| %option noyywrap |
| /* |
| Copyright (C) 2021-2024 Free Software Foundation, Inc. |
| |
| This file is part of GAS, the GNU Assembler. |
| |
| GAS 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 3, or (at your option) |
| any later version. |
| |
| GAS 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; see the file COPYING3. If not, |
| see <http://www.gnu.org/licenses/>. */ |
| %{ |
| #include "as.h" |
| #include "loongarch-parse.h" |
| |
| /* Flex generates static functions "input" & "unput" which are not used. */ |
| #define YY_NO_INPUT |
| #define YY_NO_UNPUT |
| %} |
| |
| D [0-9] |
| /* We consider anything greater than \x7f to be a "letter" for UTF-8 |
| support. See the lex_type array in ../read.c. */ |
| L [a-zA-Z_\.\$\x80-\xff] |
| H [0-9A-Fa-f] |
| |
| hex 0[xX]{H}+ |
| oct 0[0-7]+ |
| bin 0[bB][01]+ |
| dec ([1-9]{D}*)|0 |
| id ({D}+[fb])|({L}({D}|{L})*)|(:{dec}[bf]) |
| ws [ \t\v\f]+ |
| |
| %% |
| |
| {dec} { yylval.imm = strtoull (yytext, 0, 0); return INTEGER; } |
| {hex} { yylval.imm = strtoull (yytext + 2, 0, 16); return INTEGER; } |
| {bin} { yylval.imm = strtoull (yytext + 2, 0, 2); return INTEGER; } |
| {oct} { yylval.imm = strtoull (yytext + 1, 0, 8); return INTEGER; } |
| {id} { yylval.c_str = strdup (yytext);return IDENTIFIER; } |
| {ws} { } |
| |
| ">>" { return RIGHT_OP; } |
| "<<" { return LEFT_OP; } |
| "&&" { return AND_OP; } |
| "||" { return OR_OP; } |
| "<=" { return LE_OP; } |
| ">=" { return GE_OP; } |
| "==" { return EQ_OP; } |
| "!=" { return NE_OP; } |
| . { return yytext[0];} |
| |
| %% |