def compile(self, source, filepath, initial_lineno=1, symtable=None):
if symtable is None:
symtable = SymbolTable()
astnode = self.parse(source, initial_lineno=initial_lineno, symtable=symtable)
ctx = CompilerContext(self, "<main>", symtable, filepath)
with ctx.set_lineno(initial_lineno):
astnode.compile(ctx)
return ctx.create_bytecode([], [], None, None)
def compile(self, source, filepath, initial_lineno=1, symtable=None):
if symtable is None:
symtable = SymbolTable()
astnode = self.parse(source, initial_lineno=initial_lineno, symtable=symtable)
ctx = CompilerContext(self, "<main>", symtable, filepath)
with ctx.set_lineno(initial_lineno):
astnode.compile(ctx)
return ctx.create_bytecode([], [], None, None)
def compile(self, source, filepath, initial_lineno=1, symtable=None):
if symtable is None:
symtable = SymbolTable()
astnode = self.parse(
source, initial_lineno=initial_lineno, symtable=symtable)
ctx = CompilerContext(self, "<main>", symtable, filepath)
with ctx.set_lineno(initial_lineno):
try:
astnode.compile(ctx)
except CompilerError as e:
raise self.error(self.w_SyntaxError, "%s" % e.msg)
return ctx.create_bytecode(initial_lineno, [], [], None, None)
def compile(self, ctx):
blockname = "block in %s" % ctx.code_name
block_ctx = ctx.get_subctx(blockname, self)
for cellname, kind in block_ctx.symtable.cells.iteritems():
if kind == block_ctx.symtable.CELLVAR:
block_ctx.symtable.get_cell_num(cellname)
block_args = []
defaults = []
for arg in self.block_args:
assert isinstance(arg, Argument)
block_args.append(arg.name)
block_ctx.symtable.get_cell_num(arg.name)
if arg.defl is not None:
arg_ctx = CompilerContext(ctx.space, blockname,
block_ctx.symtable, ctx.filepath)
arg.defl.compile(arg_ctx)
arg_ctx.emit(consts.RETURN)
bc = arg_ctx.create_bytecode([], [], None, None)
defaults.append(bc)
if self.splat_arg is not None:
block_ctx.symtable.get_cell_num(self.splat_arg)
if self.block_arg is not None:
block_ctx.symtable.get_cell_num(self.block_arg)
for name in ctx.symtable.cells:
if (name not in block_ctx.symtable.cell_numbers
and name not in block_ctx.symtable.cells):
block_ctx.symtable.cells[name] = block_ctx.symtable.FREEVAR
self.block.compile(block_ctx)
block_ctx.emit(consts.RETURN)
bc = block_ctx.create_bytecode(block_args, defaults, self.splat_arg,
self.block_arg)
ctx.emit(consts.LOAD_CONST, ctx.create_const(bc))
cells = [None] * len(block_ctx.symtable.cell_numbers)
for name, pos in block_ctx.symtable.cell_numbers.iteritems():
cells[pos] = name
num_cells = 0
for i in xrange(len(cells) - 1, -1, -1):
name = cells[i]
if block_ctx.symtable.cells[name] == block_ctx.symtable.FREEVAR:
ctx.emit(consts.LOAD_CLOSURE, ctx.symtable.get_cell_num(name))
num_cells += 1
ctx.emit(consts.BUILD_BLOCK, num_cells)
def compile(self, ctx):
blockname = "block in %s" % ctx.code_name
block_ctx = ctx.get_subctx(blockname, self)
for cellname, kind in block_ctx.symtable.cells.iteritems():
if kind == block_ctx.symtable.CELLVAR:
block_ctx.symtable.get_cell_num(cellname)
block_args = []
defaults = []
for arg in self.block_args:
assert isinstance(arg, Argument)
block_args.append(arg.name)
block_ctx.symtable.get_cell_num(arg.name)
if arg.defl is not None:
arg_ctx = CompilerContext(ctx.space, blockname, block_ctx.symtable, ctx.filepath)
arg.defl.compile(arg_ctx)
arg_ctx.emit(consts.RETURN)
bc = arg_ctx.create_bytecode([], [], None, None)
defaults.append(bc)
if self.splat_arg is not None:
block_ctx.symtable.get_cell_num(self.splat_arg)
if self.block_arg is not None:
block_ctx.symtable.get_cell_num(self.block_arg)
for name in ctx.symtable.cells:
if (name not in block_ctx.symtable.cell_numbers and
name not in block_ctx.symtable.cells):
block_ctx.symtable.cells[name] = block_ctx.symtable.FREEVAR
self.block.compile(block_ctx)
block_ctx.emit(consts.RETURN)
bc = block_ctx.create_bytecode(block_args, defaults, self.splat_arg, self.block_arg)
ctx.emit(consts.LOAD_CONST, ctx.create_const(bc))
cells = [None] * len(block_ctx.symtable.cell_numbers)
for name, pos in block_ctx.symtable.cell_numbers.iteritems():
cells[pos] = name
num_cells = 0
for i in xrange(len(cells) - 1, -1, -1):
name = cells[i]
if block_ctx.symtable.cells[name] == block_ctx.symtable.FREEVAR:
ctx.emit(consts.LOAD_CLOSURE, ctx.symtable.get_cell_num(name))
num_cells += 1
ctx.emit(consts.BUILD_BLOCK, num_cells)
def compile(self, ctx):
function_ctx = ctx.get_subctx(self.name, self)
defaults = []
arg_names = []
for arg in self.args:
assert isinstance(arg, Argument)
arg_names.append(arg.name)
function_ctx.symtable.get_cell_num(arg.name)
arg_ctx = CompilerContext(ctx.space, self.name,
function_ctx.symtable, ctx.filepath)
if arg.defl is not None:
arg.defl.compile(arg_ctx)
arg_ctx.emit(consts.RETURN)
bc = arg_ctx.create_bytecode([], [], None, None)
defaults.append(bc)
if self.splat_arg is not None:
function_ctx.symtable.get_cell_num(self.splat_arg)
if self.block_arg is not None:
function_ctx.symtable.get_cell_num(self.block_arg)
self.body.compile(function_ctx)
function_ctx.emit(consts.RETURN)
bytecode = function_ctx.create_bytecode(arg_names, defaults,
self.splat_arg, self.block_arg)
if self.parent is None:
ctx.emit(consts.LOAD_SCOPE)
else:
self.parent.compile(ctx)
ctx.emit(consts.LOAD_CONST, ctx.create_symbol_const(self.name))
ctx.emit(consts.LOAD_CONST, ctx.create_symbol_const(self.name))
ctx.emit(consts.LOAD_CONST, ctx.create_const(bytecode))
ctx.emit(consts.BUILD_FUNCTION)
if self.parent is None:
ctx.emit(consts.DEFINE_FUNCTION)
else:
ctx.emit(consts.ATTACH_FUNCTION)
def compile(self, ctx):
function_ctx = ctx.get_subctx(self.name, self)
defaults = []
arg_names = []
for arg in self.args:
assert isinstance(arg, Argument)
arg_names.append(arg.name)
function_ctx.symtable.get_cell_num(arg.name)
arg_ctx = CompilerContext(ctx.space, self.name, function_ctx.symtable, ctx.filepath)
if arg.defl is not None:
arg.defl.compile(arg_ctx)
arg_ctx.emit(consts.RETURN)
bc = arg_ctx.create_bytecode([], [], None, None)
defaults.append(bc)
if self.splat_arg is not None:
function_ctx.symtable.get_cell_num(self.splat_arg)
if self.block_arg is not None:
function_ctx.symtable.get_cell_num(self.block_arg)
self.body.compile(function_ctx)
function_ctx.emit(consts.RETURN)
bytecode = function_ctx.create_bytecode(
arg_names, defaults, self.splat_arg, self.block_arg
)
if self.parent is None:
ctx.emit(consts.LOAD_SCOPE)
else:
self.parent.compile(ctx)
ctx.emit(consts.LOAD_CONST, ctx.create_symbol_const(self.name))
ctx.emit(consts.LOAD_CONST, ctx.create_symbol_const(self.name))
ctx.emit(consts.LOAD_CONST, ctx.create_const(bytecode))
ctx.emit(consts.BUILD_FUNCTION)
if self.parent is None:
ctx.emit(consts.DEFINE_FUNCTION)
else:
ctx.emit(consts.ATTACH_FUNCTION)
def compile_bytecode(self, ctx, code_ctx, args, splat_arg, post_args,
kwargs, kwrest_arg, block_arg, body):
ctxname = self.get_code_name(ctx)
arg_names = []
arg_defaults = []
kw_arg_names = []
kw_defaults = []
first_default_arg = None
for arg in args:
assert isinstance(arg, Argument)
if arg.defl is None:
arg_names.append(arg.name)
code_ctx.symtable.get_cell_num(arg.name)
for arg in args:
assert isinstance(arg, Argument)
if arg.defl is not None:
arg_names.append(arg.name)
code_ctx.symtable.get_cell_num(arg.name)
if first_default_arg is None:
first_default_arg = arg.name
arg_ctx = CompilerContext(ctx.space, ctxname,
code_ctx.symtable, ctx.filepath)
arg.defl.compile(arg_ctx)
arg_ctx.emit(consts.RETURN)
bc = arg_ctx.create_bytecode()
arg_defaults.append(bc)
if splat_arg is not None:
code_ctx.symtable.get_cell_num(splat_arg)
for arg in post_args:
assert isinstance(arg, Argument)
arg_names.append(arg.name)
code_ctx.symtable.get_cell_num(arg.name)
assert arg.defl is None
# this sorting of kwargs with defaults first is important for arg
# handling in frame.py
for arg in kwargs:
assert isinstance(arg, Argument)
if arg.defl is not None:
code_ctx.symtable.get_cell_num(arg.name)
arg_ctx = CompilerContext(ctx.space, ctxname,
code_ctx.symtable, ctx.filepath)
arg.defl.compile(arg_ctx)
arg_ctx.emit(consts.RETURN)
bc = arg_ctx.create_bytecode()
kw_defaults.append(bc)
for arg in kwargs:
assert isinstance(arg, Argument)
code_ctx.symtable.get_cell_num(arg.name)
kw_arg_names.append(arg.name)
if kwrest_arg is not None:
code_ctx.symtable.get_cell_num(kwrest_arg)
if block_arg is not None:
code_ctx.symtable.get_cell_num(block_arg)
self.post_process_ctx(ctx, code_ctx)
body.compile(code_ctx)
code_ctx.emit(consts.RETURN)
return code_ctx.create_bytecode(
lineno=self.lineno,
args=arg_names,
defaults=arg_defaults,
first_default_arg=first_default_arg,
splat_arg=splat_arg,
kwargs=kw_arg_names,
kw_defaults=kw_defaults,
kwrest_arg=kwrest_arg,
block_arg=block_arg,
)
def compile_bytecode(self, ctx, code_ctx, args, splat_arg, post_args, kwargs, kwrest_arg, block_arg, body):
ctxname = self.get_code_name(ctx)
arg_names = []
arg_defaults = []
kw_arg_names = []
kw_defaults = []
first_default_arg = None
for arg in args:
assert isinstance(arg, Argument)
if arg.defl is None:
arg_names.append(arg.name)
code_ctx.symtable.get_cell_num(arg.name)
for arg in args:
assert isinstance(arg, Argument)
if arg.defl is not None:
arg_names.append(arg.name)
code_ctx.symtable.get_cell_num(arg.name)
if first_default_arg is None:
first_default_arg = arg.name
arg_ctx = CompilerContext(ctx.space, ctxname, code_ctx.symtable, ctx.filepath)
arg.defl.compile(arg_ctx)
arg_ctx.emit(consts.RETURN)
bc = arg_ctx.create_bytecode()
arg_defaults.append(bc)
if splat_arg is not None:
code_ctx.symtable.get_cell_num(splat_arg)
for arg in post_args:
assert isinstance(arg, Argument)
arg_names.append(arg.name)
code_ctx.symtable.get_cell_num(arg.name)
assert arg.defl is None
# this sorting of kwargs with defaults first is important for arg
# handling in frame.py
for arg in kwargs:
assert isinstance(arg, Argument)
if arg.defl is not None:
code_ctx.symtable.get_cell_num(arg.name)
arg_ctx = CompilerContext(ctx.space, ctxname, code_ctx.symtable, ctx.filepath)
arg.defl.compile(arg_ctx)
arg_ctx.emit(consts.RETURN)
bc = arg_ctx.create_bytecode()
kw_defaults.append(bc)
for arg in kwargs:
assert isinstance(arg, Argument)
code_ctx.symtable.get_cell_num(arg.name)
kw_arg_names.append(arg.name)
if kwrest_arg is not None:
code_ctx.symtable.get_cell_num(kwrest_arg)
if block_arg is not None:
code_ctx.symtable.get_cell_num(block_arg)
self.post_process_ctx(ctx, code_ctx)
body.compile(code_ctx)
code_ctx.emit(consts.RETURN)
return code_ctx.create_bytecode(
lineno=self.lineno,
args=arg_names,
defaults=arg_defaults,
first_default_arg=first_default_arg,
splat_arg=splat_arg,
kwargs=kw_arg_names,
kw_defaults=kw_defaults,
kwrest_arg=kwrest_arg,
block_arg=block_arg,
)