Grammalecte  Check-in [7595474b17]

Overview
Comment:[build] compile_rules: separate js conversion from main code
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk | build
Files: files | file ages | folders
SHA3-256: 7595474b17124dbfeb86f2fb545453ce9a9f938dbbad0bf33727e3160e947d32
User & Date: olr on 2017-09-04 10:05:47
Other Links: manifest | tags
Context
2017-09-05
08:32
[fx] WebExt: wrap only the bottom of textarea (unsatifying but good enough for now) check-in: 5c343989d1 user: olr tags: fx, trunk
2017-09-04
10:05
[build] compile_rules: separate js conversion from main code check-in: 7595474b17 user: olr tags: build, trunk
08:36
[fx] WebExt: wrapper CSS adjustements check-in: f3d67f776e user: olr tags: fx, trunk
Changes

Modified compile_rules.py from [b5c896415e] to [7fa2e820bf].

1
2
3
4
5
6
7


8
9
10
11
12
13
14
..
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
...
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
...
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
...
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
...
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688

import re
import sys
import traceback
import copy
import json
from distutils import file_util




dDEF = {}
lFUNCTIONS = []

aRULESET = set()     # set of rule-ids to check if there is several rules with the same id
nRULEWITHOUTNAME = 0
................................................................................
    s = re.sub(r"isEndOfNG\(\s*\)", 'isEndOfNG(dDA, s[m.end():], m.end())', s)              # isEndOfNG(s)
    s = re.sub(r"isNextNotCOD\(\s*\)", 'isNextNotCOD(dDA, s[m.end():], m.end())', s)        # isNextNotCOD(s)
    s = re.sub(r"isNextVerb\(\s*\)", 'isNextVerb(dDA, s[m.end():], m.end())', s)            # isNextVerb(s)
    s = re.sub(r"\bspell *[(]", '_oDict.isValid(', s)
    s = re.sub(r"[\\](\d+)", 'm.group(\\1)', s)
    return s


def py2js (sCode):
    "convert Python code to JavaScript code"
    # Python 2.x unicode strings
    sCode = re.sub('\\b[ur]"', '"', sCode)
    sCode = re.sub("\\b[ur]'", "'", sCode)
    # operators
    sCode = sCode.replace(" and ", " && ")
    sCode = sCode.replace(" or ", " || ")
    sCode = re.sub("\\bnot\\b", "!", sCode)
    sCode = re.sub("(.+) if (.+) else (.+)", "(\\2) ? \\1 : \\3", sCode)
    # boolean
    sCode = sCode.replace("False", "false")
    sCode = sCode.replace("True", "true")
    sCode = sCode.replace("bool", "Boolean")
    # methods
    sCode = sCode.replace(".__len__()", ".length")
    sCode = sCode.replace(".endswith", ".endsWith")
    sCode = sCode.replace(".find", ".indexOf")
    sCode = sCode.replace(".startswith", ".startsWith")
    sCode = sCode.replace(".lower", ".toLowerCase")
    sCode = sCode.replace(".upper", ".toUpperCase")
    sCode = sCode.replace(".isdigit", ".gl_isDigit")
    sCode = sCode.replace(".isupper", ".gl_isUpperCase")
    sCode = sCode.replace(".islower", ".gl_isLowerCase")
    sCode = sCode.replace(".istitle", ".gl_isTitle")
    sCode = sCode.replace(".capitalize", ".gl_toCapitalize")
    sCode = sCode.replace(".strip", ".gl_trim")
    sCode = sCode.replace(".lstrip", ".gl_trimLeft")
    sCode = sCode.replace(".rstrip", ".gl_trimRight")
    sCode = sCode.replace('.replace("."', ".replace(/\./g")
    sCode = sCode.replace('.replace("..."', ".replace(/\.\.\./g")
    sCode = re.sub('.replace\("([^"]+)" ?,', ".replace(/\\1/g,", sCode)
    # regex
    sCode = re.sub('re.search\("([^"]+)", *(m.group\(\\d\))\)', "(\\2.search(/\\1/) >= 0)", sCode)
    sCode = re.sub(".search\\(/\\(\\?i\\)([^/]+)/\\) >= 0\\)", ".search(/\\1/i) >= 0)", sCode)
    sCode = re.sub('(look\\(sx?[][.a-z:()]*), "\\(\\?i\\)([^"]+)"', "\\1, /\\2/i", sCode)
    sCode = re.sub('(look\\(sx?[][.a-z:()]*), "([^"]+)"', "\\1, /\\2/", sCode)
    sCode = re.sub('(look_chk1\\(dDA, sx?[][.a-z:()]*, [0-9a-z.()]+), "\\(\\?i\\)([^"]+)"', "\\1, /\\2/i", sCode)
    sCode = re.sub('(look_chk1\\(dDA, sx?[][.a-z:()]*, [0-9a-z.()]+), "([^"]+)"', "\\1, /\\2/i", sCode)
    sCode = sCode.replace("(?<!-)", "")  # todo
    # slices
    sCode = sCode.replace("[:m.start()]", ".slice(0,m.index)")
    sCode = sCode.replace("[m.end():]", ".slice(m.end[0])")
    sCode = sCode.replace("[m.start():m.end()]", ".slice(m.index, m.end[0])")
    sCode = re.sub("\\[(-?\\d+):(-?\\d+)\\]", ".slice(\\1,\\2)", sCode)
    sCode = re.sub("\\[(-?\\d+):\\]", ".slice(\\1)", sCode)
    sCode = re.sub("\\[:(-?\\d+)\\]", ".slice(0,\\1)", sCode)
    # regex matches
    sCode = sCode.replace(".end()", ".end[0]")
    sCode = sCode.replace(".start()", ".index")
    sCode = sCode.replace("m.group()", "m[0]")
    sCode = re.sub("\\.start\\((\\d+)\\)", ".start[\\1]", sCode)
    sCode = re.sub("m\\.group\\((\\d+)\\)", "m[\\1]", sCode)
    # tuples -> lists
    sCode = re.sub("\((m\.start\[\\d+\], m\[\\d+\])\)", "[\\1]", sCode)
    # regex
    sCode = sCode.replace("\w[\w-]+", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st][a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st-]+")
    sCode = sCode.replace(r"/\w/", "/[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st]/")
    sCode = sCode.replace(r"[\w-]", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st-]")
    sCode = sCode.replace(r"[\w,]", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st,]")
    return sCode


