def trace_map(self):
from pixie.vm.string import String
from pixie.vm.keyword import keyword
tm = {keyword(u"type") : keyword(u"pixie")}
tm[keyword(u"name")] = String(self._name)
return tm
def fqd(self, itm):
ns_alias = rt.namespace(itm)
current_nms = rt.ns.deref()
if ns_alias is None:
return keyword(rt.name(itm), rt.name(current_nms))
else:
ns_fqd = current_nms.resolve_ns(ns_alias)
return keyword(rt.name(itm), rt.name(ns_fqd))
def trace_map(self):
from pixie.vm.string import String
from pixie.vm.keyword import keyword
tp = self._tp
assert isinstance(tp, Type)
tm = {keyword(u"type") : keyword(u"polymorphic")}
tm[keyword(u"name")] = String(self._name)
tm[keyword(u"tp")] = String(tp._name)
return tm
def trace_map(self):
import pixie.vm.rt as rt
from pixie.vm.keyword import keyword
tm = {keyword(u"type"): keyword(u"extra"),
keyword(u"msg"): rt.wrap(self._str)}
if self._data:
tm[keyword(u"data")] = self._data
return tm
def trace_map(self):
import pixie.vm.rt as rt
from pixie.vm.keyword import keyword
tm = {keyword(u"type"): keyword(u"extra"),
keyword(u"msg"): rt.wrap(self._str)}
if self._data:
tm[keyword(u"data")] = self._data
return tm
def _throw(ex):
from pixie.vm.keyword import keyword
if isinstance(ex, RuntimeException):
raise WrappedException(ex)
if rt._satisfies_QMARK_(IVector, ex):
data = rt.nth(ex, rt.wrap(0))
msg = rt.nth(ex, rt.wrap(1))
elif rt._satisfies_QMARK_(ILookup, ex):
data = rt._val_at(ex, keyword(u"data"), nil)
msg = rt._val_at(ex, keyword(u"msg"), nil)
else:
affirm(False, u"Can only throw vectors, maps and exceptions")
return nil
raise WrappedException(RuntimeException(msg, data))
def _throw(ex):
from pixie.vm.keyword import keyword
if isinstance(ex, RuntimeException):
raise WrappedException(ex)
if rt._satisfies_QMARK_(IVector, ex):
data = rt.nth(ex, rt.wrap(0))
msg = rt.nth(ex, rt.wrap(1))
elif rt._satisfies_QMARK_(ILookup, ex):
data = rt._val_at(ex, keyword(u"data"), nil)
msg = rt._val_at(ex, keyword(u"msg"), nil)
else:
affirm(False, u"Can only throw vectors, maps and exceptions")
return nil
raise WrappedException(RuntimeException(msg, data))
def affirm(val, msg):
"""Works a lot like assert except it throws RuntimeExceptions"""
assert isinstance(msg, unicode)
if not val:
import pixie.vm.rt as rt
from pixie.vm.keyword import keyword
raise WrappedException(RuntimeException(rt.wrap(msg), keyword(u"pixie.stdlib/AssertionException")))
def inner_invoke(self, args):
from pixie.vm.keyword import keyword
import pixie.vm.rt as rt
from pixie.vm.string import String
import pixie.vm.persistent_vector as vector
with with_ns(u"user"):
NS_VAR.deref().include_stdlib()
acc = vector.EMPTY
for x in self._argv:
acc = rt.conj(acc, rt.wrap(x))
PROGRAM_ARGUMENTS.set_root(acc)
rdr = MetaDataReader(PromptReader())
with with_ns(u"user"):
while True:
try:
val = read(rdr, False)
if val is eof:
break
val = interpret(compile(val))
except WrappedException as ex:
print "Error: ", ex._ex.__repr__()
rdr.reset_line()
continue
if val is keyword(u"exit-repl"):
break
val = rt.str(val)
assert isinstance(val, String), "str should always return a string"
print val._str
def invoke(self, rdr, ch):
nms = u""
ch = rdr.read()
if ch == u":":
itm = read_inner(rdr, True)
nms = rt.name(rt.ns.deref())
else:
rdr.unread()
