Version 1.0.1 is the version and the trace error is below. I have
tracked it down to the string concatenation of any var that is not a
string. Although if you convert the non-string to a string var the
error still happens.
#6# 0x65c0cebd: 0x65c0cebd <an Object>>
pcre_error: 0x65c72445 <String[31]: PCRE function %0, error
code %1>
not_defined: 0x65c72911 <String[17]: %0 is not defined>
stack_trace: 0x65c72781 <String[15]\: Stack Trace:\n%0>
cyclic_proto: 0x65c72229 <String[22]: Cyclic __proto__ value>
regexp_flags: 0x65c72481 <String[61]: Cannot supply flags when
constructing one RegExp from another>
illegal_eval: 0x65c72a1d <String[32]: Unsupported indirect eval
() call>
illegal_break: 0x65c72e75 <String[23]: Illegal break statement>
unknown_label: 0x65c726ad <String[20]: Undefined label '%0'>
redeclaration: 0x65c72639 <String[33]: %0 '%1' has already been
declared>
invalid_break: 0x65c726e1 <String[23]: Invalid break statement>
invalid_regexp: 0x65c72e51 <String[27]: Invalid RegExp pattern /%0/
>
expected_label: 0x65c72389 <String[14]: Expected label>
stack_overflow: 0x65c72d3d <String[32]: Maximum call stack size
exceeded>
null_to_object: 0x65c72c5d <String[29]: Cannot convert null to
object>
apply_overflow: 0x65c72d65 <String[52]: Function.prototype.apply
cannot support %0 arguments>
illegal_return: 0x65c72eb9 <String[24]: Illegal return statement>
unexpected_eos: 0x65c72351 <String[23]: Unexpected end of input>
with_expression: 0x65c72a5d <String[20]: %0 has no properties>
not_constructor: 0x65c728dd <String[23]: %0 is not a constructor>
unable_to_parse: 0x65c72da1 <String[11]: Parse error>
apply_wrong_args: 0x65c72b61 <String[55]: Function.prototype.apply:
Arguments list has wrong type>
unexpected_token: 0x65c72261 <String[19]: Unexpected token %0>
invalid_continue: 0x65c72719 <String[26]: Invalid continue
statement>
malformed_regexp: 0x65c723b9 <String[36]: Invalid regular
expression: /%0/: %1>
undefined_method: 0x65c727cd <String[28]: Object %1 has no method
'%0'>
illegal_continue: 0x65c72e95 <String[26]: Illegal continue
statement>
null_or_undefined: 0x65c72861 <String[43]: Cannot access property of
null or undefined>
no_input_to_regexp: 0x65c72f39 <String[14]: No input to %0>
uncaught_exception: 0x65c72759 <String[11]: Uncaught %0>
illegal_invocation: 0x65c72a95 <String[18]: Illegal invocation>
apply_non_function: 0x65c72b0d <String[75]: Function.prototype.apply
was called on %0, which is a %1 and not a function>
newline_after_throw: 0x65c72615 <String[27]: Illegal newline after
throw>
unterminated_regexp: 0x65c72401 <String[37]: Invalid regular
expression: missing />
called_non_callable: 0x65c72799 <String[20]: %0 is not a function>
no_catch_or_finally: 0x65c72681 <String[34]: Missing catch or finally
after try>
invalid_array_length: 0x65c72ca1 <String[20]: Invalid array length>
property_not_function: 0x65c72811 <String[44]: Property '%0' of object
%1 is not a function>
no_setter_in_callback: 0x65c72ad1 <String[52]: Cannot set property %0
of %1 which has only a getter>
invalid_lhs_in_for_in: 0x65c724f5 <String[32]: Invalid left-hand side
in for-in>
duplicate_regexp_flag: 0x65c72dd5 <String[24]: Duplicate RegExp flag
%0>
error_loading_debugger: 0x65c72ef9 <String[25]: Error loading debugger
%0>
