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start reading header hover info

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silverweed 2024-09-10 15:56:21 +02:00
parent c210ef86cc
commit 705b4b353d
4 changed files with 254 additions and 152 deletions
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2
src/render.cpp
View file

@ -388,7 +388,7 @@ void update_and_render(Arena *arena, App_State &app, f32 delta_time_ms)
{ {
Section hovered_section = find_section(app, hovered_off - 1); Section hovered_section = find_section(app, hovered_off - 1);
Sec_Hover_Info hover_info = get_section_hover_info(scratch.arena, hovered_section, hovered_off - 1, app.inspected_file.mem); Sec_Hover_Info hover_info = get_section_hover_info(scratch.arena, hovered_section, hovered_off - 1, app.inspected_file.mem);
imgui_render_string_tree(scratch.arena, hover_info.desc); imgui_render_string_tree(scratch.arena, hover_info.desc->head);
app.viewer.hovered_range = hover_info.rng; app.viewer.hovered_range = hover_info.rng;
} else { } else {
app.viewer.hovered_range = {}; app.viewer.hovered_range = {};

331
src/rntuple.cpp
View file

@ -653,6 +653,12 @@ String8_Node *hover_display_val_le(Arena *arena, String8_Node *prev, const char
return push_str8_node_child(arena, prev, fmt, val); return push_str8_node_child(arena, prev, fmt, val);
} }
template <typename T>
String8_Node *hover_display_val_le_abs(Arena *arena, String8_Node *prev, const char *fmt, T val)
{
return push_str8_node_child(arena, prev, fmt, std::abs(val));
}
internal internal
String8_Node *hover_display_datetime_str(Arena *arena, String8_Node *prev, const char *fmt_pre, u32 datetime) String8_Node *hover_display_datetime_str(Arena *arena, String8_Node *prev, const char *fmt_pre, u32 datetime)
{ {
@ -704,7 +710,7 @@ template <typename T>
using Display_Fn = String8_Node *(*)(Arena *, String8_Node *, const char *, T); using Display_Fn = String8_Node *(*)(Arena *, String8_Node *, const char *, T);
// Functor used by get_section_hover_info to describe the structure of a section and print data about it. // Functor used by get_section_hover_info to describe the structure of a section and print data about it.
struct Try_Sec_Hover_Fn { struct Sec_Hover_Fn {
u64 start; u64 start;
u64 roff; u64 roff;
const u8 *data; const u8 *data;
@ -713,11 +719,9 @@ struct Try_Sec_Hover_Fn {
u64 &cur_field_off; u64 &cur_field_off;
template <typename T> template <typename T>
b8 field(const char *desc_fmt, Display_Fn<T> display_val = hover_display_val_be<T>) const b8 field(const char *desc_fmt, Display_Fn<T> display_val) const
{ {
if constexpr (std::is_same_v<T, String8>) { static_assert(!std::is_same_v<T, String8>, "use field_str8 instead.");
return field_str8(desc_fmt, display_val);
} else {
u64 field_len = sizeof(T); u64 field_len = sizeof(T);
if (roff < cur_field_off + field_len) { if (roff < cur_field_off + field_len) {
info.rng = { start + cur_field_off, field_len }; info.rng = { start + cur_field_off, field_len };
@ -729,21 +733,35 @@ struct Try_Sec_Hover_Fn {
cur_field_off += field_len; cur_field_off += field_len;
return false; return false;
} }
template <typename T>
b8 field_be(const char *desc_fmt) const
{
return field<T>(desc_fmt, hover_display_val_be<T>);
} }
b8 field_str8(const char *desc_fmt, Display_Fn<String8> display_val) const template <typename T>
b8 field_le(const char *desc_fmt) const
{ {
u8 str_size = data[start + cur_field_off]; return field<T>(desc_fmt, hover_display_val_le<T>);
if (roff < cur_field_off + 1 + str_size) { }
info.rng = { start + cur_field_off, 1 + (u64)str_size };
template <typename TStrSize>
b8 field_str8(const char *desc_fmt, Display_Fn<String8> display_val = hover_display_val_be<String8>) const
{
// String size can be stored as different types, like u8 (by ROOT I/O) or u32 (by RNTuple).
