Grammalecte  Diff

    return 0


def createRule (s, nIdLine, sLang, bParagraph, dOptPriority):
    "returns rule as list [option name, regex, bCaseInsensitive, identifier, list of actions]"
    global dJSREGEXES

    sLineId = f"#{nIdLine}" + ("p" if bParagraph else "s")
    sRuleId = sLineId

    #### GRAPH CALL
    if s.startswith("@@@@"):
        if bParagraph:
            print("Error. Graph call can be made only after the first pass (sentence by sentence)")
            exit()
        return ["@@@@", s[4:], sLineId]

    #### OPTIONS
    sOption = ""            # empty string or [a-z0-9]+ name
    nPriority = 4           # Default is 4, value must be between 0 and 9
    tGroups = None          # code for groups positioning (only useful for JavaScript)
    cCaseMode = 'i'         # i: case insensitive,  s: case sensitive,  u: uppercasing allowed
    cWordLimitLeft = '['    # [: word limit, <: no specific limit
    cWordLimitRight = ']'   # ]: word limit, >: no specific limit
    m = re.match("^__(?P<borders_and_case>[\\[<]\\w[\\]>])(?P<option>/[a-zA-Z0-9]+|)(?P<ruleid>\\(\\w+\\))(?P<priority>![0-9]|)__ *", s)
    if m:
        cWordLimitLeft = m.group('borders_and_case')[0]
        cCaseMode = m.group('borders_and_case')[1]
        cWordLimitRight = m.group('borders_and_case')[2]
        sOption = m.group('option')[1:]  if m.group('option')  else ""
        sRuleId =  m.group('ruleid')[1:-1]
        if sRuleId in aRULESET:
            print(f"# Error. Several rules have the same id: {sRuleId}")
            exit()
        aRULESET.add(sRuleId)
        nPriority = dOptPriority.get(sOption, 4)
        if m.group('priority'):
            nPriority = int(m.group('priority')[1:])
        s = s[m.end(0):]
    else:
        print(f"# Warning. Rule wrongly shaped at line: {sLineId}")
        exit()

    #### REGEX TRIGGER
    i = s.find(" <<-")
    if i == -1:
        print(f"# Error: no condition at line {sLineId}")
        return None
    sRegex = s[:i].strip()
    s = s[i+4:]

    # JS groups positioning codes
    m = re.search("@@\\S+", sRegex)
    if m:
        tGroups = jsconv.groupsPositioningCodeToList(sRegex[m.start()+2:])
        sRegex = sRegex[:m.start()].strip()
    # JS regex
    m = re.search("<js>.+</js>i?", sRegex)
    if m:
        dJSREGEXES[sLineId] = m.group(0)
        sRegex = sRegex[:m.start()].strip()
    if "<js>" in sRegex or "</js>" in sRegex:
        print(f"# Error: JavaScript regex not delimited at line {sLineId}")
        return None

    # quotes ?
    if sRegex.startswith('"') and sRegex.endswith('"'):
        sRegex = sRegex[1:-1]

    ## definitions
    for sDef, sRepl in dDEFINITIONS.items():
        sRegex = sRegex.replace(sDef, sRepl)

    ## count number of groups (must be done before modifying the regex)
    nGroup = countGroupInRegex(sRegex)
    if nGroup > 0:
        if not tGroups:
            print(f"# Warning: groups positioning code for JavaScript should be defined at line {sLineId}")
        else:
            if nGroup != len(tGroups):
                print(f"# Error: groups positioning code irrelevant at line {sLineId}")

    ## word limit
    if cWordLimitLeft == '[' and not sRegex.startswith(("^", '’', "'", ",")):
        sRegex = sWORDLIMITLEFT + sRegex
    if cWordLimitRight == ']' and not sRegex.endswith(("$", '’', "'", ",")):
        sRegex = sRegex + sWORDLIMITRIGHT

