def BuildSymbolTable(self, code):
elements = []
#first pass: search for label symbols
j = 0
for i in range(len(code)):
if self.IsLabel(code[i]):
elements.append(code[i])
SymbolTable.SYMBOL_TABLE[self.IsLabel(
code[i]).group(1)] = i - j
j += 1
for i in elements:
code.remove(i)
#second pass: search for variables
for i in code:
if i[0] == "@" and not self.IsAInstruction(i):
if not SymbolTable.HasSymbol(i):
SymbolTable.VarAlloc(i)
for i in code:
if i[0] == "@":
if SymbolTable.HasSymbol(i):
code[code.index(i)] = "@" + str(
SymbolTable.SYMBOL_TABLE[i[1:]])
