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Diffstat (limited to 'test/racc/assets/ruby21.y')
| -rw-r--r-- | test/racc/assets/ruby21.y | 2359 |
1 files changed, 2359 insertions, 0 deletions
diff --git a/test/racc/assets/ruby21.y b/test/racc/assets/ruby21.y new file mode 100644 index 0000000000..2ac94afb0c --- /dev/null +++ b/test/racc/assets/ruby21.y @@ -0,0 +1,2359 @@ +# Copyright (c) 2013 Peter Zotov <whitequark@whitequark.org> +# +# Parts of the source are derived from ruby_parser: +# Copyright (c) Ryan Davis, seattle.rb +# +# MIT License +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +class Parser::Ruby21 + +token kCLASS kMODULE kDEF kUNDEF kBEGIN kRESCUE kENSURE kEND kIF kUNLESS + kTHEN kELSIF kELSE kCASE kWHEN kWHILE kUNTIL kFOR kBREAK kNEXT + kREDO kRETRY kIN kDO kDO_COND kDO_BLOCK kDO_LAMBDA kRETURN kYIELD kSUPER + kSELF kNIL kTRUE kFALSE kAND kOR kNOT kIF_MOD kUNLESS_MOD kWHILE_MOD + kUNTIL_MOD kRESCUE_MOD kALIAS kDEFINED klBEGIN klEND k__LINE__ + k__FILE__ k__ENCODING__ tIDENTIFIER tFID tGVAR tIVAR tCONSTANT + tLABEL tCVAR tNTH_REF tBACK_REF tSTRING_CONTENT tINTEGER tFLOAT + tREGEXP_END tUPLUS tUMINUS tUMINUS_NUM tPOW tCMP tEQ tEQQ tNEQ + tGEQ tLEQ tANDOP tOROP tMATCH tNMATCH tDOT tDOT2 tDOT3 tAREF + tASET tLSHFT tRSHFT tCOLON2 tCOLON3 tOP_ASGN tASSOC tLPAREN + tLPAREN2 tRPAREN tLPAREN_ARG tLBRACK tLBRACK2 tRBRACK tLBRACE + tLBRACE_ARG tSTAR tSTAR2 tAMPER tAMPER2 tTILDE tPERCENT tDIVIDE + tDSTAR tPLUS tMINUS tLT tGT tPIPE tBANG tCARET tLCURLY tRCURLY + tBACK_REF2 tSYMBEG tSTRING_BEG tXSTRING_BEG tREGEXP_BEG tREGEXP_OPT + tWORDS_BEG tQWORDS_BEG tSYMBOLS_BEG tQSYMBOLS_BEG tSTRING_DBEG + tSTRING_DVAR tSTRING_END tSTRING_DEND tSTRING tSYMBOL + tNL tEH tCOLON tCOMMA tSPACE tSEMI tLAMBDA tLAMBEG tCHARACTER + tRATIONAL tIMAGINARY + +prechigh + right tBANG tTILDE tUPLUS + right tPOW + right tUMINUS_NUM tUMINUS + left tSTAR2 tDIVIDE tPERCENT + left tPLUS tMINUS + left tLSHFT tRSHFT + left tAMPER2 + left tPIPE tCARET + left tGT tGEQ tLT tLEQ + nonassoc tCMP tEQ tEQQ tNEQ tMATCH tNMATCH + left tANDOP + left tOROP + nonassoc tDOT2 tDOT3 + right tEH tCOLON + left kRESCUE_MOD + right tEQL tOP_ASGN + nonassoc kDEFINED + right kNOT + left kOR kAND + nonassoc kIF_MOD kUNLESS_MOD kWHILE_MOD kUNTIL_MOD + nonassoc tLBRACE_ARG + nonassoc tLOWEST +preclow + +rule + + program: top_compstmt + + top_compstmt: top_stmts opt_terms + { + result = @builder.compstmt(val[0]) + } + + top_stmts: # nothing + { + result = [] + } + | top_stmt + { + result = [ val[0] ] + } + | top_stmts terms top_stmt + { + result = val[0] << val[2] + } + | error top_stmt + { + result = [ val[1] ] + } + + top_stmt: stmt + | klBEGIN tLCURLY top_compstmt tRCURLY + { + result = @builder.preexe(val[0], val[1], val[2], val[3]) + } + + bodystmt: compstmt opt_rescue opt_else opt_ensure + { + rescue_bodies = val[1] + else_t, else_ = val[2] + ensure_t, ensure_ = val[3] + + if rescue_bodies.empty? && !else_.nil? + diagnostic :warning, :useless_else, nil, else_t + end + + result = @builder.begin_body(val[0], + rescue_bodies, + else_t, else_, + ensure_t, ensure_) + } + + compstmt: stmts opt_terms + { + result = @builder.compstmt(val[0]) + } + + stmts: # nothing + { + result = [] + } + | stmt_or_begin + { + result = [ val[0] ] + } + | stmts terms stmt_or_begin + { + result = val[0] << val[2] + } + | error stmt + { + result = [ val[1] ] + } + + stmt_or_begin: stmt + | klBEGIN tLCURLY top_compstmt tRCURLY + { + diagnostic :error, :begin_in_method, nil, val[0] + } + + stmt: kALIAS fitem + { + @lexer.state = :expr_fname + } + fitem + { + result = @builder.alias(val[0], val[1], val[3]) + } + | kALIAS tGVAR tGVAR + { + result = @builder.alias(val[0], + @builder.gvar(val[1]), + @builder.gvar(val[2])) + } + | kALIAS tGVAR tBACK_REF + { + result = @builder.alias(val[0], + @builder.gvar(val[1]), + @builder.back_ref(val[2])) + } + | kALIAS tGVAR tNTH_REF + { + diagnostic :error, :nth_ref_alias, nil, val[2] + } + | kUNDEF undef_list + { + result = @builder.undef_method(val[0], val[1]) + } + | stmt kIF_MOD expr_value + { + result = @builder.condition_mod(val[0], nil, + val[1], val[2]) + } + | stmt kUNLESS_MOD expr_value + { + result = @builder.condition_mod(nil, val[0], + val[1], val[2]) + } + | stmt kWHILE_MOD expr_value + { + result = @builder.loop_mod(:while, val[0], val[1], val[2]) + } + | stmt kUNTIL_MOD expr_value + { + result = @builder.loop_mod(:until, val[0], val[1], val[2]) + } + | stmt kRESCUE_MOD stmt + { + rescue_body = @builder.rescue_body(val[1], + nil, nil, nil, + nil, val[2]) + + result = @builder.begin_body(val[0], [ rescue_body ]) + } + | klEND tLCURLY compstmt tRCURLY + { + result = @builder.postexe(val[0], val[1], val[2], val[3]) + } + | command_asgn + | mlhs tEQL command_call + { + result = @builder.multi_assign(val[0], val[1], val[2]) + } + | var_lhs tOP_ASGN command_call + { + result = @builder.op_assign(val[0], val[1], val[2]) + } + | primary_value tLBRACK2 opt_call_args rbracket tOP_ASGN command_call + { + result = @builder.op_assign( + @builder.index( + val[0], val[1], val[2], val[3]), + val[4], val[5]) + } + | primary_value tDOT tIDENTIFIER tOP_ASGN command_call + { + result = @builder.op_assign( + @builder.call_method( + val[0], val[1], val[2]), + val[3], val[4]) + } + | primary_value tDOT tCONSTANT tOP_ASGN command_call + { + result = @builder.op_assign( + @builder.call_method( + val[0], val[1], val[2]), + val[3], val[4]) + } + | primary_value tCOLON2 tCONSTANT tOP_ASGN command_call + { + result = @builder.op_assign( + @builder.call_method( + val[0], val[1], val[2]), + val[3], val[4]) + } + | primary_value tCOLON2 tIDENTIFIER tOP_ASGN command_call + { + result = @builder.op_assign( + @builder.call_method( + val[0], val[1], val[2]), + val[3], val[4]) + } + | backref tOP_ASGN command_call + { + @builder.op_assign(val[0], val[1], val[2]) + } + | lhs tEQL mrhs + { + result = @builder.assign(val[0], val[1], + @builder.array(nil, val[2], nil)) + } + | mlhs tEQL mrhs_arg + { + result = @builder.multi_assign(val[0], val[1], val[2]) + } + | expr + + command_asgn: lhs tEQL command_call + { + result = @builder.assign(val[0], val[1], val[2]) + } + | lhs tEQL command_asgn + { + result = @builder.assign(val[0], val[1], val[2]) + } + + expr: command_call + | expr kAND expr + { + result = @builder.logical_op(:and, val[0], val[1], val[2]) + } + | expr kOR expr + { + result = @builder.logical_op(:or, val[0], val[1], val[2]) + } + | kNOT opt_nl expr + { + result = @builder.not_op(val[0], nil, val[2], nil) + } + | tBANG command_call + { + result = @builder.not_op(val[0], nil, val[1], nil) + } + | arg + + expr_value: expr + + command_call: command + | block_command + + block_command: block_call + | block_call dot_or_colon operation2 command_args + { + result = @builder.call_method(val[0], val[1], val[2], + nil, val[3], nil) + } + + cmd_brace_block: tLBRACE_ARG + { + @static_env.extend_dynamic + } + opt_block_param compstmt tRCURLY + { + result = [ val[0], val[2], val[3], val[4] ] + + @static_env.unextend + } + + fcall: operation + + command: fcall command_args =tLOWEST + { + result = @builder.call_method(nil, nil, val[0], + nil, val[1], nil) + } + | fcall command_args cmd_brace_block + { + method_call = @builder.call_method(nil, nil, val[0], + nil, val[1], nil) + + begin_t, args, body, end_t = val[2] + result = @builder.block(method_call, + begin_t, args, body, end_t) + } + | primary_value tDOT operation2 command_args =tLOWEST + { + result = @builder.call_method(val[0], val[1], val[2], + nil, val[3], nil) + } + | primary_value tDOT operation2 command_args cmd_brace_block + { + method_call = @builder.call_method(val[0], val[1], val[2], + nil, val[3], nil) + + begin_t, args, body, end_t = val[4] + result = @builder.block(method_call, + begin_t, args, body, end_t) + } + | primary_value tCOLON2 operation2 command_args =tLOWEST + { + result = @builder.call_method(val[0], val[1], val[2], + nil, val[3], nil) + } + | primary_value tCOLON2 operation2 command_args cmd_brace_block + { + method_call = @builder.call_method(val[0], val[1], val[2], + nil, val[3], nil) + + begin_t, args, body, end_t = val[4] + result = @builder.block(method_call, + begin_t, args, body, end_t) + } + | kSUPER command_args + { + result = @builder.keyword_cmd(:super, val[0], + nil, val[1], nil) + } + | kYIELD command_args + { + result = @builder.keyword_cmd(:yield, val[0], + nil, val[1], nil) + } + | kRETURN call_args + { + result = @builder.keyword_cmd(:return, val[0], + nil, val[1], nil) + } + | kBREAK call_args + { + result = @builder.keyword_cmd(:break, val[0], + nil, val[1], nil) + } + | kNEXT call_args + { + result = @builder.keyword_cmd(:next, val[0], + nil, val[1], nil) + } + + mlhs: mlhs_basic + { + result = @builder.multi_lhs(nil, val[0], nil) + } + | tLPAREN mlhs_inner rparen + { + result = @builder.begin(val[0], val[1], val[2]) + } + + mlhs_inner: mlhs_basic + { + result = @builder.multi_lhs(nil, val[0], nil) + } + | tLPAREN mlhs_inner rparen + { + result = @builder.multi_lhs(val[0], val[1], val[2]) + } + + mlhs_basic: mlhs_head + | mlhs_head mlhs_item + { + result = val[0]. + push(val[1]) + } + | mlhs_head tSTAR mlhs_node + { + result = val[0]. + push(@builder.splat(val[1], val[2])) + } + | mlhs_head tSTAR mlhs_node tCOMMA mlhs_post + { + result = val[0]. + push(@builder.splat(val[1], val[2])). + concat(val[4]) + } + | mlhs_head tSTAR + { + result = val[0]. + push(@builder.splat(val[1])) + } + | mlhs_head tSTAR tCOMMA mlhs_post + { + result = val[0]. + push(@builder.splat(val[1])). + concat(val[3]) + } + | tSTAR mlhs_node + { + result = [ @builder.splat(val[0], val[1]) ] + } + | tSTAR mlhs_node tCOMMA mlhs_post + { + result = [ @builder.splat(val[0], val[1]), + *val[3] ] + } + | tSTAR + { + result = [ @builder.splat(val[0]) ] + } + | tSTAR tCOMMA mlhs_post + { + result = [ @builder.splat(val[0]), + *val[2] ] + } + + mlhs_item: mlhs_node + | tLPAREN mlhs_inner rparen + { + result = @builder.begin(val[0], val[1], val[2]) + } + + mlhs_head: mlhs_item tCOMMA + { + result = [ val[0] ] + } + | mlhs_head mlhs_item tCOMMA + { + result = val[0] << val[1] + } + + mlhs_post: mlhs_item + { + result = [ val[0] ] + } + | mlhs_post tCOMMA mlhs_item + { + result = val[0] << val[2] + } + + mlhs_node: user_variable + { + result = @builder.assignable(val[0]) + } + | keyword_variable + { + result = @builder.assignable(val[0]) + } + | primary_value tLBRACK2 opt_call_args rbracket + { + result = @builder.index_asgn(val[0], val[1], val[2], val[3]) + } + | primary_value tDOT tIDENTIFIER + { + result = @builder.attr_asgn(val[0], val[1], val[2]) + } + | primary_value tCOLON2 tIDENTIFIER + { + result = @builder.attr_asgn(val[0], val[1], val[2]) + } + | primary_value tDOT tCONSTANT + { + result = @builder.attr_asgn(val[0], val[1], val[2]) + } + | primary_value tCOLON2 tCONSTANT + { + result = @builder.assignable( + @builder.const_fetch(val[0], val[1], val[2])) + } + | tCOLON3 tCONSTANT + { + result = @builder.assignable( + @builder.const_global(val[0], val[1])) + } + | backref + { + result = @builder.assignable(val[0]) + } + + lhs: user_variable + { + result = @builder.assignable(val[0]) + } + | keyword_variable + { + result = @builder.assignable(val[0]) + } + | primary_value tLBRACK2 opt_call_args rbracket + { + result = @builder.index_asgn(val[0], val[1], val[2], val[3]) + } + | primary_value tDOT tIDENTIFIER + { + result = @builder.attr_asgn(val[0], val[1], val[2]) + } + | primary_value tCOLON2 tIDENTIFIER + { + result = @builder.attr_asgn(val[0], val[1], val[2]) + } + | primary_value tDOT tCONSTANT + { + result = @builder.attr_asgn(val[0], val[1], val[2]) + } + | primary_value tCOLON2 tCONSTANT + { + result = @builder.assignable( + @builder.const_fetch(val[0], val[1], val[2])) + } + | tCOLON3 tCONSTANT + { + result = @builder.assignable( + @builder.const_global(val[0], val[1])) + } + | backref + { + result = @builder.assignable(val[0]) + } + + cname: tIDENTIFIER + { + diagnostic :error, :module_name_const, nil, val[0] + } + | tCONSTANT + + cpath: tCOLON3 cname + { + result = @builder.const_global(val[0], val[1]) + } + | cname + { + result = @builder.const(val[0]) + } + | primary_value tCOLON2 cname + { + result = @builder.const_fetch(val[0], val[1], val[2]) + } + + fname: tIDENTIFIER | tCONSTANT | tFID + | op + | reswords + + fsym: fname + { + result = @builder.symbol(val[0]) + } + | symbol + + fitem: fsym + | dsym + + undef_list: fitem + { + result = [ val[0] ] + } + | undef_list tCOMMA + { + @lexer.state = :expr_fname + } + fitem + { + result = val[0] << val[3] + } + + op: tPIPE | tCARET | tAMPER2 | tCMP | tEQ | tEQQ + | tMATCH | tNMATCH | tGT | tGEQ | tLT | tLEQ + | tNEQ | tLSHFT | tRSHFT | tPLUS | tMINUS | tSTAR2 + | tSTAR | tDIVIDE | tPERCENT | tPOW | tBANG | tTILDE + | tUPLUS | tUMINUS | tAREF | tASET | tDSTAR | tBACK_REF2 + + reswords: k__LINE__ | k__FILE__ | k__ENCODING__ | klBEGIN | klEND + | kALIAS | kAND | kBEGIN | kBREAK | kCASE + | kCLASS | kDEF | kDEFINED | kDO | kELSE + | kELSIF | kEND | kENSURE | kFALSE | kFOR + | kIN | kMODULE | kNEXT | kNIL | kNOT + | kOR | kREDO | kRESCUE | kRETRY | kRETURN + | kSELF | kSUPER | kTHEN | kTRUE | kUNDEF + | kWHEN | kYIELD | kIF | kUNLESS | kWHILE + | kUNTIL + + arg: lhs tEQL arg + { + result = @builder.assign(val[0], val[1], val[2]) + } + | lhs tEQL arg kRESCUE_MOD arg + { + rescue_body = @builder.rescue_body(val[3], + nil, nil, nil, + nil, val[4]) + + rescue_ = @builder.begin_body(val[2], [ rescue_body ]) + + result = @builder.assign(val[0], val[1], rescue_) + } + | var_lhs tOP_ASGN arg + { + result = @builder.op_assign(val[0], val[1], val[2]) + } + | var_lhs tOP_ASGN arg kRESCUE_MOD arg + { + rescue_body = @builder.rescue_body(val[3], + nil, nil, nil, + nil, val[4]) + + rescue_ = @builder.begin_body(val[2], [ rescue_body ]) + + result = @builder.op_assign(val[0], val[1], rescue_) + } + | primary_value tLBRACK2 opt_call_args rbracket tOP_ASGN arg + { + result = @builder.op_assign( + @builder.index( + val[0], val[1], val[2], val[3]), + val[4], val[5]) + } + | primary_value tDOT tIDENTIFIER tOP_ASGN arg + { + result = @builder.op_assign( + @builder.call_method( + val[0], val[1], val[2]), + val[3], val[4]) + } + | primary_value tDOT tCONSTANT tOP_ASGN arg + { + result = @builder.op_assign( + @builder.call_method( + val[0], val[1], val[2]), + val[3], val[4]) + } + | primary_value tCOLON2 tIDENTIFIER tOP_ASGN arg + { + result = @builder.op_assign( + @builder.call_method( + val[0], val[1], val[2]), + val[3], val[4]) + } + | primary_value tCOLON2 tCONSTANT tOP_ASGN arg + { + const = @builder.const_op_assignable( + @builder.const_fetch(val[0], val[1], val[2])) + result = @builder.op_assign(const, val[3], val[4]) + } + | tCOLON3 tCONSTANT tOP_ASGN arg + { + const = @builder.const_op_assignable( + @builder.const_global(val[0], val[1])) + result = @builder.op_assign(const, val[2], val[3]) + } + | backref tOP_ASGN arg + { + result = @builder.op_assign(val[0], val[1], val[2]) + } + | arg tDOT2 arg + { + result = @builder.range_inclusive(val[0], val[1], val[2]) + } + | arg tDOT3 arg + { + result = @builder.range_exclusive(val[0], val[1], val[2]) + } + | arg tPLUS arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tMINUS arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tSTAR2 arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tDIVIDE arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tPERCENT arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tPOW arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | tUMINUS_NUM simple_numeric tPOW arg + { + result = @builder.unary_op(val[0], + @builder.binary_op( + val[1], val[2], val[3])) + } + | tUPLUS arg + { + result = @builder.unary_op(val[0], val[1]) + } + | tUMINUS arg + { + result = @builder.unary_op(val[0], val[1]) + } + | arg tPIPE arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tCARET arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tAMPER2 arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tCMP arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tGT arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tGEQ arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tLT arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tLEQ arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tEQ arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tEQQ arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tNEQ arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tMATCH arg + { + result = @builder.match_op(val[0], val[1], val[2]) + } + | arg tNMATCH arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | tBANG arg + { + result = @builder.not_op(val[0], nil, val[1], nil) + } + | tTILDE arg + { + result = @builder.unary_op(val[0], val[1]) + } + | arg tLSHFT arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tRSHFT arg + { + result = @builder.binary_op(val[0], val[1], val[2]) + } + | arg tANDOP arg + { + result = @builder.logical_op(:and, val[0], val[1], val[2]) + } + | arg tOROP arg + { + result = @builder.logical_op(:or, val[0], val[1], val[2]) + } + | kDEFINED opt_nl arg + { + result = @builder.keyword_cmd(:defined?, val[0], nil, [ val[2] ], nil) + } + + | arg tEH arg opt_nl tCOLON arg + { + result = @builder.ternary(val[0], val[1], + val[2], val[4], val[5]) + } + | primary + + arg_value: arg + + aref_args: none + | args trailer + | args tCOMMA assocs trailer + { + result = val[0] << @builder.associate(nil, val[2], nil) + } + | assocs trailer + { + result = [ @builder.associate(nil, val[0], nil) ] + } + + paren_args: tLPAREN2 opt_call_args rparen + { + result = val + } + + opt_paren_args: # nothing + { + result = [ nil, [], nil ] + } + | paren_args + + opt_call_args: # nothing + { + result = [] + } + | call_args + | args tCOMMA + | args tCOMMA assocs tCOMMA + { + result = val[0] << @builder.associate(nil, val[2], nil) + } + | assocs tCOMMA + { + result = [ @builder.associate(nil, val[0], nil) ] + } + + call_args: command + { + result = [ val[0] ] + } + | args opt_block_arg + { + result = val[0].concat(val[1]) + } + | assocs opt_block_arg + { + result = [ @builder.associate(nil, val[0], nil) ] + result.concat(val[1]) + } + | args tCOMMA assocs opt_block_arg + { + assocs = @builder.associate(nil, val[2], nil) + result = val[0] << assocs + result.concat(val[3]) + } + | block_arg + { + result = [ val[0] ] + } + + command_args: { + result = @lexer.cmdarg.dup + @lexer.cmdarg.push(true) + } + call_args + { + @lexer.cmdarg = val[0] + + result = val[1] + } + + block_arg: tAMPER arg_value + { + result = @builder.block_pass(val[0], val[1]) + } + + opt_block_arg: tCOMMA block_arg + { + result = [ val[1] ] + } + | # nothing + { + result = [] + } + + args: arg_value + { + result = [ val[0] ] + } + | tSTAR arg_value + { + result = [ @builder.splat(val[0], val[1]) ] + } + | args tCOMMA arg_value + { + result = val[0] << val[2] + } + | args tCOMMA tSTAR arg_value + { + result = val[0] << @builder.splat(val[2], val[3]) + } + + mrhs_arg: mrhs + { + result = @builder.array(nil, val[0], nil) + } + | arg_value + + mrhs: args tCOMMA arg_value + { + result = val[0] << val[2] + } + | args tCOMMA tSTAR arg_value + { + result = val[0] << @builder.splat(val[2], val[3]) + } + | tSTAR arg_value + { + result = [ @builder.splat(val[0], val[1]) ] + } + + primary: literal + | strings + | xstring + | regexp + | words + | qwords + | symbols + | qsymbols + | var_ref + | backref + | tFID + { + result = @builder.call_method(nil, nil, val[0]) + } + | kBEGIN + { + result = @lexer.cmdarg.dup + @lexer.cmdarg.clear + } + bodystmt kEND + { + @lexer.cmdarg = val[1] + + result = @builder.begin_keyword(val[0], val[2], val[3]) + } + | tLPAREN_ARG + { + result = @lexer.cmdarg.dup + @lexer.cmdarg.clear + } + expr + { + @lexer.state = :expr_endarg + } + opt_nl tRPAREN + { + @lexer.cmdarg = val[1] + + result = @builder.begin(val[0], val[2], val[5]) + } + | tLPAREN_ARG + { + @lexer.state = :expr_endarg + } + opt_nl tRPAREN + { + result = @builder.begin(val[0], nil, val[3]) + } + | tLPAREN compstmt tRPAREN + { + result = @builder.begin(val[0], val[1], val[2]) + } + | primary_value tCOLON2 tCONSTANT + { + result = @builder.const_fetch(val[0], val[1], val[2]) + } + | tCOLON3 tCONSTANT + { + result = @builder.const_global(val[0], val[1]) + } + | tLBRACK aref_args tRBRACK + { + result = @builder.array(val[0], val[1], val[2]) + } + | tLBRACE assoc_list tRCURLY + { + result = @builder.associate(val[0], val[1], val[2]) + } + | kRETURN + { + result = @builder.keyword_cmd(:return, val[0]) + } + | kYIELD tLPAREN2 call_args rparen + { + result = @builder.keyword_cmd(:yield, val[0], val[1], val[2], val[3]) + } + | kYIELD tLPAREN2 rparen + { + result = @builder.keyword_cmd(:yield, val[0], val[1], [], val[2]) + } + | kYIELD + { + result = @builder.keyword_cmd(:yield, val[0]) + } + | kDEFINED opt_nl tLPAREN2 expr rparen + { + result = @builder.keyword_cmd(:defined?, val[0], + val[2], [ val[3] ], val[4]) + } + | kNOT tLPAREN2 expr rparen + { + result = @builder.not_op(val[0], val[1], val[2], val[3]) + } + | kNOT tLPAREN2 rparen + { + result = @builder.not_op(val[0], val[1], nil, val[2]) + } + | fcall brace_block + { + method_call = @builder.call_method(nil, nil, val[0]) + + begin_t, args, body, end_t = val[1] + result = @builder.block(method_call, + begin_t, args, body, end_t) + } + | method_call + | method_call brace_block + { + begin_t, args, body, end_t = val[1] + result = @builder.block(val[0], + begin_t, args, body, end_t) + } + | tLAMBDA lambda + { + lambda_call = @builder.call_lambda(val[0]) + + args, (begin_t, body, end_t) = val[1] + result = @builder.block(lambda_call, + begin_t, args, body, end_t) + } + | kIF expr_value then compstmt if_tail kEND + { + else_t, else_ = val[4] + result = @builder.condition(val[0], val[1], val[2], + val[3], else_t, + else_, val[5]) + } + | kUNLESS expr_value then compstmt opt_else kEND + { + else_t, else_ = val[4] + result = @builder.condition(val[0], val[1], val[2], + else_, else_t, + val[3], val[5]) + } + | kWHILE + { + @lexer.cond.push(true) + } + expr_value do + { + @lexer.cond.pop + } + compstmt kEND + { + result = @builder.loop(:while, val[0], val[2], val[3], + val[5], val[6]) + } + | kUNTIL + { + @lexer.cond.push(true) + } + expr_value do + { + @lexer.cond.pop + } + compstmt kEND + { + result = @builder.loop(:until, val[0], val[2], val[3], + val[5], val[6]) + } + | kCASE expr_value opt_terms case_body kEND + { + *when_bodies, (else_t, else_body) = *val[3] + + result = @builder.case(val[0], val[1], + when_bodies, else_t, else_body, + val[4]) + } + | kCASE opt_terms case_body kEND + { + *when_bodies, (else_t, else_body) = *val[2] + + result = @builder.case(val[0], nil, + when_bodies, else_t, else_body, + val[3]) + } + | kFOR for_var kIN + { + @lexer.cond.push(true) + } + expr_value do + { + @lexer.cond.pop + } + compstmt kEND + { + result = @builder.for(val[0], val[1], + val[2], val[4], + val[5], val[7], val[8]) + } + | kCLASS cpath superclass + { + @static_env.extend_static + @lexer.push_cmdarg + } + bodystmt kEND + { + if in_def? + diagnostic :error, :class_in_def, nil, val[0] + end + + lt_t, superclass = val[2] + result = @builder.def_class(val[0], val[1], + lt_t, superclass, + val[4], val[5]) + + @lexer.pop_cmdarg + @static_env.unextend + } + | kCLASS tLSHFT expr term + { + result = @def_level + @def_level = 0 + + @static_env.extend_static + @lexer.push_cmdarg + } + bodystmt kEND + { + result = @builder.def_sclass(val[0], val[1], val[2], + val[5], val[6]) + + @lexer.pop_cmdarg + @static_env.unextend + + @def_level = val[4] + } + | kMODULE cpath + { + @static_env.extend_static + @lexer.push_cmdarg + } + bodystmt kEND + { + if in_def? + diagnostic :error, :module_in_def, nil, val[0] + end + + result = @builder.def_module(val[0], val[1], + val[3], val[4]) + + @lexer.pop_cmdarg + @static_env.unextend + } + | kDEF fname + { + @def_level += 1 + @static_env.extend_static + @lexer.push_cmdarg + } + f_arglist bodystmt kEND + { + result = @builder.def_method(val[0], val[1], + val[3], val[4], val[5]) + + @lexer.pop_cmdarg + @static_env.unextend + @def_level -= 1 + } + | kDEF singleton dot_or_colon + { + @lexer.state = :expr_fname + } + fname + { + @def_level += 1 + @static_env.extend_static + @lexer.push_cmdarg + } + f_arglist bodystmt kEND + { + result = @builder.def_singleton(val[0], val[1], val[2], + val[4], val[6], val[7], val[8]) + + @lexer.pop_cmdarg + @static_env.unextend + @def_level -= 1 + } + | kBREAK + { + result = @builder.keyword_cmd(:break, val[0]) + } + | kNEXT + { + result = @builder.keyword_cmd(:next, val[0]) + } + | kREDO + { + result = @builder.keyword_cmd(:redo, val[0]) + } + | kRETRY + { + result = @builder.keyword_cmd(:retry, val[0]) + } + + primary_value: primary + + then: term + | kTHEN + | term kTHEN + { + result = val[1] + } + + do: term + | kDO_COND + + if_tail: opt_else + | kELSIF expr_value then compstmt if_tail + { + else_t, else_ = val[4] + result = [ val[0], + @builder.condition(val[0], val[1], val[2], + val[3], else_t, + else_, nil), + ] + } + + opt_else: none + | kELSE compstmt + { + result = val + } + + for_var: lhs + | mlhs + + f_marg: f_norm_arg + { + result = @builder.arg(val[0]) + } + | tLPAREN f_margs rparen + { + result = @builder.multi_lhs(val[0], val[1], val[2]) + } + + f_marg_list: f_marg + { + result = [ val[0] ] + } + | f_marg_list tCOMMA f_marg + { + result = val[0] << val[2] + } + + f_margs: f_marg_list + | f_marg_list tCOMMA tSTAR f_norm_arg + { + result = val[0]. + push(@builder.restarg(val[2], val[3])) + } + | f_marg_list tCOMMA tSTAR f_norm_arg tCOMMA f_marg_list + { + result = val[0]. + push(@builder.restarg(val[2], val[3])). + concat(val[5]) + } + | f_marg_list tCOMMA tSTAR + { + result = val[0]. + push(@builder.restarg(val[2])) + } + | f_marg_list tCOMMA tSTAR tCOMMA f_marg_list + { + result = val[0]. + push(@builder.restarg(val[2])). + concat(val[4]) + } + | tSTAR f_norm_arg + { + result = [ @builder.restarg(val[0], val[1]) ] + } + | tSTAR f_norm_arg tCOMMA f_marg_list + { + result = [ @builder.restarg(val[0], val[1]), + *val[3] ] + } + | tSTAR + { + result = [ @builder.restarg(val[0]) ] + } + | tSTAR tCOMMA f_marg_list + { + result = [ @builder.restarg(val[0]), + *val[2] ] + } + + block_args_tail: f_block_kwarg tCOMMA f_kwrest opt_f_block_arg + { + result = val[0].concat(val[2]).concat(val[3]) + } + | f_block_kwarg opt_f_block_arg + { + result = val[0].concat(val[1]) + } + | f_kwrest opt_f_block_arg + { + result = val[0].concat(val[1]) + } + | f_block_arg + { + result = [ val[0] ] + } + +opt_block_args_tail: + tCOMMA block_args_tail + { + result = val[1] + } + | # nothing + { + result = [] + } + + block_param: f_arg tCOMMA f_block_optarg tCOMMA f_rest_arg opt_block_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[4]). + concat(val[5]) + } + | f_arg tCOMMA f_block_optarg tCOMMA f_rest_arg tCOMMA f_arg opt_block_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[4]). + concat(val[6]). + concat(val[7]) + } + | f_arg tCOMMA f_block_optarg opt_block_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[3]) + } + | f_arg tCOMMA f_block_optarg tCOMMA f_arg opt_block_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[4]). + concat(val[5]) + } + | f_arg tCOMMA f_rest_arg opt_block_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[3]) + } + | f_arg tCOMMA + | f_arg tCOMMA f_rest_arg tCOMMA f_arg opt_block_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[4]). + concat(val[5]) + } + | f_arg opt_block_args_tail + { + result = val[0].concat(val[1]) + } + | f_block_optarg tCOMMA f_rest_arg opt_block_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[3]) + } + | f_block_optarg tCOMMA f_rest_arg tCOMMA f_arg opt_block_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[4]). + concat(val[5]) + } + | f_block_optarg opt_block_args_tail + { + result = val[0]. + concat(val[1]) + } + | f_block_optarg tCOMMA f_arg opt_block_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[3]) + } + | f_rest_arg opt_block_args_tail + { + result = val[0]. + concat(val[1]) + } + | f_rest_arg tCOMMA f_arg opt_block_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[3]) + } + | block_args_tail + + opt_block_param: # nothing + { + result = @builder.args(nil, [], nil) + } + | block_param_def + { + @lexer.state = :expr_value + } + + block_param_def: tPIPE opt_bv_decl tPIPE + { + result = @builder.args(val[0], val[1], val[2]) + } + | tOROP + { + result = @builder.args(val[0], [], val[0]) + } + | tPIPE block_param opt_bv_decl tPIPE + { + result = @builder.args(val[0], val[1].concat(val[2]), val[3]) + } + + opt_bv_decl: opt_nl + { + result = [] + } + | opt_nl tSEMI bv_decls opt_nl + { + result = val[2] + } + + bv_decls: bvar + { + result = [ val[0] ] + } + | bv_decls tCOMMA bvar + { + result = val[0] << val[2] + } + + bvar: tIDENTIFIER + { + result = @builder.shadowarg(val[0]) + } + | f_bad_arg + + lambda: { + @static_env.extend_dynamic + } + f_larglist + { + result = @lexer.cmdarg.dup + @lexer.cmdarg.clear + } + lambda_body + { + @lexer.cmdarg = val[2] + @lexer.cmdarg.lexpop + + result = [ val[1], val[3] ] + + @static_env.unextend + } + + f_larglist: tLPAREN2 f_args opt_bv_decl tRPAREN + { + result = @builder.args(val[0], val[1].concat(val[2]), val[3]) + } + | f_args + { + result = @builder.args(nil, val[0], nil) + } + + lambda_body: tLAMBEG compstmt tRCURLY + { + result = [ val[0], val[1], val[2] ] + } + | kDO_LAMBDA compstmt kEND + { + result = [ val[0], val[1], val[2] ] + } + + do_block: kDO_BLOCK + { + @static_env.extend_dynamic + } + opt_block_param compstmt kEND + { + result = [ val[0], val[2], val[3], val[4] ] + + @static_env.unextend + } + + block_call: command do_block + { + begin_t, block_args, body, end_t = val[1] + result = @builder.block(val[0], + begin_t, block_args, body, end_t) + } + | block_call dot_or_colon operation2 opt_paren_args + { + lparen_t, args, rparen_t = val[3] + result = @builder.call_method(val[0], val[1], val[2], + lparen_t, args, rparen_t) + } + | block_call dot_or_colon operation2 opt_paren_args brace_block + { + lparen_t, args, rparen_t = val[3] + method_call = @builder.call_method(val[0], val[1], val[2], + lparen_t, args, rparen_t) + + begin_t, args, body, end_t = val[4] + result = @builder.block(method_call, + begin_t, args, body, end_t) + } + | block_call dot_or_colon operation2 command_args do_block + { + method_call = @builder.call_method(val[0], val[1], val[2], + nil, val[3], nil) + + begin_t, args, body, end_t = val[4] + result = @builder.block(method_call, + begin_t, args, body, end_t) + } + + method_call: fcall paren_args + { + lparen_t, args, rparen_t = val[1] + result = @builder.call_method(nil, nil, val[0], + lparen_t, args, rparen_t) + } + | primary_value tDOT operation2 opt_paren_args + { + lparen_t, args, rparen_t = val[3] + result = @builder.call_method(val[0], val[1], val[2], + lparen_t, args, rparen_t) + } + | primary_value tCOLON2 operation2 paren_args + { + lparen_t, args, rparen_t = val[3] + result = @builder.call_method(val[0], val[1], val[2], + lparen_t, args, rparen_t) + } + | primary_value tCOLON2 operation3 + { + result = @builder.call_method(val[0], val[1], val[2]) + } + | primary_value tDOT paren_args + { + lparen_t, args, rparen_t = val[2] + result = @builder.call_method(val[0], val[1], nil, + lparen_t, args, rparen_t) + } + | primary_value tCOLON2 paren_args + { + lparen_t, args, rparen_t = val[2] + result = @builder.call_method(val[0], val[1], nil, + lparen_t, args, rparen_t) + } + | kSUPER paren_args + { + lparen_t, args, rparen_t = val[1] + result = @builder.keyword_cmd(:super, val[0], + lparen_t, args, rparen_t) + } + | kSUPER + { + result = @builder.keyword_cmd(:zsuper, val[0]) + } + | primary_value tLBRACK2 opt_call_args rbracket + { + result = @builder.index(val[0], val[1], val[2], val[3]) + } + + brace_block: tLCURLY + { + @static_env.extend_dynamic + } + opt_block_param compstmt tRCURLY + { + result = [ val[0], val[2], val[3], val[4] ] + + @static_env.unextend + } + | kDO + { + @static_env.extend_dynamic + } + opt_block_param compstmt kEND + { + result = [ val[0], val[2], val[3], val[4] ] + + @static_env.unextend + } + + case_body: kWHEN args then compstmt cases + { + result = [ @builder.when(val[0], val[1], val[2], val[3]), + *val[4] ] + } + + cases: opt_else + { + result = [ val[0] ] + } + | case_body + + opt_rescue: kRESCUE exc_list exc_var then compstmt opt_rescue + { + assoc_t, exc_var = val[2] + + if val[1] + exc_list = @builder.array(nil, val[1], nil) + end + + result = [ @builder.rescue_body(val[0], + exc_list, assoc_t, exc_var, + val[3], val[4]), + *val[5] ] + } + | + { + result = [] + } + + exc_list: arg_value + { + result = [ val[0] ] + } + | mrhs + | none + + exc_var: tASSOC lhs + { + result = [ val[0], val[1] ] + } + | none + + opt_ensure: kENSURE compstmt + { + result = [ val[0], val[1] ] + } + | none + + literal: numeric + | symbol + | dsym + + strings: string + { + result = @builder.string_compose(nil, val[0], nil) + } + + string: string1 + { + result = [ val[0] ] + } + | string string1 + { + result = val[0] << val[1] + } + + string1: tSTRING_BEG string_contents tSTRING_END + { + result = @builder.string_compose(val[0], val[1], val[2]) + } + | tSTRING + { + result = @builder.string(val[0]) + } + | tCHARACTER + { + result = @builder.character(val[0]) + } + + xstring: tXSTRING_BEG xstring_contents tSTRING_END + { + result = @builder.xstring_compose(val[0], val[1], val[2]) + } + + regexp: tREGEXP_BEG regexp_contents tSTRING_END tREGEXP_OPT + { + opts = @builder.regexp_options(val[3]) + result = @builder.regexp_compose(val[0], val[1], val[2], opts) + } + + words: tWORDS_BEG word_list tSTRING_END + { + result = @builder.words_compose(val[0], val[1], val[2]) + } + + word_list: # nothing + { + result = [] + } + | word_list word tSPACE + { + result = val[0] << @builder.word(val[1]) + } + + word: string_content + { + result = [ val[0] ] + } + | word string_content + { + result = val[0] << val[1] + } + + symbols: tSYMBOLS_BEG symbol_list tSTRING_END + { + result = @builder.symbols_compose(val[0], val[1], val[2]) + } + + symbol_list: # nothing + { + result = [] + } + | symbol_list word tSPACE + { + result = val[0] << @builder.word(val[1]) + } + + qwords: tQWORDS_BEG qword_list tSTRING_END + { + result = @builder.words_compose(val[0], val[1], val[2]) + } + + qsymbols: tQSYMBOLS_BEG qsym_list tSTRING_END + { + result = @builder.symbols_compose(val[0], val[1], val[2]) + } + + qword_list: # nothing + { + result = [] + } + | qword_list tSTRING_CONTENT tSPACE + { + result = val[0] << @builder.string_internal(val[1]) + } + + qsym_list: # nothing + { + result = [] + } + | qsym_list tSTRING_CONTENT tSPACE + { + result = val[0] << @builder.symbol_internal(val[1]) + } + + string_contents: # nothing + { + result = [] + } + | string_contents string_content + { + result = val[0] << val[1] + } + +xstring_contents: # nothing + { + result = [] + } + | xstring_contents string_content + { + result = val[0] << val[1] + } + +regexp_contents: # nothing + { + result = [] + } + | regexp_contents string_content + { + result = val[0] << val[1] + } + + string_content: tSTRING_CONTENT + { + result = @builder.string_internal(val[0]) + } + | tSTRING_DVAR string_dvar + { + result = val[1] + } + | tSTRING_DBEG + { + @lexer.cond.push(false) + @lexer.cmdarg.push(false) + } + compstmt tSTRING_DEND + { + @lexer.cond.lexpop + @lexer.cmdarg.lexpop + + result = @builder.begin(val[0], val[2], val[3]) + } + + string_dvar: tGVAR + { + result = @builder.gvar(val[0]) + } + | tIVAR + { + result = @builder.ivar(val[0]) + } + | tCVAR + { + result = @builder.cvar(val[0]) + } + | backref + + + symbol: tSYMBOL + { + result = @builder.symbol(val[0]) + } + + dsym: tSYMBEG xstring_contents tSTRING_END + { + result = @builder.symbol_compose(val[0], val[1], val[2]) + } + + numeric: simple_numeric + { + result = val[0] + } + | tUMINUS_NUM simple_numeric =tLOWEST + { + result = @builder.negate(val[0], val[1]) + } + + simple_numeric: tINTEGER + { + result = @builder.integer(val[0]) + } + | tFLOAT + { + result = @builder.float(val[0]) + } + | tRATIONAL + { + result = @builder.rational(val[0]) + } + | tIMAGINARY + { + result = @builder.complex(val[0]) + } + + user_variable: tIDENTIFIER + { + result = @builder.ident(val[0]) + } + | tIVAR + { + result = @builder.ivar(val[0]) + } + | tGVAR + { + result = @builder.gvar(val[0]) + } + | tCONSTANT + { + result = @builder.const(val[0]) + } + | tCVAR + { + result = @builder.cvar(val[0]) + } + +keyword_variable: kNIL + { + result = @builder.nil(val[0]) + } + | kSELF + { + result = @builder.self(val[0]) + } + | kTRUE + { + result = @builder.true(val[0]) + } + | kFALSE + { + result = @builder.false(val[0]) + } + | k__FILE__ + { + result = @builder.__FILE__(val[0]) + } + | k__LINE__ + { + result = @builder.__LINE__(val[0]) + } + | k__ENCODING__ + { + result = @builder.__ENCODING__(val[0]) + } + + var_ref: user_variable + { + result = @builder.accessible(val[0]) + } + | keyword_variable + { + result = @builder.accessible(val[0]) + } + + var_lhs: user_variable + { + result = @builder.assignable(val[0]) + } + | keyword_variable + { + result = @builder.assignable(val[0]) + } + + backref: tNTH_REF + { + result = @builder.nth_ref(val[0]) + } + | tBACK_REF + { + result = @builder.back_ref(val[0]) + } + + superclass: term + { + result = nil + } + | tLT + { + @lexer.state = :expr_value + } + expr_value term + { + result = [ val[0], val[2] ] + } + | error term + { + yyerrok + result = nil + } + + f_arglist: tLPAREN2 f_args rparen + { + result = @builder.args(val[0], val[1], val[2]) + + @lexer.state = :expr_value + } + | { + result = @lexer.in_kwarg + @lexer.in_kwarg = true + } + f_args term + { + @lexer.in_kwarg = val[0] + result = @builder.args(nil, val[1], nil) + } + + + args_tail: f_kwarg tCOMMA f_kwrest opt_f_block_arg + { + result = val[0].concat(val[2]).concat(val[3]) + } + | f_kwarg opt_f_block_arg + { + result = val[0].concat(val[1]) + } + | f_kwrest opt_f_block_arg + { + result = val[0].concat(val[1]) + } + | f_block_arg + { + result = [ val[0] ] + } + + opt_args_tail: tCOMMA args_tail + { + result = val[1] + } + | # nothing + { + result = [] + } + + f_args: f_arg tCOMMA f_optarg tCOMMA f_rest_arg opt_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[4]). + concat(val[5]) + } + | f_arg tCOMMA f_optarg tCOMMA f_rest_arg tCOMMA f_arg opt_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[4]). + concat(val[6]). + concat(val[7]) + } + | f_arg tCOMMA f_optarg opt_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[3]) + } + | f_arg tCOMMA f_optarg tCOMMA f_arg opt_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[4]). + concat(val[5]) + } + | f_arg tCOMMA f_rest_arg opt_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[3]) + } + | f_arg tCOMMA f_rest_arg tCOMMA f_arg opt_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[4]). + concat(val[5]) + } + | f_arg opt_args_tail + { + result = val[0]. + concat(val[1]) + } + | f_optarg tCOMMA f_rest_arg opt_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[3]) + } + | f_optarg tCOMMA f_rest_arg tCOMMA f_arg opt_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[4]). + concat(val[5]) + } + | f_optarg opt_args_tail + { + result = val[0]. + concat(val[1]) + } + | f_optarg tCOMMA f_arg opt_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[3]) + } + | f_rest_arg opt_args_tail + { + result = val[0]. + concat(val[1]) + } + | f_rest_arg tCOMMA f_arg opt_args_tail + { + result = val[0]. + concat(val[2]). + concat(val[3]) + } + | args_tail + { + result = val[0] + } + | # nothing + { + result = [] + } + + f_bad_arg: tCONSTANT + { + diagnostic :error, :argument_const, nil, val[0] + } + | tIVAR + { + diagnostic :error, :argument_ivar, nil, val[0] + } + | tGVAR + { + diagnostic :error, :argument_gvar, nil, val[0] + } + | tCVAR + { + diagnostic :error, :argument_cvar, nil, val[0] + } + + f_norm_arg: f_bad_arg + | tIDENTIFIER + { + @static_env.declare val[0][0] + + result = val[0] + } + + f_arg_item: f_norm_arg + { + result = @builder.arg(val[0]) + } + | tLPAREN f_margs rparen + { + result = @builder.multi_lhs(val[0], val[1], val[2]) + } + + f_arg: f_arg_item + { + result = [ val[0] ] + } + | f_arg tCOMMA f_arg_item + { + result = val[0] << val[2] + } + + f_label: tLABEL + { + check_kwarg_name(val[0]) + + @static_env.declare val[0][0] + + result = val[0] + } + + f_kw: f_label arg_value + { + result = @builder.kwoptarg(val[0], val[1]) + } + | f_label + { + result = @builder.kwarg(val[0]) + } + + f_block_kw: f_label primary_value + { + result = @builder.kwoptarg(val[0], val[1]) + } + | f_label + { + result = @builder.kwarg(val[0]) + } + + f_block_kwarg: f_block_kw + { + result = [ val[0] ] + } + | f_block_kwarg tCOMMA f_block_kw + { + result = val[0] << val[2] + } + + f_kwarg: f_kw + { + result = [ val[0] ] + } + | f_kwarg tCOMMA f_kw + { + result = val[0] << val[2] + } + + kwrest_mark: tPOW | tDSTAR + + f_kwrest: kwrest_mark tIDENTIFIER + { + @static_env.declare val[1][0] + + result = [ @builder.kwrestarg(val[0], val[1]) ] + } + | kwrest_mark + { + result = [ @builder.kwrestarg(val[0]) ] + } + + f_opt: f_norm_arg tEQL arg_value + { + result = @builder.optarg(val[0], val[1], val[2]) + } + + f_block_opt: f_norm_arg tEQL primary_value + { + result = @builder.optarg(val[0], val[1], val[2]) + } + + f_block_optarg: f_block_opt + { + result = [ val[0] ] + } + | f_block_optarg tCOMMA f_block_opt + { + result = val[0] << val[2] + } + + f_optarg: f_opt + { + result = [ val[0] ] + } + | f_optarg tCOMMA f_opt + { + result = val[0] << val[2] + } + + restarg_mark: tSTAR2 | tSTAR + + f_rest_arg: restarg_mark tIDENTIFIER + { + @static_env.declare val[1][0] + + result = [ @builder.restarg(val[0], val[1]) ] + } + | restarg_mark + { + result = [ @builder.restarg(val[0]) ] + } + + blkarg_mark: tAMPER2 | tAMPER + + f_block_arg: blkarg_mark tIDENTIFIER + { + @static_env.declare val[1][0] + + result = @builder.blockarg(val[0], val[1]) + } + + opt_f_block_arg: tCOMMA f_block_arg + { + result = [ val[1] ] + } + | + { + result = [] + } + + singleton: var_ref + | tLPAREN2 expr rparen + { + result = val[1] + } + + assoc_list: # nothing + { + result = [] + } + | assocs trailer + + assocs: assoc + { + result = [ val[0] ] + } + | assocs tCOMMA assoc + { + result = val[0] << val[2] + } + + assoc: arg_value tASSOC arg_value + { + result = @builder.pair(val[0], val[1], val[2]) + } + | tLABEL arg_value + { + result = @builder.pair_keyword(val[0], val[1]) + } + | tDSTAR arg_value + { + result = @builder.kwsplat(val[0], val[1]) + } + + operation: tIDENTIFIER | tCONSTANT | tFID + operation2: tIDENTIFIER | tCONSTANT | tFID | op + operation3: tIDENTIFIER | tFID | op + dot_or_colon: tDOT | tCOLON2 + opt_terms: | terms + opt_nl: | tNL + rparen: opt_nl tRPAREN + { + result = val[1] + } + rbracket: opt_nl tRBRACK + { + result = val[1] + } + trailer: | tNL | tCOMMA + + term: tSEMI + { + yyerrok + } + | tNL + + terms: term + | terms tSEMI + + none: # nothing + { + result = nil + } +end + +---- header + +require 'parser' + +Parser.check_for_encoding_support + +---- inner + + def version + 21 + end + + def default_encoding + Encoding::UTF_8 + end |