go-vise

commit c56f6c63f6ac730f6745e45020b51614e6f5e48f
parent aa25412557ade7364fe82a5beea5f1c565e058b3
Author: lash <dev@holbrook.no>
Date:   Mon, 26 Aug 2024 22:41:30 +0100

Add missing file

Diffstat:
A
asm/flag.go
 | 
61
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M
dev/asm/main.go
 | 
1
-

2 files changed, 61 insertions(+), 1 deletion(-)
diff --git a/asm/flag.go b/asm/flag.go
@@ -0,0 +1,61 @@
+package asm
+
+import (
+	"encoding/csv"
+	"fmt"
+	"io"
+	"os"
+	"strconv"
+)
+
+type FlagParser struct {
+	flags map[string]string
+}
+
+func NewFlagParser() *FlagParser {
+	return &FlagParser{
+		flags: make(map[string]string),
+	}
+}
+
+func(pp *FlagParser) Get(key string) (string, error) {
+	v, ok := pp.flags[key]
+	if !ok {
+		return "", fmt.Errorf("no flag registered under key: %s", key)
+	}
+	return v, nil
+}
+
+func(pp *FlagParser) Load(fp string) (int, error) {
+	var i int
+	f, err := os.Open(fp)
+	if err != nil {
+		return 0, err
+	}
+	defer f.Close()
+	r := csv.NewReader(f)
+	for i = 0; true; i++ {
+		r, err := r.Read()
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			return 0, err
+		}
+		if r[0] == "flag" {
+			if len(r) < 3 {
+				return 0, fmt.Errorf("Not enough fields for flag setting in line %d", i)
+			}
+			_, err = strconv.Atoi(r[2])
+			if err != nil {
+				return 0, fmt.Errorf("Flag translation value must be numeric")
+			}
+			pp.flags[r[1]] = r[2]
+			Logg.Debugf("added flag translation", "from", r[1], "to", r[2])
+		}
+	}	
+
+	return i, nil
+}
+
+
diff --git a/dev/asm/main.go b/dev/asm/main.go
@@ -20,7 +20,6 @@ type arg struct {
 	One *string `(@Sym | @NumFirst)`
 	Two *string `((@Sym | @NumFirst) Whitespace?)?`
 	Three *string `((@Sym | @NumFirst) Whitespace?)?`
-	//Desc *string `(Quote ((@Sym | @Size) @Whitespace?)+ Quote Whitespace?)?`
 }
 
 type instruction struct {