def semantic_checks(tree):
semdata = SemData()
semdata.variable_def = []
semdata.parameters = {}
semdata.funcs = {}
visit_tree(tree, before_fun, after_fun, semdata)
return semdata
def main():
while True:
command = input()
task = command.split(' ')[0]
if (task == "-h" or task == "--help"):
print(
"usage: main.py [-h] [--who | -f FILE]\n-h, --help show this help message and exit\n --who print out student IDs and NAMEs of authors\n -f FILE, --file FILE filename to process"
)
break
elif (task == "--who"):
print("Evgeniia Onosovskaia, 281251")
elif ((task == "-f" or task == "--file")
and len(command.split(' ')) == 2):
file_name = command.split(' ')[1]
ast_tree = tree_generation.parse_result(file_name)
semdata = SemData()
local_vars = []
semdata.in_function = None
# semantics_check.semantic_checks(ast_tree, semdata)
# tree_print.treeprint(ast_tree)
run_program(ast_tree, semdata, local_vars)
else:
print("Incorrect command, please try again!")
group.add_argument('--who', action='store_true', help='who wrote this')
group.add_argument('-f', '--file', help='filename to process')
ns = arg_parser.parse_args()
outformat = "unicode"
if ns.treetype:
outformat = ns.treetype
if ns.who == True:
# identify who wrote this
print('246258 Joonas Jäppinen')
print('262767 Pino Surace')
elif ns.file is None:
# user didn't provide input filename
arg_parser.print_help()
else:
data = codecs.open(ns.file, encoding='utf-8').read()
ast_tree = parser.parse(data, lexer=popl_lex.lexer, debug=False)
if ns.tree == True:
treeprint(ast_tree, outformat)
semdata = SemData()
check_semantics(ast_tree, semdata)
if semdata.errors:
print("Semantic errors:")
for err in semdata.errors:
print(err)
else:
print("Semantics ok, running:")
run_program(ast_tree, semdata)
value1 = node.child_coord2.value[0]
value2 = node.child_coord2.value[2]
value = [val1, val2, value1, value2]
return value
else:
print("Error, unknown node of type " + nodetype)
return None
if __name__ == "__main__":
import argparse, codecs
arg_parser = argparse.ArgumentParser()
arg_parser.add_argument('-f', '--file', help='filename to process')
ns = arg_parser.parse_args()
if ns.file is None:
arg_parser.print_help()
else:
data = codecs.open(ns.file, encoding='utf-8').read()
ast_tree = parser.parse(data, lexer=lexer.lexer, debug=False)
semdata = SemData()
semdata.in_function = None
semantics_check.semantic_checks(ast_tree, semdata)
tree_print.treeprint(ast_tree)
print("Semantics ok.")
run_program(ast_tree, semdata)
semantics_check.print_symbol_table(semdata, "Symbol table")
print("Program finished.")
import tree_generation
import tree_print
parser = tree_generation.parser
if __name__ == "__main__":
import argparse, codecs
arg_parser = argparse.ArgumentParser()
arg_parser.add_argument('-f', '--file', help='filename to process')
ns = arg_parser.parse_args()
if ns.file is None:
arg_parser.print_help()
else:
data = codecs.open(ns.file, encoding='utf-8').read()
ast_tree = parser.parse(data, lexer=tokenizer.lexer, debug=False)
ast_tree.children_definitions.reverse()
tree_print.treeprint(ast_tree)
semdata = SemData()
semdata.in_function = None
semdata.symtbl = {}
create_scope(semdata, "global")
semdata.symtbl["global"]["declared"] = set()
semdata.symtbl["global"]["functions"] = dict()
semantic_checks(ast_tree, semdata)
print("Semantics ok:")