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Add PICOJSON_NO_EXCEPTIONS define to optionally remove throw-catch #99

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Add PICOJSON_NO_EXCEPTIONS define to optionally remove throw-catch #99

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511a30e
Added PICOJSON_NO_EXCEPTIONS define to optionally remove throw-catch …
crashmatt Apr 18, 2017
4138b25
Fixed typo
crashmatt Apr 18, 2017
d159859
Removed pragma that may be causing travis build problem
crashmatt Apr 19, 2017
c2693c8
Fixed missing build step for test
crashmatt Apr 19, 2017
38ccbcc
Really fix missing build step by committing the Makefile
crashmatt Apr 19, 2017
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -2,3 +2,4 @@
a.out
test-core
test-core-int64
test-no-except
8 changes: 6 additions & 2 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -3,18 +3,22 @@ includedir=$(prefix)/include

check: test

test: test-core test-core-int64
test: test-core test-core-int64 test-no-except
./test-core
./test-core-int64
./test-no-except

test-core: picojson.h test.cc picotest/picotest.c picotest/picotest.h
$(CXX) -Wall test.cc picotest/picotest.c -o $@

test-core-int64: picojson.h test.cc picotest/picotest.c picotest/picotest.h
$(CXX) -Wall -DPICOJSON_USE_INT64 test.cc picotest/picotest.c -o $@

test-no-except: picojson.h test.cc picotest/picotest.c picotest/picotest.h
$(CXX) -Wall -DPICOJSON_NO_EXCEPTIONS test.cc picotest/picotest.c -o $@

clean:
rm -f test-core test-core-int64
rm -f test-core test-core-int64 test-no-except

install:
install -d $(DESTDIR)$(includedir)
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39 changes: 37 additions & 2 deletions picojson.h
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,9 @@
#include <iterator>
#include <limits>
#include <map>
#if (!defined(PICOJSON_NO_EXCEPTIONS))
#include <stdexcept>
#endif // PICOJSON_NO_EXCEPTIONS)
#include <string>
#include <vector>
#include <utility>
Expand Down Expand Up @@ -83,12 +85,18 @@ extern "C" {
#endif

#ifndef PICOJSON_ASSERT
#if (!defined(PICOJSON_NO_EXCEPTIONS))
#define PICOJSON_ASSERT(e) \
do { \
if (!(e)) \
throw std::runtime_error(#e); \
} while (0)
#endif
#else
#define PICOJSON_ASSERT(e) \
if (!e) \
std::cerr << "picosjon runtime error\n";
#endif // PICOJSON_NO_EXCEPTIONS
#endif // PICOJSON_ASSERT

#ifdef _MSC_VER
#define SNPRINTF _snprintf_s
Expand Down Expand Up @@ -159,11 +167,20 @@ class value {
~value();
value(const value &x);
value &operator=(const value &x);

#if PICOJSON_USE_RVALUE_REFERENCE
#if (!defined(PICOJSON_NO_EXCEPTIONS))
value(value &&x) throw();
value &operator=(value &&x) throw();
#else
value(value &&x) value &operator=(value &&x)

@bitc bitc Jan 21, 2018

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This line needs to be fixed to:

  value(value &&x);
  value &operator=(value &&x);

#endif // PICOJSON_NO_EXCEPTIONS)
#endif
#if (!defined(PICOJSON_NO_EXCEPTIONS))
void swap(value &x) throw();
#else
void swap(value &x);
#endif // PICOJSON_NO_EXCEPTIONS)
template <typename T> bool is() const;
template <typename T> const T &get() const;
template <typename T> T &get();
Expand Down Expand Up @@ -237,7 +254,9 @@ inline value::value(double n) : type_(number_type), u_() {
isnan(n) || isinf(n)
#endif
) {
#if !defined(PICOJSON_NO_EXCEPTIONS)
throw std::overflow_error("");
#endif // PICOJSON_NO_EXCEPTIONS)
}
u_.number_ = n;
}
Expand Down Expand Up @@ -318,7 +337,7 @@ inline value &value::operator=(const value &x) {
}
return *this;
}

#if (!defined(PICOJSON_NO_EXCEPTIONS))
#if PICOJSON_USE_RVALUE_REFERENCE
inline value::value(value &&x) throw() : type_(null_type), u_() {
swap(x);
Expand All @@ -332,6 +351,22 @@ inline void value::swap(value &x) throw() {
std::swap(type_, x.type_);
std::swap(u_, x.u_);
}
#else // PICOJSON_NO_EXCEPTIONS
#if PICOJSON_USE_RVALUE_REFERENCE
inline value::value(value &&x) : type_(null_type), u_() {
swap(x);
}
inline value &value::operator=(value &&x) {
swap(x);
return *this;
}
#endif
inline void value::swap(value &x) {
std::swap(type_, x.type_);
std::swap(u_, x.u_);
}

#endif // PICOJSON_NO_EXCEPTIONS

#define IS(ctype, jtype) \
template <> inline bool value::is<ctype>() const { \
Expand Down
2 changes: 2 additions & 0 deletions test.cc
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Expand Up @@ -265,6 +265,7 @@ int main(void)
_ok(v.serialize(true) == "{\n \"a\": 1,\n \"b\": [\n 2,\n {\n \"b1\": \"abc\"\n }\n ],\n \"c\": {},\n \"d\": []\n}\n", "prettifying output");
}

#if !defined(PICOJSON_NO_EXCEPTIONS)
try {
picojson::value v(std::numeric_limits<double>::quiet_NaN());
_ok(false, "should not accept NaN");
Expand All @@ -287,6 +288,7 @@ int main(void)
} catch (std::runtime_error e) {
_ok(true, "get<wrong_type>() should raise an error");
}
#endif

#ifdef PICOJSON_USE_INT64
{
Expand Down