Improved division split

src/build/core/Evaluate.go

@@ -0,0 +1,24 @@
+package core
+
+import (
+	"git.akyoto.dev/cli/q/src/build/cpu"
+	"git.akyoto.dev/cli/q/src/build/expression"
+	"git.akyoto.dev/cli/q/src/build/token"
+)
+
+// Evaluate evaluates an expression and returns a register that contains the value of the expression.
+func (f *Function) Evaluate(expr *expression.Expression) (cpu.Register, error) {
+	if expr.Token.Kind == token.Identifier {
+		name := expr.Token.Text(f.File.Bytes)
+		variable := f.VariableByName(name)
+
+		if variable.Alive == 1 {
+			f.UseVariable(variable)
+			return variable.Register, nil
+		}
+	}
+
+	tmp := f.NewRegister()
+	err := f.ExpressionToRegister(expr, tmp)
+	return tmp, err
+}