gotty/vendor/github.com/yudai/hcl/json/y.go
2016-04-13 16:17:57 +09:00

700 lines
14 KiB
Go

//line parse.y:3
package json
import __yyfmt__ "fmt"
//line parse.y:5
import (
"fmt"
"strconv"
"github.com/yudai/hcl/hcl"
)
//line parse.y:15
type jsonSymType struct {
yys int
f float64
num int
str string
obj *hcl.Object
objlist []*hcl.Object
}
const FLOAT = 57346
const NUMBER = 57347
const COLON = 57348
const COMMA = 57349
const IDENTIFIER = 57350
const EQUAL = 57351
const NEWLINE = 57352
const STRING = 57353
const LEFTBRACE = 57354
const RIGHTBRACE = 57355
const LEFTBRACKET = 57356
const RIGHTBRACKET = 57357
const TRUE = 57358
const FALSE = 57359
const NULL = 57360
const MINUS = 57361
const PERIOD = 57362
const EPLUS = 57363
const EMINUS = 57364
var jsonToknames = [...]string{
"$end",
"error",
"$unk",
"FLOAT",
"NUMBER",
"COLON",
"COMMA",
"IDENTIFIER",
"EQUAL",
"NEWLINE",
"STRING",
"LEFTBRACE",
"RIGHTBRACE",
"LEFTBRACKET",
"RIGHTBRACKET",
"TRUE",
"FALSE",
"NULL",
"MINUS",
"PERIOD",
"EPLUS",
"EMINUS",
}
var jsonStatenames = [...]string{}
const jsonEofCode = 1
const jsonErrCode = 2
const jsonMaxDepth = 200
//line parse.y:210
//line yacctab:1
var jsonExca = [...]int{
-1, 1,
1, -1,
-2, 0,
}
const jsonNprod = 28
const jsonPrivate = 57344
var jsonTokenNames []string
var jsonStates []string
const jsonLast = 53
var jsonAct = [...]int{
12, 25, 24, 3, 20, 27, 28, 7, 13, 3,
21, 22, 30, 17, 18, 19, 23, 25, 24, 26,
25, 24, 36, 32, 13, 3, 10, 22, 33, 17,
18, 19, 23, 35, 34, 23, 38, 9, 7, 39,
5, 29, 6, 8, 37, 15, 2, 1, 4, 31,
16, 14, 11,
}
var jsonPact = [...]int{
-9, -1000, -1000, 27, 30, -1000, -1000, 20, -1000, -4,
13, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-16, -16, -3, 16, -1000, -1000, -1000, 28, 17, -1000,
-1000, 29, -1000, -1000, -1000, -1000, -1000, -1000, 13, -1000,
}
var jsonPgo = [...]int{
0, 10, 4, 51, 45, 42, 0, 50, 49, 48,
19, 47,
}
var jsonR1 = [...]int{
0, 11, 4, 4, 9, 9, 5, 6, 6, 6,
6, 6, 6, 6, 7, 7, 8, 8, 3, 3,
3, 3, 2, 2, 1, 1, 10, 10,
}
var jsonR2 = [...]int{
0, 1, 3, 2, 1, 3, 3, 1, 1, 1,
1, 1, 1, 1, 2, 3, 1, 3, 1, 1,
2, 2, 2, 1, 2, 1, 2, 2,
}
var jsonChk = [...]int{
-1000, -11, -4, 12, -9, 13, -5, 11, 13, 7,
6, -5, -6, 11, -3, -4, -7, 16, 17, 18,
-2, -1, 14, 19, 5, 4, -10, 21, 22, -10,
15, -8, -6, -2, -1, 5, 5, 15, 7, -6,
}
var jsonDef = [...]int{
0, -2, 1, 0, 0, 3, 4, 0, 2, 0,
0, 5, 6, 7, 8, 9, 10, 11, 12, 13,
18, 19, 0, 0, 23, 25, 20, 0, 0, 21,
14, 0, 16, 22, 24, 26, 27, 15, 0, 17,
}
var jsonTok1 = [...]int{
1,
}
var jsonTok2 = [...]int{
2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
22,
}
var jsonTok3 = [...]int{
0,
}
var jsonErrorMessages = [...]struct {
state int
token int
msg string
}{}
//line yaccpar:1
/* parser for yacc output */
var (
jsonDebug = 0
jsonErrorVerbose = false
)
type jsonLexer interface {
Lex(lval *jsonSymType) int
Error(s string)
}
type jsonParser interface {
Parse(jsonLexer) int
Lookahead() int
}
type jsonParserImpl struct {
lookahead func() int
}
func (p *jsonParserImpl) Lookahead() int {
return p.lookahead()
}
func jsonNewParser() jsonParser {
p := &jsonParserImpl{
lookahead: func() int { return -1 },
}
return p
}
const jsonFlag = -1000
func jsonTokname(c int) string {
if c >= 1 && c-1 < len(jsonToknames) {
if jsonToknames[c-1] != "" {
return jsonToknames[c-1]
}
}
return __yyfmt__.Sprintf("tok-%v", c)
}
func jsonStatname(s int) string {
if s >= 0 && s < len(jsonStatenames) {
if jsonStatenames[s] != "" {
return jsonStatenames[s]
}
}
return __yyfmt__.Sprintf("state-%v", s)
}
func jsonErrorMessage(state, lookAhead int) string {
const TOKSTART = 4
if !jsonErrorVerbose {
return "syntax error"
}
for _, e := range jsonErrorMessages {
if e.state == state && e.token == lookAhead {
return "syntax error: " + e.msg
}
}
res := "syntax error: unexpected " + jsonTokname(lookAhead)
// To match Bison, suggest at most four expected tokens.
expected := make([]int, 0, 4)
// Look for shiftable tokens.
base := jsonPact[state]
for tok := TOKSTART; tok-1 < len(jsonToknames); tok++ {
if n := base + tok; n >= 0 && n < jsonLast && jsonChk[jsonAct[n]] == tok {
if len(expected) == cap(expected) {
return res
}
expected = append(expected, tok)
}
}
if jsonDef[state] == -2 {
i := 0
for jsonExca[i] != -1 || jsonExca[i+1] != state {
i += 2
}
// Look for tokens that we accept or reduce.
for i += 2; jsonExca[i] >= 0; i += 2 {
tok := jsonExca[i]
if tok < TOKSTART || jsonExca[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 jsonExca[i+1] != 0 {
return res
}
}
for i, tok := range expected {
if i == 0 {
res += ", expecting "
} else {
res += " or "
}
res += jsonTokname(tok)
}
return res
}
func jsonlex1(lex jsonLexer, lval *jsonSymType) (char, token int) {
token = 0
char = lex.Lex(lval)
if char <= 0 {
token = jsonTok1[0]
goto out
}
if char < len(jsonTok1) {
token = jsonTok1[char]
goto out
}
if char >= jsonPrivate {
if char < jsonPrivate+len(jsonTok2) {
token = jsonTok2[char-jsonPrivate]
goto out
}
}
for i := 0; i < len(jsonTok3); i += 2 {
token = jsonTok3[i+0]
if token == char {
token = jsonTok3[i+1]
goto out
}
}
out:
if token == 0 {
token = jsonTok2[1] /* unknown char */
}
if jsonDebug >= 3 {
__yyfmt__.Printf("lex %s(%d)\n", jsonTokname(token), uint(char))
}
return char, token
}
func jsonParse(jsonlex jsonLexer) int {
return jsonNewParser().Parse(jsonlex)
}
func (jsonrcvr *jsonParserImpl) Parse(jsonlex jsonLexer) int {
var jsonn int
var jsonlval jsonSymType
var jsonVAL jsonSymType
var jsonDollar []jsonSymType
_ = jsonDollar // silence set and not used
jsonS := make([]jsonSymType, jsonMaxDepth)
Nerrs := 0 /* number of errors */
Errflag := 0 /* error recovery flag */
jsonstate := 0
jsonchar := -1
jsontoken := -1 // jsonchar translated into internal numbering
jsonrcvr.lookahead = func() int { return jsonchar }
defer func() {
// Make sure we report no lookahead when not parsing.
jsonstate = -1
jsonchar = -1
jsontoken = -1
}()
jsonp := -1
goto jsonstack
ret0:
return 0
ret1:
return 1
jsonstack:
/* put a state and value onto the stack */
if jsonDebug >= 4 {
__yyfmt__.Printf("char %v in %v\n", jsonTokname(jsontoken), jsonStatname(jsonstate))
}
jsonp++
if jsonp >= len(jsonS) {
nyys := make([]jsonSymType, len(jsonS)*2)
copy(nyys, jsonS)
jsonS = nyys
}
jsonS[jsonp] = jsonVAL
jsonS[jsonp].yys = jsonstate
jsonnewstate:
jsonn = jsonPact[jsonstate]
if jsonn <= jsonFlag {
goto jsondefault /* simple state */
}
if jsonchar < 0 {
jsonchar, jsontoken = jsonlex1(jsonlex, &jsonlval)
}
jsonn += jsontoken
if jsonn < 0 || jsonn >= jsonLast {
goto jsondefault
}
jsonn = jsonAct[jsonn]
if jsonChk[jsonn] == jsontoken { /* valid shift */
jsonchar = -1
jsontoken = -1
jsonVAL = jsonlval
jsonstate = jsonn
if Errflag > 0 {
Errflag--
}
goto jsonstack
}
jsondefault:
/* default state action */
jsonn = jsonDef[jsonstate]
if jsonn == -2 {
if jsonchar < 0 {
jsonchar, jsontoken = jsonlex1(jsonlex, &jsonlval)
}
/* look through exception table */
xi := 0
for {
if jsonExca[xi+0] == -1 && jsonExca[xi+1] == jsonstate {
break
}
xi += 2
}
for xi += 2; ; xi += 2 {
jsonn = jsonExca[xi+0]
if jsonn < 0 || jsonn == jsontoken {
break
}
}
jsonn = jsonExca[xi+1]
if jsonn < 0 {
goto ret0
}
}
if jsonn == 0 {
/* error ... attempt to resume parsing */
switch Errflag {
case 0: /* brand new error */
jsonlex.Error(jsonErrorMessage(jsonstate, jsontoken))
Nerrs++
if jsonDebug >= 1 {
__yyfmt__.Printf("%s", jsonStatname(jsonstate))
__yyfmt__.Printf(" saw %s\n", jsonTokname(jsontoken))
}
fallthrough
case 1, 2: /* incompletely recovered error ... try again */
Errflag = 3
/* find a state where "error" is a legal shift action */
for jsonp >= 0 {
jsonn = jsonPact[jsonS[jsonp].yys] + jsonErrCode
if jsonn >= 0 && jsonn < jsonLast {
jsonstate = jsonAct[jsonn] /* simulate a shift of "error" */
if jsonChk[jsonstate] == jsonErrCode {
goto jsonstack
}
}
/* the current p has no shift on "error", pop stack */
if jsonDebug >= 2 {
__yyfmt__.Printf("error recovery pops state %d\n", jsonS[jsonp].yys)
}
jsonp--
}
/* there is no state on the stack with an error shift ... abort */
goto ret1
case 3: /* no shift yet; clobber input char */
if jsonDebug >= 2 {
__yyfmt__.Printf("error recovery discards %s\n", jsonTokname(jsontoken))
}
if jsontoken == jsonEofCode {
goto ret1
}
jsonchar = -1
jsontoken = -1
goto jsonnewstate /* try again in the same state */
}
}
/* reduction by production jsonn */
if jsonDebug >= 2 {
__yyfmt__.Printf("reduce %v in:\n\t%v\n", jsonn, jsonStatname(jsonstate))
}
jsonnt := jsonn
jsonpt := jsonp
_ = jsonpt // guard against "declared and not used"
jsonp -= jsonR2[jsonn]
// jsonp is now the index of $0. Perform the default action. Iff the
// reduced production is ε, $1 is possibly out of range.
if jsonp+1 >= len(jsonS) {
nyys := make([]jsonSymType, len(jsonS)*2)
copy(nyys, jsonS)
jsonS = nyys
}
jsonVAL = jsonS[jsonp+1]
/* consult goto table to find next state */
jsonn = jsonR1[jsonn]
jsong := jsonPgo[jsonn]
jsonj := jsong + jsonS[jsonp].yys + 1
if jsonj >= jsonLast {
jsonstate = jsonAct[jsong]
} else {
jsonstate = jsonAct[jsonj]
if jsonChk[jsonstate] != -jsonn {
jsonstate = jsonAct[jsong]
}
}
// dummy call; replaced with literal code
switch jsonnt {
case 1:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:39
{
jsonResult = jsonDollar[1].obj
}
case 2:
jsonDollar = jsonS[jsonpt-3 : jsonpt+1]
//line parse.y:45
{
jsonVAL.obj = &hcl.Object{
Type: hcl.ValueTypeObject,
Value: hcl.ObjectList(jsonDollar[2].objlist).Flat(),
}
}
case 3:
jsonDollar = jsonS[jsonpt-2 : jsonpt+1]
//line parse.y:52
{
jsonVAL.obj = &hcl.Object{Type: hcl.ValueTypeObject}
}
case 4:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:58
{
jsonVAL.objlist = []*hcl.Object{jsonDollar[1].obj}
}
case 5:
jsonDollar = jsonS[jsonpt-3 : jsonpt+1]
//line parse.y:62
{
jsonVAL.objlist = append(jsonDollar[1].objlist, jsonDollar[3].obj)
}
case 6:
jsonDollar = jsonS[jsonpt-3 : jsonpt+1]
//line parse.y:68
{
jsonDollar[3].obj.Key = jsonDollar[1].str
jsonVAL.obj = jsonDollar[3].obj
}
case 7:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:75
{
jsonVAL.obj = &hcl.Object{
Type: hcl.ValueTypeString,
Value: jsonDollar[1].str,
}
}
case 8:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:82
{
jsonVAL.obj = jsonDollar[1].obj
}
case 9:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:86
{
jsonVAL.obj = jsonDollar[1].obj
}
case 10:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:90
{
jsonVAL.obj = &hcl.Object{
Type: hcl.ValueTypeList,
Value: jsonDollar[1].objlist,
}
}
case 11:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:97
{
jsonVAL.obj = &hcl.Object{
Type: hcl.ValueTypeBool,
Value: true,
}
}
case 12:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:104
{
jsonVAL.obj = &hcl.Object{
Type: hcl.ValueTypeBool,
Value: false,
}
}
case 13:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:111
{
jsonVAL.obj = &hcl.Object{
Type: hcl.ValueTypeNil,
Value: nil,
}
}
case 14:
jsonDollar = jsonS[jsonpt-2 : jsonpt+1]
//line parse.y:120
{
jsonVAL.objlist = nil
}
case 15:
jsonDollar = jsonS[jsonpt-3 : jsonpt+1]
//line parse.y:124
{
jsonVAL.objlist = jsonDollar[2].objlist
}
case 16:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:130
{
jsonVAL.objlist = []*hcl.Object{jsonDollar[1].obj}
}
case 17:
jsonDollar = jsonS[jsonpt-3 : jsonpt+1]
//line parse.y:134
{
jsonVAL.objlist = append(jsonDollar[1].objlist, jsonDollar[3].obj)
}
case 18:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:140
{
jsonVAL.obj = &hcl.Object{
Type: hcl.ValueTypeInt,
Value: jsonDollar[1].num,
}
}
case 19:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:147
{
jsonVAL.obj = &hcl.Object{
Type: hcl.ValueTypeFloat,
Value: jsonDollar[1].f,
}
}
case 20:
jsonDollar = jsonS[jsonpt-2 : jsonpt+1]
//line parse.y:154
{
fs := fmt.Sprintf("%d%s", jsonDollar[1].num, jsonDollar[2].str)
f, err := strconv.ParseFloat(fs, 64)
if err != nil {
panic(err)
}
jsonVAL.obj = &hcl.Object{
Type: hcl.ValueTypeFloat,
Value: f,
}
}
case 21:
jsonDollar = jsonS[jsonpt-2 : jsonpt+1]
//line parse.y:167
{
fs := fmt.Sprintf("%f%s", jsonDollar[1].f, jsonDollar[2].str)
f, err := strconv.ParseFloat(fs, 64)
if err != nil {
panic(err)
}
jsonVAL.obj = &hcl.Object{
Type: hcl.ValueTypeFloat,
Value: f,
}
}
case 22:
jsonDollar = jsonS[jsonpt-2 : jsonpt+1]
//line parse.y:182
{
jsonVAL.num = jsonDollar[2].num * -1
}
case 23:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:186
{
jsonVAL.num = jsonDollar[1].num
}
case 24:
jsonDollar = jsonS[jsonpt-2 : jsonpt+1]
//line parse.y:192
{
jsonVAL.f = jsonDollar[2].f * -1
}
case 25:
jsonDollar = jsonS[jsonpt-1 : jsonpt+1]
//line parse.y:196
{
jsonVAL.f = jsonDollar[1].f
}
case 26:
jsonDollar = jsonS[jsonpt-2 : jsonpt+1]
//line parse.y:202
{
jsonVAL.str = "e" + strconv.FormatInt(int64(jsonDollar[2].num), 10)
}
case 27:
jsonDollar = jsonS[jsonpt-2 : jsonpt+1]
//line parse.y:206
{
jsonVAL.str = "e-" + strconv.FormatInt(int64(jsonDollar[2].num), 10)
}
}
goto jsonstack /* stack new state and value */
}