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1 | // process scope x. ... end scope blocks |
2 | svoid tok_scopes(L<S> tok, O... _) {
|
3 | if (!tok.contains("scope")) ret;
|
4 | optPar bool autoCloseScopes; |
5 | |
6 | // New syntax: scope bla { ... }
|
7 | replaceKeywordBlock(tok, "scope <id>", |
8 | "scope $2. ", |
9 | " end scope "); |
10 | |
11 | int i; |
12 | // Old syntax: scope bla ... end scope |
13 | while ((i = rjfind(tok, "scope <id>", (_tok, nIdx) -> |
14 | !subListContains(_tok, nIdx-1, nIdx+6, "aka"))) >= 0) {
|
15 | S scopeName = tok.get(i+2); |
16 | int start = i+4; |
17 | if (eqGet(tok, start, ".")) start += 2; |
18 | int j = jfind(tok, start, "end scope"); |
19 | if (j < 0) |
20 | if (autoCloseScopes) |
21 | j = l(tok); |
22 | else |
23 | fail("Scope " + scopeName + " opened but not closed");
|
24 | else |
25 | clearTokens(tok, j, j+3); |
26 | |
27 | new HashSet<S> names; |
28 | new HashSet<S> functions; |
29 | |
30 | clearTokens(tok, i, start-1); |
31 | L<S> subTok = subList(tok, start-1, j); |
32 | |
33 | // auto-make #lock variable |
34 | if (jfind(subTok, "lock #lock") >= 0 |
35 | && jfind(subTok, "Lock #lock") < 0) |
36 | tok.set(i, "static Lock " + scopeName + "_lock = lock();\n"); |
37 | |
38 | // first pass (find # declarations) |
39 | for (int k = start; k < j-2; k += 2) {
|
40 | S t = get(tok, k+2); |
41 | if (eqGet(tok, k, "#") && isIdentifier(t)) {
|
42 | names.add(t); |
43 | if (eqGetOneOf(tok, k+4, "(", "{", "<", "extends", "implements", ">")) // cover class declarations too
|
44 | functions.add(t); |
45 | replaceTokens(tok, k, k+3, scopeName + "_" + t); |
46 | } |
47 | } |
48 | |
49 | // second pass (references to scoped variables) |
50 | for (int k = start; k < j; k += 2) {
|
51 | S t = get(tok, k); |
52 | if (isIdentifier(t)) {
|
53 | if (names.contains(t)) {
|
54 | if (eqGet(tok, k-2, ".")) {}
|
55 | else if (eqGet(tok, k+2, "(") && !functions.contains(t)) {}
|
56 | // avoid lock ... and map ... |
57 | else if (eqOneOf(t, "lock", "map") && isIdentifier(get(tok, k+2))) {}
|
58 | else |
59 | tok.set(k, scopeName + "_" + t); |
60 | } else if (eq(t, "__scope")) |
61 | tok.set(k, quote(scopeName)); |
62 | } |
63 | } |
64 | |
65 | reTok(tok, i, j+3); |
66 | } |
67 | } |
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| Snippet ID: | #1015648 |
| Snippet name: | tok_scopes |
| Eternal ID of this version: | #1015648/24 |
| Text MD5: | d8ce9f750a3be0f2515c734c50280275 |
| Transpilation MD5: | 711b9e821072dd5617e4df138de876d0 |
| Author: | stefan |
| Category: | javax / transpiling |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2022-04-28 23:40:23 |
| Source code size: | 2144 bytes / 67 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 441 / 624 |
| Version history: | 23 change(s) |
| Referenced in: | [show references] |