--- /dev/null
+*.d
+*.ld
+*.exe
+*.log
+*.o
+.targets
+*.gcda
+*.gcno
+*.gcov
--- /dev/null
+/* depend: */
+/* cflags: */
+/* linker: debug.o */
+
+#include <assert.h>
+#include <getopt.h>
+#include <malloc.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "debug.h"
+
+/* macros */
+
+#define BUFSIZE 256
+#define MEMSIZE 10
+
+/* type definition */
+
+/* gobal variables */
+
+char *progname = NULL;
+int p = 0;
+char mem[MEMSIZE] = {0};
+
+/* help function */
+
+int usage (int ret)
+{
+ FILE *fd = ret ? stderr : stdout;
+ fprintf (fd, "usage: %s [-i file] [-h] [-m k&r|ansi|c99] [-o file] [-v]\n", progname);
+ fprintf (fd, " -i : input file\n");
+ fprintf (fd, " -h : help message\n");
+ fprintf (fd, " -m : indent mode\n");
+ fprintf (fd, " -o : output file\n");
+ fprintf (fd, " -v : verbose level (%d)\n", verbose);
+
+ return ret;
+}
+
+/* main function */
+
+int main (int argc, char *argv[])
+{
+ char *input = NULL;
+ char *output = NULL;
+ char *buffer = NULL;
+ int n = 0;
+ int size = 0;
+ FILE *fid = NULL;
+
+ /* get basename */
+ char *pt = progname = argv[0];
+ while (*pt) {
+ if ((*pt == '/') || (*pt == '\\')) {
+ progname = pt + 1;
+ }
+ pt++;
+ }
+
+ int c;
+ while ((c = getopt(argc, argv, "i:o:hv:")) != EOF) {
+ switch (c) {
+ case 'i':
+ input = optarg;
+ break;
+ case 'o':
+ output = optarg;
+ break;
+ case 'v':
+ verbose = atoi (optarg);
+ break;
+ case 'h':
+ default:
+ return usage (c != 'h');
+ }
+ }
+ if (argc - optind != 0) {
+ VERBOSE (ERROR, fprintf (stderr, "%s: invalid option -- %s\n", progname, argv[optind]));
+ return usage (1);
+ }
+
+ /* check input file */
+ if (input) {
+ fid = fopen (input, "r");
+ if (fid == NULL) {
+ VERBOSE (ERROR, fprintf (stderr, "%s: can't open file '%s' for reading\n", progname, input));
+ return 1;
+ }
+ } else {
+ fid = stdin;
+ }
+
+ /* read input file */
+ while (!feof (fid)) {
+ buffer = (char *) realloc (buffer, size + BUFSIZE);
+ if (buffer == NULL) {
+ VERBOSE (ERROR, fprintf (stderr, "%s: can't allocate memory\n", progname));
+ return 1;
+ }
+ memset (buffer + size, 0, BUFSIZE);
+ n = fread (buffer + size, 1, BUFSIZE, fid);
+ if (errno != 0) {
+ VERBOSE (ERROR, fprintf (stderr, "%s: can't read data from file '%s'\n", progname, input));
+ return 1;
+ }
+ size += BUFSIZE;
+ }
+
+ /* close input file */
+ fclose (fid);
+ VERBOSE (DEBUG, fprintf (stderr, "%s: read %d bytes\n", progname, size + n - BUFSIZE));
+
+ /* check output file */
+ if (output) {
+ fid = fopen (output, "w");
+ if (fid == NULL) {
+ VERBOSE (ERROR, fprintf (stderr, "%s: can't open file '%s' for writing\n", progname, output));
+ return 1;
+ }
+ } else {
+ fid = stdout;
+ }
+
+ /* main process */
+ int rc = process (buffer, size, fid);
+
+ /* close output file */
+ fclose (fid);
+
+ return rc;
+}
+
+/* main process */
+int process (char *buffer, int nb, FILE *out) {
+ int i;
+
+ for (i = 0; (i < nb) && (buffer[i] != 0); i++) {
+
+ VERBOSE (DEBUG, fprintf (stderr, "%s: read '%c' (%u)\n", progname, buffer[i], buffer[i]));
+ switch (buffer[i]) {
+ case '>': /* increase pointer */
+ p++;
+ break;
+ case '<': /* decrease pointer */
+ p--;
+ break;
