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proc: save location expr and decl line for escaped variables (#1553)

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Copy the location expression and declaration line of escaped variables
when auto-dereferencing them.
This commit is contained in:
Alessandro Arzilli
2019-05-23 22:07:13 +02:00
committed by Derek Parker
parent c30a333f7b
commit 04834a781a
1 changed files with 4 additions and 0 deletions
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4
pkg/proc/variables.go
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@ -2287,12 +2287,16 @@ func (scope *EvalScope) Locals() ([]*Variable, error) {
for i, v := range vars { for i, v := range vars {
if name := v.Name; len(name) > 1 && name[0] == '&' { if name := v.Name; len(name) > 1 && name[0] == '&' {
locationExpr := v.LocationExpr
declLine := v.DeclLine
v = v.maybeDereference() v = v.maybeDereference()
if v.Addr == 0 { if v.Addr == 0 {
v.Unreadable = fmt.Errorf("no address for escaped variable") v.Unreadable = fmt.Errorf("no address for escaped variable")
} }
v.Name = name[1:] v.Name = name[1:]
v.Flags |= VariableEscaped v.Flags |= VariableEscaped
v.LocationExpr = locationExpr + " (escaped)"
v.DeclLine = declLine
vars[i] = v vars[i] = v
} }
if hasScopes { if hasScopes {