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explicitly declare enum values (#7811)

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This commit is contained in:
Derek Bailey
2023-02-03 17:33:04 -06:00
committed by GitHub
parent 5785784c8a
commit 02d7859f8b
2 changed files with 25 additions and 22 deletions
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45
include/flatbuffers/idl.h
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@@ -45,26 +45,26 @@ namespace flatbuffers {
// of type tokens.
// clang-format off
#define FLATBUFFERS_GEN_TYPES_SCALAR(TD) \
TD(NONE, "", uint8_t, byte, byte, byte, uint8, u8, UByte, UInt8) \
TD(UTYPE, "", uint8_t, byte, byte, byte, uint8, u8, UByte, UInt8) /* begin scalar/int */ \
TD(BOOL, "bool", uint8_t, boolean,bool, bool, bool, bool, Boolean, Bool) \
TD(CHAR, "byte", int8_t, byte, int8, sbyte, int8, i8, Byte, Int8) \
TD(UCHAR, "ubyte", uint8_t, byte, byte, byte, uint8, u8, UByte, UInt8) \
TD(SHORT, "short", int16_t, short, int16, short, int16, i16, Short, Int16) \
TD(USHORT, "ushort", uint16_t, short, uint16, ushort, uint16, u16, UShort, UInt16) \
TD(INT, "int", int32_t, int, int32, int, int32, i32, Int, Int32) \
TD(UINT, "uint", uint32_t, int, uint32, uint, uint32, u32, UInt, UInt32) \
TD(LONG, "long", int64_t, long, int64, long, int64, i64, Long, Int64) \
TD(ULONG, "ulong", uint64_t, long, uint64, ulong, uint64, u64, ULong, UInt64) /* end int */ \
TD(FLOAT, "float", float, float, float32, float, float32, f32, Float, Float32) /* begin float */ \
TD(DOUBLE, "double", double, double, float64, double, float64, f64, Double, Double) /* end float/scalar */
TD(NONE, "", uint8_t, byte, byte, byte, uint8, u8, UByte, UInt8, 0) \
TD(UTYPE, "", uint8_t, byte, byte, byte, uint8, u8, UByte, UInt8, 1) /* begin scalar/int */ \
TD(BOOL, "bool", uint8_t, boolean,bool, bool, bool, bool, Boolean, Bool, 2) \
TD(CHAR, "byte", int8_t, byte, int8, sbyte, int8, i8, Byte, Int8, 3) \
TD(UCHAR, "ubyte", uint8_t, byte, byte, byte, uint8, u8, UByte, UInt8, 4) \
TD(SHORT, "short", int16_t, short, int16, short, int16, i16, Short, Int16, 5) \
TD(USHORT, "ushort", uint16_t, short, uint16, ushort, uint16, u16, UShort, UInt16, 6) \
TD(INT, "int", int32_t, int, int32, int, int32, i32, Int, Int32, 7) \
TD(UINT, "uint", uint32_t, int, uint32, uint, uint32, u32, UInt, UInt32, 8) \
TD(LONG, "long", int64_t, long, int64, long, int64, i64, Long, Int64, 9) \
TD(ULONG, "ulong", uint64_t, long, uint64, ulong, uint64, u64, ULong, UInt64, 10) /* end int */ \
TD(FLOAT, "float", float, float, float32, float, float32, f32, Float, Float32, 11) /* begin float */ \
TD(DOUBLE, "double", double, double, float64, double, float64, f64, Double, Double, 12) /* end float/scalar */
#define FLATBUFFERS_GEN_TYPES_POINTER(TD) \
TD(STRING, "string", Offset<void>, int, int, StringOffset, int, unused, Int, Offset<String>) \
TD(VECTOR, "", Offset<void>, int, int, VectorOffset, int, unused, Int, Offset<UOffset>) \
TD(STRUCT, "", Offset<void>, int, int, int, int, unused, Int, Offset<UOffset>) \
TD(UNION, "", Offset<void>, int, int, int, int, unused, Int, Offset<UOffset>)
TD(STRING, "string", Offset<void>, int, int, StringOffset, int, unused, Int, Offset<String>, 13) \
TD(VECTOR, "", Offset<void>, int, int, VectorOffset, int, unused, Int, Offset<UOffset>, 14) \
TD(STRUCT, "", Offset<void>, int, int, int, int, unused, Int, Offset<UOffset>, 15) \
TD(UNION, "", Offset<void>, int, int, int, int, unused, Int, Offset<UOffset>, 16)
#define FLATBUFFERS_GEN_TYPE_ARRAY(TD) \
TD(ARRAY, "", int, int, int, int, int, unused, Int, Offset<UOffset>)
TD(ARRAY, "", int, int, int, int, int, unused, Int, Offset<UOffset>, 17)
// The fields are:
// - enum
// - FlatBuffers schema type.
@@ -75,13 +75,15 @@ namespace flatbuffers {
// - Python type.
// - Kotlin type.
// - Rust type.
// - Swift type.
// - enum value (matches the reflected values)
// using these macros, we can now write code dealing with types just once, e.g.
/*
switch (type) {
#define FLATBUFFERS_TD(ENUM, IDLTYPE, CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, \
RTYPE, KTYPE) \
RTYPE, KTYPE, STYPE, ...) \
case BASE_TYPE_ ## ENUM: \
// do something specific to CTYPE here
FLATBUFFERS_GEN_TYPES(FLATBUFFERS_TD)
@@ -113,8 +115,9 @@ switch (type) {
__extension__ // Stop GCC complaining about trailing comma with -Wpendantic.
#endif
enum BaseType {
#define FLATBUFFERS_TD(ENUM, ...) \
BASE_TYPE_ ## ENUM,
#define FLATBUFFERS_TD(ENUM, IDLTYPE, \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE, KTYPE, STYPE, ENUM_VALUE) \
BASE_TYPE_ ## ENUM = ENUM_VALUE,
FLATBUFFERS_GEN_TYPES(FLATBUFFERS_TD)
#undef FLATBUFFERS_TD
};

2
src/idl_gen_swift.cpp
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@@ -1881,7 +1881,7 @@ class SwiftGenerator : public BaseGenerator {
// clang-format off
static const char * const swift_type[] = {
#define FLATBUFFERS_TD(ENUM, IDLTYPE, \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE, KTYPE, STYPE) \
CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE, KTYPE, STYPE, ...) \
#STYPE,
FLATBUFFERS_GEN_TYPES(FLATBUFFERS_TD)
#undef FLATBUFFERS_TD