+ case '+': /* increase pointer value */
+ if ((p >= 0) && (p < MEMSIZE)) {
+ mem[p]++;
+ } else {
+ VERBOSE (ERROR, fprintf (stderr, "%s: invalid address (%d)\n", progname, p));
+ return 1;
+ }
+ break;
+ case '-': /* decrease pointer value */
+ if ((p >= 0) && (p < MEMSIZE)) {
+ mem[p]--;
+ } else {
+ VERBOSE (ERROR, fprintf (stderr, "%s: invalid address (%d)\n", progname, p));
+ return 1;
+ }
+ break;
+ case '.': /* output pointer value */
+ if ((p >= 0) && (p < MEMSIZE)) {
+ fprintf (out, "%c", mem[p]);
+ } else {
+ VERBOSE (ERROR, fprintf (stderr, "%s: invalid address (%d)\n", progname, p));
+ return 1;
+ }
+ break;
+ case ',': /* read a byte and store it in memory */
+ if ((p >= 0) && (p < MEMSIZE)) {
+ mem[p] = buffer[++i];
+ } else {
+ VERBOSE (ERROR, fprintf (stderr, "%s: invalid address (%d)\n", progname, p));
+ return 1;
+ }
+ break;
+ case '[': /* jump to right bracket if pointer is set to 0 */
+ if (mem[p] == 0) {
+ int bracket = 1;
+ while ((++i < nb) && (bracket > 0)) {
+ bracket += (buffer[i] == '[') ? +1 : (buffer[i] == ']') ? -1 :0;
+ }
+ if (bracket) {
+ VERBOSE (ERROR, fprintf (stderr, "%s: brace not closed\n", progname));
+ return 1;
+ }
+ } else {
+ return process (buffer + i + 1, nb - i - 1, out);
+ }
+ break;
+ case ']': /* jump to left bracket if pointer is different to 0 */
+ if (mem[p] != 0) {
+ i = -1;
+ }
+ break;
+ case '\n':
+ case '\r':
+ break;
+ default:
+ VERBOSE (WARNING, fprintf (stderr, "%s: can't understand '%c'\n", progname, buffer[i]));
+ }
+
+ //VERBOSE (DEBUG, int _i; fprintf (stderr, "%s: p: %d mem:", progname, p); for (_i = 0; _i < MEMSIZE; _i++) fprintf (stderr, " %d", mem[_i]); fprintf (stderr, "\n"));
+
+ }
+
+ return 0;
+}
+
+// test: bf.exe -h
+// test: bf.exe -h | awk '/usage:/ { rc=1 } END { exit (1-rc) }'
+// test: bf.exe -_ 2> /dev/null | awk 'END { if (NR == 0) { exit(0) } else exit (1) }'
+// test: bf.exe -_ 2>&1 | awk '/usage:/ { rc=1 } END { exit (1-rc) }'
+// test: echo '++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>.' | bf.exe
+// test: echo '++++++++++[>+>+++>+++++++>++++++++++<<<<-]>>>++++++++++++++.>+++++++++++++++++.<<++.>+++++++++++++.>--.<<.>+++.+.--.>----.++++++.+.<++.>----.++.<<.>>+.-------.<<.>>++.<.>+++++.<<.>-.+.<.>---.>---.<-.++++++++.>----.<---.>+++++++.<---.++++++++.' | bf.exe
+// test: echo ',3>,2>>++++++++++++++++[-<+++<---<--->>>]<<[<[>>+>+<<<-]>>>[<<<+>>>-]<<-]>.' | bf.exe
+
+/* vim: set ts=4 sw=4 et: */
--- /dev/null
+#include "debug.h"
+
+int verbose = 1;
+
+/* vim: set ts=4 sw=4 et: */
--- /dev/null
+#ifndef __DEBUG_H__
+#define __DEBUG_H__
+
+/* constants */
+
+#define DEBUG 3
+#define INFO 2
+#define WARNING 1
+#define ERROR 0
+
+/* macros */
+
+#define VERBOSE(level, statement...) do { if (level <= verbose) { statement; fflush (stdout); fflush (stderr); } } while(0)
+
+/* gobal variables */
+
+extern int verbose;
+
+#endif /* __DEBUG_H__ */
+
+/* vim: set ts=4 sw=4 et: */
--- /dev/null
+#!/usr/bin/perl
+
+use strict;
+
+# default value
+my $format = "%";
+my $pattern = "";
+
+# help message
+sub usage() {
+
+ print <<EOF;
+usage: getcomments [-f string] [-h] [-p regex] file...
