mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-25 13:44:05 -08:00
0712d738d1
In addition to the existing by-clause syntax: sum(<expression>) by (<labels>) [keeping_extra] ...this allows the following new syntax: sum by (<labels>) [keeping_extra] (<expression>) Both orderings may be used in a single expression. It is up to the users to establish guidelines around their usage. Change-Id: Iba10c9cc5fb6ac62edfcf246d281473e82467992
719 lines
15 KiB
Go
719 lines
15 KiB
Go
//line parser.y:15
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package rules
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import __yyfmt__ "fmt"
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//line parser.y:15
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import (
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clientmodel "github.com/prometheus/client_golang/model"
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"github.com/prometheus/prometheus/rules/ast"
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"github.com/prometheus/prometheus/storage/metric"
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)
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//line parser.y:25
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type yySymType struct {
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yys int
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num clientmodel.SampleValue
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str string
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ruleNode ast.Node
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ruleNodeSlice []ast.Node
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boolean bool
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labelNameSlice clientmodel.LabelNames
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labelSet clientmodel.LabelSet
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labelMatcher *metric.LabelMatcher
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labelMatchers metric.LabelMatchers
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}
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const START_RULES = 57346
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const START_EXPRESSION = 57347
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const IDENTIFIER = 57348
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const STRING = 57349
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const DURATION = 57350
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const METRICNAME = 57351
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const NUMBER = 57352
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const PERMANENT = 57353
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const GROUP_OP = 57354
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const KEEPING_EXTRA = 57355
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const AGGR_OP = 57356
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const CMP_OP = 57357
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const ADDITIVE_OP = 57358
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const MULT_OP = 57359
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const ALERT = 57360
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const IF = 57361
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const FOR = 57362
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const WITH = 57363
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const SUMMARY = 57364
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const DESCRIPTION = 57365
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var yyToknames = []string{
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"START_RULES",
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"START_EXPRESSION",
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"IDENTIFIER",
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"STRING",
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"DURATION",
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"METRICNAME",
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"NUMBER",
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"PERMANENT",
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"GROUP_OP",
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"KEEPING_EXTRA",
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"AGGR_OP",
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"CMP_OP",
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"ADDITIVE_OP",
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"MULT_OP",
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"ALERT",
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"IF",
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"FOR",
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"WITH",
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"SUMMARY",
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"DESCRIPTION",
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" =",
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}
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var yyStatenames = []string{}
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const yyEofCode = 1
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const yyErrCode = 2
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const yyMaxDepth = 200
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//line parser.y:250
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//line yacctab:1
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var yyExca = []int{
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-1, 1,
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1, -1,
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-2, 0,
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-1, 4,
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1, 1,
