javascript - util_test.go

     1  package javascript
     2  
     3  import (
     4  	"errors"
     5  	"reflect"
     6  	"testing"
     7  
     8  	"vimagination.zapto.org/parser"
     9  )
    10  
    11  func TestUnquote(t *testing.T) {
    12  	for n, test := range [...]struct {
    13  		Input, Output string
    14  		Err           error
    15  	}{
    16  		{ // 1
    17  			"\"\"",
    18  			"",
    19  			nil,
    20  		},
    21  		{ // 2
    22  			"''",
    23  			"",
    24  			nil,
    25  		},
    26  		{ // 3
    27  			"\"a\"",
    28  			"a",
    29  			nil,
    30  		},
    31  		{ // 4
    32  			"'a'",
    33  			"a",
    34  			nil,
    35  		},
    36  		{ // 5
    37  			"\"\\'\\\"\\\\\\b\\f\\n\\r\\t\\v\"",
    38  			"'\"\\\b\f\n\r\t\v",
    39  			nil,
    40  		},
    41  		{ // 6
    42  			"\"\x41\"",
    43  			"A",
    44  			nil,
    45  		},
    46  		{ // 7
    47  			"",
    48  			"",
    49  			ErrInvalidQuoted,
    50  		},
    51  		{ // 8
    52  			"\"\\x41\"",
    53  			"A",
    54  			nil,
    55  		},
    56  		{ // 9
    57  			"\"\\x4G\"",
    58  			"",
    59  			ErrInvalidQuoted,
    60  		},
    61  		{ // 10
    62  			"\"\\xG1\"",
    63  			"",
    64  			ErrInvalidQuoted,
    65  		},
    66  		{ // 11
    67  			"\"\\u0041\"",
    68  			"A",
    69  			nil,
    70  		},
    71  		{ // 12
    72  			"\"\\u004G\"",
    73  			"",
    74  			ErrInvalidQuoted,
    75  		},
    76  		{ // 13
    77  			"\"\\u00G1\"",
    78  			"",
    79  			ErrInvalidQuoted,
    80  		},
    81  		{ // 14
    82  			"\"\\u0G41\"",
    83  			"",
    84  			ErrInvalidQuoted,
    85  		},
    86  		{ // 15
    87  			"\"\\uG041\"",
    88  			"",
    89  			ErrInvalidQuoted,
    90  		},
    91  		{ // 16
    92  			"\"\\c\"",
    93  			"c",
    94  			nil,
    95  		},
    96  		{ // 17
    97  			"\"\n\"",
    98  			"",
    99  			ErrInvalidQuoted,
   100  		},
   101  		{ // 18
   102  			"\"\\0\"",
   103  			"\000",
   104  			nil,
   105  		},
   106  		{ // 19
   107  			"\"\\01\"",
   108  			"",
   109  			ErrInvalidQuoted,
   110  		},
   111  		{ // 20
   112  			"\"\\u{41}\"",
   113  			"A",
   114  			nil,
   115  		},
   116  		{ // 21
   117  			"\"\\u{}\"",
   118  			"",
   119  			ErrInvalidQuoted,
   120  		},
   121  		{ // 22
   122  			"\"\\u{41G}\"",
   123  			"",
   124  			ErrInvalidQuoted,
   125  		},
   126  		{ // 23
   127  			"\"\\u{41\"",
   128  			"",
   129  			ErrInvalidQuoted,
   130  		},
   131  		{ // 24
   132  			"'\\'\\\"\\\\\\b\\f\\n\\r\\t\\v'",
   133  			"'\"\\\b\f\n\r\t\v",
   134  			nil,
   135  		},
   136  		{ // 25
   137  			"'\x41'",
   138  			"A",
   139  			nil,
   140  		},
   141  		{ // 26
   142  			"'\\x41'",
   143  			"A",
   144  			nil,
   145  		},
   146  		{ // 27
   147  			"'\\x4G'",
   148  			"",
   149  			ErrInvalidQuoted,
   150  		},
   151  		{ // 28
   152  			"'\\xG1'",
   153  			"",
   154  			ErrInvalidQuoted,
   155  		},
   156  		{ // 29
   157  			"'\\u0041'",
   158  			"A",
   159  			nil,
   160  		},
   161  		{ // 30
   162  			"'\\u004G'",
   163  			"",
   164  			ErrInvalidQuoted,
   165  		},
   166  		{ // 31
   167  			"'\\u00G1'",
   168  			"",
   169  			ErrInvalidQuoted,
   170  		},
   171  		{ // 32
   172  			"'\\u0G41'",
   173  			"",
   174  			ErrInvalidQuoted,
   175  		},
   176  		{ // 33
   177  			"'\\uG041'",
   178  			"",
   179  			ErrInvalidQuoted,
   180  		},
   181  		{ // 34
   182  			"'\\c'",
   183  			"c",
   184  			nil,
   185  		},
   186  		{ // 35
   187  			"'\n'",
   188  			"",
   189  			ErrInvalidQuoted,
   190  		},
   191  		{ // 36
   192  			"'\\0'",
   193  			"\000",
   194  			nil,
   195  		},
   196  		{ // 37
   197  			"'\\01'",
   198  			"",
   199  			ErrInvalidQuoted,
   200  		},
   201  		{ // 38
   202  			"'\\u{41}'",
   203  			"A",
   204  			nil,
   205  		},
   206  		{ // 39
   207  			"'\\u{}'",
   208  			"",
   209  			ErrInvalidQuoted,
   210  		},
   211  		{ // 40
   212  			"'\\u{41G}'",
   213  			"",
   214  			ErrInvalidQuoted,
   215  		},
   216  		{ // 41
   217  			"'\\u{41'",
   218  			"",
   219  			ErrInvalidQuoted,
   220  		},
   221  	} {
   222  		if o, err := Unquote(test.Input); !errors.Is(err, test.Err) {
   223  			t.Errorf("test %d: expecting error %q, got %q", n+1, test.Err, err)
   224  		} else if o != test.Output {
   225  			t.Errorf("test %d: from %s, expecting output %q, got %q", n+1, test.Input, test.Output, o)
   226  		}
   227  	}
   228  }
   229  
   230  func TestUnquoteTemplate(t *testing.T) {
   231  	for n, test := range [...]struct {
   232  		Input, Output string
   233  		Err           error
   234  	}{
   235  		{ // 1
   236  			"``",
   237  			"",
   238  			nil,
   239  		},
   240  		{ // 2
   241  			"}`",
   242  			"",
   243  			nil,
   244  		},
   245  		{ // 3
   246  			"`${",
   247  			"",
   248  			nil,
   249  		},
   250  		{ // 4
   251  			"}${",
   252  			"",
   253  			nil,
   254  		},
   255  		{ // 5
   256  			"`",
   257  			"",
   258  			ErrInvalidQuoted,
   259  		},
   260  		{ // 6
   261  			"}",
   262  			"",
   263  			ErrInvalidQuoted,
   264  		},
   265  		{ // 7
   266  			"${",
   267  			"",
   268  			ErrInvalidQuoted,
   269  		},
   270  		{ // 8
   271  			"`a`",
   272  			"a",
   273  			nil,
   274  		},
   275  		{ // 9
   276  			"`\\'\\\"\\\\\\b\\f\\n\\r\\t\\v`",
   277  			"'\"\\\b\f\n\r\t\v",
   278  			nil,
   279  		},
   280  		{ // 10
   281  			"`\x41`",
   282  			"A",
   283  			nil,
   284  		},
   285  		{ // 11
   286  			"`\n`",
   287  			"\n",
   288  			nil,
   289  		},
   290  		{ // 12
   291  			"`\\x4G`",
   292  			"",
   293  			ErrInvalidQuoted,
   294  		},
   295  		{ // 13
   296  			"`\\u0041`",
   297  			"A",
   298  			nil,
   299  		},
   300  		{ // 14
   301  			"`\\u00G1`",
   302  			"",
   303  			ErrInvalidQuoted,
   304  		},
   305  		{ // 15
   306  			"`\\c`",
   307  			"c",
   308  			nil,
   309  		},
   310  		{ // 16
   311  			"`\\0`",
   312  			"\000",
   313  			nil,
   314  		},
   315  		{ // 17
   316  			"`\\u{41}`",
   317  			"A",
   318  			nil,
   319  		},
   320  		{ // 18
   321  			"`\\u{}`",
   322  			"",
   323  			ErrInvalidQuoted,
   324  		},
   325  		{ // 19
   326  			"`\\${`",
   327  			"${",
   328  			nil,
   329  		},
   330  	} {
   331  		o, err := UnquoteTemplate(test.Input)
   332  		if !errors.Is(err, test.Err) {
   333  			t.Errorf("test %d: expecting error %q, got %q", n+1, test.Err, err)
   334  		} else if o != test.Output {
   335  			t.Errorf("test %d: from %s, expecting output %q, got %q", n+1, test.Input, test.Output, o)
   336  		}
   337  	}
   338  }
   339  
   340  func TestQuoteTemplate(t *testing.T) {
   341  	for n, test := range [...]struct {
   342  		Input, Output string
   343  		templateType  TemplateType
   344  	}{
   345  		{ // 1
   346  			"",
   347  			"``",
   348  			TemplateNoSubstitution,
   349  		},
   350  		{ // 2
   351  			"a",
   352  			"`a`",
   353  			TemplateNoSubstitution,
   354  		},
   355  		{ // 3
   356  			"abc",
   357  			"`abc`",
   358  			TemplateNoSubstitution,
   359  		},
   360  		{ // 4
   361  			"a\nb	c",
   362  			"`a\nb	c`",
   363  			TemplateNoSubstitution,
   364  		},
   365  		{ // 5
   366  			"\\n",
   367  			"`\\\\n`",
   368  			TemplateNoSubstitution,
   369  		},
   370  		{ // 6
   371  			"a$b",
   372  			"`a$b`",
   373  			TemplateNoSubstitution,
   374  		},
   375  		{ // 7
   376  			"a${b",
   377  			"`a\\${b`",
   378  			TemplateNoSubstitution,
   379  		},
   380  		{ // 8
   381  			"`",
   382  			"`\\``",
   383  			TemplateNoSubstitution,
   384  		},
   385  		{ // 9
   386  			"",
   387  			"`${",
   388  			TemplateHead,
   389  		},
   390  		{ // 10
   391  			"a",
   392  			"`a${",
   393  			TemplateHead,
   394  		},
   395  		{ // 11
   396  			"abc",
   397  			"`abc${",
   398  			TemplateHead,
   399  		},
   400  		{ // 12
   401  			"a\nb	c",
   402  			"`a\nb	c${",
   403  			TemplateHead,
   404  		},
   405  		{ // 13
   406  			"\\n",
   407  			"`\\\\n${",
   408  			TemplateHead,
   409  		},
   410  		{ // 14
   411  			"a$b",
   412  			"`a$b${",
   413  			TemplateHead,
   414  		},
   415  		{ // 15
   416  			"a${b",
   417  			"`a\\${b${",
   418  			TemplateHead,
   419  		},
   420  		{ // 16
   421  			"`",
   422  			"`\\`${",
   423  			TemplateHead,
   424  		},
   425  		{ // 17
   426  			"",
   427  			"}${",
   428  			TemplateMiddle,
   429  		},
   430  		{ // 18
   431  			"a",
   432  			"}a${",
   433  			TemplateMiddle,
   434  		},
   435  		{ // 19
   436  			"abc",
   437  			"}abc${",
   438  			TemplateMiddle,
   439  		},
   440  		{ // 20
   441  			"a\nb	c",
   442  			"}a\nb	c${",
   443  			TemplateMiddle,
   444  		},
   445  		{ // 21
   446  			"\\n",
   447  			"}\\\\n${",
   448  			TemplateMiddle,
   449  		},
   450  		{ // 22
   451  			"a$b",
   452  			"}a$b${",
   453  			TemplateMiddle,
   454  		},
   455  		{ // 23
   456  			"a${b",
   457  			"}a\\${b${",
   458  			TemplateMiddle,
   459  		},
   460  		{ // 24
   461  			"`",
   462  			"}\\`${",
   463  			TemplateMiddle,
   464  		},
   465  		{ // 25
   466  			"",
   467  			"}`",
   468  			TemplateTail,
   469  		},
   470  		{ // 26
   471  			"a",
   472  			"}a`",
   473  			TemplateTail,
   474  		},
   475  		{ // 27
   476  			"abc",
   477  			"}abc`",
   478  			TemplateTail,
   479  		},
   480  		{ // 28
   481  			"a\nb	c",
   482  			"}a\nb	c`",
   483  			TemplateTail,
   484  		},
   485  		{ // 29
   486  			"\\n",
   487  			"}\\\\n`",
   488  			TemplateTail,
   489  		},
   490  		{ // 30
   491  			"a$b",
   492  			"}a$b`",
   493  			TemplateTail,
   494  		},
   495  		{ // 31
   496  			"a${b",
   497  			"}a\\${b`",
   498  			TemplateTail,
   499  		},
   500  		{ // 32
   501  			"`",
   502  			"}\\``",
   503  			TemplateTail,
   504  		},
   505  	} {
   506  		if out := QuoteTemplate(test.Input, test.templateType); out != test.Output {
   507  			t.Errorf("test %d: expecting output %s, got %s", n+1, test.Output, out)
   508  		}
   509  	}
   510  }
   511  
   512  func TestWrapConditional(t *testing.T) {
   513  	tks := Tokens{
   514  		{
   515  			Token: parser.Token{
   516  				Type: TokenNoSubstitutionTemplate,
   517  				Data: "`abc`",
   518  			},
   519  		},
   520  	}
   521  	template := &TemplateLiteral{
   522  		NoSubstitutionTemplate: &tks[0],
   523  		Tokens:                 tks,
   524  	}
   525  	expectedOutput := ConditionalExpression{
   526  		LogicalORExpression: &LogicalORExpression{
   527  			LogicalANDExpression: LogicalANDExpression{
   528  				BitwiseORExpression: BitwiseORExpression{
   529  					BitwiseXORExpression: BitwiseXORExpression{
   530  						BitwiseANDExpression: BitwiseANDExpression{
   531  							EqualityExpression: EqualityExpression{
   532  								RelationalExpression: RelationalExpression{
   533  									ShiftExpression: ShiftExpression{
   534  										AdditiveExpression: AdditiveExpression{
   535  											MultiplicativeExpression: MultiplicativeExpression{
   536  												ExponentiationExpression: ExponentiationExpression{
   537  													UnaryExpression: UnaryExpression{
   538  														UpdateExpression: UpdateExpression{
   539  															LeftHandSideExpression: &LeftHandSideExpression{
   540  																NewExpression: &NewExpression{
   541  																	MemberExpression: MemberExpression{
   542  																		PrimaryExpression: &PrimaryExpression{
   543  																			TemplateLiteral: template,
   544  																			Tokens:          tks,
   545  																		},
   546  																		Tokens: tks,
   547  																	},
   548  																	Tokens: tks,
   549  																},
   550  																Tokens: tks,
   551  															},
   552  															Tokens: tks,
   553  														},
   554  														Tokens: tks,
   555  													},
   556  													Tokens: tks,
   557  												},
   558  												Tokens: tks,
   559  											},
   560  											Tokens: tks,
   561  										},
   562  										Tokens: tks,
   563  									},
   564  									Tokens: tks,
   565  								},
   566  								Tokens: tks,
   567  							},
   568  							Tokens: tks,
   569  						},
   570  						Tokens: tks,
   571  					},
   572  					Tokens: tks,
   573  				},
   574  				Tokens: tks,
   575  			},
   576  			Tokens: tks,
   577  		},
   578  		Tokens: tks,
   579  	}
