mirror of
https://github.com/dart-lang/sdk
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b68351fbc3
TEST=build Change-Id: Ie3be570c274b0275a995a0f54b5e6ccdfc77ccd3 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/292287 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Brian Quinlan <bquinlan@google.com>
85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "include/dart_api.h"
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#include "bin/builtin.h"
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#include "bin/io_natives.h"
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namespace dart {
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namespace bin {
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// Lists the native function implementing basic logging facility.
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#define BUILTIN_NATIVE_LIST(V) V(Builtin_PrintString, 1)
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BUILTIN_NATIVE_LIST(DECLARE_FUNCTION);
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static struct NativeEntries {
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const char* name_;
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Dart_NativeFunction function_;
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int argument_count_;
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} BuiltinEntries[] = {BUILTIN_NATIVE_LIST(REGISTER_FUNCTION)};
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Dart_NativeFunction Builtin::NativeLookup(Dart_Handle name,
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int argument_count,
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bool* auto_setup_scope) {
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const char* function_name = nullptr;
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Dart_Handle result = Dart_StringToCString(name, &function_name);
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if (Dart_IsError(result)) {
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Dart_PropagateError(result);
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}
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ASSERT(function_name != nullptr);
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ASSERT(auto_setup_scope != nullptr);
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*auto_setup_scope = true;
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int num_entries = sizeof(BuiltinEntries) / sizeof(struct NativeEntries);
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for (int i = 0; i < num_entries; i++) {
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struct NativeEntries* entry = &(BuiltinEntries[i]);
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if ((strcmp(function_name, entry->name_) == 0) &&
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(entry->argument_count_ == argument_count)) {
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return reinterpret_cast<Dart_NativeFunction>(entry->function_);
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}
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}
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return IONativeLookup(name, argument_count, auto_setup_scope);
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}
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const uint8_t* Builtin::NativeSymbol(Dart_NativeFunction nf) {
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int num_entries = sizeof(BuiltinEntries) / sizeof(struct NativeEntries);
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for (int i = 0; i < num_entries; i++) {
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struct NativeEntries* entry = &(BuiltinEntries[i]);
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if (reinterpret_cast<Dart_NativeFunction>(entry->function_) == nf) {
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return reinterpret_cast<const uint8_t*>(entry->name_);
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}
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}
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return IONativeSymbol(nf);
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}
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// Implementation of native functions which are used for some
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// test/debug functionality in standalone dart mode.
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void FUNCTION_NAME(Builtin_PrintString)(Dart_NativeArguments args) {
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Dart_EnterScope();
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intptr_t length = 0;
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uint8_t* chars = nullptr;
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Dart_Handle str = Dart_GetNativeArgument(args, 0);
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Dart_Handle result = Dart_StringToUTF8(str, &chars, &length);
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if (Dart_IsError(result)) {
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// TODO(turnidge): Consider propagating some errors here. What if
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// an isolate gets interrupted by the embedder in the middle of
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// Dart_StringToUTF8? We need to make sure not to swallow the
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// interrupt.
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fputs(Dart_GetError(result), stdout);
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} else {
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fwrite(chars, sizeof(*chars), length, stdout);
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}
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fputc('\n', stdout);
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fflush(stdout);
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Dart_ExitScope();
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}
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} // namespace bin
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} // namespace dart
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