TStrSize str_size;
memcpy(&str_size, data + start + cur_field_off, sizeof(TStrSize));
if (roff < cur_field_off + sizeof(TStrSize) + str_size) {
info.rng = { start + cur_field_off, sizeof(TStrSize) + (u64)str_size };
u8 *buf = arena_push_array_nozero<u8>(arena, str_size + 1); u8 *buf = arena_push_array_nozero<u8>(arena, str_size + 1);
memcpy(buf, data + start + cur_field_off + 1, str_size); memcpy(buf, data + start + cur_field_off + sizeof(TStrSize), str_size);
buf[str_size] = 0; buf[str_size] = 0;
String8 s = { buf, str_size }; String8 s = { buf, str_size };
display_val(arena, info.desc, desc_fmt, s); display_val(arena, info.desc, desc_fmt, s);
return true; return true;
} }
cur_field_off += 1 + str_size; cur_field_off += sizeof(TStrSize) + str_size;
return false; return false;
} }
@ -769,11 +787,12 @@ struct Try_Sec_Hover_Fn {
return false; return false;
} }
b8 maybe_rootzip(const u8 *data, u64 start) const b8 maybe_rootzip(b8 *was_zipped = nullptr) const
{ {
// TODO boundary checks // TODO boundary checks
const u64 range_len = 9; const u64 range_len = 9;
if (display_val_rootzip(arena, info.desc, "Zipped Block", data + start + cur_field_off)) { if (display_val_rootzip(arena, info.desc, "Zipped Block", data + start + cur_field_off)) {
if (was_zipped) *was_zipped = true;
if (roff < cur_field_off + range_len) { if (roff < cur_field_off + range_len) {
info.rng = { start + cur_field_off, range_len }; info.rng = { start + cur_field_off, range_len };
hover_display_val_be(arena, info.desc, "", data + start + cur_field_off); hover_display_val_be(arena, info.desc, "", data + start + cur_field_off);
@ -786,51 +805,100 @@ struct Try_Sec_Hover_Fn {
info.desc->last_child = info.desc->last_child->prev; info.desc->last_child = info.desc->last_child->prev;
} }
cur_field_off += range_len; cur_field_off += range_len;
} else if (was_zipped) {
*was_zipped = false;
} }
return false; return false;
} }
b8 tkey() const b8 tkey() const
{ {
return titled_section("TKey", [this] {
u16 version_be; u16 version_be;
memcpy(&version_be, data + start + 4, sizeof(u16)); memcpy(&version_be, data + start + 4, sizeof(u16));
u32 version = bswap(version_be); u32 version = bswap(version_be);
b8 is_big = version > 1000; b8 is_big = version > 1000;
if (is_big) { if (is_big) {
return field<u32>("NBytes: %u") return field_be<u32>("NBytes: %u")
|| field<u16>("Version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u16 x) { || field<u16>("Version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u16 x) {
x = bswap(x); x = bswap(x);
x -= 1000; x -= 1000;
return push_str8_node_child(arena, prev, fmt, x); return push_str8_node_child(arena, prev, fmt, x);
}) })
|| field<u32>("Obj Len: %u") || field_be<u32>("Obj Len: %u")
|| field<u32>("Datetime: ", hover_display_datetime_str) || field<u32>("Datetime: ", hover_display_datetime_str)
|| field<u16>("Key Len: %u") || field_be<u16>("Key Len: %u")
|| field<u16>("Cycle: %u") || field_be<u16>("Cycle: %u")
|| field<u64>("Seek Key: 0x%" PRIX64) || field_be<u64>("Seek Key: 0x%" PRIX64)
|| field<u64>("Seek Pdir: 0x%" PRIX64) || field_be<u64>("Seek Pdir: 0x%" PRIX64)
|| field<String8>("Class Name: %s") || field_str8<u8>("Class Name: %s")
|| field<String8>("Obj Name: %s") || field_str8<u8>("Obj Name: %s")
|| field<String8>("Obj Title: %s") || field_str8<u8>("Obj Title: %s")
