128 lines
4.0 KiB
Python
128 lines
4.0 KiB
Python
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#!/usr/bin/python
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import re
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import glob
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def compileCmd(tok):
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if tok == '%any%':
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return 'true'
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elif tok == '%bool%':
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return 'tok->isBoolean()'
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elif tok == '%char%':
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return '(tok->type()==Token::eChar)'
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elif tok == '%comp%':
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return 'tok->isComparisonOp()'
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elif tok == '%num%':
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return 'tok->isNumber()'
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elif tok == '%op%':
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return 'tok->isOp()'
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elif tok == '%or%':
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return '(tok->str()=="|")'
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elif tok == '%oror%':
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return '(tok->str()=="||")'
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elif tok == '%num%':
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return 'tok->isNumber()'
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elif tok == '%str%':
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return '(tok->type()==Token::eString)'
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elif tok == '%type%':
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return '(tok->isName() && tok->varId()==0U && tok->str() != "delete")'
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elif tok == '%var%':
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return 'tok->isName()'
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elif (len(tok)>2) and (tok[0]=="%"):
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print "unhandled:" + tok
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return '(tok->str()=="'+tok+'")'
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def compilePattern(pattern, nr):
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ret = '// ' + pattern + '\n'
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ret = ret + 'static bool match' + str(nr) + '(const Token *tok) {\n'
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tokens = pattern.split(' ')
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gotoNextToken = ''
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for tok in tokens:
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if tok == '':
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continue
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ret = ret + gotoNextToken
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gotoNextToken = ' tok = tok->next();\n'
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# [abc]
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if (len(tok) > 2) and (tok[0] == '[') and (tok[-1] == ']'):
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ret = ret + ' if (!tok || tok->str().size()!=1U || !strchr("'+tok[1:-1]+'", tok->str()[0]))\n'
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ret = ret + ' return false;\n'
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# a|b|c
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elif tok.find('|') > 0:
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tokens2 = tok.split('|')
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logicalOp = None
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neg = None
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if "" in tokens2:
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ret = ret + ' if (tok && ('
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logicalOp = ' || '
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neg = ''
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else:
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ret = ret + ' if (!tok || !('
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logicalOp = ' || '
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neg = ''
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first = True
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for tok2 in tokens2:
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if tok2 == '':
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continue
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if not first:
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ret = ret + logicalOp
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first = False
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ret = ret + neg + compileCmd(tok2)
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if "" in tokens2:
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ret = ret + '))\n'
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ret = ret + ' tok = tok->next();\n'
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gotoNextToken = ''
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else:
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ret = ret + '))\n'
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ret = ret + ' return false;\n'
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# !!a
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elif tok[0:2]=="!!":
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ret = ret + ' if (tok && tok->str() == "' + tok[2:] + '")\n'
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ret = ret + ' return false;\n'
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gotoNextToken = ' tok = tok ? tok->next() : NULL;\n'
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else:
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ret = ret + ' if (!tok || !' + compileCmd(tok) + ')\n'
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ret = ret + ' return false;\n'
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ret = ret + ' return true;\n}\n'
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return ret
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def convertFile(srcname, destname):
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fin = open(srcname, "rt")
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srclines = fin.readlines()
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fin.close()
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matchfunctions = ''
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matchfunctions = matchfunctions + '#include "token.h"\n'
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matchfunctions = matchfunctions + '#include <string>\n'
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matchfunctions = matchfunctions + '#include <cstring>\n'
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code = ''
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patternNumber = 1
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for line in srclines:
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res = re.search(r'Token::Match[(]([^(,]+),\s*"([^"]+)"[)]', line)
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if res == None:
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res = re.search(r'Token::simpleMatch[(]([^(,]+),\s*"([^"]+)"[)]', line)
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if res == None: # or patternNumber > 68:
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code = code + line
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else:
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g0 = res.group(0)
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pos1 = line.find(g0)
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code = code + line[:pos1]+'match'+str(patternNumber)+'('+res.group(1)+')'+line[pos1+len(g0):]
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matchfunctions = matchfunctions + compilePattern(res.group(2), patternNumber)
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patternNumber = patternNumber + 1
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fout = open(destname, 'wt')
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fout.write(matchfunctions+code)
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fout.close()
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for f in glob.glob('lib/*.cpp'):
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print f + ' => build/' + f[4:]
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convertFile(f, 'build/'+f[4:])
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