def dectype(parameters):
ice9_parser_global.logger.debug("Entering dectype")
paramter_identifier_list = ice9_parser_var.idlist()
if ice9_parser_global.tok.type == 'COLON':
ice9_parser_global.consume()
ice9_parser_global.logger.debug(ice9_parser_global.tok)
else:
print "Line", ice9_parser_global.tok.lineno, ": on token", ice9_parser_global.tok.value, "expecting ':'"
sys.exit()
if ice9_parser_global.tok.type == 'ID':
paramter_identifier_type = ice9_parser_global.tok.value
if paramter_identifier_type not in ice9_st_type.st_type:
print "Line", ice9_parser_global.tok.lineno, ": on token", ice9_parser_global.tok.value \
+ " type", paramter_identifier_type, "not defined"
sys.exit()
ice9_parser_global.consume()
ice9_parser_global.logger.debug(ice9_parser_global.tok)
else:
print "Line", ice9_parser_global.tok.lineno, ": on token", ice9_parser_global.tok.value, "expecting id"
sys.exit()
for param in paramter_identifier_list:
id_node = ice9_node.id_node(str(param), paramter_identifier_type, 0)
parameters.append(id_node)
ice9_parser_global.logger.debug("Exiting dectype")
def vartype():
ice9_parser_global.logger.debug("Entering vartype")
var_node_list = list()
if ice9_parser_global.tok.type == "ID":
identifier_list = idlist()
else:
print "Line", ice9_parser_global.tok.lineno, ": on token", ice9_parser_global.tok.value, "expecting id"
sys.exit()
if ice9_parser_global.tok.type == "COLON":
ice9_parser_global.consume()
ice9_parser_global.logger.debug(ice9_parser_global.tok)
else:
print "Line", ice9_parser_global.tok.lineno, ": on token", ice9_parser_global.tok.value, "expecting ':'"
sys.exit()
if ice9_parser_global.tok.type == "ID":
type_node = typeid()
else:
print "Line", ice9_parser_global.tok.lineno, ": on token", ice9_parser_global.tok.value, "expecting id"
sys.exit()
for identifier in identifier_list:
# Depending on the scope, calculate location for variable
# If scope is GLOBAL, then location is in GLOBAL section
# If scope is a procedure, then location is on stack, relative to FP
if ice9_parser_global.scope[-1] == "GLOBAL":
address = ice9_parser_global.get_next_global_address()
ice9_parser_global.global_pointer += type_node.length - 1
else:
address = ice9_st_proc.st_proc[ice9_parser_global.scope[-1]].local_variable_line
ice9_st_proc.st_proc[ice9_parser_global.scope[-1]].local_variable_line -= type_node.length
# Add entry to symbol table
identifier_entry = ice9_st_var.st_var_entry(
type_node.data_type, type_node.dimension, address, type_node.dimension_length
)
ice9_st_var.add_entry_to_st_var(str(identifier), identifier_entry)
id_node = ice9_node.id_node(str(identifier), type_node.data_type, type_node.dimension)
id_node.set_basic_data_type()
var_node_list.append(id_node)
var_node = ice9_node.var_node(var_node_list, type_node)
ice9_parser_global.logger.debug("Exiting vartype")
return var_node
