Merge pull request #15 from Eclalang/dev

Dev

README.md

@@ -7,9 +7,11 @@
 
 |   Func Name    |                   Prototype                   |                             Description                              |         Comments          |
 |:--------------:|:---------------------------------------------:|:--------------------------------------------------------------------:|:-------------------------:|
+|     Chmod      |     Chmod(name string, mode int) error {}     |                     Changes the mode of the file                     |            N/A            |
 |     Chown      |    Chown(path string, uid int, gid int) {}    |            Chown changes the owner and group of the file             | Does not work on Windows  |
 |    ClearEnv    |                 ClearEnv() {}                 |                   Clears all environment variables                   |            N/A            |
 |     Create     |            Create(name string) {}             |              Creates a file and returns the file object              |            N/A            |
+|      Exit      |               Exit(code int) {}               |                Exits the program with the given code                 |            N/A            |
 |    Getegid     |               Getegid() int {}                |          Gets the effective group ID of the calling process          |            N/A            |
 |     GetEnv     |         GetEnv(key string) string {}          |                   Returns an environment variable                    |            N/A            |
 |    Geteuid     |               Geteuid() int {}                |          Gets the effective user ID of the calling process           |            N/A            |

go.mod

@@ -1,3 +1,5 @@
 module github.com/Eclalang/os
 
-go 1.18
+go 1.21.1
+
+require github.com/Eclalang/Ecla v1.0.0

go.sum

@@ -0,0 +1,2 @@
+github.com/Eclalang/Ecla v1.0.0 h1:JrbxU5m6hWfJ8D5/xsqtbhWljOOetDdV6JzEU82/4Fc=
+github.com/Eclalang/Ecla v1.0.0/go.mod h1:0Nq24TRfBRBY5oKK+U2hpdzQV0rlisPQZ5nhBLNGxAU=

os.go

@@ -1,10 +1,25 @@
 package os
 
 import (
+	"github.com/Eclalang/Ecla/interpreter/eclaType"
 	"os"
 	"strings"
 )
 
+var Variables = map[string]eclaType.Type{}
+
+var exit = os.Exit
+var oldExit = os.Exit
+
+// Chmod changes the mode of the file
+func Chmod(name string, mode int) error {
+	err := os.Chmod(name, os.FileMode(mode))
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 // Chown changes the owner and group of the file
 func Chown(path string, uid int, gid int) {
 	os.Chown(path, uid, gid)
@@ -25,6 +40,17 @@ func Create(name string) {
 	return
 }
 
+// Exit exits the program with the given code
+func Exit(code int) {
+	exit(code)
+}
+
+// hookExit is used for testing purpose it hooks the eclaExit variable to the function passed as parameter
+func hookExit(f func(int)) {
+	oldExit = exit
+	exit = f
+}
+
 // Getegid gets the effective group ID of the calling process
 func Getegid() int {
 	return os.Getegid()
@@ -115,6 +141,11 @@ func RemoveAll(path string) {
 	os.RemoveAll(path)
 }
 
+// restoreExit is used for testing purpose it restore the hook of eclaExit
+func restoreExit() {
+	exit = oldExit
+}
+
 // SetEnv sets an environment variable
 func SetEnv(key string, value string) {
 	os.Setenv(key, value)

os_test.go

@@ -6,6 +6,20 @@ import (
 	"testing"
 )
 
+func TestChmod(t *testing.T) {
+	// Test working mode
+	err := Chmod("unit_test_files/test.txt", 0644)
+	if err != nil {
+		t.Errorf("Expected nil, got %v", err)
+	}
+
+	// Test error
+	err = Chmod("unit_test_files/test.t", 0724)
+	if err == nil {
+		t.Errorf("Expected an error, got nil")
+	}
+}
+
 func TestChown(t *testing.T) {
 	oldUid := Getuid()
 	oldGid := Getgid()
@@ -56,6 +70,19 @@ func TestCreate(t *testing.T) {
 	}
 }
 
+func TestExit(t *testing.T) {
+	var ok bool
+	exit = func(code int) {
+		ok = code == 1
+	}
+	hookExit(exit)
+	Exit(1)
+	restoreExit()
+	if !ok {
+		t.Errorf("Exit() did not panic")
+	}
+}
+
 func TestGetegid(t *testing.T) {
 	expected := os.Getegid()
 	actual := Getegid()