Add GetError in dictionary parser

backend/pkg/textdic/parser.y

@@ -1,10 +1,6 @@
 %{
 package textdic
 
-import (
-	"fmt"
-)
-
 // Define Node and Nodes types
 type Node struct {
 	Word       string
@@ -13,10 +9,10 @@ type Node struct {
 
 type Nodes []Node
 
-func ParseAndGetNodes(yylex yyLexer) []Node {
-	yyparser := &yyParserImpl{}
-	yyparser.Parse(yylex)
-	return yyparser.getNodes()
+type Error struct {
+	state int
+	token int
+	msg   string
 }
 
 %}
@@ -25,6 +21,7 @@ func ParseAndGetNodes(yylex yyLexer) []Node {
 	str  string
 	node Node
 	nodes Nodes
+	errors []Error
 }
 
 %token<str> WORD DEFINITION NEWLINE EOF
@@ -52,14 +49,37 @@ entry
 
 %%
 
-func yyError(s string) {
-	fmt.Println("Error:", s)
+type Parser interface {
+	Parse(yyLexer) int
+	GetNodes() []Node
+	GetErrors() []Error
+}
+
+func NewParser(yylex yyLexer) Parser {
+	yyparser := &yyParserImpl{}
+	yyparser.Parse(yylex)
+	return yyparser
 }
 
 func (yyrcvr *yyParserImpl) setNodes(nodes []Node) {
 	yyrcvr.lval.nodes = nodes
 }
 
-func (yyrcvr *yyParserImpl) getNodes() []Node {
+func (yyrcvr *yyParserImpl) GetNodes() []Node {
 	return yyrcvr.lval.nodes
+}
+
+func (yyrcvr *yyParserImpl) GetErrors() []Error {
+	// Slice of Error structs
+	var errors []Error
+
+	// Loop over yyErrorMessages and add to errors slice
+	for _, errMsg := range yyErrorMessages {
+		errors = append(errors, Error{
+			state: errMsg.state,
+			token: errMsg.token,
+			msg:   errMsg.msg,
+		})
+	}
+	return errors
 }

backend/pkg/textdic/parser_test.go

@@ -60,7 +60,8 @@ There is no leeway to provide services free of charge for the sake of others. 
 			l := newLexer(tc.input)
 
 			// Parse the input using the parser instance
-			parsedNodes := ParseAndGetNodes(l)
+			parser := NewParser(l)
+			parsedNodes := parser.GetNodes()
 
 			if len(parsedNodes) != len(tc.expected) {
 				t.Errorf("expected %d nodes, but got %d", len(tc.expected), len(parsedNodes))

backend/pkg/textdic/text_dictionary_service.go

@@ -22,7 +22,8 @@ func (tds *textDictionaryService) Process(ctx context.Context, dic string) ([]No
 	l := newLexer(dic)
 
 	// Parse the input using the new parser
-	parsedNodes := ParseAndGetNodes(l)
+	parser := NewParser(l)
+	parsedNodes := parser.GetNodes()
 
 	if len(parsedNodes) == 0 {
 		err := fmt.Errorf("no nodes were parsed")