Function Compile

compiler/compiler.go:25–82

(tree *parser.Tree, config *conf.Config)

)

func Compile(tree *parser.Tree, config *conf.Config) (program *Program, err error) {
	defer func() {
		if r := recover(); r != nil {
			err = fmt.Errorf("%v\n%s", r, debug.Stack())
		}
	}()

	c := &compiler{
		config:         config,
		locations:      make([]file.Location, 0),
		constantsIndex: make(map[any]int),
		functionsIndex: make(map[string]int),
		debugInfo:      make(map[string]string),
	}

	if config != nil {
		c.ntCache = &c.config.NtCache
	} else {
		c.ntCache = new(Cache)
	}

	c.compile(tree.Node)

	if c.config != nil {
		switch c.config.Expect {
		case reflect.Int:
			c.emit(OpCast, 0)
		case reflect.Int64:
			c.emit(OpCast, 1)
		case reflect.Float64:
			c.emit(OpCast, 2)
		case reflect.Bool:
			c.emit(OpCast, 3)
		}
		if c.config.Optimize {
			c.optimize()
		}
	}

	var span *Span
	if len(c.spans) > 0 {
		span = c.spans[0]
	}

	program = NewProgram(
		tree.Source,
		tree.Node,
		c.locations,
		c.variables,
		c.constants,
		c.bytecode,
		c.arguments,
		c.functions,
		c.debugInfo,
		span,
	)
	return
}