PromQL: Fix unary operator precedence (#6579)

* PromQL: Fix unary operator precedence

Fixes #6575

Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>
This commit is contained in:
Tobias Guggenmos 2020-01-08 15:07:10 +01:00 committed by Brian Brazil
parent 9d9bc524e5
commit d8bc24349c
4 changed files with 188 additions and 153 deletions

View file

@ -152,10 +152,6 @@ START_METRIC_SELECTOR
%left MUL DIV MOD
%right POW
// Fake token for giving unary expressions maximal precendence
%token PREC_MAX
%nonassoc PREC_MAX
// Offset modifiers do not have associativity.
%nonassoc OFFSET
@ -419,8 +415,8 @@ subquery_expr : expr LEFT_BRACKET duration COLON maybe_duration RIGHT_BRACKET
*/
unary_expr :
/* gives the rule the same prec as POW. This has the effect that unary opts are always evaluated with highest precedence */
unary_op expr %prec PREC_MAX
/* gives the rule the same precedence as MUL. This aligns with mathematical conventions */
unary_op expr %prec MUL
{
if nl, ok := $2.(*NumberLiteral); ok {
if $1.Typ == SUB {

View file

@ -103,7 +103,6 @@ const START_SERIES_DESCRIPTION = 57411
const START_EXPRESSION = 57412
const START_METRIC_SELECTOR = 57413
const startSymbolsEnd = 57414
const PREC_MAX = 57415
var yyToknames = [...]string{
"$end",
@ -178,7 +177,6 @@ var yyToknames = [...]string{
"START_EXPRESSION",
"START_METRIC_SELECTOR",
"startSymbolsEnd",
"PREC_MAX",
}
var yyStatenames = [...]string{}
@ -186,7 +184,7 @@ const yyEofCode = 1
const yyErrCode = 2
const yyInitialStackSize = 16
//line promql/generated_parser.y:645
//line promql/generated_parser.y:641
//line yacctab:1
var yyExca = [...]int{
@ -254,33 +252,33 @@ 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, 78, 231, 211, 212, 190, 153, 98, 206,
196, 210, 146, 226, 234, 86, 81, 87, 225, 99,
136, 85, 205, 154, 36, 135, 192, 193, 75, 84,
194, 224, 209, 145, 97, 232, 134, 229, 100, 182,
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, 77, 183, 185, 188, 189, 191, 198, 199, 48,
88, 93, 122, 2, 3, 4, 5, 132, 126, 129,
124, 92, 125, 82, 12, 52, 84, 207, 11, 83,
12, 13, 52, 155, 11, 144, 151, 13, 160, 161,
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, 233, 208, 150, 7, 190, 61, 223,
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, 14,
35, 194, 28, 9, 9, 154, 140, 142, 53, 222,
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, 1, 93, 183, 185, 188, 189, 191, 198, 199,
96, 78, 92, 8, 123, 95, 221, 15, 90, 227,
59, 121, 120, 230, 63, 33, 94, 78, 27, 121,
58, 26, 25, 133, 72, 73, 56, 235, 75, 62,
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, 10, 75, 76, 24, 103, 23, 22,
77, 78, 21, 54, 101, 130, 20, 102, 19, 18,
149, 60, 147, 62, 63, 64, 77, 65, 66, 67,
68, 69, 70, 71, 72, 73, 74, 177, 75, 76,
55, 78, 34, 180, 137, 29, 89, 0, 0, 0,
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,
@ -304,38 +302,38 @@ var yyAct = [...]int{
}
var yyPact = [...]int{
15, 136, 88, 88, 346, 82, -1000, -1000, -1000, 94,
-1000, -1000, -1000, 208, -1000, 146, -1000, 237, -1000, -1000,
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,
81, -1000, 390, -1000, 390, 89, -1000, -1000, -1000, -1000,
39, -1000, 390, -1000, 390, 42, -1000, -1000, -1000, -1000,
-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-1000, -1000, 190, -1000, -1000, 198, -1000, -1000, 26, -1000,
17, -1000, -44, -44, -44, -44, -44, -44, -44, -44,
-44, -44, -44, -44, -44, -44, -44, 210, 202, 81,
-47, -1000, 139, 139, 328, -1000, 203, 8, -1000, 38,
-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, 0, 1,
-1000, -1000, -1000, 62, 62, 187, 139, 139, 139, 139,
-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, 31, -1000, -1000,
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, 40, 40, -1, -1000, -1000, -1000, -1000, -1000, -1000,
-1000, 36, 141, -1000, -1000, 14, -1000, 237, -1000, -1000,
-1000, 40, -1000, -1000, -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, 286, 44, 8, 285, 1, 284, 283, 170, 282,
243, 280, 203, 9, 277, 5, 4, 262, 261, 0,
6, 260, 7, 259, 11, 58, 258, 257, 2, 256,
255, 10, 254, 252, 249, 248, 247, 246, 222, 221,
218, 172, 215, 3, 206, 191, 169,
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{
@ -444,7 +442,7 @@ var yyTok2 = [...]int{
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, 73,
72,
}
var yyTok3 = [...]int{
0,
@ -789,61 +787,61 @@ yydefault:
case 1:
yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:170
//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:173
//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:175
//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:177
//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:180
//line promql/generated_parser.y:176
{
yylex.(*parser).unexpected("", "")
}
case 19:
yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:202
//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:204
//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:206
//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:208
//line promql/generated_parser.y:204
{
yylex.(*parser).unexpected("aggregation", "")
}
case 23:
yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:213
//line promql/generated_parser.y:209
{
yyVAL.node = &AggregateExpr{
Grouping: yyDollar[2].strings,
@ -851,7 +849,7 @@ yydefault:
}
case 24:
yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:219
//line promql/generated_parser.y:215
{
yyVAL.node = &AggregateExpr{
Grouping: yyDollar[2].strings,
@ -860,97 +858,97 @@ yydefault:
}
case 25:
yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:232
//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:233
//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:234
//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:235
//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:236
//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:237
//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:238
//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:239
//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:240
//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:241
//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:242
//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:243
//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:244
//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:245
//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:246
//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:254
//line promql/generated_parser.y:250
{
yyVAL.node = &BinaryExpr{
VectorMatching: &VectorMatching{Card: CardOneToOne},
@ -958,7 +956,7 @@ yydefault:
}
case 42:
yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:259
//line promql/generated_parser.y:255
{
yyVAL.node = &BinaryExpr{
VectorMatching: &VectorMatching{Card: CardOneToOne},
@ -967,14 +965,14 @@ yydefault:
}
case 43:
yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:267
//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:272
//line promql/generated_parser.y:268
{
yyVAL.node = yyDollar[1].node
yyVAL.node.(*BinaryExpr).VectorMatching.MatchingLabels = yyDollar[3].strings
@ -982,7 +980,7 @@ yydefault:
}
case 47:
yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:282
//line promql/generated_parser.y:278
{
yyVAL.node = yyDollar[1].node
yyVAL.node.(*BinaryExpr).VectorMatching.Card = CardManyToOne
@ -990,7 +988,7 @@ yydefault:
}
case 48:
yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:288
//line promql/generated_parser.y:284
{
yyVAL.node = yyDollar[1].node
yyVAL.node.(*BinaryExpr).VectorMatching.Card = CardOneToMany
@ -998,49 +996,49 @@ yydefault:
}
case 49:
yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:297
//line promql/generated_parser.y:293
{
yyVAL.strings = yyDollar[2].strings
}
case 50:
yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:299
//line promql/generated_parser.y:295
{
yyVAL.strings = yyDollar[2].strings
}
case 51:
yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:301
//line promql/generated_parser.y:297
{
yyVAL.strings = []string{}
}
case 52:
yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:303
//line promql/generated_parser.y:299
{
yylex.(*parser).unexpected("grouping opts", "\"(\"")
}
case 53:
yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:309
//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:311
//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:313
//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:317
//line promql/generated_parser.y:313
{
if !isLabel(yyDollar[1].item.Val) {
yylex.(*parser).unexpected("grouping opts", "label")
@ -1049,13 +1047,13 @@ yydefault:
}
case 57:
yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:324
//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:332
//line promql/generated_parser.y:328
{
fn, exist := getFunction(yyDollar[1].item.Val)
if !exist {
@ -1068,50 +1066,50 @@ yydefault:
}
case 59:
yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:345
//line promql/generated_parser.y:341
{
yyVAL.node = yyDollar[2].node
}
case 60:
yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:347
//line promql/generated_parser.y:343
{
yyVAL.node = Expressions{}
}
case 61:
yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:351
//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:353
//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:361
//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:369
//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:374
//line promql/generated_parser.y:370
{
yylex.(*parser).unexpected("offset", "duration")
}
case 66:
yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:382
//line promql/generated_parser.y:378
{
vs, ok := yyDollar[1].node.(*VectorSelector)
if !ok {
@ -1129,7 +1127,7 @@ yydefault:
}
case 67:
yyDollar = yyS[yypt-6 : yypt+1]
//line promql/generated_parser.y:400
//line promql/generated_parser.y:396
{
yyVAL.node = &SubqueryExpr{
Expr: yyDollar[1].node.(Expr),
@ -1139,31 +1137,31 @@ yydefault:
}
case 68:
yyDollar = yyS[yypt-6 : yypt+1]
//line promql/generated_parser.y:408
//line promql/generated_parser.y:404
{
yylex.(*parser).unexpected("subquery selector", "\"]\"")
}
case 69:
yyDollar = yyS[yypt-5 : yypt+1]
//line promql/generated_parser.y:410
//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:412
//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:414
//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:424
//line promql/generated_parser.y:420
{
if nl, ok := yyDollar[2].node.(*NumberLiteral); ok {
if yyDollar[1].item.Typ == SUB {
@ -1176,164 +1174,164 @@ yydefault:
}
case 73:
yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:441
