Temporary working code
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2 changed files with 234 additions and 0 deletions
175
lcc.c
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175
lcc.c
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#include <stdio.h>
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#include <stdlib.h>
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#include <dirent.h>
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#include <string.h>
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#include <ctype.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <limits.h>
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#include "lcc.h"
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#define BUFFER_SIZE 8192
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#define NUM_LANGS sizeof(languages) / sizeof(language)
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typedef struct {
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const char *name;
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int files;
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int lines;
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int blanks;
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int comments;
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} lang_stats;
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lang_stats stats[NUM_LANGS] = {0};
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lang_stats total_stats = {0};
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void count_lines(const char *filename, language *lang, lang_stats *stat)
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{
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FILE *file = fopen(filename, "r");
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if (!file) {
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perror("fopen");
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return;
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}
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char buffer[BUFFER_SIZE];
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int in_comment = 0;
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while (fgets(buffer, BUFFER_SIZE, file)) {
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stat->lines++;
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total_stats.lines++;
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char *line = buffer;
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while (isspace(*line)) line++; // Skip leading whitespace
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if (*line == '\0') {
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stat->blanks++;
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total_stats.blanks++;
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continue;
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}
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if (in_comment) {
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char *end = strstr(line, lang->block_comment_end);
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if (end) {
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in_comment = 0;
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line = end + strlen(lang->block_comment_end);
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stat->comments++;
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total_stats.comments++;
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} else {
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stat->comments++;
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total_stats.comments++;
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continue;
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}
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}
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if (lang->line_comment && strncmp(line, lang->line_comment, strlen(lang->line_comment)) == 0) {
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stat->comments++;
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total_stats.comments++;
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} else if (lang->block_comment_start && strstr(line, lang->block_comment_start) != NULL) {
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char *start = strstr(line, lang->block_comment_start);
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char *end = strstr(start + strlen(lang->block_comment_start), lang->block_comment_end);
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if (end) {
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stat->comments++;
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total_stats.comments++;
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line = end + strlen(lang->block_comment_end);
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} else {
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in_comment = 1;
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stat->comments++;
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total_stats.comments++;
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}
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}
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}
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fclose(file);
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}
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void process_directory(const char *dirname)
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{
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struct dirent *entry;
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DIR *dp = opendir(dirname);
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if (!dp) {
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perror("opendir");
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return;
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}
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char path[PATH_MAX];
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struct stat info;
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while ((entry = readdir(dp))) {
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if (entry->d_name[0] == '.') continue; /* Skip hidden files and directories */
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int skip = 0;
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/* not count ignore folders */
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for (int i = 0; i < IGNORE_DIRS; i++) {
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if (strstr(entry->d_name, ignore_dir[i]) != NULL) {
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skip = 1;
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continue;
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}
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}
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if (skip) continue;
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snprintf(path, sizeof(path), "%s/%s", dirname, entry->d_name);
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if (stat(path, &info) == -1) {
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perror("stat");
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continue;
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}
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if (S_ISDIR(info.st_mode)) {
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process_directory(path);
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} else {
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for (size_t i = 0; i < NUM_LANGS; i++) {
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for (int j = 0; languages[i].extensions[j] != NULL; j++) {
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char *ext = strstr(entry->d_name, ".");
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if (strcmp(ext ? ext : entry->d_name, languages[i].extensions[j]) == 0) {
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stats[i].files++;
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total_stats.files++;
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count_lines(path, &languages[i], &stats[i]);
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break;
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}
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}
