help? On Saturday, January 19, 2013 6:55:05 PM UTC+2, sc wrote: > > so i think i've narrowed down the problem, as i described the compilation > fails on the isString() function , but from the output i see that > everything is printed alright > except '\n' which is printed as ?? in stderr. > it happens with NewStringFromUtf as well as with NewStringFromAscii . > > so how should i insert the \n correctly? (seeing as they were in the code > prior to any transformation i did , and i didn't at all insert \n) > On Saturday, January 19, 2013 11:39:17 AM UTC+2, sc wrote: >> >> hi, >> im working on js code coverage implemented directly to the compilation >> process of v8. at first stage i need to "snatch" the code at the start of >> compile function , do some transformation on the code directly (add prints >> essentially) >> and switch it with the original code , to be compiled as usual. >> so far i have encountered 2 ways to ways to extract the string value from >> handle<Internal::String> , one is by using GET , the other by toCstring >> method of the class string. efficiency aside, assume we use the Get method. >> now we have got the code and successfully done the transformation we >> needed. now i want to create Handle<Internal::String> taht will contain >> this string instead of the original. >> unlike the v8::String , Internal::String does not have a New option. so >> i've discovered i can use the original Handle<Internal::String> to get the >> isolate , and from there i go the the factory and create a string from >> ascii. >> it looks something like this : >> source = >> >> source->isolate()->factory->newStringFromAscii(cStrVector(newJsCode,length)); >> >> now , the compilation fails because it arrives to isString() function >> along some test and fails there (some characters in the print are not >> recognized) . >> i have 2 quesstions: >> 1. should i use NewStringFromUtf8? or is there another way to create >> handle<Internal::String> ? >> 2. i don't yet understand what is exactly isolate? can someone explain >> it? and is my new "source" variable will catually contain the same isolate >> as the original? >> >
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