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The function parameter model has been modified to support the passing of named parameters

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This commit is contained in:
Celestino Amoroso
2024-07-28 18:49:08 +02:00
parent ab06702e5e
commit 9070b5c9cc
34 changed files with 520 additions and 347 deletions
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builtin-fmt.go
+16 -10
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@@ -21,27 +21,33 @@ func getStdout(ctx ExprContext) io.Writer {
return w
}
func printFunc(ctx ExprContext, name string, args []any) (result any, err error) {
var n int
if n, err = fmt.Fprint(getStdout(ctx), args...); err == nil {
result = int64(n)
func printFunc(ctx ExprContext, name string, args map[string]any) (result any, err error) {
var n int = 0
if v, exists := args[ParamItem]; exists && v != nil {
argv := v.([]any)
n, err = fmt.Fprint(getStdout(ctx), argv...)
}
result = int64(n)
return
}
func printLnFunc(ctx ExprContext, name string, args []any) (result any, err error) {
var n int
if n, err = fmt.Fprintln(getStdout(ctx), args...); err == nil {
result = int64(n)
func printLnFunc(ctx ExprContext, name string, args map[string]any) (result any, err error) {
var n int = 0
if v, exists := args[ParamItem]; exists && v != nil {
argv := v.([]any)
n, err = fmt.Fprintln(getStdout(ctx), argv...)
} else {
n, err = fmt.Fprintln(getStdout(ctx))
}
result = int64(n)
return
}
func ImportFmtFuncs(ctx ExprContext) {
ctx.RegisterFunc("print", NewGolangFunctor(printFunc), TypeInt, []ExprFuncParam{
ctx.RegisterFunc("print", NewGolangFunctor2(printFunc), TypeInt, []ExprFuncParam{
NewFuncParamFlag(ParamItem, PfRepeat),
})
ctx.RegisterFunc("println", NewGolangFunctor(printLnFunc), TypeInt, []ExprFuncParam{
ctx.RegisterFunc("println", NewGolangFunctor2(printLnFunc), TypeInt, []ExprFuncParam{
NewFuncParamFlag(ParamItem, PfRepeat),
})
}