum.make(10))
expose_val("_pointer" , values.W_Fixnum.make(11))
expose_val("_fpointer" , values.W_Fixnum.make(12))
ctype = values.W_Fixnum
@expose("make-ctype", [ctype, default(values.W_Object, values.w_false), default(values.W_Object, values.w_false)])
def make_c_type(typ, rtc, ctr):
return values.W_Fixnum(0)
@expose("compiler-sizeof", [values.W_Object])
def compiler_sizeof(sym):
return values.W_Fixnum(8)
#! /usr/bin/env python
# -*- coding: utf-8 -*-
from pycket import impersonators as imp
from pycket import values
from pycket import values_parameter, values_struct
from pycket.arity import Arity
from pycket.error import SchemeException
from pycket.prims.expose import unsafe, default, expose, expose_val
expose_val("current-inspector", values_struct.current_inspector_param)
@expose("make-inspector", [default(values_struct.W_StructInspector, None)], simple=False)
def do_make_instpector(inspector, env, cont):
from pycket.interpreter import return_value
if inspector is None:
inspector = values_struct.current_inspector_param.get(cont)
new_inspector = values_struct.W_StructInspector.make(inspector)
return return_value(new_inspector, env, cont)
@expose("make-sibling-inspector", [default(values_struct.W_StructInspector, None)], simple=False)
def do_make_sibling_instpector(inspector, env, cont):
from pycket.interpreter import return_value
if inspector is None:
inspector = values_struct.current_inspector_param.get(cont)
new_inspector = values_struct.W_StructInspector.make(inspector, issibling=True)
return return_value(new_inspector, env, cont)
@expose("struct?", [values.W_Object], simple=False)
def do_is_struct(v, env, cont):
from pycket.interpreter import return_value
current_inspector = values_struct.current_inspector_param.get(cont)
#! /usr/bin/env python
# -*- coding: utf-8 -*-
from pycket.prims.expose import expose, expose_val, make_call_method, make_procedure
from pycket.error import SchemeException
from pycket import impersonators as imp
from pycket import values
from pycket import values_struct
expose_val("unsafe-undefined", values.w_unsafe_undefined)
@expose("check-not-unsafe-undefined", [values.W_Object, values.W_Symbol])
def cnuu(obj, sym):
if obj is values.w_unsafe_undefined:
raise SchemeException("%s: undefined; use before initialization" %
sym.utf8value)
return obj
@expose("check-not-unsafe-undefined/assign",
[values.W_Object, values.W_Symbol])
def cnuua(obj, sym):
if obj is values.w_unsafe_undefined:
raise SchemeException(
"%s: undefined; assignment before initialization" % sym.utf8value)
return obj
def make_accessor(acc, i):
sym = values.W_Symbol.make("<internal-accessor>")
return values_struct.W_StructFieldAccessor(acc, i, sym)
def force_exit_cont(v, env, cont, _vals):
return _force_exit(v)
@make_procedure("initial-exit-handler", [values.W_Object],
arity=Arity.ZERO,
simple=False)
def initial_exit_handler(v, env, cont):
from pycket.prims.plumber import do_plumber_flush_all
root_plumber = current_plumber_param.get(cont) ## ??
