diff options
Diffstat (limited to 'src/google/protobuf/compiler/js/js_generator.cc')
| -rwxr-xr-x | src/google/protobuf/compiler/js/js_generator.cc | 3249 |
1 files changed, 0 insertions, 3249 deletions
diff --git a/src/google/protobuf/compiler/js/js_generator.cc b/src/google/protobuf/compiler/js/js_generator.cc deleted file mode 100755 index 8a2633d7..00000000 --- a/src/google/protobuf/compiler/js/js_generator.cc +++ /dev/null @@ -1,3249 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#include "google/protobuf/compiler/js/js_generator.h" - -#include <assert.h> -#include <algorithm> -#include <limits> -#include <map> -#include <memory> -#ifndef _SHARED_PTR_H -#include <google/protobuf/stubs/shared_ptr.h> -#endif -#include <string> -#include <utility> -#include <vector> - -#include <google/protobuf/stubs/logging.h> -#include <google/protobuf/stubs/common.h> -#include <google/protobuf/stubs/stringprintf.h> -#include <google/protobuf/io/printer.h> -#include <google/protobuf/io/zero_copy_stream.h> -#include <google/protobuf/descriptor.pb.h> -#include <google/protobuf/descriptor.h> -#include <google/protobuf/stubs/strutil.h> - -namespace google { -namespace protobuf { -namespace compiler { -namespace js { - -// Sorted list of JavaScript keywords. These cannot be used as names. If they -// appear, we prefix them with "pb_". -const char* kKeyword[] = { - "abstract", - "boolean", - "break", - "byte", - "case", - "catch", - "char", - "class", - "const", - "continue", - "debugger", - "default", - "delete", - "do", - "double", - "else", - "enum", - "export", - "extends", - "false", - "final", - "finally", - "float", - "for", - "function", - "goto", - "if", - "implements", - "import", - "in", - "instanceof", - "int", - "interface", - "long", - "native", - "new", - "null", - "package", - "private", - "protected", - "public", - "return", - "short", - "static", - "super", - "switch", - "synchronized", - "this", - "throw", - "throws", - "transient", - "try", - "typeof", - "var", - "void", - "volatile", - "while", - "with", -}; - -static const int kNumKeyword = sizeof(kKeyword) / sizeof(char*); - -namespace { - -// The mode of operation for bytes fields. Historically JSPB always carried -// bytes as JS {string}, containing base64 content by convention. With binary -// and proto3 serialization the new convention is to represent it as binary -// data in Uint8Array. See b/26173701 for background on the migration. -enum BytesMode { - BYTES_DEFAULT, // Default type for getBytesField to return. - BYTES_B64, // Explicitly coerce to base64 string where needed. - BYTES_U8, // Explicitly coerce to Uint8Array where needed. -}; - -bool IsReserved(const string& ident) { - for (int i = 0; i < kNumKeyword; i++) { - if (ident == kKeyword[i]) { - return true; - } - } - return false; -} - -// Returns a copy of |filename| with any trailing ".protodevel" or ".proto -// suffix stripped. -// TODO(haberman): Unify with copy in compiler/cpp/internal/helpers.cc. -string StripProto(const string& filename) { - const char* suffix = HasSuffixString(filename, ".protodevel") - ? ".protodevel" : ".proto"; - return StripSuffixString(filename, suffix); -} - -// Given a filename like foo/bar/baz.proto, returns the corresponding JavaScript -// file foo/bar/baz.js. -string GetJSFilename(const string& filename) { - return StripProto(filename) + "_pb.js"; -} - -// Given a filename like foo/bar/baz.proto, returns the root directory -// path ../../ -string GetRootPath(const string& from_filename, const string& to_filename) { - if (to_filename.find("google/protobuf") == 0) { - // Well-known types (.proto files in the google/protobuf directory) are - // assumed to come from the 'google-protobuf' npm package. We may want to - // generalize this exception later by letting others put generated code in - // their own npm packages. - return "google-protobuf/"; - } - - size_t slashes = std::count(from_filename.begin(), from_filename.end(), '/'); - if (slashes == 0) { - return "./"; - } - string result = ""; - for (size_t i = 0; i < slashes; i++) { - result += "../"; - } - return result; -} - -// Returns the alias we assign to the module of the given .proto filename -// when importing. -string ModuleAlias(const string& filename) { - // This scheme could technically cause problems if a file includes any 2 of: - // foo/bar_baz.proto - // foo_bar_baz.proto - // foo_bar/baz.proto - // - // We'll worry about this problem if/when we actually see it. This name isn't - // exposed to users so we can change it later if we need to. - string basename = StripProto(filename); - StripString(&basename, "-", '$'); - StripString(&basename, "/", '_'); - return basename + "_pb"; -} - -// Returns the fully normalized JavaScript path for the given -// file descriptor's package. -string GetPath(const GeneratorOptions& options, - const FileDescriptor* file) { - if (!options.namespace_prefix.empty()) { - return options.namespace_prefix; - } else if (!file->package().empty()) { - return "proto." + file->package(); - } else { - return "proto"; - } -} - -// Forward declare, so that GetPrefix can call this method, -// which in turn, calls GetPrefix. -string GetPath(const GeneratorOptions& options, - const Descriptor* descriptor); - -// Returns the path prefix for a message or enumeration that -// lives under the given file and containing type. -string GetPrefix(const GeneratorOptions& options, - const FileDescriptor* file_descriptor, - const Descriptor* containing_type) { - string prefix = ""; - - if (containing_type == NULL) { - prefix = GetPath(options, file_descriptor); - } else { - prefix = GetPath(options, containing_type); - } - - if (!prefix.empty()) { - prefix += "."; - } - - return prefix; -} - - -// Returns the fully normalized JavaScript path for the given -// message descriptor. -string GetPath(const GeneratorOptions& options, - const Descriptor* descriptor) { - return GetPrefix( - options, descriptor->file(), - descriptor->containing_type()) + descriptor->name(); -} - - -// Returns the fully normalized JavaScript path for the given -// field's containing message descriptor. -string GetPath(const GeneratorOptions& options, - const FieldDescriptor* descriptor) { - return GetPath(options, descriptor->containing_type()); -} - -// Returns the fully normalized JavaScript path for the given -// enumeration descriptor. -string GetPath(const GeneratorOptions& options, - const EnumDescriptor* enum_descriptor) { - return GetPrefix( - options, enum_descriptor->file(), - enum_descriptor->containing_type()) + enum_descriptor->name(); -} - - -// Returns the fully normalized JavaScript path for the given -// enumeration value descriptor. -string GetPath(const GeneratorOptions& options, - const EnumValueDescriptor* value_descriptor) { - return GetPath( - options, - value_descriptor->type()) + "." + value_descriptor->name(); -} - -string MaybeCrossFileRef(const GeneratorOptions& options, - const FileDescriptor* from_file, - const Descriptor* to_message) { - if (options.import_style == GeneratorOptions::IMPORT_COMMONJS && - from_file != to_message->file()) { - // Cross-file ref in CommonJS needs to use the module alias instead of - // the global name. - return ModuleAlias(to_message->file()->name()) + "." + to_message->name(); - } else { - // Within a single file we use a full name. - return GetPath(options, to_message); - } -} - -string SubmessageTypeRef(const GeneratorOptions& options, - const FieldDescriptor* field) { - GOOGLE_CHECK(field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE); - return MaybeCrossFileRef(options, field->file(), field->message_type()); -} - -// - Object field name: LOWER_UNDERSCORE -> LOWER_CAMEL, except for group fields -// (UPPER_CAMEL -> LOWER_CAMEL), with "List" (or "Map") appended if appropriate, -// and with reserved words triggering a "pb_" prefix. -// - Getters/setters: LOWER_UNDERSCORE -> UPPER_CAMEL, except for group fields -// (use the name directly), then append "List" if appropriate, then append "$" -// if resulting name is equal to a reserved word. -// - Enums: just uppercase. - -// Locale-independent version of ToLower that deals only with ASCII A-Z. -char ToLowerASCII(char c) { - if (c >= 'A' && c <= 'Z') { - return (c - 'A') + 'a'; - } else { - return c; - } -} - -vector<string> ParseLowerUnderscore(const string& input) { - vector<string> words; - string running = ""; - for (int i = 0; i < input.size(); i++) { - if (input[i] == '_') { - if (!running.empty()) { - words.push_back(running); - running.clear(); - } - } else { - running += ToLowerASCII(input[i]); - } - } - if (!running.empty()) { - words.push_back(running); - } - return words; -} - -vector<string> ParseUpperCamel(const string& input) { - vector<string> words; - string running = ""; - for (int i = 0; i < input.size(); i++) { - if (input[i] >= 'A' && input[i] <= 'Z' && !running.empty()) { - words.push_back(running); - running.clear(); - } - running += ToLowerASCII(input[i]); - } - if (!running.empty()) { - words.push_back(running); - } - return words; -} - -string ToLowerCamel(const vector<string>& words) { - string result; - for (int i = 0; i < words.size(); i++) { - string word = words[i]; - if (i == 0 && (word[0] >= 'A' && word[0] <= 'Z')) { - word[0] = (word[0] - 'A') + 'a'; - } else if (i != 0 && (word[0] >= 'a' && word[0] <= 'z')) { - word[0] = (word[0] - 'a') + 'A'; - } - result += word; - } - return result; -} - -string ToUpperCamel(const vector<string>& words) { - string result; - for (int i = 0; i < words.size(); i++) { - string word = words[i]; - if (word[0] >= 'a' && word[0] <= 'z') { - word[0] = (word[0] - 'a') + 'A'; - } - result += word; - } - return result; -} - -// Based on code from descriptor.cc (Thanks Kenton!) -// Uppercases the entire string, turning ValueName into -// VALUENAME. -string ToEnumCase(const string& input) { - string result; - result.reserve(input.size()); - - for (int i = 0; i < input.size(); i++) { - if ('a' <= input[i] && input[i] <= 'z') { - result.push_back(input[i] - 'a' + 'A'); - } else { - result.push_back(input[i]); - } - } - - return result; -} - -string ToFileName(const string& input) { - string result; - result.reserve(input.size()); - - for (int i = 0; i < input.size(); i++) { - if ('A' <= input[i] && input[i] <= 'Z') { - result.push_back(input[i] - 'A' + 'a'); - } else { - result.push_back(input[i]); - } - } - - return result; -} - -// When we're generating one output file per type name, this is the filename -// that top-level extensions should go in. -string GetExtensionFileName(const GeneratorOptions& options, - const FileDescriptor* file) { - return options.output_dir + "/" + ToFileName(GetPath(options, file)) + ".js"; -} - -// When we're generating one output file per type name, this is the filename -// that a top-level message should go in. -string GetMessageFileName(const GeneratorOptions& options, - const Descriptor* desc) { - return options.output_dir + "/" + ToFileName(desc->name()) + ".js"; -} - -// When we're generating one output file per type name, this is the filename -// that a top-level message should go in. -string GetEnumFileName(const GeneratorOptions& options, - const EnumDescriptor* desc) { - return options.output_dir + "/" + ToFileName(desc->name()) + ".js"; -} - -// Returns the message/response ID, if set. -string GetMessageId(const Descriptor* desc) { - return string(); -} - -bool IgnoreExtensionField(const FieldDescriptor* field) { - // Exclude descriptor extensions from output "to avoid clutter" (from original - // codegen). - return field->is_extension() && - field->containing_type()->file()->name() == - "google/protobuf/descriptor.proto"; -} - - -// Used inside Google only -- do not remove. -bool IsResponse(const Descriptor* desc) { return false; } - -bool IgnoreField(const FieldDescriptor* field) { - return IgnoreExtensionField(field); -} - - -// Do we ignore this message type? -bool IgnoreMessage(const GeneratorOptions& options, const Descriptor* d) { - return d->options().map_entry(); -} - -// Does JSPB ignore this entire oneof? True only if all fields are ignored. -bool IgnoreOneof(const OneofDescriptor* oneof) { - for (int i = 0; i < oneof->field_count(); i++) { - if (!IgnoreField(oneof->field(i))) { - return false; - } - } - return true; -} - -string JSIdent(const GeneratorOptions& options, - const FieldDescriptor* field, - bool is_upper_camel, - bool is_map) { - string result; - if (field->type() == FieldDescriptor::TYPE_GROUP) { - result = is_upper_camel ? - ToUpperCamel(ParseUpperCamel(field->message_type()->name())) : - ToLowerCamel(ParseUpperCamel(field->message_type()->name())); - } else { - result = is_upper_camel ? - ToUpperCamel(ParseLowerUnderscore(field->name())) : - ToLowerCamel(ParseLowerUnderscore(field->name())); - } - if (is_map || (field->is_map())) { - // JSPB-style or proto3-style map. - result += "Map"; - } else if (field->is_repeated()) { - // Repeated field. - result += "List"; - } - return result; -} - -string JSObjectFieldName(const GeneratorOptions& options, - const FieldDescriptor* field) { - string name = JSIdent( - options, - field, - /* is_upper_camel = */ false, - /* is_map = */ false); - if (IsReserved(name)) { - name = "pb_" + name; - } - return name; -} - -string JSByteGetterSuffix(BytesMode bytes_mode) { - switch (bytes_mode) { - case BYTES_DEFAULT: - return ""; - case BYTES_B64: - return "B64"; - case BYTES_U8: - return "U8"; - default: - assert(false); - } - return ""; -} - -// Returns the field name as a capitalized portion of a getter/setter method -// name, e.g. MyField for .getMyField(). -string JSGetterName(const GeneratorOptions& options, - const FieldDescriptor* field, - BytesMode bytes_mode = BYTES_DEFAULT) { - string name = JSIdent(options, field, - /* is_upper_camel = */ true, - /* is_map = */ false); - if (field->type() == FieldDescriptor::TYPE_BYTES) { - string suffix = JSByteGetterSuffix(bytes_mode); - if (!suffix.empty()) { - name += "_as" + suffix; - } - } - if (name == "Extension" || name == "JsPbMessageId") { - // Avoid conflicts with base-class names. - name += "$"; - } - return name; -} - -string JSMapGetterName(const GeneratorOptions& options, - const FieldDescriptor* field) { - return JSIdent(options, field, - /* is_upper_camel = */ true, - /* is_map = */ true); -} - - - -string JSOneofName(const OneofDescriptor* oneof) { - return ToUpperCamel(ParseLowerUnderscore(oneof->name())); -} - -// Returns the index corresponding to this field in the JSPB array (underlying -// data storage array). -string JSFieldIndex(const FieldDescriptor* field) { - // Determine whether this field is a member of a group. Group fields are a bit - // wonky: their "containing type" is a message type created just for the - // group, and that type's parent type has a field with the group-message type - // as its message type and TYPE_GROUP as its field type. For such fields, the - // index we use is relative to the field number of the group submessage field. - // For all other fields, we just use the field number. - const Descriptor* containing_type = field->containing_type(); - const Descriptor* parent_type = containing_type->containing_type(); - if (parent_type != NULL) { - for (int i = 0; i < parent_type->field_count(); i++) { - if (parent_type->field(i)->type() == FieldDescriptor::TYPE_GROUP && - parent_type->field(i)->message_type() == containing_type) { - return SimpleItoa(field->number() - parent_type->field(i)->number()); - } - } - } - return SimpleItoa(field->number()); -} - -string JSOneofIndex(const OneofDescriptor* oneof) { - int index = -1; - for (int i = 0; i < oneof->containing_type()->oneof_decl_count(); i++) { - const OneofDescriptor* o = oneof->containing_type()->oneof_decl(i); - // If at least one field in this oneof is not JSPB-ignored, count the oneof. - for (int j = 0; j < o->field_count(); j++) { - const FieldDescriptor* f = o->field(j); - if (!IgnoreField(f)) { - index++; - break; // inner loop - } - } - if (o == oneof) { - break; - } - } - return SimpleItoa(index); -} - -// Decodes a codepoint in \x0000 -- \xFFFF. -uint16 DecodeUTF8Codepoint(uint8* bytes, size_t* length) { - if (*length == 0) { - return 0; - } - size_t expected = 0; - if ((*bytes & 0x80) == 0) { - expected = 1; - } else if ((*bytes & 0xe0) == 0xc0) { - expected = 2; - } else if ((*bytes & 0xf0) == 0xe0) { - expected = 3; - } else { - // Too long -- don't accept. - *length = 0; - return 0; - } - - if (*length < expected) { - // Not enough bytes -- don't accept. - *length = 0; - return 0; - } - - *length = expected; - switch (expected) { - case 1: return bytes[0]; - case 2: return ((bytes[0] & 0x1F) << 6) | - ((bytes[1] & 0x3F) << 0); - case 3: return ((bytes[0] & 0x0F) << 12) | - ((bytes[1] & 0x3F) << 6) | - ((bytes[2] & 0x3F) << 0); - default: return 0; - } -} - -// Escapes the contents of a string to be included within double-quotes ("") in -// JavaScript. The input data should be a UTF-8 encoded C++ string of chars. -// Returns false if |out| was truncated because |in| contained invalid UTF-8 or -// codepoints outside the BMP. -// TODO(lukestebbing): Support codepoints outside the BMP. -bool EscapeJSString(const string& in, string* out) { - size_t decoded = 0; - for (size_t i = 0; i < in.size(); i += decoded) { - uint16 codepoint = 0; - // Decode the next UTF-8 codepoint. - size_t have_bytes = in.size() - i; - uint8 bytes[3] = { - static_cast<uint8>(in[i]), - static_cast<uint8>(((i + 1) < in.size()) ? in[i + 1] : 0), - static_cast<uint8>(((i + 2) < in.size()) ? in[i + 2] : 0), - }; - codepoint = DecodeUTF8Codepoint(bytes, &have_bytes); - if (have_bytes == 0) { - return false; - } - decoded = have_bytes; - - switch (codepoint) { - case '\'': *out += "\\x27"; break; - case '"': *out += "\\x22"; break; - case '<': *out += "\\x3c"; break; - case '=': *out += "\\x3d"; break; - case '>': *out += "\\x3e"; break; - case '&': *out += "\\x26"; break; - case '\b': *out += "\\b"; break; - case '\t': *out += "\\t"; break; - case '\n': *out += "\\n"; break; - case '\f': *out += "\\f"; break; - case '\r': *out += "\\r"; break; - case '\\': *out += "\\\\"; break; - default: - // TODO(lukestebbing): Once we're supporting codepoints outside the BMP, - // use a single Unicode codepoint escape if the output language is - // ECMAScript 2015 or above. Otherwise, use a surrogate pair. - // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#String_literals - if (codepoint >= 0x20 && codepoint <= 0x7e) { - *out += static_cast<char>(codepoint); - } else if (codepoint >= 0x100) { - *out += StringPrintf("\\u%04x", codepoint); - } else { - *out += StringPrintf("\\x%02x", codepoint); - } - break; - } - } - return true; -} - -string EscapeBase64(const string& in) { - static const char* kAlphabet = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - string result; - - for (size_t i = 0; i < in.size(); i += 3) { - int value = (in[i] << 16) | - (((i + 1) < in.size()) ? (in[i + 1] << 8) : 0) | - (((i + 2) < in.size()) ? (in[i + 2] << 0) : 0); - result += kAlphabet[(value >> 18) & 0x3f]; - result += kAlphabet[(value >> 12) & 0x3f]; - if ((i + 1) < in.size()) { - result += kAlphabet[(value >> 6) & 0x3f]; - } else { - result += '='; - } - if ((i + 2) < in.size()) { - result += kAlphabet[(value >> 0) & 0x3f]; - } else { - result += '='; - } - } - - return result; -} - -// Post-process the result of SimpleFtoa/SimpleDtoa to *exactly* match the -// original codegen's formatting (which is just .toString() on java.lang.Double -// or java.lang.Float). -string PostProcessFloat(string result) { - // If inf, -inf or nan, replace with +Infinity, -Infinity or NaN. - if (result == "inf") { - return "Infinity"; - } else if (result == "-inf") { - return "-Infinity"; - } else if (result == "nan") { - return "NaN"; - } - - // If scientific notation (e.g., "1e10"), (i) capitalize the "e", (ii) - // ensure that the mantissa (portion prior to the "e") has at least one - // fractional digit (after the decimal point), and (iii) strip any unnecessary - // leading zeroes and/or '+' signs from the exponent. - string::size_type exp_pos = result.find('e'); - if (exp_pos != string::npos) { - string mantissa = result.substr(0, exp_pos); - string exponent = result.substr(exp_pos + 1); - - // Add ".0" to mantissa if no fractional part exists. - if (mantissa.find('.') == string::npos) { - mantissa += ".0"; - } - - // Strip the sign off the exponent and store as |exp_neg|. - bool exp_neg = false; - if (!exponent.empty() && exponent[0] == '+') { - exponent = exponent.substr(1); - } else if (!exponent.empty() && exponent[0] == '-') { - exp_neg = true; - exponent = exponent.substr(1); - } - - // Strip any leading zeroes off the exponent. - while (exponent.size() > 1 && exponent[0] == '0') { - exponent = exponent.substr(1); - } - - return mantissa + "E" + string(exp_neg ? "-" : "") + exponent; - } - - // Otherwise, this is an ordinary decimal number. Append ".0" if result has no - // decimal/fractional part in order to match output of original codegen. - if (result.find('.') == string::npos) { - result += ".0"; - } - - return result; -} - -string FloatToString(float value) { - string result = SimpleFtoa(value); - return PostProcessFloat(result); -} - -string DoubleToString(double value) { - string result = SimpleDtoa(value); - return PostProcessFloat(result); -} - -string MaybeNumberString(const FieldDescriptor* field, const string& orig) { - return orig; -} - -string JSFieldDefault(const FieldDescriptor* field) { - assert(field->has_default_value()); - switch (field->cpp_type()) { - case FieldDescriptor::CPPTYPE_INT32: - return MaybeNumberString( - field, SimpleItoa(field->default_value_int32())); - case FieldDescriptor::CPPTYPE_UINT32: - // The original codegen is in Java, and Java protobufs store unsigned - // integer values as signed integer values. In order to exactly match the - // output, we need to reinterpret as base-2 signed. Ugh. - return MaybeNumberString( - field, SimpleItoa(static_cast<int32>(field->default_value_uint32()))); - case FieldDescriptor::CPPTYPE_INT64: - return MaybeNumberString( - field, SimpleItoa(field->default_value_int64())); - case FieldDescriptor::CPPTYPE_UINT64: - // See above note for uint32 -- reinterpreting as signed. - return MaybeNumberString( - field, SimpleItoa(static_cast<int64>(field->default_value_uint64()))); - case FieldDescriptor::CPPTYPE_ENUM: - return SimpleItoa(field->default_value_enum()->number()); - case FieldDescriptor::CPPTYPE_BOOL: - return field->default_value_bool() ? "true" : "false"; - case FieldDescriptor::CPPTYPE_FLOAT: - return FloatToString(field->default_value_float()); - case FieldDescriptor::CPPTYPE_DOUBLE: - return DoubleToString(field->default_value_double()); - case FieldDescriptor::CPPTYPE_STRING: - if (field->type() == FieldDescriptor::TYPE_STRING) { - string out; - bool is_valid = EscapeJSString(field->default_value_string(), &out); - if (!is_valid) { - // TODO(lukestebbing): Decide whether this should be a hard error. - GOOGLE_LOG(WARNING) << "The default value for field " << field->full_name() - << " was truncated since it contained invalid UTF-8 or" - " codepoints outside the basic multilingual plane."; - } - return "\"" + out + "\""; - } else { // Bytes - return "\"" + EscapeBase64(field->default_value_string()) + "\""; - } - case FieldDescriptor::CPPTYPE_MESSAGE: - return "null"; - } - GOOGLE_LOG(FATAL) << "Shouldn't reach here."; - return ""; -} - -string ProtoTypeName(const GeneratorOptions& options, - const FieldDescriptor* field) { - switch (field->type()) { - case FieldDescriptor::TYPE_BOOL: - return "bool"; - case FieldDescriptor::TYPE_INT32: - return "int32"; - case FieldDescriptor::TYPE_UINT32: - return "uint32"; - case FieldDescriptor::TYPE_SINT32: - return "sint32"; - case FieldDescriptor::TYPE_FIXED32: - return "fixed32"; - case FieldDescriptor::TYPE_SFIXED32: - return "sfixed32"; - case FieldDescriptor::TYPE_INT64: - return "int64"; - case FieldDescriptor::TYPE_UINT64: - return "uint64"; - case FieldDescriptor::TYPE_SINT64: - return "sint64"; - case FieldDescriptor::TYPE_FIXED64: - return "fixed64"; - case FieldDescriptor::TYPE_SFIXED64: - return "sfixed64"; - case FieldDescriptor::TYPE_FLOAT: - return "float"; - case FieldDescriptor::TYPE_DOUBLE: - return "double"; - case