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command.js: displaying errorlevel when app quit with error

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This commit is contained in:
minjaesong
2020-11-12 15:07:29 +09:00
parent 8220732db9
commit 57ffc1a81f
3 changed files with 29 additions and 17 deletions
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24
assets/tvdos/bin/command.js
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@@ -7,6 +7,8 @@ let goFancy = false;
let DEBUG_PRINT = true;
let errorlevel = 0;
const welcome_text = "TSVM Disk Operating System, version " + _TVDOS.VERSION;
function print_prompt_text() {
@@ -17,13 +19,21 @@ function print_prompt_text() {
con.addch(16);
con.color_pair(0,253);
print(" \\"+shell_pwd.join("\\").substring(1)+" ");
if (errorlevel != 0) {
con.color_pair(211,253);
print("["+errorlevel+"] ");
}
con.color_pair(253,255);
con.addch(16);
con.addch(32);
con.color_pair(239,255);
}
else
print(CURRENT_DRIVE + ":\\" + shell_pwd.join("\\") + PROMPT_TEXT);
else {
if (errorlevel != 0)
print(CURRENT_DRIVE + ":\\" + shell_pwd.join("\\") + " [" + errorlevel + "]" + PROMPT_TEXT);
else
print(CURRENT_DRIVE + ":\\" + shell_pwd.join("\\") + PROMPT_TEXT);
}
}
function greet() {
@@ -298,7 +308,7 @@ shell.execute = function(line) {
if (!fileExists) {
printerrln('Bad command or filename: "'+cmd+'"');
return -1;
return 127;
}
else {
let prg = filesystem.readAll(CURRENT_DRIVE);
@@ -383,14 +393,16 @@ if (goInteractive) {
}
// enter
else if (key === 10 || key === 13) {
let errorlevel = 0;
println();
try {
errorlevel = 0; // reset the number
errorlevel = shell.execute(cmdbuf);
}
catch (e) {
printerrln(e);
errorlevel = -128;
printerrln("\n"+e);
if (errorlevel === 0 || errorlevel === undefined) {
errorlevel = 1; // generic failure
}
}
finally {
if (cmdbuf.trim().length > 0)