Transpiled version (1363L) is out of date.
1 | !752 |
2 | |
3 | static S rule = "If A likes B then A will greet B."; |
4 | static S ifThenPattern = "If A then B."; |
5 | static S fact = "John likes Paul."; |
6 | static S toCheck = "John will greet Paul."; |
7 | |
8 | p {
|
9 | MultiMap ruleVars = singleCharacterVars(rule); |
10 | assertEquals(2, l(ruleVars.keySet())); |
11 | printStructure(ruleVars); |
12 | match(ifThenPattern, rule); |
13 | } |
14 | |
15 | static match(S pattern, S input) {
|
16 | MultiMap<Range, ... singleCharacterVars(pattern) |
17 | Map<Int, Pair<O, Range>> vars = ); |
18 | matchImpl(pattern, vars, 0, input, 0); |
19 | } |
20 | |
21 | static void matchImpl(S pattern, Map<Int, Pair<O, Range>> vars, |
22 | int iPattern, S input, int iInput, Map<O, S> values) {
|
23 | if (iPattern >= l(pattern)) {
|
24 | print("Match!");
|
25 | ret; |
26 | } |
27 | vars |
28 | } |
29 | |
30 | // a range of characters in a string |
31 | sclass Range {
|
32 | int i, j; // i = from, j = to |
33 | |
34 | *() {}
|
35 | *(int *i, int *j) {}
|
36 | } |
37 | |
38 | static MultiMap<O, Range> singleCharacterVars(S s) {
|
39 | L<S> tok = nlTok(s); |
40 | int pos = 0; |
41 | new MultiMap<S, Range> vars; |
42 | for i over tok: {
|
43 | S t = tok.get(i); |
44 | int nextPos = pos+l(t); |
45 | if (l(t) == 1 && isUpperCaseLetter(t.charAt(0))) |
46 | vars.put(t, new Range(pos, nextPos)); |
47 | pos = nextPos; |
48 | } |
49 | ret (MultiMap) vars; |
50 | } |
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| Snippet ID: | #1005169 |
| Snippet name: | Rule Matching Test [abandoned] |
| Eternal ID of this version: | #1005169/1 |
| Text MD5: | 07939e37ac42d20e9af68ee10abbc35e |
| Author: | stefan |
| Category: | javax / a.i. |
| Type: | JavaX source code |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2016-10-18 19:47:29 |
| Source code size: | 1207 bytes / 50 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 457 / 515 |
| Referenced in: | [show references] |