go-pkg/expr
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ExprContext: new functions VarCount(), DeleteVar(), FuncCount(), DeleteFunc()

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This commit is contained in:
Celestino Amoroso 2024-07-13 08:59:15 +02:00
parent 8547248ea2
commit 905337f963
2 changed files with 23 additions and 0 deletions
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7
expr-context.go
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@ -14,8 +14,15 @@ type ExprContext interface {
GetLast() any
SetVar(varName string, value any)
UnsafeSetVar(varName string, value any)
EnumVars(func(name string) (accept bool)) (varNames []string)
VarCount() int
DeleteVar(varName string)
EnumFuncs(func(name string) (accept bool)) (funcNames []string)
FuncCount() int
DeleteFunc(funcName string)
GetFuncInfo(name string) (item ExprFunc, exists bool)
Call(name string, args []any) (result any, err error)
RegisterFuncInfo(info ExprFunc)

16
simple-store.go
View File

@ -132,6 +132,14 @@ func (ctx *SimpleStore) EnumVars(acceptor func(name string) (accept bool)) (varN
return
}
func (ctx *SimpleStore) VarCount() int {
return len(ctx.varStore)
}
func (ctx *SimpleStore) DeleteVar(varName string) {
delete(ctx.varStore, varName)
}
func (ctx *SimpleStore) GetFuncInfo(name string) (info ExprFunc, exists bool) {
info, exists = ctx.funcStore[name]
return
@ -163,6 +171,14 @@ func (ctx *SimpleStore) EnumFuncs(acceptor func(name string) (accept bool)) (fun
return
}
func (ctx *SimpleStore) FuncCount() int {
return len(ctx.funcStore)
}
func (ctx *SimpleStore) DeleteFunc(funcName string) {
delete(ctx.funcStore, funcName)
}
func (ctx *SimpleStore) Call(name string, args []any) (result any, err error) {
if info, exists := GetLocalFuncInfo(ctx, name); exists {
functor := info.Functor()