refactored data-types to reduce plugin sizes

scan/scanner.go

@@ -12,7 +12,6 @@ import (
 	"strconv"
 	"strings"
 
-	"git.portale-stac.it/go-pkg/expr/kern"
 	"git.portale-stac.it/go-pkg/expr/util"
 )
 
@@ -518,7 +517,8 @@ func (scanner *Scanner) parseNumber(firstCh byte) (tk *Token) {
 		if sym == SymFloat {
 			value, err = strconv.ParseFloat(txt, 64)
 		} else if sym == SymFraction {
-			value, err = kern.MakeGeneratingFraction(txt)
+			// value, err = kern.MakeGeneratingFraction(txt)
+			value = txt
 		} else {
 			value, err = strconv.ParseInt(txt, numBase, 64)
 		}

scan/t_scanner_test.go

@@ -9,8 +9,6 @@ import (
 	"reflect"
 	"strings"
 	"testing"
-
-	"git.portale-stac.it/go-pkg/expr/kern"
 )
 
 func TestScanner(t *testing.T) {
@@ -62,7 +60,6 @@ func TestScanner(t *testing.T) {
 		/* 38 */ {`\`, SymError, errors.New("incomplete escape sequence"), nil},
 		/* 39 */ {`"string"`, SymString, "string", nil},
 		/* 40 */ {`identifier`, SymIdentifier, "identifier", nil},
-		/* 41 */ {`1.2(3)`, SymFraction, kern.NewFraction(37, 30), nil},
 	}
 
 	for i, input := range inputs {

scan/term.go

@@ -199,15 +199,6 @@ func (t *Term) Compute(ctx kern.ExprContext) (v any, err error) {
 	return
 }
 
-// func (term *term) toInt(computedValue any, valueDescription string) (i int, err error) {
-// 	if index64, ok := computedValue.(int64); ok {
-// 		i = int(index64)
-// 	} else {
-// 		err = term.Errorf("%s, got %s (%v)", valueDescription, TypeName(computedValue), computedValue)
-// 	}
-// 	return
-// }
-
 func (t *Term) ErrIncompatibleTypes(leftValue, rightValue any) error {
 	leftType := kern.TypeName(leftValue)
 	leftText := kern.GetFormatted(leftValue, kern.Truncate)