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1 | !759 |
2 | |
3 | static boolean printNulls = true, full = true; |
4 | |
5 | static L<S> inputs = toLinesFullTrim([[ |
6 | hello |
7 | "hello!" |
8 | hello you |
9 | hello < you |
10 | [hello] |
11 | [hello] [you] |
12 | [hello < you] |
13 | |
14 | [ ? < Is < it < safe < to < allow [PowerTOP] to [make < all < the < changes < located on < the < Tunables < tab] ] |
15 | [ I < was < going to < create < a < startup script < for < it ] |
16 | ]]); |
17 | |
18 | static S snlRules = [[ |
19 | // highest (strongest binding) level |
20 | <identifier> = idword |
21 | <quoted> = subword |
22 | ? = idword |
23 | ! = idword |
24 | |
25 | <subword> = word |
26 | <idword> = word |
27 | |
28 | // juxtaposition on highest level |
29 | <word> <word> = word |
30 | |
31 | // bracketing takes us to highest level |
32 | [ <lowest> ] = subword |
33 | ( <lowest> ) = subword |
34 | |
35 | // < is intermediate |
36 | <word> = arrows |
37 | <word> < <arrows> = arrows |
38 | |
39 | = lowest // allow empty here |
40 | <arrows> = lowest |
41 | ]]; |
42 | |
43 | p {
|
44 | for (S input : inputs) {
|
45 | Explain exp = full |
46 | ? explainFull(input, snlRules, "lowest") |
47 | : explain(input, snlRules, "lowest"); |
48 | print(); |
49 | print("PARSING: " + input);
|
50 | print(); |
51 | if (exp == null) |
52 | print("No parse");
|
53 | else {
|
54 | //printStructure(exp.e); |
55 | printTree(0, exp); |
56 | } |
57 | print(); |
58 | } |
59 | } |
60 | |
61 | static void printTree(int indent, Explain e) {
|
62 | if (e == null) {
|
63 | // this would print "null" for every <identifier> etc |
64 | if (printNulls) |
65 | print(indent(indent) + "null"); |
66 | } else {
|
67 | print(indent(indent) + e.className() + " | " + e.string()); |
68 | for (Explain sub : e.subs) |
69 | printTree(indent+2, sub); |
70 | } |
71 | } |
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| Snippet ID: | #1002683 |
| Snippet name: | Parsing Simplified NL (dev.) |
| Eternal ID of this version: | #1002683/1 |
| Text MD5: | fce1f37cafbc47462d56645f858ed8aa |
| Transpilation MD5: | b1c76008175b872c594dd4809c4a70f6 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX source code |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2016-02-13 20:12:08 |
| Source code size: | 1573 bytes / 71 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 744 / 783 |
| Referenced in: | [show references] |