Improved Windows DLL calls

src/core/CompileCall.go

@@ -1,9 +1,12 @@
 package core
 
 import (
+	"fmt"
+
 	"git.akyoto.dev/cli/q/src/asm"
 	"git.akyoto.dev/cli/q/src/errors"
 	"git.akyoto.dev/cli/q/src/expression"
+	"git.akyoto.dev/cli/q/src/os/windows"
 	"git.akyoto.dev/cli/q/src/types"
 )
 
@@ -31,7 +34,22 @@ func (f *Function) CompileCall(root *expression.Expression) (*Function, error) {
 		name = nameNode.Children[1].Token.Text(f.File.Bytes)
 	}
 
-	if pkg != f.File.Package {
+	if pkg == "kernel32" || pkg == "user32" || pkg == "gdi32" || pkg == "comctl32" {
+		parameters := root.Children[1:]
+		registers := windows.X64InputRegisters[:len(parameters)]
+
+		for i := len(parameters) - 1; i >= 0; i-- {
+			_, err := f.ExpressionToRegister(parameters[i], registers[i])
+
+			if err != nil {
+				return nil, err
+			}
+		}
+
+		f.DLLs = f.DLLs.Append(pkg, name)
+		f.DLLCall(fmt.Sprintf("%s.%s", pkg, name))
+		return nil, nil
+	} else if pkg != f.File.Package {
 		if f.File.Imports == nil {
 			return nil, errors.New(&errors.UnknownPackage{Name: pkg}, f.File, nameNode.Token.Position)
 		}