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prometheus/config/parser.y.go

421 lines
8.3 KiB

//line parser.y:15
package config
import "fmt"
import "github.com/prometheus/prometheus/model"
//line parser.y:21
type yySymType struct {
yys int
num model.SampleValue
str string
stringSlice []string
labelSet model.LabelSet
}
const IDENTIFIER = 57346
const STRING = 57347
const GLOBAL = 57348
const JOB = 57349
const RULE_FILES = 57350
const LABELS = 57351
const TARGETS = 57352
const ENDPOINTS = 57353
var yyToknames = []string{
"IDENTIFIER",
"STRING",
"GLOBAL",
"JOB",
"RULE_FILES",
"LABELS",
"TARGETS",
"ENDPOINTS",
}
var yyStatenames = []string{}
const yyEofCode = 1
const yyErrCode = 2
const yyMaxDepth = 200
//line parser.y:115
//line yacctab:1
var yyExca = []int{
-1, 1,
1, -1,
-2, 0,
}
const yyNprod = 29
const yyPrivate = 57344
var yyTokenNames []string
var yyStates []string
const yyLast = 53
var yyAct = []int{
30, 28, 12, 48, 39, 47, 31, 34, 11, 35,
49, 36, 15, 14, 29, 18, 38, 9, 14, 23,
44, 19, 40, 27, 16, 50, 22, 20, 24, 21,
6, 5, 3, 4, 46, 32, 43, 45, 25, 29,
41, 33, 17, 10, 8, 7, 2, 1, 26, 42,
51, 13, 37,
}
var yyPact = []int{
-1000, 26, -1000, 19, 18, -1000, -1000, 4, 11, -1000,
-1000, 13, -1000, -1000, 17, 12, -1000, -1000, 5, 16,
33, 10, -10, 30, -1000, -1000, -6, -1000, -1000, -3,
-1000, -1, -1000, 9, -1000, 35, 29, -12, -1000, -1000,
-1000, -1000, -1000, -1000, -4, -1000, -1000, -1000, 20, -10,
-1000, -1000,
}
var yyPgo = []int{
0, 0, 52, 51, 49, 2, 1, 48, 47, 46,
45, 44, 43, 42, 41, 40,
}
var yyR1 = []int{
0, 8, 8, 9, 9, 10, 10, 12, 12, 12,
5, 5, 7, 7, 6, 3, 11, 11, 13, 13,
14, 14, 15, 15, 4, 1, 1, 2, 2,
}
var yyR2 = []int{
0, 0, 2, 4, 4, 0, 2, 3, 1, 1,
4, 3, 1, 3, 3, 3, 0, 2, 3, 4,
0, 2, 1, 1, 3, 3, 2, 1, 3,
}
var yyChk = []int{
-1000, -8, -9, 6, 7, 12, 12, -10, -11, 13,
-12, 4, -5, -3, 9, 8, 13, -13, 4, 10,
14, 12, 14, 14, 12, 5, -7, 13, -6, 4,
-1, 16, 5, -14, 13, 15, 14, -2, 17, 5,
13, -15, -4, -5, 11, -6, 5, 17, 15, 14,
5, -1,
}
var yyDef = []int{
1, -2, 2, 0, 0, 5, 16, 0, 0, 3,
6, 0, 8, 9, 0, 0, 4, 17, 0, 0,
0, 0, 0, 0, 20, 7, 0, 11, 12, 0,
15, 0, 18, 0, 10, 0, 0, 0, 26, 27,
19, 21, 22, 23, 0, 13, 14, 25, 0, 0,
28, 24,
}
var yyTok1 = []int{
1, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 15, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 14, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 16, 3, 17, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 12, 3, 13,
}
var yyTok2 = []int{
2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
}
var yyTok3 = []int{
0,
}
//line yaccpar:1
/* parser for yacc output */
var yyDebug = 0
type yyLexer interface {
Lex(lval *yySymType) int
Error(s string)
}
const yyFlag = -1000
func yyTokname(c int) string {
if c > 0 && c <= len(yyToknames) {
if yyToknames[c-1] != "" {
return yyToknames[c-1]
}
}
return fmt.Sprintf("tok-%v", c)
}
func yyStatname(s int) string {
if s >= 0 && s < len(yyStatenames) {
if yyStatenames[s] != "" {
return yyStatenames[s]
}
}
return fmt.Sprintf("state-%v", s)
}
func yylex1(lex yyLexer, lval *yySymType) int {
c := 0
char := lex.Lex(lval)
if char <= 0 {
c = yyTok1[0]
goto out
}
if char < len(yyTok1) {
c = yyTok1[char]
goto out
}
if char >= yyPrivate {
if char < yyPrivate+len(yyTok2) {
c = yyTok2[char-yyPrivate]
goto out
}
}