//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:443
//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:445
//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:449
//line promql/generated_parser.y:445
{
yyVAL.matchers = yyDollar[2].matchers
}
case 77:
yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:451
//line promql/generated_parser.y:447
{
yyVAL.matchers = yyDollar[2].matchers
}
case 78:
yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:453
//line promql/generated_parser.y:449
{
yyVAL.matchers = []*labels.Matcher{}
}
case 79:
yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:458
//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:460
//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:462
//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:466
//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:468
//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:470
//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:472
//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:480
//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:482
//line promql/generated_parser.y:478
{
yyVAL.labels = yyDollar[1].labels
}
case 90:
yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:489
//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:491
//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:493
//line promql/generated_parser.y:489
{
yyVAL.labels = labels.New()
}
case 93:
yyDollar = yyS[yypt-0 : yypt+1]
//line promql/generated_parser.y:495
//line promql/generated_parser.y:491
{
yyVAL.labels = labels.New()
}
case 94:
yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:499
//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:501
//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:503
//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:508
//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:510
//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:512
//line promql/generated_parser.y:508
{
yylex.(*parser).unexpected("label set", "\"=\"")
}
case 100:
yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:514
//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:522
//line promql/generated_parser.y:518
{
yylex.(*parser).generatedParserResult = &seriesDescription{
labels: yyDollar[1].labels,
@ -1342,37 +1340,37 @@ yydefault:
}
case 102:
yyDollar = yyS[yypt-0 : yypt+1]
//line promql/generated_parser.y:531
//line promql/generated_parser.y:527
{
yyVAL.series = []sequenceValue{}
}
case 103:
yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:533
//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:535
//line promql/generated_parser.y:531
{
yyVAL.series = yyDollar[1].series
}
case 105:
yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:537
//line promql/generated_parser.y:533
{
yylex.(*parser).unexpected("series values", "")
}
case 106:
yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:541
//line promql/generated_parser.y:537
{
yyVAL.series = []sequenceValue{{omitted: true}}
}
case 107:
yyDollar = yyS[yypt-3 : yypt+1]
//line promql/generated_parser.y:543
//line promql/generated_parser.y:539
{
yyVAL.series = []sequenceValue{}
for i := uint64(0); i < yyDollar[3].uint; i++ {
@ -1381,13 +1379,13 @@ yydefault:
}
case 108:
yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:550
//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:552
//line promql/generated_parser.y:548
{
yyVAL.series = []sequenceValue{}
for i := uint64(0); i <= yyDollar[3].uint; i++ {
@ -1396,7 +1394,7 @@ yydefault:
}
case 110:
yyDollar = yyS[yypt-4 : yypt+1]
//line promql/generated_parser.y:559
//line promql/generated_parser.y:555
{
yyVAL.series = []sequenceValue{}
for i := uint64(0); i <= yyDollar[4].uint; i++ {
@ -1406,7 +1404,7 @@ yydefault:
}
case 111:
yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:569
//line promql/generated_parser.y:565
{
if yyDollar[1].item.Val != "stale" {
yylex.(*parser).unexpected("series values", "number or \"stale\"")
@ -1415,31 +1413,31 @@ yydefault:
}
case 154:
yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:599
//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:601
//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:603
//line promql/generated_parser.y:599
{
yyVAL.float = yyDollar[2].float
}
case 157:
yyDollar = yyS[yypt-2 : yypt+1]
//line promql/generated_parser.y:604
//line promql/generated_parser.y:600
{
yyVAL.float = -yyDollar[2].float
}
case 158:
yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:608
//line promql/generated_parser.y:604
{
var err error
yyVAL.uint, err = strconv.ParseUint(yyDollar[1].item.Val, 10, 64)
@ -1449,7 +1447,7 @@ yydefault:
}
case 159:
yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:618
//line promql/generated_parser.y:614
{
var err error
yyVAL.duration, err = parseDuration(yyDollar[1].item.Val)
@ -1459,25 +1457,25 @@ yydefault:
}
case 160:
yyDollar = yyS[yypt-1 : yypt+1]
//line promql/generated_parser.y:628
//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:630
//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:637
//line promql/generated_parser.y:633
{
yyVAL.duration = 0
}
case 164:
yyDollar = yyS[yypt-0 : yypt+1]
//line promql/generated_parser.y:641
//line promql/generated_parser.y:637
{
yyVAL.strings = nil
}