itm = read_inner(rdr, True)
affirm(isinstance(itm, Symbol), u"Can't keyword quote a non-symbol")
if nms:
affirm(rt.namespace(itm) is None, u"Kewyword cannot have two namespaces")
return keyword(rt.name(itm), nms)
else:
return keyword(rt.name(itm), rt.namespace(itm))
def invoke(self, rdr, ch):
ch = rdr.read()
if ch == u":":
itm = read_inner(rdr, True)
return self.fqd(itm)
else:
rdr.unread()
itm = read_inner(rdr, True)
return keyword(rt.name(itm), rt.namespace(itm))
def invoke(self, rdr, ch):
nms = u""
ch = rdr.read()
if ch == u":":
itm = read_inner(rdr, True)
nms = rt.name(rt.ns.deref())
else:
rdr.unread()
itm = read_inner(rdr, True)
affirm(isinstance(itm, Symbol), u"Can't keyword quote a non-symbol")
if nms:
affirm(
rt.namespace(itm) is None,
u"Kewyword cannot have two namespaces")
return keyword(rt.name(itm), nms)
else:
return keyword(rt.name(itm), rt.namespace(itm))
def invoke(self, rdr, ch):
ch = rdr.read()
if ch == u":":
ch = rdr.read()
itm = read_symbol(rdr, ch, False)
return self.fqd(itm)
else:
itm = read_symbol(rdr, ch, False)
return keyword(rt.name(itm), rt.namespace(itm))
def _seq(self):
import pixie.vm.persistent_vector as vector
import pixie.vm.persistent_hash_map as hmap
from pixie.vm.keyword import keyword
assert isinstance(self, RuntimeException)
trace = vector.EMPTY
trace_element = rt.hashmap(keyword(u"type"), keyword(u"runtime"))
trace_element = rt.assoc(trace_element, keyword(u"data"), rt.wrap(self._data))
trace = rt.conj(trace, trace_element)
for x in self._trace:
tmap = x.trace_map()
trace_element = hmap.EMPTY
for key in tmap:
val = tmap[key]
trace_element = rt.assoc(trace_element, key, val)
trace = rt.conj(trace, trace_element)
return rt._seq(trace)
def _seq(self):
import pixie.vm.persistent_vector as vector
import pixie.vm.persistent_hash_map as hmap
from pixie.vm.keyword import keyword
assert isinstance(self, RuntimeException)
trace = vector.EMPTY
trace_element = rt.hashmap(keyword(u"type"), keyword(u"runtime"))
trace_element = rt.assoc(trace_element, keyword(u"data"),
rt.wrap(self._data))
trace = rt.conj(trace, trace_element)
for x in self._trace:
tmap = x.trace_map()
trace_element = hmap.EMPTY
for key in tmap:
val = tmap[key]
trace_element = rt.assoc(trace_element, key, val)
trace = rt.conj(trace, trace_element)
return rt._seq(trace)
def maybe_oop_invoke(form):
head = rt.first(form)
if isinstance(rt.first(form), symbol.Symbol) and rt.name(head).startswith(".-"):
postfix = rt.next(form)
affirm(rt.count(postfix) == 1, u" Attribute lookups must only have one argument")
subject = rt.first(postfix)
kw = keyword(rt.name(head)[2:])
fn = symbol.symbol(u"pixie.stdlib/-get-attr")
return create_from_list([fn, subject, kw])
elif isinstance(rt.first(form), symbol.Symbol) and rt.name(head).startswith("."):
subject = rt.first(rt.next(form))
postfix = rt.next(rt.next(form))
form = cons(keyword(rt.name(head)[1:]), postfix)
form = cons(subject, form)
form = cons(symbol.symbol(u"pixie.stdlib/-call-method"), form)
return form
else:
return form
def _try_catch(main_fn, catch_fn, final):
from pixie.vm.keyword import keyword
try:
return main_fn.invoke([])
except Exception as ex:
if not isinstance(ex, WrappedException):
if isinstance(ex, Exception):
if not we_are_translated():