; ;
} else { } else {
return field<u32>("NBytes: %u") return field_be<u32>("NBytes: %u")
|| field<u16>("Version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u16 x) { || field<u16>("Version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u16 x) {
x = bswap(x); x = bswap(x);
return push_str8_node_child(arena, prev, fmt, x); return push_str8_node_child(arena, prev, fmt, x);
}) })
|| field<u32>("Obj Len: %u") || field_be<u32>("Obj Len: %u")
|| field<u32>("Datetime: ", hover_display_datetime_str) || field<u32>("Datetime: ", hover_display_datetime_str)
|| field<u16>("Key Len: %u") || field_be<u16>("Key Len: %u")
|| field<u16>("Cycle: %u") || field_be<u16>("Cycle: %u")
|| field<u32>("Seek Key: 0x%" PRIX64) || field_be<u32>("Seek Key: 0x%" PRIX64)
|| field<u32>("Seek Pdir: 0x%" PRIX64) || field_be<u32>("Seek Pdir: 0x%" PRIX64)
|| field<String8>("Class Name: %s") || field_str8<u8>("Class Name: %s")
|| field<String8>("Obj Name: %s") || field_str8<u8>("Obj Name: %s")
|| field<String8>("Obj Title: %s") || field_str8<u8>("Obj Title: %s")
; ;
} }
});
}
b8 envelope_preamble() const
{
static const char *const envelope_names[] = { "INVALID", "Header", "Footer", "Page List" };
return field<u16>("Envelope type: %s", [] (Arena *arena, String8_Node *prev, const char *fmt, u16 val) {
const char *name = (val >= countof(envelope_names)) ? "Unknown" : envelope_names[val];
return push_str8_node_child(arena, prev, fmt, name);
})
|| range_data("Envelope size: %s", 6, [] (Arena *arena, String8_Node *prev, const char *fmt, const u8 *payload) {
u64 size;
memcpy(&size, payload, 6);
return push_str8_node_child(arena, prev, fmt, to_pretty_size(arena, size));
});
}
b8 list_frame_preamble() const
{
return titled_section("Frame Preamble", [this] {
return field<i64>("Size: %" PRIi64, hover_display_val_le_abs<i64>)
|| field_le<u32>("N Items: %u")
;
});
}
b8 schema_description() const
{
return titled_section("Schema Description", [this] {
return list_frame_preamble();
});
}
template <typename F>
b8 titled_section(const char *title, F &&fn) const
{
String8_Node *prev_desc = info.desc;
info.desc = push_str8_node_child(arena, prev_desc, title);
b8 ok = fn();
if (!ok) {
pop_str8_node_child(prev_desc, info.desc);
info.desc = prev_desc;
}
return ok;
} }
}; };
@ -860,29 +928,29 @@ Sec_Hover_Info get_section_hover_info(Arena *arena, Section section, u64 off, co
u64 start = section.range.start - section.pre_size; u64 start = section.range.start - section.pre_size;
u64 roff = off - start; // offset relative to `section` u64 roff = off - start; // offset relative to `section`
u64 cur_field_off = 0; u64 cur_field_off = 0;
Try_Sec_Hover_Fn try_sec_hover { start, roff, data, arena, info, cur_field_off }; Sec_Hover_Fn hover { start, roff, data, arena, info, cur_field_off };
switch (section.id) { switch (section.id) {
case Sec_RNTuple_Anchor: { case Sec_RNTuple_Anchor: {
try_sec_hover.tkey() hover.tkey()
|| try_sec_hover.field<u32>("Object len: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u32 x) { || hover.field<u32>("Object len: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u32 x) {
x = bswap(x); x = bswap(x);
x -= 0x4000'0000; x -= 0x4000'0000;
return push_str8_node_child(arena, prev, fmt, x); return push_str8_node_child(arena, prev, fmt, x);
