Mercurial > repo
view share/delvs-master/bf.h @ 6707:2dd82f6f2ed9
<zgrep> ` echo \'if not o.path.isfile(a):print u.check_output(["?",a]),;exit()\' >> bin/tomfoolery
author | HackBot |
---|---|
date | Wed, 10 Feb 2016 02:56:49 +0000 |
parents | 38a5b4d8a98e |
children |
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#include <stdio.h> #define c g->code #define p g->pointer #define f g->file struct Data { const char *code; char vars[30000]; char *pointer; }; void dummyLexer(struct Data *g) { while(*c) if(*c++ == ']') return; } void lexer(struct Data *g) { const char *cc = c; while(*c) { switch (*c++) { case '>': ++p; break; case '<': --p; break; case '+': ++*p; break; case '-': --*p; break; case '.': putchar(*p); break; case ',': *p = getchar(); break; case '[': cc = c; if(!*p) dummyLexer(g); while(*p) { c = cc; // restore char position to start of loop lexer(g); } break; case ']': return; default: // everything else is comments break; } } return; } /* * Usage: * struct Data g; * g.code = file; * g.pointer = &g.data[15000]; * lexer(&g); */