prometheus/promql/generated_parser.y.go

// Code generated by goyacc -o promql/generated_parser.y.go promql/generated_parser.y. DO NOT EDIT.

//line promql/generated_parser.y:15
package promql

import __yyfmt__ "fmt"

//line promql/generated_parser.y:15

import (
	"math"
	"sort"
	"strconv"
	"time"

	"github.com/prometheus/prometheus/pkg/labels"
	"github.com/prometheus/prometheus/pkg/value"
)

//line promql/generated_parser.y:28
type yySymType struct {
	yys      int
	node     Node
	item     Item
	matchers []*labels.Matcher
	matcher  *labels.Matcher
	label    labels.Label
	labels   labels.Labels
	strings  []string
	series   []sequenceValue
	uint     uint64
	float    float64
	string   string
	duration time.Duration
}

const ASSIGN = 57346
const BLANK = 57347
const COLON = 57348
const COMMA = 57349
const COMMENT = 57350
const DURATION = 57351
const EOF = 57352
const ERROR = 57353
const IDENTIFIER = 57354
const LEFT_BRACE = 57355
const LEFT_BRACKET = 57356
const LEFT_PAREN = 57357
const METRIC_IDENTIFIER = 57358
const NUMBER = 57359
const RIGHT_BRACE = 57360
const RIGHT_BRACKET = 57361
const RIGHT_PAREN = 57362
const SEMICOLON = 57363
const SPACE = 57364
const STRING = 57365
const TIMES = 57366
const operatorsStart = 57367
const ADD = 57368
const DIV = 57369
const EQL = 57370
const EQL_REGEX = 57371
const GTE = 57372
const GTR = 57373
const LAND = 57374
const LOR = 57375
const LSS = 57376
const LTE = 57377
const LUNLESS = 57378
const MOD = 57379
const MUL = 57380
const NEQ = 57381
const NEQ_REGEX = 57382
const POW = 57383
const SUB = 57384
const operatorsEnd = 57385
const aggregatorsStart = 57386
const AVG = 57387
const BOTTOMK = 57388
const COUNT = 57389
const COUNT_VALUES = 57390
const MAX = 57391
const MIN = 57392
const QUANTILE = 57393
const STDDEV = 57394
const STDVAR = 57395
const SUM = 57396
const TOPK = 57397
const aggregatorsEnd = 57398
const keywordsStart = 57399
const BOOL = 57400
const BY = 57401
const GROUP_LEFT = 57402
const GROUP_RIGHT = 57403
const IGNORING = 57404
const OFFSET = 57405
const ON = 57406
const WITHOUT = 57407
const keywordsEnd = 57408
const startSymbolsStart = 57409
const START_METRIC = 57410
const START_SERIES_DESCRIPTION = 57411
const START_EXPRESSION = 57412
const START_METRIC_SELECTOR = 57413
const startSymbolsEnd = 57414

var yyToknames = [...]string{
	"$end",
	"error",
	"$unk",
	"ASSIGN",
	"BLANK",
	"COLON",
	"COMMA",
	"COMMENT",
	"DURATION",
	"EOF",
	"ERROR",
	"IDENTIFIER",
	"LEFT_BRACE",
	"LEFT_BRACKET",
	"LEFT_PAREN",
	"METRIC_IDENTIFIER",
	"NUMBER",
	"RIGHT_BRACE",
	"RIGHT_BRACKET",
	"RIGHT_PAREN",
	"SEMICOLON",
	"SPACE",
	"STRING",
	"TIMES",
	"operatorsStart",
	"ADD",
	"DIV",
	"EQL",
	"EQL_REGEX",
	"GTE",
	"GTR",
	"LAND",
	"LOR",
	"LSS",
	"LTE",
	"LUNLESS",
	"MOD",
	"MUL",
	"NEQ",
	"NEQ_REGEX",
	"POW",
	"SUB",
	"operatorsEnd",
	"aggregatorsStart",
	"AVG",
	"BOTTOMK",
	"COUNT",
	"COUNT_VALUES",
	"MAX",
	"MIN",
	"QUANTILE",
	"STDDEV",
	"STDVAR",
	"SUM",
	"TOPK",
	"aggregatorsEnd",
	"keywordsStart",
	"BOOL",
	"BY",
	"GROUP_LEFT",
	"GROUP_RIGHT",
	"IGNORING",
	"OFFSET",
	"ON",
	"WITHOUT",
	"keywordsEnd",
	"startSymbolsStart",
	"START_METRIC",
	"START_SERIES_DESCRIPTION",
	"START_EXPRESSION",
	"START_METRIC_SELECTOR",
	"startSymbolsEnd",
}
var yyStatenames = [...]string{}

const yyEofCode = 1
const yyErrCode = 2
const yyInitialStackSize = 16

//line promql/generated_parser.y:641

//line yacctab:1
var yyExca = [...]int{
	-1, 1,
	1, -1,
	-2, 0,
	-1, 15,
	1, 102,
	10, 102,
	22, 102,
	-2, 0,
	-1, 158,
	12, 164,
	13, 164,
	16, 164,
	17, 164,
	23, 164,
	26, 164,
	42, 164,
	45, 164,
	46, 164,
	47, 164,
	48, 164,
	49, 164,
	50, 164,
	51, 164,
	52, 164,
	53, 164,
	54, 164,
	55, 164,
	-2, 0,
	-1, 159,
	12, 164,
	13, 164,
	16, 164,
	17, 164,
	23, 164,
	26, 164,
	42, 164,
	45, 164,
	46, 164,
	47, 164,
	48, 164,
	49, 164,
	50, 164,
	51, 164,
	52, 164,
	53, 164,
	54, 164,
	55, 164,
	-2, 0,
	-1, 175,
	19, 162,
	-2, 0,
	-1, 222,
	19, 163,
	-2, 0,
}

const yyPrivate = 57344

const yyLast = 484

var yyAct = [...]int{

	228, 179, 17, 119, 218, 219, 31, 152, 91, 57,
	80, 79, 82, 156, 104, 157, 181, 6, 83, 158,
	159, 78, 212, 231, 153, 98, 190, 211, 99, 206,
	196, 210, 146, 229, 234, 86, 81, 87, 232, 226,
	154, 85, 205, 36, 225, 48, 192, 193, 75, 84,
	194, 97, 209, 145, 84, 52, 13, 224, 100, 182,
	184, 186, 187, 195, 197, 200, 201, 202, 203, 204,
	77, 7, 183, 185, 188, 189, 191, 198, 199, 88,
	233, 93, 122, 2, 3, 4, 5, 132, 126, 129,
	124, 92, 125, 82, 12, 52, 28, 207, 11, 83,
	12, 13, 53, 155, 11, 144, 151, 61, 160, 161,
	162, 163, 164, 165, 166, 167, 168, 169, 170, 171,
	172, 173, 105, 106, 107, 108, 109, 110, 111, 112,
	113, 114, 115, 116, 117, 118, 176, 181, 148, 138,
	175, 128, 59, 14, 208, 150, 1, 190, 221, 223,
	48, 196, 58, 174, 127, 178, 121, 213, 143, 153,
	214, 215, 216, 217, 220, 139, 141, 192, 193, 35,
	8, 194, 9, 9, 15, 154, 140, 142, 33, 222,
	182, 184, 186, 187, 195, 197, 200, 201, 202, 203,
	204, 27, 26, 183, 185, 188, 189, 191, 198, 199,
	136, 78, 96, 25, 123, 135, 24, 95, 120, 227,
	93, 121, 10, 230, 63, 121, 134, 78, 94, 103,
	92, 23, 54, 133, 72, 73, 90, 235, 75, 62,
	63, 64, 236, 65, 66, 67, 68, 69, 70, 71,
	72, 73, 74, 59, 75, 76, 22, 21, 101, 130,
	77, 78, 20, 58, 102, 19, 18, 149, 60, 56,
	147, 177, 55, 62, 63, 64, 77, 65, 66, 67,
	68, 69, 70, 71, 72, 73, 74, 34, 75, 76,
	180, 78, 137, 29, 89, 0, 0, 0, 0, 0,
	0, 0, 0, 62, 63, 64, 0, 65, 66, 67,
	77, 69, 70, 71, 72, 73, 74, 0, 75, 76,
	0, 78, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 62, 63, 64, 0, 65, 66, 0,
	77, 69, 70, 0, 72, 73, 74, 0, 75, 76,
	30, 52, 0, 32, 11, 48, 0, 0, 131, 0,
	0, 49, 0, 0, 50, 0, 16, 0, 30, 52,
	77, 32, 11, 48, 0, 0, 0, 0, 0, 49,
	51, 0, 50, 37, 38, 39, 40, 41, 42, 43,
	44, 45, 46, 47, 0, 0, 0, 0, 51, 0,
	0, 37, 38, 39, 40, 41, 42, 43, 44, 45,
	46, 47, 30, 52, 0, 32, 11, 48, 0, 0,
	0, 0, 0, 49, 0, 0, 50, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 51, 0, 78, 37, 38, 39, 40, 41,
	42, 43, 44, 45, 46, 47, 62, 63, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 72, 73, 0,
	0, 75, 76, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 77,
}
var yyPact = [...]int{

	15, 61, 88, 88, 346, 82, -1000, -1000, -1000, 43,
	-1000, -1000, -1000, 241, -1000, 105, -1000, 237, -1000, -1000,
	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 34,
	39, -1000, 390, -1000, 390, 42, -1000, -1000, -1000, -1000,
	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
	-1000, -1000, 208, -1000, -1000, 200, -1000, -1000, 23, -1000,
	6, -1000, -44, -44, -44, -44, -44, -44, -44, -44,
	-44, -44, -44, -44, -44, -44, -44, 206, 202, 39,
	-47, -1000, 139, 139, 328, -1000, 203, 7, -1000, 198,
	-1000, -1000, 137, -1000, -1000, 140, -1000, 30, -1000, 133,
	390, -1000, -49, -41, -1000, 390, 390, 390, 390, 390,
	390, 390, 390, 390, 390, 390, 390, 390, 390, -1000,
	-1000, -1000, 134, -1000, -1000, -1000, -1000, 135, -1000, -1000,
	22, -1000, 237, -1000, -1000, 79, -1000, 29, -1000, -1000,
	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 3, -2,
	-1000, -1000, -1000, 28, 28, 187, 139, 139, 139, 139,
	7, 420, 420, 420, 297, 267, 420, 420, 297, 7,
	7, 420, 7, 187, -1000, 147, -1000, 37, -1000, -1000,
	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
	-1000, -1000, -1000, -1000, -1000, -1000, 390, -1000, -1000, -1000,
	-1000, 16, 16, -1, -1000, -1000, -1000, -1000, -1000, -1000,
	-1000, 19, 78, -1000, -1000, 14, -1000, 237, -1000, -1000,
	-1000, 16, -1000, -1000, -1000, -1000, -1000,
}
var yyPgo = [...]int{

	0, 284, 43, 8, 283, 1, 282, 280, 169, 277,
	212, 262, 170, 9, 261, 5, 4, 260, 258, 0,
	6, 257, 7, 256, 11, 58, 255, 254, 2, 252,
	249, 10, 248, 247, 246, 221, 219, 206, 203, 192,
	191, 96, 178, 3, 148, 146, 143,
}
var yyR1 = [...]int{

	0, 45, 45, 45, 45, 45, 45, 45, 28, 28,
	28, 28, 28, 28, 28, 28, 28, 28, 28, 23,
	23, 23, 23, 24, 24, 26, 26, 26, 26, 26,
	26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
	25, 27, 27, 36, 36, 32, 32, 32, 32, 15,
	15, 15, 15, 14, 14, 14, 5, 5, 29, 31,
	31, 30, 30, 37, 35, 35, 33, 39, 39, 39,
	39, 39, 40, 41, 41, 41, 2, 2, 2, 1,
	1, 1, 3, 3, 3, 3, 12, 12, 8, 8,
	10, 10, 10, 10, 11, 11, 11, 13, 13, 13,
	13, 46, 18, 18, 18, 18, 17, 17, 17, 17,
	17, 21, 21, 21, 4, 4, 4, 4, 4, 4,
	4, 4, 4, 4, 4, 7, 7, 7, 7, 7,
	7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
	7, 7, 7, 7, 7, 7, 7, 7, 9, 9,
	6, 6, 6, 6, 34, 20, 22, 22, 19, 43,
	38, 42, 44, 44, 16, 16,
}
var yyR2 = [...]int{

	0, 2, 2, 2, 2, 2, 2, 1, 1, 1,
	1, 1, 1, 1, 1, 1, 1, 1, 1, 3,
	3, 2, 2, 2, 2, 4, 4, 4, 4, 4,
	4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
	1, 0, 1, 3, 3, 1, 1, 3, 3, 3,
	4, 2, 1, 3, 1, 2, 1, 1, 2, 3,
	2, 3, 1, 3, 3, 3, 4, 6, 6, 5,
	4, 3, 2, 2, 1, 1, 3, 4, 2, 3,
	1, 2, 3, 3, 2, 1, 2, 1, 1, 1,
	3, 4, 2, 0, 3, 1, 2, 3, 3, 2,
	1, 2, 0, 3, 2, 1, 1, 3, 1, 3,
	4, 1, 1, 1, 1, 1, 1, 1, 1, 1,
	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
	1, 1, 1, 1, 1, 1, 2, 2, 1, 1,
	1, 1, 0, 1, 0, 1,
}
var yyChk = [...]int{

	-1000, -45, 68, 69, 70, 71, 2, 10, -12, -8,
	-10, 16, 12, 13, -46, -12, 10, -28, -23, -26,
	-29, -33, -34, -35, -37, -38, -39, -40, -41, -4,
	12, -20, 15, -42, -9, -8, -2, 45, 46, 47,
	48, 49, 50, 51, 52, 53, 54, 55, 17, 23,
	26, 42, 13, -41, -10, -11, 18, -13, 12, 2,
	-18, 2, 26, 27, 28, 30, 31, 32, 33, 34,
	35, 36, 37, 38, 39, 41, 42, 63, 14, -24,
	-31, 2, 59, 65, 15, -31, -28, -28, -2, -1,
	18, -3, 12, 2, 18, 7, 2, 28, 2, 22,
	-25, -32, -27, -36, 58, -25, -25, -25, -25, -25,
	-25, -25, -25, -25, -25, -25, -25, -25, -25, -43,
	2, 9, -43, 2, -31, -24, -15, 15, 2, -15,
	-30, 20, -28, 20, 18, 7, 2, -6, 2, 28,
	39, 29, 40, 18, -13, 23, 2, -17, 5, -21,
	12, -20, -22, 26, 42, -28, 62, 64, 60, 61,
	-28, -28, -28, -28, -28, -28, -28, -28, -28, -28,
	-28, -28, -28, -28, 19, 6, 2, -14, 20, -5,
	-7, 2, 45, 58, 46, 59, 47, 48, 60, 61,
	12, 62, 32, 33, 36, 49, 16, 50, 63, 64,
	51, 52, 53, 54, 55, 20, 7, 18, -3, 23,
	2, 24, 24, -22, -20, -20, -15, -15, -16, -15,
	-16, -44, -43, 2, 20, 7, 2, -28, -19, 17,
	-19, 24, 19, 2, 20, -5, -19,
}
var yyDef = [...]int{

	0, -2, 93, 93, 0, 0, 7, 6, 1, 93,
	87, 88, 89, 0, 2, -2, 3, 4, 8, 9,
	10, 11, 12, 13, 14, 15, 16, 17, 18, 0,
	89, 154, 0, 160, 0, 74, 75, 114, 115, 116,
	117, 118, 119, 120, 121, 122, 123, 124, 155, 161,
	148, 149, 0, 5, 86, 0, 92, 95, 0, 100,
	101, 105, 41, 41, 41, 41, 41, 41, 41, 41,
	41, 41, 41, 41, 41, 41, 41, 0, 0, 0,
	21, 22, 0, 0, 0, 58, 0, 72, 73, 0,
	78, 80, 0, 85, 90, 0, 96, 0, 99, 104,
	0, 40, 45, 46, 42, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 64,
	65, 159, 0, 71, 19, 20, 23, 0, 52, 24,
	0, 60, 62, 63, 76, 0, 81, 0, 84, 150,
	151, 152, 153, 91, 94, 97, 98, 103, 106, 108,
	111, 112, 113, 0, 0, 25, 0, 0, -2, -2,
	26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
	36, 37, 38, 39, 66, -2, 70, 0, 51, 54,
	56, 57, 125, 126, 127, 128, 129, 130, 131, 132,
	133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
	143, 144, 145, 146, 147, 59, 0, 77, 79, 82,
	83, 0, 0, 0, 156, 157, 43, 44, 47, 165,
	48, 0, -2, 69, 49, 0, 55, 61, 107, 158,
	109, 0, 67, 68, 50, 53, 110,
}
var yyTok1 = [...]int{

	1,
}
var yyTok2 = [...]int{

	2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
	12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
	22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
	32, 33, 34, 35, 36, 37, 38, 39, 40, 41,
	42, 43, 44, 45, 46, 47, 48, 49, 50, 51,
	52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
	62, 63, 64, 65, 66, 67, 68, 69, 70, 71,
	72,
}
var yyTok3 = [...]int{
	0,
}

var yyErrorMessages = [...]struct {
	state int
	token int
	msg   string
}{}

//line yaccpar:1

/*	parser for yacc output	*/

var (
	yyDebug        = 0
	yyErrorVerbose = false
)

type yyLexer interface {
	Lex(lval *yySymType) int
	Error(s string)
}

type yyParser interface {
	Parse(yyLexer) int
	Lookahead() int
}

type yyParserImpl struct {
	lval  yySymType
	stack [yyInitialStackSize]yySymType
	char  int
}

func (p *yyParserImpl) Lookahead() int {
	return p.char
}

func yyNewParser() yyParser {
	return &yyParserImpl{}
}

const yyFlag = -1000

func yyTokname(c int) string {
	if c >= 1 && c-1 < len(yyToknames) {
		if yyToknames[c-1] != "" {
			return yyToknames[c-1]
		}
	}
	return __yyfmt__.Sprintf("tok-%v", c)
}

func yyStatname(s int) string {
	if s >= 0 && s < len(yyStatenames) {
		if yyStatenames[s] != "" {
			return yyStatenames[s]
		}
	}
	return __yyfmt__.Sprintf("state-%v", s)
}

func yyErrorMessage(state, lookAhead int) string {
	const TOKSTART = 4

	if !yyErrorVerbose {
		return "syntax error"
	}

	for _, e := range yyErrorMessages {
		if e.state == state && e.token == lookAhead {
			return "syntax error: " + e.msg
		}
	}

	res := "syntax error: unexpected " + yyTokname(lookAhead)

	// To match Bison, suggest at most four expected tokens.
	expected := make([]int, 0, 4)

	// Look for shiftable tokens.
	base := yyPact[state]
	for tok := TOKSTART; tok-1 < len(yyToknames); tok++ {
		if n := base + tok; n >= 0 && n < yyLast && yyChk[yyAct[n]] == tok {
			if len(expected) == cap(expected) {
				return res
			}
			expected = append(expected, tok)
		}
	}

	if yyDef[state] == -2 {
		i := 0
		for yyExca[i] != -1 || yyExca[i+1] != state {
			i += 2
		}

		// Look for tokens that we accept or reduce.
		for i += 2; yyExca[i] >= 0; i += 2 {
			tok := yyExca[i]
			if tok < TOKSTART || yyExca[i+1] == 0 {
				continue
			}
			if len(expected) == cap(expected) {
				return res
			}
			expected = append(expected, tok)
		}