}) })
|| try_sec_hover.field<u16>("Class version: %u") || hover.field_be<u16>("Class version: %u")
|| try_sec_hover.field<u16>("Version Epoch: %u") || hover.field_be<u16>("Version Epoch: %u")
|| try_sec_hover.field<u16>("Version Major: %u") || hover.field_be<u16>("Version Major: %u")
|| try_sec_hover.field<u16>("Version Minor: %u") || hover.field_be<u16>("Version Minor: %u")
|| try_sec_hover.field<u16>("Version Patch: %u") || hover.field_be<u16>("Version Patch: %u")
|| try_sec_hover.field<u64>("Seek Header: 0x%" PRIX64) || hover.field_be<u64>("Seek Header: 0x%" PRIX64)
|| try_sec_hover.field<u64>("NBytes Header: %u") || hover.field_be<u64>("NBytes Header: %u")
|| try_sec_hover.field<u64>("Len Header: %u") || hover.field_be<u64>("Len Header: %u")
|| try_sec_hover.field<u64>("Seek Footer: 0x%" PRIX64) || hover.field_be<u64>("Seek Footer: 0x%" PRIX64)
|| try_sec_hover.field<u64>("NBytes Footer: %u") || hover.field_be<u64>("NBytes Footer: %u")
|| try_sec_hover.field<u64>("Len Footer: %u") || hover.field_be<u64>("Len Footer: %u")
|| try_sec_hover.field<u64>("Max Key Size: %u") || hover.field_be<u64>("Max Key Size: %u")
|| try_sec_hover.field<u64>("Checksum: 0x%" PRIX64, hover_display_val_le) || hover.field_le<u64>("Checksum: 0x%" PRIX64)
; ;
} break; } break;
@ -893,46 +961,46 @@ Sec_Hover_Info get_section_hover_info(Arena *arena, Section section, u64 off, co
b8 is_big = root_version > 1000000; b8 is_big = root_version > 1000000;
if (is_big) { if (is_big) {
try_sec_hover.field<u32>("ROOT magic number") hover.field_be<u32>("ROOT magic number")
|| try_sec_hover.field<u32>("ROOT version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u32 x) { || hover.field<u32>("ROOT version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u32 x) {
x = bswap(x); x = bswap(x);
x -= 1000000; x -= 1000000;
return push_str8_node_child(arena, prev, fmt, x); return push_str8_node_child(arena, prev, fmt, x);
}) })
|| try_sec_hover.field<u32>("fBEGIN: 0x%" PRIX64) || hover.field_be<u32>("fBEGIN: 0x%" PRIX64)
|| try_sec_hover.field<u64>("fEND: 0x%" PRIX64) || hover.field_be<u64>("fEND: 0x%" PRIX64)
|| try_sec_hover.field<u64>("Seek Free: 0x%" PRIX64) || hover.field_be<u64>("Seek Free: 0x%" PRIX64)
|| try_sec_hover.field<u32>("NBytes Free: %u") || hover.field_be<u32>("NBytes Free: %u")
|| try_sec_hover.field<u32>("N Free: %u") || hover.field_be<u32>("N Free: %u")
|| try_sec_hover.field<u32>("NBytes Name: %u") || hover.field_be<u32>("NBytes Name: %u")
|| try_sec_hover.field<u8>("Units: %u") || hover.field_be<u8>("Units: %u")
|| try_sec_hover.field<u32>("Compression: %u") || hover.field_be<u32>("Compression: %u")
|| try_sec_hover.field<u64>("Seek Info: 0x%" PRIX64) || hover.field_be<u64>("Seek Info: 0x%" PRIX64)
|| try_sec_hover.field<u32>("NBytes Info: %u") || hover.field_be<u32>("NBytes Info: %u")
|| try_sec_hover.range("Padding", section.post_size) || hover.range("Padding", section.post_size)
; ;
} else { } else {
try_sec_hover.field<u32>("ROOT magic number") hover.field_be<u32>("ROOT magic number")
|| try_sec_hover.field<u32>("ROOT version: %u") || hover.field_be<u32>("ROOT version: %u")
|| try_sec_hover.field<u32>("fBEGIN: 0x%" PRIX64) || hover.field_be<u32>("fBEGIN: 0x%" PRIX64)
|| try_sec_hover.field<u32>("fEND: 0x%" PRIX64) || hover.field_be<u32>("fEND: 0x%" PRIX64)
