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/* parse.y -- Parser for Project Gutenberg Webster Converter
* Created: Sun Mar 16 09:28:23 1997 by faith@cs.unc.edu
* Revised: Sun Feb 22 12:59:41 1998 by faith@acm.org
* Copyright 1997, 1998 Rickard E. Faith (faith@acm.org)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 1, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: parse.y,v 1.9 1998/02/22 18:24:14 faith Exp $
*
*/
%{
#include "webfmt.h"
#define YYDEBUG 1
#define YYERROR_VERBOSE
static void other(const char *string);
static void word(const char *string, int token);
static void def(const char *string, int token);
static void au(const char *string, int token);
static void math(const char *string, int token);
static void note(int token);
static void quote(int token);
static int haveDef, haveMCOL;
%}
%union {
pgwToken token;
}
/* Non-terminals */
%type <token> Database Token TokenList
/* Terminals */
%token <token> T_HW_START T_HW_STOP T_TAG_START T_TAG_STOP T_OTHER
%token <token> T_DEF_START T_DEF_STOP T_SN_START T_SN_STOP T_AU_START
%token <token> T_Q_START T_Q_STOP T_QAU_START T_QAU_STOP T_AU_STOP
%token <token> T_CS_START T_NOTE_START T_COL_START T_COL_STOP
%token <token> T_ALTNAME_START T_ALTNAME_STOP T_SD_START T_SD_STOP
%token <token> T_SYN_START T_USAGE_START T_SPN_START T_SPN_STOP
%token <token> T_STYPE_START T_STYPE_STOP T_PLW_START T_PLW_STOP
%token <token> T_SINGW_START T_SINGW_STOP T_CONJF_START T_CONJF_STOP
%token <token> T_ADJF_START T_ADJF_STOP T_WF_START T_WF_STOP
%token <token> T_DECF_START T_DECF_STOP T_ALTNPLUF_START T_ALTNPLUF_STOP
%token <token> T_ASP_START T_ASP_STOP T_CONTR_START T_CONTR_STOP
%token <token> T_ANT_START T_ANT_STOP T_EXP_START T_EXP_STOP
%token <token> T_ROOT_START T_ROOT_STOP T_VINC_START T_VINC_STOP
%token <token> T_SUPR_START T_SUPR_STOP T_SUPS_START T_SUPS_STOP
%token <token> T_SUBS_START T_SUBS_STOP T_MCOL_START T_MCOL_STOP
%token <token> T_BREAK T_PERSON_START T_PERSON_STOP
%token <token> T_ER_START T_ER_STOP T_CREF_START T_CREF_STOP
%token <token> T_PROD_START T_PROD_STOP T_CHFORM_START T_CHFORM_STOP
%token <token> T_ETSEP_START T_ETSEP_STOP T_UEX_START T_UEX_STOP
%%
Database : TokenList
;
Token : T_HW_START T_OTHER T_HW_STOP { word($2.string,T_HW_START); }
| T_HW_START T_OTHER T_SUPR_START T_OTHER T_SUPR_STOP T_HW_STOP
{ other($2.string);
math($4.string,T_SUPR_START); }
| T_COL_START T_OTHER T_COL_STOP { word($2.string,T_COL_START); }
| T_CHFORM_START T_OTHER T_CHFORM_STOP
{ word($2.string,T_CHFORM_START); }
| T_ALTNAME_START T_OTHER T_ALTNAME_STOP
{ word($2.string,T_ALTNAME_START); }
| T_ALTNPLUF_START T_OTHER T_ALTNPLUF_STOP
{ word($2.string,T_ALTNPLUF_START); }
| T_SPN_START T_OTHER T_SPN_STOP { word($2.string,T_SPN_START); }
| T_PROD_START T_OTHER T_PROD_STOP
{ word($2.string,T_PROD_START); }
| T_PROD_START T_COL_START T_OTHER T_COL_STOP T_PROD_STOP
{ word($2.string,T_PROD_START); }
| T_CREF_START T_OTHER T_CREF_STOP { math($2.string,T_CREF_START); }
| T_PERSON_START T_OTHER T_PERSON_STOP
{ word($2.string,T_PERSON_START); }
| T_PERSON_START
| T_PERSON_STOP
| T_STYPE_START T_SPN_START T_OTHER T_SPN_STOP T_STYPE_STOP
{ word($3.string,T_SPN_START); }
| T_MCOL_START { fmt_newline(2); ++haveMCOL; }
| T_MCOL_STOP { haveMCOL = 0; }
| T_BREAK { fmt_newline(1); }
| T_STYPE_START
T_OTHER
T_SPN_START T_OTHER T_SPN_STOP
T_OTHER
T_SPN_START T_OTHER T_SPN_STOP
T_OTHER
T_STYPE_STOP
{ other($2.string);