print "Python Error Info: ", ex.__dict__, ex
raise
ex = RuntimeException(
rt.wrap(u"Internal error: " + unicode(str(ex))), keyword(u"pixie.stdlib/InternalError")
)
else:
ex = RuntimeException(u"No available message", keyword(u"pixie.stdlib/UnknownInternalError"))
return catch_fn.invoke([ex])
else:
return catch_fn.invoke([ex._ex])
finally:
if final is not nil:
final.invoke([])
def _try_catch(main_fn, catch_fn, final):
from pixie.vm.keyword import keyword
try:
return main_fn.invoke([])
except Exception as ex:
if not isinstance(ex, WrappedException):
if isinstance(ex, Exception):
if not we_are_translated():
print "Python Error Info: ", ex.__dict__, ex
raise
ex = RuntimeException(
rt.wrap(u"Internal error: " + unicode(str(ex))),
keyword(u"pixie.stdlib/InternalError"))
else:
ex = RuntimeException(
u"No available message",
keyword(u"pixie.stdlib/UnknownInternalError"))
return catch_fn.invoke([ex])
else:
return catch_fn.invoke([ex._ex])
finally:
if final is not nil:
final.invoke([])
def invoke(self, rdr, ch):
meta = read_inner(rdr, True)
obj = read_inner(rdr, True)
if isinstance(meta, Keyword):
meta = rt.hashmap(meta, true)
if isinstance(meta, Symbol):
meta = rt.hashmap(keyword(u"tag"), meta)
if rt._satisfies_QMARK_(rt.IMeta.deref(), obj):
return rt.with_meta(obj, rt.merge(meta, rt.meta(obj)))
return obj
def maybe_oop_invoke(form):
head = rt.first(form)
if isinstance(rt.first(form),
symbol.Symbol) and rt.name(head).startswith(".-"):
postfix = rt.next(form)
affirm(
rt.count(postfix) == 1,
u" Attribute lookups must only have one argument")
subject = rt.first(postfix)
kw = keyword(rt.name(head)[2:])
fn = symbol.symbol(u"pixie.stdlib/-get-attr")
return create_from_list([fn, subject, kw])
elif isinstance(rt.first(form),
symbol.Symbol) and rt.name(head).startswith("."):
subject = rt.first(rt.next(form))
postfix = rt.next(rt.next(form))
form = cons(keyword(rt.name(head)[1:]), postfix)
form = cons(subject, form)
form = cons(symbol.symbol(u"pixie.stdlib/-call-method"), form)
return form
else:
return form
def trace_map(self):
from pixie.vm.string import String
from pixie.vm.numbers import Integer
from pixie.vm.keyword import keyword
tm = {keyword(u"type") : keyword(u"interpreter")}
tm[keyword(u"line")] = String(self._line.__repr__())
tm[keyword(u"line-number")] = Integer(self._line_number)
tm[keyword(u"column-number")] = Integer(self._column_number)
tm[keyword(u"file")] = String(self._file)
return tm
def trace_map(self):
from pixie.vm.string import String
from pixie.vm.numbers import Integer
from pixie.vm.keyword import keyword
tm = {keyword(u"type"): keyword(u"interpreter")}
tm[keyword(u"line")] = String(self._line.__repr__())
tm[keyword(u"line-number")] = Integer(self._line_number)
tm[keyword(u"column-number")] = Integer(self._column_number)
tm[keyword(u"file")] = String(self._file)
return tm
def repl():
from pixie.vm.keyword import keyword
import pixie.vm.rt as rt
from pixie.vm.string import String
with with_ns(u"user"):
NS_VAR.deref().include_stdlib()
rdr = PromptReader()
while True:
with with_ns(u"user"):
try:
val = interpret(compile(read(rdr, True)))
except WrappedException as ex:
print "Error: ", ex._ex.__repr__()
continue
if val is keyword(u"exit-repl"):
break
val = rt.str(val)
assert isinstance(val, String), "str should always return a string"
