Uses 11335K of libraries. Click here for Pure Java version (6300L/40K).
1 | !include once #1027304 // Eclipse Collections |
2 | |
3 | srecord noeq LCMerger(LineCompReader lc1, LineCompReader lc2) {
|
4 | new LineCompReader lcOut; // TODO: merge with lc1 |
5 | new LongIntHashMap pairIndex; |
6 | Map<S, Int> literalIndex; |
7 | new IntIntHashMap lc2map; // TODO: Drop. This is actually contained in the pairIndex |
8 | int newLiterals; // number of literals added compared to lc1 |
9 | int newPairs; |
10 | |
11 | run {
|
12 | lcOut.byteMode = lc1.byteMode; |
13 | |
14 | printWithTime("Making pairIndex");
|
15 | for (int i = 0; i < lc1.pairs.size(); i++) |
16 | pairIndex.put(lc1.pairs.get(i), i); |
17 | printWithTime("Making literalIndex");
|
18 | literalIndex = indexList(lc1.literals); |
19 | |
20 | // make lcOut.literals & literalIndex |
21 | |
22 | printWithTime("Merging literals");
|
23 | lcOut.literals = cloneList(lc1.literals); |
24 | for (int i = 0; i < l(lc2.literals); i++) {
|
25 | S c = lc2.literals.get(i); |
26 | Int iLit = literalIndex.get(c); |
27 | if (iLit == null) {
|
28 | iLit = addAndReturnIndex(lcOut.literals, c); |
29 | literalIndex.put(c, iLit); |
30 | } |
31 | lc2map.put(i, iLit); |
32 | } |
33 | |
34 | newLiterals = l(lcOut.literals)-l(lc1.literals); |
35 | |
36 | // clone lc1.pairs into lcOut.pairs, add lc2.pairs |
37 | |
38 | printWithTime("Merging pairs");
|
39 | new IntIntHashMap map2; |
40 | lcOut.pairs = new LongBuffer(l(lc1.pairs)); |
41 | for (long p : lc1.pairs.asVirtualList()) |
42 | lcOut.pairs.add(twoIntsToLong(adjust1(firstIntFromLong(p)), adjust1(secondIntFromLong(p)))); |
43 | |
44 | for (int i = 0; i < l(lc2.pairs); i++) {
|
45 | long p = lc2.pairs.get(i); |
46 | long pAdjusted = twoIntsToLong(adjust2(firstIntFromLong(p)), adjust2(secondIntFromLong(p))); |
47 | int iPair = pairIndex.getIfAbsent(pAdjusted, -1); |
48 | if (iPair < 0) { // new pair
|
49 | iPair = l(lcOut.pairs); |
50 | lcOut.pairs.add(pAdjusted); |
51 | pairIndex.put(pAdjusted, iPair); |
52 | } |
53 | lc2map.put(l(lc2.literals)+i, l(lcOut.literals)+iPair); |
54 | } |
55 | |
56 | newPairs = l(lcOut.pairs)-l(lc1.pairs); |
57 | |
58 | // copy files |
59 | |
60 | printWithTime("Merging files");
|
61 | lcOut.versions = new LinkedHashMap; |
62 | for (S name, L<Int> encoding : lc1.versions) {
|
63 | lcOut.versions.put(name, lmap adjust1(encoding)); |
64 | } |
65 | |
66 | for (S name, L<Int> encoding : lc2.versions) {
|
67 | if (lcOut.versions.containsKey(name)) |
68 | continue with print("Warning: Duplicate file name " + name);
|
69 | lcOut.versions.put(name, lmap adjust2(encoding)); |
70 | } |
71 | |
72 | print("Synergy factor: " + doubleRatio(l(lcOut.pairs), l(lc1.pairs)+l(lc2.pairs)));
|
73 | } |
74 | |
75 | // convert symbols from lc1 to lcOut |
76 | int adjust1(int i) {
|
77 | if (i >= l(lc1.literals)) |
78 | if (i >= l(lc1.literals)+l(lc1.pairs)) |
79 | ret i+newLiterals+newPairs; |
80 | else |
81 | ret i+newLiterals; |
82 | ret i; |
83 | } |
84 | |
85 | int adjust2(int i) { ret lc2map.getIfAbsent(i, i); }
|
86 | } |
Began life as a copy of #1029327
download show line numbers debug dex old transpilations
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| Snippet ID: | #1029353 |
| Snippet name: | LCMerger [working backup] |
| Eternal ID of this version: | #1029353/5 |
| Text MD5: | 12cb017ecec87ce8b3948edf6ddc558a |
| Transpilation MD5: | 106f6dbdd359ca413c4c5a4c9c77a27d |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2020-08-02 11:25:33 |
| Source code size: | 2863 bytes / 86 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 438 / 560 |
| Version history: | 4 change(s) |
| Referenced in: | [show references] |