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Diffstat (limited to 'deps/v8/samples/shell.cc')
-rw-r--r--deps/v8/samples/shell.cc78
1 files changed, 45 insertions, 33 deletions
diff --git a/deps/v8/samples/shell.cc b/deps/v8/samples/shell.cc
index 821ef75a76..0b71c2c6dc 100644
--- a/deps/v8/samples/shell.cc
+++ b/deps/v8/samples/shell.cc
@@ -47,8 +47,9 @@
v8::Persistent<v8::Context> CreateShellContext();
void RunShell(v8::Handle<v8::Context> context);
-int RunMain(int argc, char* argv[]);
-bool ExecuteString(v8::Handle<v8::String> source,
+int RunMain(v8::Isolate* isolate, int argc, char* argv[]);
+bool ExecuteString(v8::Isolate* isolate,
+ v8::Handle<v8::String> source,
v8::Handle<v8::Value> name,
bool print_result,
bool report_exceptions);
@@ -58,7 +59,7 @@ v8::Handle<v8::Value> Load(const v8::Arguments& args);
v8::Handle<v8::Value> Quit(const v8::Arguments& args);
v8::Handle<v8::Value> Version(const v8::Arguments& args);
v8::Handle<v8::String> ReadFile(const char* name);
-void ReportException(v8::TryCatch* handler);
+void ReportException(v8::Isolate* isolate, v8::TryCatch* handler);
static bool run_shell;
@@ -66,20 +67,21 @@ static bool run_shell;
int main(int argc, char* argv[]) {
v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
+ v8::Isolate* isolate = v8::Isolate::GetCurrent();
run_shell = (argc == 1);
int result;
{
- v8::HandleScope handle_scope;
+ v8::HandleScope handle_scope(isolate);
v8::Persistent<v8::Context> context = CreateShellContext();
if (context.IsEmpty()) {
- printf("Error creating context\n");
+ fprintf(stderr, "Error creating context\n");
return 1;
}
context->Enter();
- result = RunMain(argc, argv);
+ result = RunMain(isolate, argc, argv);
if (run_shell) RunShell(context);
context->Exit();
- context.Dispose();
+ context.Dispose(isolate);
}
v8::V8::Dispose();
return result;
@@ -118,7 +120,7 @@ v8::Persistent<v8::Context> CreateShellContext() {
v8::Handle<v8::Value> Print(const v8::Arguments& args) {
bool first = true;
for (int i = 0; i < args.Length(); i++) {
- v8::HandleScope handle_scope;
+ v8::HandleScope handle_scope(args.GetIsolate());
if (first) {
first = false;
} else {
@@ -158,7 +160,7 @@ v8::Handle<v8::Value> Read(const v8::Arguments& args) {
// JavaScript file.
v8::Handle<v8::Value> Load(const v8::Arguments& args) {
for (int i = 0; i < args.Length(); i++) {
- v8::HandleScope handle_scope;
+ v8::HandleScope handle_scope(args.GetIsolate());
v8::String::Utf8Value file(args[i]);
if (*file == NULL) {
return v8::ThrowException(v8::String::New("Error loading file"));
@@ -167,7 +169,11 @@ v8::Handle<v8::Value> Load(const v8::Arguments& args) {
if (source.IsEmpty()) {
return v8::ThrowException(v8::String::New("Error loading file"));
}
- if (!ExecuteString(source, v8::String::New(*file), false, false)) {
+ if (!ExecuteString(args.GetIsolate(),
+ source,
+ v8::String::New(*file),
+ false,
+ false)) {
return v8::ThrowException(v8::String::New("Error executing file"));
}
}
@@ -216,7 +222,7 @@ v8::Handle<v8::String> ReadFile(const char* name) {
// Process remaining command line arguments and execute files
-int RunMain(int argc, char* argv[]) {
+int RunMain(v8::Isolate* isolate, int argc, char* argv[]) {
for (int i = 1; i < argc; i++) {
const char* str = argv[i];
if (strcmp(str, "--shell") == 0) {
@@ -226,21 +232,22 @@ int RunMain(int argc, char* argv[]) {
// alone JavaScript engines.
continue;
} else if (strncmp(str, "--", 2) == 0) {
- printf("Warning: unknown flag %s.\nTry --help for options\n", str);
+ fprintf(stderr,
+ "Warning: unknown flag %s.\nTry --help for options\n", str);
} else if (strcmp(str, "-e") == 0 && i + 1 < argc) {
// Execute argument given to -e option directly.
v8::Handle<v8::String> file_name = v8::String::New("unnamed");
v8::Handle<v8::String> source = v8::String::New(argv[++i]);
- if (!ExecuteString(source, file_name, false, true)) return 1;
+ if (!ExecuteString(isolate, source, file_name, false, true)) return 1;
} else {
// Use all other arguments as names of files to load and run.
v8::Handle<v8::String> file_name = v8::String::New(str);
v8::Handle<v8::String> source = ReadFile(str);
if (source.IsEmpty()) {
- printf("Error reading '%s'\n", str);
+ fprintf(stderr, "Error reading '%s'\n", str);
continue;
}
- if (!ExecuteString(source, file_name, false, true)) return 1;
+ if (!ExecuteString(isolate, source, file_name, false, true)) return 1;
}
}
return 0;
@@ -249,35 +256,40 @@ int RunMain(int argc, char* argv[]) {
// The read-eval-execute loop of the shell.
void RunShell(v8::Handle<v8::Context> context) {
- printf("V8 version %s [sample shell]\n", v8::V8::GetVersion());
+ fprintf(stderr, "V8 version %s [sample shell]\n", v8::V8::GetVersion());
static const int kBufferSize = 256;
// Enter the execution environment before evaluating any code.
v8::Context::Scope context_scope(context);
v8::Local<v8::String> name(v8::String::New("(shell)"));
while (true) {
char buffer[kBufferSize];
- printf("> ");
+ fprintf(stderr, "> ");
char* str = fgets(buffer, kBufferSize, stdin);
if (str == NULL) break;
- v8::HandleScope handle_scope;
- ExecuteString(v8::String::New(str), name, true, true);
+ v8::HandleScope handle_scope(context->GetIsolate());
+ ExecuteString(context->GetIsolate(),
+ v8::String::New(str),
+ name,
+ true,
+ true);
}
- printf("\n");
+ fprintf(stderr, "\n");
}
// Executes a string within the current v8 context.
-bool ExecuteString(v8::Handle<v8::String> source,
+bool ExecuteString(v8::Isolate* isolate,
+ v8::Handle<v8::String> source,
v8::Handle<v8::Value> name,
bool print_result,
bool report_exceptions) {
- v8::HandleScope handle_scope;
+ v8::HandleScope handle_scope(isolate);
v8::TryCatch try_catch;
v8::Handle<v8::Script> script = v8::Script::Compile(source, name);
if (script.IsEmpty()) {
// Print errors that happened during compilation.
if (report_exceptions)
- ReportException(&try_catch);
+ ReportException(isolate, &try_catch);
return false;
} else {
v8::Handle<v8::Value> result = script->Run();
@@ -285,7 +297,7 @@ bool ExecuteString(v8::Handle<v8::String> source,
assert(try_catch.HasCaught());
// Print errors that happened during execution.
if (report_exceptions)
- ReportException(&try_catch);
+ ReportException(isolate, &try_catch);
return false;
} else {
assert(!try_catch.HasCaught());
@@ -302,39 +314,39 @@ bool ExecuteString(v8::Handle<v8::String> source,
}
-void ReportException(v8::TryCatch* try_catch) {
- v8::HandleScope handle_scope;
+void ReportException(v8::Isolate* isolate, v8::TryCatch* try_catch) {
+ v8::HandleScope handle_scope(isolate);
v8::String::Utf8Value exception(try_catch->Exception());
const char* exception_string = ToCString(exception);
v8::Handle<v8::Message> message = try_catch->Message();
if (message.IsEmpty()) {
// V8 didn't provide any extra information about this error; just
// print the exception.
- printf("%s\n", exception_string);
+ fprintf(stderr, "%s\n", exception_string);
} else {
// Print (filename):(line number): (message).
v8::String::Utf8Value filename(message->GetScriptResourceName());
const char* filename_string = ToCString(filename);
int linenum = message->GetLineNumber();
- printf("%s:%i: %s\n", filename_string, linenum, exception_string);
+ fprintf(stderr, "%s:%i: %s\n", filename_string, linenum, exception_string);
// Print line of source code.
v8::String::Utf8Value sourceline(message->GetSourceLine());
const char* sourceline_string = ToCString(sourceline);
- printf("%s\n", sourceline_string);
+ fprintf(stderr, "%s\n", sourceline_string);
// Print wavy underline (GetUnderline is deprecated).
int start = message->GetStartColumn();
for (int i = 0; i < start; i++) {
- printf(" ");
+ fprintf(stderr, " ");
}
int end = message->GetEndColumn();
for (int i = start; i < end; i++) {
- printf("^");
+ fprintf(stderr, "^");
}
- printf("\n");
+ fprintf(stderr, "\n");
v8::String::Utf8Value stack_trace(try_catch->StackTrace());
if (stack_trace.length() > 0) {
const char* stack_trace_string = ToCString(stack_trace);
- printf("%s\n", stack_trace_string);
+ fprintf(stderr, "%s\n", stack_trace_string);
}
}
}
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