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path: root/parser.go
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//line parser.y:2
package main

import __yyfmt__ "fmt"

//line parser.y:2
import "fmt"

var vars = map[string]interface{}{}

//line parser.y:9
type yySymType struct {
	yys  int
	sval string
	ival int64
	fval float64
	cval complex128
	any  interface{}
}

const STRING = 57346
const QUOTED = 57347
const INTEGER = 57348
const FLOAT = 57349
const COMPLEX = 57350
const QUOTE = 57351
const DOT = 57352
const RAVEL = 57353
const SLASH = 57354
const BACKSLASH = 57355
const LBRACE = 57356
const RBRACE = 57357
const LBRACKET = 57358
const RBRACKET = 57359
const PLUS = 57360
const MINUS = 57361
const DIAMOND = 57362
const EACH = 57363
const NEG = 57364
const LESS = 57365
const LESSEQ = 57366
const EQ = 57367
const MOREEQ = 57368
const MORE = 57369
const NEQ = 57370
const OR = 57371
const AND = 57372
const TIMES = 57373
const DIV = 57374
const GRADEDOWN = 57375
const GRADEUP = 57376
const ROTH = 57377
const TRANSPOSE = 57378
const ROTV = 57379
const LOG = 57380
const NOR = 57381
const NAND = 57382
const FACTORIAL = 57383
const INVERSE = 57384
const ROLL = 57385
const OMEGA = 57386
const EPSILON = 57387
const RHO = 57388
const NOT = 57389
const TAKE = 57390
const DROP = 57391
const IOTA = 57392
const PI = 57393
const EXP = 57394
const ASSIGN = 57395
const BRANCH = 57396
const QUOTEQUAD = 57397
const ZILDE = 57398
const ALPHA = 57399
const CEILING = 57400
const FLOOR = 57401
const DEL = 57402
const DELTA = 57403
const JOT = 57404
const QUAD = 57405
const EXECUTE = 57406
const FORMAT = 57407
const ENCLOSE = 57408
const DISCLOSE = 57409
const DECODE = 57410
const ENCODE = 57411
const MAGNITUDE = 57412
const SCAN = 57413
const REDUCE = 57414

var yyToknames = [...]string{
	"$end",
	"error",
	"$unk",
	"STRING",
	"QUOTED",
	"INTEGER",
	"FLOAT",
	"COMPLEX",
	"QUOTE",
	"DOT",
	"RAVEL",
	"SLASH",
	"BACKSLASH",
	"LBRACE",
	"RBRACE",
	"LBRACKET",
	"RBRACKET",
	"PLUS",
	"MINUS",
	"DIAMOND",
	"EACH",
	"NEG",
	"LESS",
	"LESSEQ",
	"EQ",
	"MOREEQ",
	"MORE",
	"NEQ",
	"OR",
	"AND",
	"TIMES",
	"DIV",
	"GRADEDOWN",
	"GRADEUP",
	"ROTH",
	"TRANSPOSE",
	"ROTV",
	"LOG",
	"NOR",
	"NAND",
	"FACTORIAL",
	"INVERSE",
	"ROLL",
	"OMEGA",
	"EPSILON",
	"RHO",
	"NOT",
	"TAKE",
	"DROP",
	"IOTA",
	"PI",
	"EXP",
	"ASSIGN",
	"BRANCH",
	"QUOTEQUAD",
	"ZILDE",
	"ALPHA",
	"CEILING",
	"FLOOR",
	"DEL",
	"DELTA",
	"JOT",
	"QUAD",
	"EXECUTE",
	"FORMAT",
	"ENCLOSE",
	"DISCLOSE",
	"DECODE",
	"ENCODE",
	"MAGNITUDE",
	"SCAN",
	"REDUCE",
}
var yyStatenames = [...]string{}

