Implemented array storage

src/build/core/CompileAssign.go

@@ -1,19 +1,58 @@
 package core
 
 import (
+	"strconv"
+
+	"git.akyoto.dev/cli/q/src/build/asm"
 	"git.akyoto.dev/cli/q/src/build/ast"
 	"git.akyoto.dev/cli/q/src/build/errors"
+	"git.akyoto.dev/cli/q/src/build/token"
 )
 
 // CompileAssign compiles an assign statement.
 func (f *Function) CompileAssign(node *ast.Assign) error {
-	name := node.Name.Text()
-	variable := f.Variable(name)
+	operator := node.Expression.Token
+	left := node.Expression.Children[0]
+	right := node.Expression.Children[1]
 
-	if variable == nil {
-		return errors.New(&errors.UnknownIdentifier{Name: name}, f.File, node.Name.Position)
+	if left.IsLeaf() {
+		name := left.Token.Text()
+		variable := f.Variable(name)
+
+		if variable == nil {
+			return errors.New(&errors.UnknownIdentifier{Name: name}, f.File, left.Token.Position)
+		}
+
+		defer f.useVariable(variable)
+		return f.Execute(operator, variable.Register, right)
 	}
 
-	defer f.useVariable(variable)
-	return f.Execute(node.Operator, variable.Register, node.Value)
+	if left.Token.Kind == token.Operator && left.Token.Text() == "@" {
+		name := left.Children[0].Token.Text()
+		variable := f.Variable(name)
+
+		if variable == nil {
+			return errors.New(&errors.UnknownIdentifier{Name: name}, f.File, left.Children[0].Token.Position)
+		}
+
+		defer f.useVariable(variable)
+
+		index := left.Children[1]
+		offset, err := strconv.Atoi(index.Token.Text())
+
+		if err != nil {
+			return err
+		}
+
+		num, err := strconv.Atoi(right.Token.Text())
+
+		if err != nil {
+			return err
+		}
+
+		f.Assembler.MemoryNumber(asm.STORE, asm.Memory{Base: variable.Register, Offset: byte(offset), Length: 1}, num)
+		return nil
+	}
+
+	return errors.New(errors.NotImplemented, f.File, left.Token.Position)
 }