Using in conjunction with Qt #120
Description
If I #include a Qt header (specifically, the one I tried was <QFileDialog>) before including ryml.hpp, I get a compilation error:
(test.cpp - an otherwise empty file):
#include <QFileDialog>
#include <ryml.hpp>
gives me on Linux (Qt 5.15.2 with gcc 8.1):
In file included from rapidyaml/src/./c4/yml/yml.hpp:6,
from rapidyaml/src/ryml.hpp:4,
from _TestPropertiesWidget.cpp:19:
rapidyaml/src/./c4/yml/./emit.hpp:63:27: error: expected ‘)’ before ‘type’
substr emit(EmitType_e type, Tree const& t, size_t id, bool error_on_excess);
~ ^~~~~
)
rapidyaml/src/./c4/yml/./emit.hpp:65:27: error: expected ‘)’ before ‘type’
substr emit(EmitType_e type, Tree const& t, bool error_on_excess=true) { return emit(type, t, t.root_id(), error_on_excess); }
~ ^~~~~
)
In file included from rapidyaml/src/./c4/yml/yml.hpp:6,
from rapidyaml/src/ryml.hpp:4,
from _TestPropertiesWidget.cpp:19:
rapidyaml/src/./c4/yml/./emit.hpp:67:27: error: expected ‘)’ before ‘type’
substr emit(EmitType_e type, NodeRef const& n, bool error_on_excess=true) { return emit(type, *n.tree(), n.id(), error_on_excess); }
~ ^~~~~
)
rapidyaml/src/./c4/yml/./emit.hpp:109:24: error: expected ‘)’ before ‘const’
inline size_t emit(Tree const& t, size_t id, FILE *f)
~ ^~~~~~
)
rapidyaml/src/./c4/yml/./emit.hpp: In function ‘size_t c4::yml::emit_json(const c4::yml::Tree&, size_t, FILE*)’:
rapidyaml/src/./c4/yml/./emit.hpp:120:25: error: expected unqualified-id before ‘(’ token
size_t len = em.emit(JSON, t, id, /*error_on_excess*/true).len;
^
rapidyaml/src/./c4/yml/./emit.hpp: At global scope:
rapidyaml/src/./c4/yml/./emit.hpp:127:24: error: expected ‘)’ before ‘const’
inline size_t emit(Tree const& t, FILE *f=nullptr)
~ ^~~~~~
)
rapidyaml/src/./c4/yml/./emit.hpp:142:27: error: expected ‘)’ before ‘const’
inline size_t emit(NodeRef const& r, FILE *f=nullptr)
~ ^~~~~~
)
rapidyaml/src/./c4/yml/./emit.hpp: In function ‘OStream& c4::yml::operator<<(OStream&, const c4::yml::Tree&)’:
rapidyaml/src/./c4/yml/./emit.hpp:162:12: error: expected unqualified-id before ‘(’ token
em.emit(YAML, t.rootref());
^
rapidyaml/src/./c4/yml/./emit.hpp: In function ‘OStream& c4::yml::operator<<(OStream&, const c4::yml::NodeRef&)’:
rapidyaml/src/./c4/yml/./emit.hpp:172:12: error: expected unqualified-id before ‘(’ token
em.emit(YAML, n);
^
rapidyaml/src/./c4/yml/./emit.hpp: In function ‘OStream& c4::yml::operator<<(OStream&, const c4::yml::as_json&)’:
rapidyaml/src/./c4/yml/./emit.hpp:181:12: error: expected unqualified-id before ‘(’ token
em.emit(JSON, *js.tree, js.node);
^
rapidyaml/src/./c4/yml/./emit.hpp: At global scope:
rapidyaml/src/./c4/yml/./emit.hpp:191:24: error: expected ‘)’ before ‘const’
inline substr emit(Tree const& t, size_t id, substr buf, bool error_on_excess=true)
~ ^~~~~~
)
rapidyaml/src/./c4/yml/./emit.hpp: In function ‘c4::substr c4::yml::emit_json(const c4::yml::Tree&, size_t, c4::substr, bool)’:
rapidyaml/src/./c4/yml/./emit.hpp:203:28: error: expected unqualified-id before ‘(’ token
substr result = em.emit(JSON, t, id, error_on_excess);
^
rapidyaml/src/./c4/yml/./emit.hpp: At global scope:
rapidyaml/src/./c4/yml/./emit.hpp:210:24: error: expected ‘)’ before ‘const’
inline substr emit(Tree const& t, substr buf, bool error_on_excess=true)
~ ^~~~~~
)
rapidyaml/src/./c4/yml/./emit.hpp:226:27: error: expected ‘)’ before ‘const’
inline substr emit(NodeRef const& r, substr buf, bool error_on_excess=true)
~ ^~~~~~
)
In file included from rapidyaml/src/./c4/yml/./emit.hpp:363,
from rapidyaml/src/./c4/yml/yml.hpp:6,
from rapidyaml/src/ryml.hpp:4,
from _TestPropertiesWidget.cpp:19:
rapidyaml/src/./c4/yml/././emit.def.hpp:13:29: error: expected unqualified-id before ‘(’ token
substr Emitter<Writer>::emit(EmitType_e type, Tree const& t, size_t id, bool error_on_excess)
^
and on Windows (with the same version of Qt and VS2019):
emit.hpp(63,28): error C2146: syntax error: missing ')' before identifier 'type'
emit.hpp(100): message : see reference to class template instantiation 'c4::yml::Emitter<Writer>' being compiled
emit.hpp(63,1): error C3646: 'type': unknown override specifier
emit.hpp(63,39): error C2143: syntax error: missing ';' before 'const'
emit.hpp(63,1): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
emit.hpp(63,1): error C3646: 'id': unknown override specifier
emit.hpp(63,60): error C2062: type 'bool' unexpected
emit.hpp(65,28): error C2146: syntax error: missing ')' before identifier 'type'
emit.hpp(65,1): error C3646: 'type': unknown override specifier
emit.hpp(65,17): error C2086: 'c4::substr c4::yml::Emitter<Writer>::EmitType_e': redefinition
emit.hpp(63): message : see declaration of 'c4::yml::Emitter<Writer>::EmitType_e'
emit.hpp(65,39): error C2143: syntax error: missing ';' before 'const'
emit.hpp(65,34): error C2086: 'c4::substr c4::yml::Emitter<Writer>::Tree': redefinition
emit.hpp(63): message : see declaration of 'c4::yml::Emitter<Writer>::Tree'
emit.hpp(65,1): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
emit.hpp(65,46): error C2086: 'const int &c4::yml::Emitter<Writer>::t': redefinition
emit.hpp(63): message : see declaration of 'c4::yml::Emitter<Writer>::t'
...and many more in a similar vein. If I simply swap around the order of the two includes, putting ryml.hpp first, then everything works fine, on both platforms.