word($4.string,T_SPN_START);
other($6.string);
word($8.string,T_SPN_START);
other($10.string);
}
| T_ALTNAME_START T_SPN_START T_OTHER T_SPN_STOP T_ALTNAME_STOP
{ word($3.string,T_SPN_START); }
| T_STYPE_START T_OTHER T_STYPE_STOP
{ word($2.string,T_STYPE_START); }
| T_PLW_START T_OTHER T_PLW_STOP { word($2.string,T_PLW_START); }
| T_SINGW_START T_OTHER T_SINGW_STOP
{ word($2.string,T_SINGW_START); }
| T_CONJF_START T_OTHER T_CONJF_STOP
{ word($2.string,T_CONJF_START); }
| T_ADJF_START T_OTHER T_ADJF_STOP
{ word($2.string,T_ADJF_START); }
| T_DECF_START T_OTHER T_DECF_STOP
{ word($2.string,T_DECF_START); }
| T_WF_START T_OTHER T_WF_STOP { word($2.string,T_WF_START); }
| T_ASP_START T_OTHER T_ASP_STOP { word($2.string,T_ASP_START); }
| T_CONTR_START T_OTHER T_CONTR_STOP
{ math($2.string,T_CONTR_START); }
| T_ANT_START T_OTHER T_ANT_STOP { math($2.string,T_ANT_START); }
| T_UEX_START T_OTHER T_UEX_STOP { math($2.string,T_UEX_START); }
| T_USAGE_START { note(T_USAGE_START); }
| T_SYN_START { note(T_SYN_START); }
| T_NOTE_START { note(T_NOTE_START); }
| T_SN_START T_OTHER T_SN_STOP { def($2.string,T_SN_START); }
| T_SD_START T_OTHER T_SD_STOP { def($2.string,T_SD_START); }
| T_DEF_START { def(NULL,T_DEF_START); }
| T_OTHER { other($1.string); }
| T_TAG_START
| T_TAG_STOP
| T_AU_START T_OTHER T_AU_STOP { au($2.string,T_AU_START); }
| T_QAU_START T_OTHER T_QAU_STOP { au($2.string,T_QAU_START); }
| T_Q_START { quote(T_Q_START); }
| T_Q_STOP { quote(T_Q_STOP); }
| T_EXP_START T_OTHER T_EXP_STOP { math($2.string,T_EXP_START); }
| T_ROOT_START { math($1.string,-T_ROOT_START); }
TokenList T_ROOT_STOP { math($3.string,-T_ROOT_STOP); }
| T_VINC_START T_OTHER T_VINC_STOP { math($2.string,T_VINC_START); }
| T_SUPR_START T_OTHER T_SUPR_STOP { math($2.string,T_SUPR_START); }
| T_SUPS_START T_OTHER T_SUPS_STOP { math($2.string,T_SUPS_START); }
| T_SUBS_START T_OTHER T_SUBS_STOP { math($2.string,T_SUBS_START); }
/* The following is for the web1913.new addendum and CIDE -- should probably be removed */
/* The idea here is to ignore COL between STYPE */
| T_STYPE_START T_COL_START T_OTHER T_COL_STOP T_STYPE_STOP
{ word($3.string,T_STYPE_START); }
| T_STYPE_START T_COL_START T_OTHER T_STYPE_STOP T_COL_STOP
/* for CIDE */
{ word($3.string,T_STYPE_START); }
| T_STYPE_START T_COL_START T_OTHER T_STYPE_STOP T_OTHER T_COL_STOP
{ other($3.string); other($5.string); }
| T_ALTNAME_START T_COL_START T_OTHER T_COL_STOP T_ALTNAME_STOP
{ word($3.string,T_ALTNAME_START); }
| T_ALTNAME_START T_TAG_START T_OTHER T_TAG_STOP T_ALTNAME_STOP
{ word($3.string,T_ALTNAME_START); }
| T_ALTNAME_START T_OTHER T_COL_START T_OTHER T_COL_STOP T_OTHER T_ALTNAME_STOP
{ other($2.string);
word($4.string,T_ALTNAME_START);
other($6.string); }
| T_ALTNAME_START T_OTHER T_ASP_START T_OTHER T_ASP_STOP T_OTHER T_ALTNAME_STOP
{ other($2.string);
word($4.string,T_ASP_START);
other($6.string); }
| T_ALTNAME_START T_OTHER
T_ASP_START T_OTHER T_ASP_STOP T_OTHER
T_ASP_START T_OTHER T_ASP_STOP T_OTHER T_ALTNAME_STOP
{ other($2.string);
word($4.string,T_ASP_START);
other($6.string);
word($8.string,T_ASP_START);
other($10.string);
}
| T_STYPE_START T_MCOL_START IgnoreColList T_MCOL_STOP T_STYPE_STOP
| T_ASP_START T_HW_START T_OTHER T_HW_STOP T_ASP_STOP
{ word($3.string,T_ASP_START); }
| T_ALTNAME_START T_HW_START T_OTHER T_HW_STOP T_ALTNAME_STOP
{ word($3.string,T_ALTNAME_START); }
;
IgnoreCol : T_COL_START T_OTHER T_COL_STOP { word($2.string,T_STYPE_START); }
| T_OTHER { other($1.string); }
;
IgnoreColList : IgnoreCol
| IgnoreColList IgnoreCol
;
TokenList : Token
| TokenList Token
;
%%
static void other(const char *string)
{
if (!string) return;
fmt_string("%s", string);
}
static void word(const char *string, int token)
{
const char *clean = fmt_refmt(string);
while (*string == '|') ++string;
switch (token) {
case T_HW_START:
fmt_indent(0);
if (haveDef) {
fmt_newline(1);
fmt_flush_index();
fmt_newline(1);
fmt_flush_index();
}
other(clean);
other(" \\");
other(string);
other("\\");
fmt_indent(3);
haveDef = 0;
break;
case T_COL_START:
fmt_indent(3);
if (!haveMCOL) fmt_newline(2);
other("{");
other(string);
other("}");
fmt_indent(6);
break;
case T_ALTNAME_START:
case T_ALTNPLUF_START:
case T_SPN_START: /* Also <suborder>, <ord>er, <gen>us, <var>iety ? */
case T_PERSON_START:
case T_STYPE_START:
case T_PLW_START:
case T_SINGW_START:
case T_CONJF_START:
case T_ADJF_START:
case T_DECF_START:
case T_WF_START:
case T_ASP_START:
case T_PROD_START:
case T_CHFORM_START:
/* Check for length before storing. */
other("{");
other(string);
other("}");
break;
default: err_internal( __FUNCTION__, "token = %d\n", token );
}
fmt_add_index(clean);
}
static void def(const char *string, int token)
{
static int lastSN = 3;
switch (token) {
case T_DEF_START: /* Also <def2>? */
if (!haveDef) { fmt_indent(3); fmt_newline(1); lastSN = 3; }
++haveDef;
other(string);
break;
case T_SN_START:
fmt_indent(3);
if (haveDef) fmt_newline(2);
else fmt_newline(1);
++haveDef;
other(string);
lastSN = fmt_indent_add(strlen(string)+1);
break;
case T_SD_START:
fmt_indent(lastSN);
fmt_newline(1);
++haveDef;
other(string);
fmt_indent_add(strlen(string)+1);
break;
default: err_internal( __FUNCTION__, "token = %d\n", token );
}
}
static void au(const char *string, int token)
{
int old;
switch (token) {
case T_QAU_START:
old = fmt_indent_add(0);
fmt_indent(50);
other("--");
other(string);
fmt_indent(old);
fmt_newline(1);
break;
case T_AU_START:
other("--");
other(string);
break;
default: err_internal( __FUNCTION__, "token = %d\n", token );
}
}
static void quote(int token)
{
switch (token) {
case T_Q_START:
fmt_indent_add(6);
fmt_newline(2);
break;
case T_Q_STOP:
fmt_indent_add(-6);
break;
fmt_newline(1);
default: err_internal( __FUNCTION__, "token = %d\n", token );
}
}
static void note(int token)
{
switch (token) {
case T_SYN_START:
fmt_indent(3);
fmt_newline(2);
other("Syn: ");
fmt_indent_add(5);
break;
case T_USAGE_START:
fmt_indent(3);
fmt_newline(2);
other("Usage: ");
fmt_indent_add(7);
break;
case T_NOTE_START:
fmt_indent(3);
fmt_newline(2);
other("Note: ");
fmt_indent_add(6);
break;
default: err_internal( __FUNCTION__, "token = %d\n", token );
}
}
static void math(const char *string, int token)
{
switch (token) {
case T_CREF_START:
case T_CONTR_START:
case T_ANT_START:
case T_ETSEP_START:
case T_UEX_START:
other("{");
other(string);
other("}");
break;
case T_EXP_START:
case T_SUPR_START:
case T_SUPS_START:
other("^{");
other(string);
other("}");
break;
case T_SUBS_START:
other("_{");
other(string);
other("}");
break;
case T_ROOT_START:
other("root{");
other(string);
other("}");
break;
case -T_ROOT_START:
other("root{");
break;
case -T_ROOT_STOP:
other("}");
break;
case T_VINC_START:
other("vinc{");
other(string);
other("}");
break;
default: err_internal( __FUNCTION__, "token = %d\n", token );
}
}
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