AuroraMiddleware/v8
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Add a readline() command to d8. This reads a single line, stripping

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the new-line at the end. This is the other half of what is required to
make the Debian Language Shootout code work correctly:
http://code.google.com/p/v8/issues/detail?id=353


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2671 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
christian.plesner.hansen@gmail.com 2009-08-13 07:07:41 +00:00
parent de8c403f1c
commit 0b60fe88da
2 changed files with 18 additions and 3 deletions
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20
src/d8.cc
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@ -167,9 +167,6 @@ Handle<Value> Shell::Write(const Arguments& args) {
Handle<Value> Shell::Read(const Arguments& args) {
if (args.Length() != 1) {
return ThrowException(String::New("Bad parameters"));
}
String::Utf8Value file(args[0]);
if (*file == NULL) {
return ThrowException(String::New("Error loading file"));
@ -182,6 +179,19 @@ Handle<Value> Shell::Read(const Arguments& args) {
}
Handle<Value> Shell::ReadLine(const Arguments& args) {
char line_buf[256];
if (fgets(line_buf, sizeof(line_buf), stdin) == NULL) {
return ThrowException(String::New("Error reading line"));
}
int len = strlen(line_buf);
if (line_buf[len - 1] == '\n') {
--len;
}
return String::New(line_buf, len);
}
Handle<Value> Shell::Load(const Arguments& args) {
for (int i = 0; i < args.Length(); i++) {
HandleScope handle_scope;
@ -404,6 +414,8 @@ void Shell::Initialize() {
global_template->Set(String::New("print"), FunctionTemplate::New(Print));
global_template->Set(String::New("write"), FunctionTemplate::New(Write));
global_template->Set(String::New("read"), FunctionTemplate::New(Read));
global_template->Set(String::New("readline"),
FunctionTemplate::New(ReadLine));
global_template->Set(String::New("load"), FunctionTemplate::New(Load));
global_template->Set(String::New("quit"), FunctionTemplate::New(Quit));
global_template->Set(String::New("version"), FunctionTemplate::New(Version));
@ -596,6 +608,8 @@ void ShellThread::Run() {
FunctionTemplate::New(Shell::Write));
global_template->Set(String::New("read"),
FunctionTemplate::New(Shell::Read));
global_template->Set(String::New("readline"),
FunctionTemplate::New(Shell::ReadLine));
global_template->Set(String::New("load"),
FunctionTemplate::New(Shell::Load));
global_template->Set(String::New("yield"),

1
src/d8.h
View File

@ -143,6 +143,7 @@ class Shell: public i::AllStatic {
static Handle<Value> Quit(const Arguments& args);
static Handle<Value> Version(const Arguments& args);
static Handle<Value> Read(const Arguments& args);
static Handle<Value> ReadLine(const Arguments& args);
static Handle<Value> Load(const Arguments& args);
// The OS object on the global object contains methods for performing
// operating system calls: