package core

import (
	"git.akyoto.dev/cli/q/src/build/ast"
	"git.akyoto.dev/cli/q/src/build/errors"
)

// CompileAssign compiles an assign statement.
func (f *Function) CompileAssign(node *ast.Assign) error {
	name := node.Name.Text()
	variable, exists := f.variables[name]

	if !exists {
		return errors.New(&errors.UnknownIdentifier{Name: name}, f.File, node.Name.Position)
	}

	defer f.useVariable(variable)
	return f.Execute(node.Operator, variable.Register, node.Value)
}