def uppercase (s, sLang):
    "(flag i is not enough): converts regex to uppercase regex: 'foo' becomes '[Ff][Oo][Oo]', but 'Bar' becomes 'B[Aa][Rr]'."
    sUp = ""
    nState = 0
    for i in range(0, len(s)):
        c = s[i]
................................................................................
        return None
    sRegex = s[:i].strip()
    s = s[i+4:]
    
    # JS groups positioning codes
    m = re.search("@@\\S+", sRegex)
    if m:
        tGroups = 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:
................................................................................
    elif cAction == ">":
        ## no action, break loop if condition is False
        return [sCondition, cAction, ""]
    else:
        print("# Unknown action at line " + sIdAction)
        return None


def regex2js (sRegex):
    "converts Python regex to JS regex and returns JS regex and list of negative lookbefore assertions"
    #   Latin letters: http://unicode-table.com/fr/
    #   0-9  and  _
    #   A-Z
    #   a-z
    #   À-Ö     00C0-00D6   (upper case)
    #   Ø-ß     00D8-00DF   (upper case)
    #   à-ö     00E0-00F6   (lower case)
    #   ø-ÿ     00F8-00FF   (lower case)
    #   Ā-ʯ     0100-02AF   (mixed)
    #   -> a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯ
    bCaseInsensitive = False
    if "(?i)" in sRegex:
        sRegex = sRegex.replace("(?i)", "")
        bCaseInsensitive = True
    lNegLookBeforeRegex = []
    if sWORDLIMITLEFT in sRegex:
        sRegex = sRegex.replace(sWORDLIMITLEFT, "")
        lNegLookBeforeRegex = ["[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯ.,–-]$"]
    sRegex = sRegex.replace("[\\w", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯ")
    sRegex = sRegex.replace("\\w", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯ]")
    sRegex = sRegex.replace("[.]", r"\.")
    if not sRegex.startswith("<js>"):
        sRegex = sRegex.replace("/", r"\/")
    m = re.search(r"\(\?<!([^()]+)\)", sRegex)  # Negative lookbefore assertion should always be at the beginning of regex
    if m:
        lNegLookBeforeRegex.append(m.group(1)+"$")
        sRegex = sRegex.replace(m.group(0), "")
    if "(?<" in sRegex:
        print("# Warning. Lookbefore assertion not changed in:\n  ")
        print(sRegex)
    if sRegex.startswith("<js>"):
        sRegex = sRegex.replace('<js>', '/').replace('</js>i', '/ig').replace('</js>', '/g')
    else:
        sRegex = "/" + sRegex + "/g"
    if bCaseInsensitive and not sRegex.endswith("/ig"):
        sRegex = sRegex + "i"
    if not lNegLookBeforeRegex:
        lNegLookBeforeRegex = None
    return (sRegex, lNegLookBeforeRegex)