FieldDescriptor::TYPE_STRING: - return "string"; - case FieldDescriptor::TYPE_BYTES: - return "bytes"; - case FieldDescriptor::TYPE_GROUP: - return GetPath(options, field->message_type()); - case FieldDescriptor::TYPE_ENUM: - return GetPath(options, field->enum_type()); - case FieldDescriptor::TYPE_MESSAGE: - return GetPath(options, field->message_type()); - default: - return ""; - } -} - -string JSIntegerTypeName(const FieldDescriptor* field) { - return "number"; -} - -string JSStringTypeName(const GeneratorOptions& options, - const FieldDescriptor* field, - BytesMode bytes_mode) { - if (field->type() == FieldDescriptor::TYPE_BYTES) { - switch (bytes_mode) { - case BYTES_DEFAULT: - return "(string|Uint8Array)"; - case BYTES_B64: - return "string"; - case BYTES_U8: - return "Uint8Array"; - default: - assert(false); - } - } - return "string"; -} - -string JSTypeName(const GeneratorOptions& options, - const FieldDescriptor* field, - BytesMode bytes_mode) { - switch (field->cpp_type()) { - case FieldDescriptor::CPPTYPE_BOOL: - return "boolean"; - case FieldDescriptor::CPPTYPE_INT32: - return JSIntegerTypeName(field); - case FieldDescriptor::CPPTYPE_INT64: - return JSIntegerTypeName(field); - case FieldDescriptor::CPPTYPE_UINT32: - return JSIntegerTypeName(field); - case FieldDescriptor::CPPTYPE_UINT64: - return JSIntegerTypeName(field); - case FieldDescriptor::CPPTYPE_FLOAT: - return "number"; - case FieldDescriptor::CPPTYPE_DOUBLE: - return "number"; - case FieldDescriptor::CPPTYPE_STRING: - return JSStringTypeName(options, field, bytes_mode); - case FieldDescriptor::CPPTYPE_ENUM: - return GetPath(options, field->enum_type()); - case FieldDescriptor::CPPTYPE_MESSAGE: - return GetPath(options, field->message_type()); - default: - return ""; - } -} - -bool HasFieldPresence(const FieldDescriptor* field); - -string JSFieldTypeAnnotation(const GeneratorOptions& options, - const FieldDescriptor* field, - bool force_optional, - bool force_present, - bool singular_if_not_packed, - BytesMode bytes_mode = BYTES_DEFAULT) { - bool is_primitive = - (field->cpp_type() != FieldDescriptor::CPPTYPE_ENUM && - field->cpp_type() != FieldDescriptor::CPPTYPE_MESSAGE && - (field->type() != FieldDescriptor::TYPE_BYTES || - bytes_mode == BYTES_B64)); - - string jstype = JSTypeName(options, field, bytes_mode); - - if (field->is_repeated() && - (field->is_packed() || !singular_if_not_packed)) { - if (field->type() == FieldDescriptor::TYPE_BYTES && - bytes_mode == BYTES_DEFAULT) { - jstype = "(Array<!Uint8Array>|Array<string>)"; - } else { - if (!is_primitive) { - jstype = "!" + jstype; - } - jstype = "Array.<" + jstype + ">"; - } - if (!force_optional) { - jstype = "!" + jstype; - } - } - - if (field->is_optional() && is_primitive && - (!field->has_default_value() || force_optional) && !force_present) { - jstype += "?"; - } else if (field->is_required() && !is_primitive && !force_optional) { - jstype = "!" + jstype; - } - - if (force_optional && HasFieldPresence(field)) { - jstype += "|undefined"; - } - if (force_present && jstype[0] != '!' && !is_primitive) { - jstype = "!" + jstype; - } - - return jstype; -} - -string JSBinaryReaderMethodType(const FieldDescriptor* field) { - string name = field->type_name(); - if (name[0] >= 'a' && name[0] <= 'z') { - name[0] = (name[0] - 'a') + 'A'; - } - - return name; -} - -string JSBinaryReadWriteMethodName(const FieldDescriptor* field, - bool is_writer) { - string name = JSBinaryReaderMethodType(field); - if (field->is_packed()) { - name = "Packed" + name; - } else if (is_writer && field->is_repeated()) { - name = "Repeated" + name; - } - return name; -} - -string JSBinaryReaderMethodName(const GeneratorOptions& options, - const FieldDescriptor* field) { - if (options.binary) { - return "jspb.BinaryReader.prototype.read" + - JSBinaryReadWriteMethodName(field, /* is_writer = */ false); - } else { - return "null"; - } -} - -string JSBinaryWriterMethodName(const GeneratorOptions& options, - const FieldDescriptor* field) { - if (options.binary) { - return "jspb.BinaryWriter.prototype.write" + - JSBinaryReadWriteMethodName(field, /* is_writer = */ true); - } else { - return "null"; - } -} - -string JSReturnClause(const FieldDescriptor* desc) { - return ""; -} - -string JSReturnDoc(const GeneratorOptions& options, - const FieldDescriptor* desc) { - return ""; -} - -bool HasRepeatedFields(const Descriptor* desc) { - for (int i = 0; i < desc->field_count(); i++) { - if (desc->field(i)->is_repeated() && !desc->field(i)->is_map()) { - return true; - } - } - return false; -} - -static const char* kRepeatedFieldArrayName = ".repeatedFields_"; - -string RepeatedFieldsArrayName(const GeneratorOptions& options, - const Descriptor* desc) { - return HasRepeatedFields(desc) ? - (GetPath(options, desc) + kRepeatedFieldArrayName) : "null"; -} - -bool HasOneofFields(const Descriptor* desc) { - for (int i = 0; i < desc->field_count(); i++) { - if (desc->field(i)->containing_oneof()) { - return true; - } - } - return false; -} - -static const char* kOneofGroupArrayName = ".oneofGroups_"; - -string OneofFieldsArrayName(const GeneratorOptions& options, - const Descriptor* desc) { - return HasOneofFields(desc) ? - (GetPath(options, desc) + kOneofGroupArrayName) : "null"; -} - -string RepeatedFieldNumberList(const Descriptor* desc) { - std::vector<string> numbers; - for (int i = 0; i < desc->field_count(); i++) { - if (desc->field(i)->is_repeated() && !desc->field(i)->is_map()) { - numbers.push_back(JSFieldIndex(desc->field(i))); - } - } - return "[" + Join(numbers, ",") + "]"; -} - -string OneofGroupList(const Descriptor* desc) { - // List of arrays (one per oneof), each of which is a list of field indices - std::vector<string> oneof_entries; - for (int i = 0; i < desc->oneof_decl_count(); i++) { - const OneofDescriptor* oneof = desc->oneof_decl(i); - if (IgnoreOneof(oneof)) { - continue; - } - - std::vector<string> oneof_fields; - for (int j = 0; j < oneof->field_count(); j++) { - if (IgnoreField(oneof->field(j))) { - continue; - } - oneof_fields.push_back(JSFieldIndex(oneof->field(j))); - } - oneof_entries.push_back("[" + Join(oneof_fields, ",") + "]"); - } - return "[" + Join(oneof_entries, ",") + "]"; -} - -string JSOneofArray(const GeneratorOptions& options, - const FieldDescriptor* field) { - return OneofFieldsArrayName(options, field->containing_type()) + "[" + - JSOneofIndex(field->containing_oneof()) + "]"; -} - -string RelativeTypeName(const FieldDescriptor* field) { - assert(field->cpp_type() == FieldDescriptor::CPPTYPE_ENUM || - field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE); - // For a field with an enum or message type, compute a name relative to the - // path name of the message type containing this field. - string package = field->file()->package(); - string containing_type = field->containing_type()->full_name() + "."; - string type = (field->cpp_type() == FieldDescriptor::CPPTYPE_ENUM) ? - field->enum_type()->full_name() : field->message_type()->full_name(); - - // |prefix| is advanced as we find separators '.' past the common package - // prefix that yield common prefixes in the containing type's name and this - // type's name. - int prefix = 0; - for (int i = 0; i < type.size() && i < containing_type.size(); i++) { - if (type[i] != containing_type[i]) { - break; - } - if (type[i] == '.' && i >= package.size()) { - prefix = i + 1; - } - } - - return type.substr(prefix); -} - -string JSExtensionsObjectName(const GeneratorOptions& options, - const FileDescriptor* from_file, - const Descriptor* desc) { - if (desc->full_name() == "google.protobuf.bridge.MessageSet") { - // TODO(haberman): fix this for the IMPORT_COMMONJS case. - return "jspb.Message.messageSetExtensions"; - } else { - return MaybeCrossFileRef(options, from_file, desc) + ".extensions"; - } -} - -static const int kMapKeyField = 1; -static const int kMapValueField = 2; - -const FieldDescriptor* MapFieldKey(const FieldDescriptor* field) { - assert(field->is_map()); - return field->message_type()->FindFieldByNumber(kMapKeyField); -} - -const FieldDescriptor* MapFieldValue(const FieldDescriptor* field) { - assert(field->is_map()); - return field->message_type()->FindFieldByNumber(kMapValueField); -} - -string FieldDefinition(const GeneratorOptions& options, - const FieldDescriptor* field) { - if (field->is_map()) { - const FieldDescriptor* key_field = MapFieldKey(field); - const FieldDescriptor* value_field = MapFieldValue(field); - string key_type = ProtoTypeName(options, key_field); - string value_type; - if (value_field->type() == FieldDescriptor::TYPE_ENUM || - value_field->type() == FieldDescriptor::TYPE_MESSAGE) { - value_type = RelativeTypeName(value_field); - } else { - value_type = ProtoTypeName(options, value_field); - } - return StringPrintf("map<%s, %s> %s = %d;", - key_type.c_str(), - value_type.c_str(), - field->name().c_str(), - field->number()); - } else { - string qualifier = field->is_repeated() ? "repeated" : - (field->is_optional() ? "optional" : "required"); - string type, name; - if (field->type() == FieldDescriptor::TYPE_ENUM || - field->type() == FieldDescriptor::TYPE_MESSAGE) { - type = RelativeTypeName(field); - name = field->name(); - } else if (field->type() == FieldDescriptor::TYPE_GROUP) { - type = "group"; - name = field->message_type()->name(); - } else { - type = ProtoTypeName(options, field); - name = field->name(); - } - return StringPrintf("%s %s %s = %d;", - qualifier.c_str(), - type.c_str(), - name.c_str(), - field->number()); - } -} - -string FieldComments(const FieldDescriptor* field, BytesMode bytes_mode) { - string comments; - if (field->cpp_type() == FieldDescriptor::CPPTYPE_BOOL) { - comments += - " * Note that Boolean fields may be set to 0/1 when serialized from " - "a Java server.\n" - " * You should avoid comparisons like {@code val === true/false} in " - "those cases.\n"; - } - if (field->is_repeated()) { - comments += - " * If you change this array by adding, removing or replacing " - "elements, or if you\n" - " * replace the array itself, then you must call the setter to " - "update it.\n"; - } - if (field->type() == FieldDescriptor::TYPE_BYTES && bytes_mode == BYTES_U8) { - comments += - " * Note that Uint8Array is not supported on all browsers.\n" - " * @see http://caniuse.com/Uint8Array\n"; - } - return comments; -} - -bool ShouldGenerateExtension(const FieldDescriptor* field) { - return - field->is_extension() && - !IgnoreField(field); -} - -bool HasExtensions(const Descriptor* desc) { - for (int i = 0; i < desc->extension_count(); i++) { - if (ShouldGenerateExtension(desc->extension(i))) { - return true; - } - } - for (int i = 0; i < desc->nested_type_count(); i++) { - if (HasExtensions(desc->nested_type(i))) { - return true; - } - } - return false; -} - -bool HasExtensions(const FileDescriptor* file) { - for (int i = 0; i < file->extension_count(); i++) { - if (ShouldGenerateExtension(file->extension(i))) { - return true; - } - } - for (int i = 0; i < file->message_type_count(); i++) { - if (HasExtensions(file->message_type(i))) { - return true; - } - } - return false; -} - -bool IsExtendable(const Descriptor* desc) { - return desc->extension_range_count() > 0; -} - -// Returns the max index in the underlying data storage array beyond which the -// extension object is used. -string GetPivot(const Descriptor* desc) { - static const int kDefaultPivot = (1 << 29); // max field number (29 bits) - - // Find the max field number - int max_field_number = 0; - for (int i = 0; i < desc->field_count(); i++) { - if (!IgnoreField(desc->field(i)) && - desc->field(i)->number() > max_field_number) { - max_field_number = desc->field(i)->number(); - } - } - - int pivot = -1; - if (IsExtendable(desc)) { - pivot = ((max_field_number + 1) < kDefaultPivot) ? - (max_field_number + 1) : kDefaultPivot; - } - - return SimpleItoa(pivot); -} - -// Returns true for fields that represent "null" as distinct from the default -// value. See http://go/proto3#heading=h.kozewqqcqhuz for more information. -bool HasFieldPresence(const FieldDescriptor* field) { - return - (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) || - (field->containing_oneof() != NULL) || - (field->file()->syntax() != FileDescriptor::SYNTAX_PROTO3); -} - -// For proto3 fields without presence, returns a string representing the default -// value in JavaScript. See http://go/proto3#heading=h.kozewqqcqhuz for more -// information. -string Proto3PrimitiveFieldDefault(const FieldDescriptor* field) { - switch (field->cpp_type()) { - case FieldDescriptor::CPPTYPE_INT32: - case FieldDescriptor::CPPTYPE_INT64: - case FieldDescriptor::CPPTYPE_UINT32: - case FieldDescriptor::CPPTYPE_UINT64: { - return "0"; - } - - case FieldDescriptor::CPPTYPE_ENUM: - case FieldDescriptor::CPPTYPE_FLOAT: - case FieldDescriptor::CPPTYPE_DOUBLE: - return "0"; - - case FieldDescriptor::CPPTYPE_BOOL: - return "false"; - - case FieldDescriptor::CPPTYPE_STRING: // includes BYTES - return "\"\""; - - default: - // MESSAGE is handled separately. - assert(false); - return ""; - } -} - -// We use this to implement the semantics that same file can be generated -// multiple times, but the last one wins. We never actually write the files, -// but we keep a set of which descriptors were the final one for a given -// filename. -class FileDeduplicator { - public: - explicit FileDeduplicator(const GeneratorOptions& options) - : error_on_conflict_(options.error_on_name_conflict) {} - - bool AddFile(const string& filename, const void* desc, string* error) { - if (descs_by_filename_.find(filename) != descs_by_filename_.end()) { - if (error_on_conflict_) { - *error = "Name conflict: file name " + filename + - " would be generated by two descriptors"; - return false; - } - allowed_descs_.erase(descs_by_filename_[filename]); - } - - descs_by_filename_[filename] = desc; - allowed_descs_.insert(desc); - return true; - } - - void GetAllowedSet(set<const void*>* allowed_set) { - *allowed_set = allowed_descs_; - } - - private: - bool error_on_conflict_; - map<string, const void*> descs_by_filename_; - set<const void*> allowed_descs_; -}; - -void DepthFirstSearch(const FileDescriptor* file, - vector<const FileDescriptor*>* list, - set<const FileDescriptor*>* seen) { - if (!seen->insert(file).second) { - return; - } - - // Add all dependencies. - for (int i = 0; i < file->dependency_count(); i++) { - DepthFirstSearch(file->dependency(i), list, seen); - } - - // Add this file. - list->push_back(file); -} - -// A functor for the predicate to remove_if() below. Returns true if a given -// FileDescriptor is not in the given set. -class NotInSet { - public: - explicit NotInSet(const set<const FileDescriptor*>& file_set) - : file_set_(file_set) {} - - bool operator()(const FileDescriptor* file) { - return file_set_.count(file) == 0; - } - - private: - const set<const FileDescriptor*>& file_set_; -}; - -// This function generates an ordering of the input FileDescriptors that matches -// the logic of the old code generator. The order is significant because two -// different input files can generate the same output file, and the last one -// needs to win. -void GenerateJspbFileOrder(const vector<const FileDescriptor*>& input, - vector<const FileDescriptor*>* ordered) { - // First generate an ordering of all reachable files (including dependencies) - // with depth-first search. This mimics the behavior of --include_imports, - // which is what the old codegen used. - ordered->clear(); - set<const FileDescriptor*> seen; - set<const FileDescriptor*> input_set; - for (int i = 0; i < input.size(); i++) { - DepthFirstSearch(input[i], ordered, &seen); - input_set.insert(input[i]); - } - - // Now remove the entries that are not actually in our input list. - ordered->erase( - std::remove_if(ordered->begin(), ordered->end(), NotInSet(input_set)), - ordered->end()); -} - -// If we're generating code in file-per-type mode, avoid overwriting files -// by choosing the last descriptor that writes each filename and permitting -// only those to generate code. - -bool GenerateJspbAllowedSet(const GeneratorOptions& options, - const vector<const FileDescriptor*>& files, - set<const void*>* allowed_set, - string* error) { - vector<const FileDescriptor*> files_ordered; - GenerateJspbFileOrder(files, &files_ordered); - - // Choose the last descriptor for each filename. - FileDeduplicator dedup(options); - for (int i = 0; i < files_ordered.size(); i++) { - for (int j = 0; j < files_ordered[i]->message_type_count(); j++) { - const Descriptor* desc = files_ordered[i]->message_type(j); - if (!dedup.AddFile(GetMessageFileName(options, desc), desc, error)) { - return false; - } - } - for (int j = 0; j < files_ordered[i]->enum_type_count(); j++) { - const EnumDescriptor* desc = files_ordered[i]->enum_type(j); - if (!dedup.AddFile(GetEnumFileName(options, desc), desc, error)) { - return false; - } - } - - // Pull out all free-floating extensions and generate files for those too. - bool has_extension = false; - - for (int j = 0; j < files_ordered[i]->extension_count(); j++) { - if (ShouldGenerateExtension(files_ordered[i]->extension(j))) { - has_extension = true; - } - } - - if (has_extension) { - if (!dedup.AddFile(GetExtensionFileName(options, files_ordered[i]), - files_ordered[i], error)) { - return false; - } - } - } - - dedup.GetAllowedSet(allowed_set); - - return true; -} - -} // anonymous namespace - -void Generator::GenerateHeader(const GeneratorOptions& options, - io::Printer* printer) const { - printer->Print("/**\n" - " * @fileoverview\n" - " * @enhanceable\n" - " * @public\n" - " */\n" - "// GENERATED CODE -- DO NOT EDIT!\n" - "\n"); -} - -void Generator::FindProvidesForFile(const GeneratorOptions& options, - io::Printer* printer, - const FileDescriptor* file, - std::set<string>* provided) const { - for (int i = 0; i < file->message_type_count(); i++) { - FindProvidesForMessage(options, printer, file->message_type(i), provided); - } - for (int i = 0; i < file->enum_type_count(); i++) { - FindProvidesForEnum(options, printer, file->enum_type(i), provided); - } -} - -void Generator::FindProvides(const GeneratorOptions& options, - io::Printer* printer, - const vector<const FileDescriptor*>& files, - std::set<string>* provided) const { - for (int i = 0; i < files.size(); i++) { - FindProvidesForFile(options, printer, files[i], provided); - } - - printer->Print("\n"); -} - -void Generator::FindProvidesForMessage( - const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc, - std::set<string>* provided) const { - if (IgnoreMessage(options, desc)) { - return; - } - - string name = GetPath(options, desc); - provided->insert(name); - - for (int i = 0; i < desc->enum_type_count(); i++) { - FindProvidesForEnum(options, printer, desc->enum_type(i), - provided); - } - for (int i = 0; i < desc->nested_type_count(); i++) { - FindProvidesForMessage(options, printer, desc->nested_type(i), - provided); - } -} - -void Generator::FindProvidesForEnum(const GeneratorOptions& options, - io::Printer* printer, - const EnumDescriptor* enumdesc, - std::set<string>* provided) const { - string name = GetPath(options, enumdesc); - provided->insert(name); -} - -void Generator::FindProvidesForFields( - const GeneratorOptions& options, - io::Printer* printer, - const vector<const FieldDescriptor*>& fields, - std::set<string>* provided) const { - for (int i = 0; i < fields.size(); i++) { - const FieldDescriptor* field = fields[i]; - - if (IgnoreField(field)) { - continue; - } - - string name = - GetPath(options, field->file()) + "." + - JSObjectFieldName(options, field); - provided->insert(name); - } -} - -void Generator::GenerateProvides(const GeneratorOptions& options, - io::Printer* printer, - std::set<string>* provided) const { - for (std::set<string>::iterator it = provided->begin(); - it != provided->end(); ++it) { - printer->Print("goog.provide('$name$');\n", - "name", *it); - } -} - -void Generator::GenerateRequiresForMessage(const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc, - std::set<string>* provided) const { - std::set<string> required; - std::set<string> forwards; - bool have_message = false; - FindRequiresForMessage(options, desc, - &required, &forwards, &have_message); - - GenerateRequiresImpl(options, printer, &required, &forwards, provided, - /* require_jspb = */ have_message, - /* require_extension = */ HasExtensions(desc)); -} - -void Generator::GenerateRequiresForLibrary( - const GeneratorOptions& options, io::Printer* printer, - const vector<const FileDescriptor*>& files, - std::set<string>* provided) const { - GOOGLE_CHECK_EQ(options.import_style, GeneratorOptions::IMPORT_CLOSURE); - // For Closure imports we need to import every message type individually. - std::set<string> required; - std::set<string> forwards; - bool have_extensions = false; - bool have_message = false; - - for (int i = 0; i < files.size(); i++) { - for (int j = 0; j < files[i]->message_type_count(); j++) { - const Descriptor* desc = files[i]->message_type(j); - if (!IgnoreMessage(options, desc)) { - FindRequiresForMessage(options, desc, &required, &forwards, - &have_message); - } - } - - if (!have_extensions && HasExtensions(files[i])) { - have_extensions = true; - } - - for (int j = 0; j < files[i]->extension_count(); j++) { - const FieldDescriptor* extension = files[i]->extension(j); - if (IgnoreField(extension)) { - continue; - } - if (extension->containing_type()->full_name() != - "google.protobuf.bridge.MessageSet") { - required.insert(GetPath(options, extension->containing_type())); - } - FindRequiresForField(options, extension, &required, &forwards); - have_extensions = true; - } - } - - GenerateRequiresImpl(options, printer, &required, &forwards, provided, - /* require_jspb = */ have_message, - /* require_extension = */ have_extensions); -} - -void Generator::GenerateRequiresForExtensions( - const GeneratorOptions& options, io::Printer* printer, - const vector<const FieldDescriptor*>& fields, - std::set<string>* provided) const { - std::set<string> required; - std::set<string> forwards; - for (int i = 0; i < fields.size(); i++) { - const FieldDescriptor* field = fields[i]; - if (IgnoreField(field)) { - continue; - } - FindRequiresForExtension(options, field, &required, &forwards); - } - - GenerateRequiresImpl(options, printer, &required, &forwards, provided, - /* require_jspb = */ false, - /* require_extension = */ fields.size() > 0); -} - -void Generator::GenerateRequiresImpl(const GeneratorOptions& options, - io::Printer* printer, - std::set<string>* required, - std::set<string>* forwards, - std::set<string>* provided, - bool require_jspb, - bool require_extension) const { - if (require_jspb) { - printer->Print( - "goog.require('jspb.Message');\n"); - if (options.binary) { - printer->Print( - "goog.require('jspb.BinaryReader');\n" - "goog.require('jspb.BinaryWriter');\n"); - } - } - if (require_extension) { - printer->Print( - "goog.require('jspb.ExtensionFieldInfo');\n"); - } - - std::set<string>::iterator it; - for (it = required->begin(); it != required->end(); ++it) { - if (provided->find(*it) != provided->end()) { - continue; - } - printer->Print("goog.require('$name$');\n", - "name", *it); - } - - printer->Print("\n"); - - for (it = forwards->begin(); it != forwards->end(); ++it) { - if (provided->find(*it) != provided->end()) { - continue; - } - printer->Print("goog.forwardDeclare('$name$');\n", - "name", *it); - } -} - -bool NamespaceOnly(const Descriptor* desc) { - return false; -} - -void Generator::FindRequiresForMessage( - const GeneratorOptions& options, - const Descriptor* desc, - std::set<string>* required, - std::set<string>* forwards, - bool* have_message) const { - - - if (!NamespaceOnly(desc)) { - *have_message = true; - for (int i = 0; i < desc->field_count(); i++) { - const FieldDescriptor* field = desc->field(i); - if (IgnoreField(field)) { - continue; - } - FindRequiresForField(options, field, required, forwards); - } - } - - for (int i = 0; i < desc->extension_count(); i++) { - const FieldDescriptor* field = desc->extension(i); - if (IgnoreField(field)) { - continue; - } - FindRequiresForExtension(options, field, required, forwards); - } - - for (int i = 0; i < desc->nested_type_count(); i++) { - FindRequiresForMessage(options, desc->nested_type(i), required, forwards, - have_message); - } -} - -void Generator::FindRequiresForField(const GeneratorOptions& options, - const FieldDescriptor* field, - std::set<string>* required, - std::set<string>* forwards) const { - if (field->cpp_type() == FieldDescriptor::CPPTYPE_ENUM && - // N.B.: file-level extensions with enum type do *not* create - // dependencies, as per original codegen. - !