1 | static abstract class JavaTok_Stream {
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2 | abstract void add(int i, int j); |
3 | } |
4 | |
5 | static void javaTok_streaming(S s, JavaTok_Stream stream) {
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6 | int l = s.length(); |
7 | |
8 | int i = 0, n = 0; |
9 | while (i < l) {
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10 | int j = i; |
11 | char c, d; |
12 | |
13 | // scan for whitespace |
14 | while (j < l) {
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15 | c = s.charAt(j); |
16 | d = j+1 >= l ? '\0' : s.charAt(j+1); |
17 | if (c == ' ' || c == '\t' || c == '\r' || c == '\n') |
18 | ++j; |
19 | else if (c == '/' && d == '*') {
|
20 | do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
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21 | j = Math.min(j+2, l); |
22 | } else if (c == '/' && d == '/') {
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23 | do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); |
24 | } else |
25 | break; |
26 | } |
27 | |
28 | stream.add(i, j); |
29 | ++n; |
30 | i = j; |
31 | if (i >= l) break; |
32 | c = s.charAt(i); |
33 | d = i+1 >= l ? '\0' : s.charAt(i+1); |
34 | |
35 | // scan for non-whitespace |
36 | if (c == '\'' || c == '"') {
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37 | char opener = c; |
38 | ++j; |
39 | while (j < l) {
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40 | if (s.charAt(j) == opener || s.charAt(j) == '\n') { // end at \n to not propagate unclosed string literal errors
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41 | ++j; |
42 | break; |
43 | } else if (s.charAt(j) == '\\' && j+1 < l) |
44 | j += 2; |
45 | else |
46 | ++j; |
47 | } |
48 | } else if (Character.isJavaIdentifierStart(c)) |
49 | do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't" |
50 | else if (Character.isDigit(c)) {
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51 | do ++j; while (j < l && Character.isDigit(s.charAt(j))); |
52 | if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L |
53 | } else if (c == '[' && d == '[') {
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54 | do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
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55 | j = Math.min(j+2, l); |
56 | } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') {
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57 | do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]"));
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58 | j = Math.min(j+3, l); |
59 | } else |
60 | ++j; |
61 | |
62 | stream.add(i, j); |
63 | ++n; |
64 | i = j; |
65 | } |
66 | |
67 | if ((n % 2) == 0) stream.add(i, i); |
68 | } |
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| Snippet ID: | #1005592 |
| Snippet name: | javaTok_streaming function - javaTok using streamed output |
| Eternal ID of this version: | #1005592/1 |
| Text MD5: | 29a1dc6b0d2aa4c8115d0dd44dd2473b |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2016-11-28 20:14:52 |
| Source code size: | 2066 bytes / 68 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 554 / 556 |
| Referenced in: | [show references] |