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57 lines
2.1 KiB
Plaintext
57 lines
2.1 KiB
Plaintext
/* Copyright 2013 Prometheus Team
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http: *www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License. */
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%{
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package config
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%}
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D [0-9]
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L [a-zA-Z_]
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%s S_GLOBAL S_GLOBAL_LABELS S_JOB S_TARGETS S_TARGET_LABELS
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%x S_COMMENTS
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%%
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. { yypos++; REJECT }
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\n { yyline++; yypos = 1; REJECT }
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"/*" { BEGIN(S_COMMENTS); }
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<S_COMMENTS>"*/" { BEGIN(0) }
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<S_COMMENTS>. { /* ignore chars within multi-line comments */ }
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\/\/[^\r\n]*\n { /* gobble up one-line comments */ }
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<0>global { BEGIN(S_GLOBAL); return GLOBAL }
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<S_GLOBAL>labels { BEGIN(S_GLOBAL_LABELS); return LABELS }
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<S_GLOBAL>rule_files { return RULE_FILES }
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<S_GLOBAL_LABELS>"}" { BEGIN(S_GLOBAL); REJECT }
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<S_GLOBAL>"}" { BEGIN(0); REJECT }
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<0>job { BEGIN(S_JOB); return JOB }
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<S_JOB>targets { BEGIN(S_TARGETS); return TARGETS }
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<S_TARGETS>endpoints { return ENDPOINTS }
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<S_TARGETS>labels { BEGIN(S_TARGET_LABELS); return LABELS }
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<S_TARGET_LABELS>"}" { BEGIN(S_TARGETS); REJECT }
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<S_TARGETS>"}" { BEGIN(S_JOB); REJECT }
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<S_JOB>"}" { BEGIN(0); REJECT }
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{L}({L}|{D})+ { yylval.str = yytext; return IDENTIFIER }
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\"(\\.|[^\\"])*\" { yylval.str = yytext[1:len(yytext) - 1]; return STRING }
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\'(\\.|[^\\'])*\' { yylval.str = yytext[1:len(yytext) - 1]; return STRING }
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[{}\[\]()=,] { return int(yytext[0]) }
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. { /* don't print any remaining chars (whitespace) */ }
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\n { /* don't print any remaining chars (whitespace) */ }
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%%
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