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KevinBaileyCrumKevinBaileyCrum
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this is for the lukey boy
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‎Makefile‎

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# $Id: Makefile,v 1.4 2016-09-21 16:56:20-07 - - $
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GPP = g++ -std=gnu++14 -g -O0 -Wall -Wextra
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MKDEP = g++ -std=gnu++14 -MM
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MKFILE = Makefile
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DEPFILE = Makefile.dep
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SOURCES = string_set.cpp main.cpp
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HEADERS = string_set.h
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OBJECTS = ${SOURCES:.cpp=.o}
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EXECBIN = oc
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SRCFILES = ${HEADERS} ${SOURCES} ${MKFILE}
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all : ${EXECBIN}
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${EXECBIN} : ${OBJECTS}
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${GPP} ${OBJECTS} -o ${EXECBIN}
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%.o : %.cpp
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${GPP} -c $<
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ci :
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cid + ${SRCFILES}
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clean :
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-rm ${OBJECTS} ${DEPFILE}
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spotless : clean
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- rm ${EXECBIN} Listing.ps Listing.pdf test.out
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${DEPFILE} :
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${MKDEP} ${SOURCES} >${DEPFILE}
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dep :
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- rm ${DEPFILE}
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${MAKE} --no-print-directory ${DEPFILE}
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include ${DEPFILE}
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test : ${EXECBIN}
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${EXECBIN} * * * >test.out 2>&1
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lis : test
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mkpspdf Listing.ps ${SRCFILES} ${DEPFILE} test.out
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again : ${SRCFILES}
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make --no-print-directory spotless dep ci test lis

‎cppstrtok.cpp‎

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// $Id: cppstrtok.cpp,v 1.8 2017-09-21 15:51:23-07 - - $
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// Use cpp to scan a file and print line numbers.
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// Print out each input line read in, then strtok it for
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// tokens.
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#include <string>
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using namespace std;
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#include <errno.h>
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#include <libgen.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wait.h>
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const string CPP = "/usr/bin/cpp -nostdinc";
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constexpr size_t LINESIZE = 1024;
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// Chomp the last character from a buffer if it is delim.
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void chomp (char* string, char delim) {
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size_t len = strlen (string);
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if (len == 0) return;
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char* nlpos = string + len - 1;
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if (*nlpos == delim) *nlpos = '\0';
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}
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// Print the meaning of a signal.
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static void eprint_signal (const char* kind, int signal) {
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fprintf (stderr, ", %s %d", kind, signal);
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const char* sigstr = strsignal (signal);
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if (sigstr != NULL) fprintf (stderr, " %s", sigstr);
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}
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// Print the status returned from a subprocess.
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void eprint_status (const char* command, int status) {
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if (status == 0) return;
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fprintf (stderr, "%s: status 0x%04X", command, status);
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if (WIFEXITED (status)) {
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fprintf (stderr, ", exit %d", WEXITSTATUS (status));
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}
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if (WIFSIGNALED (status)) {
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eprint_signal ("Terminated", WTERMSIG (status));
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#ifdef WCOREDUMP
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if (WCOREDUMP (status)) fprintf (stderr, ", core dumped");
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#endif
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}
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if (WIFSTOPPED (status)) {
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eprint_signal ("Stopped", WSTOPSIG (status));
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}
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if (WIFCONTINUED (status)) {
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fprintf (stderr, ", Continued");
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}
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fprintf (stderr, "\n");
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}
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// Run cpp against the lines of the file.
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void cpplines (FILE* pipe, const char* filename) {
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int linenr = 1;
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char inputname[LINESIZE];
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strcpy (inputname, filename);
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for (;;) {
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char buffer[LINESIZE];
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char* fgets_rc = fgets (buffer, LINESIZE, pipe);
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if (fgets_rc == NULL) break;
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chomp (buffer, '\n');
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printf ("%s:line %d: [%s]\n", filename, linenr, buffer);
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// http://gcc.gnu.org/onlinedocs/cpp/Preprocessor-Output.html
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int sscanf_rc = sscanf (buffer, "# %d \"%[^\"]\"",
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&linenr, inputname);
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if (sscanf_rc == 2) {
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printf ("DIRECTIVE: line %d file \"%s\"\n", linenr, inputname);
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continue;
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}
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char* savepos = NULL;
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char* bufptr = buffer;
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for (int tokenct = 1;; ++tokenct) {
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char* token = strtok_r (bufptr, " \t\n", &savepos);
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bufptr = NULL;
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if (token == NULL) break;
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printf ("token %d.%d: [%s]\n",
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linenr, tokenct, token);
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}
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++linenr;
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}
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}
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int main (int argc, char** argv) {
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const char* execname = basename (argv[0]);
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int exit_status = EXIT_SUCCESS;
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for (int argi = 1; argi < argc; ++argi) {
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char* filename = argv[argi];
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string command = CPP + " " + filename;
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printf ("command=\"%s\"\n", command.c_str());
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FILE* pipe = popen (command.c_str(), "r");
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if (pipe == NULL) {
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exit_status = EXIT_FAILURE;
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fprintf (stderr, "%s: %s: %s\n",
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execname, command.c_str(), strerror (errno));
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}else {
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cpplines (pipe, filename);
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int pclose_rc = pclose (pipe);
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eprint_status (command.c_str(), pclose_rc);
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if (pclose_rc != 0) exit_status = EXIT_FAILURE;
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}
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}
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return exit_status;
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}
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‎foo.oc‎

