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MC: Split convertFile() function into smaller pieces 

Output of build/ stayed the same.
This commit is contained in:
Thomas Jarosch 2012-12-31 15:30:27 +01:00
parent 311630ac1c
commit 62b05193c4
1 changed files with 65 additions and 50 deletions
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115
tools/matchcompiler.py
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@ -164,6 +164,60 @@ def parseStringComparison(line, pos1):
return None
def replaceTokenMatch(matchFunctions, matchStrs, line):
while True:
pos1 = line.find('Token::Match(')
if pos1 == -1:
pos1 = line.find('Token::simpleMatch(')
if pos1 == -1:
break
res = parseMatch(line, pos1)
if res == None:
break
else:
assert(len(res)==3 or len(res)==4) # assert that Token::Match has either 2 or 3 arguments
g0 = res[0]
arg1 = res[1]
arg2 = res[2]
arg3 = None
if len(res) == 4:
arg3 = res[3]
res = re.match(r'\s*"([^"]*)"\s*$', arg2)
if res == None:
break # Non-const pattern - bailout
else:
arg2 = res.group(1)
a3 = ''
if arg3:
a3 = ',' + arg3
patternNumber = len(matchFunctions) + 1
line = line[:pos1]+'match'+str(patternNumber)+'('+arg1+a3+')'+line[pos1+len(g0):]
matchFunctions.append(compilePattern(matchStrs, arg2, patternNumber, arg3))
return line
def replaceCStrings(matchStrs, line):
while True:
match = re.search('str\(\) (==|!=) "', line)
if not match:
match = re.search('strAt\(.+?\) (==|!=) "', line)
if not match:
break
res = parseStringComparison(line, match.start())
if res == None:
break
startPos = res[0]
endPos = res[1]
text = line[startPos+1:endPos-1]
line = line[:startPos] + insertMatchStr(matchStrs, text) + line[endPos:]
return line
def convertFile(srcname, destname):
fin = open(srcname, "rt")
srclines = fin.readlines()
@ -173,60 +227,16 @@ def convertFile(srcname, destname):
header += '#include "errorlogger.h"\n'
header += '#include <string>\n'
header += '#include <cstring>\n'
matchfunctions = ''
matchFunctions = []
code = ''
matchStrs = {}
patternNumber = 1
for line in srclines:
while True:
pos1 = line.find('Token::Match(')
if pos1 == -1:
pos1 = line.find('Token::simpleMatch(')
if pos1 == -1:
break
# Compile Token::Match and Token::simpleMatch
line = replaceTokenMatch(matchFunctions, matchStrs, line)
res = parseMatch(line, pos1)
if res == None:
break
else:
assert(len(res)==3 or len(res)==4) # assert that Token::Match has either 2 or 3 arguments
g0 = res[0]
arg1 = res[1]
arg2 = res[2]
arg3 = None
if len(res) == 4:
arg3 = res[3]
res = re.match(r'\s*"([^"]*)"\s*$', arg2)
if res == None:
break # Non-const pattern - bailout
else:
arg2 = res.group(1)
a3 = ''
if arg3:
a3 = ',' + arg3
line = line[:pos1]+'match'+str(patternNumber)+'('+arg1+a3+')'+line[pos1+len(g0):]
matchfunctions += compilePattern(matchStrs, arg2, patternNumber, arg3)
patternNumber += 1
# Replace plain old C-string comparison with C++ strings
while True:
match = re.search('str\(\) (==|!=) "', line)
if not match:
match = re.search('strAt\(.+?\) (==|!=) "', line)
if not match:
break
res = parseStringComparison(line, match.start())
if res == None:
break
startPos = res[0]
endPos = res[1]
text = line[startPos+1:endPos-1]
line = line[:startPos] + insertMatchStr(matchStrs, text) + line[endPos:]
# Cache plain C-strings in C++ strings
line = replaceCStrings(matchStrs, line)
code += line
@ -235,8 +245,13 @@ def convertFile(srcname, destname):
for match in sorted(matchStrs, key=matchStrs.get):
stringList += 'static const std::string matchStr' + str(matchStrs[match]) + '("' + match + '");\n'
# Compute matchFunctions
strFunctions = ''
for function in matchFunctions:
strFunctions += function;
fout = open(destname, 'wt')
fout.write(header+stringList+matchfunctions+code)
fout.write(header+stringList+strFunctions+code)
fout.close()
# selftests..