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/*
Copyright Dave Bone 1998 - 2014
All Rights Reserved.
No part of this document may be reproduced without written consent from the author.
FILE: parallel_monitor_ph.lex
Dates: 3 Jun 2004
Purpose: parse arbitration contruct
Output: Err_no_syntax_code_present
Err_comment_overrun
Err_duplicate_directive
Err_no_close_brace
Err_no_directive_present
Err_not_arbitration_code_kw
Err_no_pp_ctrl_mntor_kw_present
*/
/@
@i "/usr/local/yacco2/copyright.w"
@** |parallel_monitor_ph| thread.\fbreak
Parse arbitration contruct.
Typically there is no arbitration to be done but
when 2 or more threads of subset / superset
context are deployed
deplomacy is required.
This thread is a ``chained procedure call''.
\fbreak
Example of a parallel-control-monitor construct to parse:\fbreak
\listing{"/usr/local/yacco2/diagrams+etc/ppmntr.txt"}
@/
fsm
(fsm-id "parallel_monitor_ph.lex"
,fsm-filename parallel_monitor_ph
,fsm-namespace NS_parallel_monitor_ph
,fsm-class Cparallel_monitor_ph{
user-prefix-declaration
using namespace NS_yacco2_terminals;
#include "lint_balls.h"
#include "eol.h"
#include "c_comments.h"
#include "cweb_or_c_k.h"
#include "identifier.h"
#include "c_string.h"
#include "o2_sdc.h"
***
user-declaration
public:
void add_sdc_to_directive(yacco2::CAbs_lr1_sym* Dir,T_syntax_code* Sdc);
T_parallel_monitor_phrase* parallel_monitor_phrase_;
***
constructor
parallel_monitor_phrase_ = 0;
***
user-implementation
void Cparallel_monitor_ph::
add_sdc_to_directive(yacco2::CAbs_lr1_sym* Dir,T_syntax_code* Sdc){
using namespace NS_yacco2_T_enum;
using namespace NS_yacco2_terminals;
yacco2::INT eid = Dir->enumerated_id__;
switch (eid){
case T_Enum::T_T_arbitrator_code_: {
T_arbitrator_code* k = (T_arbitrator_code*)Dir;
k->syntax_code(Sdc);
break;
}
default: {
CAbs_lr1_sym* sym = new Err_improper_directive;
sym->set_rc(*Dir,__FILE__,__LINE__);
RSVP_FSM(sym);
parser__->set_stop_parse(true);
}
}
}
***
op
if(parallel_monitor_phrase_ != 0){
delete parallel_monitor_phrase_;
parallel_monitor_phrase_ = 0;
}
parallel_monitor_phrase_ = new T_parallel_monitor_phrase;
parallel_monitor_phrase_->set_rc(*parser__->start_token__,__FILE__,__LINE__);
AST* t = new AST(*parallel_monitor_phrase_);
parallel_monitor_phrase_->phrase_tree(t);
***
}
,fsm-version "1.0",fsm-date "24 mar 2004",fsm-debug "false"
,fsm-comments "Parse a rule's arbitration code: \n into the valley of someone's dementia...")
parallel-parser
(
parallel-thread-function
TH_parallel_monitor_ph
***
parallel-la-boundary
eolr
***
)
@"/usr/local/yacco2/compiler/grammars/yacco2_T_includes.T"
rules{
Rparallel_monitor_phrase (){
-> "#parallel-control-monitor"
Rlint
Ropen_brace Rlint
Rdirective_phrase
Rclose_brace Rlint
{
op
Cparallel_monitor_ph* fsm =
(Cparallel_monitor_ph*)rule_info__.parser__->fsm_tbl__;
RSVP(fsm->parallel_monitor_phrase_);
fsm->parallel_monitor_phrase_ = 0;
***
}
}
Ropen_brace (){
-> |?| {
op
CAbs_lr1_sym* sym = new Err_no_open_brace;
sym->set_rc(*sf->p1__,__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(*sf->p1__,__FILE__,__LINE__);
RSVP(sym);
rule_info__.parser__->set_stop_parse(true);
***
}
-> "}"
}
Rdirective_phrase (){
-> Rlint Rparallel_directive_cweb_k Rlint Rdirective Rsyntax_code Rlint {
op
AST* cwebt = sf->p2__->cweb_t_;
Rdirective* dir = sf->p4__;
Rsyntax_code* sdc = sf->p5__;
if(cwebt != 0)
sdc->syntax_code_->add_cweb_marker(cwebt);
Cparallel_monitor_ph* fsm =
(Cparallel_monitor_ph*)rule_info__.parser__->fsm_tbl__;
fsm->add_sdc_to_directive(dir->directive_,sdc->syntax_code_);
***
}
}
Rdirective (
lhs {
user-declaration
CAbs_lr1_sym* directive_;
***
op
if(directive_ == 0) return;
Cparallel_monitor_ph* fsm = (Cparallel_monitor_ph*)rule_info__.parser__->fsm_tbl__;
CAbs_lr1_sym* result =
fsm->parallel_monitor_phrase_->add_directive_to_mntr(directive_,rule_info__.parser__);
if(result == 0) return;// ok added
directive_->set_auto_delete(true);//dup: delete when popped from stack
RSVP(result);
rule_info__.parser__->set_stop_parse(true);
***
}
){
-> ||| "#arbitrator-code" NS_identifier::TH_identifier {
op
directive_ = sf->p2__;
***
}
-> ||| |?| NULL {
op
directive_ = 0;
CAbs_lr1_sym* sym = new Err_not_arbitration_code_kw;
sym->set_rc(*sf->p2__,__FILE__,__LINE__);
RSVP(sym);
rule_info__.parser__->set_stop_parse(true);
***
}
-> |?| {
op
CAbs_lr1_sym* sym = new Err_no_directive_present;
sym->set_rc(*sf->p1__,__FILE__,__LINE__);
RSVP(sym);
rule_info__.parser__->set_stop_parse(true);
***
}
}
Rsyntax_code (
lhs {
user-declaration
T_syntax_code* syntax_code_;
***
}
){
-> ||| "syntax-code" NS_o2_sdc::TH_o2_sdc {
op
syntax_code_ = sf->p2__;
***
}
-> ||| "no syntax-code present" NULL {// allow no syntax code
op
syntax_code_ = 0;
sf->p2__->set_auto_delete(true);
***
}
-> ||| |?| NULL { // catcher in the Rye? These are errors
op
syntax_code_ = 0;
RSVP(sf->p2__);
rule_info__.parser__->set_stop_parse(true);
***
}
}
Rlint (){
-> ||| lint NS_lint_balls::TH_lint_balls
->
}
Rparallel_directive_cweb_k (
lhs {
user-declaration
AST* cweb_t_;
***
constructor
cweb_t_ = 0;
***
}
){
->
-> ||| "cweb-comment" NS_cweb_or_c_k::TH_cweb_or_c_k {
op
T_cweb_comment* k = sf->p2__;
AST* cwebk_t_ = new AST(*k);
cweb_t_ = new AST();
T_cweb_marker* cw = new T_cweb_marker(cweb_t_);
cw->set_rc(*k,__FILE__,__LINE__);
AST::set_content(*cweb_t_,*cw);
AST::join_pts(*cweb_t_,*cwebk_t_);
***
}
-> ||| |?| NULL {
op
RSVP(sf->p2__);
rule_info__.parser__->set_stop_parse(true);
***
}
}
}// end of rules
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