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remove more unnecessary objects from shell

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This commit is contained in:
Lisa Milne 2023-12-21 10:05:14 +10:00
parent 8fee484f23
commit 368a5cddfb
1 changed files with 43 additions and 41 deletions
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84
clite/shell.js
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@ -23,7 +23,9 @@ clite.commands.load('sh',function(args,env,io) {
let exec_bufferout = null;
let exec_bufferin = null;
let exec_skipto = null;
let exec_cfg = {closout:false,closin:false,closerr:false};
let exec_closout = false;
let exec_closin = false;
let exec_closerr = false;
let exec_last = 0;
let exec_io = {};
let exec_conditionals = [];
@ -310,9 +312,9 @@ clite.commands.load('sh',function(args,env,io) {
break;
}
}else{
if (exec_cfg.closin) {
if (exec_closin) {
stdio.close(exec_io.stdin);
exec_cfg.closin = false;
exec_closin = false;
}
exec_io.stdin = io.stdin;
}
@ -330,9 +332,9 @@ clite.commands.load('sh',function(args,env,io) {
break;
}
}else{
if (exec_cfg.closout) {
if (exec_closout) {
stdio.close(exec_io.stdout);
exec_cfg.closout = false;
exec_closout = false;
}
exec_io.stdout = io.stdout;
}
@ -349,9 +351,9 @@ clite.commands.load('sh',function(args,env,io) {
break;
}
}else{
if (exec_cfg.closerr) {
if (exec_closerr) {
stdio.close(exec_io.stderr);
exec_cfg.closerr = false;
exec_closerr = false;
}
exec_io.stderr = io.stderr;
}
@ -659,53 +661,53 @@ clite.commands.load('sh',function(args,env,io) {
exec_last = 0;
}
function exec_stdin_setFile(path) {
if (exec_cfg.closin) {
if (exec_closin) {
stdio.close(exec_io.stdin);
exec_cfg.closin = false;
exec_closin = false;
}
exec_io.stdin = stdio.open(path,stdio.flags.O_RDONLY);
exec_cfg.closin = true;
exec_closin = true;
}
function exec_stdin_setNull() {
if (exec_cfg.closin) {
if (exec_closin) {
stdio.close(exec_io.stdin);
exec_cfg.closin = false;
exec_closin = false;
}
exec_io.stdin = stdio.open('/dev/null',stdio.flags.O_RDONLY);
exec_cfg.closin = true;
exec_closin = true;
}
function exec_stdin_setOut() {
if (exec_cfg.closin) {
if (exec_closin) {
stdio.close(exec_io.stdin);
exec_cfg.closin = false;
exec_closin = false;
}
if (exec_bufferout) {
exec_io.stdout = null;
exec_cfg.closout = false;
exec_closout = false;
exec_bufferin = exec_bufferout;
exec_bufferout = null;
exec_io.stdin = exec_bufferin;
stdio.seek(exec_io.stdin,0);
exec_cfg.closin = true;
exec_closin = true;
}else{
exec_stdin_setNull();
}
}
function exec_stdout_setBuffered() {
if (exec_cfg.closout) {
if (exec_closout) {
stdio.close(exec_io.stdout);
exec_cfg.closout = false;
exec_closout = false;
if (exec_bufferout)
exec_bufferout = null;
}
exec_bufferout = stdio.mkstemp('/tmp/shell-XXXXXX');
exec_io.stdout = exec_bufferout;
exec_cfg.closout = false;
exec_closout = false;
}
function exec_stdout_setFile(path) {
if (exec_cfg.closout) {
if (exec_closout) {
stdio.close(exec_io.stdout);
exec_cfg.closout = false;
exec_closout = false;
}
var flags = stdio.flags.O_WRONLY|stdio.flags.O_CREAT|stdio.flags.O_SYNC;
var p = path;
@ -716,20 +718,20 @@ clite.commands.load('sh',function(args,env,io) {
flags |= stdio.flags.O_TRUNC;
}
exec_io.stdout = stdio.open(p,flags);
exec_cfg.closout = true;
exec_closout = true;
}
function exec_stdout_setNull() {
if (exec_cfg.closout) {
if (exec_closout) {
stdio.close(exec_io.stdout);
exec_cfg.closout = false;
exec_closout = false;
}
exec_io.stdout = stdio.open('/dev/null',stdio.flags.O_WRONLY);
exec_cfg.closout = true;
exec_closout = true;
}
function exec_stderr_setFile(path) {
if (exec_cfg.closerr) {
if (exec_closerr) {
stdio.close(exec_io.stderr);
exec_cfg.closerr = false;
exec_closerr = false;
}
var flags = stdio.flags.O_WRONLY|stdio.flags.O_CREAT|stdio.flags.O_SYNC;
var p = path;
@ -740,39 +742,39 @@ clite.commands.load('sh',function(args,env,io) {
flags |= stdio.flags.O_TRUNC;
}
exec_io.stderr = stdio.open(p,flags);
exec_cfg.closerr = true;
exec_closerr = true;
}
function exec_stderr_setNull() {
if (exec_cfg.closerr) {
if (exec_closerr) {
stdio.close(exec_io.stderr);
exec_cfg.closerr = false;
exec_closerr = false;
}
exec_io.stderr = stdio.open('/dev/null',stdio.flags.O_WRONLY);
exec_cfg.closerr = true;
exec_closerr = true;
}
function exec_stderr_setOut() {
if (exec_cfg.closerr) {
if (exec_closerr) {
stdio.close(exec_io.stderr);
exec_cfg.closerr = false;
exec_closerr = false;
}
exec_io.stderr = exec_io.stdout;
exec_cfg.closerr = exec_cfg.closout;
exec_closerr = exec_closout;
}
function exec_exit() {
if (exec_cfg.closin) {
if (exec_closin) {
stdio.close(exec_io.stdin);
exec_cfg.closin = false;
exec_closin = false;
}
var out = '';
if (exec_bufferout)
out = stdio.readAll(exec_bufferout);
if (exec_cfg.closout) {
if (exec_closout) {
stdio.close(exec_io.stdout);
exec_cfg.closout = false;
exec_closout = false;
}
if (exec_cfg.closerr) {
if (exec_closerr) {
stdio.close(exec_io.stderr);
exec_cfg.closerr = false;
exec_closerr = false;
}
exec_active = null;
exec_cmds = [];