//line query_syntax.y:2 package bleve import __yyfmt__ "fmt" //line query_syntax.y:2 import "log" func logDebugGrammar(format string, v ...interface{}) { if debugParser { log.Printf(format, v...) } } //line query_syntax.y:12 type yySymType struct { yys int s string n int f float64 } const STRING = 57346 const PHRASE = 57347 const PLUS = 57348 const MINUS = 57349 const COLON = 57350 const BOOST = 57351 const LPAREN = 57352 const RPAREN = 57353 const NUMBER = 57354 var yyToknames = []string{ "STRING", "PHRASE", "PLUS", "MINUS", "COLON", "BOOST", "LPAREN", "RPAREN", "NUMBER", } var yyStatenames = []string{} const yyEofCode = 1 const yyErrCode = 2 const yyMaxDepth = 200 //line yacctab:1 var yyExca = []int{ -1, 1, 1, -1, -2, 0, -1, 3, 1, 3, -2, 5, } const yyNprod = 16 const yyPrivate = 57344 var yyTokenNames []string var yyStates []string const yyLast = 18 var yyAct = []int{ 16, 14, 15, 6, 7, 17, 18, 10, 11, 2, 13, 5, 12, 8, 9, 4, 3, 1, } var yyPact = []int{ -3, -1000, -1000, -3, 3, -1000, -1000, -1000, -1000, -8, -6, -1000, -1000, -1000, -12, 1, -1000, -1000, -1000, } var yyPgo = []int{ 0, 17, 9, 16, 15, 14, 12, 11, 10, } var yyR1 = []int{ 0, 1, 2, 2, 3, 4, 4, 7, 7, 5, 5, 5, 5, 8, 6, 6, } var yyR2 = []int{ 0, 1, 2, 1, 3, 0, 1, 1, 1, 1, 1, 3, 3, 2, 0, 1, } var yyChk = []int{ -1000, -1, -2, -3, -4, -7, 6, 7, -2, -5, 4, 5, -6, -8, 9, 8, 12, 4, 5, } var yyDef = []int{ 5, -2, 1, -2, 0, 6, 7, 8, 2, 14, 9, 10, 4, 15, 0, 0, 13, 11, 12, } var yyTok1 = []int{ 1, } var yyTok2 = []int{ 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, } 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 { // 4 is TOKSTART above if c >= 4 && c-4 < len(yyToknames) { if yyToknames[c-4] != "" { return yyToknames[c-4] } } return __yyfmt__.Sprintf("tok-%v", c) } func yyStatname(s int) string { if s >= 0 && s < len(yyStatenames) { if yyStatenames[s] != "" { return yyStatenames[s] } } return __yyfmt__.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 { __yyfmt__.Printf("lex %s(%d)\n", yyTokname(c), uint(char)) } 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 { __yyfmt__.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 { __yyfmt__.Printf("%s", yyStatname(yystate)) __yyfmt__.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 { __yyfmt__.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 { __yyfmt__.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 { __yyfmt__.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 1: //line query_syntax.y:22 { logDebugGrammar("INPUT") } case 2: //line query_syntax.y:27 { logDebugGrammar("SEARCH PARTS") } case 3: //line query_syntax.y:31 { logDebugGrammar("SEARCH PART") } case 4: //line query_syntax.y:36 { } case 5: //line query_syntax.y:42 { } case 6: //line query_syntax.y:45 { } case 7: //line query_syntax.y:51 { logDebugGrammar("PLUS") parsingMust = true } case 8: //line query_syntax.y:56 { logDebugGrammar("MINUS") parsingMustNot = true } case 9: //line query_syntax.y:62 { str := yyS[yypt-0].s logDebugGrammar("STRING - %s", str) q := NewMatchQuery(str) if parsingMust { parsingMustList.AddQuery(q) parsingMust = false } else if parsingMustNot { parsingMustNotList.AddQuery(q) parsingMustNot = false } else { parsingShouldList.AddQuery(q) } parsingLastQuery = q } case 10: //line query_syntax.y:78 { phrase := yyS[yypt-0].s logDebugGrammar("PHRASE - %s", phrase) q := NewMatchPhraseQuery(phrase) if parsingMust { parsingMustList.AddQuery(q) parsingMust = false } else if parsingMustNot { parsingMustNotList.AddQuery(q) parsingMustNot = false } else { parsingShouldList.AddQuery(q) } parsingLastQuery = q } case 11: //line query_syntax.y:94 { field := yyS[yypt-2].s str := yyS[yypt-0].s logDebugGrammar("FIELD - %s STRING - %s", field, str) q := NewMatchQuery(str).SetField(field) if parsingMust { parsingMustList.AddQuery(q) parsingMust = false } else if parsingMustNot { parsingMustNotList.AddQuery(q) parsingMustNot = false } else { parsingShouldList.AddQuery(q) } parsingLastQuery = q } case 12: //line query_syntax.y:111 { field := yyS[yypt-2].s phrase := yyS[yypt-0].s logDebugGrammar("FIELD - %s PHRASE - %s", field, phrase) q := NewMatchPhraseQuery(phrase).SetField(field) if parsingMust { parsingMustList.AddQuery(q) parsingMust = false } else if parsingMustNot { parsingMustNotList.AddQuery(q) parsingMustNot = false } else { parsingShouldList.AddQuery(q) } parsingLastQuery = q } case 13: //line query_syntax.y:130 { boost := yyS[yypt-0].f if parsingLastQuery != nil { switch parsingLastQuery := parsingLastQuery.(type) { case *MatchQuery: parsingLastQuery.SetBoost(boost) case *MatchPhraseQuery: parsingLastQuery.SetBoost(boost) } } logDebugGrammar("BOOST %f", boost) } case 14: //line query_syntax.y:144 { } case 15: //line query_syntax.y:148 { } } goto yystack /* stack new state and value */ }