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-2, 10,
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}
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const yyNprod = 50
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const yyPrivate = 57344
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var yyTokenNames []string
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var yyStates []string
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const yyLast = 137
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var yyAct = []int{
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56, 72, 50, 53, 30, 24, 6, 20, 49, 59,
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22, 10, 51, 18, 13, 12, 21, 19, 20, 11,
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18, 85, 36, 37, 38, 21, 19, 20, 81, 82,
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8, 18, 52, 7, 48, 66, 21, 19, 20, 87,
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18, 10, 51, 31, 13, 12, 60, 55, 28, 11,
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65, 18, 21, 19, 20, 57, 21, 19, 20, 29,
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8, 74, 23, 7, 62, 40, 39, 18, 73, 77,
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76, 18, 80, 75, 10, 19, 20, 13, 12, 79,
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86, 78, 11, 64, 89, 63, 41, 40, 71, 18,
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46, 25, 93, 8, 44, 27, 7, 83, 69, 96,
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94, 91, 58, 43, 9, 17, 54, 31, 92, 35,
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33, 45, 16, 13, 97, 95, 90, 61, 73, 88,
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32, 68, 25, 34, 2, 3, 14, 5, 4, 1,
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42, 84, 15, 26, 70, 67, 47,
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}
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var yyPact = []int{
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120, -1000, -1000, 68, 94, -1000, 41, 68, 116, 70,
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20, 31, -1000, -1000, -1000, 104, 117, -1000, 101, 68,
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68, 68, 37, 60, -1000, 79, -1000, 85, 5, 68,
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93, 19, 30, -1000, 83, -22, -10, -17, 59, -1000,
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116, -1000, 110, -1000, -1000, -1000, 38, 56, -1000, -1000,
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41, -1000, 21, 7, -1000, 115, 74, 62, 68, -1000,
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-1000, -1000, -1000, -1000, 35, 95, 68, 52, -1000, 68,
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2, -1000, -1000, 73, 1, -1000, 93, 10, -1000, 113,
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41, -1000, 112, 109, 80, 100, -1000, -1000, -1000, -1000,
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-1000, 30, -1000, 78, 108, 76, 107, -1000,
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}
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var yyPgo = []int{
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0, 136, 135, 4, 1, 134, 0, 5, 62, 133,
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2, 8, 132, 3, 131, 104, 130, 129, 128, 127,
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126,
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}
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var yyR1 = []int{
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0, 17, 17, 18, 18, 19, 20, 20, 14, 14,
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12, 12, 15, 15, 6, 6, 6, 5, 5, 4,
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9, 9, 9, 8, 8, 7, 16, 16, 10, 10,
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10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
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13, 13, 3, 3, 2, 2, 1, 1, 11, 11,
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}
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var yyR2 = []int{
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0, 2, 2, 0, 2, 1, 5, 11, 0, 2,
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0, 1, 1, 1, 0, 3, 2, 1, 3, 3,
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0, 2, 3, 1, 3, 3, 1, 1, 3, 3,
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2, 4, 3, 4, 6, 6, 3, 3, 3, 1,
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0, 1, 0, 4, 1, 3, 1, 3, 1, 1,
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}
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var yyChk = []int{
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-1000, -17, 4, 5, -18, -19, -10, 28, 25, -15,
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6, 14, 10, 9, -20, -12, 18, 11, 30, 16,
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17, 15, -10, -8, -7, 6, -9, 25, 28, 28,
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-3, 12, -15, 6, 6, 8, -10, -10, -10, 29,
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27, 26, -16, 24, 15, 26, -8, -1, 29, -11,
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-10, 7, -10, -13, 13, 28, -6, 25, 19, 31,
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-7, 7, 26, 29, 27, 29, 28, -2, 6, 24,
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-5, 26, -4, 6, -10, -11, -3, -10, 29, 27,
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-10, 26, 27, 24, -14, 20, -13, 29, 6, -4,
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7, 21, 8, -6, 22, 7, 23, 7,
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}
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var yyDef = []int{
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0, -2, 3, 0, -2, 2, 5, 0, 0, 20,
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13, 42, 39, 12, 4, 0, 0, 11, 0, 0,
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0, 0, 0, 0, 23, 0, 30, 0, 0, 0,
