feat: working parser for rc shell language

2 files changed, 0 insertions, 197 deletions

diff --git a/bin/dvtm-editor.c b/bin/dvtm-editor.c
deleted file mode 100644
index 45a61b2..0000000
--- a/bin/dvtm-editor.c
+++ /dev/null
@@ -1,180 +0,0 @@
-/* Invoke $EDITOR as a filter.
- *
- * Copyright (c) 2016 Dmitry Bogatov <KAction@gnu.org>
- * Copyright (c) 2017 Marc André Tanner <mat@brain-dump.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-static void error(const char *msg, ...) {
-	va_list ap;
-	va_start(ap, msg);
-	vfprintf(stderr, msg, ap);
-	va_end(ap);
-	if (errno)
-		fprintf(stderr, ": %s", strerror(errno));
-	fprintf(stderr, "\n");
-}
-
-int main(int argc, char *argv[])
-{
-	int exit_status = EXIT_FAILURE, tmp_write = -1;
-
-	const char *editor = getenv("DVTM_EDITOR");
-	if (!editor)
-		editor = getenv("VISUAL");
-	if (!editor)
-		editor = getenv("EDITOR");
-	if (!editor)
-		editor = "vi";
-
-	char tempname[] = "/tmp/dvtm-editor.XXXXXX";
-	if ((tmp_write = mkstemp(tempname)) == -1) {
-		error("failed to open temporary file `%s'", tempname);
-		goto err;
-	}
-
-	/* POSIX does not mandates modes of temporary file. */
-	if (fchmod(tmp_write, 0600) == -1) {
-		error("failed to change mode of temporary file `%s'", tempname);
-		goto err;
-	}
-
-	char buffer[2048];
-	ssize_t bytes;
-	while ((bytes = read(STDIN_FILENO, buffer, sizeof(buffer))) > 0) {
-		do {
-			ssize_t written = write(tmp_write, buffer, bytes);
-			if (written == -1) {
-				error("failed to write data to temporary file `%s'",
-				      tempname);
-				goto err;
-			}
-			bytes -= written;
-		} while (bytes > 0);
-	}
-
-	if (fsync(tmp_write) == -1) {
-		error("failed to fsync temporary file `%s'", tempname);
-		goto err;
-	}
-
-	struct stat stat_before;
-	if (fstat(tmp_write, &stat_before) == -1) {
-		error("failed to stat newly created temporary file `%s'", tempname);
-		goto err;
-	}
-
-	if (close(tmp_write) == -1) {
-		error("failed to close temporary file `%s'", tempname);
-		goto err;
-	}
-
-	pid_t pid = fork();
-	if (pid == -1) {
-		error("failed to fork editor process");
-		goto err;
-	} else if (pid == 0) {
-		int tty = open("/dev/tty", O_RDWR);
-		if (tty == -1) {
-			error("failed to open /dev/tty");
-			_exit(1);
-		}
-
-		if (dup2(tty, STDIN_FILENO) == -1) {
-			error("failed to set tty as stdin");
-			_exit(1);
-		}
-
-		if (dup2(tty, STDOUT_FILENO) == -1) {
-			error("failed to set tty as stdout");
-			_exit(1);
-		}
-
-		if (dup2(tty, STDERR_FILENO) == -1) {
-			error("failed to set tty as stderr");
-			_exit(1);
-		}
-
-		close(tty);
-
-		const char *editor_argv[argc+2];
-		editor_argv[0] = editor;
-		for (int i = 1; i < argc; i++)
-			editor_argv[i] = argv[i];
-		editor_argv[argc] = tempname;
-		editor_argv[argc+1] = NULL;
-
-		execvp(editor, (char* const*)editor_argv);
-		error("failed to exec editor process `%s'", editor);
-		_exit(127);
-	}
-
-	int status;
-	if (waitpid(pid, &status, 0) == -1) {
-		error("waitpid failed");
-		goto err;
-	}
-	if (!WIFEXITED(status)) {
-		error("editor invocation failed");
-		goto err;
-	}
-	if ((status = WEXITSTATUS(status)) != 0) {
-		error("editor terminated with exit status: %d", status);
-		goto err;
-	}
-
-	int tmp_read = open(tempname, O_RDONLY);
-	if (tmp_read == -1) {
-		error("failed to open for reading of edited temporary file `%s'",
-		      tempname);
-		goto err;
-	}
-
-	struct stat stat_after;
-	if (fstat(tmp_read, &stat_after) == -1) {
-		error("failed to stat edited temporary file `%s'", tempname);
-		goto err;
-	}
-
-	if (stat_before.st_mtime == stat_after.st_mtime)
-		goto ok; /* no modifications */
-
-	while ((bytes = read(tmp_read, buffer, sizeof(buffer))) > 0) {
-		do {
-			ssize_t written = write(STDOUT_FILENO, buffer, bytes);
-			if (written == -1) {
-				error("failed to write data to stdout");
-				goto err;
-			}
-			bytes -= written;
-		} while (bytes > 0);
-	}
-
-ok:
-	exit_status = EXIT_SUCCESS;
-err:
-	if (tmp_write != -1)
-		unlink(tempname);
-	return exit_status;
-}
diff --git a/bin/mkblddir b/bin/mkblddir
deleted file mode 100755
index bb646e0..0000000
--- a/bin/mkblddir
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/python
-
-import os
-
-ROOT    = "/home/nolln/root"
-SRC     = "sys"
-BUILD   = "build"
-TEST    = "test"
-IGNORED = ["build", "include", "lib", "bin", ".git", "vendor", "obj", "dep", ".generated"]
-
-if __name__ == "__main__":
-    for root, dirs, _ in os.walk(f"{ROOT}/{SRC}"):
-        dirs[:] = [d for d in dirs if d not in IGNORED]
-        for newroot in [BUILD, TEST]:
-            blddir  = f"{ROOT}/{newroot}/{root[len(ROOT)+len(SRC)+2:]}"
-            if not os.path.exists(blddir):
-                os.mkdir(blddir)