def p_if_stmt(p):
"""
if_stmt : IF expr sep stmt_list_opt elseif_stmt END_STMT
| IF expr error stmt_list_opt elseif_stmt END_STMT
"""
p[0] = node.if_stmt(cond_expr=p[2],
then_stmt=p[4],
else_stmt=p[5])
def p_elseif_stmt(p):
"""
elseif_stmt :
| ELSE stmt_list_opt
| ELSEIF expr sep stmt_list_opt elseif_stmt
"""
if len(p) == 1:
p[0] = node.stmt_list()
elif len(p) == 3:
p[0] = p[2]
elif len(p) == 6:
p[0] = node.if_stmt(cond_expr=p[2], then_stmt=p[4], else_stmt=p[5])
else:
assert 0
def p_elseif_stmt(p):
"""
elseif_stmt :
| ELSE stmt_list_opt
| ELSEIF expr sep stmt_list_opt elseif_stmt
"""
if len(p) == 1:
p[0] = node.stmt_list()
elif len(p) == 3:
p[0] = p[2]
elif len(p) == 6:
p[0] = node.if_stmt(cond_expr=p[2],
then_stmt=p[4],
else_stmt=p[5])
else:
assert 0
def p_case_list(p):
"""
case_list :
| CASE expr sep stmt_list_opt case_list
| CASE expr error stmt_list_opt case_list
| OTHERWISE stmt_list
"""
if len(p) == 1:
p[0] = node.stmt_list()
elif len(p) == 3:
assert isinstance(p[2],node.stmt_list)
p[0] = p[2]
elif len(p) == 6:
p[0] = node.if_stmt(cond_expr=node.expr(op="==",
args=node.expr_list([p[2]])),
then_stmt=p[4],
else_stmt=p[5])
p[0].cond_expr.args.append(None) # None will be replaced using backpatch()
else:
assert 0
def p_case_list(p):
"""
case_list :
| CASE expr sep stmt_list_opt case_list
| CASE expr error stmt_list_opt case_list
| OTHERWISE stmt_list
"""
if len(p) == 1:
p[0] = node.stmt_list()
elif len(p) == 3:
assert isinstance(p[2], node.stmt_list)
p[0] = p[2]
elif len(p) == 6:
p[0] = node.if_stmt(cond_expr=node.expr(op="==",
args=node.expr_list([p[2]])),
then_stmt=p[4],
else_stmt=p[5])
p[0].cond_expr.args.append(
None) # None will be replaced using backpatch()
else:
assert 0
def p_if_stmt(p):
"""
if_stmt : IF expr sep stmt_list_opt elseif_stmt END_STMT
| IF expr error stmt_list_opt elseif_stmt END_STMT
"""
p[0] = node.if_stmt(cond_expr=p[2], then_stmt=p[4], else_stmt=p[5])