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1 | !7 |
2 | |
3 | p-exp {
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4 | S input = "Stell dir vor die Hütte brennt"; |
5 | L<S> tok = javaTok(input); |
6 | Parser parser = FixedTokenIC("Stell", func -> Parser {
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7 | FixedTokenIC("dir", func -> Parser {
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8 | FixedTokenIC("vor", func -> Parser {
|
9 | RestParser(voidfunc(S s) {
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10 | print("Got sentence: " + s)
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11 | }) |
12 | }) |
13 | }) |
14 | }); |
15 | tok.add("<over>");
|
16 | for i over tok: {
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17 | parser = parser.consumeToken(tok.get(i), i); |
18 | if (parser == null && i < l(tok)-1) |
19 | print("No parse after " + joinSubList(tok, 0, i+1));
|
20 | } |
21 | } |
22 | |
23 | abstract sclass Parser {
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24 | abstract Parser consumeToken(S t, int idx); |
25 | } |
26 | |
27 | srecord FixedTokenIC(S token, F0<Parser> nextParser) extends Parser {
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28 | Parser consumeToken(S t, int idx) {
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29 | if (even(idx)) this; // N token |
30 | if (!eqic(token, t)) null; |
31 | ret nextParser!; |
32 | } |
33 | } |
34 | |
35 | srecord RestParser(VF1<S> onParse) > Parser {
|
36 | new L<S> consumed; |
37 | |
38 | Parser consumeToken(S t, int idx) {
|
39 | if (eq(t, "<over>")) {
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40 | callF(onParse, join(consumed)); |
41 | null; |
42 | } else {
|
43 | consumed.add(t); |
44 | this; |
45 | } |
46 | } |
47 | } |
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| Snippet ID: | #1017739 |
| Snippet name: | Live Parse Spike [OK] |
| Eternal ID of this version: | #1017739/7 |
| Text MD5: | 2fe1a839c7cf32c7c13478f14627e9a5 |
| Transpilation MD5: | c875e4d7b1a4396b9acdc1dfaf21a5b4 |
| Author: | stefan |
| Category: | javax / a.i. |
| Type: | JavaX source code (desktop) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2018-08-07 20:18:52 |
| Source code size: | 1098 bytes / 47 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 436 / 974 |
| Version history: | 6 change(s) |
| Referenced in: | [show references] |