const yyEofCode = 1
const yyErrCode = 2
const yyInitialStackSize = 16

//line parser.y:139
//line yacctab:1
var yyExca = [...]int{
	-1, 1,
	1, -1,
	-2, 0,
	-1, 65,
	21, 83,
	23, 83,
	24, 83,
	25, 83,
	26, 83,
	27, 83,
	28, 83,
	29, 83,
	30, 83,
	39, 83,
	40, 83,
	45, 83,
	48, 83,
	49, 83,
	68, 83,
	69, 83,
	-2, 60,
	-1, 66,
	21, 81,
	23, 81,
	24, 81,
	25, 81,
	26, 81,
	27, 81,
	28, 81,
	29, 81,
	30, 81,
	39, 81,
	40, 81,
	45, 81,
	48, 81,
	49, 81,
	68, 81,
	69, 81,
	-2, 61,
}

const yyPrivate = 57344

const yyLast = 261

var yyAct = [...]int{

	38, 64, 66, 65, 88, 46, 90, 3, 48, 49,
	9, 75, 87, 76, 77, 78, 79, 80, 81, 82,
	83, 50, 51, 89, 7, 69, 73, 70, 71, 84,
	85, 74, 68, 54, 6, 55, 58, 5, 59, 60,
	67, 53, 52, 42, 43, 44, 45, 1, 56, 57,
	0, 0, 39, 92, 0, 72, 0, 0, 61, 62,
	63, 37, 35, 8, 42, 43, 44, 45, 0, 38,
	22, 34, 36, 0, 41, 0, 0, 19, 18, 0,
	0, 0, 4, 0, 0, 47, 0, 0, 0, 0,
	20, 21, 29, 28, 27, 32, 26, 25, 0, 96,
	33, 23, 10, 0, 0, 13, 14, 0, 0, 16,
	24, 17, 0, 0, 0, 0, 0, 11, 12, 0,
	0, 39, 40, 30, 31, 64, 94, 93, 0, 15,
	37, 35, 48, 49, 0, 75, 0, 76, 77, 78,
	79, 80, 81, 82, 83, 50, 51, 0, 0, 69,
	73, 70, 71, 84, 85, 74, 68, 54, 0, 55,
	58, 0, 59, 60, 67, 53, 52, 2, 22, 47,
	0, 86, 56, 57, 47, 19, 18, 0, 47, 72,
	47, 0, 61, 62, 63, 0, 0, 0, 20, 21,
	29, 28, 27, 32, 26, 25, 0, 0, 33, 23,
	10, 0, 0, 13, 14, 0, 0, 16, 24, 17,
	0, 0, 0, 0, 91, 11, 12, 0, 0, 0,
	0, 30, 31, 0, 0, 0, 0, 15, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 95, 0, 0, 0, 0,
	97,
}
var yyPact = [...]int{

	-1000, 59, -10, 59, 157, -1000, -1000, -1000, -49, -1000,
	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
	19, 2, -1000, -1000, -1000, -1000, 59, 114, -1000, -1000,
	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
	-1000, -1000, -1000, -1000, -1000, -1000, -10, 59, 38, -1000,
	-1000, -10, 59, -1000, -1000, -10, -1000, -10,
}
var yyPgo = [...]int{

	0, 10, 47, 167, 7, 82, 5, 37, 34, 24,
}
var yyR1 = [...]int{

	0, 2, 2, 3, 3, 3, 3, 3, 3, 3,
	3, 3, 7, 8, 9, 1, 1, 1, 1, 4,
	4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
	4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
	4, 4, 4, 6, 6, 6, 6, 6, 6, 6,
	6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
	6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
	6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
	6, 5, 5, 5, 5, 5, 5,
}
var yyR2 = [...]int{

	0, 0, 2, 2, 3, 3, 4, 1, 1, 1,
	1, 1, 3, 2, 2, 1, 1, 1, 1, 1,
	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
	1, 1, 1, 1, 1, 1, 1,
}
var yyChk = [...]int{

	-1000, -2, -3, -4, -5, -7, -8, -9, 4, -1,
	43, 58, 59, 46, 47, 70, 50, 52, 19, 18,
	31, 32, 11, 42, 51, 38, 37, 35, 34, 33,
	64, 65, 36, 41, 12, 72, 13, 71, 10, 62,
	63, 15, 5, 6, 7, 8, -6, -5, 18, 19,
	31, 32, 52, 51, 43, 45, 58, 59, 46, 48,
	49, 68, 69, 70, 11, 13, 12, 50, 42, 35,
	37, 38, 65, 36, 41, 21, 23, 24, 25, 26,
	27, 28, 29, 30, 39, 40, -3, -4, 53, 4,
	4, -3, -6, 13, 12, -3, -1, -3,
}
var yyDef = [...]int{