    ## casing mode
    if cCaseMode == "i":
        bCaseInsensitive = True
        if not sRegex.startswith("(?i)"):
            sRegex = "(?i)" + sRegex
    elif cCaseMode == "s":
        bCaseInsensitive = False
        sRegex = sRegex.replace("(?i)", "")
    elif cCaseMode == "u":
        bCaseInsensitive = False
        sRegex = sRegex.replace("(?i)", "")
        sRegex = uppercase(sRegex, sLang)
    else:
        print(f"# Unknown case mode [{cCaseMode}] at line {sLineId}")

    ## check regex
    try:
        re.compile(sRegex)
    except re.error:
        print(f"# Regex error at line {sLineId}")
        print(sRegex)
        return None
    ## groups in non grouping parenthesis
    for _ in re.finditer(r"\(\?:[^)]*\([\[\w -]", sRegex):
        print(f"# Warning: groups inside non grouping parenthesis in regex at line {sLineId}")

    #### PARSE ACTIONS
    lActions = []
    nAction = 1
    for sAction in s.split(" <<- "):
        t = createAction(sRuleId + "_" + str(nAction), sAction, nGroup)
        nAction += 1
        if t:
            lActions.append(t)
    if not lActions:
        return None

    return [sOption, sRegex, bCaseInsensitive, sLineId, sRuleId, nPriority, lActions, tGroups]


def checkReferenceNumbers (sText, sActionId, nToken):
    "check if token references in <sText> greater than <nToken> (debugging)"
    for x in re.finditer(r"\\(\d+)", sText):
        if int(x.group(1)) > nToken:
            print(f"# Error in token index at line {sActionId} ({nToken} tokens only)")
            print(sText)


def checkIfThereIsCode (sText, sActionId):
    "check if there is code in <sText> (debugging)"
    if re.search("[.]\\w+[(]|sugg\\w+[(]|\\([0-9]|\\[[0-9]", sText):
        print(f"# Warning at line {sActionId}:  This message looks like code. Line should probably begin with =")
        print(sText)


def createAction (sIdAction, sAction, nGroup):
    "returns an action to perform as a tuple (condition, action type, action[, iGroup [, message, URL ]])"
    m = re.search(r"([-~=>])(\d*|)>>", sAction)
    if not m:
        print(f"# No action at line {sIdAction}")
        return None

    #### CONDITION
    sCondition = sAction[:m.start()].strip()
    if sCondition:
        sCondition = prepareFunction(sCondition)
        lFUNCTIONS.append(("_c_"+sIdAction, sCondition))
        checkReferenceNumbers(sCondition, sIdAction, nGroup)
        if ".match" in sCondition:
            print("# Error. JS compatibility. Don't use .match() in condition, use .search()")
        sCondition = "_c_"+sIdAction
    else:
        sCondition = None

    #### iGroup / positioning
    iGroup = int(m.group(2)) if m.group(2) else 0
    if iGroup > nGroup:
        print(f"# Selected group > group number in regex at line {sIdAction}")

    #### ACTION
    sAction = sAction[m.end():].strip()
    cAction = m.group(1)
    if cAction == "-":
        ## error
        iMsg = sAction.find(" && ")
        if iMsg == -1:
            sMsg = "# Error. Error message not found."
            sURL = ""
            print(f"# No message. Action id: {sIdAction}")
        else:
            sMsg = sAction[iMsg+4:].strip()
            sAction = sAction[:iMsg].strip()
            sURL = ""
            mURL = re.search("[|] *(https?://.*)", sMsg)
            if mURL:
                sURL = mURL.group(1).strip()
                sMsg = sMsg[:mURL.start(0)].strip()
            checkReferenceNumbers(sMsg, sIdAction, nGroup)

        checkIfThereIsCode(sAction, sIdAction)

    if cAction == ">":
        ## no action, break loop if condition is False
        return [sCondition, cAction, ""]

    if not sAction:
        print(f"# Error in action at line {sIdAction}:  This action is empty.")
        return None

