def clear():
global value_table
global type_table
global repl_heap
global total_stmt
value_table = sym_tbl.SymbolTable()
type_table = sym_tbl.SymbolTable()
repl_heap = {}
total_stmt = ast.StmtList()
def __init__(self):
# initialize the symbol table (for ids -> types)
self.sym_table = symbol_table.SymbolTable()
# current_type holds the type of the last expression type
self.current_type = None
# global env (for return)
self.sym_table.push_environment()
# set global return type to int
self.sym_table.add_id('return')
self.sym_table.set_info('return', token.INTTYPE)
# load in built-in function types
self.sym_table.add_id('print')
self.sym_table.set_info('print', [[token.STRINGTYPE], token.NIL])
self.sym_table.add_id('length')
self.sym_table.set_info('length', [[token.STRINGTYPE], token.INTTYPE])
self.sym_table.add_id('get')
self.sym_table.set_info(
'get', [[token.INTTYPE, token.STRINGTYPE], token.STRINGTYPE])
self.sym_table.add_id('reads')
self.sym_table.set_info('reads', [[], token.STRINGTYPE])
self.sym_table.add_id('readi')
self.sym_table.set_info('readi', [[], token.INTTYPE])
self.sym_table.add_id('readf')
self.sym_table.set_info('readf', [[], token.FLOATTYPE])
self.sym_table.add_id('itos')
self.sym_table.set_info('itos', [[token.INTTYPE], token.STRINGTYPE])
self.sym_table.add_id('itof')
self.sym_table.set_info('itof', [[token.INTTYPE], token.FLOATTYPE])
self.sym_table.add_id('ftos')
self.sym_table.set_info('ftos', [[token.FLOATTYPE], token.STRINGTYPE])
self.sym_table.add_id('stoi')
self.sym_table.set_info('stoi', [[token.STRINGTYPE], token.INTTYPE])
self.sym_table.add_id('stof')
self.sym_table.set_info('stof', [[token.STRINGTYPE], token.FLOATTYPE])
def __init__(self):
# initialize the symbol table (for ids -> values)
self.sym_table = sym_tbl.SymbolTable()
# holds the type of last expression type
self.current_value = None
# the heap {oid:struct_obj}
self.heap = {}
def __init__(self):
# initialize the symbol table (for ids -> values)
self.sym_table = sym_tbl.SymbolTable()
# holds the type of last expression type
self.current_value = None
self.current_token = None #keeps the curren token for error reporting
self.expressionIsTrue = True #checks for conditional statements and loopss
self.structDict = {} #holds values of varDecls of the struct
self.inStruct = False #checks to see if enviroment is inside of a struct
self.varId = "x" #holds the current var id
# the heap {oid:struct_obj}
self.structId = 1
self.heap = {}
def __init__(self):
# initialize the symbol table (for ids -> types)
self.sym_table = symbol_table.SymbolTable()
# current_type holds the type of the last expression type
self.current_type = None
#checks to see if we are inside a struct
self.inStruct = False
#dictionary for holding values for the dictionary
self.dict = {}
# global env (for return)
self.sym_table.push_environment()
# set global return type to int
self.sym_table.add_id('return')
self.sym_table.set_info('return', token.INTTYPE)
# load in built-in function types
self.sym_table.add_id('print')
self.sym_table.set_info('print', [[token.STRINGVAL], token.NIL])
self.sym_table.add_id('pass')
self.sym_table.set_info('pass', token.INTTYPE)
self.sym_table.add_id('reads')
self.sym_table.set_info('reads', [[], token.STRINGVAL])
self.sym_table.add_id('length')
self.sym_table.set_info('length', [[token.STRINGVAL], token.INTVAL])
self.sym_table.add_id('get')
self.sym_table.set_info(
'get', [[token.INTVAL, token.STRINGVAL], token.STRINGVAL])
self.sym_table.add_id('stof')
self.sym_table.set_info('stof', [[token.STRINGVAL], token.FLOATVAL])
self.sym_table.add_id('ftos')
self.sym_table.set_info('ftos', [[token.FLOATVAL], token.STRINGVAL])
self.sym_table.add_id('itof')
self.sym_table.set_info('itof', [[token.INTVAL], token.FLOATVAL])
self.sym_table.add_id('itos')
self.sym_table.set_info('itos', [[token.INTVAL], token.STRINGVAL])
self.sym_table.add_id('stoi')
self.sym_table.set_info('stoi', [[token.STRINGVAL], token.INTVAL])
self.sym_table.add_id('reads')
self.sym_table.set_info('reads', [[], token.STRINGVAL])
self.sym_table.add_id('readf')
self.sym_table.set_info('readf', [[], token.FLOATVAL])
def __init__(self):
# initialize symbol table (for ids -> values)
self.sym_table = sym_tbl.SymbolTable()
# holds the value of the last expression
self.current_value = None
def __init__(self):
self.sym_table = mypl_symbol_table.SymbolTable()
self.current_type = None
import mypl_interpreter as interpreter
import mypl_symbol_table as sym_tbl
import mypl_error as error
import mypl_print_visitor as ast_printer
import sys
# needed for load
import copy
from io import StringIO
# history
try:
import readline
except ImportError:
readline = None
value_table = sym_tbl.SymbolTable()
type_table = sym_tbl.SymbolTable()
repl_heap = {}
total_stmt = ast.StmtList()
def main():
vocab = {'load', 'save', 'clear', 'exit', 'help'}
readline.parse_and_bind('tab: complete')
readline.set_completer(make_completer(vocab))
print('MyPL REPL Version 1.0')
print('Use ":" for commands, :help for list of commands.')
keepGoing = True
while (keepGoing):
cur_stmt = input('>>> ')
def __init__(self):
self.sym_table = symbol_table.SymbolTable()
self.current_value = None
self.heap = {}