	1, -2, 2, 0, 0, 7, 8, 9, 10, 11,
	19, 20, 21, 22, 23, 24, 25, 26, 27, 28,
	29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
	39, 40, 41, 42, 81, 82, 83, 84, 85, 86,
	0, 0, 15, 16, 17, 18, 0, 0, 43, 44,
	45, 46, 47, 48, 49, 50, 51, 52, 53, 54,
	55, 56, 57, 58, 59, -2, -2, 62, 63, 64,
	65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
	75, 76, 77, 78, 79, 80, 3, 0, 0, 13,
	14, 5, 0, 60, 61, 4, 12, 6,
}
var yyTok1 = [...]int{

	1,
}
var yyTok2 = [...]int{

	2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
	12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
	22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
	32, 33, 34, 35, 36, 37, 38, 39, 40, 41,
	42, 43, 44, 45, 46, 47, 48, 49, 50, 51,
	52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
	62, 63, 64, 65, 66, 67, 68, 69, 70, 71,
	72,
}
var yyTok3 = [...]int{
	0,
}

var yyErrorMessages = [...]struct {
	state int
	token int
	msg   string
}{}

//line yaccpar:1

/*	parser for yacc output	*/

var (
	yyDebug        = 0
	yyErrorVerbose = false
)

type yyLexer interface {
	Lex(lval *yySymType) int
	Error(s string)
}

type yyParser interface {
	Parse(yyLexer) int
	Lookahead() int
}

type yyParserImpl struct {
	lval  yySymType
	stack [yyInitialStackSize]yySymType
	char  int
}

func (p *yyParserImpl) Lookahead() int {
	return p.char
}

func yyNewParser() yyParser {
	return &yyParserImpl{}
}

const yyFlag = -1000

func yyTokname(c int) string {
	if c >= 1 && c-1 < len(yyToknames) {
		if yyToknames[c-1] != "" {
			return yyToknames[c-1]
		}
	}
	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 yyErrorMessage(state, lookAhead int) string {
	const TOKSTART = 4

	if !yyErrorVerbose {
		return "syntax error"
	}

	for _, e := range yyErrorMessages {
		if e.state == state && e.token == lookAhead {
			return "syntax error: " + e.msg
		}
	}

	res := "syntax error: unexpected " + yyTokname(lookAhead)

	// To match Bison, suggest at most four expected tokens.
	expected := make([]int, 0, 4)

	// Look for shiftable tokens.
	base := yyPact[state]
	for tok := TOKSTART; tok-1 < len(yyToknames); tok++ {
		if n := base + tok; n >= 0 && n < yyLast && yyChk[yyAct[n]] == tok {
			if len(expected) == cap(expected) {
				return res
			}
			expected = append(expected, tok)
		}
	}

	if yyDef[state] == -2 {
		i := 0
		for yyExca[i] != -1 || yyExca[i+1] != state {
			i += 2
		}

		// Look for tokens that we accept or reduce.
		for i += 2; yyExca[i] >= 0; i += 2 {
			tok := yyExca[i]
			if tok < TOKSTART || yyExca[i+1] == 0 {
				continue
			}
			if len(expected) == cap(expected) {
				return res
			}
			expected = append(expected, tok)
		}

		// If the default action is to accept or reduce, give up.
		if yyExca[i+1] != 0 {
			return res
		}
	}

	for i, tok := range expected {
		if i == 0 {
			res += ", expecting "
		} else {
			res += " or "
		}
		res += yyTokname(tok)
	}
	return res
}

func yylex1(lex yyLexer, lval *yySymType) (char, token int) {
	token = 0
	char = lex.Lex(lval)
	if char <= 0 {
		token = yyTok1[0]
		goto out
	}
	if char < len(yyTok1) {
		token = yyTok1[char]
		goto out
	}
	if char >= yyPrivate {
		if char < yyPrivate+len(yyTok2) {
			token = yyTok2[char-yyPrivate]
			goto out
		}
	}
	for i := 0; i < len(yyTok3); i += 2 {
		token = yyTok3[i+0]
		if token == char {
			token = yyTok3[i+1]
			goto out
		}
	}