+ -f|--format string: format string for output printing [%]
+ -h|--help: help message
+ -p|--pattern regex: pattern matching on block []
+
+ Extract C/C++ block of comments
+
+Example: getcomments.pl -p='test:\\s' -f='./%' random.c
+EOF
+
+ exit 1;
+}
+
+usage() if ($#ARGV < 0);
+
+# process argument
+foreach my $arg (@ARGV) {
+ use vars qw/$caif $caip $naif $naip/;
+
+ # analyse format argument
+ ($caif, $_) = ($arg =~ /^(-f|--format)=(.*)/);
+ ($caif, $_) = (1, $arg) if ($naif);
+ next if ($naif = ($arg =~ /^(-f|--format)$/));
+ if ($caif) { $format = $_; next }
+
+ # check for help message
+ usage() if ($arg =~ /^(-h|--help)$/);
+
+ # analyse pattern argument
+ ($caip, $_) = ($arg =~ /^(-p|--pattern)=(.*)/);
+ ($caip, $_) = (1, $arg) if ($naip);
+ next if ($naip = ($arg =~ /^(-p|--pattern)$/));
+ if ($caip) { $pattern = $_; next }
+
+ # no more argument, only file
+ my $filename = $arg;
+
+ # open file
+ if (!open (IN, "<", $filename)) {
+ print "Can not open $filename\n";
+ }
+
+ # init table of comments
+ my @comments;
+ $#comments = -1;
+
+ # read all the file
+ while ($_ .= <IN>) {
+ my $cmt;
+
+ # process c++ comments
+ ($cmt, $_) = m{//\s*(.*?)\s*$()} if (m{//} && !m{/\*.*//});
+
+ # process standard c comments
+ ($cmt, $_) = m{^.*?/\*\s*(.*?)\s*\*/(.*)}s if (m{/\*.*\*/}s);
+
+ push(@comments, $cmt) if ($cmt);
+
+ # empty buffer if no comment is present
+ undef($_) if (!m{/[/*]});
+ }
+
+ # close file
+ close (IN);
+
+ # display comment blocks
+ foreach my $block (@comments) {
+ if (($block) = ($block =~ /$pattern(.*)/s)) {
+ ($_ = $format) =~ s/%/$block/gs;
+ print "$_\n";
+ }
+ }
+}
--- /dev/null
+# Default flags
+
+CC = gcc
+
+#INCLUDES = -I../debug -D__MEMORY_ALLOCATION__
+INCLUDES =
+OFLAGS = -O4 -Os
+#OFLAGS = -O4 -ffast-math -finline-functions
+#OFLAGS = -O4 -finline-functions
+#OFLAGS += -mtune=pentium3 -mmmx -msse -msse2 -m3dnow
+#OFLAGS += -minline-all-stringops -fsingle-precision-constant
+#OFLAGS += -malign-double
+CFLAGS += -W -Wall -Wextra -g
+#CFLAGS += -std=c99 -D_XOPEN_SOURCE=500
+CFLAGS += $(OFLAGS) $(INCLUDES) $(GCOV)
+LDFLAGS += -g $(GCOV)
+
+# Targets
+
+ALLEXE =
+ALLEXE += bf
+
+SHELL = bash
+
+#MAKE = mingw32-make
+MAKEFLAGS += -s
+include $(wildcard .makefile)
+
+# Functions
+
+TITLE = echo -en "\033[0;1m$(strip $(1))\033[0;0m:\t"
+PASS = echo -e "\033[1;32m$(strip $(1))\033[0;0m"
+WARN = echo -e "\033[1;33m$(strip $(1))\033[0;0m"
+FAIL = echo -e "\033[1;31m$(strip $(1))\033[0;0m"
+
+MKDIR = mkdir -p $(1) && chmod a+rx,go-w $(1)
+
+INSTALL = test -d `dirname $(2)` || $(call MKDIR, `dirname $(2)`) && cp -pa $(1) $(2) && chmod a+rX,go-w $(2)
+
