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142 lines
3.2 KiB
D
142 lines
3.2 KiB
D
/*
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TEST_OUTPUT:
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---
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fail_compilation/fail_scope.d(43): Error: returning `cast(char[])string` escapes a reference to local variable `string`
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fail_compilation/fail_scope.d(61): Error: returning `s.bar()` escapes a reference to local variable `s`
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fail_compilation/fail_scope.d(72): Error: `fail_scope.foo8` called with argument types `(int)` matches multiple overloads exactly:
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fail_compilation/fail_scope.d(66): `fail_scope.foo8(ref int x)`
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and:
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fail_compilation/fail_scope.d(67): `fail_scope.foo8(return ref int x)`
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fail_compilation/fail_scope.d(80): Error: returning `& string` escapes a reference to local variable `string`
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fail_compilation/fail_scope.d(90): Error: returning `cast(int[])a` escapes a reference to local variable `a`
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fail_compilation/fail_scope.d(98): Error: returning `cast(int[])a` escapes a reference to local variable `a`
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fail_compilation/fail_scope.d(106): Error: escaping reference to outer local variable `x`
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fail_compilation/fail_scope.d(135): Error: returning `foo16226(i)` escapes a reference to local variable `i`
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---
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//fail_compilation/fail_scope.d(35): Error: scope variable `da` may not be returned
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//fail_compilation/fail_scope.d(37): Error: scope variable `o` may not be returned
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//fail_compilation/fail_scope.d(38): Error: scope variable `dg` may not be returned
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//fail_compilation/fail_scope.d(40): Error: scope variable `p` may not be returned
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*/
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alias int delegate() dg_t;
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int[] checkEscapeScope1(scope int[] da) { return da; }
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int[3] checkEscapeScope2(scope int[3] sa) { return sa; }
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Object checkEscapeScope3(scope Object o) { return o; }
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dg_t checkEscapeScope4(scope dg_t dg) { return dg; }
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int[] checkEscapeScope1() { scope int[] da = []; return da; }
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int[3] checkEscapeScope2() { scope int[3] sa = [1,2,3]; return sa; }
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Object checkEscapeScope3() { scope Object o = new Object; return o; } // same with fail7294.d
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dg_t checkEscapeScope4() { scope dg_t dg = () => 1; return dg; }
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int* test(scope int* p) @safe { return p; }
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char[] foo140()
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{
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char[4] string = "abcd";
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return string;
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}
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/************/
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struct S
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{
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int x;
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ref int bar() return
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{
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return x;
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}
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}
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ref int test()
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{
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S s;
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return s.bar();
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}
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/************/
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ref int foo8(ref int x);
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ref int foo8(return ref int x);
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void testover()
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{
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int x;
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foo8(x);
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}
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/************/
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char* fail141()
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{
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char[4] string = "abcd";
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return string.ptr;
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}
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/************/
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int[] test1313b()
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out{}
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do
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{
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int[2] a;
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return a;
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}
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int[] test1313a()
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//out{}
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do
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{
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int[2] a;
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return a;
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}
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/******************/
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// https://issues.dlang.org/show_bug.cgi?id=15192
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ref int fun15192(ref int x) @safe
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{
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ref int bar(){ return x; }
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return bar();
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}
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ref int fun15192_2(return ref int x) @safe
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{
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ref int bar(){ return x; }
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return bar();
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}
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/**************************/
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// https://issues.dlang.org/show_bug.cgi?id=15193
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ref int foo15193()@safe{
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struct S{
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int x;
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ref int bar() { return x; }
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}
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S s;
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return s.bar();
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}
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/*****************************/
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// https://issues.dlang.org/show_bug.cgi?id=16226
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ref int test16226() @safe
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{
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int i;
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return foo16226(i);
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}
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ref foo16226(ref int bar) @safe
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{
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return bar;
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}
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