def run(self):
self.SyntaxCheck()
stmt = copy.deepcopy(self.source)
self.buildDict(stmt)
count = 0
if self.optLevel == 0:
newstmt = []
newstmt = self.removeUnusedVariables(stmt)
self.buildDict(newstmt)
else:
newstmt = []
cmpstmt = copy.deepcopy(stmt)
while True:
# print cmpstmt
count += 1
newstmt = self.removeUnusedVariables(stmt)
boolval = self.listscheck(newstmt, cmpstmt)
# print boolval
if boolval == False and len(newstmt) != 0:
self.buildDict(newstmt)
cmpstmt = copy.deepcopy(newstmt)
self.removeVariables = []
else:
# print newstmt
break
if len(newstmt) > 0:
live = liveanalysis.LiveAnalysis(newstmt)
live.run()
if self.listscheck(newstmt, live.getLAStmt()) == False:
newstmt = live.getLAStmt()
self.buildDict(newstmt)
# print newstmt
# print "\nIntermediate Code:"
print live.allocReg
cgen = CGen.CodeGen(self.asmfile, live.allocReg, self.Dict, self.removeVariables)
cgen.generateIntermediateCode()
cgen.generateASM()
else:
print "\nNo code generation required.!\n"
Parser_05.run(data, copypropagation, constpropagation, loopinvariant,
commonsubexpelim)
else:
print "File: <%s> is empty.!" % (fileName)
sys.exit(-1)
## Static Semantic Analysis ##
print "Intermediate Code: ", Parser_05.intermediateCode
print copypropagation
print
# '''
# Live Analysis ##
import liveanalysis
live = liveanalysis.LiveAnalysis(Parser_05.intermediateCode,
copypropagation, constpropagation,
loopinvariant, commonsubexpelim)
live.run()
print live.allocReg
# print live.Dict
asmfile = fileName.split('.')[0] + '.asm'
removeVariables = []
# '''
## Final Code Generation ##
import CGen
cgen = CGen.CodeGen(asmfile, live.allocReg, live.stmt)
cgen.generateIntermediateCode()
cgen.generateASM()
# '''
data = readInput(fid)
## Closing the opened file descriptor ##
fid.close()
if data:
Parser.run(data)
else:
print "File: <%s> is empty.!" % (fileName)
sys.exit(-1)
## Static Semantic Analysis ##
# print "Intermediate Code: ", Parser.intermediateCode
# '''
## Live Analysis ##
import liveanalysis
live = liveanalysis.LiveAnalysis(Parser.intermediateCode)
live.run()
print live.allocReg
print live.Dict
# '''
asmfile = fileName.split('.')[0] + '.asm'
removeVariables = []
## Final Code Generation ##
import CGen
cgen = CGen.CodeGen(asmfile, live.allocReg, live.Dict, removeVariables)
cgen.generateIntermediateCode()
cgen.generateASM()
# '''