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40, 0, 14, 13, 0, 0, 36, 37, 38, 28,
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0, 29, 0, 26, 27, 21, 0, 0, 32, 46,
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48, 49, 0, 0, 41, 0, 0, 0, 0, 33,
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24, 25, 22, 31, 0, 42, 0, 0, 44, 0,
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0, 16, 17, 0, 8, 47, 40, 0, 43, 0,
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6, 15, 0, 0, 0, 0, 34, 35, 45, 18,
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19, 14, 9, 0, 0, 0, 0, 7,
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}
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var yyTok1 = []int{
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1, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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28, 29, 3, 3, 27, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 24, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 30, 3, 31, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 25, 3, 26,
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}
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var yyTok2 = []int{
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2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
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12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
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22, 23,
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}
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var yyTok3 = []int{
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0,
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}
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//line yaccpar:1
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/* parser for yacc output */
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var yyDebug = 0
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type yyLexer interface {
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Lex(lval *yySymType) int
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Error(s string)
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}
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const yyFlag = -1000
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func yyTokname(c int) string {
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// 4 is TOKSTART above
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if c >= 4 && c-4 < len(yyToknames) {
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if yyToknames[c-4] != "" {
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return yyToknames[c-4]
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}
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}
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return __yyfmt__.Sprintf("tok-%v", c)
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}
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func yyStatname(s int) string {
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if s >= 0 && s < len(yyStatenames) {
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if yyStatenames[s] != "" {
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return yyStatenames[s]
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}
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}
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return __yyfmt__.Sprintf("state-%v", s)
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}
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func yylex1(lex yyLexer, lval *yySymType) int {
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c := 0
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char := lex.Lex(lval)
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if char <= 0 {
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c = yyTok1[0]
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goto out
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}
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if char < len(yyTok1) {
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c = yyTok1[char]
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goto out
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}
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if char >= yyPrivate {
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if char < yyPrivate+len(yyTok2) {
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c = yyTok2[char-yyPrivate]
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goto out
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}
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}
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for i := 0; i < len(yyTok3); i += 2 {
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c = yyTok3[i+0]
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if c == char {
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c = yyTok3[i+1]
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goto out
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}
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}
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out:
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if c == 0 {
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c = yyTok2[1] /* unknown char */
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}
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if yyDebug >= 3 {
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__yyfmt__.Printf("lex %s(%d)\n", yyTokname(c), uint(char))
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}
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return c
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}
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func yyParse(yylex yyLexer) int {
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var yyn int
