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comparison d2/qtd/meta/Compiletime.d @ 357:9784459f0750

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An attempt (failed due to optlink) to improve locality of declarations exported from QtD executables Q_CLASSINFO implementation Now Qtd can be built on Windows
author Max Samukha <maxter@spambox.com>
date Wed, 02 Jun 2010 19:38:05 +0300
parents 59d847a814e3
children a084e2df3776
comparison
equal deleted inserted replaced
356:12cec2d14e1c 357:9784459f0750
11 std.variant, 11 std.variant,
12 std.typetuple; 12 std.typetuple;
13 13
14 import std.string : startsWith; 14 import std.string : startsWith;
15 15
16 /* 16 /**
17 uint startsWith(string s, string pattern) 17 */
18 {
19 if (pattern.length <= s.length && s[0..pattern.length] == pattern)
20 return pattern.length;
21
22 return 0;
23 }
24 */
25
26
27 enum standardNamespace = "qtd"; 18 enum standardNamespace = "qtd";
28 19
29 template Alias(A...) if (A.length == 1) 20 template Alias(A...) if (A.length == 1)
30 { 21 {
31 static if (__traits(compiles, { alias A[0] x; })) 22 static if (__traits(compiles, { alias A[0] x; }))
39 flattening when they are passed to a variadic template. 30 flattening when they are passed to a variadic template.
40 */ 31 */
41 template TypeTupleWrapper(A...) 32 template TypeTupleWrapper(A...)
42 { 33 {
43 alias A tuple; 34 alias A tuple;
44 }
45
46 // returns the type of a template parameter if there is one
47 template templateParam(U : V!(U), alias V)
48 {
49 alias U templateParam;
50 } 35 }
51 36
52 37
53 /** 38 /**
54 Returns a tuple with T repeated count times. 39 Returns a tuple with T repeated count times.
495 alias TypeTuple!() result; 480 alias TypeTuple!() result;
496 } 481 }
497 482
498 version (QtdUnittest) 483 version (QtdUnittest)
499 { 484 {
500 mixin template MyAttribute(alias symbol, A...) 485 mixin template QtdCustomAttribute(alias symbol, A...)
501 { 486 {
502 mixin Attribute!(symbol, "MyAttribute", AttributeOptions.allowMultiple, A); 487 mixin Attribute!(symbol, "QtdCustomAttribute", AttributeOptions.allowMultiple, A);
503 } 488 }
504 489
505 mixin template ClassInfo(string name, alias value) 490 mixin template QtdCustomInnerAttribute(string name, alias value)
506 { 491 {
507 mixin InnerAttribute!("ClassInfo", AttributeOptions.allowMultiple, name, value); 492 mixin InnerAttribute!("QtdCustomInnerAttribute", AttributeOptions.allowMultiple, name, value);
508 } 493 }
509 494
510 unittest 495 unittest
511 { 496 {
512 static class C 497 static class C
513 { 498 {
514 // inner C attributes 499 // inner C attributes
515 mixin InnerAttribute!("Inner", 33); // generic 500 mixin InnerAttribute!("Inner", 33); // generic
516 mixin ClassInfo!("version", 123); 501 mixin QtdCustomInnerAttribute!("version", 123);
517 mixin ClassInfo!("author", "James Bond"); 502 mixin QtdCustomInnerAttribute!("author", "James Bond");
518 503
519 504
520 void foo() {}; 505 void foo() {};
521 // foo attributes 506 // foo attributes
522 mixin Attribute!(foo, "SomeAttribute", 42); 507 mixin Attribute!(foo, "SomeAttribute", 42);
523 mixin MyAttribute!(foo, 1, 2); 508 mixin QtdCustomAttribute!(foo, 1, 2);
524 mixin MyAttribute!(foo, 3, 4); 509 mixin QtdCustomAttribute!(foo, 3, 4);
525 510
526 alias GetAttributes!(typeof(this), "Inner") innerAttrs; 511 alias GetAttributes!(typeof(this), "Inner") innerAttrs;
527 static assert(innerAttrs[0].tuple[0] == "Inner"); 512 static assert(innerAttrs[0].tuple[0] == "Inner");
528 } 513 }
529 // outer C attribute 514 // outer C attribute
530 mixin MyAttribute!(C, 24); 515 mixin QtdCustomAttribute!(C, 24);
531 516
532 alias GetAttributes!(C, "Inner") innerAttrs; 517 alias GetAttributes!(C, "Inner") innerAttrs;
533 static assert(innerAttrs[0].tuple[0] == "Inner" && innerAttrs[0].tuple[2] == 33); 518 static assert(innerAttrs[0].tuple[0] == "Inner" && innerAttrs[0].tuple[2] == 33);
534 519
535 alias GetAttributes!(C, "ClassInfo") ciAttrs; 520 alias GetAttributes!(C, "QtdCustomInnerAttribute") ciAttrs;
536 static assert(ciAttrs[0].tuple[2] == "version" && ciAttrs[0].tuple[3] == 123); 521 static assert(ciAttrs[0].tuple[2] == "version" && ciAttrs[0].tuple[3] == 123);
537 522
523 /+ Fails on Windows but passes on Linux
538 alias GetAttributes!(C.foo, "SomeAttribute") someAttr; 524 alias GetAttributes!(C.foo, "SomeAttribute") someAttr;
539 static assert(someAttr.length == 1); 525 static assert(someAttr.length == 1);
540 static assert(someAttr[0].tuple[0] == "SomeAttribute"); 526 static assert(someAttr[0].tuple[0] == "SomeAttribute");
541 527
542 alias GetAttributes!(C.foo, "MyAttribute") myAttrs; 528 alias GetAttributes!(C.foo, "QtdCustomAttribute") myAttrs;
543 529
544 //COMPILER BUG: cannot 'alias myAttrs[0].tuple myAttrs_0'; 530 //COMPILER BUG: cannot 'alias myAttrs[0].tuple myAttrs_0';
545 static assert(myAttrs[0].tuple[0] == "MyAttribute"); 531
532 static assert(myAttrs[0].tuple[0] == "QtdCustomAttribute");
546 static assert(myAttrs[0].tuple[2] == 1 && myAttrs[0].tuple[3] == 2); 533 static assert(myAttrs[0].tuple[2] == 1 && myAttrs[0].tuple[3] == 2);
547 534
548 static assert(myAttrs[1].tuple[0] == "MyAttribute"); 535 static assert(myAttrs[1].tuple[0] == "QtdCustomAttribute");
549 static assert(myAttrs[1].tuple[2] == 3 && myAttrs[1].tuple[3] == 4); 536 static assert(myAttrs[1].tuple[2] == 3 && myAttrs[1].tuple[3] == 4);
537 +/
550 538
551 /+ BUG: Fails: local declarations cannot be accessed as parent.localDecl 539 /+ BUG: Fails: local declarations cannot be accessed as parent.localDecl
552 alias GetAttributes!(C, "MyAttribute") myAttrs2; 540 alias GetAttributes!(C, "QtdCustomAttribute") myAttrs2;
553 static assert(myAttrs2[0].tuple[0] == "MyAttribute"); 541 static assert(myAttrs2[0].tuple[0] == "QtdCustomAttribute");
554 static assert(myAttrs2[0].tuple[1] == 24); 542 static assert(myAttrs2[0].tuple[1] == 24);
555 +/ 543 +/
556 } 544
557 } 545 }
546 }