Implemented error messages

src/build/Build.go

@@ -7,34 +7,20 @@ import (
 
 // Build describes a compiler build.
 type Build struct {
-	Files           []string
-	WriteExecutable bool
+	Files []string
 }
 
 // New creates a new build.
 func New(files ...string) *Build {
 	return &Build{
-		Files:           files,
-		WriteExecutable: true,
+		Files: files,
 	}
 }
 
 // Run parses the input files and generates an executable file.
-func (build *Build) Run() error {
+func (build *Build) Run() (map[string]*Function, error) {
 	functions, errors := Scan(build.Files)
-	allFunctions, err := Compile(functions, errors)
-
-	if err != nil {
-		return err
-	}
-
-	if !build.WriteExecutable {
-		return nil
-	}
-
-	path := build.Executable()
-	code, data := Finalize(allFunctions)
-	return Write(path, code, data)
+	return Compile(functions, errors)
 }
 
 // Executable returns the path to the executable.