def pyRuleToJS (lRule):
    lRuleJS = copy.deepcopy(lRule)
    del lRule[-1] # tGroups positioning codes are useless for Python
    # error messages
    for aAction in lRuleJS[6]:
        if aAction[1] == "-":
            aAction[2] = aAction[2].replace(" ", " ") # nbsp --> nnbsp
            aAction[4] = aAction[4].replace("« ", "« ").replace(" »", " »").replace(" :", " :").replace(" :", " :")
    # js regexes
    lRuleJS[1], lNegLookBehindRegex = regex2js( dJSREGEXES.get(lRuleJS[3], lRuleJS[1]) )
    lRuleJS.append(lNegLookBehindRegex)
    return lRuleJS


def writeRulesToJSArray (lRules):
    sArray = "[\n"
    for sOption, aRuleGroup in lRules:
        sArray += '  ["' + sOption + '", [\n'  if sOption  else  "  [false, [\n"
        for sRegex, bCaseInsensitive, sLineId, sRuleId, nPriority, lActions, aGroups, aNegLookBehindRegex in aRuleGroup:
            sArray += '    [' + sRegex + ", "
            sArray += "true, " if bCaseInsensitive  else "false, "
            sArray += '"' + sLineId + '", '
            sArray += '"' + sRuleId + '", '
            sArray += str(nPriority) + ", "
            sArray += json.dumps(lActions, ensure_ascii=False) + ", "
            sArray += json.dumps(aGroups, ensure_ascii=False) + ", "
            sArray += json.dumps(aNegLookBehindRegex, ensure_ascii=False) + "],\n"
        sArray += "  ]],\n"
    sArray += "]"
    return sArray


def groupsPositioningCodeToList (sGroupsPositioningCode):
    if not sGroupsPositioningCode:
        return None
    return [ int(sCode)  if sCode.isdigit() or (sCode[0:1] == "-" and sCode[1:].isdigit())  else sCode \
             for sCode in sGroupsPositioningCode.split(",") ]


def _calcRulesStats (lRules):
    d = {'=':0, '~': 0, '-': 0, '>': 0}
    for aRule in lRules:
        for aAction in aRule[6]:
            d[aAction[1]] = d[aAction[1]] + 1
    return (d, len(lRules))
................................................................................
            if sLine == "[++]":
                bParagraph = False
            else:
                aRule = createRule(sLine, nLine, sLang, bParagraph, dOptPriority)
                if aRule:
                    if bParagraph:
                        lParagraphRules.append(aRule)
                        lParagraphRulesJS.append(pyRuleToJS(aRule))
                    else:
                        lSentenceRules.append(aRule)
                        lSentenceRulesJS.append(pyRuleToJS(aRule))

    # creating file with all functions callable by rules
    print("  creating callables...")
    sPyCallables = "# generated code, do not edit\n"
    sJSCallables = "// generated code, do not edit\nconst oEvalFunc = {\n"
    for sFuncName, sReturn in lFUNCTIONS:
        cType = sFuncName[0:1]
................................................................................
            sParams = "s, m, dDA"
        else:
            print("# Unknown function type in [" + sFuncName + "]")
            continue
        sPyCallables += "def {} ({}):\n".format(sFuncName, sParams)
        sPyCallables += "    return " + sReturn + "\n"
        sJSCallables += "    {}: function ({})".format(sFuncName, sParams) + " {\n"
        sJSCallables += "        return " + py2js(sReturn) + ";\n"
        sJSCallables += "    },\n"
    sJSCallables += "}\n"

    displayStats(lParagraphRules, lSentenceRules)

    print("Unnamed rules: " + str(nRULEWITHOUTNAME))

