def visit_FunctionCall(self, node):
args = node.args
args = [qlast.FuncArg(arg=arg) for arg in self.visit(args)]
result = qlast.FunctionCall(
func=(node.func_shortname.module, node.func_shortname.name),
args=args,
)
return result
def visit_FunctionCall(self, node):
# FIXME: this is a temporary solution to bridge the gap to EdgeQL
if node.agg_set_modifier == qlast.AggDISTINCT:
args = qlast.UnaryOp(op=qlast.DISTINCT, operand=node.args[0])
else:
args = node.args
# FIXME: hack to reconstruct args for a trivial aggregate function
args = [qlast.FuncArg(arg=arg) for arg in self.visit(args)]
if node.agg_filter or node.agg_sort:
args[0].sort = node.agg_sort
args[0].filter = (self.visit(node.agg_filter)
if node.agg_filter is not None else None)
result = qlast.FunctionCall(
func=(node.func.shortname.module, node.func.shortname.name),
args=args,
)
return result
def reduce_Expr(self, *kids):
self.val = qlast.FuncArg(arg=kids[0].val)
def reduce_AnyIdentifier_ASSIGN_Expr(self, *kids):
self.val = (
kids[0].val,
kids[0].context,
qlast.FuncArg(arg=kids[2].val, context=kids[2].context)
)
def reduce_Expr(self, *kids):
self.val = (
None,
None,
qlast.FuncArg(arg=kids[0].val, context=kids[0].context))
def reduce_Identifier_TURNSTILE_Expr(self, *kids):
self.val = qlast.FuncArg(name=kids[0].val, arg=kids[2].val)
def compile_func_to_ir(func,
schema,
*,
anchors=None,
security_context=None,
modaliases=None,
implicit_id_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__', stype=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,
stype=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)
return ir