X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginsh%2Fginsh_lexer.ll;h=f44a95c10b95ae57b3908f6cbdc6d165b267ae51;hp=250403536b19094cfea4ca69ade10bb6913341fa;hb=4f2cf6aebc213c200b98fde6adb7133e8688530d;hpb=fa792492f853255f78b3e10c6f727fd10ad45cac diff --git a/ginsh/ginsh_lexer.ll b/ginsh/ginsh_lexer.ll index 25040353..f44a95c1 100644 --- a/ginsh/ginsh_lexer.ll +++ b/ginsh/ginsh_lexer.ll @@ -4,7 +4,7 @@ * This file must be processed with flex. */ /* - * GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany + * GiNaC Copyright (C) 1999-2009 Johannes Gutenberg University Mainz, Germany * * 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 @@ -18,7 +18,7 @@ * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -26,6 +26,8 @@ * Definitions */ +%pointer + %{ #include "config.h" @@ -37,6 +39,9 @@ // Table of all used symbols sym_tab syms; +// Type of symbols to generate (real or complex) +unsigned symboltype = domain::complex; + // lex input function static int ginsh_input(char *buf, int max_size); %} @@ -55,7 +60,8 @@ AN [0-9a-zA-Z_] %% [ \t\n]+ /* skip whitespace */ \\$ /* skip line continuations */ -"#".* /* skip comments starting with "#" */ +"//".* /* skip comments starting with "//" */ +^"#".* /* skip lines starting with "#" */ ^"!".* system(yytext + 1); /* execute shell command */ /* special values */ @@ -70,13 +76,16 @@ Digits yylval = (long)Digits; return T_DIGITS; quit|exit return T_QUIT; warranty return T_WARRANTY; print return T_PRINT; -read return T_READ; -write return T_WRITE; +iprint return T_IPRINT; +print_latex return T_PRINTLATEX; +print_csrc return T_PRINTCSRC; time return T_TIME; xyzzy return T_XYZZY; inventory return T_INVENTORY; look return T_LOOK; score return T_SCORE; +complex_symbols return T_COMPLEX_SYMBOLS; +real_symbols return T_REAL_SYMBOLS; /* comparison */ "==" return T_EQUAL; @@ -85,16 +94,16 @@ score return T_SCORE; ">=" return T_GREATEREQ; /* last 1..3 expressions */ -\" return T_QUOTE; -\"\" return T_QUOTE2; -\"\"\" return T_QUOTE3; - - /* matrix delimiters */ -\[\[ return T_MATRIX_BEGIN; -\]\] return T_MATRIX_END; +\% return T_QUOTE; +\%\% return T_QUOTE2; +\%\%\% return T_QUOTE3; /* numbers */ {D}+ | +"#"{D}+"R"{AN}+ | +"#b"([01])+ | +"#o"[0-7]+ | +"#x"[0-9a-fA-F]+ | {D}+"."{D}*({E})? | {D}*"."{D}+({E})? | {D}+{E} yylval = numeric(yytext); return T_NUMBER; @@ -103,12 +112,23 @@ score return T_SCORE; {A}{AN}* { sym_tab::const_iterator i = syms.find(yytext); if (i == syms.end()) { - yylval = syms[yytext] = *(new symbol(yytext)); + if (symboltype == domain::complex) { + symbol tmp(yytext); + syms[yytext] = tmp; + yylval = tmp; + } else { + realsymbol tmp(yytext); + syms[yytext] = tmp; + yylval = tmp; + } } else yylval = i->second; return T_SYMBOL; } + /* wildcards */ +\${D}+ yylval = wild(atoi(yytext + 1)); return T_LITERAL; + /* everything else */ . return *yytext; @@ -127,7 +147,11 @@ static char *line_ptr; static int ginsh_input(char *buf, int max_size) { int result; +#if defined(YY_CURRENT_BUFFER) + if (YY_CURRENT_BUFFER->yy_is_interactive) { +#else if (yy_current_buffer->yy_is_interactive) { +#endif #ifdef HAVE_LIBREADLINE // Do we need to read a new line? int actual;