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Use of uninitialized variables in lambdas / object literals / local functions is forbidden now #KT-4475 Fixed

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Local declarations CFA: variable initialization information before them is now taken into account
This commit is contained in:
Mikhail Glukhikh
2015-11-11 13:05:40 +03:00
parent 89791dc85c
commit fe13f39de9
26 changed files with 245 additions and 105 deletions
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compiler/testData/cfg-variables/basic/UsageInFunctionLiteral.instructions
Vendored
+11 -11
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@@ -34,27 +34,27 @@ sink:
}
---------------------
L3:
3 <START> INIT: in: {} out: {}
v(x: Int) INIT: in: {} out: {x=D}
magic[FAKE_INITIALIZER](x: Int) -> <v0> INIT: in: {x=D} out: {x=D}
w(x|<v0>) INIT: in: {x=D} out: {x=ID}
4 mark(val y = x + a use(a)) INIT: in: {x=ID} out: {x=ID}
v(val y = x + a) INIT: in: {x=ID} out: {x=ID, y=D} USE: in: {a=READ, x=READ} out: {a=READ, x=READ}
r(x) -> <v1> INIT: in: {x=ID, y=D} out: {x=ID, y=D} USE: in: {a=READ} out: {a=READ, x=READ}
3 <START> INIT: in: {a=ID, f=D} out: {a=ID, f=D}
v(x: Int) INIT: in: {a=ID, f=D} out: {a=ID, f=D, x=D}
magic[FAKE_INITIALIZER](x: Int) -> <v0> INIT: in: {a=ID, f=D, x=D} out: {a=ID, f=D, x=D}
w(x|<v0>) INIT: in: {a=ID, f=D, x=D} out: {a=ID, f=D, x=ID}
4 mark(val y = x + a use(a)) INIT: in: {a=ID, f=D, x=ID} out: {a=ID, f=D, x=ID}
v(val y = x + a) INIT: in: {a=ID, f=D, x=ID} out: {a=ID, f=D, x=ID, y=D} USE: in: {a=READ, x=READ} out: {a=READ, x=READ}
r(x) -> <v1> INIT: in: {a=ID, f=D, x=ID, y=D} out: {a=ID, f=D, x=ID, y=D} USE: in: {a=READ} out: {a=READ, x=READ}
r(a) -> <v2>
mark(x + a)
call(x + a, plus|<v1>, <v2>) -> <v3>
w(y|<v3>) INIT: in: {x=ID, y=D} out: {x=ID, y=ID} USE: in: {a=READ} out: {a=READ}
r(a) -> <v4> INIT: in: {x=ID, y=ID} out: {x=ID, y=ID} USE: in: {} out: {a=READ}
w(y|<v3>) INIT: in: {a=ID, f=D, x=ID, y=D} out: {a=ID, f=D, x=ID, y=ID} USE: in: {a=READ} out: {a=READ}
r(a) -> <v4> INIT: in: {a=ID, f=D, x=ID, y=ID} out: {a=ID, f=D, x=ID, y=ID} USE: in: {} out: {a=READ}
mark(use(a))
call(use(a), use|<v4>) -> <v5>
3 ret(*|<v5>) L4 INIT: in: {x=ID} out: {x=ID}
3 ret(*|<v5>) L4 INIT: in: {a=ID, f=D, x=ID} out: {a=ID, f=D, x=ID}
L4:
<END>
error:
<ERROR> INIT: in: {} out: {}
sink:
<SINK> INIT: in: {x=ID} out: {x=ID} USE: in: {} out: {}
<SINK> INIT: in: {a=ID, f=D, x=ID} out: {a=ID, f=D, x=ID} USE: in: {} out: {}
=====================
== use ==
fun use(vararg a: Any?) = a