%{ // 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 %} D [0-9] L [a-zA-Z_] M [a-zA-Z_:] C [^\n] S [ ] %x sComment sMeta1 sMeta2 sLabels sLValue sValue sTimestamp sExemplar sEValue sETimestamp %yyc c %yyn c = l.next() %yyt l.state %% #{S} l.state = sComment <sComment>HELP{S} l.state = sMeta1; return tHelp <sComment>TYPE{S} l.state = sMeta1; return tType <sComment>UNIT{S} l.state = sMeta1; return tUnit <sComment>"EOF"\n? l.state = sInit; return tEOFWord <sMeta1>{M}({M}|{D})* l.state = sMeta2; return tMName <sMeta2>{S}{C}*\n l.state = sInit; return tText {M}({M}|{D})* l.state = sValue; return tMName <sValue>\{ l.state = sLabels; return tBraceOpen <sLabels>{L}({L}|{D})* return tLName <sLabels>\} l.state = sValue; return tBraceClose <sLabels>= l.state = sLValue; return tEqual <sLabels>, return tComma <sLValue>\"(\\.|[^\\"\n])*\" l.state = sLabels; return tLValue <sValue>{S}[^ \n]+ l.state = sTimestamp; return tValue <sTimestamp>{S}[^ \n]+ return tTimestamp <sTimestamp>\n l.state = sInit; return tLinebreak <sTimestamp>{S}#{S}\{ l.state = sExemplar; return tComment <sExemplar>{L}({L}|{D})* return tLName <sExemplar>\} l.state = sEValue; return tBraceClose <sExemplar>= l.state = sEValue; return tEqual <sEValue>\"(\\.|[^\\"\n])*\" l.state = sExemplar; return tLValue <sExemplar>, return tComma <sEValue>{S}[^ \n]+ l.state = sETimestamp; return tValue <sETimestamp>{S}[^ \n]+ return tTimestamp <sETimestamp>\n l.state = sInit; return tLinebreak %% return tInvalid }