# -*- racc -*- class Ruby26Parser 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 tWORDS_BEG tQWORDS_BEG tSTRING_DBEG tSTRING_DVAR tSTRING_END tSTRING tSYMBOL tNL tEH tCOLON tCOMMA tSPACE tSEMI tLAMBDA tLAMBEG tDSTAR tCHAR tSYMBOLS_BEG tQSYMBOLS_BEG tSTRING_DEND tUBANG tRATIONAL tIMAGINARY tLABEL_END tLONELY 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: { self.lexer.lex_state = :expr_beg } top_compstmt { result = new_compstmt val } top_compstmt: top_stmts opt_terms { result = val[0] } top_stmts: none | top_stmt | top_stmts terms top_stmt { result = self.block_append val[0], val[2] } | error top_stmt top_stmt: stmt { result = val[0] # TODO: remove once I have more confidence this is fixed # result.each_of_type :call_args do |s| # debug20 666, s, result # end } | klBEGIN { if (self.in_def || self.in_single > 0) then debug20 1 yyerror "BEGIN in method" end self.env.extend } begin_block { _, _, block = val result = block } begin_block: tLCURLY top_compstmt tRCURLY { _, stmt, _ = val result = new_iter s(:preexe), 0, stmt } bodystmt: compstmt opt_rescue k_else { res = _values[-2] yyerror "else without rescue is useless" unless res } compstmt opt_ensure { body, resc, _, _, els, ens = val result = new_body [body, resc, els, ens] } | compstmt opt_rescue opt_ensure { body, resc, ens = val result = new_body [body, resc, nil, ens] } compstmt: stmts opt_terms { result = new_compstmt val } stmts: none | stmt_or_begin # TODO: newline_node ? | stmts terms stmt_or_begin { result = self.block_append val[0], val[2] } | error stmt { result = val[1] debug20 2, val, result } stmt_or_begin: stmt | klBEGIN { if (self.in_def || self.in_single > 0) then debug20 1 yyerror "BEGIN in method" end self.env.extend } begin_block { _, _, stmt = val result = stmt } stmt: kALIAS fitem { lexer.lex_state = :expr_fname result = self.lexer.lineno } fitem { result = s(:alias, val[1], val[3]).line(val[2]) } | kALIAS tGVAR tGVAR { result = s(:valias, val[1].to_sym, val[2].to_sym) } | kALIAS tGVAR tBACK_REF { result = s(:valias, val[1].to_sym, :"$#{val[2]}") } | kALIAS tGVAR tNTH_REF { yyerror "can't make alias for the number variables" } | kUNDEF undef_list { result = val[1] } | stmt kIF_MOD expr_value { result = new_if val[2], val[0], nil } | stmt kUNLESS_MOD expr_value { result = new_if val[2], nil, val[0] } | stmt kWHILE_MOD expr_value { result = new_while val[0], val[2], true } | stmt kUNTIL_MOD expr_value { result = new_until val[0], val[2], true } | stmt kRESCUE_MOD stmt { body, _, resbody = val result = new_rescue body, new_resbody(s(:array), resbody) } | klEND tLCURLY compstmt tRCURLY { if (self.in_def || self.in_single > 0) then debug20 3 yyerror "END in method; use at_exit" end result = new_iter s(:postexe), 0, val[2] } | command_asgn | mlhs tEQL command_call { result = new_masgn val[0], val[2], :wrap } | lhs tEQL mrhs { result = new_assign val[0], s(:svalue, val[2]) } | mlhs tEQL mrhs_arg { result = new_masgn val[0], val[2] } | expr command_asgn: lhs tEQL command_rhs { result = new_assign val[0], val[2] } # | lhs tEQL command_asgn # { # result = new_assign val[0], val[2] # } | var_lhs tOP_ASGN command_rhs { result = new_op_asgn val } | primary_value tLBRACK2 opt_call_args rbracket tOP_ASGN command_rhs { result = s(:op_asgn1, val[0], val[2], val[4].to_sym, val[5]) } | primary_value call_op tIDENTIFIER tOP_ASGN command_rhs { result = s(:op_asgn, val[0], val[4], val[2].to_sym, val[3].to_sym) if val[1] == '&.' result.sexp_type = :safe_op_asgn end result.line = val[0].line } | primary_value call_op tCONSTANT tOP_ASGN command_rhs { result = s(:op_asgn, val[0], val[4], val[2].to_sym, val[3].to_sym) if val[1] == '&.' result.sexp_type = :safe_op_asgn end result.line = val[0].line } | primary_value tCOLON2 tCONSTANT tOP_ASGN command_rhs { result = s(:op_asgn, val[0], val[4], val[2], val[3]) debug20 4, val, result } | primary_value tCOLON2 tIDENTIFIER tOP_ASGN command_rhs { result = s(:op_asgn, val[0], val[4], val[2], val[3]) debug20 5, val, result } | backref tOP_ASGN command_rhs { self.backref_assign_error val[0] } command_rhs: command_call =tOP_ASGN { expr, = val result = value_expr expr } | command_call kRESCUE_MOD stmt { expr, _, resbody = val expr = value_expr expr result = new_rescue(expr, new_resbody(s(:array), resbody)) } | command_asgn expr: command_call | expr kAND expr { result = logical_op :and, val[0], val[2] } | expr kOR expr { result = logical_op :or, val[0], val[2] } | kNOT opt_nl expr { result = s(:call, val[2], :"!") } | tBANG command_call { result = s(:call, val[1], :"!") } | arg expr_value: expr { result = value_expr(val[0]) } expr_value_do: { lexer.cond.push true } expr_value do { lexer.cond.pop } { _, expr, _, _ = val result = expr } command_call: command | block_command block_command: block_call | block_call call_op2 operation2 command_args { result = new_call val[0], val[2].to_sym, val[3] } cmd_brace_block: tLBRACE_ARG { # self.env.extend(:dynamic) result = self.lexer.lineno } brace_body tRCURLY { _, line, body, _ = val result = body result.line = line # self.env.unextend } fcall: operation { result = new_call nil, val[0].to_sym } command: fcall command_args =tLOWEST { result = val[0].concat val[1].sexp_body # REFACTOR pattern } | fcall command_args cmd_brace_block { result = val[0].concat val[1].sexp_body if val[2] then block_dup_check result, val[2] result, operation = val[2], result result.insert 1, operation end } | primary_value call_op operation2 command_args =tLOWEST { result = new_call val[0], val[2].to_sym, val[3], val[1] } | primary_value call_op operation2 command_args cmd_brace_block { recv, _, msg, args, block = val call = new_call recv, msg.to_sym, args, val[1] block_dup_check call, block block.insert 1, call result = block } | primary_value tCOLON2 operation2 command_args =tLOWEST { result = new_call val[0], val[2].to_sym, val[3] } | primary_value tCOLON2 operation2 command_args cmd_brace_block { recv, _, msg, args, block = val call = new_call recv, msg.to_sym, args block_dup_check call, block block.insert 1, call result = block } | kSUPER command_args { result = new_super val[1] } | kYIELD command_args { result = new_yield val[1] } | k_return call_args { line = val[0].last result = s(:return, ret_args(val[1])).line(line) } | kBREAK call_args { line = val[0].last result = s(:break, ret_args(val[1])).line(line) } | kNEXT call_args { line = val[0].last result = s(:next, ret_args(val[1])).line(line) } mlhs: mlhs_basic | tLPAREN mlhs_inner rparen { result = val[1] } mlhs_inner: mlhs_basic | tLPAREN mlhs_inner rparen { result = s(:masgn, s(:array, val[1])) } mlhs_basic: mlhs_head { result = s(:masgn, val[0]) } | mlhs_head mlhs_item { result = s(:masgn, val[0] << val[1].compact) } | mlhs_head tSTAR mlhs_node { result = s(:masgn, val[0] << s(:splat, val[2])) } | mlhs_head tSTAR mlhs_node tCOMMA mlhs_post { ary1, _, splat, _, ary2 = val result = list_append ary1, s(:splat, splat) result.concat ary2.sexp_body result = s(:masgn, result) } | mlhs_head tSTAR { result = s(:masgn, val[0] << s(:splat)) } | mlhs_head tSTAR tCOMMA mlhs_post { ary = list_append val[0], s(:splat) ary.concat val[3].sexp_body result = s(:masgn, ary) } | tSTAR mlhs_node { result = s(:masgn, s(:array, s(:splat, val[1]))) } | tSTAR mlhs_node tCOMMA mlhs_post { ary = s(:array, s(:splat, val[1])) ary.concat val[3].sexp_body result = s(:masgn, ary) } | tSTAR { result = s(:masgn, s(:array, s(:splat))) } | tSTAR tCOMMA mlhs_post { result = s(:masgn, s(:array, s(:splat), *val[2].sexp_body)) } mlhs_item: mlhs_node | tLPAREN mlhs_inner rparen { result = val[1] } mlhs_head: mlhs_item tCOMMA { result = s(:array, val[0]) } | mlhs_head mlhs_item tCOMMA { result = val[0] << val[1].compact } mlhs_post: mlhs_item { result = s(:array, val[0]) } | mlhs_post tCOMMA mlhs_item { result = list_append val[0], val[2] } mlhs_node: user_variable { result = self.assignable val[0] } | keyword_variable { result = self.assignable val[0] } | primary_value tLBRACK2 opt_call_args rbracket { result = self.aryset val[0], val[2] } | primary_value call_op tIDENTIFIER { result = new_attrasgn val[0], val[2], val[1] } | primary_value tCOLON2 tIDENTIFIER { result = s(:attrasgn, val[0], :"#{val[2]}=") } | primary_value call_op tCONSTANT { result = new_attrasgn val[0], val[2], val[1] } | primary_value tCOLON2 tCONSTANT { if (self.in_def || self.in_single > 0) then debug20 7 yyerror "dynamic constant assignment" end result = s(:const, s(:colon2, val[0], val[2].to_sym), nil) } | tCOLON3 tCONSTANT { if (self.in_def || self.in_single > 0) then debug20 8 yyerror "dynamic constant assignment" end result = s(:const, nil, s(:colon3, val[1].to_sym)) } | backref { self.backref_assign_error val[0] } lhs: user_variable { result = self.assignable val[0] } | keyword_variable { result = self.assignable val[0] debug20 9, val, result } | primary_value tLBRACK2 opt_call_args rbracket { result = self.aryset val[0], val[2] } | primary_value call_op tIDENTIFIER # REFACTOR { result = new_attrasgn val[0], val[2], val[1] } | primary_value tCOLON2 tIDENTIFIER { result = s(:attrasgn, val[0], :"#{val[2]}=") } | primary_value call_op tCONSTANT # REFACTOR? { result = new_attrasgn val[0], val[2], val[1] } | primary_value tCOLON2 tCONSTANT { if (self.in_def || self.in_single > 0) then debug20 10 yyerror "dynamic constant assignment" end result = s(:const, s(:colon2, val[0], val[2].to_sym)) } | tCOLON3 tCONSTANT { if (self.in_def || self.in_single > 0) then debug20 11 yyerror "dynamic constant assignment" end result = s(:const, s(:colon3, val[1].to_sym)) } | backref { self.backref_assign_error val[0] } cname: tIDENTIFIER { yyerror "class/module name must be CONSTANT" } | tCONSTANT cpath: tCOLON3 cname { result = s(:colon3, val[1].to_sym) } | cname { result = val[0].to_sym } | primary_value tCOLON2 cname { result = s(:colon2, val[0], val[2].to_sym) } fname: tIDENTIFIER | tCONSTANT | tFID | op { lexer.lex_state = :expr_end result = val[0] } | reswords { (sym, _line), = val lexer.lex_state = :expr_end result = sym } fsym: fname | symbol fitem: fsym { result = s(:lit, val[0].to_sym) } | dsym undef_list: fitem { result = new_undef val[0] } | undef_list tCOMMA { lexer.lex_state = :expr_fname } fitem { result = new_undef 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 | tDSTAR | tBANG | tTILDE | tUPLUS | tUMINUS | tAREF | tASET | tBACK_REF2 | tUBANG 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_rhs { result = new_assign val[0], val[2] } | var_lhs tOP_ASGN arg_rhs { result = new_op_asgn val } | primary_value tLBRACK2 opt_call_args rbracket tOP_ASGN arg_rhs { val[2].sexp_type = :arglist if val[2] result = s(:op_asgn1, val[0], val[2], val[4].to_sym, val[5]) } | primary_value call_op tIDENTIFIER tOP_ASGN arg_rhs { result = new_op_asgn2 val } | primary_value call_op tCONSTANT tOP_ASGN arg_rhs { result = new_op_asgn2 val } | primary_value tCOLON2 tIDENTIFIER tOP_ASGN arg_rhs { result = s(:op_asgn, val[0], val[4], val[2].to_sym, val[3].to_sym) } | primary_value tCOLON2 tCONSTANT tOP_ASGN arg_rhs { # TODO: assignment raise "not yet: %p" % [val] } | tCOLON3 tCONSTANT tOP_ASGN arg_rhs { # TODO: assignment raise "not yet: %p" % [val] } | backref tOP_ASGN arg_rhs { # TODO: lhs = var_field val[0] asgn = new_op_asgn val result = self.backref_assign_error asgn } | arg tDOT2 arg { v1, v2 = val[0], val[2] if v1.node_type == :lit and v2.node_type == :lit and Integer === v1.last and Integer === v2.last then result = s(:lit, (v1.last)..(v2.last)) else result = s(:dot2, v1, v2) end } | arg tDOT3 arg { v1, v2 = val[0], val[2] if v1.node_type == :lit and v2.node_type == :lit and Integer === v1.last and Integer === v2.last then result = s(:lit, (v1.last)...(v2.last)) else result = s(:dot3, v1, v2) end } | arg tDOT2 { v1, v2 = val[0], nil result = s(:dot2, v1, v2) } | arg tDOT3 { v1, v2 = val[0], nil result = s(:dot3, v1, v2) } | arg tPLUS arg { result = new_call val[0], :+, argl(val[2]) } | arg tMINUS arg { result = new_call val[0], :-, argl(val[2]) } | arg tSTAR2 arg # TODO: rename { result = new_call val[0], :*, argl(val[2]) } | arg tDIVIDE arg { result = new_call val[0], :"/", argl(val[2]) } | arg tPERCENT arg { result = new_call val[0], :"%", argl(val[2]) } | arg tPOW arg { result = new_call val[0], :**, argl(val[2]) } | tUMINUS_NUM simple_numeric tPOW arg { result = new_call(new_call(s(:lit, val[1]), :"**", argl(val[3])), :"-@") } | tUPLUS arg { result = new_call val[1], :"+@" } | tUMINUS arg { result = new_call val[1], :"-@" } | arg tPIPE arg { result = new_call val[0], :"|", argl(val[2]) } | arg tCARET arg { result = new_call val[0], :"^", argl(val[2]) } | arg tAMPER2 arg { result = new_call val[0], :"&", argl(val[2]) } | arg tCMP arg { result = new_call val[0], :"<=>", argl(val[2]) } | rel_expr =tCMP | arg tEQ arg { result = new_call val[0], :"==", argl(val[2]) } | arg tEQQ arg { result = new_call val[0], :"===", argl(val[2]) } | arg tNEQ arg { result = new_call val[0], :"!=", argl(val[2]) } | arg tMATCH arg { result = new_match val[0], val[2] } | arg tNMATCH arg { result = s(:not, new_match(val[0], val[2])) } | tBANG arg { result = new_call val[1], :"!" } | tTILDE arg { result = new_call value_expr(val[1]), :"~" } | arg tLSHFT arg { val[0] = value_expr val[0] val[2] = value_expr val[2] result = new_call val[0], :"\<\<", argl(val[2]) } | arg tRSHFT arg { val[0] = value_expr val[0] val[2] = value_expr val[2] result = new_call val[0], :">>", argl(val[2]) } | arg tANDOP arg { result = logical_op :and, val[0], val[2] } | arg tOROP arg { result = logical_op :or, val[0], val[2] } | kDEFINED opt_nl arg { result = s(:defined, val[2]) } | arg tEH arg opt_nl tCOLON arg { result = s(:if, val[0], val[2], val[5]) } | primary relop: tGT | tLT | tGEQ | tLEQ rel_expr: arg relop arg =tGT { lhs, op, rhs = val result = new_call lhs, op.to_sym, argl(rhs) } | rel_expr relop arg =tGT { lhs, op, rhs = val warn "comparison '%s' after comparison", op result = new_call lhs, op.to_sym, argl(rhs) } arg_value: arg { result = value_expr(val[0]) } aref_args: none | args trailer { result = args [val[0]] } | args tCOMMA assocs trailer { result = args [val[0], array_to_hash(val[2])] } | assocs trailer { result = args [array_to_hash(val[0])] } arg_rhs: arg =tOP_ASGN | arg kRESCUE_MOD arg { body, _, resbody = val body = value_expr body resbody = remove_begin resbody result = new_rescue(body, new_resbody(s(:array), resbody)) } paren_args: tLPAREN2 opt_call_args rparen { result = val[1] } opt_paren_args: none | paren_args opt_call_args: none { result = val[0] } | call_args { result = val[0] } | args tCOMMA { result = args val } | args tCOMMA assocs tCOMMA { result = args [val[0], array_to_hash(val[2])] } | assocs tCOMMA { result = args [array_to_hash(val[0])] } call_args: command { warning "parenthesize argument(s) for future version" result = call_args val } | args opt_block_arg { result = call_args val result = self.arg_blk_pass val[0], val[1] } | assocs opt_block_arg { result = call_args [array_to_hash(val[0])] result = self.arg_blk_pass result, val[1] } | args tCOMMA assocs opt_block_arg { result = call_args [val[0], array_to_hash(val[2])] result = self.arg_blk_pass result, val[3] } | block_arg { result = call_args val } command_args: { result = lexer.cmdarg.store true } call_args { lexer.cmdarg.restore val[0] result = val[1] } block_arg: tAMPER arg_value { result = s(:block_pass, val[1]) } opt_block_arg: tCOMMA block_arg { result = val[1] } | none args: arg_value { result = s(:array, val[0]) } | tSTAR arg_value { result = s(:array, s(:splat, val[1])) } | args tCOMMA arg_value { result = self.list_append val[0], val[2] } | args tCOMMA tSTAR arg_value { result = self.list_append val[0], s(:splat, val[3]) } mrhs_arg: mrhs { result = new_masgn_arg val[0] } | arg_value { result = new_masgn_arg val[0], :wrap } mrhs: args tCOMMA arg_value { result = val[0] << val[2] } | args tCOMMA tSTAR arg_value { result = self.arg_concat val[0], val[3] } | tSTAR arg_value { result = s(:splat, val[1]) } primary: literal | strings | xstring | regexp | words | qwords | symbols | qsymbols | var_ref | backref | tFID { result = new_call nil, val[0].to_sym } | k_begin { result = self.lexer.lineno # TODO: # $1 = cmdarg_stack; # CMDARG_SET(0); } bodystmt k_end { # TODO: CMDARG_SET($1); unless val[2] then result = s(:nil) else result = s(:begin, val[2]) end result.line = val[1] } | tLPAREN_ARG rparen { # TODO: lex_state = :expr_endarg in between debug20 13, val, result } | tLPAREN_ARG { result = lexer.cmdarg.store false # result = self.lexer.cmdarg.stack.dup # lexer.cmdarg.stack.replace [false] # TODO add api for these } stmt { lexer.lex_state = :expr_endarg } rparen { _, cmdarg, stmt, _, _, = val warning "(...) interpreted as grouped expression" lexer.cmdarg.restore cmdarg result = stmt } | tLPAREN compstmt tRPAREN { result = val[1] || s(:nil) result.paren = true } | primary_value tCOLON2 tCONSTANT { result = s(:colon2, val[0], val[2].to_sym) } | tCOLON3 tCONSTANT { result = s(:colon3, val[1].to_sym) } | tLBRACK aref_args tRBRACK { result = val[1] || s(:array) result.sexp_type = :array # aref_args is :args } | tLBRACE { result = self.lexer.lineno } assoc_list tRCURLY { result = new_hash val } | k_return { result = s(:return) } | kYIELD tLPAREN2 call_args rparen { result = new_yield val[2] } | kYIELD tLPAREN2 rparen { result = new_yield } | kYIELD { result = new_yield } | kDEFINED opt_nl tLPAREN2 expr rparen { result = s(:defined, val[3]) } | kNOT tLPAREN2 expr rparen { result = s(:call, val[2], :"!") } | kNOT tLPAREN2 rparen { debug20 14, val, result } | fcall brace_block { oper, iter = val[0], val[1] call = oper # FIX iter.insert 1, call result = iter call.line = iter.line } | method_call | method_call brace_block { call, iter = val[0], val[1] block_dup_check call, iter iter.insert 1, call # FIX result = iter } | tLAMBDA lambda { result = val[1] # TODO: fix lineno } | k_if expr_value then compstmt if_tail k_end { _, c, _, t, f, _ = val result = new_if c, t, f } | k_unless expr_value then compstmt opt_else k_end { _, c, _, t, f, _ = val result = new_if c, f, t } | k_while expr_value_do compstmt k_end { _, cond, body, _ = val result = new_while body, cond, true } | k_until expr_value_do compstmt k_end { _, cond, body, _ = val result = new_until body, cond, true } | k_case expr_value opt_terms case_body k_end { (_, line), expr, _, body, _ = val result = new_case expr, body, line } | k_case opt_terms case_body k_end { (_, line), _, body, _ = val result = new_case nil, body, line } | k_for for_var kIN expr_value_do compstmt k_end { _, var, _, iter, body, _ = val result = new_for iter, var, body } | k_class { result = self.lexer.lineno } cpath superclass { self.comments.push self.lexer.comments if (self.in_def || self.in_single > 0) then yyerror "class definition in method body" end self.env.extend } bodystmt k_end { result = new_class val self.env.unextend self.lexer.comments # we don't care about comments in the body } | k_class tLSHFT { result = self.lexer.lineno } expr { result = self.in_def self.in_def = false } term { result = self.in_single self.in_single = 0 self.env.extend } bodystmt k_end { result = new_sclass val self.env.unextend self.lexer.comments # we don't care about comments in the body } | k_module { result = self.lexer.lineno } cpath { self.comments.push self.lexer.comments yyerror "module definition in method body" if self.in_def or self.in_single > 0 self.env.extend } bodystmt k_end { result = new_module val self.env.unextend self.lexer.comments # we don't care about comments in the body } | k_def fname { result = [self.in_def, self.lexer.cmdarg.stack.dup] self.comments.push self.lexer.comments self.in_def = true self.env.extend # TODO: local->cmdargs = cmdarg_stack; # TODO: port local_push_gen and local_pop_gen lexer.cmdarg.stack.replace [false] } f_arglist bodystmt k_end { in_def, cmdarg = val[2] result = new_defn val lexer.cmdarg.stack.replace cmdarg self.env.unextend self.in_def = in_def self.lexer.comments # we don't care about comments in the body } | k_def singleton dot_or_colon { self.comments.push self.lexer.comments lexer.lex_state = :expr_fname } fname { self.in_single += 1 self.env.extend lexer.lex_state = :expr_endfn # force for args result = [lexer.lineno, self.lexer.cmdarg.stack.dup] lexer.cmdarg.stack.replace [false] } f_arglist bodystmt k_end { line, cmdarg = val[5] result = new_defs val result[3].line line lexer.cmdarg.stack.replace cmdarg self.env.unextend self.in_single -= 1 self.lexer.comments # we don't care about comments in the body } | kBREAK { result = s(:break) } | kNEXT { result = s(:next) } | kREDO { result = s(:redo) } | kRETRY { result = s(:retry) } primary_value: primary { result = value_expr(val[0]) } # These are really stupid k_begin: kBEGIN k_if: kIF k_unless: kUNLESS k_while: kWHILE k_until: kUNTIL k_case: kCASE k_for: kFOR k_class: kCLASS k_module: kMODULE k_def: kDEF k_do: kDO k_do_block: kDO_BLOCK k_rescue: kRESCUE k_ensure: kENSURE k_when: kWHEN k_else: kELSE k_elsif: kELSIF k_end: kEND k_return: kRETURN then: term | kTHEN | term kTHEN do: term | kDO_COND if_tail: opt_else | k_elsif expr_value then compstmt if_tail { result = s(:if, val[1], val[3], val[4]) } opt_else: none | kELSE compstmt { result = val[1] } for_var: lhs | mlhs { val[0].delete_at 1 if val[0][1].nil? # HACK } f_marg: f_norm_arg | tLPAREN f_margs rparen { result = val[1] } f_marg_list: f_marg { result = s(:array, val[0]) } | f_marg_list tCOMMA f_marg { result = list_append val[0], val[2] } f_margs: f_marg_list { args, = val result = block_var args } | f_marg_list tCOMMA tSTAR f_norm_arg { args, _, _, splat = val result = block_var args, "*#{splat}".to_sym } | f_marg_list tCOMMA tSTAR f_norm_arg tCOMMA f_marg_list { args, _, _, splat, _, args2 = val result = block_var args, "*#{splat}".to_sym, args2 } | f_marg_list tCOMMA tSTAR { args, _, _ = val result = block_var args, :* } | f_marg_list tCOMMA tSTAR tCOMMA f_marg_list { args, _, _, _, args2 = val result = block_var args, :*, args2 } | tSTAR f_norm_arg { _, splat = val result = block_var :"*#{splat}" } | tSTAR f_norm_arg tCOMMA f_marg_list { _, splat, _, args = val result = block_var :"*#{splat}", args } | tSTAR { result = block_var :* } | tSTAR tCOMMA f_marg_list { _, _, args = val result = block_var :*, args } block_args_tail: f_block_kwarg tCOMMA f_kwrest opt_f_block_arg { result = call_args val } | f_block_kwarg opt_f_block_arg { result = call_args val } | f_kwrest opt_f_block_arg { result = call_args val } | f_block_arg { result = call_args val } opt_block_args_tail: tCOMMA block_args_tail { result = args val } | none block_param: f_arg tCOMMA f_block_optarg tCOMMA f_rest_arg opt_block_args_tail { result = args val } | f_arg tCOMMA f_block_optarg tCOMMA f_rest_arg tCOMMA f_arg opt_block_args_tail { result = args val } | f_arg tCOMMA f_block_optarg opt_block_args_tail { result = args val } | f_arg tCOMMA f_block_optarg tCOMMA f_arg opt_block_args_tail { result = args val } | f_arg tCOMMA f_rest_arg opt_block_args_tail { result = args val } | f_arg tCOMMA { result = args val } | f_arg tCOMMA f_rest_arg tCOMMA f_arg opt_block_args_tail { result = args val } | f_arg opt_block_args_tail { result = args val } | f_block_optarg tCOMMA f_rest_arg opt_block_args_tail { result = args val } | f_block_optarg tCOMMA f_rest_arg tCOMMA f_arg opt_block_args_tail { result = args val } | f_block_optarg opt_block_args_tail { result = args val } | f_block_optarg tCOMMA f_arg opt_block_args_tail { result = args val } | f_rest_arg opt_block_args_tail { result = args val } | f_rest_arg tCOMMA f_arg opt_block_args_tail { result = args val } | block_args_tail { result = args val } opt_block_param: none { result = 0 } | block_param_def { self.lexer.command_start = true } block_param_def: tPIPE opt_bv_decl tPIPE { # TODO: current_arg = 0 result = args val } | tOROP { result = s(:args) } | tPIPE block_param opt_bv_decl tPIPE { # TODO: current_arg = 0 result = args val } opt_bv_decl: opt_nl | opt_nl tSEMI bv_decls opt_nl { result = args val } bv_decls: bvar { result = args val } | bv_decls tCOMMA bvar { result = args val } bvar: tIDENTIFIER { result = s(:shadow, val[0].to_sym) } | f_bad_arg lambda: { self.env.extend :dynamic result = self.lexer.lineno result = lexer.lpar_beg lexer.paren_nest += 1 lexer.lpar_beg = lexer.paren_nest } f_larglist { result = [lexer.cmdarg.store(false), self.lexer.lineno] } lambda_body { lpar, args, (cmdarg, lineno), body = val lexer.lpar_beg = lpar lexer.cmdarg.restore cmdarg lexer.cmdarg.lexpop call = new_call nil, :lambda result = new_iter call, args, body result.line = lineno self.env.unextend } f_larglist: tLPAREN2 f_args opt_bv_decl rparen { result = args val } | f_args { result = val[0] result = 0 if result == s(:args) } lambda_body: tLAMBEG compstmt tRCURLY { result = val[1] } | kDO_LAMBDA bodystmt kEND { result = val[1] } do_block: k_do_block do_body kEND { # TODO: maybe fix lineno to kDO's lineno? result = val[1] } block_call: command do_block { # TODO: ## if (nd_type($1) == NODE_YIELD) { ## compile_error(PARSER_ARG "block given to yield"); syntax_error "Both block arg and actual block given." if val[0].block_pass? val = invert_block_call val if inverted? val result = val[1] result.insert 1, val[0] } | block_call call_op2 operation2 opt_paren_args { result = new_call val[0], val[2].to_sym, val[3] } | block_call call_op2 operation2 opt_paren_args brace_block { iter1, _, name, args, iter2 = val call = new_call iter1, name.to_sym, args iter2.insert 1, call result = iter2 } | block_call call_op2 operation2 command_args do_block { iter1, _, name, args, iter2 = val call = new_call iter1, name.to_sym, args iter2.insert 1, call result = iter2 } method_call: fcall { result = self.lexer.lineno } paren_args { args = self.call_args val[2..-1] result = val[0].concat args.sexp_body } | primary_value call_op operation2 opt_paren_args { result = new_call val[0], val[2].to_sym, val[3], val[1] } | primary_value tCOLON2 operation2 paren_args { result = new_call val[0], val[2].to_sym, val[3] } | primary_value tCOLON2 operation3 { result = new_call val[0], val[2].to_sym } | primary_value call_op paren_args { result = new_call val[0], :call, val[2], val[1] } | primary_value tCOLON2 paren_args { result = new_call val[0], :call, val[2] } | kSUPER paren_args { result = new_super val[1] } | kSUPER { result = s(:zsuper) } | primary_value tLBRACK2 opt_call_args rbracket { result = new_aref val } brace_block: tLCURLY { self.env.extend :dynamic result = self.lexer.lineno } brace_body tRCURLY { _, line, body, _ = val result = body result.line = line self.env.unextend } | k_do { self.env.extend :dynamic result = self.lexer.lineno } do_body kEND { _, line, body, _ = val result = body result.line = line self.env.unextend } brace_body: { self.env.extend :dynamic; result = self.lexer.lineno } { result = lexer.cmdarg.store(false) } opt_block_param compstmt { line, cmdarg, param, cmpstmt = val result = new_brace_body param, cmpstmt, line self.env.unextend lexer.cmdarg.restore cmdarg lexer.cmdarg.pop # because of: cmdarg_stack >> 1 ? } do_body: { self.env.extend :dynamic; result = self.lexer.lineno } { result = lexer.cmdarg.store(false) } opt_block_param bodystmt { line, cmdarg, param, cmpstmt = val result = new_do_body param, cmpstmt, line self.env.unextend lexer.cmdarg.restore cmdarg } case_body: k_when { result = self.lexer.lineno } args then compstmt cases { result = new_when(val[2], val[4]) result.line = val[1] result << val[5] if val[5] } cases: opt_else | case_body opt_rescue: k_rescue exc_list exc_var then compstmt opt_rescue { (_, line), klasses, var, _, body, rest = val klasses ||= s(:array) klasses << new_assign(var, s(:gvar, :"$!")) if var klasses.line line result = new_resbody(klasses, body) result << rest if rest # UGH, rewritten above } | { result = nil } exc_list: arg_value { result = s(:array, val[0]) } | mrhs | none exc_var: tASSOC lhs { result = val[1] } | none opt_ensure: k_ensure compstmt { _, body = val result = body || s(:nil) } | none literal: numeric { result = s(:lit, val[0]) } | symbol { result = s(:lit, val[0]) } | dsym strings: string { val[0] = s(:dstr, val[0].value) if val[0].sexp_type == :evstr result = val[0] } string: tCHAR { debug20 23, val, result } | string1 | string string1 { result = self.literal_concat val[0], val[1] } string1: tSTRING_BEG string_contents tSTRING_END { result = val[1] } | tSTRING { result = new_string val } xstring: tXSTRING_BEG xstring_contents tSTRING_END { result = new_xstring val[1] } regexp: tREGEXP_BEG regexp_contents tREGEXP_END { result = new_regexp val } words: tWORDS_BEG tSPACE tSTRING_END { result = s(:array) } | tWORDS_BEG word_list tSTRING_END { result = val[1] } word_list: none { result = new_word_list } | word_list word tSPACE { result = val[0].dup << new_word_list_entry(val) } word: string_content | word string_content { result = self.literal_concat val[0], val[1] } symbols: tSYMBOLS_BEG tSPACE tSTRING_END { result = s(:array) } | tSYMBOLS_BEG symbol_list tSTRING_END { result = val[1] } symbol_list: none { result = new_symbol_list } | symbol_list word tSPACE { result = val[0].dup << new_symbol_list_entry(val) } qwords: tQWORDS_BEG tSPACE tSTRING_END { result = s(:array) } | tQWORDS_BEG qword_list tSTRING_END { result = val[1] } qsymbols: tQSYMBOLS_BEG tSPACE tSTRING_END { result = s(:array) } | tQSYMBOLS_BEG qsym_list tSTRING_END { result = val[1] } qword_list: none { result = new_qword_list } | qword_list tSTRING_CONTENT tSPACE { result = val[0].dup << new_qword_list_entry(val) } qsym_list: none { result = new_qsym_list } | qsym_list tSTRING_CONTENT tSPACE { result = val[0].dup << new_qsym_list_entry(val) } string_contents: none { result = s(:str, "") } | string_contents string_content { result = literal_concat(val[0], val[1]) } xstring_contents: none { result = nil } | xstring_contents string_content { result = literal_concat(val[0], val[1]) } regexp_contents: none { result = nil } | regexp_contents string_content { result = literal_concat(val[0], val[1]) } string_content: tSTRING_CONTENT { result = new_string val } | tSTRING_DVAR { result = lexer.lex_strterm lexer.lex_strterm = nil lexer.lex_state = :expr_beg } string_dvar { lexer.lex_strterm = val[1] result = s(:evstr, val[2]) } | tSTRING_DBEG { result = [lexer.lex_strterm, lexer.brace_nest, lexer.string_nest, # TODO: remove lexer.cond.store, lexer.cmdarg.store, lexer.lex_state, ] lexer.lex_strterm = nil lexer.brace_nest = 0 lexer.string_nest = 0 lexer.lex_state = :expr_beg } compstmt tSTRING_DEND { _, memo, stmt, _ = val lex_strterm, brace_nest, string_nest, oldcond, oldcmdarg, oldlex_state = memo lexer.lex_strterm = lex_strterm lexer.brace_nest = brace_nest lexer.string_nest = string_nest lexer.cond.restore oldcond lexer.cmdarg.restore oldcmdarg lexer.lex_state = oldlex_state case stmt when Sexp then case stmt.sexp_type when :str, :dstr, :evstr then result = stmt else result = s(:evstr, stmt) end when nil then result = s(:evstr) else debug20 25 raise "unknown string body: #{stmt.inspect}" end } string_dvar: tGVAR { result = s(:gvar, val[0].to_sym) } | tIVAR { result = s(:ivar, val[0].to_sym) } | tCVAR { result = s(:cvar, val[0].to_sym) } | backref symbol: tSYMBEG sym { lexer.lex_state = :expr_end result = val[1].to_sym } | tSYMBOL { result = val[0].to_sym } sym: fname | tIVAR | tGVAR | tCVAR dsym: tSYMBEG xstring_contents tSTRING_END { lexer.lex_state = :expr_end result = val[1] result ||= s(:str, "") case result.sexp_type when :dstr then result.sexp_type = :dsym when :str then result = s(:lit, result.last.to_sym) when :evstr then result = s(:dsym, "", result) else debug20 26, val, result end } numeric: simple_numeric | tUMINUS_NUM simple_numeric { result = -val[1] # TODO: pt_testcase } simple_numeric: tINTEGER | tFLOAT | tRATIONAL | tIMAGINARY user_variable: tIDENTIFIER | tIVAR | tGVAR | tCONSTANT | tCVAR keyword_variable: kNIL { result = s(:nil) } | kSELF { result = s(:self) } | kTRUE { result = s(:true) } | kFALSE { result = s(:false) } | k__FILE__ { result = s(:str, self.file) } | k__LINE__ { result = s(:lit, lexer.lineno) } | k__ENCODING__ { result = if defined? Encoding then s(:colon2, s(:const, :Encoding), :UTF_8) else s(:str, "Unsupported!") end } var_ref: user_variable { var = val[0] result = Sexp === var ? var : self.gettable(var) } | keyword_variable { var = val[0] result = Sexp === var ? var : self.gettable(var) } var_lhs: user_variable { result = self.assignable val[0] } | keyword_variable { result = self.assignable val[0] debug20 29, val, result } backref: tNTH_REF { result = s(:nth_ref, val[0]) } | tBACK_REF { result = s(:back_ref, val[0]) } superclass: tLT { lexer.lex_state = :expr_beg lexer.command_start = true } expr_value term { result = val[2] } | none { result = nil } f_arglist: tLPAREN2 f_args rparen { result = val[1] self.lexer.lex_state = :expr_beg self.lexer.command_start = true } | { result = self.in_kwarg self.in_kwarg = true # TODO: self.lexer.lex_state |= :expr_label } f_args term { kwarg, args, _ = val self.in_kwarg = kwarg result = args lexer.lex_state = :expr_beg lexer.command_start = true } args_tail: f_kwarg tCOMMA f_kwrest opt_f_block_arg { result = args val } | f_kwarg opt_f_block_arg { result = args val } | f_kwrest opt_f_block_arg { result = args val } | f_block_arg opt_args_tail: tCOMMA args_tail { result = val[1] } | { result = nil } f_args: f_arg tCOMMA f_optarg tCOMMA f_rest_arg opt_args_tail { result = args val } | f_arg tCOMMA f_optarg tCOMMA f_rest_arg tCOMMA f_arg opt_args_tail { result = args val } | f_arg tCOMMA f_optarg opt_args_tail { result = args val } | f_arg tCOMMA f_optarg tCOMMA f_arg opt_args_tail { result = args val } | f_arg tCOMMA f_rest_arg opt_args_tail { result = args val } | f_arg tCOMMA f_rest_arg tCOMMA f_arg opt_args_tail { result = args val } | f_arg opt_args_tail { result = args val } | f_optarg tCOMMA f_rest_arg opt_args_tail { result = args val } | f_optarg tCOMMA f_rest_arg tCOMMA f_arg opt_args_tail { result = args val } | f_optarg opt_args_tail { result = args val } | f_optarg tCOMMA f_arg opt_args_tail { result = args val } | f_rest_arg opt_args_tail { result = args val } | f_rest_arg tCOMMA f_arg opt_args_tail { result = args val } | args_tail { result = args val } | { result = args val } f_bad_arg: tCONSTANT { yyerror "formal argument cannot be a constant" } | tIVAR { yyerror "formal argument cannot be an instance variable" } | tGVAR { yyerror "formal argument cannot be a global variable" } | tCVAR { yyerror "formal argument cannot be a class variable" } f_norm_arg: f_bad_arg | tIDENTIFIER { identifier = val[0].to_sym self.env[identifier] = :lvar result = identifier } f_arg_asgn: f_norm_arg f_arg_item: f_arg_asgn | tLPAREN f_margs rparen { result = val[1] } f_arg: f_arg_item { case val[0] when Symbol then result = s(:args) result << val[0] when Sexp then result = val[0] else debug20 32 raise "Unknown f_arg type: #{val.inspect}" end } | f_arg tCOMMA f_arg_item { list, _, item = val if list.sexp_type == :args then result = list else result = s(:args, list) end result << item } f_label: tLABEL f_kw: f_label arg_value { # TODO: call_args label, _ = val[0] # TODO: fix lineno? identifier = label.to_sym self.env[identifier] = :lvar result = s(:array, s(:kwarg, identifier, val[1])) } | f_label { label, _ = val[0] # TODO: fix lineno? identifier = label.to_sym self.env[identifier] = :lvar result = s(:array, s(:kwarg, identifier)) } f_block_kw: f_label primary_value { # TODO: call_args label, _ = val[0] # TODO: fix lineno? identifier = label.to_sym self.env[identifier] = :lvar result = s(:array, s(:kwarg, identifier, val[1])) } | f_label { label, _ = val[0] # TODO: fix lineno? identifier = label.to_sym self.env[identifier] = :lvar result = s(:array, s(:kwarg, identifier)) } f_block_kwarg: f_block_kw | f_block_kwarg tCOMMA f_block_kw { list, _, item = val result = list << item.last } f_kwarg: f_kw | f_kwarg tCOMMA f_kw { result = args val } kwrest_mark: tPOW | tDSTAR f_kwrest: kwrest_mark tIDENTIFIER { name = val[1].to_sym self.assignable name result = :"**#{name}" } | kwrest_mark { result = :"**" } f_opt: f_arg_asgn tEQL arg_value { result = self.assignable val[0], val[2] # TODO: detect duplicate names } f_block_opt: f_arg_asgn tEQL primary_value { result = self.assignable val[0], val[2] } f_block_optarg: f_block_opt { result = s(:block, val[0]) } | f_block_optarg tCOMMA f_block_opt { result = val[0] result << val[2] } f_optarg: f_opt { result = s(:block, val[0]) } | f_optarg tCOMMA f_opt { result = self.block_append val[0], val[2] } restarg_mark: tSTAR2 | tSTAR f_rest_arg: restarg_mark tIDENTIFIER { # TODO: differs from parse.y - needs tests name = val[1].to_sym self.assignable name result = :"*#{name}" } | restarg_mark { name = :"*" self.env[name] = :lvar result = name } blkarg_mark: tAMPER2 | tAMPER f_block_arg: blkarg_mark tIDENTIFIER { identifier = val[1].to_sym self.env[identifier] = :lvar result = "&#{identifier}".to_sym } opt_f_block_arg: tCOMMA f_block_arg { result = val[1] } | { result = nil } singleton: var_ref | tLPAREN2 { lexer.lex_state = :expr_beg } expr rparen { result = val[2] yyerror "Can't define single method for literals." if result.sexp_type == :lit } assoc_list: none # [!nil] { result = s(:array) } | assocs trailer # [!nil] { result = val[0] } assocs: assoc | assocs tCOMMA assoc { list = val[0].dup more = val[2].sexp_body list.push(*more) unless more.empty? result = list result.sexp_type = :hash } assoc: arg_value tASSOC arg_value { result = s(:array, val[0], val[2]) } | tLABEL arg_value { (label, _), arg = val result = s(:array, s(:lit, label.to_sym), arg) } | tSTRING_BEG string_contents tLABEL_END arg_value { _, sym, _, value = val sym.sexp_type = :dsym result = s(:array, sym, value) } | tDSTAR arg_value { result = s(:array, s(:kwsplat, val[1])) } operation: tIDENTIFIER | tCONSTANT | tFID operation2: tIDENTIFIER | tCONSTANT | tFID | op operation3: tIDENTIFIER | tFID | op dot_or_colon: tDOT | tCOLON2 call_op: tDOT | tLONELY # TODO: rename tANDDOT? call_op2: call_op | tCOLON2 opt_terms: | terms opt_nl: | tNL rparen: opt_nl tRPAREN rbracket: opt_nl tRBRACK trailer: | tNL | tCOMMA term: tSEMI { yyerrok } | tNL terms: term | terms tSEMI { yyerrok } none: { result = nil; } end ---- inner require "ruby_lexer" require "ruby_parser_extras" # :stopdoc: # Local Variables: ** # racc-token-length-max:14 ** # End: **