add input history

go.mod

@@ -7,7 +7,10 @@ require (
 	github.com/wadey/go-rounding v1.1.0
 )
 
-require github.com/joho/godotenv v1.5.1 // indirect
+require (
+	github.com/chzyer/readline v1.5.1 // indirect
+	github.com/joho/godotenv v1.5.1 // indirect
+)
 
 require (
 	github.com/gabriel-vasile/mimetype v1.4.2

go.sum

@@ -1,3 +1,7 @@
+github.com/chzyer/logex v1.2.1/go.mod h1:JLbx6lG2kDbNRFnfkgvh4eRJRPX1QCoOIWomwysCBrQ=
+github.com/chzyer/readline v1.5.1 h1:upd/6fQk4src78LMRzh5vItIt361/o4uq553V8B5sGI=
+github.com/chzyer/readline v1.5.1/go.mod h1:Eh+b79XXUwfKfcPLepksvw2tcLE/Ct21YObkaSkeBlk=
+github.com/chzyer/test v1.0.0/go.mod h1:2JlltgoNkt4TW/z9V/IzDdFaMTM2JPIi26O1pF38GC8=
 github.com/fatih/color v1.14.1 h1:qfhVLaG5s+nCROl1zJsZRxFeYrHLqWroPOQ8BWiNb4w=
 github.com/fatih/color v1.14.1/go.mod h1:2oHN61fhTpgcxD3TSWCgKDiH1+x4OiDVVGH8WlgGZGg=
 github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
@@ -19,6 +23,7 @@ golang.org/x/net v0.8.0 h1:Zrh2ngAOFYneWTAIAPethzeaQLuHwhuBkuV6ZiRnUaQ=
 golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210220050731-9a76102bfb43/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.3.0 h1:w8ZOecv6NaNa/zC8944JTU3vz4u6Lagfk4RPQxv92NQ=
 golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

src/input.go

@@ -1,23 +1,36 @@
 package main
 
 import (
-	"bufio"
 	"fmt"
+	"log"
 	"os"
 
+	"github.com/chzyer/readline"
 	"golang.org/x/term"
 )
 
-func input(args ...any) string {
+var tempFilePath = os.TempDir() + "/argon_input_history.tmp"
+
+func input(args ...any) (string, error) {
 	output := []any{}
 	for i := 0; i < len(args); i++ {
 		output = append(output, anyToArgon(args[i], false, true, 3, 0, true, 0))
 	}
-	fmt.Print(output...)
-	scanner := bufio.NewScanner(os.Stdin)
-	scanner.Scan()
-	input := scanner.Text()
-	return input
+	message := fmt.Sprint(output...)
+	rl, err := readline.NewEx(&readline.Config{
+		Prompt:            message,
+		HistoryFile:       tempFilePath,
+		HistorySearchFold: true,
+	})
+	if err != nil {
+		log.Fatalf("Failed to create readline instance: %v", err)
+	}
+	defer rl.Close()
+	line, err := rl.Readline()
+	if err != nil { // io.EOF or other error
+		return "", err
+	}
+	return line, nil
 }
 
 func getPassword(args ...any) (string, error) {
@@ -25,38 +38,21 @@ func getPassword(args ...any) (string, error) {
 	for i := 0; i < len(args); i++ {
 		output = append(output, anyToArgon(args[i], false, true, 3, 0, true, 0))
 	}
-	fmt.Print(output...)
-	password := []byte{}
-
-	oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
+	message := fmt.Sprint(output...)
+	rl, err := readline.NewEx(&readline.Config{
+		Prompt:     message,
+		MaskRune:   '*',
+		EnableMask: true,
+	})
 	if err != nil {
-		panic(err)
+		log.Fatalf("Failed to create readline instance: %v", err)
 	}
-	defer term.Restore(int(os.Stdin.Fd()), oldState)
-
-	for {
-		char := make([]byte, 1)
-		_, err := os.Stdin.Read(char)
-		if err != nil {
-			return "", err
-		}
-		if char[0] == 3 || char[0] == 4 {
-			return "", fmt.Errorf("keyboard interupt")
-		} else if char[0] == '\r' || char[0] == '\n' {
-			fmt.Println()
-			break
-		} else if char[0] == '\b' || char[0] == 127 {
-			if len(password) > 0 {
-				password = password[:len(password)-1]
-				fmt.Print("\b \b")
-			}
-		} else {
-			password = append(password, char[0])
-			fmt.Print("*")
-		}
+	defer rl.Close()
+	line, err := rl.Readline()
+	if err != nil { // io.EOF or other error
+		return "", err
 	}
-	fmt.Print("\r")
-	return string(password), nil
+	return line, nil
 }
 
 func pause() {

src/shell.go

@@ -3,22 +3,11 @@ package main
 import (
 	"fmt"
 	"os"
-	"os/signal"
 	"strings"
 )
 
 func shell(global ArObject) {
 	stack := stack{global, newscope()}
-	c := make(chan os.Signal, 1)
-	signal.Notify(c, os.Interrupt)
-	go func() {
-		for sig := range c {
-			if sig == os.Interrupt {
-				fmt.Println("\x1b[0m\n\x1b[32;240mBye :)\x1b[0m")
-				os.Exit(0)
-			}
-		}
-	}()
 	fmt.Print("\x1b[32;240mWelcome to the Argon v3!\x1b[0m\n\n")
 	for {
 		indent := 0
@@ -27,7 +16,12 @@ func shell(global ArObject) {
 		textBefore := ">>>"
 		for i := 1; indent > 0 || (previous != indent && indent >= 0) || i == 1; i++ {
 			indentStr := strings.Repeat("    ", indent)
-			code := indentStr + input("\x1b[38;240m"+textBefore+indentStr+" \x1b[0m\x1b[1;240m")
+			inp, err := input("\x1b[38;240m" + textBefore + indentStr + " \x1b[0m\x1b[1;240m")
+			if err != nil {
+				fmt.Println("\x1b[0m\n\x1b[32;240mBye :)\x1b[0m")
+				os.Exit(0)
+			}
+			code := indentStr + inp
 			fmt.Print("\x1b[0m")
 			totranslate = append(totranslate, UNPARSEcode{code, code, i, "<shell>"})
 			trimmed := strings.TrimSpace(code)

src/term-class.go

@@ -140,7 +140,15 @@ var ArInput = Map(
 			return ArString(resp), ArErr{}
 		}},
 		"__call__": builtinFunc{"input", func(args ...any) (any, ArErr) {
-			return input(args...), ArErr{}
+			inp, err := input(args...)
+			if err != nil {
+				return nil, ArErr{
+					TYPE:    "Runtime Error",
+					message: err.Error(),
+					EXISTS:  true,
+				}
+			}
+			return ArString(inp), ArErr{}
 		}},
 		"pause": builtinFunc{"pause", func(args ...any) (any, ArErr) {
 			pause()