1 | static S firstJavaToken(S s) {
|
2 | if (s == null) null; |
3 | int l = s.length(); |
4 | |
5 | int j = 0; |
6 | char c, d; |
7 | |
8 | // scan for whitespace |
9 | while (j < l) {
|
10 | c = s.charAt(j); |
11 | d = j+1 >= l ? '\0' : s.charAt(j+1); |
12 | if (c == ' ' || c == '\t' || c == '\r' || c == '\n') |
13 | ++j; |
14 | else if (c == '/' && d == '*') {
|
15 | do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
|
16 | j = Math.min(j+2, l); |
17 | } else if (c == '/' && d == '/') {
|
18 | do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); |
19 | } else |
20 | break; |
21 | } |
22 | |
23 | if (j >= l) null; |
24 | int i = j; |
25 | c = s.charAt(i); |
26 | d = i+1 >= l ? '\0' : s.charAt(i+1); |
27 | |
28 | // scan for non-whitespace |
29 | if (c == '\'' || c == '"') {
|
30 | char opener = c; |
31 | ++j; |
32 | while (j < l) {
|
33 | if (s.charAt(j) == opener || s.charAt(j) == '\n') { // end at \n to not propagate unclosed string literal errors
|
34 | ++j; |
35 | break; |
36 | } else if (s.charAt(j) == '\\' && j+1 < l) |
37 | j += 2; |
38 | else |
39 | ++j; |
40 | } |
41 | } else if (Character.isJavaIdentifierStart(c)) |
42 | do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't" |
43 | else if (Character.isDigit(c)) {
|
44 | do ++j; while (j < l && Character.isDigit(s.charAt(j))); |
45 | if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L |
46 | } else if (c == '[' && d == '[') {
|
47 | do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
|
48 | j = Math.min(j+2, l); |
49 | } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') {
|
50 | do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]"));
|
51 | j = Math.min(j+3, l); |
52 | } else |
53 | ++j; |
54 | |
55 | ret quickSubstring(s, i, j); |
56 | } |
Began life as a copy of #1007538
download show line numbers debug dex old transpilations
Travelled to 14 computer(s): aoiabmzegqzx, bhatertpkbcr, cbybwowwnfue, cfunsshuasjs, gwrvuhgaqvyk, ishqpsrjomds, lpdgvwnxivlt, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tslmcundralx, tvejysmllsmz, vouqrxazstgt, whxojlpjdney
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| Snippet ID: | #1008206 |
| Snippet name: | firstJavaToken |
| Eternal ID of this version: | #1008206/3 |
| Text MD5: | f2bd11846170b94cb31f830fe837f450 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2017-10-17 00:24:04 |
| Source code size: | 1757 bytes / 56 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 922 / 978 |
| Version history: | 2 change(s) |
| Referenced in: | [show references] |