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

    return d




<


>
>







 







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







 







|







 







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







 







|


|







 







|













|
|



1
2
3
4

5
6
7
8
9
10
11
12
13
14
15
..
56
57
58
59
60
61
62































































63
64
65
66
67
68
69
...
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
...
339
340
341
342
343
344
345


















































































346
347
348
349
350
351
352
...
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
...
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544

import re
import sys
import traceback

import json
from distutils import file_util

import compile_rules_js_convert as jsconv


dDEF = {}
lFUNCTIONS = []

aRULESET = set()     # set of rule-ids to check if there is several rules with the same id
nRULEWITHOUTNAME = 0
................................................................................
    s = re.sub(r"isEndOfNG\(\s*\)", 'isEndOfNG(dDA, s[m.end():], m.end())', s)              # isEndOfNG(s)
    s = re.sub(r"isNextNotCOD\(\s*\)", 'isNextNotCOD(dDA, s[m.end():], m.end())', s)        # isNextNotCOD(s)
    s = re.sub(r"isNextVerb\(\s*\)", 'isNextVerb(dDA, s[m.end():], m.end())', s)            # isNextVerb(s)
    s = re.sub(r"\bspell *[(]", '_oDict.isValid(', s)
    s = re.sub(r"[\\](\d+)", 'm.group(\\1)', s)
    return s

































































def uppercase (s, sLang):
    "(flag i is not enough): converts regex to uppercase regex: 'foo' becomes '[Ff][Oo][Oo]', but 'Bar' becomes 'B[Aa][Rr]'."
    sUp = ""
    nState = 0
    for i in range(0, len(s)):
        c = s[i]
................................................................................
        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:
................................................................................
    elif cAction == ">":
        ## no action, break loop if condition is False
        return [sCondition, cAction, ""]
    else:
        print("# Unknown action at line " + sIdAction)
        return None




















































































def _calcRulesStats (lRules):
    d = {'=':0, '~': 0, '-': 0, '>': 0}
    for aRule in lRules:
        for aAction in aRule[6]:
            d[aAction[1]] = d[aAction[1]] + 1
    return (d, len(lRules))
................................................................................
            if sLine == "[++]":
                bParagraph = False
            else:
                aRule = createRule(sLine, nLine, sLang, bParagraph, dOptPriority)
                if aRule:
                    if bParagraph:
                        lParagraphRules.append(aRule)
                        lParagraphRulesJS.append(jsconv.pyRuleToJS(aRule, dJSREGEXES, sWORDLIMITLEFT))
                    else:
                        lSentenceRules.append(aRule)
                        lSentenceRulesJS.append(jsconv.pyRuleToJS(aRule, dJSREGEXES, sWORDLIMITLEFT))

    # creating file with all functions callable by rules
    print("  creating callables...")
    sPyCallables = "# generated code, do not edit\n"
    sJSCallables = "// generated code, do not edit\nconst oEvalFunc = {\n"
    for sFuncName, sReturn in lFUNCTIONS:
        cType = sFuncName[0:1]
................................................................................
            sParams = "s, m, dDA"
        else:
            print("# Unknown function type in [" + sFuncName + "]")
            continue
        sPyCallables += "def {} ({}):\n".format(sFuncName, sParams)
        sPyCallables += "    return " + sReturn + "\n"
        sJSCallables += "    {}: function ({})".format(sFuncName, sParams) + " {\n"
        sJSCallables += "        return " + jsconv.py2js(sReturn) + ";\n"
        sJSCallables += "    },\n"
    sJSCallables += "}\n"

    displayStats(lParagraphRules, lSentenceRules)

    print("Unnamed rules: " + str(nRULEWITHOUTNAME))

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

    return d

Added compile_rules_js_convert.py version [e1dbc7ea44].













































































































































































































































































