basic integration of qt app and compiler though the api module

src/compiler/api/api.go

@@ -0,0 +1,20 @@
+package api
+
+import (
+
+	"github.com/jorenchik/mdemory/src/compiler/lexer"
+	"github.com/jorenchik/mdemory/src/compiler/parser"
+)
+
+func Compile(fileContents string) ([]parser.Question, error) {
+	tokens, err := lexer.TokenizeMdem([]rune(fileContents))
+	if err != nil {
+		return nil, err
+	}
+    questions, err := parser.ParseQuestions(tokens)
+	if (err != nil) {
+        return nil, err
+	}
+    return questions, err
+}
+

src/compiler/compiler.go

@@ -3,13 +3,11 @@ package main
 import (
 	"fmt"
 	"os"
-	"github.com/jorenchik/mdemory/src/compiler/parser"
-	"github.com/jorenchik/mdemory/src/compiler/lexer"
+
+	"github.com/jorenchik/mdemory/src/compiler/api"
 )
 
 func main() {
-	fmt.Println("Compilation started...")
-
 	file, err := os.ReadFile(
 		"/home/jorenchik/Code/mdemory/src/compiler/input.mdem",
 	)
@@ -22,17 +20,11 @@ func main() {
 	}
 	fileContents := string(file)
 
-	tokens, err := lexer.TokenizeMdem([]rune(fileContents))
+	fmt.Println("Compilation started...")
+    _, err = api.Compile(fileContents)
     if err != nil {
         fmt.Println(err.Error())
         return
     }
-
-	_, err = parser.ParseQuestions(tokens)
-	if (err != nil) {
-		fmt.Println(err.Error())
-        return
-	}
-
 	fmt.Println("Compilation completed")
 }

src/compiler/lexer/lexer.go

@@ -6,11 +6,11 @@ import (
 )
 
 var buffer         []rune
-var	row            int32  = 1
-var	column         int32  = 1
-var	previousRow    int32  = -1
-var	previousColumn int32  = -1
-var textStarted    bool   = false
+var	row              int32
+var	column           int32
+var	previousRow      int32
+var	previousColumn   int32
+var textStarted      bool
 
 type TokenType int
 const (
@@ -94,6 +94,16 @@ func makeTokenWithTokenBuffer(
 func TokenizeMdem(fileRunes []rune) ( []Token, error ) {
 	tokens         = []Token{} 
 	buffer         = []rune{} 
+    row            = 1
+    column         = 1
+    previousRow    = -1
+    previousColumn = -1
+    textStarted    = false
+
+    if (len(strings.Trim(string(fileRunes), " \n\t")) <= 0) {
+        return []Token{}, nil
+    }
+
 
 	for i := 0; i < len(fileRunes); i++ {
 		c := fileRunes[i]

src/mdemory-app-qt/go.mod

@@ -2,6 +2,11 @@ module github.com/jorenchik/mdemory/src/mdemory-app-qt
 
 go 1.23.0
 
-require github.com/therecipe/qt v0.0.0-20200904063919-c0c124a5770d
+require (
+	github.com/jorenchik/mdemory/src/compiler v0.0.0-00010101000000-000000000000
+	github.com/therecipe/qt v0.0.0-20200904063919-c0c124a5770d
+)
 
 require github.com/gopherjs/gopherjs v0.0.0-20190411002643-bd77b112433e // indirect
+
+replace github.com/jorenchik/mdemory/src/compiler => ../compiler

src/mdemory-app-qt/main.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 
+	"github.com/jorenchik/mdemory/src/compiler/api"
 	"github.com/therecipe/qt/core"
 	"github.com/therecipe/qt/widgets"
 )
@@ -36,13 +37,32 @@ func main() {
     mdemList.HideColumn(2)
     mdemList.HideColumn(3)
 	mdemList.ConnectDoubleClicked(func(index *core.QModelIndex) {
-		item := model.FilePath(index)
-		widgets.QMessageBox_Information(
+        if model.IsDir(index) {
+            return
+        }
+        filePath := model.FilePath(index)
+        fileContents, err := os.ReadFile(filePath)
+        if (err != nil) {
+            widgets.QMessageBox_Critical(
                 nil,
-            "Item Clicked",
-            "You clicked: " + item, 
-            widgets.QMessageBox__Ok, widgets.QMessageBox__Ok,
+                "Compilation error",
+                err.Error(),
+                widgets.QMessageBox__Ok,
+                widgets.QMessageBox__Ok,
             )
+            return
+        }
+        _, err = api.Compile(string(fileContents))
+        if (err != nil) {
+            widgets.QMessageBox_Critical(
+                nil,
+                "Compilation error",
+                err.Error(),
+                widgets.QMessageBox__Ok,
+                widgets.QMessageBox__Ok,
+            )
+        }
+
 	})
 
 	deckLabel := widgets.NewQLabel2("Decks", nil, 0)