From cc95461945a2d570febfe69394e152fb78e9f481 Mon Sep 17 00:00:00 2001
From: Peter Tang <petersktang@gmail.com>
Date: Sat, 30 Sep 2023 15:06:35 +0800
Subject: [PATCH] Delete Sources/TexParser directory

---
 Sources/TexParser/TeX.g4 | 122 ---------------------------------------
 1 file changed, 122 deletions(-)
 delete mode 100644 Sources/TexParser/TeX.g4

diff --git a/Sources/TexParser/TeX.g4 b/Sources/TexParser/TeX.g4
deleted file mode 100644
index ac4e66d..0000000
--- a/Sources/TexParser/TeX.g4
+++ /dev/null
@@ -1,122 +0,0 @@
-// antlr4env.bat
-// antlr TeX.g4 -visitor -no-listener -o gen
-// antlr TeX.g4 -visitor -no-listener -Dlanguage=Swift -o Swift
-
-grammar TeX;
-
-prog:   stat;
-
-stat:   expr (NEWLINE|EOF )                             # printExpr
-    |   expr EQUAL expr (NEWLINE|EOF)                   # equal
-    |   expr op=(LT|GT|LEQQ|GEQQ|LARROW|RARROW) expr (NEWLINE|EOF)    # relation
-    ;
-
-expr:   FLOAT                                           # float
-    |   INT                                             # int
-    |   SEQ_TERM L_BRACE expr R_BRACE                   # seqterm
-    |   gz=(GAMMAF|ZETAF) expr R_PAREN                  # gammaf_zetaf
-    |   FUNCTION expr R_PAREN                           # function
-    |   const=(PI|IMAGINARY_UNIT|NAPIER_CONSTANT|INFTY) # mathconst
-    |   GREEK                                           # greek
-    |   ALPHABET                                        # alphabet
-    |   expr FACTORIAL                                  # factrial
-    |   expr CARET  expr                                # power
-    |   MINUS expr                                      # MinusExpr
-    |   PLUS expr                                       # PlusExpr
-    |   expr DIV expr                                   # div
-    |   expr MULT expr                                  # mult
-    |   expr op=( PLUS | MINUS ) expr                   # AddSub
-    |   expr expr                                       # mull
-    |   func=(SQRT|SIN|COS|TAN|LOG)  L_BRACE expr R_BRACE                       # func
-    |   func=(SIN|COS|TAN) CARET  L_BRACE expr R_BRACE  L_BRACE expr R_BRACE    # trign
-    |   SQRT L_BRACKET expr R_BRACKET L_BRACE expr R_BRACE                      # sqrtn
-    |   LOG UB L_BRACE expr R_BRACE L_BRACE expr R_BRACE                        # logub
-    |   L_PIPE expr R_PIPE                                                      # abs
-    |   (DIFF|DDIFF)  R_BRACE  L_BRACE dxg=(DX|DGREEK) R_BRACE L_BRACE expr R_BRACE     # diff
-    |   L_PAREN (DIFF|DDIFF)  R_BRACE  L_BRACE dxg=(DX|DGREEK) R_BRACE R_PAREN CARET L_BRACE expr R_BRACE L_BRACE expr R_BRACE              # diffn1
-    |   (DIFF|DDIFF) CARET L_BRACE expr R_BRACE R_BRACE  L_BRACE dxg=(DX|DGREEK) CARET L_BRACE expr R_BRACE R_BRACE  L_BRACE expr R_BRACE   # diffn2
