fix: improve parser, compiler and interpreter APIs

Pass a language spec as an argument when create a new parser,
compiler or interpreter.

Also move the REPL code in interpreter package.

1 files changed, 2 insertions, 2 deletions

diff --git a/parser/parse.go b/parser/parse.go
index 3a7ce5e..6cfdc08 100644
--- a/parser/parse.go
+++ b/parser/parse.go
@@ -41,9 +41,9 @@ var (
 )
 
 // NewParser returns a new parser.
-func NewParser(scanner *scanner.Scanner, noPkg bool) *Parser {
+func NewParser(spec *lang.Spec, noPkg bool) *Parser {
 	return &Parser{
-		Scanner:    scanner,
+		Scanner:    scanner.NewScanner(spec),
 		noPkg:      noPkg,
 		Symbols:    initUniverse(),
 		framelen:   map[string]int{},