print val._str
def inner_invoke(self, args):
from pixie.vm.keyword import keyword
import pixie.vm.rt as rt
from pixie.vm.string import String
import pixie.vm.persistent_vector as vector
print "Pixie 0.1 - Interactive REPL"
print "(" + platform.name + ", " + platform.cc + ")"
print ":exit-repl or Ctrl-D to quit"
print "----------------------------"
with with_ns(u"user"):
NS_VAR.deref().include_stdlib()
acc = vector.EMPTY
for x in self._argv:
acc = rt.conj(acc, rt.wrap(x))
PROGRAM_ARGUMENTS.set_root(acc)
rdr = MetaDataReader(PromptReader())
with with_ns(u"user"):
while True:
try:
val = read(rdr, False)
if val is eof:
break
val = interpret(compile(val))
self.set_recent_vars(val)
except WrappedException as ex:
print "Error: ", ex._ex.__repr__()
rdr.reset_line()
self.set_error_var(ex._ex)
continue
if val is keyword(u"exit-repl"):
break
val = rt._repr(val)
assert isinstance(val,
String), "str should always return a string"
print unicode_to_utf8(val._str)
def inner_invoke(self, args):
from pixie.vm.keyword import keyword
import pixie.vm.rt as rt
from pixie.vm.string import String
import pixie.vm.persistent_vector as vector
print "Pixie 0.1 - Interactive REPL"
print "(" + platform.name + ", " + platform.cc + ")"
print ":exit-repl or Ctrl-D to quit"
print "----------------------------"
with with_ns(u"user"):
NS_VAR.deref().include_stdlib()
acc = vector.EMPTY
for x in self._argv:
acc = rt.conj(acc, rt.wrap(x))
PROGRAM_ARGUMENTS.set_root(acc)
rdr = MetaDataReader(PromptReader())
with with_ns(u"user"):
while True:
try:
val = read(rdr, False)
if val is eof:
break
val = interpret(compile(val))
self.set_recent_vars(val)
except WrappedException as ex:
print "Error: ", ex._ex.__repr__()
rdr.reset_line()
self.set_error_var(ex._ex)
continue
if val is keyword(u"exit-repl"):
break
val = rt._repr(val)
assert isinstance(val, String), "str should always return a string"
print unicode_to_utf8(val._str)
def runtime_error(msg, data=None):
import pixie.vm.rt as rt
from pixie.vm.keyword import keyword
if data is None:
data = u"pixie.stdlib/AssertionException"
raise WrappedException(RuntimeException(rt.wrap(msg), keyword(data)))
def invoke(self, rdr, ch):
itm = read(rdr, True)
affirm(isinstance(itm, Symbol), u"Can't keyword quote a non-symbol")
return keyword(itm._str)
from pixie.vm.cons import cons
from pixie.vm.symbol import symbol, Symbol
from pixie.vm.keyword import keyword, Keyword
import pixie.vm.rt as rt
from pixie.vm.persistent_vector import EMPTY as EMPTY_VECTOR
from pixie.vm.libs.readline import _readline
from pixie.vm.string import Character, String
from pixie.vm.code import wrap_fn, extend
from pixie.vm.persistent_hash_map import EMPTY as EMPTY_MAP
from pixie.vm.persistent_hash_set import EMPTY as EMPTY_SET
import pixie.vm.stdlib as proto
import pixie.vm.compiler as compiler
from rpython.rlib.rsre import rsre_re as re
LINE_NUMBER_KW = keyword(u"line-number")
COLUMN_NUMBER_KW = keyword(u"column-number")
LINE_KW = keyword(u"line")
FILE_KW = keyword(u"file")
GEN_SYM_ENV = code.intern_var(u"pixie.stdlib.reader", u"*gen-sym-env*")
GEN_SYM_ENV.set_dynamic()
GEN_SYM_ENV.set_value(EMPTY_MAP)
class PlatformReader(object.Object):
_type = object.Type(u"PlatformReader")
def read(self):
