Remove old code

master
Nemo 2 years ago
parent 02cb984fec
commit 812c76e09a
  1. 120
      compiler/compilation.py

@ -1,120 +0,0 @@
from grammar import GRAMMAR
class CompilationEngine:
def xml_file(self, input_file):
return input_file + ".xml"
""" Calling keyword does an implicit assert """
def k(self):
assert(self.jt.tokenType() == Token.KEYWORD)
return CompilationEngine.KEYWORD_MAP[self.jt.current_token()]
def v(self):
assert(self.type() == Token.SYMBOL or self.type() == Token.IDENTIFIER)
return self.jt.current_token()
""" Opens one of the heirarchial tags """
def open(self, tag):
self.file.write((self.i * " ") + "<%s>" % tag)
self.i+=2
""" Closes a tag """
def close(self, tag):
self.file.write((self.i * " ") + "<%s>" % tag)
self.i-=2
""" Advances the Tokenizer and prints a debug statement"""
def advance(self):
old = self.jt.current_token()
self.jt.advance()
print("Advanced from {old} to {t} {new}".format(t=self.type(),old=old, new=self.jt.current_token()))
def type(self):
return self.jt.tokenType()
def s(self):
return CompilationEngine.SYMBOL_MAP[self.jt.symbol()]
def CompileClass(self):
self.open("class")
self.do_the_thing(Keyword.CLASS, Token.IDENTIFIER, Symbol.BRACE_OPEN)
while(not (self.type() == Token.SYMBOL and self.v() == '}' )):
if (self.k() in [Keyword.STATIC, Keyword.FIELD]):
self.CompileClassVarDec()
elif(self.k() in [Keyword.CONSTRUCTOR, Keyword.FUNCTION, Keyword.METHOD]):
self.CompuleSubroutine()
else:
raise RuntimeError("Invalid Token")
assert(self.type() == Token.SYMBOL and self.v() == '}')
self.close("class")
def we_need_a_type(self):
if (self.type() == Token.Keyword):
self.do_the_thing(Keyword.INT | Keyword.CHAR | Keyword.BOOLEAN)
else:
self.do_the_thing(Token.IDENTIFIER)
def CompileClassVarDec(self):
self.open('classVarDec')
self.do_the_thing(Keyword.STATIC | Keyword.FIELD)
self.we_need_a_type()
self.do_the_thing(Token.IDENTIFIER, [SYMBOL.PARAN_OPEN, Token.IDENTIFIER])
self.close('classVarDec')
self.advance()
""" Writes a single line(with \n) on the XML, taking into account the indentation """
def write(self, klass, subklass = None):
assert(klass == self.type())
if (klass == Token.SYMBOL):
assert(subklass == self.s())
elif(klass == Token.KEYWORD):
assert(subklass & self.k())
elif(subklass == Token.INTEGERCONSTANT):
self.jt.intVal()
self.file.write((self.i * " ") + self.jt.xml_row())
def matches(self, T):
return (isinstance(T, Symbol) and T == self.s()) or (isinstance(T, Keyword) and T & self.k()) or T==Token.INTEGERCONSTANT or T==Token.STRINGCONSTANT
def do_the_thing(self,*args):
for T in args:
# We use a list for *, which is zero or more times
if isinstance(T, list):
# LL(0) for now
if
if isinstance(T, Symbol):
self.write(Token.SYMBOL, T)
elif isinstance(T, Keyword):
self.write(Token.KEYWORD, T)
else:
assert(self.type() in [Token.IDENTIFIER, Token.INTEGERCONSTANT, Token.STRINGCONSTANT])
self.write(T)
self.advance()
def CompileSubroutine(self):
self.open('subroutineDec')
self.write()
pass
def CompuleParameterList(self):
pass
def CompileVarDec(self):
pass
def CompileStatements(self):
pass
def CompileDo(self):
pass
def CompileLet(self):
pass
def CompileWhile(self):
pass
def CompileReturn(self):
pass
def CompileIf(self):
pass
def CompileTerm(self):
pass
def __init__(self, input_file):
self.i = 0
self.jt = JackTokenizer(input_file, False)
self.file = open(self.xml_file(input_file), 'w')
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