return do_plumber_flush_all(root_plumber, env,
force_exit_cont(v, env, cont))
exit_handler_param = values_parameter.W_Parameter(initial_exit_handler)
expose_val("exit-handler", exit_handler_param)
@continuation
def exit_cont(env, cont, _vals):
from pycket.interpreter import return_value
return return_value(values.w_void, env, cont)
@expose("exit", [default(values.W_Object, values.w_true)], simple=False)
def exit(v, env, cont):
exit_handler = exit_handler_param.get(cont)
return exit_handler.call([v], env, exit_cont(env, cont))
@make_procedure("default-error-escape-handler", [], simple=False)
from pycket import impersonators as imp
from pycket import values
from pycket import values_struct
from pycket.arity import Arity
from pycket.hash.base import W_HashTable
from pycket.error import SchemeException
from pycket.prims.expose import expose, expose_val
from pycket.prims.equal import equal_func, equal_func_unroll_n, EqualInfo
from rpython.rlib import jit
expose_val("impersonator-prop:application-mark",
imp.w_impersonator_prop_application_mark)
# Used to find the first impersonator-property
@jit.unroll_safe
def find_prop_start_index(args):
for i, v in enumerate(args):
if isinstance(v, imp.W_ImpPropertyDescriptor):
return i
return len(args)
@jit.unroll_safe
def unpack_properties(args, name):
idx = find_prop_start_index(args)
if idx == len(args):
props = None
prop_len = 0
else:
def expose_ctype(name, size, alignment, *extra_names):
basetype = values.W_Symbol.make(name)
ctype = W_PrimitiveCType(basetype, size, alignment)
expose_val("_" + name, ctype)
for name in extra_names:
expose_val("_" + name, ctype)
cont = call_handler_cont(handler, args, env, cont)
return unwind_frames(frames, env, cont)
return handler.call(args, env, cont)
expose("abort-current-continuation", simple=False)(abort_current_continuation)
@make_procedure("default-error-escape-handler", [], simple=False)
def default_error_escape_handler(env, cont):
from pycket.prims.general import do_void
args = [values.w_default_continuation_prompt_tag, do_void.w_prim]
return abort_current_continuation(args, env, cont)
expose_val("error-escape-handler",
values_parameter.W_Parameter(default_error_escape_handler))
@make_procedure("default-continuation-prompt-handler", [procedure],
simple=False)
def default_continuation_prompt_handler(proc, env, cont):
return proc.call([], env, cont)
@expose("call-with-continuation-prompt", simple=False, arity=Arity.geq(1))
def call_with_continuation_prompt(args, env, cont):
if not args:
raise SchemeException(
"call-with-continuation-prompt: not given enough values")
parser = ArgParser("call-with-continuation-prompt", args)
tag = values.w_default_continuation_prompt_tag
from pycket import impersonators as imp
from pycket import values
from pycket import values_struct
from pycket.arity import Arity
from pycket.hash.base import W_HashTable
from pycket.error import SchemeException
from pycket.prims.expose import expose, expose_val
from pycket.prims.equal import equal_func, EqualInfo
from rpython.rlib import jit
expose_val("impersonator-prop:application-mark", imp.w_impersonator_prop_application_mark)
# Used to find the first impersonator-property
@jit.unroll_safe
def find_prop_start_index(args):
for i, v in enumerate(args):
if isinstance(v, imp.W_ImpPropertyDescriptor):
return i
return len(args)
@jit.unroll_safe
def unpack_properties(args, name):
idx = find_prop_start_index(args)
if idx == len(args):
props = None
prop_len = 0
else:
args, props = args[:idx], args[idx:]
prop_len = len(props)
def force_exit_cont(v, env, cont, _vals):
return _force_exit(v)
@make_procedure("initial-exit-handler", [values.W_Object],
arity=Arity.ZERO,
simple=False)
def initial_exit_handler(v, env, cont):
from pycket.prims.plumber import do_plumber_flush_all
root_plumber = current_plumber_param.get(cont) ## ??
return do_plumber_flush_all(root_plumber, env,
force_exit_cont(v, env, cont))
exit_handler_param = values_parameter.W_Parameter(initial_exit_handler)
expose_val("exit-handler", exit_handler_param)
@continuation
def exit_cont(env, cont, _vals):
from pycket.interpreter import return_value
return return_value(values.w_void, env, cont)
@expose("exit", [default(values.W_Object, values.w_true)], simple=False)
def exit(v, env, cont):
exit_handler = exit_handler_param.get(cont)
return exit_handler.call([v], env, exit_cont(env, cont))
@make_procedure("default-error-escape-handler", [], simple=False)
