[321] | 1 | /*
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| 2 | ** parse.y - mruby parser
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| 3 | **
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| 4 | ** See Copyright Notice in mruby.h
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| 5 | */
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| 6 |
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| 7 | %{
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| 8 | // can first specify namespace
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| 9 | // could specify using directives
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| 10 | // [this has not been done here to stress-test the skeleton]
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| 11 | using System;
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[430] | 12 | using System.Collections.Generic;
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| 13 | using System.Text.RegularExpressions;
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[321] | 14 | using Bridge;
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| 15 | using Bridge.Html5;
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| 16 |
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| 17 | namespace WebMrbc
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| 18 | {
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| 19 | public enum MrbTokens
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| 20 | {
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| 21 | %}
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| 22 |
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| 23 | %token <int>
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| 24 | keyword_class
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| 25 | keyword_module
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| 26 | keyword_def
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| 27 | keyword_begin
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| 28 | keyword_if
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| 29 | keyword_unless
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| 30 | keyword_while
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| 31 | keyword_until
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| 32 | keyword_for
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| 33 |
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| 34 | %token
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| 35 | keyword_undef
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| 36 | keyword_rescue
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| 37 | keyword_ensure
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| 38 | keyword_end
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| 39 | keyword_then
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| 40 | keyword_elsif
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| 41 | keyword_else
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| 42 | keyword_case
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| 43 | keyword_when
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| 44 | keyword_break
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| 45 | keyword_next
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| 46 | keyword_redo
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| 47 | keyword_retry
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| 48 | keyword_in
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| 49 | keyword_do
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| 50 | keyword_do_cond
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| 51 | keyword_do_block
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| 52 | keyword_do_LAMBDA
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| 53 | keyword_return
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| 54 | keyword_yield
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| 55 | keyword_super
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| 56 | keyword_self
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| 57 | keyword_nil
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| 58 | keyword_true
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| 59 | keyword_false
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| 60 | keyword_and
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| 61 | keyword_or
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| 62 | keyword_not
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| 63 | modifier_if
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| 64 | modifier_unless
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| 65 | modifier_while
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| 66 | modifier_until
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| 67 | modifier_rescue
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| 68 | keyword_alias
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| 69 | keyword_BEGIN
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| 70 | keyword_END
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| 71 | keyword__LINE__
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| 72 | keyword__FILE__
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| 73 | keyword__ENCODING__
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| 74 |
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| 75 | %token <mrb_sym> tIDENTIFIER tFID tGVAR tIVAR tCONSTANT tCVAR tLABEL
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| 76 | %token <node> tINTEGER tFLOAT tCHAR tXSTRING tREGEXP
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| 77 | %token <node> tSTRING tSTRING_PART tSTRING_MID tLABEL_END
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| 78 | %token <node> tNTH_REF tBACK_REF
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| 79 | %token <int> tREGEXP_END
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| 80 |
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| 81 | %type <node> singleton string string_rep string_interp xstring regexp
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| 82 | %type <node> literal numeric cpath symbol
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| 83 | %type <node> top_compstmt top_stmts top_stmt
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| 84 | %type <node> bodystmt compstmt stmts stmt expr arg primary command command_call method_call
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| 85 | %type <node> expr_value arg_rhs primary_value
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| 86 | %type <node> if_tail opt_else case_body cases opt_rescue exc_list exc_var opt_ensure
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| 87 | %type <node> args call_args opt_call_args
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| 88 | %type <node> paren_args opt_paren_args variable
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| 89 | %type <node> command_args aref_args opt_block_arg block_arg var_ref var_lhs
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| 90 | %type <node> command_asgn command_rhs mrhs superclass block_call block_command
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| 91 | %type <node> f_block_optarg f_block_opt
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| 92 | %type <node> f_arglist f_args f_arg f_arg_item f_optarg f_marg f_marg_list f_margs
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| 93 | %type <node> assoc_list assocs assoc undef_list backref for_var
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| 94 | %type <node> block_param opt_block_param block_param_def f_opt
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| 95 | %type <node> bv_decls opt_bv_decl bvar f_larglist lambda_body
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| 96 | %type <node> brace_block cmd_brace_block do_block lhs none f_bad_arg
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| 97 | %type <node> mlhs mlhs_list mlhs_post mlhs_basic mlhs_item mlhs_node mlhs_inner
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| 98 | %type <mrb_sym> fsym sym basic_symbol operation operation2 operation3
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| 99 | %type <mrb_sym> cname fname op f_rest_arg f_block_arg opt_f_block_arg f_norm_arg f_opt_asgn
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| 100 | %type <node> heredoc words symbols
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| 101 | %type <MrbTokens> call_op call_op2 /* 0:'&.', 1:'.', 2:'::' */
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| 102 |
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| 103 | %token tUPLUS /* unary+ */
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| 104 | %token tUMINUS /* unary- */
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| 105 | %token tPOW /* ** */
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| 106 | %token tCMP /* <=> */
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| 107 | %token tEQ /* == */
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| 108 | %token tEQQ /* === */
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| 109 | %token tNEQ /* != */
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| 110 | %token tGEQ /* >= */
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| 111 | %token tLEQ /* <= */
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| 112 | %token tANDOP tOROP /* && and || */
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| 113 | %token tMATCH tNMATCH /* =~ and !~ */
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| 114 | %token tDOT2 tDOT3 /* .. and ... */
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| 115 | %token tAREF tASET /* [] and []= */
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| 116 | %token tLSHFT tRSHFT /* << and >> */
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| 117 | %token tCOLON2 /* :: */
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| 118 | %token tCOLON3 /* :: at EXPR_BEG */
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| 119 | %token <mrb_sym> tOP_ASGN /* +=, -= etc. */
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| 120 | %token tASSOC /* => */
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| 121 | %token tLPAREN /* ( */
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| 122 | %token tLPAREN_ARG /* ( */
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| 123 | %token tRPAREN /* ) */
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| 124 | %token tLBRACK /* [ */
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| 125 | %token tLBRACE /* { */
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| 126 | %token tLBRACE_ARG /* { */
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| 127 | %token tSTAR /* * */
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| 128 | %token tAMPER /* & */
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| 129 | %token tLAMBDA /* -> */
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| 130 | %token tANDDOT /* &. */
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| 131 | %token tSYMBEG tREGEXP_BEG tWORDS_BEG tSYMBOLS_BEG
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| 132 | %token tSTRING_BEG tXSTRING_BEG tSTRING_DVAR tLAMBEG
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| 133 | %token <node> tHEREDOC_BEG /* <<, <<- */
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| 134 | %token tHEREDOC_END tLITERAL_DELIM tHD_LITERAL_DELIM
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| 135 | %token <node> tHD_STRING_PART tHD_STRING_MID
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| 136 |
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| 137 | /*
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| 138 | * precedence table
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| 139 | */
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| 140 |
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| 141 | %nonassoc tLOWEST
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| 142 | %nonassoc tLBRACE_ARG
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| 143 |
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| 144 | %nonassoc modifier_if modifier_unless modifier_while modifier_until
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| 145 | %left keyword_or keyword_and
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| 146 | %right keyword_not
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| 147 | %right '=' tOP_ASGN
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| 148 | %left modifier_rescue
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| 149 | %right '?' ':'
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| 150 | %nonassoc tDOT2 tDOT3
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| 151 | %left tOROP
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| 152 | %left tANDOP
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| 153 | %nonassoc tCMP tEQ tEQQ tNEQ tMATCH tNMATCH
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| 154 | %left '>' tGEQ '<' tLEQ
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| 155 | %left '|' '^'
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| 156 | %left '&'
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| 157 | %left tLSHFT tRSHFT
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| 158 | %left '+' '-'
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| 159 | %left '*' '/' '%'
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| 160 | %right tUMINUS_NUM tUMINUS
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| 161 | %right tPOW
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| 162 | %right '!' '~' tUPLUS
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| 163 |
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| 164 | %token tLAST_TOKEN
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| 165 |
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| 166 | %%
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| 167 |
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| 168 | %{
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| 169 | }
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| 170 |
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| 171 | /// <summary>
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| 172 | /// start with an argument to trace
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| 173 | /// </summary>
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| 174 | public partial class MrbParser
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| 175 | {
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| 176 | // must specify class header
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| 177 | // must not use yy[A-Z].* as identifiers
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| 178 | // could overwrite some methods named yy[A-Z].* in subclass
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| 179 |
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| 180 | const int yyErrorCode = (int)MrbTokens.yyErrorCode;
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| 181 | %}
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| 182 |
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| 183 | program : {
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| 184 | this.lstate = mrb_lex_state_enum.EXPR_BEG;
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| 185 | if (this.locals == null) this.locals = new locals_node(null);
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| 186 | }
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| 187 | top_compstmt
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| 188 | {
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| 189 | this.tree = new_scope($2);
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| 190 | this.tree.NODE_LINENO($2);
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| 191 | }
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| 192 | ;
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| 193 |
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| 194 | top_compstmt : top_stmts opt_terms
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| 195 | {
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| 196 | $$ = $1;
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| 197 | }
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| 198 | ;
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| 199 |
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| 200 | top_stmts : none
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| 201 | {
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| 202 | $$ = new_begin(null);
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| 203 | }
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| 204 | | top_stmt
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| 205 | {
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| 206 | $$ = new_begin($1);
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| 207 | $<node>$.NODE_LINENO($1);
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| 208 | }
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| 209 | | top_stmts terms top_stmt
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| 210 | {
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| 211 | $$ = push($1, newline_node($3));
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| 212 | }
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| 213 | | error top_stmt
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| 214 | {
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| 215 | $$ = new_begin(null);
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| 216 | }
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| 217 | ;
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| 218 |
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| 219 | top_stmt : stmt
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| 220 | | keyword_BEGIN
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| 221 | {
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| 222 | $$ = local_switch();
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| 223 | }
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| 224 | '{' top_compstmt '}'
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| 225 | {
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| 226 | yyError("BEGIN not supported");
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| 227 | local_resume($<locals_node>2);
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| 228 | $$ = null;
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| 229 | }
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| 230 | ;
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| 231 |
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| 232 | bodystmt : compstmt
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| 233 | opt_rescue
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| 234 | opt_else
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| 235 | opt_ensure
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| 236 | {
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| 237 | if ($2 != null) {
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| 238 | $$ = new_rescue($1, $2, $3);
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| 239 | $<node>$.NODE_LINENO($1);
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| 240 | }
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| 241 | else if ($3 != null) {
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| 242 | yyWarning("else without rescue is useless");
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| 243 | $$ = push($1, $3);
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| 244 | }
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| 245 | else {
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| 246 | $$ = $1;
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| 247 | }
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| 248 | if ($4 != null) {
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| 249 | if ($$ != null) {
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| 250 | $$ = new_ensure($<node>$, $4);
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| 251 | }
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| 252 | else {
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| 253 | $$ = push($4, new_nil());
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| 254 | }
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| 255 | }
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| 256 | }
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| 257 | ;
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| 258 |
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| 259 | compstmt : stmts opt_terms
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| 260 | {
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| 261 | $$ = $1;
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| 262 | }
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| 263 | ;
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| 264 |
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| 265 | stmts : none
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| 266 | {
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| 267 | $$ = new_begin(null);
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| 268 | }
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| 269 | | stmt
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| 270 | {
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| 271 | $$ = new_begin($1);
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| 272 | $<node>$.NODE_LINENO($1);
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| 273 | }
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| 274 | | stmts terms stmt
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| 275 | {
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| 276 | $$ = push($1, newline_node($3));
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| 277 | }
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| 278 | | error stmt
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| 279 | {
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| 280 | $$ = new_begin($2);
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| 281 | }
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| 282 | ;
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| 283 |
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| 284 | stmt : keyword_alias fsym {this.lstate = mrb_lex_state_enum.EXPR_FNAME;} fsym
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| 285 | {
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| 286 | $$ = new_alias($2, $4);
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| 287 | }
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| 288 | | keyword_undef undef_list
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| 289 | {
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| 290 | $$ = $2;
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| 291 | }
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| 292 | | stmt modifier_if expr_value
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| 293 | {
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| 294 | $$ = new_if(cond($3), $1, null);
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| 295 | }
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| 296 | | stmt modifier_unless expr_value
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| 297 | {
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| 298 | $$ = new_unless(cond($3), $1, null);
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| 299 | }
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| 300 | | stmt modifier_while expr_value
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| 301 | {
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| 302 | $$ = new_while(cond($3), $1);
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| 303 | }
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| 304 | | stmt modifier_until expr_value
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| 305 | {
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| 306 | $$ = new_until(cond($3), $1);
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| 307 | }
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| 308 | | stmt modifier_rescue stmt
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| 309 | {
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| 310 | $$ = new_mod_rescue($1, $3);
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| 311 | }
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| 312 | | keyword_END '{' compstmt '}'
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| 313 | {
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| 314 | yyError("END not supported");
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| 315 | $$ = new_postexe($3);
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| 316 | }
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| 317 | | command_asgn
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| 318 | | mlhs '=' command_call
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| 319 | {
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| 320 | $$ = new_masgn($1, $3);
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| 321 | }
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| 322 | | lhs '=' mrhs
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| 323 | {
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| 324 | $$ = new_asgn($1, new_array($3));
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| 325 | }
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| 326 | | mlhs '=' arg
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| 327 | {
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| 328 | $$ = new_masgn($1, $3);
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| 329 | }
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| 330 | | mlhs '=' mrhs
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| 331 | {
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| 332 | $$ = new_masgn($1, new_array($3));
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| 333 | }
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| 334 | | expr
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| 335 | ;
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| 336 |
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| 337 | command_asgn : lhs '=' command_rhs
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| 338 | {
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| 339 | $$ = new_asgn($1, $3);
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| 340 | }
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| 341 | | var_lhs tOP_ASGN command_rhs
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| 342 | {
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| 343 | $$ = new_op_asgn($1, $2, $3);
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| 344 | }
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| 345 | | primary_value '[' opt_call_args rbracket tOP_ASGN command_rhs
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| 346 | {
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| 347 | $$ = new_op_asgn(new_call($1, intern("[]",2), $3, (MrbTokens)'.'), $5, $6);
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| 348 | }
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| 349 | | primary_value call_op tIDENTIFIER tOP_ASGN command_rhs
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| 350 | {
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| 351 | $$ = new_op_asgn(new_call($1, $3, null, $2), $4, $5);
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| 352 | }
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| 353 | | primary_value call_op tCONSTANT tOP_ASGN command_rhs
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| 354 | {
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| 355 | $$ = new_op_asgn(new_call($1, $3, null, $2), $4, $5);
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| 356 | }
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| 357 | | primary_value tCOLON2 tCONSTANT tOP_ASGN command_call
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| 358 | {
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| 359 | yyError("constant re-assignment");
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| 360 | $$ = null;
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| 361 | }
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| 362 | | primary_value tCOLON2 tIDENTIFIER tOP_ASGN command_rhs
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| 363 | {
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| 364 | $$ = new_op_asgn(new_call($1, $3, null, MrbTokens.tCOLON2), $4, $5);
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| 365 | }
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| 366 | | backref tOP_ASGN command_rhs
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| 367 | {
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| 368 | backref_error($1);
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| 369 | $$ = new_begin(null);
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| 370 | }
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| 371 | ;
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| 372 |
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| 373 | command_rhs : command_call %prec tOP_ASGN
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| 374 | | command_call modifier_rescue stmt
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| 375 | {
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| 376 | $$ = new_mod_rescue($1, $3);
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| 377 | }
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| 378 | | command_asgn
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| 379 | ;
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| 380 |
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| 381 |
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| 382 | expr : command_call
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| 383 | | expr keyword_and expr
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| 384 | {
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| 385 | $$ = new_and($1, $3);
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| 386 | }
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| 387 | | expr keyword_or expr
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| 388 | {
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| 389 | $$ = new_or($1, $3);
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| 390 | }
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| 391 | | keyword_not opt_nl expr
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| 392 | {
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| 393 | $$ = call_uni_op(cond($3), "!");
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| 394 | }
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| 395 | | '!' command_call
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| 396 | {
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| 397 | $$ = call_uni_op(cond($2), "!");
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| 398 | }
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| 399 | | arg
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| 400 | ;
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| 401 |
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| 402 | expr_value : expr
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| 403 | {
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| 404 | if ($1 == null) $$ = new_nil();
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| 405 | else{
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| 406 | $$ = $1;
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| 407 | }
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| 408 | }
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| 409 | ;
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| 410 |
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| 411 | command_call : command
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| 412 | | block_command
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| 413 | ;
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| 414 |
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| 415 | block_command : block_call
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| 416 | | block_call call_op2 operation2 command_args
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[430] | 417 | {
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| 418 | $$ = new_call($1, $3, $4, $2);
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| 419 | }
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[321] | 420 | ;
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| 421 |
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| 422 | cmd_brace_block : tLBRACE_ARG
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| 423 | {
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| 424 | local_nest();
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| 425 | }
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| 426 | opt_block_param
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| 427 | compstmt
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| 428 | '}'
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| 429 | {
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| 430 | $$ = new_block($3, $4, true);
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| 431 | local_unnest();
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| 432 | }
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| 433 | ;
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| 434 |
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| 435 | command : operation command_args %prec tLOWEST
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| 436 | {
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| 437 | $$ = new_fcall($1, $2);
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| 438 | }
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| 439 | | operation command_args cmd_brace_block
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| 440 | {
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| 441 | args_with_block($2, $3);
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| 442 | $$ = new_fcall($1, $2);
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| 443 | }
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| 444 | | primary_value call_op operation2 command_args %prec tLOWEST
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| 445 | {
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| 446 | $$ = new_call($1, $3, $4, $2);
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| 447 | }
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| 448 | | primary_value call_op operation2 command_args cmd_brace_block
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| 449 | {
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| 450 | args_with_block($4, $5);
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| 451 | $$ = new_call($1, $3, $4, $2);
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| 452 | }
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| 453 | | primary_value tCOLON2 operation2 command_args %prec tLOWEST
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| 454 | {
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| 455 | $$ = new_call($1, $3, $4, MrbTokens.tCOLON2);
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| 456 | }
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| 457 | | primary_value tCOLON2 operation2 command_args cmd_brace_block
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| 458 | {
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| 459 | args_with_block($4, $5);
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| 460 | $$ = new_call($1, $3, $4, MrbTokens.tCOLON2);
|
---|
| 461 | }
|
---|
| 462 | | keyword_super command_args
|
---|
| 463 | {
|
---|
| 464 | $$ = new_super($2);
|
---|
| 465 | }
|
---|
| 466 | | keyword_yield command_args
|
---|
| 467 | {
|
---|
| 468 | $$ = new_yield($2);
|
---|
| 469 | }
|
---|
| 470 | | keyword_return call_args
|
---|
| 471 | {
|
---|
| 472 | $$ = new_return(ret_args($2));
|
---|
| 473 | }
|
---|
| 474 | | keyword_break call_args
|
---|
| 475 | {
|
---|
| 476 | $$ = new_break(ret_args($2));
|
---|
| 477 | }
|
---|
| 478 | | keyword_next call_args
|
---|
| 479 | {
|
---|
| 480 | $$ = new_next(ret_args($2));
|
---|
| 481 | }
|
---|
| 482 | ;
|
---|
| 483 |
|
---|
| 484 | mlhs : mlhs_basic
|
---|
| 485 | {
|
---|
| 486 | $$ = $1;
|
---|
| 487 | }
|
---|
| 488 | | tLPAREN mlhs_inner rparen
|
---|
| 489 | {
|
---|
| 490 | $$ = $2;
|
---|
| 491 | }
|
---|
| 492 | ;
|
---|
| 493 |
|
---|
| 494 | mlhs_inner : mlhs_basic
|
---|
| 495 | | tLPAREN mlhs_inner rparen
|
---|
| 496 | {
|
---|
| 497 | $$ = $2;
|
---|
| 498 | }
|
---|
| 499 | ;
|
---|
| 500 |
|
---|
| 501 | mlhs_basic : mlhs_list
|
---|
| 502 | {
|
---|
| 503 | $$ = list1($1);
|
---|
| 504 | }
|
---|
| 505 | | mlhs_list mlhs_item
|
---|
| 506 | {
|
---|
| 507 | $$ = list1(push($1, $2));
|
---|
| 508 | }
|
---|
| 509 | | mlhs_list tSTAR mlhs_node
|
---|
| 510 | {
|
---|
| 511 | $$ = list2($1, $3);
|
---|
| 512 | }
|
---|
| 513 | | mlhs_list tSTAR mlhs_node ',' mlhs_post
|
---|
| 514 | {
|
---|
| 515 | $$ = list3($1, $3, $5);
|
---|
| 516 | }
|
---|
| 517 | | mlhs_list tSTAR
|
---|
| 518 | {
|
---|
| 519 | $$ = list2($1, new_nil());
|
---|
| 520 | }
|
---|
| 521 | | mlhs_list tSTAR ',' mlhs_post
|
---|
| 522 | {
|
---|
| 523 | $$ = list3($1, new_nil(), $4);
|
---|
| 524 | }
|
---|
| 525 | | tSTAR mlhs_node
|
---|
| 526 | {
|
---|
| 527 | $$ = list2(null, $2);
|
---|
| 528 | }
|
---|
| 529 | | tSTAR mlhs_node ',' mlhs_post
|
---|
| 530 | {
|
---|
| 531 | $$ = list3(null, $2, $4);
|
---|
| 532 | }
|
---|
| 533 | | tSTAR
|
---|
| 534 | {
|
---|
| 535 | $$ = list2(null, new_nil());
|
---|
| 536 | }
|
---|
| 537 | | tSTAR ',' mlhs_post
|
---|
| 538 | {
|
---|
| 539 | $$ = list3(null, new_nil(), $3);
|
---|
| 540 | }
|
---|
| 541 | ;
|
---|
| 542 |
|
---|
| 543 | mlhs_item : mlhs_node
|
---|
| 544 | | tLPAREN mlhs_inner rparen
|
---|
| 545 | {
|
---|
| 546 | $$ = new_masgn($2, null);
|
---|
| 547 | }
|
---|
| 548 | ;
|
---|
| 549 |
|
---|
| 550 | mlhs_list : mlhs_item ','
|
---|
| 551 | {
|
---|
| 552 | $$ = list1($1);
|
---|
| 553 | }
|
---|
| 554 | | mlhs_list mlhs_item ','
|
---|
| 555 | {
|
---|
| 556 | $$ = push($1, $2);
|
---|
| 557 | }
|
---|
| 558 | ;
|
---|
| 559 |
|
---|
| 560 | mlhs_post : mlhs_item
|
---|
| 561 | {
|
---|
| 562 | $$ = list1($1);
|
---|
| 563 | }
|
---|
| 564 | | mlhs_list mlhs_item
|
---|
| 565 | {
|
---|
| 566 | $$ = push($1, $2);
|
---|
| 567 | }
|
---|
| 568 | ;
|
---|
| 569 |
|
---|
| 570 | mlhs_node : variable
|
---|
| 571 | {
|
---|
| 572 | assignable($1);
|
---|
| 573 | }
|
---|
| 574 | | primary_value '[' opt_call_args rbracket
|
---|
| 575 | {
|
---|
| 576 | $$ = new_call($1, intern("[]",2), $3, (MrbTokens)'.');
|
---|
| 577 | }
|
---|
| 578 | | primary_value call_op tIDENTIFIER
|
---|
| 579 | {
|
---|
| 580 | $$ = new_call($1, $3, null, $2);
|
---|
| 581 | }
|
---|
| 582 | | primary_value tCOLON2 tIDENTIFIER
|
---|
| 583 | {
|
---|
| 584 | $$ = new_call($1, $3, null, MrbTokens.tCOLON2);
|
---|
| 585 | }
|
---|
| 586 | | primary_value call_op tCONSTANT
|
---|
| 587 | {
|
---|
| 588 | $$ = new_call($1, $3, null, $2);
|
---|
| 589 | }
|
---|
| 590 | | primary_value tCOLON2 tCONSTANT
|
---|
| 591 | {
|
---|
| 592 | if (this.in_def != 0 || this.in_single != 0)
|
---|
| 593 | yyError("dynamic constant assignment");
|
---|
| 594 | $$ = new_colon2($1, $3);
|
---|
| 595 | }
|
---|
| 596 | | tCOLON3 tCONSTANT
|
---|
| 597 | {
|
---|
| 598 | if (this.in_def != 0 || this.in_single != 0)
|
---|
| 599 | yyError("dynamic constant assignment");
|
---|
| 600 | $$ = new_colon3($2);
|
---|
| 601 | }
|
---|
| 602 | | backref
|
---|
| 603 | {
|
---|
| 604 | backref_error($1);
|
---|
| 605 | $$ = null;
|
---|
| 606 | }
|
---|
| 607 | ;
|
---|
| 608 |
|
---|
| 609 | lhs : variable
|
---|
| 610 | {
|
---|
| 611 | assignable($1);
|
---|
| 612 | }
|
---|
| 613 | | primary_value '[' opt_call_args rbracket
|
---|
| 614 | {
|
---|
| 615 | $$ = new_call($1, intern("[]",2), $3, (MrbTokens)'.');
|
---|
| 616 | }
|
---|
| 617 | | primary_value call_op tIDENTIFIER
|
---|
| 618 | {
|
---|
| 619 | $$ = new_call($1, $3, null, $2);
|
---|
| 620 | }
|
---|
| 621 | | primary_value tCOLON2 tIDENTIFIER
|
---|
| 622 | {
|
---|
| 623 | $$ = new_call($1, $3, null, MrbTokens.tCOLON2);
|
---|
| 624 | }
|
---|
| 625 | | primary_value call_op tCONSTANT
|
---|
| 626 | {
|
---|
| 627 | $$ = new_call($1, $3, null, $2);
|
---|
| 628 | }
|
---|
| 629 | | primary_value tCOLON2 tCONSTANT
|
---|
| 630 | {
|
---|
| 631 | if (this.in_def != 0 || this.in_single != 0)
|
---|
| 632 | yyError("dynamic constant assignment");
|
---|
| 633 | $$ = new_colon2($1, $3);
|
---|
| 634 | }
|
---|
| 635 | | tCOLON3 tCONSTANT
|
---|
| 636 | {
|
---|
| 637 | if (this.in_def != 0 || this.in_single != 0)
|
---|
| 638 | yyError("dynamic constant assignment");
|
---|
| 639 | $$ = new_colon3($2);
|
---|
| 640 | }
|
---|
| 641 | | backref
|
---|
| 642 | {
|
---|
| 643 | backref_error($1);
|
---|
| 644 | $$ = null;
|
---|
| 645 | }
|
---|
| 646 | ;
|
---|
| 647 |
|
---|
| 648 | cname : tIDENTIFIER
|
---|
| 649 | {
|
---|
| 650 | yyError("class/module name must be CONSTANT");
|
---|
| 651 | }
|
---|
| 652 | | tCONSTANT
|
---|
| 653 | ;
|
---|
| 654 |
|
---|
| 655 | cpath : tCOLON3 cname
|
---|
| 656 | {
|
---|
| 657 | $$ = cons(1, $2);
|
---|
| 658 | }
|
---|
| 659 | | cname
|
---|
| 660 | {
|
---|
| 661 | $$ = cons(0, $1);
|
---|
| 662 | }
|
---|
| 663 | | primary_value tCOLON2 cname
|
---|
| 664 | {
|
---|
[430] | 665 | void_expr_error($1);
|
---|
[321] | 666 | $$ = cons($1, $3);
|
---|
| 667 | }
|
---|
| 668 | ;
|
---|
| 669 |
|
---|
| 670 | fname : tIDENTIFIER
|
---|
| 671 | | tCONSTANT
|
---|
| 672 | | tFID
|
---|
| 673 | | op
|
---|
| 674 | {
|
---|
| 675 | this.lstate = mrb_lex_state_enum.EXPR_ENDFN;
|
---|
| 676 | $$ = $1;
|
---|
| 677 | }
|
---|
| 678 | | reswords
|
---|
| 679 | {
|
---|
| 680 | this.lstate = mrb_lex_state_enum.EXPR_ENDFN;
|
---|
| 681 | $$ = $<mrb_sym>1;
|
---|
| 682 | }
|
---|
| 683 | ;
|
---|
| 684 |
|
---|
| 685 | fsym : fname
|
---|
| 686 | | basic_symbol
|
---|
| 687 | ;
|
---|
| 688 |
|
---|
| 689 | undef_list : fsym
|
---|
| 690 | {
|
---|
| 691 | $$ = new_undef($1);
|
---|
| 692 | }
|
---|
| 693 | | undef_list ',' {this.lstate = mrb_lex_state_enum.EXPR_FNAME;} fsym
|
---|
| 694 | {
|
---|
| 695 | $$ = push($1, $4);
|
---|
| 696 | }
|
---|
| 697 | ;
|
---|
| 698 |
|
---|
| 699 | op : '|' { $$ = intern_c('|'); }
|
---|
| 700 | | '^' { $$ = intern_c('^'); }
|
---|
| 701 | | '&' { $$ = intern_c('&'); }
|
---|
| 702 | | tCMP { $$ = intern("<=>",3); }
|
---|
| 703 | | tEQ { $$ = intern("==",2); }
|
---|
| 704 | | tEQQ { $$ = intern("===",3); }
|
---|
| 705 | | tMATCH { $$ = intern("=~",2); }
|
---|
| 706 | | tNMATCH { $$ = intern("!~",2); }
|
---|
| 707 | | '>' { $$ = intern_c('>'); }
|
---|
| 708 | | tGEQ { $$ = intern(">=",2); }
|
---|
| 709 | | '<' { $$ = intern_c('<'); }
|
---|
| 710 | | tLEQ { $$ = intern("<=",2); }
|
---|
| 711 | | tNEQ { $$ = intern("!=",2); }
|
---|
| 712 | | tLSHFT { $$ = intern("<<",2); }
|
---|
| 713 | | tRSHFT { $$ = intern(">>",2); }
|
---|
| 714 | | '+' { $$ = intern_c('+'); }
|
---|
| 715 | | '-' { $$ = intern_c('-'); }
|
---|
| 716 | | '*' { $$ = intern_c('*'); }
|
---|
| 717 | | tSTAR { $$ = intern_c('*'); }
|
---|
| 718 | | '/' { $$ = intern_c('/'); }
|
---|
| 719 | | '%' { $$ = intern_c('%'); }
|
---|
| 720 | | tPOW { $$ = intern("**",2); }
|
---|
| 721 | | '!' { $$ = intern_c('!'); }
|
---|
| 722 | | '~' { $$ = intern_c('~'); }
|
---|
| 723 | | tUPLUS { $$ = intern("+@",2); }
|
---|
| 724 | | tUMINUS { $$ = intern("-@",2); }
|
---|
| 725 | | tAREF { $$ = intern("[]",2); }
|
---|
| 726 | | tASET { $$ = intern("[]=",3); }
|
---|
| 727 | | '`' { $$ = intern_c('`'); }
|
---|
| 728 | ;
|
---|
| 729 |
|
---|
| 730 | reswords : keyword__LINE__ | keyword__FILE__ | keyword__ENCODING__
|
---|
| 731 | | keyword_BEGIN | keyword_END
|
---|
| 732 | | keyword_alias | keyword_and | keyword_begin
|
---|
| 733 | | keyword_break | keyword_case | keyword_class | keyword_def
|
---|
| 734 | | keyword_do | keyword_else | keyword_elsif
|
---|
| 735 | | keyword_end | keyword_ensure | keyword_false
|
---|
| 736 | | keyword_for | keyword_in | keyword_module | keyword_next
|
---|
| 737 | | keyword_nil | keyword_not | keyword_or | keyword_redo
|
---|
| 738 | | keyword_rescue | keyword_retry | keyword_return | keyword_self
|
---|
| 739 | | keyword_super | keyword_then | keyword_true | keyword_undef
|
---|
| 740 | | keyword_when | keyword_yield | keyword_if | keyword_unless
|
---|
| 741 | | keyword_while | keyword_until
|
---|
| 742 | ;
|
---|
| 743 |
|
---|
| 744 | arg : lhs '=' arg_rhs
|
---|
| 745 | {
|
---|
| 746 | $$ = new_asgn($1, $3);
|
---|
| 747 | }
|
---|
| 748 | | var_lhs tOP_ASGN arg_rhs
|
---|
| 749 | {
|
---|
| 750 | $$ = new_op_asgn($1, $2, $3);
|
---|
| 751 | }
|
---|
| 752 | | primary_value '[' opt_call_args rbracket tOP_ASGN arg_rhs
|
---|
| 753 | {
|
---|
| 754 | $$ = new_op_asgn(new_call($1, intern("[]",2), $3, (MrbTokens)'.'), $5, $6);
|
---|
| 755 | }
|
---|
| 756 | | primary_value call_op tIDENTIFIER tOP_ASGN arg_rhs
|
---|
| 757 | {
|
---|
| 758 | $$ = new_op_asgn(new_call($1, $3, null, $2), $4, $5);
|
---|
| 759 | }
|
---|
| 760 | | primary_value call_op tCONSTANT tOP_ASGN arg_rhs
|
---|
| 761 | {
|
---|
| 762 | $$ = new_op_asgn(new_call($1, $3, null, $2), $4, $5);
|
---|
| 763 | }
|
---|
| 764 | | primary_value tCOLON2 tIDENTIFIER tOP_ASGN arg_rhs
|
---|
| 765 | {
|
---|
| 766 | $$ = new_op_asgn(new_call($1, $3, null, MrbTokens.tCOLON2), $4, $5);
|
---|
| 767 | }
|
---|
| 768 | | primary_value tCOLON2 tCONSTANT tOP_ASGN arg_rhs
|
---|
| 769 | {
|
---|
| 770 | yyError("constant re-assignment");
|
---|
| 771 | $$ = new_begin(null);
|
---|
| 772 | }
|
---|
| 773 | | tCOLON3 tCONSTANT tOP_ASGN arg_rhs
|
---|
| 774 | {
|
---|
| 775 | yyError("constant re-assignment");
|
---|
| 776 | $$ = new_begin(null);
|
---|
| 777 | }
|
---|
| 778 | | backref tOP_ASGN arg_rhs
|
---|
| 779 | {
|
---|
| 780 | backref_error($1);
|
---|
| 781 | $$ = new_begin(null);
|
---|
| 782 | }
|
---|
| 783 | | arg tDOT2 arg
|
---|
| 784 | {
|
---|
| 785 | $$ = new_dot2($1, $3);
|
---|
| 786 | }
|
---|
| 787 | | arg tDOT3 arg
|
---|
| 788 | {
|
---|
| 789 | $$ = new_dot3($1, $3);
|
---|
| 790 | }
|
---|
| 791 | | arg '+' arg
|
---|
| 792 | {
|
---|
| 793 | $$ = call_bin_op($1, "+", $3);
|
---|
| 794 | }
|
---|
| 795 | | arg '-' arg
|
---|
| 796 | {
|
---|
| 797 | $$ = call_bin_op($1, "-", $3);
|
---|
| 798 | }
|
---|
| 799 | | arg '*' arg
|
---|
| 800 | {
|
---|
| 801 | $$ = call_bin_op($1, "*", $3);
|
---|
| 802 | }
|
---|
| 803 | | arg '/' arg
|
---|
| 804 | {
|
---|
| 805 | $$ = call_bin_op($1, "/", $3);
|
---|
| 806 | }
|
---|
| 807 | | arg '%' arg
|
---|
| 808 | {
|
---|
| 809 | $$ = call_bin_op($1, "%", $3);
|
---|
| 810 | }
|
---|
| 811 | | arg tPOW arg
|
---|
| 812 | {
|
---|
| 813 | $$ = call_bin_op($1, "**", $3);
|
---|
| 814 | }
|
---|
| 815 | | tUMINUS_NUM tINTEGER tPOW arg
|
---|
| 816 | {
|
---|
| 817 | $$ = call_uni_op(call_bin_op($2, "**", $4), "-@");
|
---|
| 818 | }
|
---|
| 819 | | tUMINUS_NUM tFLOAT tPOW arg
|
---|
| 820 | {
|
---|
| 821 | $$ = call_uni_op(call_bin_op($2, "**", $4), "-@");
|
---|
| 822 | }
|
---|
| 823 | | tUPLUS arg
|
---|
| 824 | {
|
---|
| 825 | $$ = call_uni_op($2, "+@");
|
---|
| 826 | }
|
---|
| 827 | | tUMINUS arg
|
---|
| 828 | {
|
---|
| 829 | $$ = call_uni_op($2, "-@");
|
---|
| 830 | }
|
---|
| 831 | | arg '|' arg
|
---|
| 832 | {
|
---|
| 833 | $$ = call_bin_op($1, "|", $3);
|
---|
| 834 | }
|
---|
| 835 | | arg '^' arg
|
---|
| 836 | {
|
---|
| 837 | $$ = call_bin_op($1, "^", $3);
|
---|
| 838 | }
|
---|
| 839 | | arg '&' arg
|
---|
| 840 | {
|
---|
| 841 | $$ = call_bin_op($1, "&", $3);
|
---|
| 842 | }
|
---|
| 843 | | arg tCMP arg
|
---|
| 844 | {
|
---|
| 845 | $$ = call_bin_op($1, "<=>", $3);
|
---|
| 846 | }
|
---|
| 847 | | arg '>' arg
|
---|
| 848 | {
|
---|
| 849 | $$ = call_bin_op($1, ">", $3);
|
---|
| 850 | }
|
---|
| 851 | | arg tGEQ arg
|
---|
| 852 | {
|
---|
| 853 | $$ = call_bin_op($1, ">=", $3);
|
---|
| 854 | }
|
---|
| 855 | | arg '<' arg
|
---|
| 856 | {
|
---|
| 857 | $$ = call_bin_op($1, "<", $3);
|
---|
| 858 | }
|
---|
| 859 | | arg tLEQ arg
|
---|
| 860 | {
|
---|
| 861 | $$ = call_bin_op($1, "<=", $3);
|
---|
| 862 | }
|
---|
| 863 | | arg tEQ arg
|
---|
| 864 | {
|
---|
| 865 | $$ = call_bin_op($1, "==", $3);
|
---|
| 866 | }
|
---|
| 867 | | arg tEQQ arg
|
---|
| 868 | {
|
---|
| 869 | $$ = call_bin_op($1, "===", $3);
|
---|
| 870 | }
|
---|
| 871 | | arg tNEQ arg
|
---|
| 872 | {
|
---|
| 873 | $$ = call_bin_op($1, "!=", $3);
|
---|
| 874 | }
|
---|
| 875 | | arg tMATCH arg
|
---|
| 876 | {
|
---|
| 877 | $$ = call_bin_op($1, "=~", $3);
|
---|
| 878 | }
|
---|
| 879 | | arg tNMATCH arg
|
---|
| 880 | {
|
---|
| 881 | $$ = call_bin_op($1, "!~", $3);
|
---|
| 882 | }
|
---|
| 883 | | '!' arg
|
---|
| 884 | {
|
---|
| 885 | $$ = call_uni_op(cond($2), "!");
|
---|
| 886 | }
|
---|
| 887 | | '~' arg
|
---|
| 888 | {
|
---|
| 889 | $$ = call_uni_op(cond($2), "~");
|
---|
| 890 | }
|
---|
| 891 | | arg tLSHFT arg
|
---|
| 892 | {
|
---|
| 893 | $$ = call_bin_op($1, "<<", $3);
|
---|
| 894 | }
|
---|
| 895 | | arg tRSHFT arg
|
---|
| 896 | {
|
---|
| 897 | $$ = call_bin_op($1, ">>", $3);
|
---|
| 898 | }
|
---|
| 899 | | arg tANDOP arg
|
---|
| 900 | {
|
---|
| 901 | $$ = new_and($1, $3);
|
---|
| 902 | }
|
---|
| 903 | | arg tOROP arg
|
---|
| 904 | {
|
---|
| 905 | $$ = new_or($1, $3);
|
---|
| 906 | }
|
---|
| 907 | | arg '?' arg opt_nl ':' arg
|
---|
| 908 | {
|
---|
| 909 | $$ = new_if(cond($1), $3, $6, true);
|
---|
| 910 | }
|
---|
| 911 | | primary
|
---|
| 912 | {
|
---|
| 913 | $$ = $1;
|
---|
| 914 | }
|
---|
| 915 | ;
|
---|
| 916 |
|
---|
| 917 | aref_args : none
|
---|
| 918 | | args trailer
|
---|
| 919 | {
|
---|
| 920 | $$ = $1;
|
---|
| 921 | $<node>$.NODE_LINENO($1);
|
---|
| 922 | }
|
---|
| 923 | | args comma assocs trailer
|
---|
| 924 | {
|
---|
| 925 | $$ = push($1, new_hash($3));
|
---|
| 926 | }
|
---|
| 927 | | assocs trailer
|
---|
| 928 | {
|
---|
| 929 | $$ = cons(new_hash($1), null);
|
---|
| 930 | $<node>$.NODE_LINENO($1);
|
---|
| 931 | }
|
---|
| 932 | ;
|
---|
| 933 |
|
---|
| 934 | arg_rhs : arg %prec tOP_ASGN
|
---|
| 935 | {
|
---|
| 936 | $$ = $1;
|
---|
| 937 | }
|
---|
| 938 | | arg modifier_rescue arg
|
---|
| 939 | {
|
---|
| 940 | void_expr_error($1);
|
---|
[430] | 941 | void_expr_error($3);
|
---|
[321] | 942 | $$ = new_mod_rescue($1, $3);
|
---|
| 943 | }
|
---|
| 944 | ;
|
---|
| 945 |
|
---|
| 946 | paren_args : '(' opt_call_args rparen
|
---|
| 947 | {
|
---|
| 948 | $$ = $2;
|
---|
| 949 | }
|
---|
| 950 | ;
|
---|
| 951 |
|
---|
| 952 | opt_paren_args : none
|
---|
| 953 | | paren_args
|
---|
| 954 | ;
|
---|
| 955 |
|
---|
| 956 | opt_call_args : none
|
---|
| 957 | | call_args
|
---|
| 958 | | args ','
|
---|
| 959 | {
|
---|
| 960 | $$ = cons($1, null);
|
---|
| 961 | $<node>$.NODE_LINENO($1);
|
---|
| 962 | }
|
---|
| 963 | | args comma assocs ','
|
---|
| 964 | {
|
---|
| 965 | $$ = cons(push($1, new_hash($3)), null);
|
---|
| 966 | $<node>$.NODE_LINENO($1);
|
---|
| 967 | }
|
---|
| 968 | | assocs ','
|
---|
| 969 | {
|
---|
| 970 | $$ = cons(list1(new_hash($1)), null);
|
---|
| 971 | $<node>$.NODE_LINENO($1);
|
---|
| 972 | }
|
---|
| 973 | ;
|
---|
| 974 |
|
---|
| 975 | call_args : command
|
---|
| 976 | {
|
---|
[430] | 977 | void_expr_error($1);
|
---|
[321] | 978 | $$ = cons(list1($1), null);
|
---|
| 979 | $<node>$.NODE_LINENO($1);
|
---|
| 980 | }
|
---|
| 981 | | args opt_block_arg
|
---|
| 982 | {
|
---|
| 983 | $$ = cons($1, $2);
|
---|
| 984 | $<node>$.NODE_LINENO($1);
|
---|
| 985 | }
|
---|
| 986 | | assocs opt_block_arg
|
---|
| 987 | {
|
---|
| 988 | $$ = cons(list1(new_hash($1)), $2);
|
---|
| 989 | $<node>$.NODE_LINENO($1);
|
---|
| 990 | }
|
---|
| 991 | | args comma assocs opt_block_arg
|
---|
| 992 | {
|
---|
| 993 | $$ = cons(push($1, new_hash($3)), $4);
|
---|
| 994 | $<node>$.NODE_LINENO($1);
|
---|
| 995 | }
|
---|
| 996 | | block_arg
|
---|
| 997 | {
|
---|
| 998 | $$ = cons(null, $1);
|
---|
| 999 | $<node>$.NODE_LINENO($1);
|
---|
| 1000 | }
|
---|
| 1001 | ;
|
---|
| 1002 |
|
---|
| 1003 | command_args : {
|
---|
| 1004 | $$ = (stack_type)this.cmdarg_stack;
|
---|
| 1005 | CMDARG_PUSH(1);
|
---|
| 1006 | }
|
---|
| 1007 | call_args
|
---|
| 1008 | {
|
---|
| 1009 | this.cmdarg_stack = $<stack_type>1;
|
---|
| 1010 | $$ = $2;
|
---|
| 1011 | }
|
---|
| 1012 | ;
|
---|
| 1013 |
|
---|
| 1014 | block_arg : tAMPER arg
|
---|
| 1015 | {
|
---|
| 1016 | $$ = new_block_arg((node)$2);
|
---|
| 1017 | }
|
---|
| 1018 | ;
|
---|
| 1019 |
|
---|
| 1020 | opt_block_arg : comma block_arg
|
---|
| 1021 | {
|
---|
| 1022 | $$ = $2;
|
---|
| 1023 | }
|
---|
| 1024 | | none
|
---|
| 1025 | {
|
---|
| 1026 | $$ = null;
|
---|
| 1027 | }
|
---|
| 1028 | ;
|
---|
| 1029 |
|
---|
| 1030 | comma : ','
|
---|
| 1031 | | ',' heredoc_bodies
|
---|
| 1032 | ;
|
---|
| 1033 |
|
---|
| 1034 | args : arg
|
---|
| 1035 | {
|
---|
| 1036 | void_expr_error($1);
|
---|
| 1037 | $$ = cons($1, null);
|
---|
| 1038 | $<node>$.NODE_LINENO($1);
|
---|
| 1039 | }
|
---|
| 1040 | | tSTAR arg
|
---|
| 1041 | {
|
---|
| 1042 | void_expr_error($2);
|
---|
| 1043 | $$ = cons(new_splat($2), null);
|
---|
| 1044 | $<node>$.NODE_LINENO($2);
|
---|
| 1045 | }
|
---|
| 1046 | | args comma arg
|
---|
| 1047 | {
|
---|
| 1048 | void_expr_error($3);
|
---|
| 1049 | $$ = push($1, $3);
|
---|
| 1050 | }
|
---|
| 1051 | | args comma tSTAR arg
|
---|
| 1052 | {
|
---|
| 1053 | void_expr_error($4);
|
---|
| 1054 | $$ = push($1, new_splat($4));
|
---|
| 1055 | }
|
---|
| 1056 | ;
|
---|
| 1057 |
|
---|
| 1058 | mrhs : args comma arg
|
---|
| 1059 | {
|
---|
| 1060 | void_expr_error($3);
|
---|
| 1061 | $$ = push($1, $3);
|
---|
| 1062 | }
|
---|
| 1063 | | args comma tSTAR arg
|
---|
| 1064 | {
|
---|
| 1065 | void_expr_error($4);
|
---|
| 1066 | $$ = push($1, new_splat($4));
|
---|
| 1067 | }
|
---|
| 1068 | | tSTAR arg
|
---|
| 1069 | {
|
---|
| 1070 | void_expr_error($2);
|
---|
| 1071 | $$ = list1(new_splat($2));
|
---|
| 1072 | }
|
---|
| 1073 | ;
|
---|
| 1074 |
|
---|
| 1075 | primary : literal
|
---|
| 1076 | | string
|
---|
| 1077 | | xstring
|
---|
| 1078 | | regexp
|
---|
| 1079 | | heredoc
|
---|
| 1080 | | var_ref
|
---|
| 1081 | | backref
|
---|
| 1082 | | tFID
|
---|
| 1083 | {
|
---|
| 1084 | $$ = new_fcall($1, null);
|
---|
| 1085 | }
|
---|
| 1086 | | keyword_begin
|
---|
| 1087 | {
|
---|
| 1088 | $$ = (stack_type)this.cmdarg_stack;
|
---|
| 1089 | this.cmdarg_stack = 0;
|
---|
| 1090 | }
|
---|
| 1091 | bodystmt
|
---|
| 1092 | keyword_end
|
---|
| 1093 | {
|
---|
| 1094 | this.cmdarg_stack = $<stack_type>2;
|
---|
| 1095 | $$ = $3;
|
---|
| 1096 | }
|
---|
| 1097 | | tLPAREN_ARG
|
---|
| 1098 | {
|
---|
| 1099 | $$ = (stack_type)this.cmdarg_stack;
|
---|
| 1100 | this.cmdarg_stack = 0;
|
---|
| 1101 | }
|
---|
| 1102 | stmt {this.lstate = mrb_lex_state_enum.EXPR_ENDARG;} rparen
|
---|
| 1103 | {
|
---|
| 1104 | this.cmdarg_stack = $<stack_type>2;
|
---|
| 1105 | $$ = $3;
|
---|
| 1106 | }
|
---|
| 1107 | | tLPAREN_ARG {this.lstate = mrb_lex_state_enum.EXPR_ENDARG;} rparen
|
---|
| 1108 | {
|
---|
| 1109 | $$ = new_nil();
|
---|
| 1110 | }
|
---|
| 1111 | | tLPAREN compstmt ')'
|
---|
| 1112 | {
|
---|
| 1113 | $$ = $2;
|
---|
| 1114 | }
|
---|
| 1115 | | primary_value tCOLON2 tCONSTANT
|
---|
| 1116 | {
|
---|
| 1117 | $$ = new_colon2($1, $3);
|
---|
| 1118 | }
|
---|
| 1119 | | tCOLON3 tCONSTANT
|
---|
| 1120 | {
|
---|
| 1121 | $$ = new_colon3($2);
|
---|
| 1122 | }
|
---|
| 1123 | | tLBRACK aref_args ']'
|
---|
| 1124 | {
|
---|
| 1125 | $$ = new_array($2);
|
---|
| 1126 | $<node>$.NODE_LINENO($2);
|
---|
| 1127 | }
|
---|
| 1128 | | tLBRACE assoc_list '}'
|
---|
| 1129 | {
|
---|
| 1130 | $$ = new_hash($2);
|
---|
| 1131 | $<node>$.NODE_LINENO($2);
|
---|
| 1132 | }
|
---|
| 1133 | | keyword_return
|
---|
| 1134 | {
|
---|
| 1135 | $$ = new_return(null);
|
---|
| 1136 | }
|
---|
| 1137 | | keyword_yield opt_paren_args
|
---|
| 1138 | {
|
---|
| 1139 | $$ = new_yield($2);
|
---|
| 1140 | }
|
---|
| 1141 | | keyword_not '(' expr rparen
|
---|
| 1142 | {
|
---|
| 1143 | $$ = call_uni_op(cond($3), "!");
|
---|
| 1144 | }
|
---|
| 1145 | | keyword_not '(' rparen
|
---|
| 1146 | {
|
---|
| 1147 | $$ = call_uni_op(new_nil(), "!");
|
---|
| 1148 | }
|
---|
| 1149 | | operation brace_block
|
---|
| 1150 | {
|
---|
| 1151 | $$ = new_fcall($1, cons(null, $2));
|
---|
| 1152 | }
|
---|
| 1153 | | method_call
|
---|
| 1154 | | method_call brace_block
|
---|
| 1155 | {
|
---|
| 1156 | call_with_block($1, $2);
|
---|
| 1157 | $$ = $1;
|
---|
| 1158 | }
|
---|
| 1159 | | tLAMBDA
|
---|
| 1160 | {
|
---|
| 1161 | local_nest();
|
---|
| 1162 | $$ = (int)this.lpar_beg;
|
---|
| 1163 | this.lpar_beg = ++this.paren_nest;
|
---|
| 1164 | }
|
---|
| 1165 | f_larglist
|
---|
| 1166 | {
|
---|
| 1167 | $$ = (stack_type)this.cmdarg_stack;
|
---|
| 1168 | this.cmdarg_stack = 0;
|
---|
| 1169 | }
|
---|
| 1170 | lambda_body
|
---|
| 1171 | {
|
---|
| 1172 | this.lpar_beg = $<int>2;
|
---|
| 1173 | $$ = new_lambda($3, $5);
|
---|
| 1174 | local_unnest();
|
---|
| 1175 | this.cmdarg_stack = $<stack_type>4;
|
---|
| 1176 | CMDARG_LEXPOP();
|
---|
| 1177 | }
|
---|
| 1178 | | keyword_if expr_value then
|
---|
| 1179 | compstmt
|
---|
| 1180 | if_tail
|
---|
| 1181 | keyword_end
|
---|
| 1182 | {
|
---|
| 1183 | $$ = new_if(cond($2), $4, $5);
|
---|
| 1184 | $<node>$.SET_LINENO($1);
|
---|
| 1185 | }
|
---|
| 1186 | | keyword_unless expr_value then
|
---|
| 1187 | compstmt
|
---|
| 1188 | opt_else
|
---|
| 1189 | keyword_end
|
---|
| 1190 | {
|
---|
| 1191 | $$ = new_unless(cond($2), $4, $5);
|
---|
| 1192 | $<node>$.SET_LINENO($1);
|
---|
| 1193 | }
|
---|
| 1194 | | keyword_while {COND_PUSH(1);} expr_value do {COND_POP();}
|
---|
| 1195 | compstmt
|
---|
| 1196 | keyword_end
|
---|
| 1197 | {
|
---|
| 1198 | $$ = new_while(cond($3), $6);
|
---|
| 1199 | $<node>$.SET_LINENO($1);
|
---|
| 1200 | }
|
---|
| 1201 | | keyword_until {COND_PUSH(1);} expr_value do {COND_POP();}
|
---|
| 1202 | compstmt
|
---|
| 1203 | keyword_end
|
---|
| 1204 | {
|
---|
| 1205 | $$ = new_until(cond($3), $6);
|
---|
| 1206 | $<node>$.SET_LINENO($1);
|
---|
| 1207 | }
|
---|
| 1208 | | keyword_case expr_value opt_terms
|
---|
| 1209 | case_body
|
---|
| 1210 | keyword_end
|
---|
| 1211 | {
|
---|
| 1212 | $$ = new_case($2, $4);
|
---|
| 1213 | }
|
---|
| 1214 | | keyword_case opt_terms case_body keyword_end
|
---|
| 1215 | {
|
---|
| 1216 | $$ = new_case(null, $3);
|
---|
| 1217 | }
|
---|
| 1218 | | keyword_for for_var keyword_in
|
---|
| 1219 | {COND_PUSH(1);}
|
---|
| 1220 | expr_value do
|
---|
| 1221 | {COND_POP();}
|
---|
| 1222 | compstmt
|
---|
| 1223 | keyword_end
|
---|
| 1224 | {
|
---|
| 1225 | $$ = new_for($2, $5, $8);
|
---|
| 1226 | $<node>$.SET_LINENO($1);
|
---|
| 1227 | }
|
---|
| 1228 | | keyword_class
|
---|
| 1229 | cpath superclass
|
---|
| 1230 | {
|
---|
| 1231 | if (this.in_def != 0 || this.in_single != 0)
|
---|
| 1232 | yyError("class definition in method body");
|
---|
| 1233 | $$ = local_switch();
|
---|
| 1234 | }
|
---|
| 1235 | bodystmt
|
---|
| 1236 | keyword_end
|
---|
| 1237 | {
|
---|
| 1238 | $$ = new_class($2, $3, $5);
|
---|
| 1239 | $<node>$.SET_LINENO($1);
|
---|
| 1240 | local_resume($<locals_node>4);
|
---|
| 1241 | }
|
---|
| 1242 | | keyword_class
|
---|
| 1243 | tLSHFT expr
|
---|
| 1244 | {
|
---|
| 1245 | $$ = (int)this.in_def;
|
---|
| 1246 | this.in_def = 0;
|
---|
| 1247 | }
|
---|
| 1248 | term
|
---|
| 1249 | {
|
---|
| 1250 | $$ = cons(local_switch(), this.in_single);
|
---|
| 1251 | this.in_single = 0;
|
---|
| 1252 | }
|
---|
| 1253 | bodystmt
|
---|
| 1254 | keyword_end
|
---|
| 1255 | {
|
---|
| 1256 | $$ = new_sclass($3, $7);
|
---|
| 1257 | $<node>$.SET_LINENO($1);
|
---|
| 1258 | local_resume((locals_node)$<node>6.car);
|
---|
| 1259 | this.in_def = $<int>4;
|
---|
| 1260 | this.in_single = (int)($<node>6.cdr);
|
---|
| 1261 | }
|
---|
| 1262 | | keyword_module
|
---|
| 1263 | cpath
|
---|
| 1264 | {
|
---|
| 1265 | if (this.in_def != 0 || this.in_single != 0)
|
---|
| 1266 | yyError("module definition in method body");
|
---|
| 1267 | $$ = local_switch();
|
---|
| 1268 | }
|
---|
| 1269 | bodystmt
|
---|
| 1270 | keyword_end
|
---|
| 1271 | {
|
---|
| 1272 | $$ = new_module($2, $4);
|
---|
| 1273 | $<node>$.SET_LINENO($1);
|
---|
| 1274 | local_resume($<locals_node>3);
|
---|
| 1275 | }
|
---|
| 1276 | | keyword_def fname
|
---|
| 1277 | {
|
---|
| 1278 | $$ = (stack_type)this.cmdarg_stack;
|
---|
| 1279 | this.cmdarg_stack = 0;
|
---|
| 1280 | }
|
---|
| 1281 | {
|
---|
| 1282 | this.in_def++;
|
---|
| 1283 | $$ = local_switch();
|
---|
| 1284 | }
|
---|
| 1285 | f_arglist
|
---|
| 1286 | bodystmt
|
---|
| 1287 | keyword_end
|
---|
| 1288 | {
|
---|
| 1289 | $$ = new_def($2, $5, $6);
|
---|
| 1290 | $<node>$.SET_LINENO($1);
|
---|
| 1291 | local_resume($<locals_node>4);
|
---|
| 1292 | this.in_def--;
|
---|
| 1293 | this.cmdarg_stack = $<stack_type>3;
|
---|
| 1294 | }
|
---|
| 1295 | | keyword_def singleton dot_or_colon
|
---|
| 1296 | {
|
---|
| 1297 | this.lstate = mrb_lex_state_enum.EXPR_FNAME;
|
---|
| 1298 | $$ = (stack_type)this.cmdarg_stack;
|
---|
| 1299 | this.cmdarg_stack = 0;
|
---|
| 1300 | }
|
---|
| 1301 | fname
|
---|
| 1302 | {
|
---|
| 1303 | this.in_single++;
|
---|
| 1304 | this.lstate = mrb_lex_state_enum.EXPR_ENDFN; /* force for args */
|
---|
| 1305 | $$ = local_switch();
|
---|
| 1306 | }
|
---|
| 1307 | f_arglist
|
---|
| 1308 | bodystmt
|
---|
| 1309 | keyword_end
|
---|
| 1310 | {
|
---|
| 1311 | $$ = new_sdef($2, $5, $7, $8);
|
---|
| 1312 | $<node>$.SET_LINENO($1);
|
---|
| 1313 | local_resume($<locals_node>6);
|
---|
| 1314 | this.in_single--;
|
---|
| 1315 | this.cmdarg_stack = $<stack_type>4;
|
---|
| 1316 | }
|
---|
| 1317 | | keyword_break
|
---|
| 1318 | {
|
---|
| 1319 | $$ = new_break(null);
|
---|
| 1320 | }
|
---|
| 1321 | | keyword_next
|
---|
| 1322 | {
|
---|
| 1323 | $$ = new_next(null);
|
---|
| 1324 | }
|
---|
| 1325 | | keyword_redo
|
---|
| 1326 | {
|
---|
| 1327 | $$ = new_redo();
|
---|
| 1328 | }
|
---|
| 1329 | | keyword_retry
|
---|
| 1330 | {
|
---|
| 1331 | $$ = new_retry();
|
---|
| 1332 | }
|
---|
| 1333 | ;
|
---|
| 1334 |
|
---|
| 1335 | primary_value : primary
|
---|
| 1336 | {
|
---|
| 1337 | $$ = $1;
|
---|
| 1338 | if ($$ == null) $$ = new_nil();
|
---|
| 1339 | }
|
---|
| 1340 | ;
|
---|
| 1341 |
|
---|
| 1342 | then : term
|
---|
| 1343 | | keyword_then
|
---|
| 1344 | | term keyword_then
|
---|
| 1345 | ;
|
---|
| 1346 |
|
---|
| 1347 | do : term
|
---|
| 1348 | | keyword_do_cond
|
---|
| 1349 | ;
|
---|
| 1350 |
|
---|
| 1351 | if_tail : opt_else
|
---|
| 1352 | | keyword_elsif expr_value then
|
---|
| 1353 | compstmt
|
---|
| 1354 | if_tail
|
---|
| 1355 | {
|
---|
| 1356 | $$ = new_if(cond($2), $4, $5);
|
---|
| 1357 | }
|
---|
| 1358 | ;
|
---|
| 1359 |
|
---|
| 1360 | opt_else : none
|
---|
| 1361 | | keyword_else compstmt
|
---|
| 1362 | {
|
---|
| 1363 | $$ = $2;
|
---|
| 1364 | }
|
---|
| 1365 | ;
|
---|
| 1366 |
|
---|
| 1367 | for_var : lhs
|
---|
| 1368 | {
|
---|
| 1369 | $$ = list1(list1($1));
|
---|
| 1370 | }
|
---|
| 1371 | | mlhs
|
---|
| 1372 | ;
|
---|
| 1373 |
|
---|
| 1374 | f_marg : f_norm_arg
|
---|
| 1375 | {
|
---|
| 1376 | $$ = new_arg($1);
|
---|
| 1377 | }
|
---|
| 1378 | | tLPAREN f_margs rparen
|
---|
| 1379 | {
|
---|
| 1380 | $$ = new_masgn($2, null);
|
---|
| 1381 | }
|
---|
| 1382 | ;
|
---|
| 1383 |
|
---|
| 1384 | f_marg_list : f_marg
|
---|
| 1385 | {
|
---|
| 1386 | $$ = list1($1);
|
---|
| 1387 | }
|
---|
| 1388 | | f_marg_list ',' f_marg
|
---|
| 1389 | {
|
---|
| 1390 | $$ = push($1, $3);
|
---|
| 1391 | }
|
---|
| 1392 | ;
|
---|
| 1393 |
|
---|
| 1394 | f_margs : f_marg_list
|
---|
| 1395 | {
|
---|
| 1396 | $$ = list3($1, null, null);
|
---|
| 1397 | }
|
---|
| 1398 | | f_marg_list ',' tSTAR f_norm_arg
|
---|
| 1399 | {
|
---|
| 1400 | $$ = list3($1, new_arg($4), null);
|
---|
| 1401 | }
|
---|
| 1402 | | f_marg_list ',' tSTAR f_norm_arg ',' f_marg_list
|
---|
| 1403 | {
|
---|
| 1404 | $$ = list3($1, new_arg($4), $6);
|
---|
| 1405 | }
|
---|
| 1406 | | f_marg_list ',' tSTAR
|
---|
| 1407 | {
|
---|
| 1408 | $$ = list3($1, -1, null);
|
---|
| 1409 | }
|
---|
| 1410 | | f_marg_list ',' tSTAR ',' f_marg_list
|
---|
| 1411 | {
|
---|
| 1412 | $$ = list3($1, -1, $5);
|
---|
| 1413 | }
|
---|
| 1414 | | tSTAR f_norm_arg
|
---|
| 1415 | {
|
---|
| 1416 | $$ = list3(null, new_arg($2), null);
|
---|
| 1417 | }
|
---|
| 1418 | | tSTAR f_norm_arg ',' f_marg_list
|
---|
| 1419 | {
|
---|
| 1420 | $$ = list3(null, new_arg($2), $4);
|
---|
| 1421 | }
|
---|
| 1422 | | tSTAR
|
---|
| 1423 | {
|
---|
| 1424 | $$ = list3(null, -1, null);
|
---|
| 1425 | }
|
---|
| 1426 | | tSTAR ',' f_marg_list
|
---|
| 1427 | {
|
---|
| 1428 | $$ = list3(null, -1, $3);
|
---|
| 1429 | }
|
---|
| 1430 | ;
|
---|
| 1431 |
|
---|
| 1432 | block_param : f_arg ',' f_block_optarg ',' f_rest_arg opt_f_block_arg
|
---|
| 1433 | {
|
---|
| 1434 | $$ = new_args($1, $3, $5, null, $6);
|
---|
| 1435 | }
|
---|
| 1436 | | f_arg ',' f_block_optarg ',' f_rest_arg ',' f_arg opt_f_block_arg
|
---|
| 1437 | {
|
---|
| 1438 | $$ = new_args($1, $3, $5, $7, $8);
|
---|
| 1439 | }
|
---|
| 1440 | | f_arg ',' f_block_optarg opt_f_block_arg
|
---|
| 1441 | {
|
---|
| 1442 | $$ = new_args($1, $3, 0, null, $4);
|
---|
| 1443 | }
|
---|
| 1444 | | f_arg ',' f_block_optarg ',' f_arg opt_f_block_arg
|
---|
| 1445 | {
|
---|
| 1446 | $$ = new_args($1, $3, 0, $5, $6);
|
---|
| 1447 | }
|
---|
| 1448 | | f_arg ',' f_rest_arg opt_f_block_arg
|
---|
| 1449 | {
|
---|
| 1450 | $$ = new_args($1, null, $3, null, $4);
|
---|
| 1451 | }
|
---|
| 1452 | | f_arg ','
|
---|
| 1453 | {
|
---|
| 1454 | $$ = new_args($1, null, (mrb_sym)0, null, 0);
|
---|
| 1455 | }
|
---|
| 1456 | | f_arg ',' f_rest_arg ',' f_arg opt_f_block_arg
|
---|
| 1457 | {
|
---|
| 1458 | $$ = new_args($1, null, $3, $5, $6);
|
---|
| 1459 | }
|
---|
| 1460 | | f_arg opt_f_block_arg
|
---|
| 1461 | {
|
---|
| 1462 | $$ = new_args($1, null, 0, null, $2);
|
---|
| 1463 | }
|
---|
| 1464 | | f_block_optarg ',' f_rest_arg opt_f_block_arg
|
---|
| 1465 | {
|
---|
| 1466 | $$ = new_args(null, $1, $3, null, $4);
|
---|
| 1467 | }
|
---|
| 1468 | | f_block_optarg ',' f_rest_arg ',' f_arg opt_f_block_arg
|
---|
| 1469 | {
|
---|
| 1470 | $$ = new_args(null, $1, $3, $5, $6);
|
---|
| 1471 | }
|
---|
| 1472 | | f_block_optarg opt_f_block_arg
|
---|
| 1473 | {
|
---|
| 1474 | $$ = new_args(null, $1, 0, null, $2);
|
---|
| 1475 | }
|
---|
| 1476 | | f_block_optarg ',' f_arg opt_f_block_arg
|
---|
| 1477 | {
|
---|
| 1478 | $$ = new_args(null, $1, 0, $3, $4);
|
---|
| 1479 | }
|
---|
| 1480 | | f_rest_arg opt_f_block_arg
|
---|
| 1481 | {
|
---|
| 1482 | $$ = new_args(null, null, $1, null, $2);
|
---|
| 1483 | }
|
---|
| 1484 | | f_rest_arg ',' f_arg opt_f_block_arg
|
---|
| 1485 | {
|
---|
| 1486 | $$ = new_args(null, null, $1, $3, $4);
|
---|
| 1487 | }
|
---|
| 1488 | | f_block_arg
|
---|
| 1489 | {
|
---|
| 1490 | $$ = new_args(null, null, 0, null, $1);
|
---|
| 1491 | }
|
---|
| 1492 | ;
|
---|
| 1493 |
|
---|
| 1494 | opt_block_param : none
|
---|
| 1495 | | block_param_def
|
---|
| 1496 | {
|
---|
| 1497 | this.cmd_start = true;
|
---|
| 1498 | $$ = $1;
|
---|
| 1499 | }
|
---|
| 1500 | ;
|
---|
| 1501 |
|
---|
| 1502 | block_param_def : '|' opt_bv_decl '|'
|
---|
| 1503 | {
|
---|
| 1504 | $$ = null;
|
---|
| 1505 | }
|
---|
| 1506 | | tOROP
|
---|
| 1507 | {
|
---|
| 1508 | $$ = null;
|
---|
| 1509 | }
|
---|
| 1510 | | '|' block_param opt_bv_decl '|'
|
---|
| 1511 | {
|
---|
| 1512 | $$ = $2;
|
---|
| 1513 | }
|
---|
| 1514 | ;
|
---|
| 1515 |
|
---|
| 1516 |
|
---|
| 1517 | opt_bv_decl : opt_nl
|
---|
| 1518 | {
|
---|
| 1519 | $$ = null;
|
---|
| 1520 | }
|
---|
| 1521 | | opt_nl ';' bv_decls opt_nl
|
---|
| 1522 | {
|
---|
| 1523 | $$ = null;
|
---|
| 1524 | }
|
---|
| 1525 | ;
|
---|
| 1526 |
|
---|
| 1527 | bv_decls : bvar
|
---|
| 1528 | | bv_decls ',' bvar
|
---|
| 1529 | ;
|
---|
| 1530 |
|
---|
| 1531 | bvar : tIDENTIFIER
|
---|
| 1532 | {
|
---|
| 1533 | local_add_f($1);
|
---|
| 1534 | new_bv($1);
|
---|
| 1535 | }
|
---|
| 1536 | | f_bad_arg
|
---|
| 1537 | ;
|
---|
| 1538 |
|
---|
| 1539 | f_larglist : '(' f_args opt_bv_decl ')'
|
---|
| 1540 | {
|
---|
| 1541 | $$ = $2;
|
---|
| 1542 | }
|
---|
| 1543 | | f_args
|
---|
| 1544 | {
|
---|
| 1545 | $$ = $1;
|
---|
| 1546 | }
|
---|
| 1547 | ;
|
---|
| 1548 |
|
---|
| 1549 | lambda_body : tLAMBEG compstmt '}'
|
---|
| 1550 | {
|
---|
| 1551 | $$ = $2;
|
---|
| 1552 | }
|
---|
| 1553 | | keyword_do_LAMBDA compstmt keyword_end
|
---|
| 1554 | {
|
---|
| 1555 | $$ = $2;
|
---|
| 1556 | }
|
---|
| 1557 | ;
|
---|
| 1558 |
|
---|
| 1559 | do_block : keyword_do_block
|
---|
| 1560 | {
|
---|
| 1561 | local_nest();
|
---|
| 1562 | }
|
---|
| 1563 | opt_block_param
|
---|
| 1564 | compstmt
|
---|
| 1565 | keyword_end
|
---|
| 1566 | {
|
---|
| 1567 | $$ = new_block($3, $4, false);
|
---|
| 1568 | local_unnest();
|
---|
| 1569 | }
|
---|
| 1570 | ;
|
---|
| 1571 |
|
---|
| 1572 | block_call : command do_block
|
---|
| 1573 | {
|
---|
| 1574 | if ((node_type)$1.car == node_type.NODE_YIELD) {
|
---|
| 1575 | yyError("block given to yield");
|
---|
| 1576 | }
|
---|
| 1577 | else {
|
---|
| 1578 | call_with_block($1, $2);
|
---|
| 1579 | }
|
---|
| 1580 | $$ = $1;
|
---|
| 1581 | }
|
---|
| 1582 | | block_call call_op2 operation2 opt_paren_args
|
---|
| 1583 | {
|
---|
| 1584 | $$ = new_call($1, $3, $4, $2);
|
---|
| 1585 | }
|
---|
| 1586 | | block_call call_op2 operation2 opt_paren_args brace_block
|
---|
| 1587 | {
|
---|
| 1588 | $$ = new_call($1, $3, $4, $2);
|
---|
| 1589 | call_with_block((node)$$, $5);
|
---|
| 1590 | }
|
---|
| 1591 | | block_call call_op2 operation2 command_args do_block
|
---|
| 1592 | {
|
---|
| 1593 | $$ = new_call($1, $3, $4, $2);
|
---|
| 1594 | call_with_block((node)$$, $5);
|
---|
| 1595 | }
|
---|
| 1596 | ;
|
---|
| 1597 |
|
---|
| 1598 | method_call : operation paren_args
|
---|
| 1599 | {
|
---|
| 1600 | $$ = new_fcall($1, $2);
|
---|
| 1601 | }
|
---|
| 1602 | | primary_value call_op operation2 opt_paren_args
|
---|
| 1603 | {
|
---|
| 1604 | $$ = new_call($1, $3, $4, $2);
|
---|
| 1605 | }
|
---|
| 1606 | | primary_value tCOLON2 operation2 paren_args
|
---|
| 1607 | {
|
---|
| 1608 | $$ = new_call($1, $3, $4, MrbTokens.tCOLON2);
|
---|
| 1609 | }
|
---|
| 1610 | | primary_value tCOLON2 operation3
|
---|
| 1611 | {
|
---|
| 1612 | $$ = new_call($1, $3, null, MrbTokens.tCOLON2);
|
---|
| 1613 | }
|
---|
| 1614 | | primary_value call_op paren_args
|
---|
| 1615 | {
|
---|
| 1616 | $$ = new_call($1, intern("call",4), $3, $2);
|
---|
| 1617 | }
|
---|
| 1618 | | primary_value tCOLON2 paren_args
|
---|
| 1619 | {
|
---|
| 1620 | $$ = new_call($1, intern("call",4), $3, MrbTokens.tCOLON2);
|
---|
| 1621 | }
|
---|
| 1622 | | keyword_super paren_args
|
---|
| 1623 | {
|
---|
| 1624 | $$ = new_super($2);
|
---|
| 1625 | }
|
---|
| 1626 | | keyword_super
|
---|
| 1627 | {
|
---|
| 1628 | $$ = new_zsuper();
|
---|
| 1629 | }
|
---|
| 1630 | | primary_value '[' opt_call_args rbracket
|
---|
| 1631 | {
|
---|
| 1632 | $$ = new_call($1, intern("[]",2), $3, (MrbTokens)'.');
|
---|
| 1633 | }
|
---|
| 1634 | ;
|
---|
| 1635 |
|
---|
| 1636 | brace_block : '{'
|
---|
| 1637 | {
|
---|
| 1638 | local_nest();
|
---|
| 1639 | $$ = (int)this.lineno;
|
---|
| 1640 | }
|
---|
| 1641 | opt_block_param
|
---|
| 1642 | compstmt '}'
|
---|
| 1643 | {
|
---|
| 1644 | $$ = new_block($3, $4, true);
|
---|
| 1645 | $<node>$.SET_LINENO($<int>2);
|
---|
| 1646 | local_unnest();
|
---|
| 1647 | }
|
---|
| 1648 | | keyword_do
|
---|
| 1649 | {
|
---|
| 1650 | local_nest();
|
---|
| 1651 | $$ = (int)this.lineno;
|
---|
| 1652 | }
|
---|
| 1653 | opt_block_param
|
---|
| 1654 | compstmt keyword_end
|
---|
| 1655 | {
|
---|
| 1656 | $$ = new_block($3, $4, false);
|
---|
| 1657 | $<node>$.SET_LINENO($<int>2);
|
---|
| 1658 | local_unnest();
|
---|
| 1659 | }
|
---|
| 1660 | ;
|
---|
| 1661 |
|
---|
| 1662 | case_body : keyword_when args then
|
---|
| 1663 | compstmt
|
---|
| 1664 | cases
|
---|
| 1665 | {
|
---|
| 1666 | $$ = cons(cons($2, $4), $5);
|
---|
| 1667 | }
|
---|
| 1668 | ;
|
---|
| 1669 |
|
---|
| 1670 | cases : opt_else
|
---|
| 1671 | {
|
---|
| 1672 | if ($1 != null) {
|
---|
| 1673 | $$ = cons(cons(null, $1), null);
|
---|
| 1674 | }
|
---|
| 1675 | else {
|
---|
| 1676 | $$ = null;
|
---|
| 1677 | }
|
---|
| 1678 | }
|
---|
| 1679 | | case_body
|
---|
| 1680 | ;
|
---|
| 1681 |
|
---|
| 1682 | opt_rescue : keyword_rescue exc_list exc_var then
|
---|
| 1683 | compstmt
|
---|
| 1684 | opt_rescue
|
---|
| 1685 | {
|
---|
| 1686 | $$ = list1(list3($2, $3, $5));
|
---|
| 1687 | if ($6 != null) $$ = append($<node>$, $6);
|
---|
| 1688 | }
|
---|
| 1689 | | none
|
---|
| 1690 | ;
|
---|
| 1691 |
|
---|
| 1692 | exc_list : arg
|
---|
| 1693 | {
|
---|
| 1694 | $$ = list1($1);
|
---|
| 1695 | }
|
---|
| 1696 | | mrhs
|
---|
| 1697 | | none
|
---|
| 1698 | ;
|
---|
| 1699 |
|
---|
| 1700 | exc_var : tASSOC lhs
|
---|
| 1701 | {
|
---|
| 1702 | $$ = $2;
|
---|
| 1703 | }
|
---|
| 1704 | | none
|
---|
| 1705 | ;
|
---|
| 1706 |
|
---|
| 1707 | opt_ensure : keyword_ensure compstmt
|
---|
| 1708 | {
|
---|
| 1709 | $$ = $2;
|
---|
| 1710 | }
|
---|
| 1711 | | none
|
---|
| 1712 | ;
|
---|
| 1713 |
|
---|
| 1714 | literal : numeric
|
---|
| 1715 | | symbol
|
---|
| 1716 | | words
|
---|
| 1717 | | symbols
|
---|
| 1718 | ;
|
---|
| 1719 |
|
---|
| 1720 | string : tCHAR
|
---|
| 1721 | | tSTRING
|
---|
| 1722 | | tSTRING_BEG tSTRING
|
---|
| 1723 | {
|
---|
| 1724 | $$ = $2;
|
---|
| 1725 | }
|
---|
| 1726 | | tSTRING_BEG string_rep tSTRING
|
---|
| 1727 | {
|
---|
| 1728 | $$ = new_dstr(push($2, $3));
|
---|
| 1729 | }
|
---|
| 1730 | ;
|
---|
| 1731 |
|
---|
| 1732 | string_rep : string_interp
|
---|
| 1733 | | string_rep string_interp
|
---|
| 1734 | {
|
---|
| 1735 | $$ = append($1, $2);
|
---|
| 1736 | }
|
---|
| 1737 | ;
|
---|
| 1738 |
|
---|
| 1739 | string_interp : tSTRING_MID
|
---|
| 1740 | {
|
---|
| 1741 | $$ = list1($1);
|
---|
| 1742 | }
|
---|
| 1743 | | tSTRING_PART
|
---|
| 1744 | {
|
---|
| 1745 | $$ = (node)this.lex_strterm;
|
---|
| 1746 | this.lex_strterm = null;
|
---|
| 1747 | }
|
---|
| 1748 | compstmt
|
---|
| 1749 | '}'
|
---|
| 1750 | {
|
---|
| 1751 | this.lex_strterm = $<node>2;
|
---|
| 1752 | $$ = list2($1, $3);
|
---|
| 1753 | }
|
---|
| 1754 | | tLITERAL_DELIM
|
---|
| 1755 | {
|
---|
| 1756 | $$ = list1(new_literal_delim());
|
---|
| 1757 | }
|
---|
| 1758 | | tHD_LITERAL_DELIM heredoc_bodies
|
---|
| 1759 | {
|
---|
| 1760 | $$ = list1(new_literal_delim());
|
---|
| 1761 | }
|
---|
| 1762 | ;
|
---|
| 1763 |
|
---|
| 1764 | xstring : tXSTRING_BEG tXSTRING
|
---|
| 1765 | {
|
---|
| 1766 | $$ = $2;
|
---|
| 1767 | }
|
---|
| 1768 | | tXSTRING_BEG string_rep tXSTRING
|
---|
| 1769 | {
|
---|
| 1770 | $$ = new_dxstr(push($2, $3));
|
---|
| 1771 | }
|
---|
| 1772 | ;
|
---|
| 1773 |
|
---|
| 1774 | regexp : tREGEXP_BEG tREGEXP
|
---|
| 1775 | {
|
---|
| 1776 | $$ = $2;
|
---|
| 1777 | }
|
---|
| 1778 | | tREGEXP_BEG string_rep tREGEXP
|
---|
| 1779 | {
|
---|
| 1780 | $$ = new_dregx($2, $3);
|
---|
| 1781 | }
|
---|
| 1782 | ;
|
---|
| 1783 |
|
---|
| 1784 | heredoc : tHEREDOC_BEG
|
---|
| 1785 | ;
|
---|
| 1786 |
|
---|
| 1787 | heredoc_bodies : heredoc_body
|
---|
| 1788 | | heredoc_bodies heredoc_body
|
---|
| 1789 | ;
|
---|
| 1790 |
|
---|
| 1791 | heredoc_body : tHEREDOC_END
|
---|
| 1792 | {
|
---|
| 1793 | parser_heredoc_info inf = parsing_heredoc_inf();
|
---|
| 1794 | inf.push_doc(new_str(new Uint8Array(0), 0));
|
---|
| 1795 | heredoc_end();
|
---|
| 1796 | }
|
---|
| 1797 | | heredoc_string_rep tHEREDOC_END
|
---|
| 1798 | {
|
---|
| 1799 | heredoc_end();
|
---|
| 1800 | }
|
---|
| 1801 | ;
|
---|
| 1802 |
|
---|
| 1803 | heredoc_string_rep : heredoc_string_interp
|
---|
| 1804 | | heredoc_string_rep heredoc_string_interp
|
---|
| 1805 | ;
|
---|
| 1806 |
|
---|
| 1807 | heredoc_string_interp : tHD_STRING_MID
|
---|
| 1808 | {
|
---|
| 1809 | parser_heredoc_info inf = parsing_heredoc_inf();
|
---|
| 1810 | inf.push_doc($1);
|
---|
| 1811 | heredoc_treat_nextline();
|
---|
| 1812 | }
|
---|
| 1813 | | tHD_STRING_PART
|
---|
| 1814 | {
|
---|
| 1815 | $$ = (node)this.lex_strterm;
|
---|
| 1816 | this.lex_strterm = null;
|
---|
| 1817 | }
|
---|
| 1818 | compstmt
|
---|
| 1819 | '}'
|
---|
| 1820 | {
|
---|
| 1821 | parser_heredoc_info inf = parsing_heredoc_inf();
|
---|
| 1822 | this.lex_strterm = $<node>2;
|
---|
| 1823 | inf.push_doc($1);
|
---|
| 1824 | inf.push_doc($3);
|
---|
| 1825 | }
|
---|
| 1826 | ;
|
---|
| 1827 |
|
---|
| 1828 | words : tWORDS_BEG tSTRING
|
---|
| 1829 | {
|
---|
| 1830 | $$ = new_words(list1($2));
|
---|
| 1831 | }
|
---|
| 1832 | | tWORDS_BEG string_rep tSTRING
|
---|
| 1833 | {
|
---|
| 1834 | $$ = new_words(push($2, $3));
|
---|
| 1835 | }
|
---|
| 1836 | ;
|
---|
| 1837 |
|
---|
| 1838 |
|
---|
| 1839 | symbol : basic_symbol
|
---|
| 1840 | {
|
---|
| 1841 | $$ = new_sym($1);
|
---|
| 1842 | }
|
---|
| 1843 | | tSYMBEG tSTRING_BEG string_rep tSTRING
|
---|
| 1844 | {
|
---|
| 1845 | this.lstate = mrb_lex_state_enum.EXPR_END;
|
---|
| 1846 | $$ = new_dsym(push($3, $4));
|
---|
| 1847 | }
|
---|
| 1848 | ;
|
---|
| 1849 |
|
---|
| 1850 | basic_symbol : tSYMBEG sym
|
---|
| 1851 | {
|
---|
| 1852 | this.lstate = mrb_lex_state_enum.EXPR_END;
|
---|
| 1853 | $$ = $2;
|
---|
| 1854 | }
|
---|
| 1855 | ;
|
---|
| 1856 |
|
---|
| 1857 | sym : fname
|
---|
| 1858 | | tIVAR
|
---|
| 1859 | | tGVAR
|
---|
| 1860 | | tCVAR
|
---|
| 1861 | | tSTRING
|
---|
| 1862 | {
|
---|
| 1863 | $$ = new_strsym($1);
|
---|
| 1864 | }
|
---|
| 1865 | | tSTRING_BEG tSTRING
|
---|
| 1866 | {
|
---|
| 1867 | $$ = new_strsym($2);
|
---|
| 1868 | }
|
---|
| 1869 | ;
|
---|
| 1870 |
|
---|
| 1871 | symbols : tSYMBOLS_BEG tSTRING
|
---|
| 1872 | {
|
---|
| 1873 | $$ = new_symbols(list1($2));
|
---|
| 1874 | }
|
---|
| 1875 | | tSYMBOLS_BEG string_rep tSTRING
|
---|
| 1876 | {
|
---|
| 1877 | $$ = new_symbols(push($2, $3));
|
---|
| 1878 | }
|
---|
| 1879 | ;
|
---|
| 1880 |
|
---|
| 1881 | numeric : tINTEGER
|
---|
| 1882 | | tFLOAT
|
---|
| 1883 | | tUMINUS_NUM tINTEGER %prec tLOWEST
|
---|
| 1884 | {
|
---|
| 1885 | $$ = negate_lit($2);
|
---|
| 1886 | }
|
---|
| 1887 | | tUMINUS_NUM tFLOAT %prec tLOWEST
|
---|
| 1888 | {
|
---|
| 1889 | $$ = negate_lit($2);
|
---|
| 1890 | }
|
---|
| 1891 | ;
|
---|
| 1892 |
|
---|
| 1893 | variable : tIDENTIFIER
|
---|
| 1894 | {
|
---|
| 1895 | $$ = new_lvar($1);
|
---|
| 1896 | }
|
---|
| 1897 | | tIVAR
|
---|
| 1898 | {
|
---|
| 1899 | $$ = new_ivar($1);
|
---|
| 1900 | }
|
---|
| 1901 | | tGVAR
|
---|
| 1902 | {
|
---|
| 1903 | $$ = new_gvar($1);
|
---|
| 1904 | }
|
---|
| 1905 | | tCVAR
|
---|
| 1906 | {
|
---|
| 1907 | $$ = new_cvar($1);
|
---|
| 1908 | }
|
---|
| 1909 | | tCONSTANT
|
---|
| 1910 | {
|
---|
| 1911 | $$ = new_const($1);
|
---|
| 1912 | }
|
---|
| 1913 | ;
|
---|
| 1914 |
|
---|
| 1915 | var_lhs : variable
|
---|
| 1916 | {
|
---|
| 1917 | assignable($1);
|
---|
| 1918 | }
|
---|
| 1919 | ;
|
---|
| 1920 |
|
---|
| 1921 | var_ref : variable
|
---|
| 1922 | {
|
---|
| 1923 | $$ = var_reference($1);
|
---|
| 1924 | }
|
---|
| 1925 | | keyword_nil
|
---|
| 1926 | {
|
---|
| 1927 | $$ = new_nil();
|
---|
| 1928 | }
|
---|
| 1929 | | keyword_self
|
---|
| 1930 | {
|
---|
| 1931 | $$ = new_self();
|
---|
| 1932 | }
|
---|
| 1933 | | keyword_true
|
---|
| 1934 | {
|
---|
| 1935 | $$ = new_true();
|
---|
| 1936 | }
|
---|
| 1937 | | keyword_false
|
---|
| 1938 | {
|
---|
| 1939 | $$ = new_false();
|
---|
| 1940 | }
|
---|
| 1941 | | keyword__FILE__
|
---|
| 1942 | {
|
---|
| 1943 | if (this.filename == null) {
|
---|
| 1944 | this.mrb_parser_set_filename("(null)");
|
---|
| 1945 | }
|
---|
| 1946 | $$ = new_filename(this.filename);
|
---|
| 1947 | }
|
---|
| 1948 | | keyword__LINE__
|
---|
| 1949 | {
|
---|
| 1950 | $$ = new_lineno(this.lineno);
|
---|
| 1951 | }
|
---|
| 1952 | ;
|
---|
| 1953 |
|
---|
| 1954 | backref : tNTH_REF
|
---|
| 1955 | | tBACK_REF
|
---|
| 1956 | ;
|
---|
| 1957 |
|
---|
| 1958 | superclass : /* term */
|
---|
| 1959 | {
|
---|
| 1960 | $$ = null;
|
---|
| 1961 | }
|
---|
| 1962 | | '<'
|
---|
| 1963 | {
|
---|
| 1964 | this.lstate = mrb_lex_state_enum.EXPR_BEG;
|
---|
| 1965 | this.cmd_start = true;
|
---|
| 1966 | }
|
---|
| 1967 | expr_value term
|
---|
| 1968 | {
|
---|
| 1969 | $$ = $3;
|
---|
| 1970 | } /*
|
---|
| 1971 | | error term
|
---|
| 1972 | {
|
---|
| 1973 | yyErrorFlag = 0;
|
---|
| 1974 | $$ = null;
|
---|
| 1975 | } */
|
---|
| 1976 | ;
|
---|
| 1977 |
|
---|
| 1978 | f_arglist : '(' f_args rparen
|
---|
| 1979 | {
|
---|
| 1980 | $$ = $2;
|
---|
| 1981 | this.lstate = mrb_lex_state_enum.EXPR_BEG;
|
---|
| 1982 | this.cmd_start = true;
|
---|
| 1983 | }
|
---|
| 1984 | | f_args term
|
---|
| 1985 | {
|
---|
| 1986 | $$ = $1;
|
---|
| 1987 | }
|
---|
| 1988 | ;
|
---|
| 1989 |
|
---|
| 1990 | f_args : f_arg ',' f_optarg ',' f_rest_arg opt_f_block_arg
|
---|
| 1991 | {
|
---|
| 1992 | $$ = new_args($1, $3, $5, null, $6);
|
---|
| 1993 | }
|
---|
| 1994 | | f_arg ',' f_optarg ',' f_rest_arg ',' f_arg opt_f_block_arg
|
---|
| 1995 | {
|
---|
| 1996 | $$ = new_args($1, $3, $5, $7, $8);
|
---|
| 1997 | }
|
---|
| 1998 | | f_arg ',' f_optarg opt_f_block_arg
|
---|
| 1999 | {
|
---|
| 2000 | $$ = new_args($1, $3, 0, null, $4);
|
---|
| 2001 | }
|
---|
| 2002 | | f_arg ',' f_optarg ',' f_arg opt_f_block_arg
|
---|
| 2003 | {
|
---|
| 2004 | $$ = new_args($1, $3, 0, $5, $6);
|
---|
| 2005 | }
|
---|
| 2006 | | f_arg ',' f_rest_arg opt_f_block_arg
|
---|
| 2007 | {
|
---|
| 2008 | $$ = new_args($1, null, $3, null, $4);
|
---|
| 2009 | }
|
---|
| 2010 | | f_arg ',' f_rest_arg ',' f_arg opt_f_block_arg
|
---|
| 2011 | {
|
---|
| 2012 | $$ = new_args($1, null, $3, $5, $6);
|
---|
| 2013 | }
|
---|
| 2014 | | f_arg opt_f_block_arg
|
---|
| 2015 | {
|
---|
| 2016 | $$ = new_args($1, null, 0, null, $2);
|
---|
| 2017 | }
|
---|
| 2018 | | f_optarg ',' f_rest_arg opt_f_block_arg
|
---|
| 2019 | {
|
---|
| 2020 | $$ = new_args(null, $1, $3, null, $4);
|
---|
| 2021 | }
|
---|
| 2022 | | f_optarg ',' f_rest_arg ',' f_arg opt_f_block_arg
|
---|
| 2023 | {
|
---|
| 2024 | $$ = new_args(null, $1, $3, $5, $6);
|
---|
| 2025 | }
|
---|
| 2026 | | f_optarg opt_f_block_arg
|
---|
| 2027 | {
|
---|
| 2028 | $$ = new_args(null, $1, 0, null, $2);
|
---|
| 2029 | }
|
---|
| 2030 | | f_optarg ',' f_arg opt_f_block_arg
|
---|
| 2031 | {
|
---|
| 2032 | $$ = new_args(null, $1, 0, $3, $4);
|
---|
| 2033 | }
|
---|
| 2034 | | f_rest_arg opt_f_block_arg
|
---|
| 2035 | {
|
---|
| 2036 | $$ = new_args(null, null, $1, null, $2);
|
---|
| 2037 | }
|
---|
| 2038 | | f_rest_arg ',' f_arg opt_f_block_arg
|
---|
| 2039 | {
|
---|
| 2040 | $$ = new_args(null, null, $1, $3, $4);
|
---|
| 2041 | }
|
---|
| 2042 | | f_block_arg
|
---|
| 2043 | {
|
---|
| 2044 | $$ = new_args(null, null, 0, null, $1);
|
---|
| 2045 | }
|
---|
| 2046 | | /* none */
|
---|
| 2047 | {
|
---|
| 2048 | local_add_f(0);
|
---|
| 2049 | $$ = new_args(null, null, 0, null, 0);
|
---|
| 2050 | }
|
---|
| 2051 | ;
|
---|
| 2052 |
|
---|
| 2053 | f_bad_arg : tCONSTANT
|
---|
| 2054 | {
|
---|
| 2055 | yyError("formal argument cannot be a constant");
|
---|
| 2056 | $$ = null;
|
---|
| 2057 | }
|
---|
| 2058 | | tIVAR
|
---|
| 2059 | {
|
---|
| 2060 | yyError("formal argument cannot be an instance variable");
|
---|
| 2061 | $$ = null;
|
---|
| 2062 | }
|
---|
| 2063 | | tGVAR
|
---|
| 2064 | {
|
---|
| 2065 | yyError("formal argument cannot be a global variable");
|
---|
| 2066 | $$ = null;
|
---|
| 2067 | }
|
---|
| 2068 | | tCVAR
|
---|
| 2069 | {
|
---|
| 2070 | yyError("formal argument cannot be a class variable");
|
---|
| 2071 | $$ = null;
|
---|
| 2072 | }
|
---|
| 2073 | ;
|
---|
| 2074 |
|
---|
| 2075 | f_norm_arg : f_bad_arg
|
---|
| 2076 | {
|
---|
| 2077 | $$ = null;
|
---|
| 2078 | }
|
---|
| 2079 | | tIDENTIFIER
|
---|
| 2080 | {
|
---|
| 2081 | local_add_f($1);
|
---|
| 2082 | $$ = $1;
|
---|
| 2083 | }
|
---|
| 2084 | ;
|
---|
| 2085 |
|
---|
| 2086 | f_arg_item : f_norm_arg
|
---|
| 2087 | {
|
---|
| 2088 | $$ = new_arg($1);
|
---|
| 2089 | }
|
---|
| 2090 | | tLPAREN f_margs rparen
|
---|
| 2091 | {
|
---|
| 2092 | $$ = new_masgn($2, null);
|
---|
| 2093 | }
|
---|
| 2094 | ;
|
---|
| 2095 |
|
---|
| 2096 | f_arg : f_arg_item
|
---|
| 2097 | {
|
---|
| 2098 | $$ = list1($1);
|
---|
| 2099 | }
|
---|
| 2100 | | f_arg ',' f_arg_item
|
---|
| 2101 | {
|
---|
| 2102 | $$ = push($1, $3);
|
---|
| 2103 | }
|
---|
| 2104 | ;
|
---|
| 2105 |
|
---|
| 2106 | f_opt_asgn : tIDENTIFIER '='
|
---|
| 2107 | {
|
---|
| 2108 | local_add_f($1);
|
---|
| 2109 | $$ = $1;
|
---|
| 2110 | }
|
---|
| 2111 | ;
|
---|
| 2112 |
|
---|
| 2113 | f_opt : f_opt_asgn arg
|
---|
| 2114 | {
|
---|
[430] | 2115 | void_expr_error($2);
|
---|
[321] | 2116 | $$ = cons($1, $2);
|
---|
| 2117 | }
|
---|
| 2118 | ;
|
---|
| 2119 |
|
---|
| 2120 | f_block_opt : f_opt_asgn primary_value
|
---|
| 2121 | {
|
---|
[430] | 2122 | void_expr_error($2);
|
---|
[321] | 2123 | $$ = cons($1, $2);
|
---|
| 2124 | }
|
---|
| 2125 | ;
|
---|
| 2126 |
|
---|
| 2127 | f_block_optarg : f_block_opt
|
---|
| 2128 | {
|
---|
| 2129 | $$ = list1($1);
|
---|
| 2130 | }
|
---|
| 2131 | | f_block_optarg ',' f_block_opt
|
---|
| 2132 | {
|
---|
| 2133 | $$ = push($1, $3);
|
---|
| 2134 | }
|
---|
| 2135 | ;
|
---|
| 2136 |
|
---|
| 2137 | f_optarg : f_opt
|
---|
| 2138 | {
|
---|
| 2139 | $$ = list1($1);
|
---|
| 2140 | }
|
---|
| 2141 | | f_optarg ',' f_opt
|
---|
| 2142 | {
|
---|
| 2143 | $$ = push($1, $3);
|
---|
| 2144 | }
|
---|
| 2145 | ;
|
---|
| 2146 |
|
---|
| 2147 | restarg_mark : '*'
|
---|
| 2148 | | tSTAR
|
---|
| 2149 | ;
|
---|
| 2150 |
|
---|
| 2151 | f_rest_arg : restarg_mark tIDENTIFIER
|
---|
| 2152 | {
|
---|
| 2153 | local_add_f($2);
|
---|
| 2154 | $$ = $2;
|
---|
| 2155 | }
|
---|
| 2156 | | restarg_mark
|
---|
| 2157 | {
|
---|
| 2158 | local_add_f(0);
|
---|
| 2159 | $$ = -1;
|
---|
| 2160 | }
|
---|
| 2161 | ;
|
---|
| 2162 |
|
---|
| 2163 | blkarg_mark : '&'
|
---|
| 2164 | | tAMPER
|
---|
| 2165 | ;
|
---|
| 2166 |
|
---|
| 2167 | f_block_arg : blkarg_mark tIDENTIFIER
|
---|
| 2168 | {
|
---|
| 2169 | local_add_f($2);
|
---|
| 2170 | $$ = $2;
|
---|
| 2171 | }
|
---|
| 2172 | ;
|
---|
| 2173 |
|
---|
| 2174 | opt_f_block_arg : ',' f_block_arg
|
---|
| 2175 | {
|
---|
| 2176 | $$ = $2;
|
---|
| 2177 | }
|
---|
| 2178 | | none
|
---|
| 2179 | {
|
---|
| 2180 | local_add_f(0);
|
---|
| 2181 | $$ = 0;
|
---|
| 2182 | }
|
---|
| 2183 | ;
|
---|
| 2184 |
|
---|
| 2185 | singleton : var_ref
|
---|
| 2186 | {
|
---|
| 2187 | $$ = $1;
|
---|
| 2188 | if ($$ == null) $$ = new_nil();
|
---|
| 2189 | }
|
---|
| 2190 | | '(' {this.lstate = mrb_lex_state_enum.EXPR_BEG;} expr rparen
|
---|
| 2191 | {
|
---|
| 2192 | if ($<int>3 == 0) {
|
---|
| 2193 | yyError("can't define singleton method for ().");
|
---|
| 2194 | }
|
---|
| 2195 | else {
|
---|
| 2196 | switch ((node_type)($3.car)) {
|
---|
| 2197 | case node_type.NODE_STR:
|
---|
| 2198 | case node_type.NODE_DSTR:
|
---|
| 2199 | case node_type.NODE_XSTR:
|
---|
| 2200 | case node_type.NODE_DXSTR:
|
---|
| 2201 | case node_type.NODE_DREGX:
|
---|
| 2202 | case node_type.NODE_MATCH:
|
---|
| 2203 | case node_type.NODE_FLOAT:
|
---|
| 2204 | case node_type.NODE_ARRAY:
|
---|
| 2205 | case node_type.NODE_HEREDOC:
|
---|
| 2206 | yyError("can't define singleton method for literals");
|
---|
| 2207 | break;
|
---|
| 2208 | default:
|
---|
| 2209 | break;
|
---|
| 2210 | }
|
---|
| 2211 | }
|
---|
| 2212 | $$ = $3;
|
---|
| 2213 | }
|
---|
| 2214 | ;
|
---|
| 2215 |
|
---|
| 2216 | assoc_list : none
|
---|
| 2217 | | assocs trailer
|
---|
| 2218 | {
|
---|
| 2219 | $$ = $1;
|
---|
| 2220 | }
|
---|
| 2221 | ;
|
---|
| 2222 |
|
---|
| 2223 | assocs : assoc
|
---|
| 2224 | {
|
---|
| 2225 | $$ = list1($1);
|
---|
| 2226 | $<node>$.NODE_LINENO($1);
|
---|
| 2227 | }
|
---|
| 2228 | | assocs ',' assoc
|
---|
| 2229 | {
|
---|
| 2230 | $$ = push($1, $3);
|
---|
| 2231 | }
|
---|
| 2232 | ;
|
---|
| 2233 |
|
---|
| 2234 | assoc : arg tASSOC arg
|
---|
| 2235 | {
|
---|
[430] | 2236 | void_expr_error($1);
|
---|
| 2237 | void_expr_error($3);
|
---|
[321] | 2238 | $$ = cons($1, $3);
|
---|
| 2239 | }
|
---|
| 2240 | | tLABEL arg
|
---|
| 2241 | {
|
---|
[430] | 2242 | void_expr_error($2);
|
---|
[321] | 2243 | $$ = cons(new_sym($1), $2);
|
---|
| 2244 | }
|
---|
| 2245 | | tLABEL_END arg
|
---|
| 2246 | {
|
---|
[430] | 2247 | void_expr_error($2);
|
---|
[321] | 2248 | $$ = cons(new_sym(new_strsym($1)), $2);
|
---|
| 2249 | }
|
---|
| 2250 | | tSTRING_BEG tLABEL_END arg
|
---|
| 2251 | {
|
---|
[430] | 2252 | void_expr_error($3);
|
---|
[321] | 2253 | $$ = cons(new_sym(new_strsym($2)), $3);
|
---|
| 2254 | }
|
---|
| 2255 | | tSTRING_BEG string_rep tLABEL_END arg
|
---|
| 2256 | {
|
---|
[430] | 2257 | void_expr_error($4);
|
---|
[321] | 2258 | $$ = cons(new_dsym(push($2, $3)), $4);
|
---|
| 2259 | }
|
---|
| 2260 | ;
|
---|
| 2261 |
|
---|
| 2262 | operation : tIDENTIFIER
|
---|
| 2263 | | tCONSTANT
|
---|
| 2264 | | tFID
|
---|
| 2265 | ;
|
---|
| 2266 |
|
---|
| 2267 | operation2 : tIDENTIFIER
|
---|
| 2268 | | tCONSTANT
|
---|
| 2269 | | tFID
|
---|
| 2270 | | op
|
---|
| 2271 | ;
|
---|
| 2272 |
|
---|
| 2273 | operation3 : tIDENTIFIER
|
---|
| 2274 | | tFID
|
---|
| 2275 | | op
|
---|
| 2276 | ;
|
---|
| 2277 |
|
---|
| 2278 | dot_or_colon : '.'
|
---|
| 2279 | | tCOLON2
|
---|
| 2280 | ;
|
---|
| 2281 |
|
---|
| 2282 | call_op : '.'
|
---|
| 2283 | {
|
---|
| 2284 | $$ = (MrbTokens)'.';
|
---|
| 2285 | }
|
---|
| 2286 | | tANDDOT
|
---|
| 2287 | {
|
---|
| 2288 | $$ = (MrbTokens)0;
|
---|
| 2289 | }
|
---|
| 2290 | ;
|
---|
| 2291 |
|
---|
| 2292 | call_op2 : call_op
|
---|
| 2293 | | tCOLON2
|
---|
| 2294 | {
|
---|
| 2295 | $$ = MrbTokens.tCOLON2;
|
---|
| 2296 | }
|
---|
| 2297 | ;
|
---|
| 2298 |
|
---|
| 2299 | opt_terms : /* none */
|
---|
| 2300 | | terms
|
---|
| 2301 | ;
|
---|
| 2302 |
|
---|
| 2303 | opt_nl : /* none */
|
---|
| 2304 | | nl
|
---|
| 2305 | ;
|
---|
| 2306 |
|
---|
| 2307 | rparen : opt_nl ')'
|
---|
| 2308 | ;
|
---|
| 2309 |
|
---|
| 2310 | rbracket : opt_nl ']'
|
---|
| 2311 | ;
|
---|
| 2312 |
|
---|
| 2313 | trailer : /* none */
|
---|
| 2314 | | nl
|
---|
| 2315 | | comma
|
---|
| 2316 | ;
|
---|
| 2317 |
|
---|
| 2318 | term : ';' {yyErrorFlag = 0;}
|
---|
| 2319 | | nl
|
---|
| 2320 | | heredoc_body
|
---|
| 2321 | ;
|
---|
| 2322 |
|
---|
| 2323 | nl : '\n'
|
---|
| 2324 | {
|
---|
| 2325 | this.lineno++;
|
---|
| 2326 | this.column = 0;
|
---|
| 2327 | }
|
---|
| 2328 | ;
|
---|
| 2329 |
|
---|
| 2330 | terms : term
|
---|
| 2331 | | terms term
|
---|
| 2332 | ;
|
---|
| 2333 |
|
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| 2334 | none : /* none */
|
---|
| 2335 | {
|
---|
| 2336 | $$ = null;
|
---|
| 2337 | }
|
---|
| 2338 | ;
|
---|
| 2339 | %%
|
---|
| 2340 |
|
---|
| 2341 | } // must specify trailing } for parser class
|
---|
| 2342 | } // must specify trailing } for namespace, if any
|
---|