    if cAction == "-":
        ## error detected --> suggestion
        if sAction[0:1] == "=":
            lFUNCTIONS.append(("_s_"+sIdAction, sAction[1:]))
            sAction = "=_s_"+sIdAction
        elif sAction.startswith('"') and sAction.endswith('"'):
            sAction = sAction[1:-1]
        if not sMsg:
            print(f"# Error in action at line {sIdAction}:  the message is empty.")
        return [sCondition, cAction, sAction, iGroup, sMsg, sURL]
    if cAction == "~":
        ## text processor
        if sAction[0:1] == "=":
            lFUNCTIONS.append(("_p_"+sIdAction, sAction[1:]))
            sAction = "=_p_"+sIdAction
        elif sAction.startswith('"') and sAction.endswith('"'):
            sAction = sAction[1:-1]
        return [sCondition, cAction, sAction, iGroup]
    if cAction == "=":
        ## disambiguator
        if sAction[0:1] == "=":
            sAction = sAction[1:]
        if "define" in sAction and not re.search(r"define\(dTokenPos, *m\.start.*, \[.*\] *\)", sAction):
            print(f"# Error in action at line {sIdAction}: second argument for define must be a list of strings")
            print(sAction)
        lFUNCTIONS.append(("_d_"+sIdAction, sAction))
        sAction = "_d_"+sIdAction
        return [sCondition, cAction, sAction]
    print(f"# Unknown action at line {sIdAction}")
    return None


def _calcRulesStats (lRules):
    "count rules and actions"
    d = {'=':0, '~': 0, '-': 0, '>': 0}
    for aRule in lRules:
        if aRule[0] != "@@@@":
            for aAction in aRule[6]:
                d[aAction[1]] = d[aAction[1]] + 1
    return (d, len(lRules))


def displayStats (lParagraphRules, lSentenceRules):
    "display rules numbers"
    print("               {:>18} {:>18} {:>18} {:>18}".format("DISAMBIGUATOR", "TEXT PROCESSOR", "GRAMMAR CHECKING", "REGEX"))
    d, nRule = _calcRulesStats(lParagraphRules)
    print("    paragraph: {:>10} actions {:>10} actions {:>10} actions  in {:>8} rules".format(d['='], d['~'], d['-'], nRule))
    d, nRule = _calcRulesStats(lSentenceRules)
    print("    sentence:  {:>10} actions {:>10} actions {:>10} actions  in {:>8} rules".format(d['='], d['~'], d['-'], nRule))


def mergeRulesByOption (lRules):
    "returns a list of tuples [option, list of rules] keeping the rules order"
    lFinal = []
    lTemp = []
    sOption = None
    for aRule in lRules:
        if aRule[0] != sOption:
            if sOption is not None:
                lFinal.append([sOption, lTemp])
            # new tuple
            sOption = aRule[0]
            lTemp = []
        lTemp.append(aRule[1:])
    lFinal.append([sOption, lTemp])
    return lFinal


def createRulesAsString (lRules):
    "create rules as a string of arrays (to be bundled in a JSON string)"
    sArray = "[\n"
    for sOption, aRuleGroup in lRules:
        sArray += f'  ["{sOption}", [\n'
        for aRule in aRuleGroup:
            sArray += f'    {aRule},\n'
        sArray += "  ]],\n"
    sArray += "]"
    return sArray


def prepareOptions (lOptionLines):
    "returns a dictionary with data about options"
    sLang = ""
    sDefaultUILang = ""
    lStructOpt = []
    lOpt = []

def printBookmark (nLevel, sComment, nLine):
    "print bookmark within the rules file"
    print("  {:>6}:  {}".format(nLine, "  " * nLevel + sComment))


def make (spLang, sLang, bUseCache=None):
    "compile rules, returns a dictionary of values"
    # for clarity purpose, don’t create any file here (except cache)

    dCacheVars = None

    if os.path.isfile("_build/data_cache.json"):
        print("> data cache found")
        sJSON = open("_build/data_cache.json", "r", encoding="utf-8").read()
        dCacheVars = json.loads(sJSON)
        sBuildDate = time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime(dCacheVars.get("fBuildTime", 0)))
        if bUseCache:
            print("> use cache (no rebuild asked)")
            print("  build made at: " + sBuildDate)
            return dCacheVars

    print("> read rules file...")
    try:
        sFileContent = open(spLang + "/rules.grx", 'r', encoding="utf-8").read()
    except OSError:
        print(f"# Error. Rules file in project <{sLang}> not found.")
        exit()

