def __init__(self, l, it=None, idx=None):
self.stmt = None
if it is None and idx is None:
# Default: use it
it = True
idx = False
else:
# One or more are specified
if idx is None:
idx = False
if it is None:
it = False
if not idx and not it:
raise Exception("Neither it nor idx specified")
# Form an expression to the array
to_expr(l)
e = pop_expr()
self.arr_ref_e = e
self.elem_t = Expr2FieldTypeVisitor().fieldtype(e)
self.it = it
self.idx = idx
if not in_constraint_scope():
raise Exception(
"Attempting to use foreach constraint outside constraint scope"
)
self.stmt = ConstraintForeachModel(e)
if in_srcinfo_mode():
self.stmt.srcinfo = SourceInfo.mk()
def __init__(self, l, it=None, idx=None):
self.stmt = None
if it is None and idx is None:
# Default: use it
it = True
idx = False
else:
# One or more are specified
if idx is None:
idx = False
if it is None:
it = False
if not idx and not it:
raise Exception("Neither it nor idx specified")
self.it = it
self.idx = idx
self.arr = l
self.arr_model = l._int_field_info.model
if not in_constraint_scope():
raise Exception(
"Attempting to use foreach constraint outside constraint scope"
)
to_expr(l)
e = pop_expr()
self.stmt = ConstraintForeachModel(e)
def __init__(self, e):
if not in_constraint_scope():
raise Exception("Attempting to use if_then constraint outside constraint scope")
to_expr(e)
self.stmt = ConstraintIfElseModel(pop_expr())
push_constraint_stmt(self.stmt)
def __init__(self, e):
if not in_constraint_scope():
raise Exception(
"Attempting to use if_then constraint outside constraint scope"
)
to_expr(e)
self.stmt = ConstraintImpliesModel(pop_expr())
if in_srcinfo_mode():
self.stmt.srcinfo = SourceInfo.mk()
def __enter__(self):
if not in_constraint_scope():
raise Exception("Attempting to use if_then constraint outside constraint scope")
last_stmt = last_constraint_stmt()
if last_stmt == None or not isinstance(last_stmt, ConstraintIfElseModel):
raise Exception("Attempting to use else_then where it doesn't follow if_then/else_if")
# Need to find where to think this in
while last_stmt.false_c != None:
last_stmt = last_stmt.false_c
stmt = ConstraintScopeModel()
last_stmt.false_c = stmt
push_constraint_scope(stmt)
def __init__(self, e):
self.stmt = None
if not in_constraint_scope():
raise Exception("Attempting to use if_then constraint outside constraint scope")
last_stmt = last_constraint_stmt()
if last_stmt == None or not isinstance(last_stmt, ConstraintIfElseModel):
raise Exception("Attempting to use else_if where it doesn't follow if_then")
to_expr(e)
# Need to find where to think this in
while last_stmt.false_c != None:
last_stmt = last_stmt.false_c
self.stmt = ConstraintIfElseModel(pop_expr())
last_stmt.false_c = self.stmt