assert False
def unread(self, ch):
def read_obj(rdr):
tag = read_tag(rdr)
if tag == INT:
return Integer(intmask(read_raw_integer(rdr)))
elif tag == BIGINT:
return BigInteger(read_raw_bigint(rdr))
elif tag == CODE:
return read_code(rdr)
elif tag == NIL:
return nil
elif tag == VAR:
return read_var(rdr)
elif tag == STRING:
return String(read_raw_string(rdr))
elif tag == KEYWORD:
return keyword(read_raw_string(rdr))
elif tag == SYMBOL:
return symbol(read_raw_string(rdr))
elif tag == LINE_PROMISE:
lp = LinePromise()
lp._chrs = None
lp._str = read_raw_string(rdr)
return lp
elif tag == MAP:
return read_map(rdr)
elif tag == TRUE:
return true
elif tag == FALSE:
return false
elif tag == NIL:
return nil
elif tag == VECTOR:
return read_vector(rdr)
elif tag == SEQ:
return read_seq(rdr)
elif tag == FLOAT:
return read_float(rdr)
elif tag == NAMESPACE:
return read_namespace(rdr)
elif tag == INT_STRING:
return Integer(int(read_raw_string(rdr)))
elif tag == BIGINT_STRING:
return BigInteger(rbigint.fromstr(str(read_raw_string(rdr))))
elif tag == NEW_CACHED_OBJ:
return rdr.read_and_cache()
elif tag == CACHED_OBJ:
return rdr.read_cached_obj()
elif tag == EOF:
from pixie.vm.reader import eof
return eof
elif tag == CODE_INFO:
return read_interpreter_code_info(rdr)
elif tag == TAGGED:
tp_name = read_raw_string(rdr)
tp = get_type_by_name(tp_name)
handler = read_handlers.get(tp, None)
if handler is None:
runtime_error(u"No type handler for " + tp_name)
obj = read_obj(rdr)
return handler.invoke([obj])
else:
runtime_error(u"No dispatch for bytecode: " + unicode(tag_name[tag]))
return nil
def invoke(self, rdr, ch):
itm = read(rdr, True)
affirm(isinstance(itm, Symbol), u"Can't keyword quote a non-symbol")
return keyword(rt.name(itm))
from pixie.vm.libs.libedit import _readline from pixie.vm.string import Character from pixie.vm.code import wrap_fn from pixie.vm.persistent_hash_map import EMPTY as EMPTY_MAP from pixie.vm.persistent_hash_set import EMPTY as EMPTY_SET from pixie.vm.persistent_list import EmptyList import pixie.vm.compiler as compiler from rpython.rlib.rbigint import rbigint from rpython.rlib.rsre import rsre_re as re READING_FORM_VAR = code.intern_var(u"pixie.stdlib", u"*reading-form*") READING_FORM_VAR.set_dynamic() READING_FORM_VAR.set_root(false) LINE_NUMBER_KW = keyword(u"line-number") COLUMN_NUMBER_KW = keyword(u"column-number") LINE_KW = keyword(u"line") FILE_KW = keyword(u"file") GEN_SYM_ENV = code.intern_var(u"pixie.stdlib.reader", u"*gen-sym-env*") GEN_SYM_ENV.set_dynamic() GEN_SYM_ENV.set_root(EMPTY_MAP) ARG_AMP = symbol(u"&") ARG_MAX = keyword(u"max-arg") ARG_ENV = code.intern_var(u"pixie.stdlib.reader", u"*arg-env*") ARG_ENV.set_dynamic() ARG_ENV.set_root(nil) class PlatformReader(object.Object):
from pixie.vm.string import Character, String
from pixie.vm.atom import Atom
from rpython.rlib.rarithmetic import r_uint, intmask
from pixie.vm.persistent_list import EmptyList
from pixie.vm.cons import cons
from pixie.vm.persistent_list import create_from_list
import pixie.vm.rt as rt
NS_VAR = code.intern_var(u"pixie.stdlib", u"*ns*")
NS_VAR.set_dynamic()
FN_NAME = code.intern_var(u"pixie.stdlib", u"*fn-name*")
FN_NAME.set_dynamic()
DYNAMIC_KW = keyword(u"dynamic")
gensym_id = Atom(numbers.zero_int)