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}
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}
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}
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closedir(dp);
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}
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int compare_stats(const void *a, const void *b) {
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lang_stats *a_stats = (lang_stats *) a;
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lang_stats *b_stats = (lang_stats *) b;
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int a_code_lines = a_stats->lines - a_stats->blanks - a_stats->comments;
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int b_code_lines = b_stats->lines - b_stats->blanks - b_stats->comments;
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return b_code_lines - a_code_lines;
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}
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int main(int argc, char **argv)
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{
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for (size_t i = 0; i < NUM_LANGS; i++) {
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stats[i].name = languages[i].name;
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}
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if (argc < 2) {
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char cwd[PATH_MAX];
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if (getcwd(cwd, sizeof(cwd)) == NULL) {
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perror("getcwd");
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return 1;
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}
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process_directory(cwd);
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} else {
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for (int i = 1; i < argc; i++) {
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process_directory(argv[i]);
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}
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}
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qsort(stats, NUM_LANGS, sizeof(lang_stats), compare_stats);
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printf("%-10s %-6s %-6s %-8s %-6s %-6s\n", "Language", "Files", "Code", "Comment", "Blank", "Total");
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printf("%-10s %-6d %-6d %-8d %-6d %-6d\n", "Total", total_stats.files, total_stats.lines - total_stats.comments - total_stats.blanks, total_stats.comments, total_stats.blanks, total_stats.lines);
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for (size_t i = 0; i < NUM_LANGS; i++) {
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if (stats[i].files > 0) {
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int code_lines = stats[i].lines - stats[i].blanks - stats[i].comments;
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printf("%-10s %-6d %-6d %-8d %-6d %-6d\n", stats[i].name, stats[i].files, code_lines, stats[i].comments, stats[i].blanks, stats[i].lines);
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}
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}
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return 0;
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}
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59
lcc.h
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59
lcc.h
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@ -0,0 +1,59 @@
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#ifndef LCC_H_H
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#define LCC_H_H
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#define MAX_EXTENSIONS 10
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typedef struct {
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const char *name;
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const char *extensions[MAX_EXTENSIONS];
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const char *block_comment_start;
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const char *block_comment_end;
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const char *line_comment;
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} language;
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language languages[] = {
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{"Ada", {".adb", ".ads"}, NULL, NULL, "--"},
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{"Assembly", {".s"}, "/*", "*/", "#"},
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{"C", {".c"}, "/*", "*/", "//"},
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{"C++", {".cc", ".cpp", ".hh", ".hpp"}, "/*", "*/", "//"},
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{"Clojure", {".clj", ".edn"}, NULL, NULL, ";"},
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{"COBOL", {".cbl"}, NULL, NULL, "*>"},
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{"CSS", {".css"}, "/*", "*/", NULL},
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{"D", {".d"}, "/*", "*/", "//"},
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{"Emacs Lisp", {".el"}, NULL, NULL, ";;"},
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{"Erlang", {".erl", ".hrl"}, NULL, NULL, "%"},
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{"Fortran", {".f77", ".f95"}, NULL, NULL, "!"},
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{"Go", {".go"}, "/*", "*/", "//"},
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{"Haskell", {".hs", ".lhs"}, "{-", "-}", "--",},
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{"C Header", {".h"}, "/*", "*/", "//"},
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{"HTML", {".htm", ".html"}, "<!--", "-->", NULL},
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{"Java", {".java"}, "/*", "*/", "//"},
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{"JavaScript", {".js"}, "/*", "*/", "//"},
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{"Julia", {".jl"}, NULL, NULL, "#"},
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{"LaTeX", {".tex", ".sty"}, NULL, NULL, "%"},
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{"Kotlin", {".kt"}, "/*", "*/", "//"},
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{"Lisp", {".lsp", ".lisp"}, NULL, NULL, ";"},
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{"Lua", {".lua"}, "--[[", "]]", "--"},
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{"Makefile", {"Makefile",".mk"}, NULL, NULL, "#"},
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{"Objective-C", {".m"}, "/*", "*/", "//"},
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{"OCaml", {".ml"}, "(*", "*)", NULL},
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{"Pascal", {".pas"}, "{", "}", NULL},
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{"Perl", {".pl", ".pm"}, NULL, NULL, "#"},
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{"PHP", {".php"}, "/*", "*/", "//"},
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{"Python", {".py"}, "\"\"\"", "\"\"\"", "#"},
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{"R", {".r", ".R"}, NULL, NULL, "#"},
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{"Ruby", {".rb", ".rbw"}, NULL, NULL, "#"},
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{"Scala", {".scala"}, "/*", "*/", "//"},
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{"Scheme", {".scm"}, NULL, NULL, ";"},
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{"Shell", {".sh", ".bash"}, NULL, NULL, "#"},
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{"SQL", {".sql"}, "/*", "*/", "--"},
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{"TypeScript", {".ts",".tsx"}, "/*", "*/", "//"},
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{"Vimscript", {".vim"}, NULL, NULL, "\""},
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};
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#define IGNORE_DIRS 5
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/* IGNORE_DIRS must have same length of ignore_dir */
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char *ignore_dir[IGNORE_DIRS] = {"stagit", "env", "TerminalChat", "cath-docs", ".d.ts"};
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#endif
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