Transpiled version (4546L) is out of date.
1 | ifndef EnforceFunctionTypes |
2 | static Map<Class, ArrayList<Method>> callF_cache = newDangerousWeakHashMap(); |
3 | endifndef |
4 | |
5 | ifclass F0 |
6 | static <A> A callF(F0<A> f) {
|
7 | ret f == null ? null : f.get(); |
8 | } |
9 | endif |
10 | |
11 | ifclass F1 |
12 | static <A, B> B callF(F1<A, B> f, A a) {
|
13 | ret f == null ? null : f.get(a); |
14 | } |
15 | endif |
16 | |
17 | ifclass IF0 |
18 | static <A> A callF(IF0<A> f) {
|
19 | ret f == null ? null : f.get(); |
20 | } |
21 | endif |
22 | |
23 | ifclass IF1 |
24 | static <A, B> B callF(IF1<A, B> f, A a) {
|
25 | ret f == null ? null : f.get(a); |
26 | } |
27 | endif |
28 | |
29 | static <A, B> B callF(A a, IF1<A, B> f) {
|
30 | ret f == null ?: f.get(a); |
31 | } |
32 | |
33 | ifclass F2 |
34 | static <A, B, C> C callF(F2<A, B, C> f, A a, B b) {
|
35 | ret f == null ? null : f.get(a, b); |
36 | } |
37 | endif |
38 | |
39 | ifclass IF2 |
40 | static <A, B, C> C callF(IF2<A, B, C> f, A a, B b) {
|
41 | ret f == null ? null : f.get(a, b); |
42 | } |
43 | endif |
44 | |
45 | ifclass VF1 |
46 | static <A> void callF(VF1<A> f, A a) {
|
47 | if (f != null) f.get(a); |
48 | } |
49 | endif |
50 | |
51 | static <A> void callF(A a, IVF1<A> f) {
|
52 | if (f != null) f.get(a); |
53 | } |
54 | |
55 | static <A> void callF(IVF1<A> f, A a) {
|
56 | if (f != null) f.get(a); |
57 | } |
58 | |
59 | |
60 | sO callF(Runnable r) { r?.run(); null; }
|
61 | |
62 | ifndef EnforceFunctionTypes |
63 | sO callF(O f, O... args) {
|
64 | ifdef callF_legacy |
65 | if (f instanceof S) // no way josé |
66 | ret callMCWithVarArgs((S) f, args); |
67 | endifdef |
68 | |
69 | ret safeCallF(f, args); |
70 | } |
71 | |
72 | sO safeCallF(O f, O... args) {
|
73 | if (f instanceof Runnable) {
|
74 | ((Runnable) f).run(); |
75 | null; |
76 | } |
77 | if (f == null) null; |
78 | |
79 | Class c = f.getClass(); |
80 | ArrayList<Method> methods; |
81 | synchronized(callF_cache) {
|
82 | methods = callF_cache.get(c); |
83 | if (methods == null) |
84 | methods = callF_makeCache(c); |
85 | } |
86 | |
87 | int n = l(methods); |
88 | if (n == 0) {
|
89 | ifclass DynamicCallable |
90 | if (f instanceof DynamicCallable) |
91 | ret f/DynamicCallable._dyn(args); |
92 | endif |
93 | ifndef callF_legacy |
94 | if (f instanceof S) |
95 | fail("Legacy call: " + f);
|
96 | endifndef |
97 | fail("No get method in " + getClassName(c));
|
98 | } |
99 | if (n == 1) ret invokeMethod(methods.get(0), f, args); |
100 | for i to n: {
|
101 | Method m = methods.get(i); |
102 | if (call_checkArgs(m, args, false)) |
103 | ret invokeMethod(m, f, args); |
104 | } |
105 | fail("No matching get method in " + getClassName(c));
|
106 | } |
107 | |
108 | // used internally |
109 | static ArrayList<Method> callF_makeCache(Class c) {
|
110 | new ArrayList<Method> l; |
111 | Class _c = c; |
112 | do {
|
113 | for (Method m : _c.getDeclaredMethods()) |
114 | if (m.getName().equals("get")) {
|
115 | makeAccessible(m); |
116 | l.add(m); |
117 | } |
118 | if (!l.isEmpty()) break; |
119 | _c = _c.getSuperclass(); |
120 | } while (_c != null); |
121 | callF_cache.put(c, l); |
122 | ret l; |
123 | } |
124 | |
125 | endifndef |
Began life as a copy of #1003313
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| Snippet ID: | #1003483 |
| Snippet name: | callF + safeCallF - call a Runnable, func, voidfunc or function name |
| Eternal ID of this version: | #1003483/43 |
| Text MD5: | 0553da4adea2061ac52bbb188d4c73d9 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2022-03-12 22:48:03 |
| Source code size: | 2664 bytes / 125 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 1112 / 2388 |
| Version history: | 42 change(s) |
| Referenced in: | [show references] |