Dynamically load native scripts
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901d5fd0d2
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29
src/node.cc
29
src/node.cc
@ -36,7 +36,7 @@
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#include <node_child_process.h>
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#include <node_constants.h>
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#include <node_stdio.h>
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#include <node_natives.h>
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#include <node_javascript.h>
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#include <node_version.h>
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#ifdef HAVE_OPENSSL
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#include <node_crypto.h>
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@ -1499,30 +1499,9 @@ static Handle<Value> Binding(const Arguments& args) {
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} else if (!strcmp(*module_v, "natives")) {
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exports = Object::New();
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// Explicitly define native sources.
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// TODO DRY/automate this?
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exports->Set(String::New("assert"), String::New(native_assert));
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exports->Set(String::New("buffer"), String::New(native_buffer));
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exports->Set(String::New("child_process"),String::New(native_child_process));
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exports->Set(String::New("constants"), String::New(native_constants));
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exports->Set(String::New("dgram"), String::New(native_dgram));
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exports->Set(String::New("dns"), String::New(native_dns));
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exports->Set(String::New("events"), String::New(native_events));
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exports->Set(String::New("freelist"), String::New(native_freelist));
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exports->Set(String::New("fs"), String::New(native_fs));
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exports->Set(String::New("http"), String::New(native_http));
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exports->Set(String::New("crypto"), String::New(native_crypto));
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exports->Set(String::New("net"), String::New(native_net));
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exports->Set(String::New("querystring"), String::New(native_querystring));
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exports->Set(String::New("repl"), String::New(native_repl));
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exports->Set(String::New("readline"), String::New(native_readline));
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exports->Set(String::New("sys"), String::New(native_sys));
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exports->Set(String::New("url"), String::New(native_url));
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exports->Set(String::New("util"), String::New(native_util));
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exports->Set(String::New("path"), String::New(native_path));
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exports->Set(String::New("string_decoder"), String::New(native_string_decoder));
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exports->Set(String::New("stream"), String::New(native_stream));
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DefineJavaScript(exports);
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binding_cache->Set(module, exports);
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} else {
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return ThrowException(Exception::Error(String::New("No such module")));
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@ -1663,7 +1642,7 @@ static void Load(int argc, char *argv[]) {
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TryCatch try_catch;
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Local<Value> f_value = ExecuteString(String::New(native_node),
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Local<Value> f_value = ExecuteString(String::New(MainSource()),
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String::New("node.js"));
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if (try_catch.HasCaught()) {
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ReportException(try_catch, true);
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31
src/node_javascript.cc
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31
src/node_javascript.cc
Normal file
@ -0,0 +1,31 @@
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#include <v8.h>
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#include "node.h"
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#include "node_natives.h"
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#include <string.h>
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#include <strings.h>
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using namespace v8;
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namespace node {
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const char* MainSource() {
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return node_native;
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}
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void DefineJavaScript(v8::Handle<v8::Object> target) {
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HandleScope scope;
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for (int i = 0; natives[i].name; i++) {
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if (natives[i].source != node_native) {
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Local<String> name = String::New(natives[i].name);
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// TODO: Use ExternalAsciiStringResource for source
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// Might need to do some assertions in js2c about chars > 128
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Local<String> source = String::New(natives[i].source);
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target->Set(name, source);
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}
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}
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}
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} // namespace node
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8
src/node_javascript.h
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8
src/node_javascript.h
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@ -0,0 +1,8 @@
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#include <v8.h>
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namespace node {
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void DefineJavaScript(v8::Handle<v8::Object> target);
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const char* MainSource();
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} // namespace node
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@ -211,13 +211,30 @@ namespace node {
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%(source_lines)s\
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struct _native {
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const char* name;
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const char* source;
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};
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static const struct _native natives[] = {
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%(native_lines)s\
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{ NULL, NULL } /* sentinel */
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};
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}
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#endif
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"""
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NATIVE_DECLARATION = """\
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{ "%(id)s", %(id)s_native },
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"""
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SOURCE_DECLARATION = """\
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static const char native_%(id)s[] = { %(data)s };
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const char %(id)s_native[] = { %(data)s };
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"""
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@ -252,6 +269,9 @@ def JS2C(source, target):
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# Build source code lines
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source_lines = [ ]
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source_lines_empty = []
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native_lines = []
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for s in modules:
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delay = str(s).endswith('-delay.js')
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lines = ReadFile(str(s))
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@ -269,6 +289,7 @@ def JS2C(source, target):
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ids.append((id, len(lines)))
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source_lines.append(SOURCE_DECLARATION % { 'id': id, 'data': data })
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source_lines_empty.append(SOURCE_DECLARATION % { 'id': id, 'data': 0 })
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native_lines.append(NATIVE_DECLARATION % { 'id': id })
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# Build delay support functions
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get_index_cases = [ ]
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@ -312,6 +333,7 @@ def JS2C(source, target):
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'builtin_count': len(ids) + len(delay_ids),
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'delay_count': len(delay_ids),
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'source_lines': "\n".join(source_lines),
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'native_lines': "\n".join(native_lines),
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'get_index_cases': "".join(get_index_cases),
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'get_script_source_cases': "".join(get_script_source_cases),
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'get_script_name_cases': "".join(get_script_name_cases)
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