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1 | !7 |
2 | |
3 | sS input = [[ |
4 | RULE WasLAB (("was|warum")&&("ist|bedeutet|heißt|soll|meint|nenn(t|en|st)")&&("lab")||("bla"))
|
5 | ]]; |
6 | |
7 | sS rules = [[ |
8 | |
9 | RULE <identifier> ( <exp> ) = rule |
10 | |
11 | // bracketing combines top and bottom |
12 | ( <exp> ) = bracket |
13 | <bracket> = expX |
14 | |
15 | // primitive expressions are also at top level |
16 | <quoted> = expX |
17 | |
18 | // now come the lower levels |
19 | <expX> = exp3 |
20 | |
21 | <exp2> & & <exp3> = and |
22 | <exp3> = exp2 |
23 | <and> = exp2 |
24 | |
25 | <exp1> | | <exp2> = or |
26 | <exp2> = exp1 |
27 | <or> = exp1 |
28 | |
29 | // lowest level |
30 | <exp1> = exp |
31 | ]]; |
32 | |
33 | p-tt {
|
34 | Explain e = explain(input, rules, "rule"); |
35 | print("Parsed as: " + structForUser(e.fullMatchClasses()));
|
36 | printExplainTree2_filterClasses(e, func(S s) { !startsWith(s, "exp") });
|
37 | } |
Began life as a copy of #1008809
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| Snippet ID: | #1008817 |
| Snippet name: | Test brackets + && + || + rule, bottom-up |
| Eternal ID of this version: | #1008817/23 |
| Text MD5: | 8854b725d40712f2b2f7b495452ddd05 |
| Transpilation MD5: | 80f8504581e3c98448f019e8d28713fe |
| Author: | stefan |
| Category: | javax / parsing |
| Type: | JavaX source code |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2017-06-10 01:05:25 |
| Source code size: | 718 bytes / 37 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 467 / 658 |
| Version history: | 22 change(s) |
| Referenced in: | [show references] |