Added types

src/build/core/CompileCall.go

@@ -12,12 +12,14 @@ import (
 // All call registers must hold the correct parameter values before the function invocation.
 // Registers that are in use must be saved if they are modified by the function.
 // After the function call, they must be restored in reverse order.
-func (f *Function) CompileCall(root *expression.Expression) error {
+func (f *Function) CompileCall(root *expression.Expression) (*Function, error) {
 	var (
 		pkg      = f.Package
 		nameRoot = root.Children[0]
+		fn       *Function
 		name     string
 		fullName string
+		exists   bool
 	)
 
 	if nameRoot.IsLeaf() {
@@ -32,13 +34,13 @@ func (f *Function) CompileCall(root *expression.Expression) error {
 	if !isSyscall {
 		if pkg != f.File.Package {
 			if f.File.Imports == nil {
-				return errors.New(&errors.UnknownPackage{Name: pkg}, f.File, nameRoot.Token.Position)
+				return nil, errors.New(&errors.UnknownPackage{Name: pkg}, f.File, nameRoot.Token.Position)
 			}
 
 			imp, exists := f.File.Imports[pkg]
 
 			if !exists {
-				return errors.New(&errors.UnknownPackage{Name: pkg}, f.File, nameRoot.Token.Position)
+				return nil, errors.New(&errors.UnknownPackage{Name: pkg}, f.File, nameRoot.Token.Position)
 			}
 
 			imp.Used = true
@@ -49,10 +51,10 @@ func (f *Function) CompileCall(root *expression.Expression) error {
 		tmp.WriteString(".")
 		tmp.WriteString(name)
 		fullName = tmp.String()
-		_, exists := f.Functions[fullName]
+		fn, exists = f.Functions[fullName]
 
 		if !exists {
-			return errors.New(&errors.UnknownFunction{Name: name}, f.File, nameRoot.Token.Position)
+			return nil, errors.New(&errors.UnknownFunction{Name: name}, f.File, nameRoot.Token.Position)
 		}
 	}
 
@@ -66,7 +68,7 @@ func (f *Function) CompileCall(root *expression.Expression) error {
 	err := f.ExpressionsToRegisters(parameters, registers)
 
 	if err != nil {
-		return err
+		return fn, err
 	}
 
 	// TODO: Save all return value registers of the function
@@ -104,5 +106,5 @@ func (f *Function) CompileCall(root *expression.Expression) error {
 		}
 	}
 
-	return nil
+	return fn, nil
 }