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
# Convert Python code to JavaScript code

import copy
import re
import json


def py2js (sCode):
    "convert Python code to JavaScript code"
    # Python 2.x unicode strings
    sCode = re.sub('\\b[ur]"', '"', sCode)
    sCode = re.sub("\\b[ur]'", "'", sCode)
    # operators
    sCode = sCode.replace(" and ", " && ")
    sCode = sCode.replace(" or ", " || ")
    sCode = re.sub("\\bnot\\b", "!", sCode)
    sCode = re.sub("(.+) if (.+) else (.+)", "(\\2) ? \\1 : \\3", sCode)
    # boolean
    sCode = sCode.replace("False", "false")
    sCode = sCode.replace("True", "true")
    sCode = sCode.replace("bool", "Boolean")
    # methods
    sCode = sCode.replace(".__len__()", ".length")
    sCode = sCode.replace(".endswith", ".endsWith")
    sCode = sCode.replace(".find", ".indexOf")
    sCode = sCode.replace(".startswith", ".startsWith")
    sCode = sCode.replace(".lower", ".toLowerCase")
    sCode = sCode.replace(".upper", ".toUpperCase")
    sCode = sCode.replace(".isdigit", ".gl_isDigit")
    sCode = sCode.replace(".isupper", ".gl_isUpperCase")
    sCode = sCode.replace(".islower", ".gl_isLowerCase")
    sCode = sCode.replace(".istitle", ".gl_isTitle")
    sCode = sCode.replace(".capitalize", ".gl_toCapitalize")
    sCode = sCode.replace(".strip", ".gl_trim")
    sCode = sCode.replace(".lstrip", ".gl_trimLeft")
    sCode = sCode.replace(".rstrip", ".gl_trimRight")
    sCode = sCode.replace('.replace("."', ".replace(/\./g")
    sCode = sCode.replace('.replace("..."', ".replace(/\.\.\./g")
    sCode = re.sub('.replace\("([^"]+)" ?,', ".replace(/\\1/g,", sCode)
    # regex
    sCode = re.sub('re.search\("([^"]+)", *(m.group\(\\d\))\)', "(\\2.search(/\\1/) >= 0)", sCode)
    sCode = re.sub(".search\\(/\\(\\?i\\)([^/]+)/\\) >= 0\\)", ".search(/\\1/i) >= 0)", sCode)
    sCode = re.sub('(look\\(sx?[][.a-z:()]*), "\\(\\?i\\)([^"]+)"', "\\1, /\\2/i", sCode)
    sCode = re.sub('(look\\(sx?[][.a-z:()]*), "([^"]+)"', "\\1, /\\2/", sCode)
    sCode = re.sub('(look_chk1\\(dDA, sx?[][.a-z:()]*, [0-9a-z.()]+), "\\(\\?i\\)([^"]+)"', "\\1, /\\2/i", sCode)
    sCode = re.sub('(look_chk1\\(dDA, sx?[][.a-z:()]*, [0-9a-z.()]+), "([^"]+)"', "\\1, /\\2/i", sCode)
    sCode = sCode.replace("(?<!-)", "")  # todo
    # slices
    sCode = sCode.replace("[:m.start()]", ".slice(0,m.index)")
    sCode = sCode.replace("[m.end():]", ".slice(m.end[0])")
    sCode = sCode.replace("[m.start():m.end()]", ".slice(m.index, m.end[0])")
    sCode = re.sub("\\[(-?\\d+):(-?\\d+)\\]", ".slice(\\1,\\2)", sCode)
    sCode = re.sub("\\[(-?\\d+):\\]", ".slice(\\1)", sCode)
    sCode = re.sub("\\[:(-?\\d+)\\]", ".slice(0,\\1)", sCode)
    # regex matches
    sCode = sCode.replace(".end()", ".end[0]")
    sCode = sCode.replace(".start()", ".index")
    sCode = sCode.replace("m.group()", "m[0]")
    sCode = re.sub("\\.start\\((\\d+)\\)", ".start[\\1]", sCode)
    sCode = re.sub("m\\.group\\((\\d+)\\)", "m[\\1]", sCode)
    # tuples -> lists
    sCode = re.sub("\((m\.start\[\\d+\], m\[\\d+\])\)", "[\\1]", sCode)
    # regex
    sCode = sCode.replace("\w[\w-]+", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st][a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st-]+")
    sCode = sCode.replace(r"/\w/", "/[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st]/")
    sCode = sCode.replace(r"[\w-]", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st-]")
    sCode = sCode.replace(r"[\w,]", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st,]")
    return sCode


