49 lines
952 B
Go
49 lines
952 B
Go
// +build ignore
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package main
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// Test of context-sensitive treatment of certain function calls,
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// e.g. static calls to simple accessor methods.
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var a, b int
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type T struct{ x *int }
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func (t *T) SetX(x *int) { t.x = x }
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func (t *T) GetX() *int { return t.x }
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func context1() {
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var t1, t2 T
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t1.SetX(&a)
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t2.SetX(&b)
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print(t1.GetX()) // @pointsto main.a
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print(t2.GetX()) // @pointsto main.b
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}
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func context2() {
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id := func(x *int) *int {
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print(x) // @pointsto main.a | main.b
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return x
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}
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print(id(&a)) // @pointsto main.a
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print(id(&b)) // @pointsto main.b
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// Same again, but anon func has free vars.
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var c int // @line context2c
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id2 := func(x *int) (*int, *int) {
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print(x) // @pointsto main.a | main.b
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return x, &c
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}
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p, q := id2(&a)
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print(p) // @pointsto main.a
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print(q) // @pointsto c@context2c:6
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r, s := id2(&b)
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print(r) // @pointsto main.b
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print(s) // @pointsto c@context2c:6
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}
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func main() {
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context1()
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context2()
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}
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