BigfootDev/flatbuffers
1
0
Fork 1
mirror of https://github.com/google/flatbuffers.git synced 2026-06-06 13:37:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add default NaN/Inf to C#, Java, Python (#5107)

Browse Source 
* Add default NaN/Inf to C#, Java, Python

* Python NaN/Inf test added

* Remove MSVC2010/13 dependent code
This commit is contained in:
Vladimir Glavnyy
2019-01-15 00:23:42 +07:00
committed by Wouter van Oortmerssen
parent 46208b1e91
commit 4fa4d36706
14 changed files with 443 additions and 112 deletions
Download Patch File Download Diff File Expand all files Collapse all files

67
include/flatbuffers/code_generators.h
View File

@@ -136,27 +136,68 @@ class FloatConstantGenerator {
std::string GenFloatConstant(const FieldDef &field) const;
private:
virtual std::string Value(double v, const std::string &src) const = 0;
virtual std::string Inf(double v) const = 0;
virtual std::string NaN(double v) const = 0;
virtual std::string Value(double v, const std::string &src) const {
(void)v;
return src;
}
virtual std::string Inf(float v) const {
return this->Inf(static_cast<double>(v));
}
virtual std::string NaN(float v) const {
return this->NaN(static_cast<double>(v));
}
virtual std::string Value(float v, const std::string &src) const {
return this->Value(static_cast<double>(v), src);
}
virtual std::string Value(float v, const std::string &src) const = 0;
virtual std::string Inf(float v) const = 0;
virtual std::string NaN(float v) const = 0;
template<typename T>
std::string GenFloatConstantImpl(const FieldDef &field) const;
};
class SimpleFloatConstantGenerator : public FloatConstantGenerator {
public:
SimpleFloatConstantGenerator(const char *nan_number,
const char *pos_inf_number,
const char *neg_inf_number);
private:
std::string Value(double v,
const std::string &src) const FLATBUFFERS_OVERRIDE;
std::string Inf(double v) const FLATBUFFERS_OVERRIDE;
std::string NaN(double v) const FLATBUFFERS_OVERRIDE;
std::string Value(float v, const std::string &src) const FLATBUFFERS_OVERRIDE;
std::string Inf(float v) const FLATBUFFERS_OVERRIDE;
std::string NaN(float v) const FLATBUFFERS_OVERRIDE;
const std::string nan_number_;
const std::string pos_inf_number_;
const std::string neg_inf_number_;
};
// C++, C#, Java like generator.
class TypedFloatConstantGenerator : public FloatConstantGenerator {
public:
TypedFloatConstantGenerator(const char *double_prefix,
const char *single_prefix, const char *nan_number,
const char *pos_inf_number,
const char *neg_inf_number = "");
private:
std::string Value(double v,
const std::string &src) const FLATBUFFERS_OVERRIDE;
std::string Inf(double v) const FLATBUFFERS_OVERRIDE;
std::string NaN(double v) const FLATBUFFERS_OVERRIDE;
std::string Value(float v, const std::string &src) const FLATBUFFERS_OVERRIDE;
std::string Inf(float v) const FLATBUFFERS_OVERRIDE;
std::string NaN(float v) const FLATBUFFERS_OVERRIDE;
std::string MakeNaN(const std::string &prefix) const;
std::string MakeInf(bool neg, const std::string &prefix) const;
const std::string double_prefix_;
const std::string single_prefix_;
const std::string nan_number_;
const std::string pos_inf_number_;
const std::string neg_inf_number_;
};
} // namespace flatbuffers
#endif // FLATBUFFERS_CODE_GENERATORS_H_