def regex2js (sRegex, sWORDLIMITLEFT):
    "converts Python regex to JS regex and returns JS regex and list of negative lookbefore assertions"
    #   Latin letters: http://unicode-table.com/fr/
    #   0-9  and  _
    #   A-Z
    #   a-z
    #   À-Ö     00C0-00D6   (upper case)
    #   Ø-ß     00D8-00DF   (upper case)
    #   à-ö     00E0-00F6   (lower case)
    #   ø-ÿ     00F8-00FF   (lower case)
    #   Ā-ʯ     0100-02AF   (mixed)
    #   -> a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯ
    bCaseInsensitive = False
    if "(?i)" in sRegex:
        sRegex = sRegex.replace("(?i)", "")
        bCaseInsensitive = True
    lNegLookBeforeRegex = []
    if sWORDLIMITLEFT in sRegex:
        sRegex = sRegex.replace(sWORDLIMITLEFT, "")
        lNegLookBeforeRegex = ["[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯ.,–-]$"]
    sRegex = sRegex.replace("[\\w", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯ")
    sRegex = sRegex.replace("\\w", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯ]")
    sRegex = sRegex.replace("[.]", r"\.")
    if not sRegex.startswith("<js>"):
        sRegex = sRegex.replace("/", r"\/")
    m = re.search(r"\(\?<!([^()]+)\)", sRegex)  # Negative lookbefore assertion should always be at the beginning of regex
    if m:
        lNegLookBeforeRegex.append(m.group(1)+"$")
        sRegex = sRegex.replace(m.group(0), "")
    if "(?<" in sRegex:
        print("# Warning. Lookbefore assertion not changed in:\n  ")
        print(sRegex)
    if sRegex.startswith("<js>"):
        sRegex = sRegex.replace('<js>', '/').replace('</js>i', '/ig').replace('</js>', '/g')
    else:
        sRegex = "/" + sRegex + "/g"
    if bCaseInsensitive and not sRegex.endswith("/ig"):
        sRegex = sRegex + "i"
    if not lNegLookBeforeRegex:
        lNegLookBeforeRegex = None
    return (sRegex, lNegLookBeforeRegex)


def pyRuleToJS (lRule, dJSREGEXES, sWORDLIMITLEFT):
    lRuleJS = copy.deepcopy(lRule)
    del lRule[-1] # tGroups positioning codes are useless for Python
    # error messages
    for aAction in lRuleJS[6]:
        if aAction[1] == "-":
            aAction[2] = aAction[2].replace(" ", " ") # nbsp --> nnbsp
            aAction[4] = aAction[4].replace("« ", "« ").replace(" »", " »").replace(" :", " :").replace(" :", " :")
    # js regexes
    lRuleJS[1], lNegLookBehindRegex = regex2js(dJSREGEXES.get(lRuleJS[3], lRuleJS[1]), sWORDLIMITLEFT)
    lRuleJS.append(lNegLookBehindRegex)
    return lRuleJS


def writeRulesToJSArray (lRules):
    sArray = "[\n"
    for sOption, aRuleGroup in lRules:
        sArray += '  ["' + sOption + '", [\n'  if sOption  else  "  [false, [\n"
        for sRegex, bCaseInsensitive, sLineId, sRuleId, nPriority, lActions, aGroups, aNegLookBehindRegex in aRuleGroup:
            sArray += '    [' + sRegex + ", "
            sArray += "true, " if bCaseInsensitive  else "false, "
            sArray += '"' + sLineId + '", '
            sArray += '"' + sRuleId + '", '
            sArray += str(nPriority) + ", "
            sArray += json.dumps(lActions, ensure_ascii=False) + ", "
            sArray += json.dumps(aGroups, ensure_ascii=False) + ", "
            sArray += json.dumps(aNegLookBehindRegex, ensure_ascii=False) + "],\n"
        sArray += "  ]],\n"
    sArray += "]"
    return sArray


def groupsPositioningCodeToList (sGroupsPositioningCode):
    if not sGroupsPositioningCode:
        return None
    return [ int(sCode)  if sCode.isdigit() or (sCode[0:1] == "-" and sCode[1:].isdigit())  else sCode \
             for sCode in sGroupsPositioningCode.split(",") ]