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line 1// $Id: foo.oc,v 1.1 2017-09-21 15:52:37-07 - - $
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__FILE__ __LINE__ __DATE__ __TIME__
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foo.oc, line 3.
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#include "foo1.oh"
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foo.oc, line 5.
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#include "foo2.oh"
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/* Comment */ on line 7
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FOO1 + FOO2;
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foo.oc, line 9, last line.

‎foo1.oh‎

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// $Id: foo1.oh,v 1.1 2017-09-21 15:52:37-07 - - $
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__FILE__ __LINE__ __DATE__ __TIME__
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foo1.h, line 3.
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foo1.h, line 4.
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// Comment.
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foo1.h, line 6. /* Comment */ last line
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#define FOO1 "foo1"

‎main.cpp‎

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// $Id: main.cpp,v 1.2 2016-08-18 15:13:48-07 - - $
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#include <string>
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using namespace std;
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "string_set.h"
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int main (int argc, char** argv) {
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for (int i = 1; i < argc; ++i) {
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const string* str = string_set::intern (argv[i]);
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printf ("intern (\"%s\") returned %p->\"%s\"\n", /* eventually */
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argv[i], str, str->c_str()); /*change intern*/
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}
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string_set::dump (stdout);
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return EXIT_SUCCESS;
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}
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‎string_set.cpp‎

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// $Id: string_set.cpp,v 1.4 2016-09-21 16:56:20-07 - - $
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#include <string>
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#include <unordered_set>
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using namespace std;
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#include "string_set.h"
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unordered_set<string> string_set::set;
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string_set::string_set() {
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set.max_load_factor (0.5);
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}
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const string* string_set::intern (const char* string) {
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auto handle = set.insert (string);
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return &*handle.first;
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}
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void string_set::dump (FILE* out) {
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static unordered_set<string>::hasher hash_fn
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= string_set::set.hash_function();
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size_t max_bucket_size = 0;
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for (size_t bucket = 0; bucket < set.bucket_count(); ++bucket) {
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bool need_index = true;
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size_t curr_size = set.bucket_size (bucket);
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if (max_bucket_size < curr_size) max_bucket_size = curr_size;
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for (auto itor = set.cbegin (bucket);
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itor != set.cend (bucket); ++itor) {
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if (need_index) fprintf (out, "hash[%4zu]: ", bucket); // hash
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else fprintf (out, " %4s ", "");
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need_index = false;
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const string* str = &*itor;
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fprintf (out, "%22zu %p->\"%s\"\n", hash_fn(*str),
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str, str->c_str());
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}
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}
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// print out hash table
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fprintf (out, "load_factor = %.3f\n", set.load_factor());
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fprintf (out, "bucket_count = %zu\n", set.bucket_count());
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fprintf (out, "max_bucket_size = %zu\n", max_bucket_size);
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}
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// 30: %4zu -- zu returns value from sizeof and 4 makes it line up nice
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// 30: prints bucket instead of hashed value

‎string_set.h‎

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// $Id: string_set.h,v 1.2 2016-08-18 15:13:48-07 - - $
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#ifndef __STRING_SET__
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#define __STRING_SET__
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#include <string>
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#include <unordered_set>
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using namespace std;
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#include <stdio.h>
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struct string_set {
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string_set();
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static unordered_set<string> set; // hash
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static const string* intern (const char*);
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static void dump (FILE*);
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};
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#endif
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‎test.out‎

