diff options
Diffstat (limited to 'examples/cppscan.rec')
| -rw-r--r-- | examples/cppscan.rec | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/examples/cppscan.rec b/examples/cppscan.rec deleted file mode 100644 index 43f297d8..00000000 --- a/examples/cppscan.rec +++ /dev/null @@ -1,183 +0,0 @@ -#include <stdio.h> -#include <string.h> -#include <stdlib.h> - -#define TK_Dlit 256 -#define TK_Slit 257 -#define TK_Float 258 -#define TK_Id 259 -#define TK_NameSep 260 -#define TK_Arrow 261 -#define TK_PlusPlus 262 -#define TK_MinusMinus 263 -#define TK_ArrowStar 264 -#define TK_DotStar 265 -#define TK_ShiftLeft 266 -#define TK_ShiftRight 267 -#define TK_IntegerDecimal 268 -#define TK_IntegerOctal 269 -#define TK_IntegerHex 270 -#define TK_EqualsEquals 271 -#define TK_NotEquals 272 -#define TK_AndAnd 273 -#define TK_OrOr 274 -#define TK_MultAssign 275 -#define TK_DivAssign 276 -#define TK_PercentAssign 277 -#define TK_PlusAssign 278 -#define TK_MinusAssign 279 -#define TK_AmpAssign 280 -#define TK_CaretAssign 281 -#define TK_BarAssign 282 -#define TK_DotDotDot 283 -#define TK_Whitespace 284 -#define TK_Comment 285 - -int line = 1, col = 1; - -void token( int tok, char *data, int len ) -{ - printf( "<%i> ", tok ); - for ( int i = 0; i < len; i++ ) - fputc( data[i], stdout ); - fputc( '\n', stdout ); - - /* Count newlines and columns. This code is here mainly for having some - * code in the token routine when commenting out the above output during - * performance testing. */ - for ( int i = 0; i < len; i ++ ) { - if ( data[i] == '\n' ) { - line += 1; - col = 1; - } - else { - col += 1; - } - } -} - -#define BUFSIZE 8192 -char buf[BUFSIZE]; - -void fill( int n ) -{ - printf("fill(%i)\n", n); - exit(1); -} - -int main() -{ - char *start, *p = buf, *lim = buf, *marker; - int len, have, want, shift; - int done = 0; - -#define YYCTYPE char - -#define YYCURSOR p -#define YYLIMIT lim -#define YYMARKER marker - -#define YYFILL(n) { \ - if ( ! done ) { \ - have = lim-start; \ - if ( start > buf ) { \ - shift = start-buf; \ - memmove( buf, start, have ); \ - start -= shift; \ - p -= shift; \ - lim -= shift; \ - marker -= shift; \ - } \ - want = BUFSIZE - have - 1; \ - len = fread( lim, 1, want, stdin ); \ - lim += len; \ - if ( len < want ) { \ - *lim++ = 0; \ - done = 1; \ - } \ - } \ - } - -again: - start = p; - -/*!re2c - -ANY = [\000-\377]; -FRACTCONST = ( [0-9]* "." [0-9]+ ) | [0-9]+ "."; -EXPONENT = [eE] [+\-]? [0-9]+; -FLOATSUFFIX = [flFL]; - - "L"? "\'" ( ANY \ [\'\\\n] | "\\" ANY )* "\'" { - token( TK_Slit, start, p-start ); - goto again; - } - - "L"? "\"" ( ANY \ [\"\\\n] | "\\" ANY )* "\"" { - token( TK_Dlit, start, p-start ); - goto again; - } - - [a-zA-Z_][a-zA-Z0-9_]* { - token( TK_Id, start, p-start ); - goto again; - } - - ( FRACTCONST EXPONENT? FLOATSUFFIX? ) | ( [0-9]+ EXPONENT FLOATSUFFIX? ) { - token( TK_Float, start, p-start ); - goto again; - } - - - ( "0" | [1-9][0-9]* ) [ulUL]* { - token( TK_IntegerDecimal, start, p-start ); - goto again; - } - - "0" [0-9]+ [ulUL]* { - token( TK_IntegerOctal, start, p-start ); - goto again; - } - - "0x" [0-9a-fA-F]+[ulUL]* { - token( TK_IntegerHex, start, p-start ); - goto again; - } - - "::" { token( TK_NameSep, start, p-start ); goto again; } - "==" { token( TK_EqualsEquals, start, p-start ); goto again; } - "!=" { token( TK_NotEquals, start, p-start ); goto again; } - "&&" { token( TK_AndAnd, start, p-start ); goto again; } - "||" { token( TK_OrOr, start, p-start ); goto again; } - "*=" { token( TK_MultAssign, start, p-start ); goto again; } - "/=" { token( TK_DivAssign, start, p-start ); goto again; } - "%=" { token( TK_PercentAssign, start, p-start ); goto again; } - "+=" { token( TK_PlusAssign, start, p-start ); goto again; } - "-=" { token( TK_MinusAssign, start, p-start ); goto again; } - "&=" { token( TK_AmpAssign, start, p-start ); goto again; } - "^=" { token( TK_CaretAssign, start, p-start ); goto again; } - "|=" { token( TK_BarAssign, start, p-start ); goto again; } - "++" { token( TK_PlusPlus, start, p-start ); goto again; } - "--" { token( TK_MinusMinus, start, p-start ); goto again; } - "->" { token( TK_Arrow, start, p-start ); goto again; } - "->*" { token( TK_ArrowStar, start, p-start ); goto again; } - ".*" { token( TK_DotStar, start, p-start ); goto again; } - "..." { token( TK_DotDotDot, start, p-start ); goto again; } - - "/*" { goto comment; } - "//" (ANY\"\n")* "\n" { goto again; } - [\001-\040\177]+ { goto again; } - - [\041-\057\072-\100\133-\140\173-\176] { - token( *start, start, p-start ); - goto again; - } - "\000" { return 0; } -*/ - -comment: -/*!re2c - "*/" { goto again; } - ANY { goto comment; } -*/ -} |