Grammalecte  Check-in [4452713abf]

            else:
                for aRule in lTokenLines:
                    aRule.append(sToken)
    for aRule in lTokenLines:
        yield aRule


def createRule (iLine, sRuleName, sTokenLine, sActions, nPriority):
def createRule (iLine, sRuleName, sTokenLine, iActionBlock, sActions, nPriority):
    # print(iLine, "//", sRuleName, "//", sTokenLine, "//", sActions, "//", nPriority)
    for lToken in genTokenLines(sTokenLine):
        # Calculate positions
        dPos = {}   # key: iGroup, value: iToken
        iGroup = 0
        for i, sToken in enumerate(lToken):
            if sToken.startswith("(") and sToken.endswith(")"):
                lToken[i] = sToken[1:-1]
                iGroup += 1
                dPos[iGroup] = i + 1    # we add 1, for we count tokens from 1 to n (not from 0)

        # Parse actions
        for nAction, sAction in enumerate(sActions.split(" <<- ")):
        for iAction, sAction in enumerate(sActions.split(" <<- "), 1):
            sAction = sAction.strip()
            if sAction:
                sActionId = sRuleName + "_a" + str(nAction)
                sActionId = sRuleName + "__b" + str(iActionBlock) + "_a" + str(iAction)
                aAction = createAction(sActionId, sAction, nPriority, len(lToken), dPos)
                if aAction:
                    dACTIONS[sActionId] = aAction
                    lResult = list(lToken)
                    lResult.extend(["##"+str(iLine), sActionId])
                    yield lResult

    # removing comments, zeroing empty lines, creating definitions, storing tests, merging rule lines
    print("  parsing rules...")
    lTokenLine = []
    sActions = ""
    nPriority = 4
    dAllGraph = {}
    sGraphName = ""
    iActionBlock = 0

    for i, sLine in lRule:
        sLine = sLine.rstrip()
        if "\t" in sLine:
            # tabulation not allowed
            print("Error. Tabulation at line: ", i)
            exit()

                print("Error. Graph name not found at line", i)
                exit()
        elif sLine.startswith("__") and sLine.endswith("__"):
            # new rule group
            m = re.match("__(\\w+)(!\\d|)__", sLine)
            if m:
                sRuleName = m.group(1)
                iActionBlock = 1
                nPriority = int(m.group(2)[1:]) if m.group(2)  else 4
            else:
                print("Error at rule group: ", sLine, " -- line:", i)
                break
        elif re.match("[  ]*$", sLine):
            # empty line to end merging
            if not lTokenLine:
                continue
            if not sActions:
                print("Error. No action found at line:", i)
                exit()
            if not sGraphName:
                print("Error. All rules must belong to a named graph. Line: ", i)
                exit()
            for j, sTokenLine in lTokenLine:
                dAllGraph[sGraphName].append((j, sRuleName, sTokenLine, sActions, nPriority))
                dAllGraph[sGraphName].append((j, sRuleName, sTokenLine, iActionBlock, sActions, nPriority))
            lTokenLine.clear()
            sActions = ""
            iActionBlock += 1
        elif re.search("    +<<- ", sLine):
            # actions
            sActions += " " + sLine.strip()
        elif sLine.startswith(("    ")):
            # tokens
            lTokenLine.append([i, sLine.strip()])
        else:
            print("Unknown line:")
            print(sLine)

    # processing rules
    print("  preparing rules...")
    for sGraphName, lRuleLine in dAllGraph.items():
        lPreparedRule = []
        for i, sRuleGroup, sTokenLine, sActions, nPriority in lRuleLine:
            for lRule in createRule(i, sRuleGroup, sTokenLine, sActions, nPriority):
        for i, sRuleGroup, sTokenLine, iActionBlock, sActions, nPriority in lRuleLine:
            for lRule in createRule(i, sRuleGroup, sTokenLine, iActionBlock, sActions, nPriority):
                lPreparedRule.append(lRule)
        # Show rules
        for e in lPreparedRule:
            print(e)
        # Graph creation
        oDARG = darg.DARG(lPreparedRule, sLang)
        dAllGraph[sGraphName] = oDARG.createGraph()