out:
	if token == 0 {
		token = yyTok2[1] /* unknown char */
	}
	if yyDebug >= 3 {
		__yyfmt__.Printf("lex %s(%d)\n", yyTokname(token), uint(char))
	}
	return char, token
}

func yyParse(yylex yyLexer) int {
	return yyNewParser().Parse(yylex)
}

func (yyrcvr *yyParserImpl) Parse(yylex yyLexer) int {
	var yyn int
	var yyVAL yySymType
	var yyDollar []yySymType
	_ = yyDollar // silence set and not used
	yyS := yyrcvr.stack[:]

	Nerrs := 0   /* number of errors */
	Errflag := 0 /* error recovery flag */
	yystate := 0
	yyrcvr.char = -1
	yytoken := -1 // yyrcvr.char translated into internal numbering
	defer func() {
		// Make sure we report no lookahead when not parsing.
		yystate = -1
		yyrcvr.char = -1
		yytoken = -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(yytoken), 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 yyrcvr.char < 0 {
		yyrcvr.char, yytoken = yylex1(yylex, &yyrcvr.lval)
	}
	yyn += yytoken
	if yyn < 0 || yyn >= yyLast {
		goto yydefault
	}
	yyn = yyAct[yyn]
	if yyChk[yyn] == yytoken { /* valid shift */
		yyrcvr.char = -1
		yytoken = -1
		yyVAL = yyrcvr.lval
		yystate = yyn
		if Errflag > 0 {
			Errflag--
		}
		goto yystack
	}

yydefault:
	/* default state action */
	yyn = yyDef[yystate]
	if yyn == -2 {
		if yyrcvr.char < 0 {
			yyrcvr.char, yytoken = yylex1(yylex, &yyrcvr.lval)
		}

		/* 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 == yytoken {
				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(yyErrorMessage(yystate, yytoken))
			Nerrs++
			if yyDebug >= 1 {
				__yyfmt__.Printf("%s", yyStatname(yystate))
				__yyfmt__.Printf(" saw %s\n", yyTokname(yytoken))
			}
			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(yytoken))
			}
			if yytoken == yyEofCode {
				goto ret1
			}
			yyrcvr.char = -1
			yytoken = -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]
	// yyp is now the index of $0. Perform the default action. Iff the
	// reduced production is ε, $1 is possibly out of range.
	if yyp+1 >= len(yyS) {
		nyys := make([]yySymType, len(yyS)*2)
		copy(nyys, yyS)
		yyS = nyys
	}
	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 10:
		yyDollar = yyS[yypt-1 : yypt+1]
		//line parser.y:47
		{
			fmt.Println(vars[yyDollar[1].sval])
		}
	case 11:
		yyDollar = yyS[yypt-1 : yypt+1]
		//line parser.y:48
		{
			fmt.Println(yyDollar[1].any)
		}
	case 12:
		yyDollar = yyS[yypt-3 : yypt+1]
		//line parser.y:51
		{
			vars[yyDollar[1].sval] = yyDollar[3].any
		}
	case 13:
		yyDollar = yyS[yypt-2 : yypt+1]
		//line parser.y:54
		{
			fmt.Println(quad(string(yyDollar[2].sval)))
		}
	case 14:
		yyDollar = yyS[yypt-2 : yypt+1]
		//line parser.y:57
		{
			cmd(string(yyDollar[2].sval))
		}
	case 15:
		yyDollar = yyS[yypt-1 : yypt+1]
		//line parser.y:60
		{
			yyVAL.any = yyDollar[1].sval
		}
	case 16:
		yyDollar = yyS[yypt-1 : yypt+1]
		//line parser.y:61
		{
			yyVAL.any = yyDollar[1].ival
		}
	case 17:
		yyDollar = yyS[yypt-1 : yypt+1]
		//line parser.y:62
		{
			yyVAL.any = yyDollar[1].fval
		}
	case 18:
		yyDollar = yyS[yypt-1 : yypt+1]
		//line parser.y:63
		{
			yyVAL.any = yyDollar[1].cval
		}
	}
	goto yystack /* stack new state and value */
}