   580  
   581  	for n, test := range [...]ConditionalWrappable{
   582  		template,  // 1
   583  		*template, // 2
   584  		&PrimaryExpression{ // 3
   585  			TemplateLiteral: template,
   586  			Tokens:          tks,
   587  		},
   588  		PrimaryExpression{ // 4
   589  			TemplateLiteral: template,
   590  			Tokens:          tks,
   591  		},
   592  		&MemberExpression{ // 5
   593  			PrimaryExpression: &PrimaryExpression{
   594  				TemplateLiteral: template,
   595  				Tokens:          tks,
   596  			},
   597  			Tokens: tks,
   598  		},
   599  		MemberExpression{ // 6
   600  			PrimaryExpression: &PrimaryExpression{
   601  				TemplateLiteral: template,
   602  				Tokens:          tks,
   603  			},
   604  			Tokens: tks,
   605  		},
   606  		&NewExpression{ // 7
   607  			MemberExpression: MemberExpression{
   608  				PrimaryExpression: &PrimaryExpression{
   609  					TemplateLiteral: template,
   610  					Tokens:          tks,
   611  				},
   612  				Tokens: tks,
   613  			},
   614  			Tokens: tks,
   615  		},
   616  		NewExpression{ // 8
   617  			MemberExpression: MemberExpression{
   618  				PrimaryExpression: &PrimaryExpression{
   619  					TemplateLiteral: template,
   620  					Tokens:          tks,
   621  				},
   622  				Tokens: tks,
   623  			},
   624  			Tokens: tks,
   625  		},
   626  		&LeftHandSideExpression{ // 9
   627  			NewExpression: &NewExpression{
   628  				MemberExpression: MemberExpression{
   629  					PrimaryExpression: &PrimaryExpression{
   630  						TemplateLiteral: template,
   631  						Tokens:          tks,
   632  					},
   633  					Tokens: tks,
   634  				},
   635  				Tokens: tks,
   636  			},
   637  			Tokens: tks,
   638  		},
   639  		LeftHandSideExpression{ // 10
   640  			NewExpression: &NewExpression{
   641  				MemberExpression: MemberExpression{
   642  					PrimaryExpression: &PrimaryExpression{
   643  						TemplateLiteral: template,
   644  						Tokens:          tks,
   645  					},
   646  					Tokens: tks,
   647  				},
   648  				Tokens: tks,
   649  			},
   650  			Tokens: tks,
   651  		},
   652  		&UpdateExpression{ // 11
   653  			LeftHandSideExpression: &LeftHandSideExpression{
   654  				NewExpression: &NewExpression{
   655  					MemberExpression: MemberExpression{
   656  						PrimaryExpression: &PrimaryExpression{
   657  							TemplateLiteral: template,
   658  							Tokens:          tks,
   659  						},
   660  						Tokens: tks,
   661  					},
   662  					Tokens: tks,
   663  				},
   664  				Tokens: tks,
   665  			},
   666  			Tokens: tks,
   667  		},
   668  		UpdateExpression{ // 12
   669  			LeftHandSideExpression: &LeftHandSideExpression{
   670  				NewExpression: &NewExpression{
   671  					MemberExpression: MemberExpression{
   672  						PrimaryExpression: &PrimaryExpression{
   673  							TemplateLiteral: template,
   674  							Tokens:          tks,
   675  						},
   676  						Tokens: tks,
   677  					},
   678  					Tokens: tks,
   679  				},
   680  				Tokens: tks,
   681  			},
   682  			Tokens: tks,
   683  		},
   684  		&UnaryExpression{ // 13
   685  			UpdateExpression: UpdateExpression{
   686  				LeftHandSideExpression: &LeftHandSideExpression{
   687  					NewExpression: &NewExpression{
   688  						MemberExpression: MemberExpression{
   689  							PrimaryExpression: &PrimaryExpression{
   690  								TemplateLiteral: template,
   691  								Tokens:          tks,
   692  							},
   693  							Tokens: tks,
   694  						},
   695  						Tokens: tks,
   696  					},
   697  					Tokens: tks,
   698  				},
   699  				Tokens: tks,
   700  			},
   701  			Tokens: tks,
   702  		},
   703  		UnaryExpression{ // 14
   704  			UpdateExpression: UpdateExpression{
   705  				LeftHandSideExpression: &LeftHandSideExpression{
   706  					NewExpression: &NewExpression{
   707  						MemberExpression: MemberExpression{
   708  							PrimaryExpression: &PrimaryExpression{
   709  								TemplateLiteral: template,
   710  								Tokens:          tks,
   711  							},
   712  							Tokens: tks,
   713  						},
   714  						Tokens: tks,
   715  					},
   716  					Tokens: tks,
   717  				},
   718  				Tokens: tks,
   719  			},
   720  			Tokens: tks,
   721  		},
   722  		&ExponentiationExpression{ // 15
   723  			UnaryExpression: UnaryExpression{
   724  				UpdateExpression: UpdateExpression{
   725  					LeftHandSideExpression: &LeftHandSideExpression{
   726  						NewExpression: &NewExpression{
   727  							MemberExpression: MemberExpression{
   728  								PrimaryExpression: &PrimaryExpression{
   729  									TemplateLiteral: template,
   730  									Tokens:          tks,
   731  								},
   732  								Tokens: tks,
   733  							},
   734  							Tokens: tks,
   735  						},
   736  						Tokens: tks,
   737  					},
   738  					Tokens: tks,
   739  				},
   740  				Tokens: tks,
   741  			},
   742  			Tokens: tks,
   743  		},
   744  		ExponentiationExpression{ // 16
   745  			UnaryExpression: UnaryExpression{
   746  				UpdateExpression: UpdateExpression{
   747  					LeftHandSideExpression: &LeftHandSideExpression{
   748  						NewExpression: &NewExpression{
   749  							MemberExpression: MemberExpression{
   750  								PrimaryExpression: &PrimaryExpression{
   751  									TemplateLiteral: template,
   752  									Tokens:          tks,
   753  								},
   754  								Tokens: tks,
   755  							},
   756  							Tokens: tks,
   757  						},
   758  						Tokens: tks,
   759  					},
   760  					Tokens: tks,
   761  				},
   762  				Tokens: tks,
   763  			},
   764  			Tokens: tks,
   765  		},
   766  		&MultiplicativeExpression{ // 17
   767  			ExponentiationExpression: ExponentiationExpression{
   768  				UnaryExpression: UnaryExpression{
   769  					UpdateExpression: UpdateExpression{
   770  						LeftHandSideExpression: &LeftHandSideExpression{
   771  							NewExpression: &NewExpression{
   772  								MemberExpression: MemberExpression{
   773  									PrimaryExpression: &PrimaryExpression{
   774  										TemplateLiteral: template,
   775  										Tokens:          tks,
   776  									},
   777  									Tokens: tks,
   778  								},
   779  								Tokens: tks,
   780  							},
   781  							Tokens: tks,
   782  						},
   783  						Tokens: tks,
   784  					},
   785  					Tokens: tks,
   786  				},
   787  				Tokens: tks,
   788  			},
   789  			Tokens: tks,
   790  		},
   791  		MultiplicativeExpression{ // 18
   792  			ExponentiationExpression: ExponentiationExpression{
   793  				UnaryExpression: UnaryExpression{
   794  					UpdateExpression: UpdateExpression{
   795  						LeftHandSideExpression: &LeftHandSideExpression{
   796  							NewExpression: &NewExpression{
   797  								MemberExpression: MemberExpression{
   798  									PrimaryExpression: &PrimaryExpression{
   799  										TemplateLiteral: template,
   800  										Tokens:          tks,
   801  									},
   802  									Tokens: tks,
   803  								},
   804  								Tokens: tks,
   805  							},
   806  							Tokens: tks,
   807  						},
   808  						Tokens: tks,
   809  					},
   810  					Tokens: tks,
   811  				},
   812  				Tokens: tks,
   813  			},
   814  			Tokens: tks,
   815  		},
   816  		&AdditiveExpression{ // 19
   817  			MultiplicativeExpression: MultiplicativeExpression{
   818  				ExponentiationExpression: ExponentiationExpression{
   819  					UnaryExpression: UnaryExpression{
   820  						UpdateExpression: UpdateExpression{
   821  							LeftHandSideExpression: &LeftHandSideExpression{
   822  								NewExpression: &NewExpression{
   823  									MemberExpression: MemberExpression{
   824  										PrimaryExpression: &PrimaryExpression{
   825  											TemplateLiteral: template,
   826  											Tokens:          tks,
   827  										},
   828  										Tokens: tks,
   829  									},
   830  									Tokens: tks,
   831  								},
   832  								Tokens: tks,
   833  							},
   834  							Tokens: tks,
   835  						},
   836  						Tokens: tks,
   837  					},
   838  					Tokens: tks,
   839  				},
   840  				Tokens: tks,
   841  			},
   842  			Tokens: tks,
   843  		},
   844  		AdditiveExpression{ // 20
   845  			MultiplicativeExpression: MultiplicativeExpression{
   846  				ExponentiationExpression: ExponentiationExpression{
   847  					UnaryExpression: UnaryExpression{
   848  						UpdateExpression: UpdateExpression{
   849  							LeftHandSideExpression: &LeftHandSideExpression{
   850  								NewExpression: &NewExpression{
   851  									MemberExpression: MemberExpression{
   852  										PrimaryExpression: &PrimaryExpression{
   853  											TemplateLiteral: template,
   854  											Tokens:          tks,
   855  										},
   856  										Tokens: tks,
   857  									},
   858  									Tokens: tks,
   859  								},
   860  								Tokens: tks,
   861  							},
   862  							Tokens: tks,
   863  						},
   864  						Tokens: tks,
   865  					},
   866  					Tokens: tks,
   867  				},
   868  				Tokens: tks,
   869  			},
   870  			Tokens: tks,
   871  		},
   872  		&ShiftExpression{ // 21
   873  			AdditiveExpression: AdditiveExpression{
   874  				MultiplicativeExpression: MultiplicativeExpression{
   875  					ExponentiationExpression: ExponentiationExpression{
   876  						UnaryExpression: UnaryExpression{
   877  							UpdateExpression: UpdateExpression{
   878  								LeftHandSideExpression: &LeftHandSideExpression{
   879  									NewExpression: &NewExpression{
   880  										MemberExpression: MemberExpression{
   881  											PrimaryExpression: &PrimaryExpression{
   882  												TemplateLiteral: template,
   883  												Tokens:          tks,
   884  											},
   885  											Tokens: tks,
   886  										},
   887  										Tokens: tks,
   888  									},
   889  									Tokens: tks,
   890  								},
   891  								Tokens: tks,
   892  							},
   893  							Tokens: tks,
   894  						},
   895  						Tokens: tks,
   896  					},
   897  					Tokens: tks,
   898  				},
   899  				Tokens: tks,
   900  			},
   901  			Tokens: tks,
   902  		},
   903  		&ShiftExpression{ // 22
   904  			AdditiveExpression: AdditiveExpression{
   905  				MultiplicativeExpression: MultiplicativeExpression{
   906  					ExponentiationExpression: ExponentiationExpression{
   907  						UnaryExpression: UnaryExpression{
   908  							UpdateExpression: UpdateExpression{
   909  								LeftHandSideExpression: &LeftHandSideExpression{
   910  									NewExpression: &NewExpression{
   911  										MemberExpression: MemberExpression{
   912  											PrimaryExpression: &PrimaryExpression{
   913  												TemplateLiteral: template,
   914  												Tokens:          tks,
   915  											},
   916  											Tokens: tks,
   917  										},
   918  										Tokens: tks,
   919  									},
   920  									Tokens: tks,
   921  								},
   922  								Tokens: tks,
   923  							},
   924  							Tokens: tks,
   925  						},
   926  						Tokens: tks,
   927  					},
   928  					Tokens: tks,
   929  				},
   930  				Tokens: tks,
   931  			},
   932  			Tokens: tks,
   933  		},
   934  		&RelationalExpression{ // 23
   935  			ShiftExpression: ShiftExpression{
   936  				AdditiveExpression: AdditiveExpression{
   937  					MultiplicativeExpression: MultiplicativeExpression{
   938  						ExponentiationExpression: ExponentiationExpression{
   939  							UnaryExpression: UnaryExpression{
   940  								UpdateExpression: UpdateExpression{
   941  									LeftHandSideExpression: &LeftHandSideExpression{
   942  										NewExpression: &NewExpression{
   943  											MemberExpression: MemberExpression{
   944  												PrimaryExpression: &PrimaryExpression{
   945  													TemplateLiteral: template,
   946  													Tokens:          tks,
   947  												},
   948  												Tokens: tks,
   949  											},
   950  											Tokens: tks,
   951  										},
   952  										Tokens: tks,
   953  									},
   954  									Tokens: tks,
   955  								},
   956  								Tokens: tks,
   957  							},
   958  							Tokens: tks,
   959  						},
   960  						Tokens: tks,
   961  					},
   962  					Tokens: tks,
   963  				},
   964  				Tokens: tks,
   965  			},
   966  			Tokens: tks,
   967  		},
   968  		RelationalExpression{ // 24
   969  			ShiftExpression: ShiftExpression{
   970  				AdditiveExpression: AdditiveExpression{
   971  					MultiplicativeExpression: MultiplicativeExpression{
   972  						ExponentiationExpression: ExponentiationExpression{
   973  							UnaryExpression: UnaryExpression{
   974  								UpdateExpression: UpdateExpression{
   975  									LeftHandSideExpression: &LeftHandSideExpression{
   976  										NewExpression: &NewExpression{
   977  											MemberExpression: MemberExpression{
   978  												PrimaryExpression: &PrimaryExpression{
   979  													TemplateLiteral: template,
   980  													Tokens:          tks,
   981  												},
   982  												Tokens: tks,
   983  											},
   984  											Tokens: tks,
   985  										},
   986  										Tokens: tks,
   987  									},
   988  									Tokens: tks,
   989  								},
   990  								Tokens: tks,
   991  							},
   992  							Tokens: tks,
   993  						},
   994  						Tokens: tks,
   995  					},
   996  					Tokens: tks,
   997  				},
   998  				Tokens: tks,
   999  			},
  1000  			Tokens: tks,
  1001  		},
  1002  		&EqualityExpression{ // 25
  1003  			RelationalExpression: RelationalExpression{
  1004  				ShiftExpression: ShiftExpression{
  1005  					AdditiveExpression: AdditiveExpression{
  1006  						MultiplicativeExpression: MultiplicativeExpression{
  1007  							ExponentiationExpression: ExponentiationExpression{
  1008  								UnaryExpression: UnaryExpression{
  1009  									UpdateExpression: UpdateExpression{
  1010  										LeftHandSideExpression: &LeftHandSideExpression{
  1011  											NewExpression: &NewExpression{
  1012  												MemberExpression: MemberExpression{
  1013  													PrimaryExpression: &PrimaryExpression{
  1014  														TemplateLiteral: template,
  1015  														Tokens:          tks,
  1016  													},
  1017  													Tokens: tks,
  1018  												},
  1019  												Tokens: tks,
  1020  											},
  1021  											Tokens: tks,
  1022  										},
  1023  										Tokens: tks,
  1024  									},
  1025  									Tokens: tks,
  1026  								},
  1027  								Tokens: tks,
  1028  							},
  1029  							Tokens: tks,
  1030  						},
  1031  						Tokens: tks,
  1032  					},
  1033  					Tokens: tks,
  1034  				},
  1035  				Tokens: tks,
  1036  			},
  1037  			Tokens: tks,
  1038  		},
  1039  		EqualityExpression{ // 26
  1040  			RelationalExpression: RelationalExpression{
  1041  				ShiftExpression: ShiftExpression{
  1042  					AdditiveExpression: AdditiveExpression{
  1043  						MultiplicativeExpression: MultiplicativeExpression{
  1044  							ExponentiationExpression: ExponentiationExpression{
  1045  								UnaryExpression: UnaryExpression{
  1046  									UpdateExpression: UpdateExpression{
  1047  										LeftHandSideExpression: &LeftHandSideExpression{
  1048  											NewExpression: &NewExpression{
  1049  												MemberExpression: MemberExpression{
  1050  													PrimaryExpression: &PrimaryExpression{
  1051  														TemplateLiteral: template,
  1052  														Tokens:          tks,
  1053  													},
  1054  													Tokens: tks,
  1055  												},
  1056  												Tokens: tks,
  1057  											},
  1058  											Tokens: tks,
  1059  										},
  1060  										Tokens: tks,
  1061  									},
  1062  									Tokens: tks,
  1063  								},
  1064  								Tokens: tks,
  1065  							},
  1066  							Tokens: tks,
  1067  						},
  1068  						Tokens: tks,
  1069  					},
  1070  					Tokens: tks,
  1071  				},
  1072  				Tokens: tks,
  1073  			},
  1074  			Tokens: tks,
  1075  		},
  1076  		&BitwiseANDExpression{ // 27
  1077  			EqualityExpression: EqualityExpression{
  1078  				RelationalExpression: RelationalExpression{
  1079  					ShiftExpression: ShiftExpression{
  1080  						AdditiveExpression: AdditiveExpression{
  1081  							MultiplicativeExpression: MultiplicativeExpression{
  1082  								ExponentiationExpression: ExponentiationExpression{
  1083  									UnaryExpression: UnaryExpression{
  1084  										UpdateExpression: UpdateExpression{
  1085  											LeftHandSideExpression: &LeftHandSideExpression{
  1086  												NewExpression: &NewExpression{
  1087  													MemberExpression: MemberExpression{
  1088  														PrimaryExpression: &PrimaryExpression{
  1089  															TemplateLiteral: template,
  1090  															Tokens:          tks,
  1091  														},
  1092  														Tokens: tks,
  1093  													},
  1094  													Tokens: tks,
  1095  												},
  1096  												Tokens: tks,
  1097  											},
  1098  											Tokens: tks,
  1099  										},
  1100  										Tokens: tks,
  1101  									},
  1102  									Tokens: tks,
  1103  								},
  1104  								Tokens: tks,
  1105  							},
  1106  							Tokens: tks,
  1107  						},
  1108  						Tokens: tks,
  1109  					},
  1110  					Tokens: tks,
  1111  				},
  1112  				Tokens: tks,
  1113  			},
  1114  			Tokens: tks,
  1115  		},
  1116  		BitwiseANDExpression{ // 28
  1117  			EqualityExpression: EqualityExpression{
  1118  				RelationalExpression: RelationalExpression{
  1119  					ShiftExpression: ShiftExpression{
  1120  						AdditiveExpression: AdditiveExpression{
  1121  							MultiplicativeExpression: MultiplicativeExpression{
  1122  								ExponentiationExpression: ExponentiationExpression{
  1123  									UnaryExpression: UnaryExpression{
  1124  										UpdateExpression: UpdateExpression{
  1125  											LeftHandSideExpression: &LeftHandSideExpression{
  1126  												NewExpression: &NewExpression{
  1127  													MemberExpression: MemberExpression{
  1128  														PrimaryExpression: &PrimaryExpression{
  1129  															TemplateLiteral: template,
  1130  															Tokens:          tks,
  1131  														},
  1132  														Tokens: tks,
  1133  													},
  1134  													Tokens: tks,
  1135  												},
  1136  												Tokens: tks,
  1137  											},
  1138  											Tokens: tks,
  1139  										},
  1140  										Tokens: tks,
  1141  									},
  1142  									Tokens: tks,
  1143  								},
  1144  								Tokens: tks,
  1145  							},
  1146  							Tokens: tks,
  1147  						},
  1148  						Tokens: tks,
  1149  					},
  1150  					Tokens: tks,
  1151  				},
  1152  				Tokens: tks,
  1153  			},
  1154  			Tokens: tks,
  1155  		},
  1156  		&BitwiseXORExpression{ // 29
  1157  			BitwiseANDExpression: BitwiseANDExpression{
  1158  				EqualityExpression: EqualityExpression{
  1159  					RelationalExpression: RelationalExpression{
  1160  						ShiftExpression: ShiftExpression{
  1161  							AdditiveExpression: AdditiveExpression{
  1162  								MultiplicativeExpression: MultiplicativeExpression{
  1163  									ExponentiationExpression: ExponentiationExpression{
  1164  										UnaryExpression: UnaryExpression{
  1165  											UpdateExpression: UpdateExpression{
  1166  												LeftHandSideExpression: &LeftHandSideExpression{
  1167  													NewExpression: &NewExpression{
  1168  														MemberExpression: MemberExpression{
  1169  															PrimaryExpression: &PrimaryExpression{
  1170  																TemplateLiteral: template,
  1171  																Tokens:          tks,
  1172  															},
  1173  															Tokens: tks,
  1174  														},
  1175  														Tokens: tks,
  1176  													},
  1177  													Tokens: tks,
  1178  												},
  1179  												Tokens: tks,
  1180  											},
  1181  											Tokens: tks,
  1182  										},
  1183  										Tokens: tks,
  1184  									},
  1185  									Tokens: tks,
  1186  								},
  1187  								Tokens: tks,
  1188  							},
  1189  							Tokens: tks,
  1190  						},
  1191  						Tokens: tks,
  1192  					},
  1193  					Tokens: tks,
  1194  				},
  1195  				Tokens: tks,
  1196  			},
  1197  			Tokens: tks,
  1198  		},
  1199  		BitwiseXORExpression{ // 30
  1200  			BitwiseANDExpression: BitwiseANDExpression{
  1201  				EqualityExpression: EqualityExpression{
  1202  					RelationalExpression: RelationalExpression{
  1203  						ShiftExpression: ShiftExpression{
  1204  							AdditiveExpression: AdditiveExpression{
  1205  								MultiplicativeExpression: MultiplicativeExpression{
  1206  									ExponentiationExpression: ExponentiationExpression{
  1207  										UnaryExpression: UnaryExpression{
  1208  											UpdateExpression: UpdateExpression{
  1209  												LeftHandSideExpression: &LeftHandSideExpression{
  1210  													NewExpression: &NewExpression{
  1211  														MemberExpression: MemberExpression{
  1212  															PrimaryExpression: &PrimaryExpression{
  1213  																TemplateLiteral: template,
  1214  																Tokens:          tks,
  1215  															},
  1216  															Tokens: tks,
  1217  														},
  1218  														Tokens: tks,
  1219  													},
  1220  													Tokens: tks,
  1221  												},
  1222  												Tokens: tks,
  1223  											},
  1224  											Tokens: tks,
  1225  										},
  1226  										Tokens: tks,
  1227  									},
  1228  									Tokens: tks,
  1229  								},
  1230  								Tokens: tks,
  1231  							},
  1232  							Tokens: tks,
  1233  						},
  1234  						Tokens: tks,
  1235  					},
  1236  					Tokens: tks,
  1237  				},
  1238  				Tokens: tks,
  1239  			},
  1240  			Tokens: tks,
  1241  		},
  1242  		&BitwiseORExpression{ // 31
  1243  			BitwiseXORExpression: BitwiseXORExpression{
  1244  				BitwiseANDExpression: BitwiseANDExpression{
  1245  					EqualityExpression: EqualityExpression{
  1246  						RelationalExpression: RelationalExpression{
  1247  							ShiftExpression: ShiftExpression{
  1248  								AdditiveExpression: AdditiveExpression{
  1249  									MultiplicativeExpression: MultiplicativeExpression{
  1250  										ExponentiationExpression: ExponentiationExpression{
  1251  											UnaryExpression: UnaryExpression{
  1252  												UpdateExpression: UpdateExpression{
  1253  													LeftHandSideExpression: &LeftHandSideExpression{
  1254  														NewExpression: &NewExpression{
  1255  															MemberExpression: MemberExpression{
  1256  																PrimaryExpression: &PrimaryExpression{
  1257  																	TemplateLiteral: template,
  1258  																	Tokens:          tks,
  1259  																},
  1260  																Tokens: tks,
  1261  															},
  1262  															Tokens: tks,
  1263  														},
  1264  														Tokens: tks,
  1265  													},
  1266  													Tokens: tks,
  1267  												},
  1268  												Tokens: tks,
  1269  											},
  1270  											Tokens: tks,
  1271  										},
  1272  										Tokens: tks,
  1273  									},
  1274  									Tokens: tks,
  1275  								},
  1276  								Tokens: tks,
  1277  							},
  1278  							Tokens: tks,
  1279  						},
  1280  						Tokens: tks,
  1281  					},
  1282  					Tokens: tks,
  1283  				},
  1284  				Tokens: tks,
  1285  			},
  1286  			Tokens: tks,
  1287  		},
  1288  		BitwiseORExpression{ // 32
  1289  			BitwiseXORExpression: BitwiseXORExpression{
  1290  				BitwiseANDExpression: BitwiseANDExpression{
  1291  					EqualityExpression: EqualityExpression{
  1292  						RelationalExpression: RelationalExpression{
  1293  							ShiftExpression: ShiftExpression{
  1294  								AdditiveExpression: AdditiveExpression{
  1295  									MultiplicativeExpression: MultiplicativeExpression{
  1296  										ExponentiationExpression: ExponentiationExpression{
  1297  											UnaryExpression: UnaryExpression{
  1298  												UpdateExpression: UpdateExpression{
  1299  													LeftHandSideExpression: &LeftHandSideExpression{
  1300  														NewExpression: &NewExpression{
  1301  															MemberExpression: MemberExpression{
  1302  																PrimaryExpression: &PrimaryExpression{
  1303  																	TemplateLiteral: template,
  1304  																	Tokens:          tks,
  1305  																},
  1306  																Tokens: tks,
  1307  															},
  1308  															Tokens: tks,
  1309  														},
  1310  														Tokens: tks,
  1311  													},
  1312  													Tokens: tks,
  1313  												},
  1314  												Tokens: tks,
  1315  											},
  1316  											Tokens: tks,
  1317  										},
  1318  										Tokens: tks,
  1319  									},
  1320  									Tokens: tks,
  1321  								},
  1322  								Tokens: tks,
  1323  							},
  1324  							Tokens: tks,
  1325  						},
  1326  						Tokens: tks,
  1327  					},
  1328  					Tokens: tks,
  1329  				},
  1330  				Tokens: tks,
  1331  			},
  1332  			Tokens: tks,
  1333  		},
  1334  		&LogicalANDExpression{ // 33
  1335  			BitwiseORExpression: BitwiseORExpression{
  1336  				BitwiseXORExpression: BitwiseXORExpression{
  1337  					BitwiseANDExpression: BitwiseANDExpression{
  1338  						EqualityExpression: EqualityExpression{
  1339  							RelationalExpression: RelationalExpression{
  1340  								ShiftExpression: ShiftExpression{
  1341  									AdditiveExpression: AdditiveExpression{
  1342  										MultiplicativeExpression: MultiplicativeExpression{
  1343  											ExponentiationExpression: ExponentiationExpression{
  1344  												UnaryExpression: UnaryExpression{
  1345  													UpdateExpression: UpdateExpression{
  1346  														LeftHandSideExpression: &LeftHandSideExpression{
  1347  															NewExpression: &NewExpression{
  1348  																MemberExpression: MemberExpression{
  1349  																	PrimaryExpression: &PrimaryExpression{
  1350  																		TemplateLiteral: template,
  1351  																		Tokens:          tks,
  1352  																	},
  1353  																	Tokens: tks,
  1354  																},
  1355  																Tokens: tks,
  1356  															},
  1357  															Tokens: tks,
  1358  														},
  1359  														Tokens: tks,
  1360  													},
  1361  													Tokens: tks,
  1362  												},
  1363  												Tokens: tks,
  1364  											},
  1365  											Tokens: tks,
  1366  										},
  1367  										Tokens: tks,
  1368  									},
  1369  									Tokens: tks,
  1370  								},
  1371  								Tokens: tks,
  1372  							},
  1373  							Tokens: tks,
  1374  						},
  1375  						Tokens: tks,
  1376  					},
  1377  					Tokens: tks,
  1378  				},
  1379  				Tokens: tks,
  1380  			},
  1381  			Tokens: tks,
  1382  		},
  1383  		&LogicalANDExpression{ // 34
  1384  			BitwiseORExpression: BitwiseORExpression{
  1385  				BitwiseXORExpression: BitwiseXORExpression{
  1386  					BitwiseANDExpression: BitwiseANDExpression{
  1387  						EqualityExpression: EqualityExpression{
  1388  							RelationalExpression: RelationalExpression{
  1389  								ShiftExpression: ShiftExpression{
  1390  									AdditiveExpression: AdditiveExpression{
  1391  										MultiplicativeExpression: MultiplicativeExpression{
  1392  											ExponentiationExpression: ExponentiationExpression{
  1393  												UnaryExpression: UnaryExpression{
  1394  													UpdateExpression: UpdateExpression{
  1395  														LeftHandSideExpression: &LeftHandSideExpression{
  1396  															NewExpression: &NewExpression{
  1397  																MemberExpression: MemberExpression{
  1398  																	PrimaryExpression: &PrimaryExpression{
  1399  																		TemplateLiteral: template,
  1400  																		Tokens:          tks,
  1401  																	},
  1402  																	Tokens: tks,
  1403  																},
  1404  																Tokens: tks,
  1405  															},
  1406  															Tokens: tks,
  1407  														},
  1408  														Tokens: tks,
  1409  													},
  1410  													Tokens: tks,
  1411  												},
  1412  												Tokens: tks,
  1413  											},
  1414  											Tokens: tks,
  1415  										},
  1416  										Tokens: tks,
  1417  									},
  1418  									Tokens: tks,
  1419  								},
  1420  								Tokens: tks,
  1421  							},
  1422  							Tokens: tks,
  1423  						},
  1424  						Tokens: tks,
  1425  					},
  1426  					Tokens: tks,
  1427  				},
  1428  				Tokens: tks,
  1429  			},
  1430  			Tokens: tks,
  1431  		},
  1432  		&LogicalORExpression{ // 35
  1433  			LogicalANDExpression: LogicalANDExpression{
  1434  				BitwiseORExpression: BitwiseORExpression{
  1435  					BitwiseXORExpression: BitwiseXORExpression{
  1436  						BitwiseANDExpression: BitwiseANDExpression{
  1437  							EqualityExpression: EqualityExpression{
  1438  								RelationalExpression: RelationalExpression{
  1439  									ShiftExpression: ShiftExpression{
  1440  										AdditiveExpression: AdditiveExpression{
  1441  											MultiplicativeExpression: MultiplicativeExpression{
  1442  												ExponentiationExpression: ExponentiationExpression{
  1443  													UnaryExpression: UnaryExpression{
  1444  														UpdateExpression: UpdateExpression{
  1445  															LeftHandSideExpression: &LeftHandSideExpression{
  1446  																NewExpression: &NewExpression{
  1447  																	MemberExpression: MemberExpression{
  1448  																		PrimaryExpression: &PrimaryExpression{
  1449  																			TemplateLiteral: template,
  1450  																			Tokens:          tks,
  1451  																		},
  1452  																		Tokens: tks,
  1453  																	},
  1454  																	Tokens: tks,
  1455  																},
  1456  																Tokens: tks,
  1457  															},
  1458  															Tokens: tks,
  1459  														},
  1460  														Tokens: tks,
  1461  													},
  1462  													Tokens: tks,
  1463  												},
  1464  												Tokens: tks,
  1465  											},
  1466  											Tokens: tks,
  1467  										},
  1468  										Tokens: tks,
  1469  									},
  1470  									Tokens: tks,
  1471  								},
  1472  								Tokens: tks,
  1473  							},
  1474  							Tokens: tks,
  1475  						},
  1476  						Tokens: tks,
  1477  					},
  1478  					Tokens: tks,
  1479  				},
  1480  				Tokens: tks,
  1481  			},
  1482  			Tokens: tks,
  1483  		},
  1484  		LogicalORExpression{ // 36
  1485  			LogicalANDExpression: LogicalANDExpression{
  1486  				BitwiseORExpression: BitwiseORExpression{
  1487  					BitwiseXORExpression: BitwiseXORExpression{
  1488  						BitwiseANDExpression: BitwiseANDExpression{
  1489  							EqualityExpression: EqualityExpression{
  1490  								RelationalExpression: RelationalExpression{
  1491  									ShiftExpression: ShiftExpression{
  1492  										AdditiveExpression: AdditiveExpression{
  1493  											MultiplicativeExpression: MultiplicativeExpression{
  1494  												ExponentiationExpression: ExponentiationExpression{
  1495  													UnaryExpression: UnaryExpression{
  1496  														UpdateExpression: UpdateExpression{
  1497  															LeftHandSideExpression: &LeftHandSideExpression{
  1498  																NewExpression: &NewExpression{
  1499  																	MemberExpression: MemberExpression{
  1500  																		PrimaryExpression: &PrimaryExpression{
  1501  																			TemplateLiteral: template,
  1502  																			Tokens:          tks,
  1503  																		},
  1504  																		Tokens: tks,
  1505  																	},
  1506  																	Tokens: tks,
  1507  																},
  1508  																Tokens: tks,
  1509  															},
  1510  															Tokens: tks,
  1511  														},
  1512  														Tokens: tks,
  1513  													},
  1514  													Tokens: tks,
  1515  												},
  1516  												Tokens: tks,
  1517  											},
  1518  											Tokens: tks,
  1519  										},
  1520  										Tokens: tks,
  1521  									},
  1522  									Tokens: tks,
  1523  								},
  1524  								Tokens: tks,
  1525  							},
  1526  							Tokens: tks,
  1527  						},
  1528  						Tokens: tks,
  1529  					},
  1530  					Tokens: tks,
  1531  				},
  1532  				Tokens: tks,
  1533  			},
  1534  			Tokens: tks,
  1535  		},
  1536  		&ConditionalExpression{ // 37
  1537  			LogicalORExpression: &LogicalORExpression{
  1538  				LogicalANDExpression: LogicalANDExpression{
  1539  					BitwiseORExpression: BitwiseORExpression{
  1540  						BitwiseXORExpression: BitwiseXORExpression{
  1541  							BitwiseANDExpression: BitwiseANDExpression{
  1542  								EqualityExpression: EqualityExpression{
  1543  									RelationalExpression: RelationalExpression{
  1544  										ShiftExpression: ShiftExpression{
  1545  											AdditiveExpression: AdditiveExpression{
  1546  												MultiplicativeExpression: MultiplicativeExpression{
  1547  													ExponentiationExpression: ExponentiationExpression{
  1548  														UnaryExpression: UnaryExpression{
  1549  															UpdateExpression: UpdateExpression{
  1550  																LeftHandSideExpression: &LeftHandSideExpression{
  1551  																	NewExpression: &NewExpression{
  1552  																		MemberExpression: MemberExpression{
  1553  																			PrimaryExpression: &PrimaryExpression{
  1554  																				TemplateLiteral: template,
  1555  																				Tokens:          tks,
  1556  																			},
  1557  																			Tokens: tks,
  1558  																		},
  1559  																		Tokens: tks,
  1560  																	},
  1561  																	Tokens: tks,
  1562  																},
  1563  																Tokens: tks,
  1564  															},
  1565  															Tokens: tks,
  1566  														},
  1567  														Tokens: tks,
  1568  													},
  1569  													Tokens: tks,
  1570  												},
  1571  												Tokens: tks,
  1572  											},
  1573  											Tokens: tks,
  1574  										},
  1575  										Tokens: tks,
  1576  									},
  1577  									Tokens: tks,
  1578  								},
  1579  								Tokens: tks,
  1580  							},
  1581  							Tokens: tks,
  1582  						},
  1583  						Tokens: tks,
  1584  					},
  1585  					Tokens: tks,
  1586  				},
  1587  				Tokens: tks,
  1588  			},
  1589  			Tokens: tks,
  1590  		},
  1591  		ConditionalExpression{ // 38
  1592  			LogicalORExpression: &LogicalORExpression{
  1593  				LogicalANDExpression: LogicalANDExpression{
  1594  					BitwiseORExpression: BitwiseORExpression{
  1595  						BitwiseXORExpression: BitwiseXORExpression{
  1596  							BitwiseANDExpression: BitwiseANDExpression{
  1597  								EqualityExpression: EqualityExpression{
  1598  									RelationalExpression: RelationalExpression{
  1599  										ShiftExpression: ShiftExpression{
  1600  											AdditiveExpression: AdditiveExpression{
  1601  												MultiplicativeExpression: MultiplicativeExpression{
  1602  													ExponentiationExpression: ExponentiationExpression{
  1603  														UnaryExpression: UnaryExpression{
  1604  															UpdateExpression: UpdateExpression{
  1605  																LeftHandSideExpression: &LeftHandSideExpression{
  1606  																	NewExpression: &NewExpression{
  1607  																		MemberExpression: MemberExpression{
  1608  																			PrimaryExpression: &PrimaryExpression{
  1609  																				TemplateLiteral: template,
  1610  																				Tokens:          tks,
  1611  																			},
  1612  																			Tokens: tks,
  1613  																		},
  1614  																		Tokens: tks,
  1615  																	},
  1616  																	Tokens: tks,
  1617  																},
  1618  																Tokens: tks,
  1619  															},
  1620  															Tokens: tks,
  1621  														},
  1622  														Tokens: tks,
  1623  													},
  1624  													Tokens: tks,
  1625  												},
  1626  												Tokens: tks,
  1627  											},
  1628  											Tokens: tks,
  1629  										},
  1630  										Tokens: tks,
  1631  									},
  1632  									Tokens: tks,
  1633  								},
  1634  								Tokens: tks,
  1635  							},
  1636  							Tokens: tks,
  1637  						},
  1638  						Tokens: tks,
  1639  					},
  1640  					Tokens: tks,
  1641  				},
  1642  				Tokens: tks,
  1643  			},
  1644  			Tokens: tks,
  1645  		},
  1646  	} {
  1647  		if output := WrapConditional(test); !reflect.DeepEqual(output, &expectedOutput) {
  1648  			t.Errorf("test %d: expecting\n%v\n...got...\n%v", n+1, expectedOutput, output)
  1649  		}
  1650  	}
  1651  }
  1652  
  1653  func TestWrapConditionalExtra(t *testing.T) {
  1654  	arrayTokens := Tokens{
  1655  		{
  1656  			Token: parser.Token{
  1657  				Type: TokenPunctuator,
  1658  				Data: "[",
  1659  			},
  1660  		},
  1661  		{
  1662  			Token: parser.Token{
  1663  				Type: TokenIdentifier,
  1664  				Data: "a",
  1665  			},
  1666  		},
  1667  		{
  1668  			Token: parser.Token{
  1669  				Type: TokenPunctuator,
  1670  				Data: "]",
  1671  			},
  1672  		},
  1673  	}
  1674  	arrayLiteral := &ArrayLiteral{
  1675  		ElementList: []ArrayElement{
  1676  			{
  1677  				AssignmentExpression: AssignmentExpression{
  1678  					ConditionalExpression: WrapConditional(&PrimaryExpression{
  1679  						IdentifierReference: &arrayTokens[1],
  1680  						Tokens:              arrayTokens[1:2],
  1681  					}),
  1682  					Tokens: arrayTokens[1:2],
  1683  				},
  1684  				Tokens: arrayTokens[1:2],
  1685  			},
  1686  		},
  1687  		Tokens: arrayTokens,
  1688  	}
  1689  	objectTokens := Tokens{
  1690  		{
  1691  			Token: parser.Token{
  1692  				Type: TokenPunctuator,
  1693  				Data: "{",
  1694  			},
  1695  		},
  1696  		{
  1697  			Token: parser.Token{
  1698  				Type: TokenPunctuator,
  1699  				Data: "...",
  1700  			},
  1701  		},
  1702  		{
  1703  			Token: parser.Token{
  1704  				Type: TokenIdentifier,
  1705  				Data: "a",
  1706  			},
  1707  		},
  1708  		{
  1709  			Token: parser.Token{
  1710  				Type: TokenRightBracePunctuator,
  1711  				Data: "}",
  1712  			},
  1713  		},
  1714  	}
  1715  	objectLiteral := &ObjectLiteral{
  1716  		PropertyDefinitionList: []PropertyDefinition{
  1717  			{
  1718  				AssignmentExpression: &AssignmentExpression{
  1719  					ConditionalExpression: WrapConditional(&PrimaryExpression{
  1720  						IdentifierReference: &arrayTokens[2],
  1721  						Tokens:              arrayTokens[2:3],
  1722  					}),
  1723  					Tokens: arrayTokens[2:3],
  1724  				},
  1725  				Tokens: arrayTokens[2:3],
  1726  			},
  1727  		},
  1728  		Tokens: objectTokens,
  1729  	}
  1730  	functionTokens := Tokens{
  1731  		{
  1732  			Token: parser.Token{
  1733  				Type: TokenKeyword,
  1734  				Data: "function",
  1735  			},
  1736  		},
  1737  		{
  1738  			Token: parser.Token{
  1739  				Type: TokenPunctuator,
  1740  				Data: "(",
  1741  			},
  1742  		},
  1743  		{
  1744  			Token: parser.Token{
  1745  				Type: TokenPunctuator,
  1746  				Data: ")",
  1747  			},
  1748  		},
  1749  		{
  1750  			Token: parser.Token{
  1751  				Type: TokenPunctuator,
  1752  				Data: "{",
  1753  			},
  1754  		},
  1755  		{
  1756  			Token: parser.Token{
  1757  				Type: TokenRightBracePunctuator,
  1758  				Data: "}",
  1759  			},
  1760  		},
  1761  	}
  1762  	functionDeclaration := &FunctionDeclaration{
  1763  		FormalParameters: FormalParameters{
  1764  			Tokens: functionTokens[1:3],
  1765  		},
  1766  		FunctionBody: Block{
  1767  			Tokens: functionTokens[3:5],
  1768  		},
  1769  		Tokens: functionTokens,
  1770  	}
  1771  	classTokens := Tokens{
  1772  		{
  1773  			Token: parser.Token{
  1774  				Type: TokenKeyword,
  1775  				Data: "class",
  1776  			},
  1777  		},
  1778  		{
  1779  			Token: parser.Token{
  1780  				Type: TokenPunctuator,
  1781  				Data: "{",
  1782  			},
  1783  		},
  1784  		{
  1785  			Token: parser.Token{
  1786  				Type: TokenRightBracePunctuator,
  1787  				Data: "}",
  1788  			},
  1789  		},
  1790  	}
  1791  	classDeclaration := &ClassDeclaration{
  1792  		Tokens: classTokens,
  1793  	}
  1794  	parenthesizedTokens := Tokens{
  1795  		{
  1796  			Token: parser.Token{
  1797  				Type: TokenPunctuator,
  1798  				Data: "(",
  1799  			},
  1800  		},
  1801  		{
  1802  			Token: parser.Token{
  1803  				Type: TokenIdentifier,
  1804  				Data: "a",
  1805  			},
  1806  		},
  1807  		{
  1808  			Token: parser.Token{
  1809  				Type: TokenPunctuator,
  1810  				Data: ")",
  1811  			},
  1812  		},
  1813  	}
  1814  	parenthesizedExpression := &ParenthesizedExpression{
  1815  		Expressions: []AssignmentExpression{
  1816  			{
  1817  				ConditionalExpression: WrapConditional(&PrimaryExpression{
  1818  					IdentifierReference: &arrayTokens[1],
  1819  					Tokens:              parenthesizedTokens[1:2],
  1820  				}),
  1821  				Tokens: parenthesizedTokens[1:2],
  1822  			},
  1823  		},
  1824  		Tokens: parenthesizedTokens,
  1825  	}
  1826  	callTokens := Tokens{
  1827  		{
  1828  			Token: parser.Token{
  1829  				Type: TokenIdentifier,
  1830  				Data: "a",
  1831  			},
  1832  		},
  1833  		{
  1834  			Token: parser.Token{
  1835  				Type: TokenPunctuator,
  1836  				Data: "(",
  1837  			},
  1838  		},
  1839  		{
  1840  			Token: parser.Token{
  1841  				Type: TokenIdentifier,
  1842  				Data: "b",
  1843  			},
  1844  		},
  1845  		{
  1846  			Token: parser.Token{
  1847  				Type: TokenPunctuator,
  1848  				Data: ")",
  1849  			},
  1850  		},
  1851  	}
  1852  	callExpression := &CallExpression{
  1853  		CallExpression: &CallExpression{
  1854  			MemberExpression: &MemberExpression{
  1855  				PrimaryExpression: &PrimaryExpression{
  1856  					IdentifierReference: &callTokens[0],
  1857  					Tokens:              callTokens[:1],
  1858  				},
  1859  				Tokens: callTokens[:1],
  1860  			},
  1861  			Tokens: callTokens[:1],
  1862  		},
  1863  		Arguments: &Arguments{
  1864  			ArgumentList: []Argument{
  1865  				{
  1866  					AssignmentExpression: AssignmentExpression{
  1867  						ConditionalExpression: WrapConditional(&PrimaryExpression{
  1868  							IdentifierReference: &callTokens[2],
  1869  							Tokens:              callTokens[2:3],
  1870  						}),
  1871  						Tokens: callTokens[2:3],
  1872  					},
  1873  					Tokens: callTokens[2:3],
  1874  				},
  1875  			},
  1876  			Tokens: callTokens[1:4],
  1877  		},
  1878  		Tokens: callTokens[:4],
  1879  	}
  1880  	optionalTokens := Tokens{
  1881  		{
  1882  			Token: parser.Token{
  1883  				Type: TokenIdentifier,
  1884  				Data: "a",
  1885  			},
  1886  		},
  1887  		{
  1888  			Token: parser.Token{
  1889  				Type: TokenPunctuator,
  1890  				Data: "?.",
  1891  			},
  1892  		},
  1893  		{
  1894  			Token: parser.Token{
  1895  				Type: TokenIdentifier,
  1896  				Data: "b",
  1897  			},
  1898  		},
  1899  	}
  1900  	optionalExpression := &OptionalExpression{
  1901  		OptionalExpression: &OptionalExpression{
  1902  			MemberExpression: &MemberExpression{
  1903  				PrimaryExpression: &PrimaryExpression{
  1904  					IdentifierReference: &optionalTokens[0],
  1905  					Tokens:              optionalTokens[:1],
  1906  				},
  1907  				Tokens: optionalTokens[:1],
  1908  			},
  1909  			Tokens: optionalTokens[:1],
  1910  		},
  1911  		OptionalChain: OptionalChain{
  1912  			IdentifierName: &optionalTokens[2],
  1913  			Tokens:         optionalTokens[2:3],
  1914  		},
  1915  		Tokens: optionalTokens[:3],
  1916  	}
  1917  
  1918  	for n, test := range [...]struct {
  1919  		inner ConditionalWrappable
  1920  		outer ConditionalWrappable
  1921  	}{
  1922  		{ // 1
  1923  			arrayLiteral,
  1924  			&PrimaryExpression{
  1925  				ArrayLiteral: arrayLiteral,
  1926  				Tokens:       arrayTokens,
  1927  			},
  1928  		},
  1929  		{ // 2
  1930  			*arrayLiteral,
  1931  			&PrimaryExpression{
  1932  				ArrayLiteral: arrayLiteral,
  1933  				Tokens:       arrayTokens,
  1934  			},
  1935  		},
  1936  		{ // 3
  1937  			objectLiteral,
  1938  			&PrimaryExpression{
  1939  				ObjectLiteral: objectLiteral,
  1940  				Tokens:        objectTokens,
  1941  			},
  1942  		},
  1943  		{ // 4
  1944  			*objectLiteral,
  1945  			&PrimaryExpression{
  1946  				ObjectLiteral: objectLiteral,
  1947  				Tokens:        objectTokens,
  1948  			},
  1949  		},
  1950  		{ // 5
  1951  			functionDeclaration,
  1952  			&PrimaryExpression{
  1953  				FunctionExpression: functionDeclaration,
  1954  				Tokens:             functionTokens,
  1955  			},
  1956  		},
  1957  		{ // 6
  1958  			*functionDeclaration,
  1959  			&PrimaryExpression{
  1960  				FunctionExpression: functionDeclaration,
  1961  				Tokens:             functionTokens,
  1962  			},
  1963  		},
  1964  		{ // 7
  1965  			classDeclaration,
  1966  			&PrimaryExpression{
  1967  				ClassExpression: classDeclaration,
  1968  				Tokens:          classTokens,
  1969  			},
  1970  		},
  1971  		{ // 8
  1972  			*classDeclaration,
  1973  			&PrimaryExpression{
  1974  				ClassExpression: classDeclaration,
  1975  				Tokens:          classTokens,
  1976  			},
  1977  		},
  1978  		{ // 9
  1979  			parenthesizedExpression,
  1980  			&PrimaryExpression{
  1981  				ParenthesizedExpression: parenthesizedExpression,
  1982  				Tokens:                  parenthesizedTokens,
  1983  			},
  1984  		},
  1985  		{ // 10
  1986  			*parenthesizedExpression,
  1987  			&PrimaryExpression{
  1988  				ParenthesizedExpression: parenthesizedExpression,
  1989  				Tokens:                  parenthesizedTokens,
  1990  			},
  1991  		},
  1992  		{ // 11
  1993  			callExpression,
  1994  			&LeftHandSideExpression{
  1995  				CallExpression: callExpression,
  1996  				Tokens:         callTokens,
  1997  			},
  1998  		},
  1999  		{ // 12
  2000  			*callExpression,
  2001  			&LeftHandSideExpression{
  2002  				CallExpression: callExpression,
  2003  				Tokens:         callTokens,
  2004  			},
  2005  		},
  2006  		{ // 13
  2007  			optionalExpression,
  2008  			&LeftHandSideExpression{
  2009  				OptionalExpression: optionalExpression,
  2010  				Tokens:             optionalTokens,
  2011  			},
  2012  		},
  2013  		{ // 14
  2014  			*optionalExpression,
  2015  			&LeftHandSideExpression{
  2016  				OptionalExpression: optionalExpression,
  2017  				Tokens:             optionalTokens,
  2018  			},
  2019  		},
  2020  	} {
  2021  		if output, expectedOutput := WrapConditional(test.inner), WrapConditional(test.outer); !reflect.DeepEqual(output, expectedOutput) {
  2022  			t.Errorf("test %d: expecting\n%v\n...got...\n%v", n+1, expectedOutput, output)
  2023  		}
  2024  	}
  2025  }
  2026  
  2027  func TestUnwrapConditional(t *testing.T) {
  2028  	tks := Tokens{
  2029  		{
  2030  			Token: parser.Token{
  2031  				Type: TokenIdentifier,
  2032  				Data: "a",
  2033  			},
  2034  		},
  2035  		{
  2036  			Token: parser.Token{
  2037  				Type: TokenIdentifier,
  2038  				Data: "b",
  2039  			},
  2040  		},
  2041  	}
  2042  	identA := &tks[0]
  2043  	identB := &tks[1]
  2044  
  2045  	for n, test := range [...]ConditionalWrappable{
  2046  		&ParenthesizedExpression{ // 1
  2047  			Expressions: []AssignmentExpression{
  2048  				{
  2049  					ConditionalExpression: WrapConditional(&PrimaryExpression{
  2050  						IdentifierReference: identA,
  2051  						Tokens:              tks[:1],
  2052  					}),
  2053  					Tokens: tks[:1],
  2054  				},
  2055  			},
  2056  			Tokens: tks[:1],
  2057  		},
  2058  		&TemplateLiteral{ // 2
  2059  			NoSubstitutionTemplate: identA,
  2060  			Tokens:                 tks[:1],
  2061  		},
  2062  		&ClassDeclaration{ // 3
  2063  			BindingIdentifier: identA,
  2064  			Tokens:            tks[:1],
  2065  		},
  2066  		&FunctionDeclaration{ // 4
  2067  			BindingIdentifier: identA,
  2068  			Tokens:            tks[:1],
  2069  		},
  2070  		&ObjectLiteral{ // 5
  2071  			PropertyDefinitionList: []PropertyDefinition{
  2072  				{
  2073  					AssignmentExpression: &AssignmentExpression{
  2074  						ConditionalExpression: WrapConditional(&PrimaryExpression{
  2075  							IdentifierReference: identA,
  2076  							Tokens:              tks[:1],
  2077  						}),
  2078  						Tokens: tks[:1],
  2079  					},
  2080  					Tokens: tks[:1],
  2081  				},
  2082  			},
  2083  			Tokens: tks[:1],
  2084  		},
  2085  		&ArrayLiteral{ // 6
  2086  			ElementList: []ArrayElement{
  2087  				{
  2088  					AssignmentExpression: AssignmentExpression{
  2089  						ConditionalExpression: WrapConditional(&PrimaryExpression{
  2090  							IdentifierReference: identA,
  2091  							Tokens:              tks[:1],
  2092  						}),
  2093  						Tokens: tks[:1],
  2094  					},
  2095  					Tokens: tks[:1],
  2096  				},
  2097  			},
  2098  			Tokens: tks[:1],
  2099  		},
  2100  		&PrimaryExpression{ // 7
  2101  			IdentifierReference: identA,
  2102  			Tokens:              tks[:1],
  2103  		},
  2104  		&MemberExpression{ // 8
  2105  			MemberExpression: &MemberExpression{
  2106  				PrimaryExpression: &PrimaryExpression{
  2107  					IdentifierReference: identA,
  2108  					Tokens:              tks[:1],
  2109  				},
  2110  			},
  2111  			IdentifierName: identB,
  2112  			Tokens:         tks,
  2113  		},
  2114  		&NewExpression{ // 9
  2115  			News: 1,
  2116  			MemberExpression: MemberExpression{
  2117  				PrimaryExpression: &PrimaryExpression{
  2118  					IdentifierReference: identA,
  2119  					Tokens:              tks[:1],
  2120  				},
  2121  				Tokens: tks[:1],
  2122  			},
  2123  			Tokens: tks[:1],
  2124  		},
  2125  		&CallExpression{ // 10
  2126  			CallExpression: &CallExpression{
  2127  				MemberExpression: &MemberExpression{
  2128  					PrimaryExpression: &PrimaryExpression{
  2129  						IdentifierReference: identA,
  2130  						Tokens:              tks[:1],
  2131  					},
  2132  				},
  2133  				Tokens: tks[:1],
  2134  			},
  2135  			Arguments: &Arguments{
  2136  				ArgumentList: []Argument{
  2137  					{
  2138  						AssignmentExpression: AssignmentExpression{
  2139  							ConditionalExpression: WrapConditional(&PrimaryExpression{
  2140  								IdentifierReference: identB,
  2141  								Tokens:              tks[1:2],
  2142  							}),
  2143  							Tokens: tks[1:2],
  2144  						},
  2145  						Tokens: tks[1:2],
  2146  					},
  2147  				},
  2148  				Tokens: tks[1:2],
  2149  			},
  2150  			Tokens: tks[:2],
  2151  		},
  2152  		&OptionalExpression{ // 11
  2153  			OptionalExpression: &OptionalExpression{
  2154  				MemberExpression: &MemberExpression{
  2155  					PrimaryExpression: &PrimaryExpression{
  2156  						IdentifierReference: identA,
  2157  						Tokens:              tks[:1],
  2158  					},
  2159  				},
  2160  				Tokens: tks[:1],
  2161  			},
  2162  			OptionalChain: OptionalChain{
  2163  				IdentifierName: identB,
  2164  				Tokens:         tks[1:2],
  2165  			},
  2166  			Tokens: tks[:2],
  2167  		},
  2168  		&UpdateExpression{ // 12
  2169  			UpdateOperator: UpdatePostIncrement,
  2170  			UnaryExpression: &UnaryExpression{
  2171  				UpdateExpression: UpdateExpression{
  2172  					LeftHandSideExpression: &LeftHandSideExpression{
  2173  						NewExpression: &NewExpression{
  2174  							MemberExpression: MemberExpression{
  2175  								PrimaryExpression: &PrimaryExpression{
  2176  									IdentifierReference: identA,
  2177  									Tokens:              tks[:1],
  2178  								},
  2179  								Tokens: tks[:1],
  2180  							},
  2181  							Tokens: tks[:1],
  2182  						},
  2183  						Tokens: tks[:1],
  2184  					},
  2185  					Tokens: tks[:1],
  2186  				},
  2187  				Tokens: tks[:1],
  2188  			},
  2189  			Tokens: tks[:1],
  2190  		},
  2191  		&UnaryExpression{ // 13
  2192  			UnaryOperators: []UnaryOperator{UnaryVoid},
  2193  			UpdateExpression: UpdateExpression{
  2194  				LeftHandSideExpression: &LeftHandSideExpression{
  2195  					NewExpression: &NewExpression{
  2196  						MemberExpression: MemberExpression{
  2197  							PrimaryExpression: &PrimaryExpression{
  2198  								IdentifierReference: identA,
  2199  								Tokens:              tks[:1],
  2200  							},
  2201  							Tokens: tks[:1],
  2202  						},
  2203  						Tokens: tks[:1],
  2204  					},
  2205  					Tokens: tks[:1],
  2206  				},
  2207  				Tokens: tks[:1],
  2208  			},
  2209  			Tokens: tks[:1],
  2210  		},
  2211  		&ExponentiationExpression{ // 14
  2212  			ExponentiationExpression: &ExponentiationExpression{
  2213  				UnaryExpression: UnaryExpression{
  2214  					UpdateExpression: UpdateExpression{
  2215  						LeftHandSideExpression: &LeftHandSideExpression{
  2216  							NewExpression: &NewExpression{
  2217  								MemberExpression: MemberExpression{
  2218  									PrimaryExpression: &PrimaryExpression{
  2219  										IdentifierReference: identA,
  2220  										Tokens:              tks[:1],
  2221  									},
  2222  									Tokens: tks[:1],
  2223  								},
  2224  								Tokens: tks[:1],
  2225  							},
  2226  							Tokens: tks[:1],
  2227  						},
  2228  						Tokens: tks[:1],
  2229  					},
  2230  					Tokens: tks[:1],
  2231  				},
  2232  				Tokens: tks[:1],
  2233  			},
  2234  			UnaryExpression: UnaryExpression{
  2235  				UpdateExpression: UpdateExpression{
  2236  					LeftHandSideExpression: &LeftHandSideExpression{
  2237  						NewExpression: &NewExpression{
  2238  							MemberExpression: MemberExpression{
  2239  								PrimaryExpression: &PrimaryExpression{
  2240  									IdentifierReference: identB,
  2241  									Tokens:              tks[1:2],
  2242  								},
  2243  								Tokens: tks[1:2],
  2244  							},
  2245  							Tokens: tks[1:2],
  2246  						},
  2247  						Tokens: tks[1:2],
  2248  					},
  2249  					Tokens: tks[1:2],
  2250  				},
  2251  				Tokens: tks[1:2],
  2252  			},
  2253  			Tokens: tks[:2],
  2254  		},
  2255  		&MultiplicativeExpression{ // 15
  2256  			MultiplicativeExpression: &MultiplicativeExpression{
  2257  				ExponentiationExpression: ExponentiationExpression{
  2258  					UnaryExpression: UnaryExpression{
  2259  						UpdateExpression: UpdateExpression{
  2260  							LeftHandSideExpression: &LeftHandSideExpression{
  2261  								NewExpression: &NewExpression{
  2262  									MemberExpression: MemberExpression{
  2263  										PrimaryExpression: &PrimaryExpression{
  2264  											IdentifierReference: identA,
  2265  											Tokens:              tks[:1],
  2266  										},
  2267  										Tokens: tks[:1],
  2268  									},
  2269  									Tokens: tks[:1],
  2270  								},
  2271  								Tokens: tks[:1],
  2272  							},
  2273  							Tokens: tks[:1],
  2274  						},
  2275  						Tokens: tks[:1],
  2276  					},
  2277  					Tokens: tks[:1],
  2278  				},
  2279  				Tokens: tks[:1],
  2280  			},
  2281  			ExponentiationExpression: ExponentiationExpression{
  2282  				UnaryExpression: UnaryExpression{
  2283  					UpdateExpression: UpdateExpression{
  2284  						LeftHandSideExpression: &LeftHandSideExpression{
  2285  							NewExpression: &NewExpression{
  2286  								MemberExpression: MemberExpression{
  2287  									PrimaryExpression: &PrimaryExpression{
  2288  										IdentifierReference: identB,
  2289  										Tokens:              tks[1:2],
  2290  									},
  2291  									Tokens: tks[1:2],
  2292  								},
  2293  								Tokens: tks[1:2],
  2294  							},
  2295  							Tokens: tks[1:2],
  2296  						},
  2297  						Tokens: tks[1:2],
  2298  					},
  2299  					Tokens: tks[1:2],
  2300  				},
  2301  				Tokens: tks[1:2],
  2302  			},
  2303  			Tokens: tks[:2],
  2304  		},
  2305  		&AdditiveExpression{ // 16
  2306  			AdditiveExpression: &AdditiveExpression{
  2307  				MultiplicativeExpression: MultiplicativeExpression{
  2308  					ExponentiationExpression: ExponentiationExpression{
  2309  						UnaryExpression: UnaryExpression{
  2310  							UpdateExpression: UpdateExpression{
  2311  								LeftHandSideExpression: &LeftHandSideExpression{
  2312  									NewExpression: &NewExpression{
  2313  										MemberExpression: MemberExpression{
  2314  											PrimaryExpression: &PrimaryExpression{
  2315  												IdentifierReference: identA,
  2316  												Tokens:              tks[:1],
  2317  											},
  2318  											Tokens: tks[:1],
  2319  										},
  2320  										Tokens: tks[:1],
  2321  									},
  2322  									Tokens: tks[:1],
  2323  								},
  2324  								Tokens: tks[:1],
  2325  							},
  2326  							Tokens: tks[:1],
  2327  						},
  2328  						Tokens: tks[:1],
  2329  					},
  2330  					Tokens: tks[:1],
  2331  				},
  2332  				Tokens: tks[:1],
  2333  			},
  2334  			MultiplicativeExpression: MultiplicativeExpression{
  2335  				ExponentiationExpression: ExponentiationExpression{
  2336  					UnaryExpression: UnaryExpression{
  2337  						UpdateExpression: UpdateExpression{
  2338  							LeftHandSideExpression: &LeftHandSideExpression{
  2339  								NewExpression: &NewExpression{
  2340  									MemberExpression: MemberExpression{
  2341  										PrimaryExpression: &PrimaryExpression{
  2342  											IdentifierReference: identB,
  2343  											Tokens:              tks[1:2],
  2344  										},
  2345  										Tokens: tks[1:2],
  2346  									},
  2347  									Tokens: tks[1:2],
  2348  								},
  2349  								Tokens: tks[1:2],
  2350  							},
  2351  							Tokens: tks[1:2],
  2352  						},
  2353  						Tokens: tks[1:2],
  2354  					},
  2355  					Tokens: tks[1:2],
  2356  				},
  2357  				Tokens: tks[1:2],
  2358  			},
  2359  			Tokens: tks[:2],
  2360  		},
  2361  		&ShiftExpression{ // 17
  2362  			ShiftExpression: &ShiftExpression{
  2363  				AdditiveExpression: AdditiveExpression{
  2364  					MultiplicativeExpression: MultiplicativeExpression{
  2365  						ExponentiationExpression: ExponentiationExpression{
  2366  							UnaryExpression: UnaryExpression{
  2367  								UpdateExpression: UpdateExpression{
  2368  									LeftHandSideExpression: &LeftHandSideExpression{
  2369  										NewExpression: &NewExpression{
  2370  											MemberExpression: MemberExpression{
  2371  												PrimaryExpression: &PrimaryExpression{
  2372  													IdentifierReference: identA,
  2373  													Tokens:              tks[:1],
  2374  												},
  2375  												Tokens: tks[:1],
  2376  											},
  2377  											Tokens: tks[:1],
  2378  										},
  2379  										Tokens: tks[:1],
  2380  									},
  2381  									Tokens: tks[:1],
  2382  								},
  2383  								Tokens: tks[:1],
  2384  							},
  2385  							Tokens: tks[:1],
  2386  						},
  2387  						Tokens: tks[:1],
  2388  					},
  2389  					Tokens: tks[:1],
  2390  				},
  2391  				Tokens: tks[:1],
  2392  			},
  2393  			AdditiveExpression: AdditiveExpression{
  2394  				MultiplicativeExpression: MultiplicativeExpression{
  2395  					ExponentiationExpression: ExponentiationExpression{
  2396  						UnaryExpression: UnaryExpression{
  2397  							UpdateExpression: UpdateExpression{
  2398  								LeftHandSideExpression: &LeftHandSideExpression{
  2399  									NewExpression: &NewExpression{
  2400  										MemberExpression: MemberExpression{
  2401  											PrimaryExpression: &PrimaryExpression{
  2402  												IdentifierReference: identB,
  2403  												Tokens:              tks[1:2],
  2404  											},
  2405  											Tokens: tks[1:2],
  2406  										},
  2407  										Tokens: tks[1:2],
  2408  									},
  2409  									Tokens: tks[1:2],
  2410  								},
  2411  								Tokens: tks[1:2],
  2412  							},
  2413  							Tokens: tks[1:2],
  2414  						},
  2415  						Tokens: tks[1:2],
  2416  					},
  2417  					Tokens: tks[1:2],
  2418  				},
  2419  				Tokens: tks[1:2],
  2420  			},
  2421  			Tokens: tks[:2],
  2422  		},
  2423  		&RelationalExpression{ // 18
  2424  			RelationalExpression: &RelationalExpression{
  2425  				ShiftExpression: ShiftExpression{
  2426  					AdditiveExpression: AdditiveExpression{
  2427  						MultiplicativeExpression: MultiplicativeExpression{
  2428  							ExponentiationExpression: ExponentiationExpression{
  2429  								UnaryExpression: UnaryExpression{
  2430  									UpdateExpression: UpdateExpression{
  2431  										LeftHandSideExpression: &LeftHandSideExpression{
  2432  											NewExpression: &NewExpression{
  2433  												MemberExpression: MemberExpression{
  2434  													PrimaryExpression: &PrimaryExpression{
  2435  														IdentifierReference: identA,
  2436  														Tokens:              tks[:1],
  2437  													},
  2438  													Tokens: tks[:1],
  2439  												},
  2440  												Tokens: tks[:1],
  2441  											},
  2442  											Tokens: tks[:1],
  2443  										},
  2444  										Tokens: tks[:1],
  2445  									},
  2446  									Tokens: tks[:1],
  2447  								},
  2448  								Tokens: tks[:1],
  2449  							},
  2450  							Tokens: tks[:1],
  2451  						},
  2452  						Tokens: tks[:1],
  2453  					},
  2454  					Tokens: tks[:1],
  2455  				},
  2456  				Tokens: tks[:1],
  2457  			},
  2458  			ShiftExpression: ShiftExpression{
  2459  				AdditiveExpression: AdditiveExpression{
  2460  					MultiplicativeExpression: MultiplicativeExpression{
  2461  						ExponentiationExpression: ExponentiationExpression{
  2462  							UnaryExpression: UnaryExpression{
  2463  								UpdateExpression: UpdateExpression{
  2464  									LeftHandSideExpression: &LeftHandSideExpression{
  2465  										NewExpression: &NewExpression{
  2466  											MemberExpression: MemberExpression{
  2467  												PrimaryExpression: &PrimaryExpression{
  2468  													IdentifierReference: identB,
  2469  													Tokens:              tks[1:2],
  2470  												},
  2471  												Tokens: tks[1:2],
  2472  											},
  2473  											Tokens: tks[1:2],
  2474  										},
  2475  										Tokens: tks[1:2],
  2476  									},
  2477  									Tokens: tks[1:2],
  2478  								},
  2479  								Tokens: tks[1:2],
  2480  							},
  2481  							Tokens: tks[1:2],
  2482  						},
  2483  						Tokens: tks[1:2],
  2484  					},
  2485  					Tokens: tks[1:2],
  2486  				},
  2487  				Tokens: tks[1:2],
  2488  			},
  2489  			Tokens: tks[:2],
  2490  		},
  2491  		&EqualityExpression{ // 19
  2492  			EqualityExpression: &EqualityExpression{
  2493  				RelationalExpression: RelationalExpression{
  2494  					ShiftExpression: ShiftExpression{
  2495  						AdditiveExpression: AdditiveExpression{
  2496  							MultiplicativeExpression: MultiplicativeExpression{
  2497  								ExponentiationExpression: ExponentiationExpression{
  2498  									UnaryExpression: UnaryExpression{
  2499  										UpdateExpression: UpdateExpression{
  2500  											LeftHandSideExpression: &LeftHandSideExpression{
  2501  												NewExpression: &NewExpression{
  2502  													MemberExpression: MemberExpression{
  2503  														PrimaryExpression: &PrimaryExpression{
  2504  															IdentifierReference: identA,
  2505  															Tokens:              tks[:1],
  2506  														},
  2507  														Tokens: tks[:1],
  2508  													},
  2509  													Tokens: tks[:1],
  2510  												},
  2511  												Tokens: tks[:1],
  2512  											},
  2513  											Tokens: tks[:1],
  2514  										},
  2515  										Tokens: tks[:1],
  2516  									},
  2517  									Tokens: tks[:1],
  2518  								},
  2519  								Tokens: tks[:1],
  2520  							},
  2521  							Tokens: tks[:1],
  2522  						},
  2523  						Tokens: tks[:1],
  2524  					},
  2525  					Tokens: tks[:1],
  2526  				},
  2527  				Tokens: tks[:1],
  2528  			},
  2529  			RelationalExpression: RelationalExpression{
  2530  				ShiftExpression: ShiftExpression{
  2531  					AdditiveExpression: AdditiveExpression{
  2532  						MultiplicativeExpression: MultiplicativeExpression{
  2533  							ExponentiationExpression: ExponentiationExpression{
  2534  								UnaryExpression: UnaryExpression{
  2535  									UpdateExpression: UpdateExpression{
  2536  										LeftHandSideExpression: &LeftHandSideExpression{
  2537  											NewExpression: &NewExpression{
  2538  												MemberExpression: MemberExpression{
  2539  													PrimaryExpression: &PrimaryExpression{
  2540  														IdentifierReference: identB,
  2541  														Tokens:              tks[1:2],
  2542  													},
  2543  													Tokens: tks[1:2],
  2544  												},
  2545  												Tokens: tks[1:2],
  2546  											},
  2547  											Tokens: tks[1:2],
  2548  										},
  2549  										Tokens: tks[1:2],
  2550  									},
  2551  									Tokens: tks[1:2],
  2552  								},
  2553  								Tokens: tks[1:2],
  2554  							},
  2555  							Tokens: tks[1:2],
  2556  						},
  2557  						Tokens: tks[1:2],
  2558  					},
  2559  					Tokens: tks[1:2],
  2560  				},
  2561  				Tokens: tks[1:2],
  2562  			},
  2563  			Tokens: tks[:2],
  2564  		},
  2565  		&BitwiseANDExpression{ // 20
  2566  			BitwiseANDExpression: &BitwiseANDExpression{
  2567  				EqualityExpression: EqualityExpression{
  2568  					RelationalExpression: RelationalExpression{
  2569  						ShiftExpression: ShiftExpression{
  2570  							AdditiveExpression: AdditiveExpression{
  2571  								MultiplicativeExpression: MultiplicativeExpression{
  2572  									ExponentiationExpression: ExponentiationExpression{
  2573  										UnaryExpression: UnaryExpression{
  2574  											UpdateExpression: UpdateExpression{
  2575  												LeftHandSideExpression: &LeftHandSideExpression{
  2576  													NewExpression: &NewExpression{
  2577  														MemberExpression: MemberExpression{
  2578  															PrimaryExpression: &PrimaryExpression{
  2579  																IdentifierReference: identA,
  2580  																Tokens:              tks[:1],
  2581  															},
  2582  															Tokens: tks[:1],
  2583  														},
  2584  														Tokens: tks[:1],
  2585  													},
  2586  													Tokens: tks[:1],
  2587  												},
  2588  												Tokens: tks[:1],
  2589  											},
  2590  											Tokens: tks[:1],
  2591  										},
  2592  										Tokens: tks[:1],
  2593  									},
  2594  									Tokens: tks[:1],
  2595  								},
  2596  								Tokens: tks[:1],
  2597  							},
  2598  							Tokens: tks[:1],
  2599  						},
  2600  						Tokens: tks[:1],
  2601  					},
  2602  					Tokens: tks[:1],
  2603  				},
  2604  				Tokens: tks[:1],
  2605  			},
  2606  			EqualityExpression: EqualityExpression{
  2607  				RelationalExpression: RelationalExpression{
  2608  					ShiftExpression: ShiftExpression{
  2609  						AdditiveExpression: AdditiveExpression{
  2610  							MultiplicativeExpression: MultiplicativeExpression{
  2611  								ExponentiationExpression: ExponentiationExpression{
  2612  									UnaryExpression: UnaryExpression{
  2613  										UpdateExpression: UpdateExpression{
  2614  											LeftHandSideExpression: &LeftHandSideExpression{
  2615  												NewExpression: &NewExpression{
  2616  													MemberExpression: MemberExpression{
  2617  														PrimaryExpression: &PrimaryExpression{
  2618  															IdentifierReference: identB,
  2619  															Tokens:              tks[1:2],
  2620  														},
  2621  														Tokens: tks[1:2],
  2622  													},
  2623  													Tokens: tks[1:2],
  2624  												},
  2625  												Tokens: tks[1:2],
  2626  											},
  2627  											Tokens: tks[1:2],
  2628  										},
  2629  										Tokens: tks[1:2],
  2630  									},
  2631  									Tokens: tks[1:2],
  2632  								},
  2633  								Tokens: tks[1:2],
  2634  							},
  2635  							Tokens: tks[1:2],
  2636  						},
  2637  						Tokens: tks[1:2],
  2638  					},
  2639  					Tokens: tks[1:2],
  2640  				},
  2641  				Tokens: tks[1:2],
  2642  			},
  2643  			Tokens: tks[:2],
  2644  		},
  2645  		&BitwiseXORExpression{ // 21
  2646  			BitwiseXORExpression: &BitwiseXORExpression{
  2647  				BitwiseANDExpression: BitwiseANDExpression{
  2648  					EqualityExpression: EqualityExpression{
  2649  						RelationalExpression: RelationalExpression{
  2650  							ShiftExpression: ShiftExpression{
  2651  								AdditiveExpression: AdditiveExpression{
  2652  									MultiplicativeExpression: MultiplicativeExpression{
  2653  										ExponentiationExpression: ExponentiationExpression{
  2654  											UnaryExpression: UnaryExpression{
  2655  												UpdateExpression: UpdateExpression{
  2656  													LeftHandSideExpression: &LeftHandSideExpression{
  2657  														NewExpression: &NewExpression{
  2658  															MemberExpression: MemberExpression{
  2659  																PrimaryExpression: &PrimaryExpression{
  2660  																	IdentifierReference: identA,
  2661  																	Tokens:              tks[:1],
  2662  																},
  2663  																Tokens: tks[:1],
  2664  															},
  2665  															Tokens: tks[:1],
  2666  														},
  2667  														Tokens: tks[:1],
  2668  													},
  2669  													Tokens: tks[:1],
  2670  												},
  2671  												Tokens: tks[:1],
  2672  											},
  2673  											Tokens: tks[:1],
  2674  										},
  2675  										Tokens: tks[:1],
  2676  									},
  2677  									Tokens: tks[:1],
  2678  								},
  2679  								Tokens: tks[:1],
  2680  							},
  2681  							Tokens: tks[:1],
  2682  						},
  2683  						Tokens: tks[:1],
  2684  					},
  2685  					Tokens: tks[:1],
  2686  				},
  2687  				Tokens: tks[:1],
  2688  			},
  2689  			BitwiseANDExpression: BitwiseANDExpression{
  2690  				EqualityExpression: EqualityExpression{
  2691  					RelationalExpression: RelationalExpression{
  2692  						ShiftExpression: ShiftExpression{
  2693  							AdditiveExpression: AdditiveExpression{
  2694  								MultiplicativeExpression: MultiplicativeExpression{
  2695  									ExponentiationExpression: ExponentiationExpression{
  2696  										UnaryExpression: UnaryExpression{
  2697  											UpdateExpression: UpdateExpression{
  2698  												LeftHandSideExpression: &LeftHandSideExpression{
  2699  													NewExpression: &NewExpression{
  2700  														MemberExpression: MemberExpression{
  2701  															PrimaryExpression: &PrimaryExpression{
  2702  																IdentifierReference: identB,
  2703  																Tokens:              tks[1:2],
  2704  															},
  2705  															Tokens: tks[1:2],
  2706  														},
  2707  														Tokens: tks[1:2],
  2708  													},
  2709  													Tokens: tks[1:2],
  2710  												},
  2711  												Tokens: tks[1:2],
  2712  											},
  2713  											Tokens: tks[1:2],
  2714  										},
  2715  										Tokens: tks[1:2],
  2716  									},
  2717  									Tokens: tks[1:2],
  2718  								},
  2719  								Tokens: tks[1:2],
  2720  							},
  2721  							Tokens: tks[1:2],
  2722  						},
  2723  						Tokens: tks[1:2],
  2724  					},
  2725  					Tokens: tks[1:2],
  2726  				},
  2727  				Tokens: tks[1:2],
  2728  			},
  2729  			Tokens: tks[:2],
  2730  		},
  2731  		&BitwiseORExpression{ // 22
  2732  			BitwiseORExpression: &BitwiseORExpression{
  2733  				BitwiseXORExpression: BitwiseXORExpression{
  2734  					BitwiseANDExpression: BitwiseANDExpression{
  2735  						EqualityExpression: EqualityExpression{
  2736  							RelationalExpression: RelationalExpression{
  2737  								ShiftExpression: ShiftExpression{
  2738  									AdditiveExpression: AdditiveExpression{
  2739  										MultiplicativeExpression: MultiplicativeExpression{
  2740  											ExponentiationExpression: ExponentiationExpression{
  2741  												UnaryExpression: UnaryExpression{
  2742  													UpdateExpression: UpdateExpression{
  2743  														LeftHandSideExpression: &LeftHandSideExpression{
  2744  															NewExpression: &NewExpression{
  2745  																MemberExpression: MemberExpression{
  2746  																	PrimaryExpression: &PrimaryExpression{
  2747  																		IdentifierReference: identA,
  2748  																		Tokens:              tks[:1],
  2749  																	},
  2750  																	Tokens: tks[:1],
  2751  																},
  2752  																Tokens: tks[:1],
  2753  															},
  2754  															Tokens: tks[:1],
  2755  														},
  2756  														Tokens: tks[:1],
  2757  													},
  2758  													Tokens: tks[:1],
  2759  												},
  2760  												Tokens: tks[:1],
  2761  											},
  2762  											Tokens: tks[:1],
  2763  										},
  2764  										Tokens: tks[:1],
  2765  									},
  2766  									Tokens: tks[:1],
  2767  								},
  2768  								Tokens: tks[:1],
  2769  							},
  2770  							Tokens: tks[:1],
  2771  						},
  2772  						Tokens: tks[:1],
  2773  					},
  2774  					Tokens: tks[:1],
  2775  				},
  2776  				Tokens: tks[:1],
  2777  			},
  2778  			BitwiseXORExpression: BitwiseXORExpression{
  2779  				BitwiseANDExpression: BitwiseANDExpression{
  2780  					EqualityExpression: EqualityExpression{
  2781  						RelationalExpression: RelationalExpression{
  2782  							ShiftExpression: ShiftExpression{
  2783  								AdditiveExpression: AdditiveExpression{
  2784  									MultiplicativeExpression: MultiplicativeExpression{
  2785  										ExponentiationExpression: ExponentiationExpression{
  2786  											UnaryExpression: UnaryExpression{
  2787  												UpdateExpression: UpdateExpression{
  2788  													LeftHandSideExpression: &LeftHandSideExpression{
  2789  														NewExpression: &NewExpression{
  2790  															MemberExpression: MemberExpression{
  2791  																PrimaryExpression: &PrimaryExpression{
  2792  																	IdentifierReference: identB,
  2793  																	Tokens:              tks[1:2],
  2794  																},
  2795  																Tokens: tks[1:2],
  2796  															},
  2797  															Tokens: tks[1:2],
  2798  														},
  2799  														Tokens: tks[1:2],
  2800  													},
  2801  													Tokens: tks[1:2],
  2802  												},
  2803  												Tokens: tks[1:2],
  2804  											},
  2805  											Tokens: tks[1:2],
  2806  										},
  2807  										Tokens: tks[1:2],
  2808  									},
  2809  									Tokens: tks[1:2],
  2810  								},
  2811  								Tokens: tks[1:2],
  2812  							},
  2813  							Tokens: tks[1:2],
  2814  						},
  2815  						Tokens: tks[1:2],
  2816  					},
  2817  					Tokens: tks[1:2],
  2818  				},
  2819  				Tokens: tks[1:2],
  2820  			},
  2821  			Tokens: tks[:2],
  2822  		},
  2823  		&LogicalANDExpression{ // 23
  2824  			LogicalANDExpression: &LogicalANDExpression{
  2825  				BitwiseORExpression: BitwiseORExpression{
  2826  					BitwiseXORExpression: BitwiseXORExpression{
  2827  						BitwiseANDExpression: BitwiseANDExpression{
  2828  							EqualityExpression: EqualityExpression{
  2829  								RelationalExpression: RelationalExpression{
  2830  									ShiftExpression: ShiftExpression{
  2831  										AdditiveExpression: AdditiveExpression{
  2832  											MultiplicativeExpression: MultiplicativeExpression{
  2833  												ExponentiationExpression: ExponentiationExpression{
  2834  													UnaryExpression: UnaryExpression{
  2835  														UpdateExpression: UpdateExpression{
  2836  															LeftHandSideExpression: &LeftHandSideExpression{
  2837  																NewExpression: &NewExpression{
  2838  																	MemberExpression: MemberExpression{
  2839  																		PrimaryExpression: &PrimaryExpression{
  2840  																			IdentifierReference: identA,
  2841  																			Tokens:              tks[:1],
  2842  																		},
  2843  																		Tokens: tks[:1],
  2844  																	},
  2845  																	Tokens: tks[:1],
  2846  																},
  2847  																Tokens: tks[:1],
  2848  															},
  2849  															Tokens: tks[:1],
  2850  														},
  2851  														Tokens: tks[:1],
  2852  													},
  2853  													Tokens: tks[:1],
  2854  												},
  2855  												Tokens: tks[:1],
  2856  											},
  2857  											Tokens: tks[:1],
  2858  										},
  2859  										Tokens: tks[:1],
  2860  									},
  2861  									Tokens: tks[:1],
  2862  								},
  2863  								Tokens: tks[:1],
  2864  							},
  2865  							Tokens: tks[:1],
  2866  						},
  2867  						Tokens: tks[:1],
  2868  					},
  2869  					Tokens: tks[:1],
  2870  				},
  2871  				Tokens: tks[:1],
  2872  			},
  2873  			BitwiseORExpression: BitwiseORExpression{
  2874  				BitwiseXORExpression: BitwiseXORExpression{
  2875  					BitwiseANDExpression: BitwiseANDExpression{
  2876  						EqualityExpression: EqualityExpression{
  2877  							RelationalExpression: RelationalExpression{
  2878  								ShiftExpression: ShiftExpression{
  2879  									AdditiveExpression: AdditiveExpression{
  2880  										MultiplicativeExpression: MultiplicativeExpression{
  2881  											ExponentiationExpression: ExponentiationExpression{
  2882  												UnaryExpression: UnaryExpression{
  2883  													UpdateExpression: UpdateExpression{
  2884  														LeftHandSideExpression: &LeftHandSideExpression{
  2885  															NewExpression: &NewExpression{
  2886  																MemberExpression: MemberExpression{
  2887  																	PrimaryExpression: &PrimaryExpression{
  2888  																		IdentifierReference: identB,
  2889  																		Tokens:              tks[1:2],
  2890  																	},
  2891  																	Tokens: tks[1:2],
  2892  																},
  2893  																Tokens: tks[1:2],
  2894  															},
  2895  															Tokens: tks[1:2],
  2896  														},
  2897  														Tokens: tks[1:2],
  2898  													},
  2899  													Tokens: tks[1:2],
  2900  												},
  2901  												Tokens: tks[1:2],
  2902  											},
  2903  											Tokens: tks[1:2],
  2904  										},
  2905  										Tokens: tks[1:2],
  2906  									},
  2907  									Tokens: tks[1:2],
  2908  								},
  2909  								Tokens: tks[1:2],
  2910  							},
  2911  							Tokens: tks[1:2],
  2912  						},
  2913  						Tokens: tks[1:2],
  2914  					},
  2915  					Tokens: tks[1:2],
  2916  				},
  2917  				Tokens: tks[1:2],
  2918  			},
  2919  			Tokens: tks[:2],
  2920  		},
  2921  		&LogicalORExpression{ // 24
  2922  			LogicalORExpression: &LogicalORExpression{
  2923  				LogicalANDExpression: LogicalANDExpression{
  2924  					BitwiseORExpression: BitwiseORExpression{
  2925  						BitwiseXORExpression: BitwiseXORExpression{
  2926  							BitwiseANDExpression: BitwiseANDExpression{
  2927  								EqualityExpression: EqualityExpression{
  2928  									RelationalExpression: RelationalExpression{
  2929  										ShiftExpression: ShiftExpression{
  2930  											AdditiveExpression: AdditiveExpression{
  2931  												MultiplicativeExpression: MultiplicativeExpression{
  2932  													ExponentiationExpression: ExponentiationExpression{
  2933  														UnaryExpression: UnaryExpression{
  2934  															UpdateExpression: UpdateExpression{
  2935  																LeftHandSideExpression: &LeftHandSideExpression{
  2936  																	NewExpression: &NewExpression{
  2937  																		MemberExpression: MemberExpression{
  2938  																			PrimaryExpression: &PrimaryExpression{
  2939  																				IdentifierReference: identA,
  2940  																				Tokens:              tks[:1],
  2941  																			},
  2942  																			Tokens: tks[:1],
  2943  																		},
  2944  																		Tokens: tks[:1],
  2945  																	},
  2946  																	Tokens: tks[:1],
  2947  																},
  2948  																Tokens: tks[:1],
  2949  															},
  2950  															Tokens: tks[:1],
  2951  														},
  2952  														Tokens: tks[:1],
  2953  													},
  2954  													Tokens: tks[:1],
  2955  												},
  2956  												Tokens: tks[:1],
  2957  											},
  2958  											Tokens: tks[:1],
  2959  										},
  2960  										Tokens: tks[:1],
  2961  									},
  2962  									Tokens: tks[:1],
  2963  								},
  2964  								Tokens: tks[:1],
  2965  							},
  2966  							Tokens: tks[:1],
  2967  						},
  2968  						Tokens: tks[:1],
  2969  					},
  2970  					Tokens: tks[:1],
  2971  				},
  2972  				Tokens: tks[:1],
  2973  			},
  2974  			LogicalANDExpression: LogicalANDExpression{
  2975  				BitwiseORExpression: BitwiseORExpression{
  2976  					BitwiseXORExpression: BitwiseXORExpression{
  2977  						BitwiseANDExpression: BitwiseANDExpression{
  2978  							EqualityExpression: EqualityExpression{
  2979  								RelationalExpression: RelationalExpression{
  2980  									ShiftExpression: ShiftExpression{
  2981  										AdditiveExpression: AdditiveExpression{
  2982  											MultiplicativeExpression: MultiplicativeExpression{
  2983  												ExponentiationExpression: ExponentiationExpression{
  2984  													UnaryExpression: UnaryExpression{
  2985  														UpdateExpression: UpdateExpression{
  2986  															LeftHandSideExpression: &LeftHandSideExpression{
  2987  																NewExpression: &NewExpression{
  2988  																	MemberExpression: MemberExpression{
  2989  																		PrimaryExpression: &PrimaryExpression{
  2990  																			IdentifierReference: identB,
  2991  																			Tokens:              tks[1:2],
  2992  																		},
  2993  																		Tokens: tks[1:2],
  2994  																	},
  2995  																	Tokens: tks[1:2],
  2996  																},
  2997  																Tokens: tks[1:2],
  2998  															},
  2999  															Tokens: tks[1:2],
  3000  														},
  3001  														Tokens: tks[1:2],
  3002  													},
  3003  													Tokens: tks[1:2],
  3004  												},
  3005  												Tokens: tks[1:2],
  3006  											},
  3007  											Tokens: tks[1:2],
  3008  										},
  3009  										Tokens: tks[1:2],
  3010  									},
  3011  									Tokens: tks[1:2],
  3012  								},
  3013  								Tokens: tks[1:2],
  3014  							},
  3015  							Tokens: tks[1:2],
  3016  						},
  3017  						Tokens: tks[1:2],
  3018  					},
  3019  					Tokens: tks[1:2],
  3020  				},
  3021  				Tokens: tks[1:2],
  3022  			},
  3023  			Tokens: tks[:2],
  3024  		},
  3025  		&ConditionalExpression{ // 25
  3026  			CoalesceExpression: &CoalesceExpression{
  3027  				CoalesceExpressionHead: &CoalesceExpression{
  3028  					BitwiseORExpression: BitwiseORExpression{
  3029  						BitwiseXORExpression: BitwiseXORExpression{
  3030  							BitwiseANDExpression: BitwiseANDExpression{
  3031  								EqualityExpression: EqualityExpression{
  3032  									RelationalExpression: RelationalExpression{
  3033  										ShiftExpression: ShiftExpression{
  3034  											AdditiveExpression: AdditiveExpression{
  3035  												MultiplicativeExpression: MultiplicativeExpression{
  3036  													ExponentiationExpression: ExponentiationExpression{
  3037  														UnaryExpression: UnaryExpression{
  3038  															UpdateExpression: UpdateExpression{
  3039  																LeftHandSideExpression: &LeftHandSideExpression{
  3040  																	NewExpression: &NewExpression{
  3041  																		MemberExpression: MemberExpression{
  3042  																			PrimaryExpression: &PrimaryExpression{
  3043  																				IdentifierReference: identA,
  3044  																				Tokens:              tks[:1],
  3045  																			},
  3046  																			Tokens: tks[:1],
  3047  																		},
  3048  																		Tokens: tks[:1],
  3049  																	},
  3050  																	Tokens: tks[:1],
  3051  																},
  3052  																Tokens: tks[:1],
  3053  															},
  3054  															Tokens: tks[:1],
  3055  														},
  3056  														Tokens: tks[:1],
  3057  													},
  3058  													Tokens: tks[:1],
  3059  												},
  3060  												Tokens: tks[:1],
  3061  											},
  3062  											Tokens: tks[:1],
  3063  										},
  3064  										Tokens: tks[:1],
  3065  									},
  3066  									Tokens: tks[:1],
  3067  								},
  3068  								Tokens: tks[:1],
  3069  							},
  3070  							Tokens: tks[:1],
  3071  						},
  3072  						Tokens: tks[:1],
  3073  					},
  3074  					Tokens: tks[:1],
  3075  				},
  3076  				BitwiseORExpression: BitwiseORExpression{
  3077  					BitwiseXORExpression: BitwiseXORExpression{
  3078  						BitwiseANDExpression: BitwiseANDExpression{
  3079  							EqualityExpression: EqualityExpression{
  3080  								RelationalExpression: RelationalExpression{
  3081  									ShiftExpression: ShiftExpression{
  3082  										AdditiveExpression: AdditiveExpression{
  3083  											MultiplicativeExpression: MultiplicativeExpression{
  3084  												ExponentiationExpression: ExponentiationExpression{
  3085  													UnaryExpression: UnaryExpression{
  3086  														UpdateExpression: UpdateExpression{
  3087  															LeftHandSideExpression: &LeftHandSideExpression{
  3088  																NewExpression: &NewExpression{
  3089  																	MemberExpression: MemberExpression{
  3090  																		PrimaryExpression: &PrimaryExpression{
  3091  																			IdentifierReference: identB,
  3092  																			Tokens:              tks[1:2],
  3093  																		},
  3094  																		Tokens: tks[1:2],
  3095  																	},
  3096  																	Tokens: tks[1:2],
  3097  																},
  3098  																Tokens: tks[1:2],
  3099  															},
  3100  															Tokens: tks[1:2],
  3101  														},
  3102  														Tokens: tks[1:2],
  3103  													},
  3104  													Tokens: tks[1:2],
  3105  												},
  3106  												Tokens: tks[1:2],
  3107  											},
  3108  											Tokens: tks[1:2],
  3109  										},
  3110  										Tokens: tks[1:2],
  3111  									},
  3112  									Tokens: tks[1:2],
  3113  								},
  3114  								Tokens: tks[1:2],
  3115  							},
  3116  							Tokens: tks[1:2],
  3117  						},
  3118  						Tokens: tks[1:2],
  3119  					},
  3120  					Tokens: tks[1:2],
  3121  				},
  3122  				Tokens: tks[1:2],
  3123  			},
  3124  			Tokens: tks[:2],
  3125  		},
  3126  	} {
  3127  		if output := UnwrapConditional(WrapConditional(test)); !reflect.DeepEqual(output, test) {
  3128  			t.Errorf("test %d: expecting\n%v\n...got...\n%v", n+1, test, output)
  3129  		}
  3130  	}
  3131  }
  3132  
  3133  func TestUnwrapConditionalExtra(t *testing.T) {
  3134  	if output := UnwrapConditional(nil); output != nil {
  3135  		t.Errorf("expecting nil got: %v", output)
  3136  	}
  3137  }
  3138