Transpiled version (116L) is out of date.
1 | static Producer<S> javaTok_producer(S s) {
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2 | ret new Producer<S> {
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3 | final int l = strL(s); |
4 | int i = 0; // current character index |
5 | bool inWhitespace = true; |
6 | |
7 | public S next() {
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8 | int j = i; |
9 | char c, d; |
10 | |
11 | if (inWhitespace) {
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12 | // scan for whitespace |
13 | while (j < l) {
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14 | c = s.charAt(j); |
15 | d = j+1 >= l ? '\0' : s.charAt(j+1); |
16 | if (c == ' ' || c == '\t' || c == '\r' || c == '\n') |
17 | ++j; |
18 | else if (c == '/' && d == '*') {
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19 | do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
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20 | j = Math.min(j+2, l); |
21 | } else if (c == '/' && d == '/') {
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22 | do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); |
23 | } else |
24 | break; |
25 | } |
26 | |
27 | S t = quickSubstring(s, i, j); |
28 | i = j; |
29 | inWhitespace = false; |
30 | ret t; |
31 | } else {
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32 | if (i >= l) null; // end |
33 | |
34 | c = s.charAt(i); |
35 | d = i+1 >= l ? '\0' : s.charAt(i+1); |
36 | |
37 | // scan for non-whitespace |
38 | if (c == '\'' || c == '"') {
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39 | char opener = c; |
40 | ++j; |
41 | while (j < l) {
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42 | if (s.charAt(j) == opener || s.charAt(j) == '\n') { // end at \n to not propagate unclosed string literal errors
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43 | ++j; |
44 | break; |
45 | } else if (s.charAt(j) == '\\' && j+1 < l) |
46 | j += 2; |
47 | else |
48 | ++j; |
49 | } |
50 | } else if (Character.isJavaIdentifierStart(c)) |
51 | do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't" |
52 | else if (Character.isDigit(c)) {
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53 | do ++j; while (j < l && Character.isDigit(s.charAt(j))); |
54 | if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L |
55 | } else if (c == '[' && d == '[') {
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56 | do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
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57 | j = Math.min(j+2, l); |
58 | } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') {
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59 | do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]"));
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60 | j = Math.min(j+3, l); |
61 | } else |
62 | ++j; |
63 | |
64 | S t = quickSubstring(s, i, j); |
65 | i = j; |
66 | inWhitespace = true; |
67 | ret t; |
68 | } |
69 | } |
70 | }; |
71 | } |
Began life as a copy of #1005977
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| Snippet ID: | #1034624 |
| Snippet name: | javaTok_producer - javaTok as Producer |
| Eternal ID of this version: | #1034624/5 |
| Text MD5: | d611bcb14b30b48d485ae07cdb963bb6 |
| Author: | stefan |
| Category: | javax / parsing |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2022-02-24 19:21:36 |
| Source code size: | 2407 bytes / 71 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 65 / 101 |
| Version history: | 4 change(s) |
| Referenced in: | [show references] |