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var yylval yySymType
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var yyVAL yySymType
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yyS := make([]yySymType, yyMaxDepth)
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Nerrs := 0 /* number of errors */
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Errflag := 0 /* error recovery flag */
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yystate := 0
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yychar := -1
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yyp := -1
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goto yystack
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ret0:
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return 0
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ret1:
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return 1
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yystack:
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/* put a state and value onto the stack */
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if yyDebug >= 4 {
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__yyfmt__.Printf("char %v in %v\n", yyTokname(yychar), yyStatname(yystate))
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}
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yyp++
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if yyp >= len(yyS) {
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nyys := make([]yySymType, len(yyS)*2)
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copy(nyys, yyS)
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yyS = nyys
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}
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yyS[yyp] = yyVAL
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yyS[yyp].yys = yystate
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yynewstate:
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yyn = yyPact[yystate]
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if yyn <= yyFlag {
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goto yydefault /* simple state */
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}
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if yychar < 0 {
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yychar = yylex1(yylex, &yylval)
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}
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yyn += yychar
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if yyn < 0 || yyn >= yyLast {
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goto yydefault
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}
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yyn = yyAct[yyn]
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if yyChk[yyn] == yychar { /* valid shift */
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yychar = -1
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yyVAL = yylval
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yystate = yyn
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if Errflag > 0 {
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Errflag--
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}
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goto yystack
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}
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yydefault:
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/* default state action */
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yyn = yyDef[yystate]
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if yyn == -2 {
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if yychar < 0 {
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yychar = yylex1(yylex, &yylval)
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}
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/* look through exception table */
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xi := 0
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for {
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if yyExca[xi+0] == -1 && yyExca[xi+1] == yystate {
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break
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}
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xi += 2
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}
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for xi += 2; ; xi += 2 {
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yyn = yyExca[xi+0]
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if yyn < 0 || yyn == yychar {
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break
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}
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}
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yyn = yyExca[xi+1]
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if yyn < 0 {
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goto ret0
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}
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}
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if yyn == 0 {
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/* error ... attempt to resume parsing */
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switch Errflag {
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case 0: /* brand new error */
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yylex.Error("syntax error")
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Nerrs++
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if yyDebug >= 1 {
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__yyfmt__.Printf("%s", yyStatname(yystate))
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__yyfmt__.Printf(" saw %s\n", yyTokname(yychar))
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}
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fallthrough
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case 1, 2: /* incompletely recovered error ... try again */
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Errflag = 3
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/* find a state where "error" is a legal shift action */
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for yyp >= 0 {
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yyn = yyPact[yyS[yyp].yys] + yyErrCode
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if yyn >= 0 && yyn < yyLast {
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yystate = yyAct[yyn] /* simulate a shift of "error" */
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if yyChk[yystate] == yyErrCode {
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goto yystack
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}
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}
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/* the current p has no shift on "error", pop stack */
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if yyDebug >= 2 {
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__yyfmt__.Printf("error recovery pops state %d\n", yyS[yyp].yys)
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}
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yyp--
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}
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/* there is no state on the stack with an error shift ... abort */
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goto ret1
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case 3: /* no shift yet; clobber input char */
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if yyDebug >= 2 {
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__yyfmt__.Printf("error recovery discards %s\n", yyTokname(yychar))
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}
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if yychar == yyEofCode {
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goto ret1
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}
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yychar = -1
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goto yynewstate /* try again in the same state */
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}
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}
|
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|
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/* reduction by production yyn */
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if yyDebug >= 2 {
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__yyfmt__.Printf("reduce %v in:\n\t%v\n", yyn, yyStatname(yystate))
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}
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yynt := yyn
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yypt := yyp
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_ = yypt // guard against "declared and not used"
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yyp -= yyR2[yyn]
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yyVAL = yyS[yyp+1]
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|
|
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/* consult goto table to find next state */
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yyn = yyR1[yyn]
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yyg := yyPgo[yyn]
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yyj := yyg + yyS[yyp].yys + 1
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|
|
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if yyj >= yyLast {
|
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yystate = yyAct[yyg]
|
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} else {
|
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yystate = yyAct[yyj]
|
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if yyChk[yystate] != -yyn {
|
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yystate = yyAct[yyg]
|
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}
|
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}
|
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// dummy call; replaced with literal code
|
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switch yynt {
|
|
|
|
case 5:
|
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//line parser.y:74
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{
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yylex.(*RulesLexer).parsedExpr = yyS[yypt-0].ruleNode
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}
|
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case 6:
|
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//line parser.y:79
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{
|
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rule, err := CreateRecordingRule(yyS[yypt-3].str, yyS[yypt-2].labelSet, yyS[yypt-0].ruleNode, yyS[yypt-4].boolean)
|
|
if err != nil {
|
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yylex.Error(err.Error())
|
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return 1
|
|
}
|
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yylex.(*RulesLexer).parsedRules = append(yylex.(*RulesLexer).parsedRules, rule)
|
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}
|
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case 7:
|
|
//line parser.y:85
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{
|
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rule, err := CreateAlertingRule(yyS[yypt-9].str, yyS[yypt-7].ruleNode, yyS[yypt-6].str, yyS[yypt-4].labelSet, yyS[yypt-2].str, yyS[yypt-0].str)
|
|
if err != nil {
|
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yylex.Error(err.Error())
|
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return 1
|
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}
|
