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1 | sbool tok_doubleFor_v3_debug; |
2 | |
3 | static void tok_doubleFor_v3(L<S> tok) { |
4 | // The problem with going all "var" is that |
5 | // if the map is of a raw type (e.g. Map), _entrySet(map) is of type |
6 | // Set which means we can't call getKey()/getValue() on the entries. |
7 | // We can, however, all it for typed maps. |
8 | |
9 | jreplace(tok, "for (<id>, <id> :", "for (var $3, var $5 :"); |
10 | |
11 | for (int i : reversed(indexesOf(tok, "for"))) { |
12 | if (neq(get(tok, i+2), "(")) continue; |
13 | int argsFrom = i+4; |
14 | // move loop label to proper place |
15 | if (eqGet(tok, i-2, ":") && isIdentifier(get(tok, i-4))) i -= 4; |
16 | int iColon = indexOfAny(tok, argsFrom, ":", ")"); |
17 | if (neq(get(tok, iColon), ":")) continue; |
18 | if (tok_doubleFor_v3_debug) print("have colon"); |
19 | tok_typesAndNamesOfParams_keepModifiers.set(true); |
20 | L<PairS> args; |
21 | try { |
22 | args = tok_typesAndNamesOfParams(subList(tok, argsFrom-1, iColon-1)); |
23 | } catch { |
24 | print("tok_doubleFor_v3: Skipping parsing complicated for statement (probably not a double for)"); |
25 | continue; |
26 | } |
27 | |
28 | if (l(args) != 2) continue; // simple for or a three-argument for (out of this world!) |
29 | |
30 | // S a, b => S a, S b |
31 | if (eq(second(args).a, "?")) second(args).a = first(args).a; |
32 | |
33 | if (tok_doubleFor_v3_debug) print("have 2 args: " + sfu(args)); |
34 | int iClosing = tok_findEndOfForExpression(tok, iColon+2); |
35 | if (iClosing < 0) continue; |
36 | if (tok_doubleFor_v3_debug) print("have closing"); |
37 | S exp = trimJoinSubList(tok, iColon+2, iClosing-1); |
38 | if (tok_doubleFor_v3_debug) print("Expression: " + exp); |
39 | int iCurly = iClosing+2; |
40 | tok_statementToBlock(tok, iCurly); |
41 | int iCurlyEnd = tok_findEndOfStatement(tok, iCurly)-1; |
42 | if (iCurlyEnd < 0) continue; |
43 | if (tok_doubleFor_v3_debug) print("have curly end"); |
44 | |
45 | tokAppend(tok, iColon, " _entrySet("); |
46 | tokPrepend(tok, iClosing, ")"); |
47 | |
48 | S keyType = first(first(args)); |
49 | S valueType = first(second(args)); |
50 | |
51 | S entryVar = makeVar(); |
52 | S entryType = eq(keyType, "var") || eq(valueType, "var") |
53 | ? "var" |
54 | : "Map.Entry<? extends " + tok_toNonPrimitiveTypes(keyType) + ", ? extends " |
55 | + tok_toNonPrimitiveTypes(first(second(args))) + ">"; |
56 | |
57 | replaceTokens(tok, argsFrom, iColon-1, entryType + " " + entryVar); |
58 | /*"Map.Entry<" + first(first(args)) + ", " |
59 | + first(second(args)) + "> " + entryVar);*/ |
60 | |
61 | tokAppend(tok, iCurly, " " + joinPairWithSpace(first(args)) + " = " + entryVar + ".getKey(); " |
62 | + joinPairWithSpace(second(args)) + " = " + entryVar + ".getValue(); "); |
63 | reTok(tok, i, iCurlyEnd+1); |
64 | } |
65 | } |
Began life as a copy of #1013206
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Snippet ID: | #1030155 |
Snippet name: | tok_doubleFor_v3 [using Map.Entry, LIVE] |
Eternal ID of this version: | #1030155/15 |
Text MD5: | 7eba0589fd72b842ff4f13459cfd2213 |
Transpilation MD5: | 40c2dbac2a37977925235b9530d146f7 |
Author: | stefan |
Category: | javax / transpiling |
Type: | JavaX fragment (include) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2022-01-25 21:02:51 |
Source code size: | 2681 bytes / 65 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 176 / 279 |
Version history: | 14 change(s) |
Referenced in: | [show references] |