for i := 0; i < len(yyTok3); i += 2 {
c = yyTok3[i+0]
if c == char {
c = yyTok3[i+1]
goto out
}
}
out:
if c == 0 {
c = yyTok2[1] /* unknown char */
}
if yyDebug >= 3 {
fmt.Printf("lex %U %s\n", uint(char), yyTokname(c))
}
return c
}
func yyParse(yylex yyLexer) int {
var yyn int
var yylval yySymType
var yyVAL yySymType
yyS := make([]yySymType, yyMaxDepth)
Nerrs := 0 /* number of errors */
Errflag := 0 /* error recovery flag */
yystate := 0
yychar := -1
yyp := -1
goto yystack
ret0:
return 0
ret1:
return 1
yystack:
/* put a state and value onto the stack */
if yyDebug >= 4 {
fmt.Printf("char %v in %v\n", yyTokname(yychar), 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 yychar < 0 {
yychar = yylex1(yylex, &yylval)
}
yyn += yychar
if yyn < 0 || yyn >= yyLast {
goto yydefault
}
yyn = yyAct[yyn]
if yyChk[yyn] == yychar { /* valid shift */
yychar = -1
yyVAL = yylval
yystate = yyn
if Errflag > 0 {
Errflag--
}
goto yystack
}
yydefault:
/* default state action */
yyn = yyDef[yystate]
if yyn == -2 {
if yychar < 0 {
yychar = yylex1(yylex, &yylval)
}
/* 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 == yychar {
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("syntax error")
Nerrs++
if yyDebug >= 1 {
fmt.Printf("%s", yyStatname(yystate))
fmt.Printf("saw %s\n", yyTokname(yychar))
}
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 {
fmt.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 {
fmt.Printf("error recovery discards %s\n", yyTokname(yychar))
}
if yychar == yyEofCode {
goto ret1
}
yychar = -1
goto yynewstate /* try again in the same state */
}
}
/* reduction by production yyn */
if yyDebug >= 2 {
fmt.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]
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 4:
//line parser.y:45
{ PopJob() }
case 7:
//line parser.y:53
{ parsedConfig.Global.SetOption(yyS[yypt-2].str, yyS[yypt-0].str) }
case 8:
//line parser.y:55
{ parsedConfig.Global.SetLabels(yyS[yypt-0].labelSet) }
case 9:
//line parser.y:57
{ parsedConfig.Global.AddRuleFiles(yyS[yypt-0].stringSlice) }
case 10:
//line parser.y:61
{ yyVAL.labelSet = yyS[yypt-1].labelSet }
case 11:
//line parser.y:63
{ yyVAL.labelSet = model.LabelSet{} }
case 12:
//line parser.y:67
{ yyVAL.labelSet = yyS[yypt-0].labelSet }
case 13:
//line parser.y:69
{ for k, v := range yyS[yypt-0].labelSet { yyVAL.labelSet[k] = v } }
case 14:
//line parser.y:73
{ yyVAL.labelSet = model.LabelSet{ model.LabelName(yyS[yypt-2].str): model.LabelValue(yyS[yypt-0].str) } }
case 15:
//line parser.y:77
{ yyVAL.stringSlice = yyS[yypt-0].stringSlice }
case 18:
//line parser.y:85
{ PushJobOption(yyS[yypt-2].str, yyS[yypt-0].str) }
case 19:
//line parser.y:87
{ PushJobTargets() }
case 22:
//line parser.y:95
{ PushTargetEndpoints(yyS[yypt-0].stringSlice) }
case 23:
//line parser.y:97
{ PushTargetLabels(yyS[yypt-0].labelSet) }
case 24:
//line parser.y:101
{ yyVAL.stringSlice = yyS[yypt-0].stringSlice }
case 25:
//line parser.y:105
{ yyVAL.stringSlice = yyS[yypt-1].stringSlice }
case 26:
//line parser.y:107
{ yyVAL.stringSlice = []string{} }
case 27:
//line parser.y:111
{ yyVAL.stringSlice = []string{yyS[yypt-0].str} }
case 28:
//line parser.y:113
{ yyVAL.stringSlice = append(yyVAL.stringSlice, yyS[yypt-0].str) }
}
goto yystack /* stack new state and value */
}