prometheus/pkg/textparse/openmetricslex.l.go

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// CAUTION: Generated file - DO NOT EDIT.
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package textparse
import (
"fmt"
)
// Lex is called by the parser generated by "go tool yacc" to obtain each
// token. The method is opened before the matching rules block and closed at
// the end of the file.
func (l *openMetricsLexer) Lex() token {
if l.i >= len(l.b) {
return tEOF
}
c := l.b[l.i]
l.start = l.i
yystate0:
switch yyt := l.state; yyt {
default:
panic(fmt.Errorf(`invalid start condition %d`, yyt))
case 0: // start condition: INITIAL
goto yystart1
case 1: // start condition: sComment
goto yystart5
case 2: // start condition: sMeta1
goto yystart25
case 3: // start condition: sMeta2
goto yystart27
case 4: // start condition: sLabels
goto yystart30
case 5: // start condition: sLValue
goto yystart35
case 6: // start condition: sValue
goto yystart39
case 7: // start condition: sTimestamp
goto yystart43
}
goto yystate0 // silence unused label error
goto yystate1 // silence unused label error
yystate1:
c = l.next()
yystart1:
switch {
default:
goto yyabort
case c == '#':
goto yystate2
case c == ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate4
}
yystate2:
c = l.next()
switch {
default:
goto yyabort
case c == ' ':
goto yystate3
}
yystate3:
c = l.next()
goto yyrule1
yystate4:
c = l.next()
switch {
default:
goto yyrule8
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate4
}
goto yystate5 // silence unused label error
yystate5:
c = l.next()
yystart5:
switch {
default:
goto yyabort
case c == 'E':
goto yystate6
case c == 'H':
goto yystate10
case c == 'T':
goto yystate15
case c == 'U':
goto yystate20
}
yystate6:
c = l.next()
switch {
default:
goto yyabort
case c == 'O':
goto yystate7
}
yystate7:
c = l.next()
switch {
default:
goto yyabort
case c == 'F':
goto yystate8
}
yystate8:
c = l.next()
switch {
default:
goto yyrule5
case c == '\n':
goto yystate9
}
yystate9:
c = l.next()
goto yyrule5
yystate10:
c = l.next()
switch {
default:
goto yyabort
case c == 'E':
goto yystate11
}
yystate11:
c = l.next()
switch {
default:
goto yyabort
case c == 'L':
goto yystate12
}
yystate12:
c = l.next()
switch {
default:
goto yyabort
case c == 'P':
goto yystate13
}
yystate13:
c = l.next()
switch {
default:
goto yyabort
case c == ' ':
goto yystate14
}
yystate14:
c = l.next()
goto yyrule2
yystate15:
c = l.next()
switch {
default:
goto yyabort
case c == 'Y':
goto yystate16
}
yystate16:
c = l.next()
switch {
default:
goto yyabort
case c == 'P':
goto yystate17
}
yystate17:
c = l.next()
switch {
default:
goto yyabort
case c == 'E':
goto yystate18
}
yystate18:
c = l.next()
switch {
default:
goto yyabort
case c == ' ':
goto yystate19
}
yystate19:
c = l.next()
goto yyrule3
yystate20:
c = l.next()
switch {
default:
goto yyabort
case c == 'N':
goto yystate21
}
yystate21:
c = l.next()
switch {
default:
goto yyabort
case c == 'I':
goto yystate22
}
yystate22:
c = l.next()
switch {
default:
goto yyabort
case c == 'T':
goto yystate23
}
yystate23:
c = l.next()
switch {
default:
goto yyabort
case c == ' ':
goto yystate24
}
yystate24:
c = l.next()
goto yyrule4
goto yystate25 // silence unused label error
yystate25:
c = l.next()
yystart25:
switch {
default:
goto yyabort
case c == ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate26
}
yystate26:
c = l.next()
switch {
default:
goto yyrule6
case c >= '0' && c <= ':' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate26
}
goto yystate27 // silence unused label error
yystate27:
c = l.next()
yystart27:
switch {
default:
goto yyabort
case c == ' ':
goto yystate28
}
yystate28:
c = l.next()
switch {
default:
goto yyabort
case c == '\n':
goto yystate29
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= 'ÿ':
goto yystate28
}
yystate29:
c = l.next()
goto yyrule7
