go-pkg/expr
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Added utility function GetLast() to context

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This commit is contained in:
Celestino Amoroso 2024-06-17 06:56:32 +02:00
parent ba479a1b99
commit 703ecf6829
2 changed files with 8 additions and 1 deletions
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1
context.go
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@ -40,6 +40,7 @@ type ExprContext interface {
SetParent(ctx ExprContext) SetParent(ctx ExprContext)
GetParent() (ctx ExprContext) GetParent() (ctx ExprContext)
GetVar(varName string) (value any, exists bool) GetVar(varName string) (value any, exists bool)
GetLast() any
SetVar(varName string, value any) SetVar(varName string, value any)
UnsafeSetVar(varName string, value any) UnsafeSetVar(varName string, value any)
EnumVars(func(name string) (accept bool)) (varNames []string) EnumVars(func(name string) (accept bool)) (varNames []string)

6
simple-store.go
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@ -50,6 +50,7 @@ func (ctx *SimpleStore) Merge(src ExprContext) {
ctx.funcStore[name], _ = src.GetFuncInfo(name) ctx.funcStore[name], _ = src.GetFuncInfo(name)
} }
} }
/* /*
func varsCtxToBuilder(sb *strings.Builder, ctx ExprContext, indent int) { func varsCtxToBuilder(sb *strings.Builder, ctx ExprContext, indent int) {
sb.WriteString("vars: {\n") sb.WriteString("vars: {\n")
@ -165,6 +166,11 @@ func (ctx *SimpleStore) GetVar(varName string) (v any, exists bool) {
return return
} }
func (ctx *SimpleStore) GetLast() (v any) {
v = ctx.varStore["last"]
return
}
func (ctx *SimpleStore) UnsafeSetVar(varName string, value any) { func (ctx *SimpleStore) UnsafeSetVar(varName string, value any) {
// fmt.Printf("[%p] setVar(%v, %v)\n", ctx, varName, value) // fmt.Printf("[%p] setVar(%v, %v)\n", ctx, varName, value)
ctx.varStore[varName] = value ctx.varStore[varName] = value