go-pkg/expr
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control.go: use of UnsafeSetVar() in place of SetVar(). SetCtrl() added

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This commit is contained in:
Celestino Amoroso 2024-06-25 10:53:05 +02:00
parent 0760141caf
commit cfddbd60b9
1 changed files with 10 additions and 3 deletions
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13
control.go
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@ -11,6 +11,7 @@ const (
ControlBoolShortcut = "_bool_shortcut"
ControlSearchPath = "_search_path"
ControlParentContext = "_parent_context"
ControlStdout = "_stdout"
)
// Other control variables
@ -23,11 +24,17 @@ const (
init_search_path = "~/.local/lib/go-pkg/expr:/usr/local/lib/go-pkg/expr:/usr/lib/go-pkg/expr"
)
func SetCtrl(ctx ExprContext, name string, value any) (current any) {
current, _ = ctx.GetVar(name)
ctx.UnsafeSetVar(name, value)
return
}
func initDefaultVars(ctx ExprContext) {
if _, exists := ctx.GetVar(ControlPreset); exists {
return
}
ctx.SetVar(ControlPreset, true)
ctx.SetVar(ControlBoolShortcut, true)
ctx.SetVar(ControlSearchPath, init_search_path)
ctx.UnsafeSetVar(ControlPreset, true)
ctx.UnsafeSetVar(ControlBoolShortcut, true)
ctx.UnsafeSetVar(ControlSearchPath, init_search_path)
}