/* Copyright Dave Bone 1998 - 2014 All Rights Reserved. No part of this document may be reproduced without written consent from the author. FILE: err_symbols_ph_th.lex Dates: 23 Mar 2004 Purpose: parse error-symbols phrase The keeps its own local symbol table: map and list. The term_def_ph adds symbol to Yacco2's global symbol table. Output: error_symbols_phrase */ /@ @i "/usr/local/yacco2/copyright.w" @** |err_symbols_ph_th| Thread.\fbreak Parse the error terminal definitions. As all terminal vocabulary symbols have the same source template, |TH_term_def_ph| is used to parse individually each symbol. \fbreak Example of an error vocabulary to parse:\fbreak \listing{"/usr/local/yacco2/diagrams+etc/errsym.txt"} @/ fsm (fsm-id "err_symbols_ph_th.lex" ,fsm-filename err_symbols_ph_th ,fsm-namespace NS_err_symbols_ph_th ,fsm-class Cerr_symbols_ph_th{ user-prefix-declaration using namespace NS_yacco2_terminals; #include "lint_balls.h" #include "identifier.h" #include "term_def_ph.h" #include "c_string.h" *** user-declaration public: T_error_symbols_phrase* error_symbols_phrase_; *** constructor error_symbols_phrase_ = 0; *** op if(error_symbols_phrase_ != 0){ delete error_symbols_phrase_; error_symbols_phrase_ = 0; } error_symbols_phrase_ = new T_error_symbols_phrase; error_symbols_phrase_->set_rc(*parser__->start_token__,__FILE__,__LINE__); AST* t = new AST(*error_symbols_phrase_); error_symbols_phrase_->phrase_tree(t); *** } ,fsm-version "1.0",fsm-date "22 mar 2004",fsm-debug "false" ,fsm-comments "Parse Error vocabulary.") parallel-parser ( parallel-thread-function TH_err_symbols_ph_th *** parallel-la-boundary eolr *** ) @"/usr/local/yacco2/compiler/grammars/yacco2_T_includes.T" rules{ Rerror_symbols_phrase (){ -> Rlint Ropen_par Rparameters Rclose_par Rlint Rsym_defs_phrase Rlint { op Cerr_symbols_ph_th* fsm = (Cerr_symbols_ph_th*)rule_info__.parser__->fsm_tbl__; RSVP(fsm->error_symbols_phrase_); fsm->error_symbols_phrase_ = 0; *** } } Ropen_par (){ -> |?| { op CAbs_lr1_sym* sym = new Err_no_open_parenthesis; sym->set_rc(*rule_info__.parser__->current_token(),__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> "(" } Rclose_par (){ -> |?| { op CAbs_lr1_sym* sym = new Err_no_close_parenthesis; sym->set_rc(*rule_info__.parser__->current_token(),__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> ")" } Rparameters (){ -> Rlint Rfilename_phrase Rlint Rnamespace_phrase Rlint } Rfilename_phrase ( lhs{ user-declaration public:T_file_name* filename_; *** } ){ -> Rfilename Rlint Rfilename_id } Rfilename (){ -> ||| "#file-name" NS_identifier::TH_identifier -> ||| |+| NULL { op sf->p2__->set_auto_delete(true); CAbs_lr1_sym* sym = new Err_no_filename_present; sym->set_rc(*sf->p2__,__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> |?| { op CAbs_lr1_sym* sym = new Err_no_filename_present; sym->set_rc(*rule_info__.parser__->current_token(),__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } } Rfilename_id (){ -> ||| identifier NS_identifier::TH_identifier { op Cerr_symbols_ph_th* fsm = (Cerr_symbols_ph_th*)rule_info__.parser__->fsm_tbl__; fsm->error_symbols_phrase_->filename_id(sf->p2__); *** } -> ||| |+| NULL { op sf->p2__->set_auto_delete(true); CAbs_lr1_sym* sym = new Err_no_filename_id_present; sym->set_rc(*sf->p2__,__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> |?| { op CAbs_lr1_sym* sym = new Err_no_filename_id_present; sym->set_rc(*rule_info__.parser__->current_token(),__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } } Rnamespace_phrase ( lhs ){ -> "," Rlint Rnamespace Rlint Rnamespace_id -> |?| { op CAbs_lr1_sym* sym = new Err_no_comma_present; sym->set_rc(*rule_info__.parser__->current_token(),__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } } Rnamespace (){ -> ||| "#name-space" NS_identifier::TH_identifier -> ||| |+| NULL { op sf->p2__->set_auto_delete(true); CAbs_lr1_sym* sym = new Err_no_namespace_present; sym->set_rc(*sf->p2__,__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> |?| { op CAbs_lr1_sym* sym = new Err_no_namespace_present; sym->set_rc(*rule_info__.parser__->current_token(),__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } } Rnamespace_id (){ -> ||| identifier NS_identifier::TH_identifier { op Cerr_symbols_ph_th* fsm = (Cerr_symbols_ph_th*)rule_info__.parser__->fsm_tbl__; fsm->error_symbols_phrase_->namespace_id(sf->p2__); *** } -> ||| |+| NULL { op sf->p2__->set_auto_delete(true); CAbs_lr1_sym* sym = new Err_no_namespace_id_present; sym->set_rc(*sf->p2__,__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> |?| { op CAbs_lr1_sym* sym = new Err_no_namespace_id_present; sym->set_rc(*rule_info__.parser__->current_token(),__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } } Rsym_defs_phrase (){ -> Ropen_brace Rlint Rsym_defs Rclose_brace } Rsym_defs (){ -> Rsym_def Rlint -> Rsym_defs Rsym_def1 Rlint } Rsym_def /@ Note: trapped explicitly are directives that are improper within this context. @/ (){ -> ||| "terminal-def" NS_term_def_ph::TH_term_def_ph { op Cerr_symbols_ph_th* fsm = (Cerr_symbols_ph_th*)rule_info__.parser__->fsm_tbl__; sf->p2__->classification(T_terminal_def::err); CAbs_lr1_sym* r = fsm->error_symbols_phrase_->add_t_to_alphabet(sf->p2__,rule_info__.parser__); if(r == 0) return; RSVP(r); rule_info__.parser__->set_stop_parse(true); *** } -> ||| |+| NULL { op RSVP(sf->p2__); rule_info__.parser__->set_stop_parse(true); *** } -> ||| "#lrk-sufx" NULL { op sf->p2__->set_auto_delete(true); CAbs_lr1_sym* sym = new Err_improper_directive; sym->set_rc(*sf->p2__,__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> ||| "#terminals-refs" NULL { op sf->p2__->set_auto_delete(true); CAbs_lr1_sym* sym = new Err_improper_directive; sym->set_rc(*sf->p2__,__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> ||| "#terminals-sufx" NULL { op sf->p2__->set_auto_delete(true); CAbs_lr1_sym* sym = new Err_improper_directive; sym->set_rc(*sf->p2__,__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> |?| { op CAbs_lr1_sym* sym = new Err_no_sym_defs_present; sym->set_rc(*rule_info__.parser__->current_token(),__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } } Rsym_def1 (){ -> ||| "terminal-def" NS_term_def_ph::TH_term_def_ph { op Cerr_symbols_ph_th* fsm = (Cerr_symbols_ph_th*)rule_info__.parser__->fsm_tbl__; sf->p2__->classification(T_terminal_def::err); CAbs_lr1_sym* r = fsm->error_symbols_phrase_->add_t_to_alphabet(sf->p2__,rule_info__.parser__); if(r == 0) return; RSVP(r); rule_info__.parser__->set_stop_parse(true); *** } -> ||| "#lrk-sufx" NULL { op sf->p2__->set_auto_delete(true); CAbs_lr1_sym* sym = new Err_improper_directive; sym->set_rc(*sf->p2__,__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> ||| "#terminals-refs" NULL { op sf->p2__->set_auto_delete(true); CAbs_lr1_sym* sym = new Err_improper_directive; sym->set_rc(*sf->p2__,__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> ||| "#terminals-sufx" NULL { op sf->p2__->set_auto_delete(true); CAbs_lr1_sym* sym = new Err_improper_directive; sym->set_rc(*sf->p2__,__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> ||| |+| NULL { op RSVP(sf->p2__); rule_info__.parser__->set_stop_parse(true); *** } } Ropen_brace (){ -> |?| { op CAbs_lr1_sym* sym = new Err_no_open_brace; sym->set_rc(*rule_info__.parser__->current_token(),__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> "{" } Rclose_brace (){ -> |?| { op CAbs_lr1_sym* sym = new Err_no_close_brace; sym->set_rc(*rule_info__.parser__->current_token(),__FILE__,__LINE__); RSVP(sym); rule_info__.parser__->set_stop_parse(true); *** } -> "}" } Rlint (){ -> ||| lint NS_lint_balls::TH_lint_balls -> } }// end of rules