-    |   INTEGRATE L_BRACE expr dxg=(DX|DGREEK) R_BRACE                                                                              # integrate
-    |   INTEGRATE UB L_BRACE expr R_BRACE CARET L_BRACE expr R_BRACE  L_BRACE expr dxg=(DX|DGREEK) R_BRACE                          # dintegrate
-    |   LIM UB L_BRACE expr TO expr R_BRACE L_BRACE expr R_BRACE                                                                    # lim
-    |   (FRAC|DFRAC) L_BRACE expr R_BRACE L_BRACE expr R_BRACE                                                                      # frac
-    |   SUM  UB L_BRACE expr EQUAL expr R_BRACE CARET L_BRACE expr R_BRACE L_BRACE expr R_BRACE                                     # sum
-    |   UB L_BRACE expr R_BRACE cp=(COMBI|PERMU) UB L_BRACE expr R_BRACE                                                            # combi_permu
-    |   CS_L_PAREN expr CS_R_PAREN                                    # cs_parens
-    |   L_PAREN expr R_PAREN                                          # parens
-    |   CS_BS_L_BRACE expr CS_BS_R_BRACE                              # cs_bs_braces
-    |   BS_L_BRACE expr BS_R_BRACE                                    # bs_braces
-    |   L_BRACE expr R_BRACE                                          # braces
-    ;
-
-
-GREEK : ('aalpha'|'bbeta'|'ggamma'|'ddelta'|'eepsilon'|'eeta'|'ttheta'|'iiota'|'kkappa'|'llambda'|'mmu'|'nnu'|
-                            'xxi'|'pppi'|'rrho'|'ssigma'|'ttau'|'uupsilon'|'pphi'|'cchi'|'ppsi'|'oomega') ; // except zeta, omicron
-ALPHABET :   [a-zA-DFGHJ-RT-Z] ;
-FLOAT :  [0-9]* '.'[0-9]+ ;
-INT :   [0-9]+ ;
-NEWLINE:'\r'? '\n' ;     // return newlines to parser (is end-statement signal)
-WS  :   [ \t]+ -> skip ; // toss out whitespace
-LATEX_SP  :   ('\\!'|'\\,'|'\\:'|'\\;'|'~') -> skip ;
-
-// math constant
-PI : '\\ppi';
-IMAGINARY_UNIT : '\\ii';
-NAPIER_CONSTANT : '\\ee' ;
-
-CS_L_PAREN: '\\left(';
-CS_R_PAREN: '\\right)';
-L_PAREN: '(';
-R_PAREN: ')';
-CS_BS_L_BRACE: '\\left\\{';
-CS_BS_R_BRACE: '\\right\\}';
-BS_L_BRACE: '\\{';
-BS_R_BRACE: '\\}';
-L_BRACE: '{';
-R_BRACE: '}';
-L_BRACKET: '[';
-R_BRACKET: ']';
-L_PIPE : '\\left|' ;
-R_PIPE : '\\right|' ;
-    
-MULT :   ('*'|'\\times'|'\\cdot') ;
-DIV :     '\\div' ;
-PLUS :   '+' ;
-MINUS :   '-' ;
-CARET : ('^'|'**');
-UB : '_' ;
-FACTORIAL : '!' ;
-
-DIFF : '\\frac{d';
-DDIFF : '\\dfrac{d';
-INTEGRATE : '\\int' ;
-DX : [d][a-z] ;
-DGREEK : [d]GREEK ;
-
-SQRT : '\\sqrt' ;
-SIN  : '\\sin' ;
-COS  : '\\cos' ;
-TAN  : '\\tan' ;
-LOG  : '\\log' ;
-
-FRAC : '\\frac' ;
-DFRAC : '\\dfrac' ;
-SUM : '\\sum' ;
-LIM : '\\lim'  ;
-TO  : '\\to' ;
-INFTY : '\\infty' ;
-
-COMBI : '\\C' ;
-PERMU : '\\P' ;
-SEQ_TERM : [a-z] '_' ;
-FUNCTION : 'f(' ;
-GAMMAF: '\\Gamma(' ;
-ZETAF : '\\zeta(' ;
-
-EQUAL : '=';
-LT: '<';
-LEQQ: '\\leqq';
-GT: '>';
-GEQQ: '\\geqq';
-
-LARROW: '<--';
-RARROW: '-->';