Log exception with bold and underline for TTYs

Print error message in bold/underlined text if STDERR is unchanged and a tty.
[Feature #14160] [experimental]

Screenshot: https://img.sorah.jp/s/2017-11-29_1711_xj2fu.png

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60935 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
sorah 2017-11-29 11:14:23 +00:00
Родитель b8d15b7e47
Коммит b5e0ca4730
2 изменённых файлов: 20 добавлений и 6 удалений

3
NEWS
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@ -284,6 +284,9 @@ with all sufficient information, see the ChangeLog file or Redmine
* Print backtrace and error message in reverse order if STDERR is unchanged and a tty.
[Feature #8661] [experimental]
* Print error message in bold/underlined text if STDERR is unchanged and a tty.
[Feature #14160] [experimental]
* configure option --with-ext now mandates its arguments. So for
instance if you run ./configure --with-ext=openssl,+ then the
openssl library is guaranteed compiled, otherwise the build fails

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@ -73,8 +73,11 @@ error_print(rb_execution_context_t *ec)
}
static void
print_errinfo(const VALUE eclass, const VALUE errat, const VALUE emesg)
print_errinfo(const VALUE eclass, const VALUE errat, const VALUE emesg, int colored)
{
static const char underline[] = "\033[4;1m";
static const char bold[] = "\033[1m";
static const char reset[] = "\033[m";
const char *einfo = "";
long elen = 0;
VALUE mesg;
@ -89,6 +92,8 @@ print_errinfo(const VALUE eclass, const VALUE errat, const VALUE emesg)
warn_print(": ");
}
if (colored) warn_print(bold);
if (!NIL_P(emesg)) {
einfo = RSTRING_PTR(emesg);
elen = RSTRING_LEN(emesg);
@ -96,6 +101,7 @@ print_errinfo(const VALUE eclass, const VALUE errat, const VALUE emesg)
}
if (eclass == rb_eRuntimeError && elen == 0) {
if (colored) warn_print(underline);
warn_print("unhandled exception\n");
}
else {
@ -103,6 +109,7 @@ print_errinfo(const VALUE eclass, const VALUE errat, const VALUE emesg)
epath = rb_class_name(eclass);
if (elen == 0) {
if (colored) warn_print(underline);
warn_print_str(epath);
warn_print("\n");
}
@ -119,7 +126,10 @@ print_errinfo(const VALUE eclass, const VALUE errat, const VALUE emesg)
warn_print_str(tail ? rb_str_subseq(emesg, 0, len) : emesg);
if (epath) {
warn_print(" (");
if (colored) warn_print(underline);
warn_print_str(epath);
if (colored) warn_print(reset);
if (colored) warn_print(bold);
warn_print(")\n");
}
if (tail) {
@ -128,6 +138,7 @@ print_errinfo(const VALUE eclass, const VALUE errat, const VALUE emesg)
if (tail ? einfo[elen-1] != '\n' : !epath) warn_print2("\n", 1);
}
}
if (colored) warn_print(reset);
}
static void
@ -192,12 +203,12 @@ rb_ec_error_print(rb_execution_context_t * volatile ec, volatile VALUE errinfo)
}
}
if (rb_stderr_tty_p()) {
warn_print("Traceback (most recent call last):\n");
warn_print("\033[1mTraceback \033[m(most recent call last):\n");
print_backtrace(eclass, errat, TRUE);
print_errinfo(eclass, errat, emesg);
print_errinfo(eclass, errat, emesg, TRUE);
}
else {
print_errinfo(eclass, errat, emesg);
print_errinfo(eclass, errat, emesg, FALSE);
print_backtrace(eclass, errat, FALSE);
}
error: