asiva@google.com
292d8c9c21
R=iposva@google.com Review URL: https://codereview.chromium.org//24785002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@28017 260f80e4-7a28-3924-810f-c04153c831b5
114 lines
3.9 KiB
C++
114 lines
3.9 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
|
|
// for details. 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 "include/dart_api.h"
|
|
|
|
#include "bin/builtin.h"
|
|
#include "bin/dartutils.h"
|
|
|
|
namespace dart {
|
|
namespace bin {
|
|
|
|
Builtin::builtin_lib_props Builtin::builtin_libraries_[] = {
|
|
/* { url_, source_, patch_url_, patch_source_, has_natives_ } */
|
|
{ DartUtils::kBuiltinLibURL, builtin_source_paths_, NULL, NULL, true },
|
|
{ DartUtils::kIOLibURL, io_source_paths_,
|
|
DartUtils::kIOLibPatchURL, io_patch_paths_, true },
|
|
};
|
|
|
|
|
|
// Patch all the specified patch files in the array 'patch_files' into the
|
|
// library specified in 'library'.
|
|
static void LoadPatchFiles(Dart_Handle library,
|
|
const char* patch_uri,
|
|
const char** patch_files) {
|
|
for (intptr_t j = 0; patch_files[j] != NULL; j += 2) {
|
|
Dart_Handle patch_src = DartUtils::ReadStringFromFile(patch_files[j + 1]);
|
|
|
|
// Prepend the patch library URI to form a unique script URI for the patch.
|
|
intptr_t len = snprintf(NULL, 0, "%s/%s", patch_uri, patch_files[j]);
|
|
char* patch_filename = reinterpret_cast<char*>(malloc(len + 1));
|
|
snprintf(patch_filename, len + 1, "%s/%s", patch_uri, patch_files[j]);
|
|
Dart_Handle patch_file_uri = DartUtils::NewString(patch_filename);
|
|
free(patch_filename);
|
|
|
|
DART_CHECK_VALID(Dart_LibraryLoadPatch(library, patch_file_uri, patch_src));
|
|
}
|
|
}
|
|
|
|
|
|
Dart_Handle Builtin::Source(BuiltinLibraryId id) {
|
|
ASSERT((sizeof(builtin_libraries_) / sizeof(builtin_lib_props)) ==
|
|
kInvalidLibrary);
|
|
ASSERT(id >= kBuiltinLibrary && id < kInvalidLibrary);
|
|
|
|
// Try to read the source using the path specified for the uri.
|
|
const char* uri = builtin_libraries_[id].url_;
|
|
const char** source_paths = builtin_libraries_[id].source_paths_;
|
|
return GetSource(source_paths, uri);
|
|
}
|
|
|
|
|
|
Dart_Handle Builtin::PartSource(BuiltinLibraryId id, const char* part_uri) {
|
|
ASSERT((sizeof(builtin_libraries_) / sizeof(builtin_lib_props)) ==
|
|
kInvalidLibrary);
|
|
ASSERT(id >= kBuiltinLibrary && id < kInvalidLibrary);
|
|
|
|
// Try to read the source using the path specified for the uri.
|
|
const char** source_paths = builtin_libraries_[id].source_paths_;
|
|
return GetSource(source_paths, part_uri);
|
|
}
|
|
|
|
|
|
Dart_Handle Builtin::GetSource(const char** source_paths, const char* uri) {
|
|
if (source_paths == NULL) {
|
|
return Dart_Null(); // No path mapping information exists for library.
|
|
}
|
|
const char* source_path = NULL;
|
|
for (intptr_t i = 0; source_paths[i] != NULL; i += 2) {
|
|
if (!strcmp(uri, source_paths[i])) {
|
|
source_path = source_paths[i + 1];
|
|
break;
|
|
}
|
|
}
|
|
if (source_path == NULL) {
|
|
return Dart_Null(); // Uri does not exist in path mapping information.
|
|
}
|
|
return DartUtils::ReadStringFromFile(source_path);
|
|
}
|
|
|
|
|
|
void Builtin::SetNativeResolver(BuiltinLibraryId id) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
Dart_Handle Builtin::LoadAndCheckLibrary(BuiltinLibraryId id) {
|
|
ASSERT((sizeof(builtin_libraries_) / sizeof(builtin_lib_props)) ==
|
|
kInvalidLibrary);
|
|
ASSERT(id >= kBuiltinLibrary && id < kInvalidLibrary);
|
|
Dart_Handle url = DartUtils::NewString(builtin_libraries_[id].url_);
|
|
Dart_Handle library = Dart_LookupLibrary(url);
|
|
if (Dart_IsError(library)) {
|
|
library = Dart_LoadLibrary(url, Source(id));
|
|
if (!Dart_IsError(library) && (builtin_libraries_[id].has_natives_)) {
|
|
// Setup the native resolver for built in library functions.
|
|
DART_CHECK_VALID(Dart_SetNativeResolver(library, NativeLookup));
|
|
}
|
|
if (builtin_libraries_[id].patch_url_ != NULL) {
|
|
ASSERT(builtin_libraries_[id].patch_paths_ != NULL);
|
|
LoadPatchFiles(library,
|
|
builtin_libraries_[id].patch_url_,
|
|
builtin_libraries_[id].patch_paths_);
|
|
}
|
|
}
|
|
DART_CHECK_VALID(library);
|
|
return library;
|
|
}
|
|
|
|
} // namespace bin
|
|
} // namespace dart
|