goto yystate30 // silence unused label error
yystate30:
c = l.next()
yystart30:
switch {
default:
goto yyabort
case c == ',':
goto yystate31
case c == '=':
goto yystate32
case c == '}':
goto yystate34
case c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate33
}
yystate31:
c = l.next()
goto yyrule13
yystate32:
c = l.next()
goto yyrule12
yystate33:
c = l.next()
switch {
default:
goto yyrule10
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z':
goto yystate33
}
yystate34:
c = l.next()
goto yyrule11
goto yystate35 // silence unused label error
yystate35:
c = l.next()
yystart35:
switch {
default:
goto yyabort
case c == '"':
goto yystate36
}
yystate36:
c = l.next()
switch {
default:
goto yyabort
case c == '"':
goto yystate37
case c == '\\':
goto yystate38
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= '!' || c >= '#' && c <= '[' || c >= ']' && c <= 'ÿ':
goto yystate36
}
yystate37:
c = l.next()
goto yyrule14
yystate38:
c = l.next()
switch {
default:
goto yyabort
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= 'ÿ':
goto yystate36
}
goto yystate39 // silence unused label error
yystate39:
c = l.next()
yystart39:
switch {
default:
goto yyabort
case c == ' ':
goto yystate40
case c == '{':
goto yystate42
}
yystate40:
c = l.next()
switch {
default:
goto yyabort
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= '\x1f' || c >= '!' && c <= 'ÿ':
goto yystate41
}
yystate41:
c = l.next()
switch {
default:
goto yyrule15
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= '\x1f' || c >= '!' && c <= 'ÿ':
goto yystate41
}
yystate42:
c = l.next()
goto yyrule9
goto yystate43 // silence unused label error
yystate43:
c = l.next()
yystart43:
switch {
default:
goto yyabort
case c == ' ':
goto yystate45
case c == '\n':
goto yystate44
}
yystate44:
c = l.next()
goto yyrule18
yystate45:
c = l.next()
switch {
default:
goto yyabort
case c == '#':
goto yystate47
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= '\x1f' || c == '!' || c == '"' || c >= '$' && c <= 'ÿ':
goto yystate46
}
yystate46:
c = l.next()
switch {
default:
goto yyrule16
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= '\x1f' || c >= '!' && c <= 'ÿ':
goto yystate46
}
yystate47:
c = l.next()
switch {
default:
goto yyrule16
case c == ' ':
goto yystate48
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= '\x1f' || c >= '!' && c <= 'ÿ':
goto yystate46
}
yystate48:
c = l.next()
switch {
default:
goto yyabort
case c == '\n':
goto yystate49
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= 'ÿ':
goto yystate48
}
yystate49:
c = l.next()
goto yyrule17
yyrule1: // #{S}
{
l.state = sComment
goto yystate0
}
yyrule2: // HELP{S}
{
l.state = sMeta1
return tHelp
goto yystate0
}
yyrule3: // TYPE{S}
{
l.state = sMeta1
return tType
goto yystate0
}
yyrule4: // UNIT{S}
{
l.state = sMeta1
return tUnit
goto yystate0
}
yyrule5: // "EOF"\n?
{
l.state = sInit
return tEofWord
goto yystate0
}
yyrule6: // {M}({M}|{D})*
{
l.state = sMeta2
return tMName
goto yystate0
}
yyrule7: // {S}{C}*\n
{
l.state = sInit
return tText
goto yystate0
}
yyrule8: // {M}({M}|{D})*
{
l.state = sValue
return tMName
goto yystate0
}
yyrule9: // \{
{
l.state = sLabels
return tBraceOpen
goto yystate0
}
yyrule10: // {L}({L}|{D})*
{
return tLName
}
yyrule11: // \}
{
l.state = sValue
return tBraceClose
goto yystate0
}
yyrule12: // =
{
l.state = sLValue
return tEqual
goto yystate0
}
yyrule13: // ,
{
return tComma
}
yyrule14: // \"(\\.|[^\\"\n])*\"
{
l.state = sLabels
return tLValue
goto yystate0
}
yyrule15: // {S}[^ \n]+
{
l.state = sTimestamp
return tValue
goto yystate0
}
yyrule16: // {S}[^ \n]+
{
return tTimestamp
}
yyrule17: // {S}#{S}{C}*\n
{
l.state = sInit
return tLinebreak
goto yystate0
}
yyrule18: // \n
{
l.state = sInit
return tLinebreak
goto yystate0
}
panic("unreachable")
goto yyabort // silence unused label error
yyabort: // no lexem recognized
return tInvalid
}