Method parseAddSub

go/engine/expr/parser.go:158–188

()

}

func (p *parser) parseAddSub() (Value, error) {
	left, err := p.parseMulDiv()
	if err != nil {
		return Value{}, err
	}
	for {
		ch := p.peek()
		if ch != '+' && ch != '-' {
			break
		}
		p.pos++
		right, err := p.parseMulDiv()
		if err != nil {
			return Value{}, err
		}
		if left.Type == workflowapi.Float || right.Type == workflowapi.Float {
			if ch == '+' {
				left = FloatVal(left.AsFloat() + right.AsFloat())
			} else {
				left = FloatVal(left.AsFloat() - right.AsFloat())
			}
		} else {
			if ch == '+' {
				left = IntVal(left.AsInt() + right.AsInt())
			} else {
				left = IntVal(left.AsInt() - right.AsInt())
			}
		}
	}
	return left, nil
}

func (p *parser) parseMulDiv() (Value, error) {
	left, err := p.parseUnary()