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Rename emit() in the view builder for Qt compatibility

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Qt defines emit as an empty macro, so a Qt header included before
json_view.hpp broke the declaration of the builder's emit(), see
issue #5865. It is now called push_node().

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann committed 2026-10-20 08:48:37 +02:00
1 parent a0c84da14d
commit 90b0752e13
2 files changed
+14 -14
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include/nlohmann/detail/view/builder.hpp
+7 -7
View File
@@ -829,7 +829,7 @@ indent_done:
/// append a node: (kind, flags, extra, off) and the second word (len, or /// append a node: (kind, flags, extra, off) and the second word (len, or
/// an integer's value); two stores on little-endian targets /// an integer's value); two stores on little-endian targets
NLOHMANN_VIEW_ALWAYS_INLINE node* emit(value_t k, std::uint8_t flags, std::uint16_t extra, std::size_t off, std::uint64_t second) NLOHMANN_VIEW_ALWAYS_INLINE node* push_node(value_t k, std::uint8_t flags, std::uint16_t extra, std::size_t off, std::uint64_t second)
{ {
if (NLOHMANN_VIEW_UNLIKELY(out == cap)) if (NLOHMANN_VIEW_UNLIKELY(out == cap))
{ {
@@ -859,9 +859,9 @@ indent_done:
NLOHMANN_VIEW_ALWAYS_INLINE void open(value_t k) NLOHMANN_VIEW_ALWAYS_INLINE void open(value_t k)
{ {
// (base is read after emit(), which moves the node array when it // (base is read after push_node(), which moves the node array when it
// grows; in one expression the order of the two is unspecified) // grows; in one expression the order of the two is unspecified)
const node* const n = emit(k, 0, 0, static_cast<std::size_t>(p - b), 0); const node* const n = push_node(k, 0, 0, static_cast<std::size_t>(p - b), 0);
const auto idx = static_cast<std::uint32_t>(n - base); const auto idx = static_cast<std::uint32_t>(n - base);
if (depth != 0) if (depth != 0)
{ {
@@ -914,7 +914,7 @@ indent_done:
{ {
return fail(error_code::invalid_literal); return fail(error_code::invalid_literal);
} }
emit(k, flags, 0, static_cast<std::size_t>(p - b), n); push_node(k, flags, 0, static_cast<std::size_t>(p - b), n);
p += n; p += n;
return true; return true;
} }
@@ -1022,7 +1022,7 @@ indent_done:
// of the negative std::int64_t) // of the negative std::int64_t)
second = negative ? 0 - m : m; second = negative ? 0 - m : m;
} }
emit(kind, 0, layout, static_cast<std::size_t>(s - b), second); push_node(kind, 0, layout, static_cast<std::size_t>(s - b), second);
return true; return true;
} }
@@ -1034,7 +1034,7 @@ indent_done:
p = scan_string_run(p, e); p = scan_string_run(p, e);
if (NLOHMANN_VIEW_LIKELY(p != e && *p == '"')) if (NLOHMANN_VIEW_LIKELY(p != e && *p == '"'))
{ {
emit(value_t::string, 0, 0, static_cast<std::size_t>(s - b), static_cast<std::uint64_t>(p - s)); push_node(value_t::string, 0, 0, static_cast<std::size_t>(s - b), static_cast<std::uint64_t>(p - s));
++p; ++p;
return true; return true;
} }
@@ -1044,7 +1044,7 @@ indent_done:
return false; return false;
} }
p = r.p; p = r.p;
emit(value_t::string, node_flags::escaped, 0, r.start, r.len); push_node(value_t::string, node_flags::escaped, 0, r.start, r.len);
return true; return true;
} }
}; };
single_include/nlohmann/json_view.hpp
Generated
+7 -7
View File
@@ -1453,7 +1453,7 @@ indent_done:
/// append a node: (kind, flags, extra, off) and the second word (len, or /// append a node: (kind, flags, extra, off) and the second word (len, or
/// an integer's value); two stores on little-endian targets /// an integer's value); two stores on little-endian targets
NLOHMANN_VIEW_ALWAYS_INLINE node* emit(value_t k, std::uint8_t flags, std::uint16_t extra, std::size_t off, std::uint64_t second) NLOHMANN_VIEW_ALWAYS_INLINE node* push_node(value_t k, std::uint8_t flags, std::uint16_t extra, std::size_t off, std::uint64_t second)
{ {
if (NLOHMANN_VIEW_UNLIKELY(out == cap)) if (NLOHMANN_VIEW_UNLIKELY(out == cap))
{ {
@@ -1483,9 +1483,9 @@ indent_done:
NLOHMANN_VIEW_ALWAYS_INLINE void open(value_t k) NLOHMANN_VIEW_ALWAYS_INLINE void open(value_t k)
{ {
// (base is read after emit(), which moves the node array when it // (base is read after push_node(), which moves the node array when it
// grows; in one expression the order of the two is unspecified) // grows; in one expression the order of the two is unspecified)
const node* const n = emit(k, 0, 0, static_cast<std::size_t>(p - b), 0); const node* const n = push_node(k, 0, 0, static_cast<std::size_t>(p - b), 0);
const auto idx = static_cast<std::uint32_t>(n - base); const auto idx = static_cast<std::uint32_t>(n - base);
if (depth != 0) if (depth != 0)
{ {
@@ -1538,7 +1538,7 @@ indent_done:
{ {
return fail(error_code::invalid_literal); return fail(error_code::invalid_literal);
} }
emit(k, flags, 0, static_cast<std::size_t>(p - b), n); push_node(k, flags, 0, static_cast<std::size_t>(p - b), n);
p += n; p += n;
return true; return true;
} }
@@ -1646,7 +1646,7 @@ indent_done:
// of the negative std::int64_t) // of the negative std::int64_t)
second = negative ? 0 - m : m; second = negative ? 0 - m : m;
} }
emit(kind, 0, layout, static_cast<std::size_t>(s - b), second); push_node(kind, 0, layout, static_cast<std::size_t>(s - b), second);
return true; return true;
} }
@@ -1658,7 +1658,7 @@ indent_done:
p = scan_string_run(p, e); p = scan_string_run(p, e);
if (NLOHMANN_VIEW_LIKELY(p != e && *p == '"')) if (NLOHMANN_VIEW_LIKELY(p != e && *p == '"'))
{ {
emit(value_t::string, 0, 0, static_cast<std::size_t>(s - b), static_cast<std::uint64_t>(p - s)); push_node(value_t::string, 0, 0, static_cast<std::size_t>(s - b), static_cast<std::uint64_t>(p - s));
++p; ++p;
return true; return true;
} }
@@ -1668,7 +1668,7 @@ indent_done:
return false; return false;
} }
p = r.p; p = r.p;
emit(value_t::string, node_flags::escaped, 0, r.start, r.len); push_node(value_t::string, node_flags::escaped, 0, r.start, r.len);
return true; return true;
} }
}; };