Merge pull request #111 from Flipez/add-os-module

move exit and raise to os module

docs/docs/builtins/OS.md

@@ -0,0 +1,36 @@
+# OS
+
+
+
+
+## Module Function
+
+### exit(INTEGER)
+> Returns ``
+
+Terminates the program with the given exit code.
+
+
+```js
+🚀 > OS.exit(1)
+exit status 1
+```
+
+
+### raise(INTEGER, STRING)
+> Returns ``
+
+Terminates the program with the given exit code and prints the error message.
+
+
+```js
+🚀 > OS.raise(1, "broken")
+🔥 RocketLang raised an error: "broken"
+exit status 1
+```
+
+
+
+## Properties
+| Name | Value |
+| ---- | ----- |

docs/docs/specification/builtins.md

@@ -6,25 +6,6 @@ menu:
 toc: true
 ---
 # Builtin Functions
-## exit(INTEGER)
-
-Terminates the program with the given exit code.
-
-```js
-🚀 > exit(1)
-exit status 1
-```
-
-## raise(INTEGER, STRING)
-
-Terminates the program with the given exit code and prints the error message.
-
-```js
-🚀 > raise(1, "broken")
-🔥 RocketLang raised an error: "broken"
-exit status 1
-```
-
 ## puts(STRING|ARRAY|HASH|BOOLEAN|INTEGER|NIL|FILE)
 
 Prints the string representation of the given object to STDOUT.

evaluator/evaluator_test.go

@@ -371,11 +371,11 @@ func TestBuiltinFunctions(t *testing.T) {
 		expected interface{}
 	}{
 		{`puts("test")`, nil},
-		{`raise("Error")`, "to few arguments: got=1, want=2"},
-		{`raise("Error", 1)`, "wrong argument type on position 1: got=STRING, want=INTEGER"},
-		{`raise(1, 1)`, "wrong argument type on position 2: got=INTEGER, want=STRING"},
-		{`exit()`, "to few arguments: got=0, want=1"},
-		{`exit("Error")`, "wrong argument type on position 1: got=STRING, want=INTEGER"},
+		{`OS.raise("Error")`, "to few arguments: got=1, want=2"},
+		{`OS.raise("Error", 1)`, "wrong argument type on position 1: got=STRING, want=INTEGER"},
+		{`OS.raise(1, 1)`, "wrong argument type on position 2: got=INTEGER, want=STRING"},
+		{`OS.exit()`, "to few arguments: got=0, want=1"},
+		{`OS.exit("Error")`, "wrong argument type on position 1: got=STRING, want=INTEGER"},
 		{`IO.open()`, "to few arguments: got=0, want=1"},
 		{`IO.open(1, "r", "0644")`, "wrong argument type on position 1: got=INTEGER, want=STRING"},
 		{`IO.open("fixtures/module.rl", 1, "0644")`, "wrong argument type on position 2: got=INTEGER, want=STRING"},

stdlib/os.go

@@ -0,0 +1,48 @@
+package stdlib
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/flipez/rocket-lang/object"
+)
+
+var osFunctions = map[string]*object.BuiltinFunction{}
+var osProperties = map[string]*object.BuiltinProperty{}
+
+func init() {
+	osFunctions["exit"] = object.NewBuiltinFunction(
+		"exit",
+		object.MethodLayout{
+			Description: "Terminates the program with the given exit code.",
+			ArgPattern: object.Args(
+				object.Arg(object.INTEGER_OBJ),
+			),
+			Example: `🚀 > OS.exit(1)
+exit status 1`,
+		},
+		func(_ object.Environment, args ...object.Object) object.Object {
+			os.Exit(int(args[0].(*object.Integer).Value))
+
+			return nil
+		})
+
+	osFunctions["raise"] = object.NewBuiltinFunction(
+		"raise",
+		object.MethodLayout{
+			Description: "Terminates the program with the given exit code and prints the error message.",
+			ArgPattern: object.Args(
+				object.Arg(object.INTEGER_OBJ),
+				object.Arg(object.STRING_OBJ),
+			),
+			Example: `🚀 > OS.raise(1, "broken")
+🔥 RocketLang raised an error: "broken"
+exit status 1`,
+		},
+		func(_ object.Environment, args ...object.Object) object.Object {
+			fmt.Printf("🔥 RocketLang raised an error: %s\n", args[1].Inspect())
+			os.Exit(int(args[0].(*object.Integer).Value))
+
+			return nil
+		})
+}

stdlib/std.go

@@ -9,13 +9,12 @@ var Modules = map[string]*object.BuiltinModule{}
 
 func init() {
 	RegisterFunction("puts", object.MethodLayout{ArgPattern: object.Args(object.Arg(object.ANY_OBJ...))}, putsFunction)
-	RegisterFunction("exit", object.MethodLayout{ArgPattern: object.Args(object.Arg(object.INTEGER_OBJ))}, exitFunction)
-	RegisterFunction("raise", object.MethodLayout{ArgPattern: object.Args(object.Arg(object.INTEGER_OBJ), object.Arg(object.STRING_OBJ))}, raiseFunction)
 
 	RegisterModule("Math", "", mathFunctions, mathProperties)
 	RegisterModule("HTTP", "", httpFunctions, httpProperties)
 	RegisterModule("JSON", "", jsonFunctions, jsonProperties)
 	RegisterModule("IO", "", ioFunctions, ioProperties)
+	RegisterModule("OS", "", osFunctions, osProperties)
 }
 
 func RegisterFunction(name string, layout object.MethodLayout, function func(object.Environment, ...object.Object) object.Object) {