(field->is_extension() && field->extension_scope() == NULL)) { - if (options.add_require_for_enums) { - required->insert(GetPath(options, field->enum_type())); - } else { - forwards->insert(GetPath(options, field->enum_type())); - } - } else if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { - if (!IgnoreMessage(options, field->message_type())) { - required->insert(GetPath(options, field->message_type())); - } - } -} - -void Generator::FindRequiresForExtension(const GeneratorOptions& options, - const FieldDescriptor* field, - std::set<string>* required, - std::set<string>* forwards) const { - if (field->containing_type()->full_name() != "google.protobuf.bridge.MessageSet") { - required->insert(GetPath(options, field->containing_type())); - } - FindRequiresForField(options, field, required, forwards); -} - -void Generator::GenerateTestOnly(const GeneratorOptions& options, - io::Printer* printer) const { - if (options.testonly) { - printer->Print("goog.setTestOnly();\n\n"); - } - printer->Print("\n"); -} - -void Generator::GenerateClassesAndEnums(const GeneratorOptions& options, - io::Printer* printer, - const FileDescriptor* file) const { - for (int i = 0; i < file->message_type_count(); i++) { - GenerateClass(options, printer, file->message_type(i)); - } - for (int i = 0; i < file->enum_type_count(); i++) { - GenerateEnum(options, printer, file->enum_type(i)); - } -} - -void Generator::GenerateClass(const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc) const { - if (IgnoreMessage(options, desc)) { - return; - } - - if (!NamespaceOnly(desc)) { - printer->Print("\n"); - GenerateClassConstructor(options, printer, desc); - GenerateClassFieldInfo(options, printer, desc); - - - GenerateClassToObject(options, printer, desc); - if (options.binary) { - // These must come *before* the extension-field info generation in - // GenerateClassRegistration so that references to the binary - // serialization/deserialization functions may be placed in the extension - // objects. - GenerateClassDeserializeBinary(options, printer, desc); - GenerateClassSerializeBinary(options, printer, desc); - } - GenerateClassClone(options, printer, desc); - GenerateClassRegistration(options, printer, desc); - GenerateClassFields(options, printer, desc); - if (IsExtendable(desc) && desc->full_name() != "google.protobuf.bridge.MessageSet") { - GenerateClassExtensionFieldInfo(options, printer, desc); - } - - if (options.import_style != GeneratorOptions:: IMPORT_CLOSURE) { - for (int i = 0; i < desc->extension_count(); i++) { - GenerateExtension(options, printer, desc->extension(i)); - } - } - } - - // Recurse on nested types. - for (int i = 0; i < desc->enum_type_count(); i++) { - GenerateEnum(options, printer, desc->enum_type(i)); - } - for (int i = 0; i < desc->nested_type_count(); i++) { - GenerateClass(options, printer, desc->nested_type(i)); - } -} - -void Generator::GenerateClassConstructor(const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc) const { - printer->Print( - "/**\n" - " * Generated by JsPbCodeGenerator.\n" - " * @param {Array=} opt_data Optional initial data array, typically " - "from a\n" - " * server response, or constructed directly in Javascript. The array " - "is used\n" - " * in place and becomes part of the constructed object. It is not " - "cloned.\n" - " * If no data is provided, the constructed object will be empty, but " - "still\n" - " * valid.\n" - " * @extends {jspb.Message}\n" - " * @constructor\n" - " */\n" - "$classname$ = function(opt_data) {\n", - "classname", GetPath(options, desc)); - string message_id = GetMessageId(desc); - printer->Print( - " jspb.Message.initialize(this, opt_data, $messageId$, $pivot$, " - "$rptfields$, $oneoffields$);\n", - "messageId", !message_id.empty() ? - ("'" + message_id + "'") : - (IsResponse(desc) ? "''" : "0"), - "pivot", GetPivot(desc), - "rptfields", RepeatedFieldsArrayName(options, desc), - "oneoffields", OneofFieldsArrayName(options, desc)); - printer->Print( - "};\n" - "goog.inherits($classname$, jspb.Message);\n" - "if (goog.DEBUG && !COMPILED) {\n" - " $classname$.displayName = '$classname$';\n" - "}\n", - "classname", GetPath(options, desc)); -} - -void Generator::GenerateClassFieldInfo(const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc) const { - if (HasRepeatedFields(desc)) { - printer->Print( - "/**\n" - " * List of repeated fields within this message type.\n" - " * @private {!Array<number>}\n" - " * @const\n" - " */\n" - "$classname$$rptfieldarray$ = $rptfields$;\n" - "\n", - "classname", GetPath(options, desc), - "rptfieldarray", kRepeatedFieldArrayName, - "rptfields", RepeatedFieldNumberList(desc)); - } - - if (HasOneofFields(desc)) { - printer->Print( - "/**\n" - " * Oneof group definitions for this message. Each group defines the " - "field\n" - " * numbers belonging to that group. When of these fields' value is " - "set, all\n" - " * other fields in the group are cleared. During deserialization, if " - "multiple\n" - " * fields are encountered for a group, only the last value seen will " - "be kept.\n" - " * @private {!Array<!Array<number>>}\n" - " * @const\n" - " */\n" - "$classname$$oneofgrouparray$ = $oneofgroups$;\n" - "\n", - "classname", GetPath(options, desc), - "oneofgrouparray", kOneofGroupArrayName, - "oneofgroups", OneofGroupList(desc)); - - for (int i = 0; i < desc->oneof_decl_count(); i++) { - if (IgnoreOneof(desc->oneof_decl(i))) { - continue; - } - GenerateOneofCaseDefinition(options, printer, desc->oneof_decl(i)); - } - } -} - -void Generator::GenerateClassXid(const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc) const { - printer->Print( - "\n" - "\n" - "$class$.prototype.messageXid = xid('$class$');\n", - "class", GetPath(options, desc)); -} - -void Generator::GenerateOneofCaseDefinition( - const GeneratorOptions& options, - io::Printer* printer, - const OneofDescriptor* oneof) const { - printer->Print( - "/**\n" - " * @enum {number}\n" - " */\n" - "$classname$.$oneof$Case = {\n" - " $upcase$_NOT_SET: 0", - "classname", GetPath(options, oneof->containing_type()), - "oneof", JSOneofName(oneof), - "upcase", ToEnumCase(oneof->name())); - - for (int i = 0; i < oneof->field_count(); i++) { - if (IgnoreField(oneof->field(i))) { - continue; - } - - printer->Print( - ",\n" - " $upcase$: $number$", - "upcase", ToEnumCase(oneof->field(i)->name()), - "number", JSFieldIndex(oneof->field(i))); - } - - printer->Print( - "\n" - "};\n" - "\n" - "/**\n" - " * @return {$class$.$oneof$Case}\n" - " */\n" - "$class$.prototype.get$oneof$Case = function() {\n" - " return /** @type {$class$.$oneof$Case} */(jspb.Message." - "computeOneofCase(this, $class$.oneofGroups_[$oneofindex$]));\n" - "};\n" - "\n", - "class", GetPath(options, oneof->containing_type()), - "oneof", JSOneofName(oneof), - "oneofindex", JSOneofIndex(oneof)); -} - -void Generator::GenerateClassToObject(const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc) const { - printer->Print( - "\n" - "\n" - "if (jspb.Message.GENERATE_TO_OBJECT) {\n" - "/**\n" - " * Creates an object representation of this proto suitable for use in " - "Soy templates.\n" - " * Field names that are reserved in JavaScript and will be renamed to " - "pb_name.\n" - " * To access a reserved field use, foo.pb_<name>, eg, foo.pb_default.\n" - " * For the list of reserved names please see:\n" - " * com.google.apps.jspb.JsClassTemplate.JS_RESERVED_WORDS.\n" - " * @param {boolean=} opt_includeInstance Whether to include the JSPB " - "instance\n" - " * for transitional soy proto support: http://goto/soy-param-" - "migration\n" - " * @return {!Object}\n" - " */\n" - "$classname$.prototype.toObject = function(opt_includeInstance) {\n" - " return $classname$.toObject(opt_includeInstance, this);\n" - "};\n" - "\n" - "\n" - "/**\n" - " * Static version of the {@see toObject} method.\n" - " * @param {boolean|undefined} includeInstance Whether to include the " - "JSPB\n" - " * instance for transitional soy proto support:\n" - " * http://goto/soy-param-migration\n" - " * @param {!$classname$} msg The msg instance to transform.\n" - " * @return {!Object}\n" - " */\n" - "$classname$.toObject = function(includeInstance, msg) {\n" - " var f, obj = {", - "classname", GetPath(options, desc)); - - bool first = true; - for (int i = 0; i < desc->field_count(); i++) { - const FieldDescriptor* field = desc->field(i); - if (IgnoreField(field)) { - continue; - } - - if (!first) { - printer->Print(",\n "); - } else { - printer->Print("\n "); - first = false; - } - - GenerateClassFieldToObject(options, printer, field); - } - - if (!first) { - printer->Print("\n };\n\n"); - } else { - printer->Print("\n\n };\n\n"); - } - - if (IsExtendable(desc)) { - printer->Print( - " jspb.Message.toObjectExtension(/** @type {!jspb.Message} */ (msg), " - "obj,\n" - " $extObject$, $class$.prototype.getExtension,\n" - " includeInstance);\n", - "extObject", JSExtensionsObjectName(options, desc->file(), desc), - "class", GetPath(options, desc)); - } - - printer->Print( - " if (includeInstance) {\n" - " obj.$$jspbMessageInstance = msg;\n" - " }\n" - " return obj;\n" - "};\n" - "}\n" - "\n" - "\n", - "classname", GetPath(options, desc)); -} - -void Generator::GenerateClassFieldToObject(const GeneratorOptions& options, - io::Printer* printer, - const FieldDescriptor* field) const { - printer->Print("$fieldname$: ", - "fieldname", JSObjectFieldName(options, field)); - - if (field->is_map()) { - printer->Print("(f = msg.get$name$(true)) ? f.toArray() : []", - "name", JSGetterName(options, field)); - } else if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { - // Message field. - if (field->is_repeated()) { - { - printer->Print("jspb.Message.toObjectList(msg.get$getter$(),\n" - " $type$.toObject, includeInstance)", - "getter", JSGetterName(options, field), - "type", SubmessageTypeRef(options, field)); - } - } else { - printer->Print("(f = msg.get$getter$()) && " - "$type$.toObject(includeInstance, f)", - "getter", JSGetterName(options, field), - "type", SubmessageTypeRef(options, field)); - } - } else { - // Simple field (singular or repeated). - if ((!HasFieldPresence(field) && !field->is_repeated()) || - field->type() == FieldDescriptor::TYPE_BYTES) { - // Delegate to the generated get<field>() method in order not to duplicate - // the proto3-field-default-value or byte-coercion logic here. - printer->Print("msg.get$getter$()", - "getter", JSGetterName(options, field, BYTES_B64)); - } else { - if (field->has_default_value()) { - printer->Print("jspb.Message.getField(msg, $index$) == null ? " - "$defaultValue$ : ", - "index", JSFieldIndex(field), - "defaultValue", JSFieldDefault(field)); - } - if (field->cpp_type() == FieldDescriptor::CPPTYPE_FLOAT || - field->cpp_type() == FieldDescriptor::CPPTYPE_DOUBLE) { - if (field->is_repeated()) { - printer->Print("jspb.Message.getRepeatedFloatingPointField(" - "msg, $index$)", - "index", JSFieldIndex(field)); - } else if (field->is_optional() && !field->has_default_value()) { - printer->Print("jspb.Message.getOptionalFloatingPointField(" - "msg, $index$)", - "index", JSFieldIndex(field)); - } else { - // Convert "NaN" to NaN. - printer->Print("+jspb.Message.getField(msg, $index$)", - "index", JSFieldIndex(field)); - } - } else { - printer->Print("jspb.Message.getField(msg, $index$)", - "index", JSFieldIndex(field)); - } - } - } -} - -void Generator::GenerateClassFromObject(const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc) const { - printer->Print( - "if (jspb.Message.GENERATE_FROM_OBJECT) {\n" - "/**\n" - " * Loads data from an object into a new instance of this proto.\n" - " * @param {!Object} obj The object representation of this proto to\n" - " * load the data from.\n" - " * @return {!$classname$}\n" - " */\n" - "$classname$.fromObject = function(obj) {\n" - " var f, msg = new $classname$();\n", - "classname", GetPath(options, desc)); - - for (int i = 0; i < desc->field_count(); i++) { - const FieldDescriptor* field = desc->field(i); - GenerateClassFieldFromObject(options, printer, field); - } - - printer->Print( - " return msg;\n" - "};\n" - "}\n"); -} - -void Generator::GenerateClassFieldFromObject( - const GeneratorOptions& options, - io::Printer* printer, - const FieldDescriptor* field) const { - - if (field->is_map()) { - // `msg` is a newly-constructed message object that has not yet built any - // map containers wrapping underlying arrays, so we can simply directly set - // the array here without fear of a stale wrapper. - printer->Print( - " goog.isDef(obj.$name$) && " - "jspb.Message.setField(msg, $index$, obj.$name$);\n", - "name", JSObjectFieldName(options, field), - "index", JSFieldIndex(field)); - } else if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { - // Message field (singular or repeated) - if (field->is_repeated()) { - { - printer->Print( - " goog.isDef(obj.$name$) && " - "jspb.Message.setRepeatedWrapperField(\n" - " msg, $index$, goog.array.map(obj.$name$, function(i) {\n" - " return $fieldclass$.fromObject(i);\n" - " }));\n", - "name", JSObjectFieldName(options, field), - "index", JSFieldIndex(field), - "fieldclass", SubmessageTypeRef(options, field)); - } - } else { - printer->Print( - " goog.isDef(obj.$name$) && jspb.Message.setWrapperField(\n" - " msg, $index$, $fieldclass$.fromObject(obj.$name$));\n", - "name", JSObjectFieldName(options, field), - "index", JSFieldIndex(field), - "fieldclass", SubmessageTypeRef(options, field)); - } - } else { - // Simple (primitive) field. - printer->Print( - " goog.isDef(obj.$name$) && jspb.Message.setField(msg, $index$, " - "obj.$name$);\n", - "name", JSObjectFieldName(options, field), - "index", JSFieldIndex(field)); - } -} - -void Generator::GenerateClassClone(const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc) const { - printer->Print( - "/**\n" - " * Creates a deep clone of this proto. No data is shared with the " - "original.\n" - " * @return {!$name$} The clone.\n" - " */\n" - "$name$.prototype.cloneMessage = function() {\n" - " return /** @type {!$name$} */ (jspb.Message.cloneMessage(this));\n" - "};\n\n\n", - "name", GetPath(options, desc)); -} - -void Generator::GenerateClassRegistration(const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc) const { - // Register any extensions defined inside this message type. - for (int i = 0; i < desc->extension_count(); i++) { - const FieldDescriptor* extension = desc->extension(i); - if (ShouldGenerateExtension(extension)) { - GenerateExtension(options, printer, extension); - } - } - -} - -void Generator::GenerateClassFields(const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc) const { - for (int i = 0; i < desc->field_count(); i++) { - if (!IgnoreField(desc->field(i))) { - GenerateClassField(options, printer, desc->field(i)); - } - } -} - -void GenerateBytesWrapper(const GeneratorOptions& options, - io::Printer* printer, - const FieldDescriptor* field, - BytesMode bytes_mode) { - string type = - JSFieldTypeAnnotation(options, field, - /* force_optional = */ false, - /* force_present = */ !HasFieldPresence(field), - /* singular_if_not_packed = */ false, - bytes_mode); - printer->Print( - "/**\n" - " * $fielddef$\n" - "$comment$" - " * This is a type-conversion wrapper around `get$defname$()`\n" - " * @return {$type$}\n" - " */\n" - "$class$.prototype.get$name$ = function() {\n" - " return /** @type {$type$} */ (jspb.Message.bytes$list$As$suffix$(\n" - " this.get$defname$()));\n" - "};\n" - "\n" - "\n", - "fielddef", FieldDefinition(options, field), - "comment", FieldComments(field, bytes_mode), - "type", type, - "class", GetPath(options, field->containing_type()), - "name", JSGetterName(options, field, bytes_mode), - "list", field->is_repeated() ? "List" : "", - "suffix", JSByteGetterSuffix(bytes_mode), - "defname", JSGetterName(options, field, BYTES_DEFAULT)); -} - - -void Generator::GenerateClassField(const GeneratorOptions& options, - io::Printer* printer, - const FieldDescriptor* field) const { - if (field->is_map()) { - const FieldDescriptor* key_field = MapFieldKey(field); - const FieldDescriptor* value_field = MapFieldValue(field); - // Map field: special handling to instantiate the map object on demand. - string key_type = - JSFieldTypeAnnotation( - options, key_field, - /* force_optional = */ false, - /* force_present = */ true, - /* singular_if_not_packed = */ false); - string value_type = - JSFieldTypeAnnotation( - options, value_field, - /* force_optional = */ false, - /* force_present = */ true, - /* singular_if_not_packed = */ false); - - printer->Print( - "/**\n" - " * $fielddef$\n" - " * @param {boolean=} opt_noLazyCreate Do not create the map if\n" - " * empty, instead returning `undefined`\n" - " * @return {!jspb.Map<$keytype$,$valuetype$>}\n" - " */\n", - "fielddef", FieldDefinition(options, field), - "keytype", key_type, - "valuetype", value_type); - printer->Print( - "$class$.prototype.get$name$ = function(opt_noLazyCreate) {\n" - " return /** @type {!jspb.Map<$keytype$,$valuetype$>} */ (\n", - "class", GetPath(options, field->containing_type()), - "name", JSGetterName(options, field), - "keytype", key_type, - "valuetype", value_type); - printer->Print( - " jspb.Message.getMapField(this, $index$, opt_noLazyCreate", - "index", JSFieldIndex(field)); - - if (value_field->type() == FieldDescriptor::TYPE_MESSAGE) { - printer->Print(",\n" - " $messageType$", - "messageType", GetPath(options, value_field->message_type())); - } else if (options.binary) { - printer->Print(",\n" - " null"); - } - - if (options.binary) { - printer->Print(",\n" - " $keyWriterFn$,\n" - " $keyReaderFn$,\n" - " $valueWriterFn$,\n" - " $valueReaderFn$", - "keyWriterFn", JSBinaryWriterMethodName(options, key_field), - "keyReaderFn", JSBinaryReaderMethodName(options, key_field), - "valueWriterFn", JSBinaryWriterMethodName(options, value_field), - "valueReaderFn", JSBinaryReaderMethodName(options, value_field)); - - if (value_field->type() == FieldDescriptor::TYPE_MESSAGE) { - printer->Print(",\n" - " $messageType$.serializeBinaryToWriter,\n" - " $messageType$.deserializeBinaryFromReader", - "messageType", GetPath(options, value_field->message_type())); - } - } - - printer->Print( - "));\n"); - - printer->Print( - "};\n" - "\n" - "\n"); - } else if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { - // Message field: special handling in order to wrap the underlying data - // array with a message object. - - printer->Print( - "/**\n" - " * $fielddef$\n" - "$comment$" - " * @return {$type$}\n" - " */\n", - "fielddef", FieldDefinition(options, field), - "comment", FieldComments(field, BYTES_DEFAULT), - "type", JSFieldTypeAnnotation(options, field, - /* force_optional = */ false, - /* force_present = */ false, - /* singular_if_not_packed = */ false)); - printer->Print( - "$class$.prototype.get$name$ = function() {\n" - " return /** @type{$type$} */ (\n" - " jspb.Message.get$rpt$WrapperField(this, $wrapperclass$, " - "$index$$required$));\n" - "};\n" - "\n" - "\n", - "class", GetPath(options, field->containing_type()), - "name", JSGetterName(options, field), - "type", JSFieldTypeAnnotation(options, field, - /* force_optional = */ false, - /* force_present = */ false, - /* singular_if_not_packed = */ false), - "rpt", (field->is_repeated() ? "Repeated" : ""), - "index", JSFieldIndex(field), - "wrapperclass", SubmessageTypeRef(options, field), - "required", (field->label() == FieldDescriptor::LABEL_REQUIRED ? - ", 1" : "")); - printer->Print( - "/** @param {$optionaltype$} value $returndoc$ */\n" - "$class$.prototype.set$name$ = function(value) {\n" - " jspb.Message.set$oneoftag$$repeatedtag$WrapperField(", - "optionaltype", - JSFieldTypeAnnotation(options, field, - /* force_optional = */ true, - /* force_present = */ false, - /* singular_if_not_packed = */ false), - "returndoc", JSReturnDoc(options, field), - "class", GetPath(options, field->containing_type()), - "name", JSGetterName(options, field), - "oneoftag", (field->containing_oneof() ? "Oneof" : ""), - "repeatedtag", (field->is_repeated() ? "Repeated" : "")); - - printer->Print( - "this, $index$$oneofgroup$, value);$returnvalue$\n" - "};\n" - "\n" - "\n", - "index", JSFieldIndex(field), - "oneofgroup", (field->containing_oneof() ? - (", " + JSOneofArray(options, field)) : ""), - "returnvalue", JSReturnClause(field)); - - printer->Print( - "$class$.prototype.clear$name$ = function() {\n" - " this.set$name$($clearedvalue$);$returnvalue$\n" - "};\n" - "\n" - "\n", - "class", GetPath(options, field->containing_type()), - "name", JSGetterName(options, field), - "clearedvalue", (field->is_repeated() ? "[]" : "undefined"), - "returnvalue", JSReturnClause(field)); - - } else { - bool untyped = - false; - - // Simple (primitive) field, either singular or repeated. - - // TODO(b/26173701): Always use BYTES_DEFAULT for the getter return type; - // at this point we "lie" to non-binary users and tell the the return - // type is always base64 string, pending a LSC to migrate to typed getters. - BytesMode bytes_mode = - field->type() == FieldDescriptor::TYPE_BYTES && !options.binary ? - BYTES_B64 : BYTES_DEFAULT; - string typed_annotation = - JSFieldTypeAnnotation(options, field, - /* force_optional = */ false, - /* force_present = */ !HasFieldPresence(field), - /* singular_if_not_packed = */ false, - /* bytes_mode = */ bytes_mode); - if (untyped) { - printer->Print( - "/**\n" - " * @return {?} Raw field, untyped.\n" - " */\n"); - } else { - printer->Print( - "/**\n" - " * $fielddef$\n" - "$comment$" - " * @return {$type$}\n" - " */\n", - "fielddef", FieldDefinition(options, field), - "comment", FieldComments(field, bytes_mode), - "type", typed_annotation); - } - - printer->Print( - "$class$.prototype.get$name$ = function() {\n", - "class", GetPath(options, field->containing_type()), - "name", JSGetterName(options, field)); - - if (untyped) { - printer->Print( - " return "); - } else { - printer->Print( - " return /** @type {$type$} */ (", - "type", typed_annotation); - } - - // For proto3 fields without presence, use special getters that will return - // defaults when the field is unset, possibly constructing a value if - // required. - if (!HasFieldPresence(field) && !field->is_repeated()) { - printer->Print("jspb.Message.getFieldProto3(this, $index$, $default$)", - "index", JSFieldIndex(field), - "default", Proto3PrimitiveFieldDefault(field)); - } else { - if (field->has_default_value()) { - printer->Print("jspb.Message.getField(this, $index$) == null ? " - "$defaultValue$ : ", - "index", JSFieldIndex(field), - "defaultValue", JSFieldDefault(field)); - } - if (field->cpp_type() == FieldDescriptor::CPPTYPE_FLOAT || - field->cpp_type() == FieldDescriptor::CPPTYPE_DOUBLE) { - if (field->is_repeated()) { - printer->Print("jspb.Message.getRepeatedFloatingPointField(" - "this, $index$)", - "index", JSFieldIndex(field)); - } else if (field->is_optional() && !field->has_default_value()) { - printer->Print("jspb.Message.getOptionalFloatingPointField(" - "this, $index$)", - "index", JSFieldIndex(field)); - } else { - // Convert "NaN" to NaN. - printer->Print("+jspb.Message.getField(this, $index$)", - "index", JSFieldIndex(field)); - } - } else { - printer->Print("jspb.Message.getField(this, $index$)", - "index", JSFieldIndex(field)); - } - } - - if (untyped) { - printer->Print( - ";\n" - "};\n" - "\n" - "\n"); - } else { - printer->Print( - ");\n" - "};\n" - "\n" - "\n"); - } - - if (field->type() == FieldDescriptor::TYPE_BYTES && !untyped) { - GenerateBytesWrapper(options, printer, field, BYTES_B64); - GenerateBytesWrapper(options, printer, field, BYTES_U8); - } - - if (untyped) { - printer->Print( - "/**\n" - " * @param {*} value $returndoc$\n" - " */\n", - "returndoc", JSReturnDoc(options, field)); - } else { - printer->Print( - "/** @param {$optionaltype$} value $returndoc$ */\n", - "optionaltype", - JSFieldTypeAnnotation(options, field, - /* force_optional = */ true, - /* force_present = */ !HasFieldPresence(field), - /* singular_if_not_packed = */ false), - "returndoc", JSReturnDoc(options, field)); - } - printer->Print( - "$class$.prototype.set$name$ = function(value) {\n" - " jspb.Message.set$oneoftag$Field(this, $index$", - "class", GetPath(options, field->containing_type()), - "name", JSGetterName(options, field), - "oneoftag", (field->containing_oneof() ? "Oneof" : ""), - "index", JSFieldIndex(field)); - printer->Print( - "$oneofgroup$, $type$value$rptvalueinit$$typeclose$);$returnvalue$\n" - "};\n" - "\n" - "\n", - "type", - untyped ? "/** @type{string|number|boolean|Array|undefined} */(" : "", - "typeclose", untyped ? ")" : "", - "oneofgroup", - (field->containing_oneof() ? (", " + JSOneofArray(options, field)) - : ""), - "returnvalue", JSReturnClause(field), "rptvalueinit", - (field->is_repeated() ? " || []" : "")); - - if (untyped) { - printer->Print( - "/**\n" - " * Clears the value. $returndoc$\n" - " */\n", - "returndoc", JSReturnDoc(options, field)); - } - - if (HasFieldPresence(field)) { - printer->Print( - "$class$.prototype.clear$name$ = function() {\n" - " jspb.Message.set$oneoftag$Field(this, $index$$oneofgroup$, ", - "class", GetPath(options, field->containing_type()), - "name", JSGetterName(options, field), - "oneoftag", (field->containing_oneof() ? "Oneof" : ""), - "oneofgroup", (field->containing_oneof() ? - (", " + JSOneofArray(options, field)) : ""), - "index", JSFieldIndex(field)); - printer->Print( - "$clearedvalue$);$returnvalue$\n" - "};\n" - "\n" - "\n", - "clearedvalue", (field->is_repeated() ? "[]" : "undefined"), - "returnvalue", JSReturnClause(field)); - } - } -} - -void Generator::GenerateClassExtensionFieldInfo(const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc) const { - if (IsExtendable(desc)) { - printer->Print( - "\n" - "/**\n" - " * The extensions registered with this message class. This is a " - "map of\n" - " * extension field number to fieldInfo object.\n" - " *\n" - " * For example:\n" - " * { 123: {fieldIndex: 123, fieldName: {my_field_name: 0}, " - "ctor: proto.example.MyMessage} }\n" - " *\n" - " * fieldName contains the JsCompiler renamed field name property " - "so that it\n" - " * works in OPTIMIZED mode.\n" - " *\n" - " * @type {!Object.<number, jspb.ExtensionFieldInfo>}\n" - " */\n" - "$class$.extensions = {};\n" - "\n", - "class", GetPath(options, desc)); - } -} - - -void Generator::GenerateClassDeserializeBinary(const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc) const { - // TODO(cfallin): Handle lazy decoding when requested by field option and/or - // by default for 'bytes' fields and packed repeated fields. - - printer->Print( - "/**\n" - " * Deserializes binary data (in protobuf wire format).\n" - " * @param {jspb.ByteSource} bytes The bytes to deserialize.\n" - " * @return {!$class$}\n" - " */\n" - "$class$.deserializeBinary = function(bytes) {\n" - " var reader = new jspb.BinaryReader(bytes);\n" - " var msg = new $class$;\n" - " return $class$.deserializeBinaryFromReader(msg, reader);\n" - "};\n" - "\n" - "\n" - "/**\n" - " * Deserializes binary data (in protobuf wire format) from the\n" - " * given reader into the given message object.\n" - " * @param {!$class$} msg The message object to deserialize into.\n" - " * @param {!jspb.BinaryReader} reader The BinaryReader to use.\n" - " * @return {!$class$}\n" - " */\n" - "$class$.deserializeBinaryFromReader = function(msg, reader) {\n" - " while (reader.nextField()) {\n" - " if (reader.isEndGroup()) {\n" - " break;\n" - " }\n" - " var field = reader.getFieldNumber();\n" - " switch (field) {\n", - "class", GetPath(options, desc)); - - for (int i = 0; i < desc->field_count(); i++) { - GenerateClassDeserializeBinaryField(options, printer, desc->field(i)); - } - - printer->Print( - " default:\n"); - if (IsExtendable(desc)) { - printer->Print( - " jspb.Message.readBinaryExtension(msg, reader, $extobj$,\n" - " $class$.prototype.getExtension,\n" - " $class$.prototype.setExtension);\n" - " break;\n", - "extobj", JSExtensionsObjectName(options, desc->file(), desc), - "class", GetPath(options, desc)); - } else { - printer->Print( - " reader.skipField();\n" - " break;\n"); - } - - printer->Print( - " }\n" - " }\n" - " return msg;\n" - "};\n" - "\n" - "\n"); -} - -void Generator::GenerateClassDeserializeBinaryField( - const GeneratorOptions& options, - io::Printer* printer, - const FieldDescriptor* field) const { - - printer->Print(" case $num$:\n", - "num", SimpleItoa(field->number())); - - if (field->is_map()) { - printer->Print( - " var value = msg.get$name$();\n" - " reader.readMessage(value, jspb.Map.deserializeBinary);\n", - "name", JSGetterName(options, field)); - } else { - if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { - printer->Print( - " var value = new $fieldclass$;\n" - " reader.read$msgOrGroup$($grpfield$value," - "$fieldclass$.deserializeBinaryFromReader);\n", - "fieldclass", SubmessageTypeRef(options, field), - "msgOrGroup", (field->type() == FieldDescriptor::TYPE_GROUP) ? - "Group" : "Message", - "grpfield", (field->type() == FieldDescriptor::TYPE_GROUP) ? - (SimpleItoa(field->number()) + ", ") : ""); - } else { - printer->Print( - " var value = /** @type {$fieldtype$} */ " - "(reader.read$reader$());\n", - "fieldtype", JSFieldTypeAnnotation(options, field, false, true, - /* singular_if_not_packed */ true, - BYTES_U8), - "reader", - JSBinaryReadWriteMethodName(field, /* is_writer = */ false)); - } - - if (field->is_repeated() && !field->is_packed()) { - // Repeated fields receive a |value| one at at a time; append to array - // returned by get$name$(). Annoyingly, we have to call 'set' after - // changing the array. - printer->Print(" msg.get$name$().push(value);\n", "name", - JSGetterName(options, field)); - printer->Print(" msg.set$name$(msg.get$name$());\n", "name", - JSGetterName(options, field)); - } else { - // Singular fields, and packed repeated fields, receive a |value| either - // as the field's value or as the array of all the field's values; set - // this as the field's value directly. - printer->Print( - " msg.set$name$(value);\n", - "name", JSGetterName(options, field)); - } - } - - printer->Print(" break;\n"); -} - -void Generator::GenerateClassSerializeBinary(const GeneratorOptions& options, - io::Printer* printer, - const Descriptor* desc) const { - printer->Print( - "/**\n" - " * Class method variant: serializes the given message to binary data\n" - " * (in protobuf wire format), writing to the given BinaryWriter.\n" - " * @param {!$class$} message\n" - " * @param {!jspb.BinaryWriter} writer\n" - " */\n" - "$class$.serializeBinaryToWriter = function(message, " - "writer) {\n" - " message.serializeBinaryToWriter(writer);\n" - "};\n" - "\n" - "\n" - "/**\n" - " * Serializes the message to binary data (in protobuf wire format).\n" - " * @return {!Uint8Array}\n" - " */\n" - "$class$.prototype.serializeBinary = function() {\n" - " var writer = new jspb.BinaryWriter();\n" - " this.serializeBinaryToWriter(writer);\n" - " return writer.getResultBuffer();\n" - "};\n" - "\n" - "\n" - "/**\n" - " * Serializes the message to binary data (in protobuf wire format),\n" - " * writing to the given BinaryWriter.\n" - " * @param {!jspb.BinaryWriter} writer\n" - " */\n" - "$class$.prototype.serializeBinaryToWriter = function (writer) {\n" - " var f = undefined;\n", - "class", GetPath(options, desc)); - - for (int i = 0; i < desc->field_count(); i++) { - GenerateClassSerializeBinaryField(options, printer, desc->field(i)); - } - - if (IsExtendable(desc)) { - printer->Print( - " jspb.Message.serializeBinaryExtensions(this, writer, $extobj$,\n" - " $class$.prototype.getExtension);\n", - "extobj", JSExtensionsObjectName(options, desc->file(), desc), - "class", GetPath(options, desc)); - } - - printer->Print( - "};\n" - "\n" - "\n"); -} - -void Generator::GenerateClassSerializeBinaryField( - const GeneratorOptions& options, - io::Printer* printer, - const FieldDescriptor* field) const { - printer->Print( - " f = this.get$name$($nolazy$);\n", - "name", JSGetterName(options, field, BYTES_U8), - // No lazy creation for maps containers -- fastpath the empty case. - "nolazy", (field->is_map()) ? "true" : ""); - - - // Print an `if (condition)` statement that evaluates to true if the field - // goes on the wire. - if (field->is_map()) { - printer->Print( - " if (f && f.getLength() > 0) {\n"); - } else if (field->is_repeated()) { - printer->Print( - " if (f.length > 0) {\n"); - } else { - if (HasFieldPresence(field)) { - printer->Print( - " if (f != null) {\n"); - } else { - // No field presence: serialize onto the wire only if value is - // non-default. Defaults are documented here: - // https://goto.google.com/lhdfm - switch (field->cpp_type()) { - case FieldDescriptor::CPPTYPE_INT32: - case FieldDescriptor::CPPTYPE_INT64: - case FieldDescriptor::CPPTYPE_UINT32: - case FieldDescriptor::CPPTYPE_UINT64: { - { - printer->Print(" if (f !== 0) {\n"); - } - break; - } - - case FieldDescriptor::CPPTYPE_ENUM: - case FieldDescriptor::CPPTYPE_FLOAT: - case FieldDescriptor::CPPTYPE_DOUBLE: - printer->Print( - " if (f !== 0.0) {\n"); - break; - case FieldDescriptor::CPPTYPE_BOOL: - printer->Print( - " if (f) {\n"); - break; - case FieldDescriptor::CPPTYPE_STRING: - printer->Print( - " if (f.length > 0) {\n"); - break; - default: - assert(false); - break; - } - } - } - - // Write the field on the wire. - if (field->is_map()) { - printer->Print( - " f.serializeBinary($index$, writer);\n", - "index", SimpleItoa(field->number())); - } else { - printer->Print( - " writer.write$method$(\n" - " $index$,\n" - " f", - "method", JSBinaryReadWriteMethodName(field, /* is_writer = */ true), - "index", SimpleItoa(field->number())); - - if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE && - !(field->is_map())) { - printer->Print( - ",\n" - " $submsg$.serializeBinaryToWriter\n", - "submsg", SubmessageTypeRef(options, field)); - } else { - printer->Print("\n"); - } - - printer->Print( - " );\n"); - } - - // Close the `if`. - printer->Print( - " }\n"); -} - -void Generator::GenerateEnum(const GeneratorOptions& options, - io::Printer* printer, - const EnumDescriptor* enumdesc) const { - printer->Print( - "/**\n" - " * @enum {number}\n" - " */\n" - "$name$ = {\n", - "name", GetPath(options, enumdesc)); - - for (int i = 0; i < enumdesc->value_count(); i++) { - const EnumValueDescriptor* value = enumdesc->value(i); - printer->Print( - " $name$: $value$$comma$\n", - "name", ToEnumCase(value->name()), - "value", SimpleItoa(value->number()), - "comma", (i == enumdesc->value_count() - 1) ? "" : ","); - } - - printer->Print( - "};\n" - "\n"); -} - -void Generator::GenerateExtension(const GeneratorOptions& options, - io::Printer* printer, - const FieldDescriptor* field) const { - string extension_scope = - (field->extension_scope() ? - GetPath(options, field->extension_scope()) : - GetPath(options, field->file())); - - printer->Print( - "\n" - "/**\n" - " * A tuple of {field number, class constructor} for the extension\n" - " * field named `$name$`.\n" - " * @type {!jspb.ExtensionFieldInfo.<$extensionType$>}\n" - " */\n" - "$class$.$name$ = new jspb.ExtensionFieldInfo(\n", - "name", JSObjectFieldName(options, field), - "class", extension_scope, - "extensionType", JSFieldTypeAnnotation( - options, field, - /* force_optional = */ false, - /* force_present = */ true, - /* singular_if_not_packed = */ false)); - printer->Print( - " $index$,\n" - " {$name$: 0},\n" - " $ctor$,\n" - " /** @type {?function((boolean|undefined),!jspb.Message=): " - "!Object} */ (\n" - " $toObject$),\n" - " $repeated$", - "index", SimpleItoa(field->number()), - "name", JSObjectFieldName(options, field), - "ctor", (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE ? - SubmessageTypeRef(options, field) : string("null")), - "toObject", (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE ? - (SubmessageTypeRef(options, field) + ".toObject") : - string("null")), - "repeated", (field->is_repeated() ? "1" : "0")); - - if (options.binary) { - printer->Print( - ",\n" - " $binaryReaderFn$,\n" - " $binaryWriterFn$,\n" - " $binaryMessageSerializeFn$,\n" - " $binaryMessageDeserializeFn$,\n" - " $isPacked$);\n", - "binaryReaderFn", JSBinaryReaderMethodName(options, field), - "binaryWriterFn", JSBinaryWriterMethodName(options, field), - "binaryMessageSerializeFn", - (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) ? - (SubmessageTypeRef(options, field) + - ".serializeBinaryToWriter") : "null", - "binaryMessageDeserializeFn", - (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) ? - (SubmessageTypeRef(options, field) + - ".deserializeBinaryFromReader") : "null", - "isPacked", (field->is_packed() ? "true" : "false")); - } else { - printer->Print(");\n"); - } - - printer->Print( - "// This registers the extension field with the extended class, so that\n" - "// toObject() will function correctly.