diff options
Diffstat (limited to 'support/ltx2x/l2x.y')
-rw-r--r-- | support/ltx2x/l2x.y | 1502 |
1 files changed, 1502 insertions, 0 deletions
diff --git a/support/ltx2x/l2x.y b/support/ltx2x/l2x.y new file mode 100644 index 0000000000..a68c0ff40c --- /dev/null +++ b/support/ltx2x/l2x.y @@ -0,0 +1,1502 @@ +%{ +/* + * l2x.y A (bison) parser to convert LaTeX source to X + * Written by Peter Wilson (Catholic University and NIST) + * Version 0.2, January 1995 + * revised 6/96 replacing myprint(tag) by tag_print(tag) + */ + +/* Development of this software was funded by the United States Government, + * and is not subject to copyright. + */ + +/****************************************************************************/ +/* WARNING: This file is intended to be processed by bison. If it is so */ +/* processed, then the resulting output is subject to the Free */ +/* Software Foundation GNU "copyleft" software license. */ +/* A copy of this license can be obtained by writing to: */ +/* Free Software Foundation, Inc. */ +/* 675 Massachusetts Avenue */ +/* Cambridge, MA 02139 */ +/* +1 (617) 876-3296 */ +/****************************************************************************/ + +#include <stdio.h> +#include <string.h> +#include <ctype.h> +#ifndef STRTYPES_H +#include "strtypes.h" +#endif +#ifndef L2XCOM_H +#include "l2xcom.h" +#endif +#include "l2xacts.h" /* system provided action functions */ +#include "l2xusrlb.h" /* user defined action functions, etc */ +#include "l2xlib.h" /* functions and global variables */ + + + /* lexer communication */ +int opt_param = FALSE; +int all_opt = FALSE; +int opt_coord = FALSE; + + /* parser variables */ +int yacresult; +int yackind; +PSENTRY sym; +char grammbuf[80]; /* for example grammar-based special */ + +%} + +%union { + char *string; /* string buffer */ + /* int pos; command table position */ + PSENTRY pos; /* pointer to sym entry */ +} + +%token END_OF_FILE + /* TeX special chars */ +%token <pos> TEX_CHAR + /* special character command */ +%token <pos> CHAR_COMMAND + /* begin and end document */ +%token <pos> BEGIN_DOCUMENT END_DOCUMENT + /* begin and end verbatims */ +%token <pos> BEGIN_VERBATIM END_VERBATIM BEGIN_VERB END_VERB + /* begin and end dollar math */ +%token <pos> BEGIN_DOLLAR END_DOLLAR + /* alpahabetic commands & environments */ +%token <pos> COMMAND COMMAND_OPT +%token <pos> COMMAND_1 COMMAND_2 COMMAND_3 COMMAND_4 COMMAND_5 +%token <pos> COMMAND_6 COMMAND_7 COMMAND_8 COMMAND_9 +%token <pos> COMMAND_1_OPT COMMAND_2_OPT COMMAND_3_OPT COMMAND_4_OPT COMMAND_5_OPT +%token <pos> COMMAND_6_OPT COMMAND_7_OPT COMMAND_8_OPT + /* begin environments */ +%token <pos> BEGIN_ENV + /* end environment */ +%token <pos> END_ENV + /* begin lists */ +%token <pos> BEGIN_LIST_ENV + /* end lists */ +%token <pos> END_LIST_ENV + /* sectioning */ +%token <pos> SECTIONING + /* picture commands */ +%token <pos> BEGIN_PICTURE_CC END_PICTURE +%token <pos> PICTURE_CCPP PICTURE_CO PICTURE_COP PICTURE_CP +%token <pos> PICTURE_OCC PICTURE_OCCC PICTURE_OCO PICTURE_PCOP + /* a special something */ +%token <pos> SPECIAL SPECIAL_COMMAND SPECIAL_BEGIN_ENV SPECIAL_END_ENV +%token <pos> SPECIAL_BEGIN_LIST SPECIAL_END_LIST SPECIAL_SECTIONING + /* verb(atim) like stuff */ +%token <pos> BEGIN_VENV END_VENV VCOMMAND + /* commands with odd optionals */ +%token <pos> COMMAND_OOP COMMAND_OOOPP COMMAND_OPO +%token <pos> COMMAND_POOOP COMMAND_POOP COMMAND_POOPP + /* default stuff */ +%token <pos> OTHER_COMMAND OTHER_BEGIN OTHER_END +%token <pos> PRINT_CONTROLLED_COMMAND + /* uninteresting and built-in stuff */ +%token <string> NAME INTEGER REAL OTHER +%type <string> Words Numbers +%type <pos> l2xNoOps +%type <pos> ReqParam +%token ITEM ITEM_AND_BRAK END_ITEM_BRAK +%token <pos> LBRACE RBRACE +%token <pos> PARAGRAPH +%token <pos> SLASH_SPACE +%token LBRAK RBRAK +%token COMMA LPAREN RPAREN +%token START_ANOPT START_COORD START_ALLOPT +%token END_ANOPT END_COORD END_ALLOPT + + /* specials */ +%token <pos> GRAMMSPECIAL 32767 + + /* precedences */ + +%% +Document: StuffList + ; + +StuffList: Stuff + | StuffList Stuff + ; + +Stuff: AnItem + | StartDoc + | EndDoc + | Words { myprint($1); + free($1); + } + | Numbers { myprint($1); + free($1); + } + | BracedStuff + | l2xSpecialChar + | l2xCharCommand + | l2xCommands + | l2xSpecials + | l2xOthers + | l2xPictures + ; + + /*---------- Start and End the document --------------*/ + +StartDoc: BEGIN_DOCUMENT + { + action_no_param($1); + } + ; + +EndDoc: END_DOCUMENT { action_no_param($1); + close_down(" (at end of document)"); + exit(0); } + | END_OF_FILE { close_down(" (at unexpected end of file)"); + exit(1); } + ; + + + /*------------------- List Items -----------------------*/ + +AnItem: DescItem + | NdItem + ; + +DescItem: ITEM_AND_BRAK + { + print_end_item(); + num_items[list_level]++; + tag_print(list_item_start[list_level]); + tag_print(list_descitemp_start[list_level]); + } + END_ITEM_BRAK + { + tag_print(list_descitemp_end[list_level]); + } + | ITEM_AND_BRAK + { + print_end_item(); + num_items[list_level]++; + tag_print(list_item_start[list_level]); + tag_print(list_descitemp_start[list_level]); + } + StuffList END_ITEM_BRAK + { + tag_print(list_descitemp_end[list_level]); + } + ; + +NdItem: ITEM + { + print_end_item(); + num_items[list_level]++; + tag_print(list_item_start[list_level]); + } + ; + + + + + /*----------- Special Characters -----------------*/ +l2xSpecialChar: TEX_CHAR + { + action_no_param($1); + } + ; + + /*---------- Character Command ---------------------*/ +l2xCharCommand: CHAR_COMMAND + { + action_no_param($1); + } + ; + + /*----------- Regular Commands & Environments ----------------*/ + +l2xCommands: l2xCommand + | l2xComm1 + | l2xComm2 + | l2xComm3 + | l2xComm4 + | l2xComm5 + | l2xComm6 + | l2xComm7 + | l2xComm8 + | l2xComm9 + | l2xCommandOpt + | l2xComm1Opt + | l2xComm2Opt + | l2xComm3Opt + | l2xComm4Opt + | l2xComm5Opt + | l2xComm6Opt + | l2xComm7Opt + | l2xComm8Opt + | l2xCommOddP + ; + +ReqParam: LBRACE RBRACE + | LBRACE StuffList RBRACE + | error + {yyerror("Syntax error: Required parameter expected");} + ; + + /*-------------Regular commands without trailing opt --------*/ +l2xComm9: COMMAND_9 + { + start_with_req($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_p1($1,2); + } + ReqParam + { + action_p_p1($1,3); + } + ReqParam + { + action_p_p1($1,4); + } + ReqParam + { + action_p_p1($1,5); + } + ReqParam + { + action_p_p1($1,6); + } + ReqParam + { + action_p_p1($1,7); + } + ReqParam + { + action_p_p1($1,8); + } + ReqParam + { + action_last_p($1,9); + } + ; + +l2xComm8: COMMAND_8 + { + start_with_opt($1); + } + OptParam + { + action_opt_first($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_p1($1,2); + } + ReqParam + { + action_p_p1($1,3); + } + ReqParam + { + action_p_p1($1,4); + } + ReqParam + { + action_p_p1($1,5); + } + ReqParam + { + action_p_p1($1,6); + } + ReqParam + { + action_p_p1($1,7); + } + ReqParam + { + action_last_p($1,8); + } + ; + +l2xComm7: COMMAND_7 + { + start_with_opt($1); + } + OptParam + { + action_opt_first($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_p1($1,2); + } + ReqParam + { + action_p_p1($1,3); + } + ReqParam + { + action_p_p1($1,4); + } + ReqParam + { + action_p_p1($1,5); + } + ReqParam + { + action_p_p1($1,6); + } + ReqParam + { + action_last_p($1,7); + } + ; + +l2xComm6: COMMAND_6 + { + start_with_opt($1); + } + OptParam + { + action_opt_first($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_p1($1,2); + } + ReqParam + { + action_p_p1($1,3); + } + ReqParam + { + action_p_p1($1,4); + } + ReqParam + { + action_p_p1($1,5); + } + ReqParam + { + action_last_p($1,6); + } + ; + +l2xComm5: COMMAND_5 + { + start_with_opt($1); + } + OptParam + { + action_opt_first($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_p1($1,2); + } + ReqParam + { + action_p_p1($1,3); + } + ReqParam + { + action_p_p1($1,4); + } + ReqParam + { + action_last_p($1,5); + } + ; + +l2xComm4: COMMAND_4 + { + start_with_opt($1); + } + OptParam + { + action_opt_first($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_p1($1,2); + } + ReqParam + { + action_p_p1($1,3); + } + ReqParam + { + action_last_p($1,4); + } + ; + +l2xComm3: COMMAND_3 + { + start_with_opt($1); + } + OptParam + { + action_opt_first($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_p1($1,2); + } + ReqParam + { + action_last_p($1,3); + } + ; + +l2xComm2: COMMAND_2 + { + start_with_opt($1); + } + OptParam + { + action_opt_first($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_last_p($1,2); + } + ; + +l2xComm1: COMMAND_1 + { + start_with_opt($1); + } + OptParam + { + action_opt_first($1); + } + ReqParam + { + action_last_p($1,1); + } + ; + + +l2xCommand: COMMAND + { + action_no_param($1); + } + ; + + /*-------------- Regular commands with trailing opt --------*/ + +l2xComm8Opt: COMMAND_8_OPT + { + start_with_req($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_p1($1,2); + } + ReqParam + { + action_p_p1($1,3); + } + ReqParam + { + action_p_p1($1,4); + } + ReqParam + { + action_p_p1($1,5); + } + ReqParam + { + action_p_p1($1,6); + } + ReqParam + { + action_p_p1($1,7); + } + ReqParam + { + action_p_opt($1,8); + } + OptParam + { + action_last_opt($1); + } + ; + +l2xComm7Opt: COMMAND_7_OPT + { + start_with_req($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_p1($1,2); + } + ReqParam + { + action_p_p1($1,3); + } + ReqParam + { + action_p_p1($1,4); + } + ReqParam + { + action_p_p1($1,5); + } + ReqParam + { + action_p_p1($1,6); + } + ReqParam + { + action_p_opt($1,7); + } + OptParam + { + action_last_opt($1); + } + ; + +l2xComm6Opt: COMMAND_6_OPT + { + start_with_req($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_p1($1,2); + } + ReqParam + { + action_p_p1($1,3); + } + ReqParam + { + action_p_p1($1,4); + } + ReqParam + { + action_p_p1($1,5); + } + ReqParam + { + action_p_opt($1,6); + } + OptParam + { + action_last_opt($1); + } + ; + +l2xComm5Opt: COMMAND_5_OPT + { + start_with_req($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_p1($1,2); + } + ReqParam + { + action_p_p1($1,3); + } + ReqParam + { + action_p_p1($1,4); + } + ReqParam + { + action_p_opt($1,5); + } + OptParam + { + action_last_opt($1); + } + ; + +l2xComm4Opt: COMMAND_4_OPT + { + start_with_req($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_p1($1,2); + } + ReqParam + { + action_p_p1($1,3); + } + ReqParam + { + action_p_opt($1,4); + } + OptParam + { + action_last_opt($1); + } + ; + +l2xComm3Opt: COMMAND_3_OPT + { + start_with_req($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_p1($1,2); + } + ReqParam + { + action_p_opt($1,3); + } + OptParam + { + action_last_opt($1); + } + ; + +l2xComm2Opt: COMMAND_2_OPT + { + start_with_req($1); + } + ReqParam + { + action_p_p1($1,1); + } + ReqParam + { + action_p_opt($1,2); + } + OptParam + { + action_last_opt($1); + } + ; + +l2xComm1Opt: COMMAND_1_OPT + { + start_with_req($1); + } + ReqParam + { + action_p_opt($1,1); + } + OptParam + { + action_last_opt($1); + } + ; + +l2xCommandOpt: COMMAND_OPT + { + start_with_opt($1); + } + OptParam + { + action_last_opt($1); + } + ; + +OptParam: START_ANOPT END_ANOPT + | START_ANOPT StuffList END_ANOPT + | /* empty */ + ; + + /*---------------Picture Stuff -------------------*/ + +l2xPictures: BeginPicCC + | EndPic + | PicCCPP + | PicCO + | PicCOP + | PicCP + | PicOCC + | PicOCCC + | PicOCO + | PicPCOP + ; + +BeginPicCC: BEGIN_PICTURE_CC + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + } + Coord + { + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + opt_coord = TRUE; + } + OptCoord + { + opt_coord = FALSE; + reset_print(); + tag_print(get_tag_et($1,2)); + end_it($1); + } + ; + +EndPic: END_PICTURE + { + start_it($1); + end_it($1); + } + ; + +PicCCPP: PICTURE_CCPP + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + } + Coord + { + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + } + Coord + { + reset_print(); + tag_print(get_tag_et($1,2)); + tag_print(get_tag_t($1,3)); + set_print(get_param_print($1,3)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,3)); + tag_print(get_tag_t($1,4)); + set_print(get_param_print($1,4)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,4)); + end_it($1); + } + ; + +PicCO: PICTURE_CO + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + } + Coord + { + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,2)); + end_it($1); + } + ; + +PicCOP: PICTURE_COP + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + } + Coord + { + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,2)); + tag_print(get_tag_t($1,3)); + set_print(get_param_print($1,3)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,3)); + end_it($1); + } + ; + +PicCP: PICTURE_CP + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + } + Coord + { + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,2)); + end_it($1); + } + ; + +PicOCC: PICTURE_OCC + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + } + Coord + { + reset_print(); + tag_print(get_tag_et($1,2)); + tag_print(get_tag_t($1,3)); + set_print(get_param_print($1,3)); + } + Coord + { + reset_print(); + tag_print(get_tag_et($1,3)); + end_it($1); + } + ; + +PicOCCC: PICTURE_OCCC + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + } + Coord + { + reset_print(); + tag_print(get_tag_et($1,2)); + tag_print(get_tag_t($1,3)); + set_print(get_param_print($1,3)); + } + Coord + { + reset_print(); + tag_print(get_tag_et($1,3)); + tag_print(get_tag_t($1,4)); + set_print(get_param_print($1,4)); + } + Coord + { + reset_print(); + tag_print(get_tag_et($1,4)); + end_it($1); + } + ; + +PicOCO: PICTURE_OCO + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + } + Coord + { + reset_print(); + tag_print(get_tag_et($1,2)); + tag_print(get_tag_t($1,3)); + set_print(get_param_print($1,3)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,3)); + end_it($1); + } + ; + +PicPCOP: PICTURE_PCOP + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + } + Coord + { + reset_print(); + tag_print(get_tag_et($1,2)); + tag_print(get_tag_t($1,3)); + set_print(get_param_print($1,3)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,3)); + tag_print(get_tag_t($1,4)); + set_print(get_param_print($1,4)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,4)); + end_it($1); + } + ; + + /* -------------Odd Optionals-------------------*/ + +l2xCommOddP : ltxCommandOOP + | ltxCommandOOOPP + | ltxCommandOPO + | ltxCommandPOOOP + | ltxCommandPOOP + | ltxCommandPOOPP + ; + +ltxCommandOOP : COMMAND_OOP + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,2)); + tag_print(get_tag_t($1,3)); + set_print(get_param_print($1,3)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,3)); + end_it($1); + } + ; + +ltxCommandOOOPP : COMMAND_OOOPP + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,2)); + tag_print(get_tag_t($1,3)); + set_print(get_param_print($1,3)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,3)); + tag_print(get_tag_t($1,4)); + set_print(get_param_print($1,4)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,4)); + tag_print(get_tag_t($1,5)); + set_print(get_param_print($1,5)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,5)); + end_it($1); + } + ; + +ltxCommandOPO : COMMAND_OPO + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,2)); + tag_print(get_tag_t($1,3)); + set_print(get_param_print($1,3)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,3)); + end_it($1); + } + ; + +ltxCommandPOOOP : COMMAND_POOOP + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,2)); + tag_print(get_tag_t($1,3)); + set_print(get_param_print($1,3)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,3)); + tag_print(get_tag_t($1,4)); + set_print(get_param_print($1,4)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,4)); + tag_print(get_tag_t($1,5)); + set_print(get_param_print($1,5)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,5)); + end_it($1); + } + ; + +ltxCommandPOOP : COMMAND_POOP + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,2)); + tag_print(get_tag_t($1,3)); + set_print(get_param_print($1,3)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,3)); + tag_print(get_tag_t($1,4)); + set_print(get_param_print($1,4)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,4)); + end_it($1); + } + ; + +ltxCommandPOOPP : COMMAND_POOPP + { + start_it($1); + tag_print(get_tag_t($1,1)); + set_print(get_param_print($1,1)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,1)); + tag_print(get_tag_t($1,2)); + set_print(get_param_print($1,2)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,2)); + tag_print(get_tag_t($1,3)); + set_print(get_param_print($1,3)); + opt_param = TRUE; + } + OptParam + { + opt_param = FALSE; + reset_print(); + tag_print(get_tag_et($1,3)); + tag_print(get_tag_t($1,4)); + set_print(get_param_print($1,4)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,4)); + tag_print(get_tag_t($1,5)); + set_print(get_param_print($1,5)); + } + ReqParam + { + reset_print(); + tag_print(get_tag_et($1,5)); + end_it($1); + } + ; + + + /*----------- "Uninteresting" stuff ---------------*/ +Words: NAME { $$ = $1; } + | OTHER { $$ = $1; } + ; + +Numbers: INTEGER { $$ = $1; } + | REAL { $$ = $1; } + ; + +l2xOthers: l2xOtherCommand + | l2xOtherBegin + | l2xOtherEnd + | l2xDollars + | CoordStuff { ; } + | l2xNoOps + { + start_it($1); + end_it($1); + } + ; + +l2xOtherCommand: OTHER_COMMAND + { + sym = get_mode_sym(pos_oc); + tag_print(get_t(sym)); + set_print(get_com_print(sym)); + myprint($1); + } + AllParameters + { + reset_print(); + free($1); + sym = get_mode_sym(pos_oc); + tag_print(get_et(sym)); + } + ; + +l2xOtherBegin: OTHER_BEGIN + { + sym = get_mode_sym(pos_ob); + tag_print(get_t(sym)); + set_print(get_com_print(sym)); + myprint($1); + } + AllParameters + { + reset_print(); + free($1); + sym = get_mode_sym(pos_ob); + tag_print(get_et(sym)); + } + ; + +l2xOtherEnd: OTHER_END + { + sym = get_mode_sym(pos_oe); + tag_print(get_t(sym)); + set_print(get_com_print(sym)); + myprint($1); + } + AllParameters + { + reset_print(); + free($1); + sym = get_mode_sym(pos_oe); + tag_print(get_et(sym)); + } + ; + +l2xNoOps: BEGIN_VERBATIM + | END_VERBATIM + | BEGIN_VERB + | END_VERB + | PARAGRAPH + ; + +Coord: LPAREN Numbers COMMA Numbers RPAREN + { + myprint("("); + myprint($2); + free($2); + myprint(","); + myprint($4); + free($4); + myprint(")"); + } + ; + +OptCoord: /* empty */ + | START_COORD Numbers COMMA Numbers END_COORD + { + myprint("("); + myprint($2); + free($2); + myprint(","); + myprint($4); + free($4); + myprint(")"); + } + ; + +CoordStuff: COMMA { myprint(","); } + | LPAREN { myprint("("); } + | RPAREN { myprint(")"); } + | LBRAK { myprint("["); } + | RBRAK { myprint("]"); } + ; + +AllParameters: {all_opt = TRUE;} OptBracketedStuff {all_opt = FALSE;} + ParamList + {all_opt = TRUE;} OptBracketedStuff {all_opt = FALSE;} + ; + +ParamList: /* empty */ + | BracedStuff + | ParamList BracedStuff + ; + +BracedStuff: Lbrace Rbrace + | Lbrace StuffList Rbrace + ; + +BracketedStuff: START_ALLOPT {myprint("[");} END_ALLOPT {myprint("]");} + | START_ALLOPT {myprint("[");} StuffList END_ALLOPT {myprint("]");} + ; + +OptBracketedStuff: /* empty */ + | BracketedStuff + ; + +Lbrace: LBRACE + { + sym = get_mode_sym(pos_lbrace); + tag_print(get_t(sym)); + tag_print(get_et(sym)); + } + ; + +Rbrace: RBRACE + { + sym = get_mode_sym(pos_rbrace); + tag_print(get_t(sym)); + tag_print(get_et(sym)); + } + ; + +l2xDollars: BEGIN_DOLLAR + { + sym = get_mode_sym(pos_bdol); + tag_print(get_t(sym)); + tag_print(get_et(sym)); + } + | END_DOLLAR + { + sym = get_mode_sym(pos_edol); + tag_print(get_t(sym)); + tag_print(get_et(sym)); + } + ; + + /*-------------Specials-----------------*/ + +l2xSpecials: GrammSpecial + ; + + + /*----------- \GRAMMspecial{param text} -----------------*/ +/* start new section, save param text, start description environment */ +GrammSpecial: GRAMMSPECIAL + { + start_section($1); + tag_print(get_t($1)); + tag_print(get_tag_t($1,1)); + initialise_sysbuf(); + set_print(p_print_to_sysbuf); + } + LBRACE StuffList RBRACE + { + initialise_string(grammbuf); + copy_sysbuf(grammbuf); + reset_print(); + prwboiler1(); + print_sysbuf(); + prwboiler2(); + myprint(grammbuf); + prwboiler3(); + start_list($1); + } + ; + + +%% + + + + + + |