1 | // Logic thread |
2 | |
3 | static class LThread {
|
4 | new L<Lisp> statements; |
5 | new HashMap<S, Lisp> m; // current variable assignments |
6 | L<Lisp> ops; |
7 | int opIdx; |
8 | new L<Lisp> output; |
9 | L<S> log; |
10 | |
11 | *(Lisp code) {
|
12 | ops = splitOps(code); |
13 | } |
14 | |
15 | boolean done() {
|
16 | ret opIdx >= l(ops); |
17 | } |
18 | |
19 | // returns false if failed |
20 | boolean step() {
|
21 | Lisp code = ops.get(opIdx++); |
22 | boolean ok = stepImpl(code); |
23 | if (log != null) |
24 | log.add((ok ? "[OK] ": "[FAIL] ") + " step " + snlFromTree(code) + " with " + structure(m)); |
25 | ret ok; |
26 | } |
27 | |
28 | void say(Lisp b) {
|
29 | output.add(snlApply(b, m)); |
30 | } |
31 | |
32 | boolean stepImpl(Lisp code) {
|
33 | if (code.isic("if *", "and *", "assume *")) {
|
34 | Lisp a = code.get(0); |
35 | Lisp b = snlApply(a, m); |
36 | |
37 | // try all statements known |
38 | |
39 | for (Lisp s : statements) {
|
40 | S x; |
41 | if (snlMatchX(b, s, m)) |
42 | ret true; |
43 | } |
44 | |
45 | // try the low-level engine |
46 | |
47 | pcall {
|
48 | if (yo(b, m)) // todo: rename vars |
49 | ret true; |
50 | } |
51 | |
52 | if (code.isic("assume *"))
|
53 | say(snlToTree("assumption < failed < : < [" + snlFromTree(b) + "]"));
|
54 | |
55 | // Not matched, fail |
56 | ret false; |
57 | } |
58 | |
59 | if (code.isic("say *")) {
|
60 | Lisp b = code.get(0); |
61 | //print ("m: " + structure (m) + ", b: " + structure (b));
|
62 | say(b); |
63 | ret true; |
64 | } |
65 | |
66 | if (code.isic("memorize *")) {
|
67 | Lisp b = snlApply(code.get(0), m); |
68 | callOpt(mc(), "memorize", b); |
69 | ret true; |
70 | } |
71 | |
72 | // unknown code |
73 | |
74 | say(snlToTree("unknown < instruction < : < [" + snlFromTree(code) + "]"));
|
75 | |
76 | ret false; |
77 | } |
78 | |
79 | // true if succeeded, false if failed |
80 | boolean run() {
|
81 | while (!done()) |
82 | if (!step()) {
|
83 | print("fail");
|
84 | ret false; |
85 | } |
86 | ret true; |
87 | } |
88 | |
89 | // split smth like "if * then *" into "if *" and "then *" |
90 | L<Lisp> splitOps(Lisp code) {
|
91 | S ops = code.head; |
92 | L<S> tok = codeTokensOnly(javaTok(ops)); |
93 | new L<Lisp> out; |
94 | for (int i = 0; i < l(tok); i += 2) {
|
95 | S op = tok.get(i); |
96 | assertEquals("*", tok.get(i+1));
|
97 | out.add(lisp(op + " *", code.get(i/2))); |
98 | } |
99 | print("splitOps => " + structure(out));
|
100 | ret out; |
101 | } |
102 | } |
Began life as a copy of #1002733
download show line numbers debug dex old transpilations
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| Snippet ID: | #1002743 |
| Snippet name: | LThread (include, OLDER) |
| Eternal ID of this version: | #1002743/1 |
| Text MD5: | 3ddd4de6fbd56e6784f67dc31191e8c7 |
| Author: | stefan |
| Category: | eleu / nl |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2016-02-20 21:12:16 |
| Source code size: | 2312 bytes / 102 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 554 / 761 |
| Referenced in: | [show references] |