+VALID = $(call TITLE, $(1)) && $(2) && $(call PASS, SUCCESS) || { $(call FAIL, FAILED); test; }
+
+## Generic rules
+
+all: depends
+ $(MAKE) $(ALLEXE:%=%.exe)
+
+count:
+ wc $(wildcard *.c *.h) $(MAKEFILE_LIST)
+
+clean:
+ $(call TITLE, "Cleaning")
+ touch clean
+ rm -f clean $(wildcard *.d *.ld *.log *.o *.test *~ .exec_*)
+ $(call PASS, SUCCESS)
+
+depends: $(patsubst %.c, %.d, $(wildcard *.c)) $(patsubst %, %.ld, $(ALLEXE))
+
+gcovs:
+ $(MAKE) $(addprefix gcov_,$(ALLEXE))
+
+purge: clean
+ $(call TITLE, "Purging")
+ touch purge
+ rm -f purge $(ALLEXE:%=%.exe)
+ $(call PASS, SUCCESS)
+
+valgrinds:
+ $(MAKE) $(addprefix valgrind_,$(ALLEXE))
+
+wipe: purge
+ $(call TITLE, "Wiping")
+ touch wipe
+ rm -f wipe $(wildcard *.gcda *.gcno *.gcov)
+ $(call PASS, SUCCESS)
+
+tests: all
+ $(MAKE) $(addprefix test_,$(ALLEXE))
+
+## Main rules
+
+include $(wildcard *.d)
+include $(wildcard *.ld)
+
+gcov_%:
+ $(MAKE) purge
+ GCOV="-coverage -O0" $(MAKE)
+ $(MAKE) test_$(@:gcov_%=%)
+ gcov `sed -e 's/\.exe:/.c/;s/\.o/.c/g' $(@:gcov_%=%.ld)`
+ touch gcov
+ rm -f gcov $(wildcard *.gcda *.gcno)
+ $(MAKE) purge
+ grep '#####' *.c.gcov || true
+
+%.test: %.c
+ $(call TITLE, "Building $@")
+# awk '/\/\* *test:.*\*\// { sub(/^.*\/\* *test: */, ""); sub(/ *\*\/.*$$/, ""); print }' $< > $@
+ perl -- getcomments.pl -p='test:\s' -f='%' $< > $@
+ $(call PASS, SUCCESS)
+
+test_%: %.test %.exe
+ IFS=$$'\n'; RC=0; \
+ for test in `cat $< | sed 's,${<:.test=.exe},$(VALGRIND) ./${<:.test=.exe},g'`; do \
+ echo "=== $$test ==="; \
+ eval $$test; \
+ [ $$? -eq 0 ] && echo -e "\033[1;32mSUCCESS\033[0;0m" \
+ || { echo -e "\033[1;31mFAILED\033[0;0m"; RC=1; }; \
+ done; \
+ test "$$RC" -ne 1
+
+valgrind_%: %.exe
+ VALGRIND="valgrind -v --leak-check=full --log-fd=3"; \
+ export VALGRIND; \
+ $(MAKE) $(@:valgrind_%=test_%) 3>$@.log
+
+%.d: %.c
+ $(call TITLE, "Building $@")
+ $(CC) $(INCLUDES) -MM $< -o $@~
+ echo ${<:.c=.o}: $(shell perl -- getcomments.pl -p='depend:\s' -f='%' $<) >> $@~
+ mv $@~ $@
+ $(call PASS, SUCCESS)
+
+%.ld: %.c
+ $(call TITLE, "Building $@")
+ echo ${<:.c=.exe}: $(shell perl -- getcomments.pl -p='linker:\s' -f='%' $< | awk '{for (i=1;i<=NF;i++) if ($$(i) ~ /.o$$/) printf " %s", $$(i)}') > $@
+ $(call PASS, SUCCESS)
+
+%.o: %.c
+ $(call TITLE, "Building $@")
+ $(CC) $(CFLAGS) $(INCLUDES) $(shell perl -- getcomments.pl -p='cflags:\s' -f='%' $<) -c $< -o $@
+ $(call PASS, SUCCESS)
+
+
+%.exe: %.o %.d
+ $(call TITLE, "Building $@")
+ $(CC) $(LDFLAGS) $< $(shell perl -- getcomments.pl -p='linker:\s' -f='%' ${<:.o=.c}) -o $@
+ $(call PASS, SUCCESS)
+
+## Phony
+
+.PHONY: all clean count depends gcovs purge tests
+
+## Precious
+
+.PRECIOUS: %.d %.o