I could NOT attach the js file, so here is from a file
server: http://www.mediafire.com/file/avtnmgdaonxc7ci/md5.js/file
On Thursday, April 18, 2019 at 10:15:10 PM UTC+2, rura...@gmail.com wrote:
>
> Hello,
>
>
> I am trying to make a program in visual c/c++ for configuring a specific
> vendor modem via http(s). For this purpose, I am trying and testing with
> v8, I need to take some variable values at runtime and use them in the next
> POST or GET, but no luck with v8.
> There are several javascript files downloaded from devices, but all of
> them even fail to compile.They does not seem to have any error from from an
> editor, are not modifiable because every time it is retrieved from modem.
> There are not problems configuring modems from popular browsers, chrome
> included; they don't find errors.
>
> e.g. It is a file md5.js downloaded from modem(in attach)
> I begin from hello_world sample modified a little with shell example:
> adding ReportException function in order to take more information from
> compile fails:
>
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>
>
>
> *G:\c++\projects\v8hello\x64\Debug>v8helloundefined:260: SyntaxError:
> Unexpected token >> 8 * ((i+1)%4)) & 0xFF) << 8 )^SyntaxError: Unexpected
> token >*
>
>
> where this is line 249(not 260): (((binarray[i+1 >> 2] *>>* 8 *
> ((i+1)%4)) & 0xFF) << 8 )
> , and I cannot find any error there, brackets seem ok etc. The bitwise
> shift right is the problem, but why ? There bitwise shift right & left
> before this statement, but they do not take attention of the compiler.
>
>
> the source is:
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> *// Copyright 2015 the V8 project authors. All rights reserved.// Use of
> this source code is governed by a BSD-style license that can be// found in
> the LICENSE file.#include <stdio.h>#include <stdlib.h>#include
> <string.h>#include <io.h>#include <fcntl.h>#include
> <libplatform/libplatform.h>#include <v8.h>void ReportException(v8::Isolate*
> isolate, v8::TryCatch* handler);const char* ToCString(const
> v8::String::Utf8Value& value) { return *value ? *value : "<string
> conversion failed>";}void ReportException(v8::Isolate* isolate,
> v8::TryCatch* try_catch) { v8::HandleScope handle_scope(isolate);
> v8::String::Utf8Value exception(isolate, try_catch->Exception()); const
> char* exception_string = ToCString(exception); v8::Local<v8::Message>
> message = try_catch->Message(); if (message.IsEmpty()) { // V8
> didn't provide any extra information about this error; just // print
> the exception. fprintf(stderr, "%s\n", exception_string); }
> else { // Print (filename):(line number): (message).
> v8::String::Utf8Value filename(isolate,
> message->GetScriptOrigin().ResourceName()); v8::Local<v8::Context>
> context(isolate->GetCurrentContext()); const char* filename_string =
> ToCString(filename); int linenum =
> message->GetLineNumber(context).FromJust(); fprintf(stderr, "%s:%i:
> %s\n", filename_string, linenum, exception_string); // Print line of
> source code. v8::String::Utf8Value sourceline( isolate,
> message->GetSourceLine(context).ToLocalChecked()); const char*
> sourceline_string = ToCString(sourceline); fprintf(stderr, "%s\n",
> sourceline_string); // Print wavy underline (GetUnderline is
> deprecated). int start =
> message->GetStartColumn(context).FromJust(); for (int i = 0; i <
> start; i++) { fprintf(stderr, " "); } int end =
> message->GetEndColumn(context).FromJust(); for (int i = start; i <
> end; i++) { fprintf(stderr, "^"); }
> fprintf(stderr, "\n"); v8::Local<v8::Value> stack_trace_string;
> if (try_catch->StackTrace(context).ToLocal(&stack_trace_string) &&
> stack_trace_string->IsString() &&
> v8::Local<v8::String>::Cast(stack_trace_string)->Length() > 0) {
> v8::String::Utf8Value stack_trace(isolate, stack_trace_string);
> const char* stack_trace_string = ToCString(stack_trace);
> fprintf(stderr, "%s\n", stack_trace_string); } }}int main(int
> argc, char* argv[]) { // Initialize V8.
> v8::V8::InitializeICUDefaultLocation(argv[0]);
> v8::V8::InitializeExternalStartupData(argv[0]);
> std::unique_ptr<v8::Platform> platform =
> v8::platform::NewDefaultPlatform();
> v8::V8::InitializePlatform(platform.get()); v8::V8::Initialize(); //
> Create a new Isolate and make it the current one.
> v8::Isolate::CreateParams create_params;
> create_params.array_buffer_allocator =
> v8::ArrayBuffer::Allocator::NewDefaultAllocator(); v8::Isolate* isolate =
> v8::Isolate::New(create_params); { v8::Isolate::Scope
> isolate_scope(isolate); // Create a stack-allocated handle scope.
> v8::HandleScope handle_scope(isolate); v8::TryCatch
> try_catch(isolate); // Create a new context. v8::Local<v8::Context>
> context = v8::Context::New(isolate); // Enter the context for compiling
> and running the hello world script. v8::Context::Scope
> context_scope(context); { // Create a string containing the
> JavaScript source code. int fd = open("G:\\md5.js", _O_RDWR,
> _S_IREAD); char bfx[200001]; int nr = read(fd, bfx,
> 200000); close(fd); v8::Local<v8::String> source =
> v8::String::NewFromUtf8(isolate, bfx,
> v8::NewStringType::kNormal) .ToLocalChecked(); // Compile
> the source code. /* v8::Local<v8::Script> script =
> v8::Script::Compile(context, source).ToLocalChecked();*/
> v8::Local<v8::Script> script; if (!v8::Script::Compile(context,
> source).ToLocal(&script)) { ReportException(isolate,
> &try_catch); return -1; } // Run the script to get the
> result. v8::Local<v8::Value> result =
> script->Run(context).ToLocalChecked(); // Convert the result to an
> UTF8 string and print it. v8::String::Utf8Value utf8(isolate,
> result); printf("%s\n", *utf8); } } // Dispose the isolate and
> tear down V8. isolate->Dispose(); v8::V8::Dispose();
> v8::V8::ShutdownPlatform(); delete create_params.array_buffer_allocator;
> return 0;}*
>
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