Simplified file structure

src/core/CompileAssignDivision.go

@@ -0,0 +1,43 @@
+package core
+
+import (
+	"git.akyoto.dev/cli/q/src/arch/x64"
+	"git.akyoto.dev/cli/q/src/asm"
+	"git.akyoto.dev/cli/q/src/ast"
+	"git.akyoto.dev/cli/q/src/errors"
+)
+
+// CompileAssignDivision compiles an assign statement that has quotient and remainder on the left side and division on the right.
+func (f *Function) CompileAssignDivision(node *ast.Assign) error {
+	left := node.Expression.Children[0]
+	right := node.Expression.Children[1]
+
+	quotient := left.Children[0]
+	name := quotient.Token.Text(f.File.Bytes)
+	quotientVariable := f.VariableByName(name)
+
+	if quotientVariable == nil {
+		return errors.New(&errors.UnknownIdentifier{Name: name}, f.File, quotient.Token.Position)
+	}
+
+	remainder := left.Children[1]
+	name = remainder.Token.Text(f.File.Bytes)
+	remainderVariable := f.VariableByName(name)
+
+	if remainderVariable == nil {
+		return errors.New(&errors.UnknownIdentifier{Name: name}, f.File, remainder.Token.Position)
+	}
+
+	dividend := right.Children[0]
+	_, dividendRegister, err := f.Evaluate(dividend)
+
+	if err != nil {
+		return err
+	}
+
+	divisor := right.Children[1]
+	err = f.Execute(right.Token, dividendRegister, divisor)
+	f.RegisterRegister(asm.MOVE, quotientVariable.Register, x64.RAX)
+	f.RegisterRegister(asm.MOVE, remainderVariable.Register, x64.RDX)
+	return err
+}