unexpected_token_number: 0x65c7229d <String[17]: Unexpected number>
invalid_in_operator_use: 0x65c72ba1 <String[49]: Cannot use 'in'
operator to search for '%0' in %1>
unexpected_token_string: 0x65c722d9 <String[17]: Unexpected string>
invalid_lhs_in_prefix_op: 0x65c7255d <String[53]: Invalid left-hand
side expression in prefix operation>
unrecognized_regexp_flag: 0x65c72e15 <String[27]: Unrecognized RegExp
flag %0>
non_object_property_load: 0x65c7294d <String[31]: Cannot read property
'%0' of %1>
non_object_property_call: 0x65c729e1 <String[29]: Cannot call method
'%0' of %1>
invalid_lhs_in_assignment: 0x65c724c9 <String[36]: Invalid left-hand
side in assignment>
non_object_property_store: 0x65c72999 <String[30]: Cannot set property
'%0' of %1>
invalid_lhs_in_postfix_op: 0x65c7251d <String[54]: Invalid left-hand
side expression in postfix operation>
instanceof_nonobject_proto: 0x65c72c19 <String[58]: Function has non-
object prototype '%0' in instanceof check>
invalid_array_apply_length: 0x65c72ce1 <String[59]:
Function.prototype.apply supports only up to 1024 arguments>
cannot_convert_to_primitive: 0x65c72895 <String[40]: Cannot convert
object to primitive value>
multiple_defaults_in_switch: 0x65c725c1 <String[48]: More than one
default clause in switch statement>
unexpected_token_identifier: 0x65c72319 <String[21]: Unexpected
identifier>
instanceof_function_expected: 0x65c72bdd <String[52]: Expecting a
function in instanceof check, but got %0>
#7# 0x65c0ce0d: 0x65c0ce0d <JS array[16]>
0: 0x65c6e685 <String[1]: 0>
1: 0x65c719a5 <String[1]: 1>
2: 0x65c719b1 <String[1]: 2>
3: 0x65c719bd <String[1]: 3>
4: 0x65c719c9 <String[1]: 4>
5: 0x65c719d5 <String[1]: 5>
6: 0x65c719e1 <String[1]: 6>
7: 0x65c719ed <String[1]: 7>
8: 0x65c719f9 <String[1]: 8>
9: 0x65c71a05 <String[1]: 9>
...
#8# 0x65c0ce81: 0x65c0ce81 <an Object>>
e: 0x65c6e161 <true>
a: 0x65c6e161 <tr>
u: 0x65c6e161 <true
o: 0x65c6e161 <true>
y: 0x65c6e161 <true>
i: 0x65c6e161 <true>
#9# 0x65c0c709: 0x65c0c709 <an Object>>
#10# 0x65c0ce2d: 0x65c0ce2d <JS array[0]>
#11# 0x65c0ce1d: 0x65c0ce1d <JS array[16]>
0: 48
1: 49
2: 50
3: 51
4: 52
5: 53
6: 54
7: 55
8: 56
9: 57
...
#12# 0x65c0ce3d: 0x65c0ce3d <an Object>>
r: 0x65c6e161 <true>
x: 0x65c6e161 <true>
h: 0x65c6e161 <true>
f: 0x65c6e161 <true>
l: 0x65c6e161 <true>
e: 0x65c6e161 <true>
a: 0x65c6e161 <true>
u: 0x65c6e161 <true>
o: 0x65c6e161 <true>
n: 0x65c6e161 <true>
y: 0x65c6e161 <true>
s: 0x65c6e161 <true>
i: 0x65c6e161 <true>
m: 0x65c6e161 <true>
#13# 0x65c0cea5: 0x65c0cea5 <a RangeError>>
type: 0x65c72d25 <String[14]: stack_overflow>
arguments: 0x65c20975 <JS array[0]>#21#
On Mar 31, 12:12 pm, Kasper Lund <[email protected]> wrote:
> Can you elaborate on the trace error you get and the version of V8 you're
> using?
>
> Cheers,
> Kasper
>
> On Tue, Mar 31, 2009 at 7:09 PM, MJ <[email protected]> wrote:
>
> > Does anybody have an idea why this works fine, but V8 spews out trace
> > error when this is called.
>
> > var a = 5;
> > var b = "A String" + a;
>
> > It successfully gets casted to a string and concatenated, and I can
> > print 'b' to the console, but I was just curious as to why V8 would
> > spit out error, but the execution is still successful.
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