		// If the default action is to accept or reduce, give up.
		if yyExca[i+1] != 0 {
			return res
		}
	}

	for i, tok := range expected {
		if i == 0 {
			res += ", expecting "
		} else {
			res += " or "
		}
		res += yyTokname(tok)
	}
	return res
}

func yylex1(lex yyLexer, lval *yySymType) (char, token int) {
	token = 0
	char = lex.Lex(lval)
	if char <= 0 {
		token = yyTok1[0]
		goto out
	}
	if char < len(yyTok1) {
		token = yyTok1[char]
		goto out
	}
	if char >= yyPrivate {
		if char < yyPrivate+len(yyTok2) {
			token = yyTok2[char-yyPrivate]
			goto out
		}
	}
	for i := 0; i < len(yyTok3); i += 2 {
		token = yyTok3[i+0]
		if token == char {
			token = yyTok3[i+1]
			goto out
		}
	}

out:
	if token == 0 {
		token = yyTok2[1] /* unknown char */
	}
	if yyDebug >= 3 {
		__yyfmt__.Printf("lex %s(%d)\n", yyTokname(token), uint(char))
	}
	return char, token
}

func yyParse(yylex yyLexer) int {
	return yyNewParser().Parse(yylex)
}

func (yyrcvr *yyParserImpl) Parse(yylex yyLexer) int {
	var yyn int
	var yyVAL yySymType
	var yyDollar []yySymType
	_ = yyDollar // silence set and not used
	yyS := yyrcvr.stack[:]

	Nerrs := 0   /* number of errors */
	Errflag := 0 /* error recovery flag */
	yystate := 0
	yyrcvr.char = -1
	yytoken := -1 // yyrcvr.char translated into internal numbering
	defer func() {
		// Make sure we report no lookahead when not parsing.
		yystate = -1
		yyrcvr.char = -1
		yytoken = -1
	}()
	yyp := -1
	goto yystack

ret0:
	return 0

ret1:
	return 1

yystack:
	/* put a state and value onto the stack */
	if yyDebug >= 4 {
		__yyfmt__.Printf("char %v in %v\n", yyTokname(yytoken), yyStatname(yystate))
	}

	yyp++
	if yyp >= len(yyS) {
		nyys := make([]yySymType, len(yyS)*2)
		copy(nyys, yyS)
		yyS = nyys
	}
	yyS[yyp] = yyVAL
	yyS[yyp].yys = yystate

yynewstate:
	yyn = yyPact[yystate]
	if yyn <= yyFlag {
		goto yydefault /* simple state */
	}
	if yyrcvr.char < 0 {
		yyrcvr.char, yytoken = yylex1(yylex, &yyrcvr.lval)
	}
	yyn += yytoken
	if yyn < 0 || yyn >= yyLast {
		goto yydefault
	}
	yyn = yyAct[yyn]
	if yyChk[yyn] == yytoken { /* valid shift */
		yyrcvr.char = -1
		yytoken = -1
		yyVAL = yyrcvr.lval
		yystate = yyn
		if Errflag > 0 {
			Errflag--
		}
		goto yystack
	}

yydefault:
	/* default state action */
	yyn = yyDef[yystate]
	if yyn == -2 {
		if yyrcvr.char < 0 {
			yyrcvr.char, yytoken = yylex1(yylex, &yyrcvr.lval)
		}

		/* look through exception table */
		xi := 0
		for {
			if yyExca[xi+0] == -1 && yyExca[xi+1] == yystate {
				break
			}
			xi += 2
		}
		for xi += 2; ; xi += 2 {
			yyn = yyExca[xi+0]
			if yyn < 0 || yyn == yytoken {
				break
			}
		}
		yyn = yyExca[xi+1]
		if yyn < 0 {
			goto ret0
		}
	}
	if yyn == 0 {
		/* error ... attempt to resume parsing */
		switch Errflag {
		case 0: /* brand new error */
			yylex.Error(yyErrorMessage(yystate, yytoken))
			Nerrs++
			if yyDebug >= 1 {
				__yyfmt__.Printf("%s", yyStatname(yystate))
				__yyfmt__.Printf(" saw %s\n", yyTokname(yytoken))
			}
			fallthrough

		case 1, 2: /* incompletely recovered error ... try again */
			Errflag = 3

			/* find a state where "error" is a legal shift action */
			for yyp >= 0 {
				yyn = yyPact[yyS[yyp].yys] + yyErrCode
				if yyn >= 0 && yyn < yyLast {
					yystate = yyAct[yyn] /* simulate a shift of "error" */
					if yyChk[yystate] == yyErrCode {
						goto yystack
					}
				}

				/* the current p has no shift on "error", pop stack */
				if yyDebug >= 2 {
					__yyfmt__.Printf("error recovery pops state %d\n", yyS[yyp].yys)
				}
				yyp--
			}
			/* there is no state on the stack with an error shift ... abort */
			goto ret1

		case 3: /* no shift yet; clobber input char */
			if yyDebug >= 2 {
				__yyfmt__.Printf("error recovery discards %s\n", yyTokname(yytoken))
			}
			if yytoken == yyEofCode {
				goto ret1
			}
			yyrcvr.char = -1
			yytoken = -1
			goto yynewstate /* try again in the same state */
		}
	}

	/* reduction by production yyn */
	if yyDebug >= 2 {
		__yyfmt__.Printf("reduce %v in:\n\t%v\n", yyn, yyStatname(yystate))
	}

	yynt := yyn
	yypt := yyp
	_ = yypt // guard against "declared and not used"

	yyp -= yyR2[yyn]
	// yyp is now the index of $0. Perform the default action. Iff the
	// reduced production is ε, $1 is possibly out of range.
	if yyp+1 >= len(yyS) {
		nyys := make([]yySymType, len(yyS)*2)
		copy(nyys, yyS)
		yyS = nyys
	}
	yyVAL = yyS[yyp+1]

	/* consult goto table to find next state */
	yyn = yyR1[yyn]
	yyg := yyPgo[yyn]
	yyj := yyg + yyS[yyp].yys + 1

	if yyj >= yyLast {
		yystate = yyAct[yyg]
	} else {
		yystate = yyAct[yyj]
		if yyChk[yystate] != -yyn {
			yystate = yyAct[yyg]
		}
	}
	// dummy call; replaced with literal code
	switch yynt {

	case 1:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:166
		{
			yylex.(*parser).generatedParserResult = yyDollar[2].labels
		}
	case 3:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:169
		{
			yylex.(*parser).errorf("no expression found in input")
		}
	case 4:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:171
		{
			yylex.(*parser).generatedParserResult = yyDollar[2].node
		}
	case 5:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:173
		{
			yylex.(*parser).generatedParserResult = yyDollar[2].node
		}
	case 7:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:176
		{
			yylex.(*parser).unexpected("", "")
		}
	case 19:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:198
		{
			yyVAL.node = yylex.(*parser).newAggregateExpr(yyDollar[1].item, yyDollar[2].node, yyDollar[3].node)
		}
	case 20:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:200
		{
			yyVAL.node = yylex.(*parser).newAggregateExpr(yyDollar[1].item, yyDollar[3].node, yyDollar[2].node)
		}
	case 21:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:202
		{
			yyVAL.node = yylex.(*parser).newAggregateExpr(yyDollar[1].item, &AggregateExpr{}, yyDollar[2].node)
		}
	case 22:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:204
		{
			yylex.(*parser).unexpected("aggregation", "")
		}
	case 23:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:209
		{
			yyVAL.node = &AggregateExpr{
				Grouping: yyDollar[2].strings,
			}
		}
	case 24:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:215
		{
			yyVAL.node = &AggregateExpr{
				Grouping: yyDollar[2].strings,
				Without:  true,
			}
		}
	case 25:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:228
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 26:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:229
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 27:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:230
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 28:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:231
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 29:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:232
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 30:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:233
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 31:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:234
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 32:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:235
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 33:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:236
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 34:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:237
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 35:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:238
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 36:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:239
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 37:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:240
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 38:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:241
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 39:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:242
		{
			yyVAL.node = yylex.(*parser).newBinaryExpression(yyDollar[1].node, yyDollar[2].item, yyDollar[3].node, yyDollar[4].node)
		}
	case 41:
		yyDollar = yyS[yypt-0 : yypt+1]
//line promql/generated_parser.y:250
		{
			yyVAL.node = &BinaryExpr{
				VectorMatching: &VectorMatching{Card: CardOneToOne},
			}
		}
	case 42:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:255
		{
			yyVAL.node = &BinaryExpr{
				VectorMatching: &VectorMatching{Card: CardOneToOne},
				ReturnBool:     true,
			}
		}
	case 43:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:263
		{
			yyVAL.node = yyDollar[1].node
			yyVAL.node.(*BinaryExpr).VectorMatching.MatchingLabels = yyDollar[3].strings
		}
	case 44:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:268
		{
			yyVAL.node = yyDollar[1].node
			yyVAL.node.(*BinaryExpr).VectorMatching.MatchingLabels = yyDollar[3].strings
			yyVAL.node.(*BinaryExpr).VectorMatching.On = true
		}
	case 47:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:278
		{
			yyVAL.node = yyDollar[1].node
			yyVAL.node.(*BinaryExpr).VectorMatching.Card = CardManyToOne
			yyVAL.node.(*BinaryExpr).VectorMatching.Include = yyDollar[3].strings
		}
	case 48:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:284
		{
			yyVAL.node = yyDollar[1].node
			yyVAL.node.(*BinaryExpr).VectorMatching.Card = CardOneToMany
			yyVAL.node.(*BinaryExpr).VectorMatching.Include = yyDollar[3].strings
		}
	case 49:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:293
		{
			yyVAL.strings = yyDollar[2].strings
		}
	case 50:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:295
		{
			yyVAL.strings = yyDollar[2].strings
		}
	case 51:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:297
		{
			yyVAL.strings = []string{}
		}
	case 52:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:299
		{
			yylex.(*parser).unexpected("grouping opts", "\"(\"")
		}
	case 53:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:305
		{
			yyVAL.strings = append(yyDollar[1].strings, yyDollar[3].item.Val)
		}
	case 54:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:307
		{
			yyVAL.strings = []string{yyDollar[1].item.Val}
		}
	case 55:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:309
		{
			yylex.(*parser).unexpected("grouping opts", "\",\" or \")\"")
		}
	case 56:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:313
		{
			if !isLabel(yyDollar[1].item.Val) {
				yylex.(*parser).unexpected("grouping opts", "label")
			}
			yyVAL.item = yyDollar[1].item
		}
	case 57:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:320
		{
			yylex.(*parser).unexpected("grouping opts", "label")
		}
	case 58:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:328
		{
			fn, exist := getFunction(yyDollar[1].item.Val)
			if !exist {
				yylex.(*parser).errorf("unknown function with name %q", yyDollar[1].item.Val)
			}
			yyVAL.node = &Call{
				Func: fn,
				Args: yyDollar[2].node.(Expressions),
			}
		}
	case 59:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:341
		{
			yyVAL.node = yyDollar[2].node
		}
	case 60:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:343
		{
			yyVAL.node = Expressions{}
		}
	case 61:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:347
		{
			yyVAL.node = append(yyDollar[1].node.(Expressions), yyDollar[3].node.(Expr))
		}
	case 62:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:349
		{
			yyVAL.node = Expressions{yyDollar[1].node.(Expr)}
		}
	case 63:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:357
		{
			yyVAL.node = &ParenExpr{Expr: yyDollar[2].node.(Expr)}
		}
	case 64:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:365
		{
			yylex.(*parser).addOffset(yyDollar[1].node, yyDollar[3].duration)
			yyVAL.node = yyDollar[1].node
		}
	case 65:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:370
		{
			yylex.(*parser).unexpected("offset", "duration")
		}
	case 66:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:378
		{
			vs, ok := yyDollar[1].node.(*VectorSelector)
			if !ok {
				yylex.(*parser).errorf("ranges only allowed for vector selectors")
			}
			if vs.Offset != 0 {
				yylex.(*parser).errorf("no offset modifiers allowed before range")
			}
			yyVAL.node = &MatrixSelector{
				Name:          vs.Name,
				Offset:        vs.Offset,
				LabelMatchers: vs.LabelMatchers,
				Range:         yyDollar[3].duration,
			}
		}
	case 67:
		yyDollar = yyS[yypt-6 : yypt+1]
//line promql/generated_parser.y:396
		{
			yyVAL.node = &SubqueryExpr{
				Expr:  yyDollar[1].node.(Expr),
				Range: yyDollar[3].duration,
				Step:  yyDollar[5].duration,
			}
		}
	case 68:
		yyDollar = yyS[yypt-6 : yypt+1]
//line promql/generated_parser.y:404
		{
			yylex.(*parser).unexpected("subquery selector", "\"]\"")
		}
	case 69:
		yyDollar = yyS[yypt-5 : yypt+1]
//line promql/generated_parser.y:406
		{
			yylex.(*parser).unexpected("subquery selector", "duration or \"]\"")
		}
	case 70:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:408
		{
			yylex.(*parser).unexpected("subquery or range", "\":\" or \"]\"")
		}
	case 71:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:410
		{
			yylex.(*parser).unexpected("subquery selector", "duration")
		}
	case 72:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:420
		{
			if nl, ok := yyDollar[2].node.(*NumberLiteral); ok {
				if yyDollar[1].item.Typ == SUB {
					nl.Val *= -1
				}
				yyVAL.node = nl
			} else {
				yyVAL.node = &UnaryExpr{Op: yyDollar[1].item.Typ, Expr: yyDollar[2].node.(Expr)}
			}
		}
	case 73:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:437
		{
			yyVAL.node = yylex.(*parser).newVectorSelector(yyDollar[1].item.Val, yyDollar[2].matchers)
		}
	case 74:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:439
		{
			yyVAL.node = yylex.(*parser).newVectorSelector(yyDollar[1].item.Val, nil)
		}
	case 75:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:441
		{
			yyVAL.node = yylex.(*parser).newVectorSelector("", yyDollar[1].matchers)
		}
	case 76:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:445
		{
			yyVAL.matchers = yyDollar[2].matchers
		}
	case 77:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:447
		{
			yyVAL.matchers = yyDollar[2].matchers
		}
	case 78:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:449
		{
			yyVAL.matchers = []*labels.Matcher{}
		}
	case 79:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:454
		{
			yyVAL.matchers = append(yyDollar[1].matchers, yyDollar[3].matcher)
		}
	case 80:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:456
		{
			yyVAL.matchers = []*labels.Matcher{yyDollar[1].matcher}
		}
	case 81:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:458
		{
			yylex.(*parser).unexpected("label matching", "\",\" or \"}\"")
		}
	case 82:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:462
		{
			yyVAL.matcher = yylex.(*parser).newLabelMatcher(yyDollar[1].item, yyDollar[2].item, yyDollar[3].item)
		}
	case 83:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:464
		{
			yylex.(*parser).unexpected("label matching", "string")
		}
	case 84:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:466
		{
			yylex.(*parser).unexpected("label matching", "label matching operator")
		}
	case 85:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:468
		{
			yylex.(*parser).unexpected("label matching", "identifier or \"}\"")
		}
	case 86:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:476
		{
			yyVAL.labels = append(yyDollar[2].labels, labels.Label{Name: labels.MetricName, Value: yyDollar[1].item.Val})
			sort.Sort(yyVAL.labels)
		}
	case 87:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:478
		{
			yyVAL.labels = yyDollar[1].labels
		}
	case 90:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:485
		{
			yyVAL.labels = labels.New(yyDollar[2].labels...)
		}
	case 91:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:487
		{
			yyVAL.labels = labels.New(yyDollar[2].labels...)
		}
	case 92:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:489
		{
			yyVAL.labels = labels.New()
		}
	case 93:
		yyDollar = yyS[yypt-0 : yypt+1]
//line promql/generated_parser.y:491
		{
			yyVAL.labels = labels.New()
		}
	case 94:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:495
		{
			yyVAL.labels = append(yyDollar[1].labels, yyDollar[3].label)
		}
	case 95:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:497
		{
			yyVAL.labels = []labels.Label{yyDollar[1].label}
		}
	case 96:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:499
		{
			yylex.(*parser).unexpected("label set", "\",\" or \"}\"")
		}
	case 97:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:504
		{
			yyVAL.label = labels.Label{Name: yyDollar[1].item.Val, Value: yylex.(*parser).unquoteString(yyDollar[3].item.Val)}
		}
	case 98:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:506
		{
			yylex.(*parser).unexpected("label set", "string")
		}
	case 99:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:508
		{
			yylex.(*parser).unexpected("label set", "\"=\"")
		}
	case 100:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:510
		{
			yylex.(*parser).unexpected("label set", "identifier or \"}\"")
		}
	case 101:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:518
		{
			yylex.(*parser).generatedParserResult = &seriesDescription{
				labels: yyDollar[1].labels,
				values: yyDollar[2].series,
			}
		}
	case 102:
		yyDollar = yyS[yypt-0 : yypt+1]
//line promql/generated_parser.y:527
		{
			yyVAL.series = []sequenceValue{}
		}
	case 103:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:529
		{
			yyVAL.series = append(yyDollar[1].series, yyDollar[3].series...)
		}
	case 104:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:531
		{
			yyVAL.series = yyDollar[1].series
		}
	case 105:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:533
		{
			yylex.(*parser).unexpected("series values", "")
		}
	case 106:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:537
		{
			yyVAL.series = []sequenceValue{{omitted: true}}
		}
	case 107:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:539
		{
			yyVAL.series = []sequenceValue{}
			for i := uint64(0); i < yyDollar[3].uint; i++ {
				yyVAL.series = append(yyVAL.series, sequenceValue{omitted: true})
			}
		}
	case 108:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:546
		{
			yyVAL.series = []sequenceValue{{value: yyDollar[1].float}}
		}
	case 109:
		yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:548
		{
			yyVAL.series = []sequenceValue{}
			for i := uint64(0); i <= yyDollar[3].uint; i++ {
				yyVAL.series = append(yyVAL.series, sequenceValue{value: yyDollar[1].float})
			}
		}
	case 110:
		yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:555
		{
			yyVAL.series = []sequenceValue{}
			for i := uint64(0); i <= yyDollar[4].uint; i++ {
				yyVAL.series = append(yyVAL.series, sequenceValue{value: yyDollar[1].float})
				yyDollar[1].float += yyDollar[2].float
			}
		}
	case 111:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:565
		{
			if yyDollar[1].item.Val != "stale" {
				yylex.(*parser).unexpected("series values", "number or \"stale\"")
			}
			yyVAL.float = math.Float64frombits(value.StaleNaN)
		}
	case 154:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:595
		{
			yyVAL.node = &NumberLiteral{yyDollar[1].float}
		}
	case 155:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:597
		{
			yyVAL.float = yylex.(*parser).number(yyDollar[1].item.Val)
		}
	case 156:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:599
		{
			yyVAL.float = yyDollar[2].float
		}
	case 157:
		yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:600
		{
			yyVAL.float = -yyDollar[2].float
		}
	case 158:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:604
		{
			var err error
			yyVAL.uint, err = strconv.ParseUint(yyDollar[1].item.Val, 10, 64)
			if err != nil {
				yylex.(*parser).errorf("invalid repetition in series values: %s", err)
			}
		}
	case 159:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:614
		{
			var err error
			yyVAL.duration, err = parseDuration(yyDollar[1].item.Val)
			if err != nil {
				yylex.(*parser).error(err)
			}
		}
	case 160:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:624
		{
			yyVAL.node = &StringLiteral{yyDollar[1].string}
		}
	case 161:
		yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:626
		{
			yyVAL.string = yylex.(*parser).unquoteString(yyDollar[1].item.Val)
		}
	case 162:
		yyDollar = yyS[yypt-0 : yypt+1]
//line promql/generated_parser.y:633
		{
			yyVAL.duration = 0
		}
	case 164:
		yyDollar = yyS[yypt-0 : yypt+1]
//line promql/generated_parser.y:637
		{
			yyVAL.strings = nil
		}
	}
	goto yystack /* stack new state and value */
}