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[Feature #19138] Add SyntaxError#path

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This commit is contained in:
Nobuyoshi Nakada 2022-11-20 22:59:52 +09:00
parent 5752d11f1f
commit 4e68b59431
Notes: git 2022-12-01 08:06:11 +00:00
3 changed files with 55 additions and 10 deletions
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38
error.c
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@ -125,6 +125,8 @@ err_vcatf(VALUE str, const char *pre, const char *file, int line,
return str;
}
static VALUE syntax_error_with_path(VALUE, VALUE, VALUE*, rb_encoding*);
VALUE
rb_syntax_error_append(VALUE exc, VALUE file, int line, int column,
rb_encoding *enc, const char *fmt, va_list args)
@ -138,15 +140,7 @@ rb_syntax_error_append(VALUE exc, VALUE file, int line, int column,
}
else {
VALUE mesg;
if (NIL_P(exc)) {
mesg = rb_enc_str_new(0, 0, enc);
exc = rb_class_new_instance(1, &mesg, rb_eSyntaxError);
}
else {
mesg = rb_attr_get(exc, idMesg);
if (RSTRING_LEN(mesg) > 0 && *(RSTRING_END(mesg)-1) != '\n')
rb_str_cat_cstr(mesg, "\n");
}
exc = syntax_error_with_path(exc, file, &mesg, enc);
err_vcatf(mesg, NULL, fn, line, fmt, args);
}
@ -2353,6 +2347,25 @@ syntax_error_initialize(int argc, VALUE *argv, VALUE self)
return rb_call_super(argc, argv);
}
static VALUE
syntax_error_with_path(VALUE exc, VALUE path, VALUE *mesg, rb_encoding *enc)
{
if (NIL_P(exc)) {
*mesg = rb_enc_str_new(0, 0, enc);
exc = rb_class_new_instance(1, mesg, rb_eSyntaxError);
rb_ivar_set(exc, id_i_path, path);
}
else {
if (rb_attr_get(exc, id_i_path) != path) {
rb_raise(rb_eArgError, "SyntaxError#path changed");
}
VALUE s = *mesg = rb_attr_get(exc, idMesg);
if (RSTRING_LEN(s) > 0 && *(RSTRING_END(s)-1) != '\n')
rb_str_cat_cstr(s, "\n");
}
return exc;
}
/*
* Document-module: Errno
*
@ -3011,9 +3024,14 @@ Init_Exception(void)
rb_eSyntaxError = rb_define_class("SyntaxError", rb_eScriptError);
rb_define_method(rb_eSyntaxError, "initialize", syntax_error_initialize, -1);
ID id_path = rb_intern_const("path");
/* the path failed to parse */
rb_attr(rb_eSyntaxError, id_path, TRUE, FALSE, FALSE);
rb_eLoadError = rb_define_class("LoadError", rb_eScriptError);
/* the path failed to load */
rb_attr(rb_eLoadError, rb_intern_const("path"), TRUE, FALSE, FALSE);
rb_attr(rb_eLoadError, id_path, TRUE, FALSE, FALSE);
rb_eNotImpError = rb_define_class("NotImplementedError", rb_eScriptError);