def get_params_symtable(
params: FuncParameterList,
schema: s_schema.Schema,
*,
inlined_defaults: bool,
) -> Dict[str, qlast.Expr]:
anchors: Dict[str, qlast.Expr] = {}
defaults_mask = qlast.TypeCast(
expr=qlast.Parameter(name='__defaults_mask__', optional=False),
type=qlast.TypeName(
maintype=qlast.ObjectRef(
module='std',
name='bytes',
),
),
)
for pi, p in enumerate(params.get_in_canonical_order(schema)):
p_shortname = p.get_parameter_name(schema)
p_is_optional = p.get_typemod(schema) is not ft.TypeModifier.SINGLETON
anchors[p_shortname] = qlast.TypeCast(
expr=qlast.Parameter(
name=p_shortname,
optional=p_is_optional,
),
type=utils.typeref_to_ast(schema, p.get_type(schema)),
)
p_default = p.get_default(schema)
if p_default is None:
continue
if not inlined_defaults:
continue
anchors[p_shortname] = qlast.IfElse(
condition=qlast.BinOp(
left=qlast.FunctionCall(
func=('std', 'bytes_get_bit'),
args=[
defaults_mask,
qlast.IntegerConstant(value=str(pi)),
]),
op='=',
right=qlast.IntegerConstant(value='0'),
),
if_expr=anchors[p_shortname],
else_expr=qlast._Optional(expr=p_default.qlast),
)
return anchors
def get_param_anchors_for_callable(
params: s_func.ParameterLikeList,
schema: s_schema.Schema,
*,
inlined_defaults: bool,
) -> Tuple[Dict[str, irast.Parameter], List[qlast.AliasedExpr], ]:
anchors = {}
aliases = []
if inlined_defaults:
anchors['__defaults_mask__'] = irast.Parameter(
name='__defaults_mask__',
typeref=irtyputils.type_to_typeref( # note: no cache
schema,
cast(s_scalars.ScalarType, schema.get('std::bytes')),
),
)
pg_params = s_func.PgParams.from_params(schema, params)
for pi, p in enumerate(pg_params.params):
p_shortname = p.get_shortname(schema)
anchors[p_shortname] = irast.Parameter(
name=p_shortname,
typeref=irtyputils.type_to_typeref(schema, p.get_type(schema)))
if p.get_default(schema) is None:
continue
if not inlined_defaults:
continue
aliases.append(
qlast.AliasedExpr(
alias=p_shortname,
expr=qlast.
IfElse(condition=qlast.BinOp(left=qlast.FunctionCall(
func=('std', 'bytes_get_bit'),
args=[
qlast.Path(
steps=[qlast.ObjectRef(name='__defaults_mask__')]),
qlast.IntegerConstant(value=str(pi)),
]),
right=qlast.IntegerConstant(
value='0'),
op='='),
if_expr=qlast.Path(
steps=[qlast.ObjectRef(name=p_shortname)]),
else_expr=qlast._Optional(
expr=p.get_ql_default(schema)))))
return anchors, aliases
def get_param_anchors_for_callable(params, schema):
anchors = {}
aliases = []
anchors['__defaults_mask__'] = irast.Parameter(
name='__defaults_mask__',
typeref=irtyputils.type_to_typeref(schema, schema.get('std::bytes')))
pg_params = s_func.PgParams.from_params(schema, params)
for pi, p in enumerate(pg_params.params):
p_shortname = p.get_shortname(schema)
anchors[p_shortname] = irast.Parameter(
name=p_shortname,
typeref=irtyputils.type_to_typeref(schema, p.get_type(schema)))
if p.get_default(schema) is None:
continue
aliases.append(
qlast.AliasedExpr(
alias=p_shortname,
expr=qlast.
IfElse(condition=qlast.BinOp(left=qlast.FunctionCall(
func=('std', 'bytes_get_bit'),
args=[
qlast.Path(
steps=[qlast.ObjectRef(name='__defaults_mask__')]),
qlast.IntegerConstant(value=str(pi)),
]),
right=qlast.IntegerConstant(
value='0'),
op='='),
if_expr=qlast.Path(
steps=[qlast.ObjectRef(name=p_shortname)]),
else_expr=qlast._Optional(
expr=p.get_ql_default(schema)))))
return anchors, aliases
def compile_func_to_ir(func, schema, *,
anchors=None,
security_context=None,
modaliases=None,
implicit_id_in_shapes=False,
implicit_tid_in_shapes=False):
"""Compile an EdgeQL function into EdgeDB IR."""
if debug.flags.edgeql_compile:
debug.header('EdgeQL Function')
debug.print(func.get_code(schema))
trees = ql_parser.parse_block(func.get_code(schema) + ';')
if len(trees) != 1:
raise errors.InvalidFunctionDefinitionError(
'functions can only contain one statement')
tree = trees[0]
if modaliases:
ql_parser.append_module_aliases(tree, modaliases)
if anchors is None:
anchors = {}
anchors['__defaults_mask__'] = irast.Parameter(
name='__defaults_mask__',
typeref=irtyputils.type_to_typeref(schema, schema.get('std::bytes')))
func_params = func.get_params(schema)
pg_params = s_func.PgParams.from_params(schema, func_params)
for pi, p in enumerate(pg_params.params):
p_shortname = p.get_shortname(schema)
anchors[p_shortname] = irast.Parameter(
name=p_shortname,
typeref=irtyputils.type_to_typeref(schema, p.get_type(schema)))
if p.get_default(schema) is None:
continue
tree.aliases.append(
qlast.AliasedExpr(
alias=p_shortname,
expr=qlast.IfElse(
condition=qlast.BinOp(
left=qlast.FunctionCall(
func=('std', 'bytes_get_bit'),
args=[
qlast.FuncArg(
arg=qlast.Path(steps=[
qlast.ObjectRef(
name='__defaults_mask__')
])),
qlast.FuncArg(
arg=qlast.IntegerConstant(value=str(pi)))
]),
right=qlast.IntegerConstant(value='0'),
op='='),
if_expr=qlast.Path(
steps=[qlast.ObjectRef(name=p_shortname)]),
else_expr=qlast._Optional(expr=p.get_ql_default(schema)))))
ir = compile_ast_to_ir(
tree, schema, anchors=anchors, func=func,
security_context=security_context, modaliases=modaliases,
implicit_id_in_shapes=implicit_id_in_shapes,
implicit_tid_in_shapes=implicit_tid_in_shapes)
return ir