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b5b4b48c94
* [C++] Member pragma RFC #530 rebase devel * changes the test so `echo` is not used before Nim is init * rebase devel * fixes Error: use explicit initialization of X for clarity [Uninit]
54 lines
1017 B
Nim
54 lines
1017 B
Nim
discard """
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targets: "cpp"
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cmd: "nim cpp $file"
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output: '''
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2
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false
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hello foo
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hello boo
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hello boo
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destructing
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destructing
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'''
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"""
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proc print(s: cstring) {.importcpp:"printf(@)", header:"<stdio.h>".}
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type
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Doo {.exportc.} = object
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test: int
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proc memberProc(f: Doo) {.exportc, member.} =
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echo $f.test
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proc destructor(f: Doo) {.member: "~'1()", used.} =
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print "destructing\n"
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proc `==`(self, other: Doo): bool {.member:"operator==('2 const & #2) const -> '0"} =
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self.test == other.test
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let doo = Doo(test: 2)
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doo.memberProc()
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echo doo == Doo(test: 1)
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#virtual
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proc newCpp*[T](): ptr T {.importcpp:"new '*0()".}
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type
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Foo = object of RootObj
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FooPtr = ptr Foo
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Boo = object of Foo
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BooPtr = ptr Boo
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proc salute(self: FooPtr) {.member: "virtual $1()".} =
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echo "hello foo"
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proc salute(self: BooPtr) {.member: "virtual $1()".} =
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echo "hello boo"
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let foo = newCpp[Foo]()
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let boo = newCpp[Boo]()
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let booAsFoo = cast[FooPtr](newCpp[Boo]())
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foo.salute()
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boo.salute()
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booAsFoo.salute()
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