# Copyright (c) 2013 Peter Zotov # # 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::MacRuby 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 tPLUS tMINUS tLT tGT tPIPE tBANG tCARET tLCURLY tRCURLY tBACK_REF2 tSYMBEG tSTRING_BEG tXSTRING_BEG tREGEXP_BEG tREGEXP_OPT tWORDS_BEG tQWORDS_BEG tSTRING_DBEG tSTRING_DVAR tSTRING_END tSTRING tSYMBOL tNL tEH tCOLON tCOMMA tSPACE tSEMI tLAMBDA tLAMBEG tCHARACTER 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 { result = [ val[0] ] } | stmts terms stmt { result = val[0] << val[2] } | error stmt { result = [ val[1] ] } 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]) } | lhs tEQL command_call { result = @builder.assign(val[0], val[1], val[2]) } | 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 arg_value { result = @builder.multi_assign(val[0], val[1], val[2]) } | mlhs tEQL mrhs { result = @builder.multi_assign(val[0], val[1], @builder.array(nil, val[2], nil)) } | expr 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 tDOT operation2 command_args { result = @builder.call_method(val[0], val[1], val[2], *val[3]) } | block_call tCOLON2 operation2 command_args { result = @builder.call_method(val[0], val[1], val[2], *val[3]) } 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 } command: operation command_args =tLOWEST { result = @builder.call_method(nil, nil, val[0], *val[1]) } | operation command_args cmd_brace_block { method_call = @builder.call_method(nil, nil, val[0], *val[1]) 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], *val[3]) } | primary_value tDOT operation2 command_args cmd_brace_block { method_call = @builder.call_method(val[0], val[1], val[2], *val[3]) 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], *val[3]) } | primary_value tCOLON2 operation2 command_args cmd_brace_block { method_call = @builder.call_method(val[0], val[1], val[2], *val[3]) 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], *val[1]) } | kYIELD command_args { result = @builder.keyword_cmd(:yield, val[0], *val[1]) } | 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: 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: 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 | 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 { diagnostic :error, :dynamic_const, nil, val[2], [ val[3] ] } | tCOLON3 tCONSTANT tOP_ASGN arg { diagnostic :error, :dynamic_const, nil, val[1], [ val[2] ] } | 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 tINTEGER tPOW arg { result = @builder.unary_op(val[0], @builder.binary_op( @builder.integer(val[1]), val[2], val[3])) } | tUMINUS_NUM tFLOAT tPOW arg { result = @builder.unary_op(val[0], @builder.binary_op( @builder.float(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 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]) } | args tCOMMA assocs tCOMMA args opt_block_arg { val[2][-1] = @builder.objc_varargs(val[2][-1], val[4]) assocs = @builder.associate(nil, val[2], nil) result = val[0] << assocs result.concat(val[5]) } | block_arg { result = [ val[0] ] } call_args2: arg_value tCOMMA args opt_block_arg { result = [ val[0], *val[2].concat(val[3]) ] } | arg_value tCOMMA block_arg { result = [ val[0], val[2] ] } | assocs opt_block_arg { result = [ @builder.associate(nil, val[0], nil), *val[1] ] } | arg_value tCOMMA assocs opt_block_arg { result = [ val[0], @builder.associate(nil, val[2], nil), *val[3] ] } | arg_value tCOMMA args tCOMMA assocs opt_block_arg { result = [ val[0], *val[2]. push(@builder.associate(nil, val[4], nil)). concat(val[5]) ] } | block_arg { result = [ val[0] ] } command_args: { result = @lexer.cmdarg.dup @lexer.cmdarg.push(true) } open_args { @lexer.cmdarg = val[0] result = val[1] } open_args: call_args { result = [ nil, val[0], nil ] } | tLPAREN_ARG { @lexer.state = :expr_endarg } rparen { result = [ val[0], [], val[2] ] } | tLPAREN_ARG call_args2 { @lexer.state = :expr_endarg } rparen { result = [ val[0], val[1], val[3] ] } block_arg: tAMPER arg_value { result = @builder.block_pass(val[0], val[1]) } opt_block_arg: tCOMMA block_arg { result = [ val[1] ] } | tCOMMA { result = [] } | # 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: 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 | var_ref | backref | tFID { result = @builder.call_method(nil, nil, val[0]) } | kBEGIN bodystmt kEND { result = @builder.begin_keyword(val[0], val[1], val[2]) } | tLPAREN_ARG expr { @lexer.state = :expr_endarg } rparen { result = @builder.begin(val[0], val[1], 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]) } | operation 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 | 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.objc_restarg(val[2], val[3])) } | f_marg_list tCOMMA tSTAR f_norm_arg tCOMMA f_marg_list { result = val[0]. push(@builder.objc_restarg(val[2], val[3])). concat(val[5]) } | f_marg_list tCOMMA tSTAR { result = val[0]. push(@builder.objc_restarg(val[2])) } | f_marg_list tCOMMA tSTAR tCOMMA f_marg_list { result = val[0]. push(@builder.objc_restarg(val[2])). concat(val[4]) } | tSTAR f_norm_arg { result = [ @builder.objc_restarg(val[0], val[1]) ] } | tSTAR f_norm_arg tCOMMA f_marg_list { result = [ @builder.objc_restarg(val[0], val[1]), *val[3] ] } | tSTAR { result = [ @builder.objc_restarg(val[0]) ] } | tSTAR tCOMMA f_marg_list { result = [ @builder.objc_restarg(val[0]), *val[2] ] } block_param: f_arg tCOMMA f_block_optarg tCOMMA f_rest_arg opt_f_block_arg { 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_f_block_arg { result = val[0]. concat(val[2]). concat(val[4]). concat(val[6]). concat(val[7]) } | f_arg tCOMMA f_block_optarg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[3]) } | f_arg tCOMMA f_block_optarg tCOMMA f_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[4]). concat(val[5]) } | f_arg tCOMMA f_rest_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[3]) } | f_arg tCOMMA | f_arg tCOMMA f_rest_arg tCOMMA f_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[4]). concat(val[5]) } | f_arg opt_f_block_arg { result = val[0].concat(val[1]) } | f_block_optarg tCOMMA f_rest_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[3]) } | f_block_optarg tCOMMA f_rest_arg tCOMMA f_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[4]). concat(val[5]) } | f_block_optarg opt_f_block_arg { result = val[0]. concat(val[1]) } | f_block_optarg tCOMMA f_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[3]) } | f_rest_arg opt_f_block_arg { result = val[0]. concat(val[1]) } | f_rest_arg tCOMMA f_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[3]) } | f_block_arg { result = [ val[0] ] } 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: # nothing { result = [] } | tSEMI bv_decls { result = val[1] } 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 lambda_body { result = [ val[1], val[2] ] @static_env.unextend } f_larglist: tLPAREN2 f_args opt_bv_decl rparen { 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 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) } | block_call tCOLON2 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) } method_call: operation 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] } qwords: tQWORDS_BEG qword_list tSTRING_END { result = @builder.words_compose(val[0], val[1], val[2]) } qword_list: # nothing { result = [] } | qword_list tSTRING_CONTENT tSPACE { result = val[0] << @builder.string_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 tRCURLY { @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: tINTEGER { result = @builder.integer(val[0]) } | tFLOAT { result = @builder.float(val[0]) } | tUMINUS_NUM tINTEGER =tLOWEST { result = @builder.negate(val[0], @builder.integer(val[1])) } | tUMINUS_NUM tFLOAT =tLOWEST { result = @builder.negate(val[0], @builder.float(val[1])) } 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]) } | 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: variable { result = @builder.accessible(val[0]) } var_lhs: 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 expr_value term { result = [ val[0], val[1] ] } | error term { yyerrok result = nil } f_arglist: tLPAREN2 f_args rparen { result = @builder.args(val[0], val[1], val[2]) @lexer.state = :expr_value } | f_args term { result = @builder.args(nil, val[0], nil) } f_args: f_arg tCOMMA f_optarg tCOMMA f_rest_arg opt_f_block_arg { 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_f_block_arg { result = val[0]. concat(val[2]). concat(val[4]). concat(val[6]). concat(val[7]) } | f_arg tCOMMA f_optarg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[3]) } | f_arg tCOMMA f_optarg tCOMMA f_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[4]). concat(val[5]) } | f_arg tCOMMA f_rest_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[3]) } | f_arg tCOMMA f_rest_arg tCOMMA f_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[4]). concat(val[5]) } | f_arg opt_f_block_arg { result = val[0]. concat(val[1]) } | f_optarg tCOMMA f_rest_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[3]) } | f_optarg tCOMMA f_rest_arg tCOMMA f_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[4]). concat(val[5]) } | f_optarg opt_f_block_arg { result = val[0]. concat(val[1]) } | f_optarg tCOMMA f_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[3]) } | f_rest_arg opt_f_block_arg { result = val[0]. concat(val[1]) } | f_rest_arg tCOMMA f_arg opt_f_block_arg { result = val[0]. concat(val[2]). concat(val[3]) } | f_block_arg { 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 = @builder.arg(val[0]) } | tIDENTIFIER tASSOC tIDENTIFIER { @static_env.declare val[2][0] result = @builder.objc_kwarg(val[0], val[1], val[2]) } | tLABEL tIDENTIFIER { @static_env.declare val[1][0] result = @builder.objc_kwarg(val[0], nil, val[1]) } f_arg_item: f_norm_arg | 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_opt: tIDENTIFIER tEQL arg_value { @static_env.declare val[0][0] result = @builder.optarg(val[0], val[1], val[2]) } f_block_opt: tIDENTIFIER tEQL primary_value { @static_env.declare val[0][0] 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] ] } | # nothing { 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]) } 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 19 # closest released match: v1_9_0_2 end def default_encoding Encoding::BINARY end