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yylex.(*RulesLexer).parsedRules = append(yylex.(*RulesLexer).parsedRules, rule)
|
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}
|
|
case 8:
|
|
//line parser.y:93
|
|
{
|
|
yyVAL.str = "0s"
|
|
}
|
|
case 9:
|
|
//line parser.y:95
|
|
{
|
|
yyVAL.str = yyS[yypt-0].str
|
|
}
|
|
case 10:
|
|
//line parser.y:99
|
|
{
|
|
yyVAL.boolean = false
|
|
}
|
|
case 11:
|
|
//line parser.y:101
|
|
{
|
|
yyVAL.boolean = true
|
|
}
|
|
case 12:
|
|
//line parser.y:105
|
|
{
|
|
yyVAL.str = yyS[yypt-0].str
|
|
}
|
|
case 13:
|
|
//line parser.y:107
|
|
{
|
|
yyVAL.str = yyS[yypt-0].str
|
|
}
|
|
case 14:
|
|
//line parser.y:111
|
|
{
|
|
yyVAL.labelSet = clientmodel.LabelSet{}
|
|
}
|
|
case 15:
|
|
//line parser.y:113
|
|
{
|
|
yyVAL.labelSet = yyS[yypt-1].labelSet
|
|
}
|
|
case 16:
|
|
//line parser.y:115
|
|
{
|
|
yyVAL.labelSet = clientmodel.LabelSet{}
|
|
}
|
|
case 17:
|
|
//line parser.y:118
|
|
{
|
|
yyVAL.labelSet = yyS[yypt-0].labelSet
|
|
}
|
|
case 18:
|
|
//line parser.y:120
|
|
{
|
|
for k, v := range yyS[yypt-0].labelSet {
|
|
yyVAL.labelSet[k] = v
|
|
}
|
|
}
|
|
case 19:
|
|
//line parser.y:124
|
|
{
|
|
yyVAL.labelSet = clientmodel.LabelSet{clientmodel.LabelName(yyS[yypt-2].str): clientmodel.LabelValue(yyS[yypt-0].str)}
|
|
}
|
|
case 20:
|
|
//line parser.y:128
|
|
{
|
|
yyVAL.labelMatchers = metric.LabelMatchers{}
|
|
}
|
|
case 21:
|
|
//line parser.y:130
|
|
{
|
|
yyVAL.labelMatchers = metric.LabelMatchers{}
|
|
}
|
|
case 22:
|
|
//line parser.y:132
|
|
{
|
|
yyVAL.labelMatchers = yyS[yypt-1].labelMatchers
|
|
}
|
|
case 23:
|
|
//line parser.y:136
|
|
{
|
|
yyVAL.labelMatchers = metric.LabelMatchers{yyS[yypt-0].labelMatcher}
|
|
}
|
|
case 24:
|
|
//line parser.y:138
|
|
{
|
|
yyVAL.labelMatchers = append(yyVAL.labelMatchers, yyS[yypt-0].labelMatcher)
|
|
}
|
|
case 25:
|
|
//line parser.y:142
|
|
{
|
|
var err error
|
|
yyVAL.labelMatcher, err = newLabelMatcher(yyS[yypt-1].str, clientmodel.LabelName(yyS[yypt-2].str), clientmodel.LabelValue(yyS[yypt-0].str))
|
|
if err != nil {
|
|
yylex.Error(err.Error())
|
|
return 1
|
|
}
|
|
}
|
|
case 26:
|
|
//line parser.y:150
|
|
{
|
|
yyVAL.str = "="
|
|
}
|
|
case 27:
|
|
//line parser.y:152
|
|
{
|
|
yyVAL.str = yyS[yypt-0].str
|
|
}
|
|
case 28:
|
|
//line parser.y:156
|
|
{
|
|
yyVAL.ruleNode = yyS[yypt-1].ruleNode
|
|
}
|
|
case 29:
|
|
//line parser.y:158
|
|
{
|
|
yyVAL.ruleNode = ast.NewVectorSelector(yyS[yypt-1].labelMatchers)
|
|
}
|
|
case 30:
|
|
//line parser.y:160
|
|
{
|
|
var err error
|
|
m, err := metric.NewLabelMatcher(metric.Equal, clientmodel.MetricNameLabel, clientmodel.LabelValue(yyS[yypt-1].str))
|
|
if err != nil {
|
|
yylex.Error(err.Error())
|
|
return 1
|
|
}
|
|
yyS[yypt-0].labelMatchers = append(yyS[yypt-0].labelMatchers, m)
|
|
yyVAL.ruleNode = ast.NewVectorSelector(yyS[yypt-0].labelMatchers)
|
|
}
|
|
case 31:
|
|
//line parser.y:168
|
|
{
|
|
var err error
|
|
yyVAL.ruleNode, err = NewFunctionCall(yyS[yypt-3].str, yyS[yypt-1].ruleNodeSlice)
|
|
if err != nil {
|
|
yylex.Error(err.Error())
|
|
return 1
|
|
}
|
|
}
|
|
case 32:
|
|
//line parser.y:174
|
|
{
|
|
var err error
|
|
yyVAL.ruleNode, err = NewFunctionCall(yyS[yypt-2].str, []ast.Node{})
|
|
if err != nil {
|
|
yylex.Error(err.Error())
|
|
return 1
|
|
}
|
|
}
|
|
case 33:
|
|
//line parser.y:180
|
|
{
|
|
var err error
|
|
yyVAL.ruleNode, err = NewMatrixSelector(yyS[yypt-3].ruleNode, yyS[yypt-1].str)
|
|
if err != nil {
|
|
yylex.Error(err.Error())
|
|
return 1
|
|
}
|
|
}
|
|
case 34:
|
|
//line parser.y:186
|
|
{
|
|
var err error
|
|
yyVAL.ruleNode, err = NewVectorAggregation(yyS[yypt-5].str, yyS[yypt-3].ruleNode, yyS[yypt-1].labelNameSlice, yyS[yypt-0].boolean)
|
|
if err != nil {
|
|
yylex.Error(err.Error())
|
|
return 1
|
|
}
|
|
}
|
|
case 35:
|
|
//line parser.y:192
|
|
{
|
|
var err error
|
|
yyVAL.ruleNode, err = NewVectorAggregation(yyS[yypt-5].str, yyS[yypt-1].ruleNode, yyS[yypt-4].labelNameSlice, yyS[yypt-3].boolean)
|
|
if err != nil {
|
|
yylex.Error(err.Error())
|
|
return 1
|
|
}
|
|
}
|
|
case 36:
|
|
//line parser.y:200
|
|
{
|
|
var err error
|
|
yyVAL.ruleNode, err = NewArithExpr(yyS[yypt-1].str, yyS[yypt-2].ruleNode, yyS[yypt-0].ruleNode)
|
|
if err != nil {
|
|
yylex.Error(err.Error())
|
|
return 1
|
|
}
|
|
}
|
|
case 37:
|
|
//line parser.y:206
|
|
{
|
|
var err error
|
|
yyVAL.ruleNode, err = NewArithExpr(yyS[yypt-1].str, yyS[yypt-2].ruleNode, yyS[yypt-0].ruleNode)
|
|
if err != nil {
|
|
yylex.Error(err.Error())
|
|
return 1
|
|
}
|
|
}
|
|
case 38:
|
|
//line parser.y:212
|
|
{
|
|
var err error
|
|
yyVAL.ruleNode, err = NewArithExpr(yyS[yypt-1].str, yyS[yypt-2].ruleNode, yyS[yypt-0].ruleNode)
|
|
if err != nil {
|
|
yylex.Error(err.Error())
|
|
return 1
|
|
}
|
|
}
|
|
case 39:
|
|
//line parser.y:218
|
|
{
|
|
yyVAL.ruleNode = ast.NewScalarLiteral(yyS[yypt-0].num)
|
|
}
|
|
case 40:
|
|
//line parser.y:222
|
|
{
|
|
yyVAL.boolean = false
|
|
}
|
|
case 41:
|
|
//line parser.y:224
|
|
{
|
|
yyVAL.boolean = true
|
|
}
|
|
case 42:
|
|
//line parser.y:228
|
|
{
|
|
yyVAL.labelNameSlice = clientmodel.LabelNames{}
|
|
}
|
|
case 43:
|
|
//line parser.y:230
|
|
{
|
|
yyVAL.labelNameSlice = yyS[yypt-1].labelNameSlice
|
|
}
|
|
case 44:
|
|
//line parser.y:234
|
|
{
|
|
yyVAL.labelNameSlice = clientmodel.LabelNames{clientmodel.LabelName(yyS[yypt-0].str)}
|
|
}
|
|
case 45:
|
|
//line parser.y:236
|
|
{
|
|
yyVAL.labelNameSlice = append(yyVAL.labelNameSlice, clientmodel.LabelName(yyS[yypt-0].str))
|
|
}
|
|
case 46:
|
|
//line parser.y:240
|
|
{
|
|
yyVAL.ruleNodeSlice = []ast.Node{yyS[yypt-0].ruleNode}
|
|
}
|
|
case 47:
|
|
//line parser.y:242
|
|
{
|
|
yyVAL.ruleNodeSlice = append(yyVAL.ruleNodeSlice, yyS[yypt-0].ruleNode)
|
|
}
|
|
case 48:
|
|
//line parser.y:246
|
|
{
|
|
yyVAL.ruleNode = yyS[yypt-0].ruleNode
|
|
}
|
|
case 49:
|
|
//line parser.y:248
|
|
{
|
|
yyVAL.ruleNode = ast.NewStringLiteral(yyS[yypt-0].str)
|
|
}
|
|
}
|
|
goto yystack /* stack new state and value */
|
|
}
|