\n" - "$extendName$[$index$] = $class$.$name$;\n" - "\n", - "extendName", JSExtensionsObjectName(options, field->file(), - field->containing_type()), - "index", SimpleItoa(field->number()), - "class", extension_scope, - "name", JSObjectFieldName(options, field)); -} - -bool GeneratorOptions::ParseFromOptions( - const vector< pair< string, string > >& options, - string* error) { - for (int i = 0; i < options.size(); i++) { - if (options[i].first == "add_require_for_enums") { - if (options[i].second != "") { - *error = "Unexpected option value for add_require_for_enums"; - return false; - } - add_require_for_enums = true; - } else if (options[i].first == "binary") { - if (options[i].second != "") { - *error = "Unexpected option value for binary"; - return false; - } - binary = true; - } else if (options[i].first == "testonly") { - if (options[i].second != "") { - *error = "Unexpected option value for testonly"; - return false; - } - testonly = true; - } else if (options[i].first == "error_on_name_conflict") { - if (options[i].second != "") { - *error = "Unexpected option value for error_on_name_conflict"; - return false; - } - error_on_name_conflict = true; - } else if (options[i].first == "output_dir") { - output_dir = options[i].second; - } else if (options[i].first == "namespace_prefix") { - namespace_prefix = options[i].second; - } else if (options[i].first == "library") { - library = options[i].second; - } else if (options[i].first == "import_style") { - if (options[i].second == "closure") { - import_style = IMPORT_CLOSURE; - } else if (options[i].second == "commonjs") { - import_style = IMPORT_COMMONJS; - } else if (options[i].second == "browser") { - import_style = IMPORT_BROWSER; - } else if (options[i].second == "es6") { - import_style = IMPORT_ES6; - } else { - *error = "Unknown import style " + options[i].second + ", expected " + - "one of: closure, commonjs, browser, es6."; - } - } else { - // Assume any other option is an output directory, as long as it is a bare - // `key` rather than a `key=value` option. - if (options[i].second != "") { - *error = "Unknown option: " + options[i].first; - return false; - } - output_dir = options[i].first; - } - } - - if (!library.empty() && import_style != IMPORT_CLOSURE) { - *error = "The library option should only be used for " - "import_style=closure"; - } - - return true; -} - -void Generator::GenerateFilesInDepOrder( - const GeneratorOptions& options, - io::Printer* printer, - const vector<const FileDescriptor*>& files) const { - // Build a std::set over all files so that the DFS can detect when it recurses - // into a dep not specified in the user's command line. - std::set<const FileDescriptor*> all_files(files.begin(), files.end()); - // Track the in-progress set of files that have been generated already. - std::set<const FileDescriptor*> generated; - for (int i = 0; i < files.size(); i++) { - GenerateFileAndDeps(options, printer, files[i], &all_files, &generated); - } -} - -void Generator::GenerateFileAndDeps( - const GeneratorOptions& options, - io::Printer* printer, - const FileDescriptor* root, - std::set<const FileDescriptor*>* all_files, - std::set<const FileDescriptor*>* generated) const { - // Skip if already generated. - if (generated->find(root) != generated->end()) { - return; - } - generated->insert(root); - - // Generate all dependencies before this file's content. - for (int i = 0; i < root->dependency_count(); i++) { - const FileDescriptor* dep = root->dependency(i); - GenerateFileAndDeps(options, printer, dep, all_files, generated); - } - - // Generate this file's content. Only generate if the file is part of the - // original set requested to be generated; i.e., don't take all transitive - // deps down to the roots. - if (all_files->find(root) != all_files->end()) { - GenerateClassesAndEnums(options, printer, root); - } -} - -void Generator::GenerateFile(const GeneratorOptions& options, - io::Printer* printer, - const FileDescriptor* file) const { - GenerateHeader(options, printer); - - // Generate "require" statements. - if (options.import_style == GeneratorOptions::IMPORT_COMMONJS) { - printer->Print("var jspb = require('google-protobuf');\n"); - printer->Print("var goog = jspb;\n"); - printer->Print("var global = Function('return this')();\n\n"); - - for (int i = 0; i < file->dependency_count(); i++) { - const string& name = file->dependency(i)->name(); - printer->Print( - "var $alias$ = require('$file$');\n", - "alias", ModuleAlias(name), - "file", GetRootPath(file->name(), name) + GetJSFilename(name)); - } - } - - // We aren't using Closure's import system, but we use goog.exportSymbol() - // to construct the expected tree of objects, eg. - // - // goog.exportSymbol('foo.bar.Baz', null, this); - // - // // Later generated code expects foo.bar = {} to exist: - // foo.bar.Baz = function() { /* ... */ } - set<string> provided; - - // Cover the case where this file declares extensions but no messages. - // This will ensure that the file-level object will be declared to hold - // the extensions. - for (int i = 0; i < file->extension_count(); i++) { - provided.insert(file->extension(i)->full_name()); - } - - FindProvidesForFile(options, printer, file, &provided); - for (std::set<string>::iterator it = provided.begin(); - it != provided.end(); ++it) { - printer->Print("goog.exportSymbol('$name$', null, global);\n", - "name", *it); - } - - GenerateClassesAndEnums(options, printer, file); - - // Extensions nested inside messages are emitted inside - // GenerateClassesAndEnums(). - for (int i = 0; i < file->extension_count(); i++) { - GenerateExtension(options, printer, file->extension(i)); - } - - if (options.import_style == GeneratorOptions::IMPORT_COMMONJS) { - printer->Print("goog.object.extend(exports, $package$);\n", - "package", GetPath(options, file)); - } -} - -bool Generator::GenerateAll(const vector<const FileDescriptor*>& files, - const string& parameter, - GeneratorContext* context, - string* error) const { - vector< pair< string, string > > option_pairs; - ParseGeneratorParameter(parameter, &option_pairs); - GeneratorOptions options; - if (!options.ParseFromOptions(option_pairs, error)) { - return false; - } - - - // There are three schemes for where output files go: - // - // - import_style = IMPORT_CLOSURE, library non-empty: all output in one file - // - import_style = IMPORT_CLOSURE, library empty: one output file per type - // - import_style != IMPORT_CLOSURE: one output file per .proto file - if (options.import_style == GeneratorOptions::IMPORT_CLOSURE && - options.library != "") { - // All output should go in a single file. - string filename = options.output_dir + "/" + options.library + ".js"; - google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> output(context->Open(filename)); - GOOGLE_CHECK(output.get()); - io::Printer printer(output.get(), '$'); - - // Pull out all extensions -- we need these to generate all - // provides/requires. - vector<const FieldDescriptor*> extensions; - for (int i = 0; i < files.size(); i++) { - for (int j = 0; j < files[i]->extension_count(); j++) { - const FieldDescriptor* extension = files[i]->extension(j); - extensions.push_back(extension); - } - } - - GenerateHeader(options, &printer); - - std::set<string> provided; - FindProvides(options, &printer, files, &provided); - FindProvidesForFields(options, &printer, extensions, &provided); - GenerateProvides(options, &printer, &provided); - GenerateTestOnly(options, &printer); - GenerateRequiresForLibrary(options, &printer, files, &provided); - - GenerateFilesInDepOrder(options, &printer, files); - - for (int i = 0; i < extensions.size(); i++) { - if (ShouldGenerateExtension(extensions[i])) { - GenerateExtension(options, &printer, extensions[i]); - } - } - - if (printer.failed()) { - return false; - } - } else if (options.import_style == GeneratorOptions::IMPORT_CLOSURE) { - set<const void*> allowed_set; - if (!GenerateJspbAllowedSet(options, files, &allowed_set, error)) { - return false; - } - - for (int i = 0; i < files.size(); i++) { - const FileDescriptor* file = files[i]; - for (int j = 0; j < file->message_type_count(); j++) { - const Descriptor* desc = file->message_type(j); - if (allowed_set.count(desc) == 0) { - continue; - } - - string filename = GetMessageFileName(options, desc); - google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> output( - context->Open(filename)); - GOOGLE_CHECK(output.get()); - io::Printer printer(output.get(), '$'); - - GenerateHeader(options, &printer); - - std::set<string> provided; - FindProvidesForMessage(options, &printer, desc, &provided); - GenerateProvides(options, &printer, &provided); - GenerateTestOnly(options, &printer); - GenerateRequiresForMessage(options, &printer, desc, &provided); - - GenerateClass(options, &printer, desc); - - if (printer.failed()) { - return false; - } - } - for (int j = 0; j < file->enum_type_count(); j++) { - const EnumDescriptor* enumdesc = file->enum_type(j); - if (allowed_set.count(enumdesc) == 0) { - continue; - } - - string filename = GetEnumFileName(options, enumdesc); - google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> output( - context->Open(filename)); - GOOGLE_CHECK(output.get()); - io::Printer printer(output.get(), '$'); - - GenerateHeader(options, &printer); - - std::set<string> provided; - FindProvidesForEnum(options, &printer, enumdesc, &provided); - GenerateProvides(options, &printer, &provided); - GenerateTestOnly(options, &printer); - - GenerateEnum(options, &printer, enumdesc); - - if (printer.failed()) { - return false; - } - } - // File-level extensions (message-level extensions are generated under - // the enclosing message). - if (allowed_set.count(file) == 1) { - string filename = GetExtensionFileName(options, file); - - google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> output( - context->Open(filename)); - GOOGLE_CHECK(output.get()); - io::Printer printer(output.get(), '$'); - - GenerateHeader(options, &printer); - - std::set<string> provided; - vector<const FieldDescriptor*> fields; - - for (int j = 0; j < files[i]->extension_count(); j++) { - if (ShouldGenerateExtension(files[i]->extension(j))) { - fields.push_back(files[i]->extension(j)); - } - } - - FindProvidesForFields(options, &printer, fields, &provided); - GenerateProvides(options, &printer, &provided); - GenerateTestOnly(options, &printer); - GenerateRequiresForExtensions(options, &printer, fields, &provided); - - for (int j = 0; j < files[i]->extension_count(); j++) { - if (ShouldGenerateExtension(files[i]->extension(j))) { - GenerateExtension(options, &printer, files[i]->extension(j)); - } - } - } - } - } else { - // Generate one output file per input (.proto) file. - - for (int i = 0; i < files.size(); i++) { - const google::protobuf::FileDescriptor* file = files[i]; - - string filename = options.output_dir + "/" + GetJSFilename(file->name()); - google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> output(context->Open(filename)); - GOOGLE_CHECK(output.get()); - io::Printer printer(output.get(), '$'); - - GenerateFile(options, &printer, file); - - if (printer.failed()) { - return false; - } - } - } - - return true; -} - -} // namespace js -} // namespace compiler -} // namespace protobuf -} // namespace google |