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==27485== Memcheck, a memory error detector
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==27485== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
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==27485== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
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==27485== Command: cppstrtok foo.oc
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==27485==
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command="/usr/bin/cpp -nostdinc foo.oc"
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foo.oc:line 1: [# 1 "foo.oc"]
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DIRECTIVE: line 1 file "foo.oc"
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foo.oc:line 1: [# 1 "<built-in>"]
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DIRECTIVE: line 1 file "<built-in>"
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foo.oc:line 1: [# 1 "<command-line>"]
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DIRECTIVE: line 1 file "<command-line>"
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foo.oc:line 1: [# 1 "foo.oc"]
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DIRECTIVE: line 1 file "foo.oc"
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foo.oc:line 1: [line 1]
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token 1.1: [line]
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token 1.2: [1]
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foo.oc:line 2: ["foo.oc" 2 "Sep 21 2017" "15:52:44"]
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token 2.1: ["foo.oc"]
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token 2.2: [2]
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token 2.3: ["Sep]
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token 2.4: [21]
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token 2.5: [2017"]
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token 2.6: ["15:52:44"]
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foo.oc:line 3: [foo.oc, line 3.]
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token 3.1: [foo.oc,]
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token 3.2: [line]
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token 3.3: [3.]
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foo.oc:line 4: [# 1 "foo1.oh" 1]
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DIRECTIVE: line 1 file "foo1.oh"
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foo.oc:line 1: []
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foo.oc:line 2: ["foo1.oh" 2 "Sep 21 2017" "15:52:44"]
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token 2.1: ["foo1.oh"]
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token 2.2: [2]
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token 2.3: ["Sep]
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token 2.4: [21]
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token 2.5: [2017"]
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token 2.6: ["15:52:44"]
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foo.oc:line 3: [foo1.h, line 3.]
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token 3.1: [foo1.h,]
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token 3.2: [line]
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token 3.3: [3.]
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foo.oc:line 4: [foo1.h, line 4.]
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token 4.1: [foo1.h,]
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token 4.2: [line]
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token 4.3: [4.]
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foo.oc:line 5: []
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foo.oc:line 6: [foo1.h, line 6. last line]
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token 6.1: [foo1.h,]
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token 6.2: [line]
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token 6.3: [6.]
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token 6.4: [last]
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token 6.5: [line]
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foo.oc:line 7: [# 5 "foo.oc" 2]
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DIRECTIVE: line 5 file "foo.oc"
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foo.oc:line 5: [foo.oc, line 5.]
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token 5.1: [foo.oc,]
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token 5.2: [line]
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token 5.3: [5.]
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foo.oc:line 6: [# 1 "foo2.oh" 1]
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DIRECTIVE: line 1 file "foo2.oh"
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foo.oc:line 1: []
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foo.oc:line 2: ["foo2.oh" 2 "Sep 21 2017" "15:52:44"]
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token 2.1: ["foo2.oh"]
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token 2.2: [2]
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token 2.3: ["Sep]
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token 2.4: [21]
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token 2.5: [2017"]
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token 2.6: ["15:52:44"]
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foo.oc:line 3: [foo2.h, line 3.]
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token 3.1: [foo2.h,]
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token 3.2: [line]
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token 3.3: [3.]
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foo.oc:line 4: [foo2.h, line 4.]
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token 4.1: [foo2.h,]
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token 4.2: [line]
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token 4.3: [4.]
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foo.oc:line 5: []
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foo.oc:line 6: [foo2.h, line 6. last line]
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token 6.1: [foo2.h,]
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token 6.2: [line]
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token 6.3: [6.]
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token 6.4: [last]
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token 6.5: [line]
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foo.oc:line 7: [# 7 "foo.oc" 2]
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DIRECTIVE: line 7 file "foo.oc"
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foo.oc:line 7: [ on line 7]
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token 7.1: [on]
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token 7.2: [line]
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token 7.3: [7]
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foo.oc:line 8: ["foo1" + "foo2";]
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token 8.1: ["foo1"]
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token 8.2: [+]
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token 8.3: ["foo2";]
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foo.oc:line 9: [foo.oc, line 9, last line.]
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token 9.1: [foo.oc,]
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token 9.2: [line]
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token 9.3: [9,]
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token 9.4: [last]
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token 9.5: [line.]
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==27485==
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==27485== HEAP SUMMARY:
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==27485== in use at exit: 0 bytes in 0 blocks
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==27485== total heap usage: 3 allocs, 3 frees, 372 bytes allocated
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==27485==
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==27485== All heap blocks were freed -- no leaks are possible
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==27485==
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==27485== For counts of detected and suppressed errors, rerun with: -v
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==27485== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)

‎test3.oc‎

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// $Id: 03-test3.oc,v 1.2 2012-12-03 13:17:30-08 - - $
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#include "oclib.oh"
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int a = 3;
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int b = 8;
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int c = a + b;
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a = b + c;
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puti (a);
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putc ('\n');

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