本文整理匯總了Python中SymbolTable.SymbolTable類的典型用法代碼示例。如果您正苦於以下問題：Python SymbolTable類的具體用法？Python SymbolTable怎麽用？Python SymbolTable使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了SymbolTable類的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: main
def main():
"output file is the file where output will be written to"
filename = sys.argv[1].split('.')[0]
outputfile = open( filename + ".hack", "a" )
"input file is the file where input will come from"
inputfile = Parser( sys.argv[1] )
lines = inputfile.commandLines()
for line in lines:
if( ParserComd( line ).commandType() == 'A_command' ):
symbol_line = ParserComd( line ).symbol( )
symbol_a = SymbolTable( )
symbol_a.addEntry( symbol_line )
f = symbol_a.GetAddress( symbol_line )
outputfile.write( f )
outputfile.write( '\n' )
elif( ParserComd( line ).commandType() == 'C_command_a' or ParserComd( line ).commandType() == 'C_command_b'):
dest_line = ParserComd( line ).dest()
comp_line = ParserComd( line ).comp()
jump_line = ParserComd( line ).jump()
cbinary = Code( dest_line, comp_line, jump_line ).cinstruction()
outputfile.write( cbinary )
outputfile.write( '\n' )
elif( ParserComd( line ).commandType() == 'L_command' ):
outputfile.write( 'This line is going to delete\n' )
outputfile.close()示例2: symboltabletests
class symboltabletests(unittest.TestCase):
def setUp(self):
self.st = SymbolTable()
def testContains(self):
self.st.addEntry("loop", 100)
self.assertTrue(self.st.contains("loop"))
self.assertFalse(self.st.contains("bobby"))示例3: first_pass
def first_pass(path):
p = Parser(path)
symbol_table = SymbolTable()
n = 0
while(p.hasMoreCommands()):
command_type = p.commandType()
if(command_type == CommandType.L):
symbol_table.add_entry(p.symbol(), n)
else:
n += 1
p.advance()
return symbol_table示例4: visit_Fundef
def visit_Fundef(self, node):
node.Functions.putNewFun(node.id, node.type)
Functions = FunctionsTable(node.Functions, "Functions")
Variables = SymbolTable(node.Variables, "Variables")
node.argList.Functions = Functions
node.argList.Variables = Variables
listOfArguments = node.argList.accept(self)
for element in listOfArguments:
if element!= None:
node.Functions.put(node.id, element[1])
if Variables.put(element[0], element[1])==-1:
self.errors.append("In line "+ str(node.lineno) + ": variable "+ element.name + " was initialized")
node.compoundInstr.Functions = Functions
node.compoundInstr.Variables = Variables
node.compoundInstr.accept(self)示例5: setUp
def setUp(self):
self.assembler = Assembler()
parser = Parser()
self.symbolTable = SymbolTable()
self.assembler.setSymbolTable(self.symbolTable)
self.assembler.setParser(parser)示例6: visit_FunDef
def visit_FunDef(self,node):
# print "visiting FunDef"
self.symbolTable = SymbolTable(self.symbolTable,node.id.value)
self.symbolTable.getParentScope().put(node.id.value,FunSymbol(node.typeOrId, node.id.value, map(lambda x: x.accept(self),node.argList.list)))
node.compoundInstr.accept(self)
self.symbolTable = self.symbolTable.getParentScope()
return node.id.value示例7: visit_ClassDef
def visit_ClassDef(self,node):
# print "visiting ClassDef"
self.symbolTable = SymbolTable(self.symbolTable if node.parentId == None else self.classTables[node.parentId.value], node.id.value)
classSymbol = ClassSymbol(node.accessmodificator, node.id.value, node.parentId if node.parentId == None else node.parentId.accept(self),node.classcontent.accept(self))
self.classTables[node.id.value]=self.symbolTable
while self.symbolTable.parent!=None:
self.symbolTable = self.symbolTable.getParentScope()
self.symbolTable.put(node.id.value,classSymbol)示例8: __init__
def __init__(self, inputFile, outputFile):
self.tokenizer = JackTokenizer(inputFile)
self.vmWriter = VMWriter(outputFile)
self.symbolTable = SymbolTable()
self.classname = ""
self.CompileClass()
self.whilecounter = 0
self.ifcounter = 0示例9: visit_Program
def visit_Program(self,node):
try:
#print "visiting Program"
self.symbolTable=SymbolTable(None,'main')
node.declarations.accept(self)
node.fundefs.accept(self)
node.instructions.accept(self)
except:
self.error("could not continue parsing, correct errors first",0)示例10: __init__
def __init__(self, tokenizer, outputFile, vmFile):
from SymbolTable import SymbolTable
from VMWriter import VMWriter
self.tokenizer = tokenizer
self.outputFile = outputFile
self.symbolTable = SymbolTable()
self.vmWriter = VMWriter(vmFile)
self.labelNum = 0
print(outputFile)示例11: __init__
def __init__(self,tokens,vmwriter):
try:
tokens[0].value
tokens[0].type
except:
sys.exit("Parser did not take in a list of tokens!")
self.tokens=tokens
self.vmwriter=vmwriter
self.symTable=SymbolTable()示例12: visit_CompoundInstruction
def visit_CompoundInstruction(self, node):
self.scope = SymbolTable(self.scope, "compound")
for declaration in node.decls:
declaration.accept(self)
for instruction in node.instrs:
instruction.accept(self)
# Get the hell out of function scope, after its done
self.scope = self.scope.parent示例13: __init__
def __init__(self, tokenizer, out_file_name):
"""
Constructor
"""
self._tokenizer = tokenizer
self._vm_writer = VMWriter(out_file_name)
self._class_name = None
self._symbol_table = SymbolTable()
self._counter = 0
self._subroutine_name = None示例14: __init__
def __init__(self, input_file, output_file):
self.jack_tokenizer = JackTokenizer(input_file)
self.symbol_table = SymbolTable()
self.writer = VMWriter(output_file)
self.class_name = ""
self.subroutine_name = ""
self.return_type = ""
self.label_counter_if = 0
self.label_counter_while = 0
self.num_args_called_function = 0
self.is_unary = False
self.dic_arithmetic = {"+" : "add" , "-" : "sub", "*" : "call Math.multiply 2",
"/" : "call Math.divide 2", "&" : "and", "|" : "or", "<" : "lt", ">" : "gt", "=" : "eq"}示例15: __init__
def __init__(self, input_file_path):
self.output_file = open(input_file_path.replace('.asm', '.hack'), 'w')
"""
The ROM address is the address of the current instruction written in the
.hack file. The first instruction is 0, second is 1, etc. Label is not a instruction.
"""
self.current_rom_address = ROM_BASE_ADRESS
self.parser = Parser(input_file_path)
self.symbol_table = SymbolTable()
"""
The RAM address of the next free memory that a new variable
should be at.
"""
self.next_free_var_address = VARIABLES_BASE_ADDRESS