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Add basic Kotlin support (#5409)

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* [Kotlin] Add kotlin generate code for tests and add
kotlin test to TestAll.sh

* [Kotlin] Add Kotlin generator

This change adds support for generating Kotlin classes.

The approach of this generator is to keep it as close
as possible to the java generator for now, in order
to keep the change simple.

It uses the already implemented java runtime,
so we don't support cross-platform nor js Kotlin yet.

Kotlin tests are just a copy of the java tests.

* Add optional ident support for CodeWriter

Identation is important for some languages and
different projects have different ways of ident
code, e.g. tabs vs spaces, so we are adding optional
support on CodeWriter for identation.

* [Kotlin] Add Documentation for Kotlin

* [Kotlin] Modify generated code to use experimental Unsigned types.
This commit is contained in:
Paulo Pinheiro
2019-07-22 20:05:15 -03:00
committed by Wouter van Oortmerssen
parent a752d1b88c
commit de9aa0cdee
54 changed files with 4995 additions and 64 deletions
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21
src/idl_parser.cpp
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@@ -29,7 +29,7 @@ namespace flatbuffers {
// Reflects the version at the compiling time of binary(lib/dll/so).
const char *FLATBUFFERS_VERSION() {
// clang-format off
return
return
FLATBUFFERS_STRING(FLATBUFFERS_VERSION_MAJOR) "."
FLATBUFFERS_STRING(FLATBUFFERS_VERSION_MINOR) "."
FLATBUFFERS_STRING(FLATBUFFERS_VERSION_REVISION);
@@ -41,7 +41,7 @@ const double kPi = 3.14159265358979323846;
const char *const kTypeNames[] = {
// clang-format off
#define FLATBUFFERS_TD(ENUM, IDLTYPE, \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE) \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE, KTYPE) \
IDLTYPE,
FLATBUFFERS_GEN_TYPES(FLATBUFFERS_TD)
#undef FLATBUFFERS_TD
@@ -52,7 +52,7 @@ const char *const kTypeNames[] = {
const char kTypeSizes[] = {
// clang-format off
#define FLATBUFFERS_TD(ENUM, IDLTYPE, \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE) \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE, KTYPE) \
sizeof(CTYPE),
FLATBUFFERS_GEN_TYPES(FLATBUFFERS_TD)
#undef FLATBUFFERS_TD
@@ -212,7 +212,7 @@ static std::string TokenToString(int t) {
FLATBUFFERS_GEN_TOKENS(FLATBUFFERS_TOKEN)
#undef FLATBUFFERS_TOKEN
#define FLATBUFFERS_TD(ENUM, IDLTYPE, \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE) \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE, KTYPE) \
IDLTYPE,
FLATBUFFERS_GEN_TYPES(FLATBUFFERS_TD)
#undef FLATBUFFERS_TD
@@ -1169,7 +1169,7 @@ CheckedError Parser::ParseTable(const StructDef &struct_def, std::string *value,
switch (field_value.type.base_type) {
// clang-format off
#define FLATBUFFERS_TD(ENUM, IDLTYPE, \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE) \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE, KTYPE) \
case BASE_TYPE_ ## ENUM: \
builder_.Pad(field->padding); \
if (struct_def.fixed) { \
@@ -1186,7 +1186,7 @@ CheckedError Parser::ParseTable(const StructDef &struct_def, std::string *value,
FLATBUFFERS_GEN_TYPES_SCALAR(FLATBUFFERS_TD);
#undef FLATBUFFERS_TD
#define FLATBUFFERS_TD(ENUM, IDLTYPE, \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE) \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE, KTYPE) \
case BASE_TYPE_ ## ENUM: \
builder_.Pad(field->padding); \
if (IsStruct(field->value.type)) { \
@@ -1267,7 +1267,7 @@ CheckedError Parser::ParseVector(const Type &type, uoffset_t *ovalue,
switch (val.type.base_type) {
// clang-format off
#define FLATBUFFERS_TD(ENUM, IDLTYPE, \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE) \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE, KTYPE) \
case BASE_TYPE_ ## ENUM: \
if (IsStruct(val.type)) SerializeStruct(*val.type.struct_def, val); \
else { \
@@ -1313,7 +1313,7 @@ CheckedError Parser::ParseArray(Value &array) {
// clang-format off
switch (val.type.base_type) {
#define FLATBUFFERS_TD(ENUM, IDLTYPE, \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE) \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE, KTYPE) \
case BASE_TYPE_ ## ENUM: \
if (IsStruct(val.type)) { \
SerializeStruct(builder, *val.type.struct_def, val); \
@@ -1661,7 +1661,7 @@ CheckedError Parser::ParseSingleValue(const std::string *name, Value &e,
// clang-format off
switch (match_type) {
#define FLATBUFFERS_TD(ENUM, IDLTYPE, \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE) \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE, KTYPE) \
case BASE_TYPE_ ## ENUM: {\
CTYPE val; \
ECHECK(atot(e.constant.c_str(), *this, &val)); \
@@ -1897,7 +1897,7 @@ struct EnumValBuilder {
// clang-format off
switch (enum_def.underlying_type.base_type) {
#define FLATBUFFERS_TD(ENUM, IDLTYPE, CTYPE, JTYPE, GTYPE, NTYPE, \
PTYPE, RTYPE) \
PTYPE, RTYPE, KTYPE) \
case BASE_TYPE_##ENUM: { \
if (!IsInteger(BASE_TYPE_##ENUM)) break; \
return ValidateImpl<BASE_TYPE_##ENUM, CTYPE>(ev, next ? 1 : 0); \
@@ -2091,6 +2091,7 @@ bool Parser::SupportsAdvancedUnionFeatures() const {
(opts.lang_to_generate & ~(IDLOptions::kCpp | IDLOptions::kJs |
IDLOptions::kTs | IDLOptions::kPhp |
IDLOptions::kJava | IDLOptions::kCSharp |
IDLOptions::kKotlin |
IDLOptions::kBinary)) == 0;
}