View file

@ -104,7 +104,38 @@ var testExpr = []struct {
expected: &BinaryExpr{LTE, &NumberLiteral{1}, &NumberLiteral{1}, nil, true},
}, {
input: "-1^2",
expected: &BinaryExpr{POW, &NumberLiteral{-1}, &NumberLiteral{2}, nil, false},
expected: &UnaryExpr{
Op: SUB,
Expr: &BinaryExpr{
Op: POW,
LHS: &NumberLiteral{1},
RHS: &NumberLiteral{2},
},
},
}, {
input: "-1*2",
expected: &BinaryExpr{
Op: MUL,
LHS: &NumberLiteral{-1},
RHS: &NumberLiteral{2},
},
}, {
input: "-1+2",
expected: &BinaryExpr{
Op: ADD,
LHS: &NumberLiteral{-1},
RHS: &NumberLiteral{2},
},
}, {
input: "-1^-2",
expected: &UnaryExpr{
Op: SUB,
Expr: &BinaryExpr{
Op: POW,
LHS: &NumberLiteral{1},
RHS: &NumberLiteral{-2},
},
},
}, {
input: "+1 + -2 * 1",
expected: &BinaryExpr{

View file

@ -35,6 +35,16 @@ eval instant at 50m - - - SUM(http_requests) BY (job)
eval instant at 50m - - - 1
-1
eval instant at 50m -2^---1*3
-1.5
eval instant at 50m 2/-2^---1*3+2
-10
eval instant at 50m -10^3 * - SUM(http_requests) BY (job) ^ -1
{job="api-server"} 1
{job="app-server"} 0.38461538461538464
eval instant at 50m 1000 / SUM(http_requests) BY (job)
{job="api-server"} 1
{job="app-server"} 0.38461538461538464