    # calculate hash of loaded file
    xHasher = hashlib.new("sha3_512")
    xHasher.update(sFileContent.encode("utf-8"))
    sFileHash = xHasher.hexdigest()

    if dCacheVars and bUseCache != False and sFileHash == dCacheVars.get("sFileHash", ""):
        # if <bUseCache> is None or True, we can use the cache
        print("> cache hash identical to file hash, use cache")
        print("  build made at: " + sBuildDate)
        return dCacheVars

    # removing comments, zeroing empty lines, creating definitions, storing tests, merging rule lines
    print("  parsing rules...")
    fBuildTime = time.time()
    lRuleLine = []
    lTest = []
    lOpt = []
    bGraph = False
    lGraphRule = []

    for i, sLine in enumerate(sFileContent.split("\n"), 1):
        if sLine.startswith('#END'):
            # arbitrary end
            printBookmark(0, "BREAK BY #END", i)
            break
        elif sLine.startswith(("#", "    ##")):
            # comment
            pass
        elif sLine.startswith("DEF:"):
            # definition
            m = re.match("DEF: +([a-zA-Z_][a-zA-Z_0-9]*) +(.+)$", sLine.strip())
            if m:
                dDEFINITIONS["{"+m.group(1)+"}"] = m.group(2)
            else:
                print("# Error in definition: ", end="")
                print(sLine.strip())
        elif sLine.startswith("DECL:"):
            # declensions
            m = re.match(r"DECL: +(\+\w+) (.+)$", sLine.strip())
            if m:
                dDECLENSIONS[m.group(1)] = m.group(2).strip().split()
            else:

        elif sFuncName.startswith("_s_"): # suggestion
            sParams = "sSentence, m"
        elif sFuncName.startswith("_p_"): # preprocessor
            sParams = "sSentence, m"
        elif sFuncName.startswith("_d_"): # disambiguator
            sParams = "sSentence, m, dTokenPos"
        else:
            print(f"# Unknown function type in <{sFuncName}>")
            continue
        # Python
        sPyCallables += f"def {sFuncName} ({sParams}):\n"
        sPyCallables += f"    return {sReturn}\n"
        # JavaScript
        sJSCallables += f"    {sFuncName}: function ({sParams}) {{\n"
        sJSCallables += "        return " + jsconv.py2js(sReturn) + ";\n"
        sJSCallables += "    },\n"

    displayStats(lParagraphRules, lSentenceRules)

    dVars = {
        "fBuildTime": fBuildTime,
        "sFileHash": sFileHash,
        "callables": sPyCallables,
        "callablesJS": sJSCallables,
        "gctests": sGCTests,
        "gctestsJS": sGCTestsJS,
        "paragraph_rules": createRulesAsString(mergeRulesByOption(lParagraphRules)),
        "sentence_rules": createRulesAsString(mergeRulesByOption(lSentenceRules)),
        "paragraph_rules_JS": jsconv.writeRulesToJSArray(mergeRulesByOption(lParagraphRulesJS)),
        "sentence_rules_JS": jsconv.writeRulesToJSArray(mergeRulesByOption(lSentenceRulesJS))
    }
    dVars.update(dOptions)

    # compile graph rules
    dVars2 = crg.make(lGraphRule, sLang, dDEFINITIONS, dDECLENSIONS, dOptPriority)
    dVars.update(dVars2)

    with open("_build/data_cache.json", "w", encoding="utf-8") as hDst:
        hDst.write(json.dumps(dVars, ensure_ascii=False))
    return dVars