def gensym1():
return gensym2(rt.wrap(u"gensym_"))
def gensym2(prefix):
rt.reset_BANG_(gensym_id, rt._add(rt.deref(gensym_id), rt.wrap(1)))
i = rt.deref(gensym_id)
return rt.symbol(rt.str(prefix, i))
def read_obj(rdr):
tag = read_tag(rdr)
if tag == INT:
return Integer(intmask(read_raw_integer(rdr)))
elif tag == CODE:
return read_code(rdr)
elif tag == NIL:
return nil
elif tag == VAR:
return read_var(rdr)
elif tag == STRING:
return String(read_raw_string(rdr))
elif tag == KEYWORD:
return keyword(read_raw_string(rdr))
elif tag == SYMBOL:
return symbol(read_raw_string(rdr))
elif tag == LINE_PROMISE:
lp = LinePromise()
lp._str = read_raw_string(rdr)
return lp
elif tag == MAP:
return read_map(rdr)
elif tag == TRUE:
return true
elif tag == FALSE:
return false
elif tag == NIL:
return nil
elif tag == VECTOR:
return read_vector(rdr)
elif tag == SEQ:
return read_seq(rdr)
elif tag == FLOAT:
return read_float(rdr)
elif tag == NAMESPACE:
return read_namespace(rdr)
elif tag == INT_STRING:
return Integer(int(read_raw_string(rdr)))
elif tag == NEW_CACHED_OBJ:
return rdr.read_and_cache()
elif tag == CACHED_OBJ:
return rdr.read_cached_obj()
elif tag == EOF:
from pixie.vm.reader import eof
return eof
elif tag == CODE_INFO:
return read_interpreter_code_info(rdr)
elif tag == TAGGED:
tp_name = read_raw_string(rdr)
tp = get_type_by_name(tp_name)
handler = read_handlers.get(tp, None)
if handler is None:
runtime_error(u"No type handler for " + tp_name)
obj = read_obj(rdr)
return handler.invoke([obj])
else:
runtime_error(u"No dispatch for bytecode: " + unicode(tag_name[tag]))
return nil
import pixie.vm.code as code
from pixie.vm.keyword import Keyword, keyword
from pixie.vm.string import Character, String
from pixie.vm.atom import Atom
from rpython.rlib.rarithmetic import r_uint, intmask
from pixie.vm.persistent_list import EmptyList
import pixie.vm.rt as rt
NS_VAR = code.intern_var(u"pixie.stdlib", u"*ns*")
NS_VAR.set_dynamic()
FN_NAME = code.intern_var(u"pixie.stdlib", u"*fn-name*")
FN_NAME.set_dynamic()
DYNAMIC_KW = keyword(u"dynamic")
gensym_id = Atom(numbers.zero_int)
def gensym1():
return gensym2(rt.wrap(u"gensym_"))
def gensym2(prefix):
rt.reset_BANG_(gensym_id, rt._add(rt.deref(gensym_id), rt.wrap(1)))
i = rt.deref(gensym_id)
return rt.symbol(rt.str(prefix, i))
gensym = code.intern_var(u"pixie.stdlib", u"gensym")
gensym.set_root(code.MultiArityFn(u"gensym", {0: code.wrap_fn(gensym1), 1: code.wrap_fn(gensym2)}))
import pixie.vm.stdlib as proto
from pixie.vm.keyword import keyword
from rpython.rlib.clibffi import get_libc_name
import os
import pixie.vm.rt as rt
class FileList(Object):
_type = Type(u"pixie.path.FileList")
def type(self):
return FileList._type
def __init__(self, top):
self._top = rt.name(top)
KW_DIR = keyword(u"dir")
KW_FILE = keyword(u"file")
@extend(proto._reduce, FileList)
def _reduce(self, f, init):
assert isinstance(self, FileList)
for dirpath, dirnames, filenames in os.walk(str(self._top)):
for dirname in dirnames:
init = f.invoke([init, rt.vector(rt.wrap(dirpath), KW_DIR, rt.wrap(dirname))])
if rt.reduced_QMARK_(init):
return rt.deref(init)
for filename in filenames:
init = f.invoke([init, rt.vector(rt.wrap(dirpath), KW_FILE, rt.wrap(filename))])
if rt.reduced_QMARK_(init):
return rt.deref(init)