|| try_sec_hover.field<u32>("Seek Free: 0x%" PRIX64) || hover.field_be<u32>("Seek Free: 0x%" PRIX64)
|| try_sec_hover.field<u32>("NBytes Free: %u") || hover.field_be<u32>("NBytes Free: %u")
|| try_sec_hover.field<u32>("N Free: %u") || hover.field_be<u32>("N Free: %u")
|| try_sec_hover.field<u32>("NBytes Name: %u") || hover.field_be<u32>("NBytes Name: %u")
|| try_sec_hover.field<u8>("Units: %u") || hover.field_be<u8>("Units: %u")
|| try_sec_hover.field<u32>("Compression: %u") || hover.field_be<u32>("Compression: %u")
|| try_sec_hover.field<u32>("Seek Info: 0x%" PRIX64) || hover.field_be<u32>("Seek Info: 0x%" PRIX64)
|| try_sec_hover.field<u32>("NBytes Info: %u") || hover.field_be<u32>("NBytes Info: %u")
|| try_sec_hover.range("Padding", section.post_size) || hover.range("Padding", section.post_size)
; ;
} }
} break; } break;
case Sec_TFile_Object: { case Sec_TFile_Object: {
if (!try_sec_hover.tkey()) { if (!hover.tkey()) {
b8 ok = try_sec_hover.field<String8>("File Name: %s") b8 ok = hover.field_str8<u8>("File Name: %s")
|| try_sec_hover.field<String8>("File Title: %s") || hover.field_str8<u8>("File Title: %s")
; ;
if (!ok) { if (!ok) {
u16 version_be; u16 version_be;
@ -941,33 +1009,33 @@ Sec_Hover_Info get_section_hover_info(Arena *arena, Section section, u64 off, co
b8 is_big = version > 1000; b8 is_big = version > 1000;
if (is_big) { if (is_big) {
ok = ok || try_sec_hover.field<u16>("Version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u16 x) { ok = ok || hover.field<u16>("Version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u16 x) {
x = bswap(x); x = bswap(x);
x -= 1000; x -= 1000;
return push_str8_node_child(arena, prev, fmt, x); return push_str8_node_child(arena, prev, fmt, x);
}) })
|| try_sec_hover.field<u32>("Created: ", hover_display_datetime_str) || hover.field<u32>("Created: ", hover_display_datetime_str)
|| try_sec_hover.field<u32>("Modified: ", hover_display_datetime_str) || hover.field<u32>("Modified: ", hover_display_datetime_str)
|| try_sec_hover.field<u32>("NBytes Key: %u") || hover.field_be<u32>("NBytes Key: %u")
|| try_sec_hover.field<u32>("NBytes Name: %u") || hover.field_be<u32>("NBytes Name: %u")
|| try_sec_hover.field<u64>("Seek Dir: 0x%" PRIX64) || hover.field_be<u64>("Seek Dir: 0x%" PRIX64)
|| try_sec_hover.field<u64>("Seek Parent: 0x%" PRIX64) || hover.field_be<u64>("Seek Parent: 0x%" PRIX64)
|| try_sec_hover.field<u64>("Seek Keys: 0x%" PRIX64) || hover.field_be<u64>("Seek Keys: 0x%" PRIX64)
|| try_sec_hover.field<u16>("UUID Vers.Class: %u") || hover.field_be<u16>("UUID Vers.Class: %u")
|| try_sec_hover.field<u16>("UUID: %u", hover_display_val_le) || hover.field_le<u16>("UUID: %u")
; ;
} else { } else {
ok = ok || try_sec_hover.field<u16>("Version: %u") ok = ok || hover.field_be<u16>("Version: %u")
|| try_sec_hover.field<u32>("Created: ", hover_display_datetime_str) || hover.field<u32>("Created: ", hover_display_datetime_str)
|| try_sec_hover.field<u32>("Modified: ", hover_display_datetime_str) || hover.field<u32>("Modified: ", hover_display_datetime_str)
|| try_sec_hover.field<u32>("NBytes Key: %u") || hover.field_be<u32>("NBytes Key: %u")
|| try_sec_hover.field<u32>("NBytes Name: %u") || hover.field_be<u32>("NBytes Name: %u")
|| try_sec_hover.field<u32>("Seek Dir: 0x%" PRIX64) || hover.field_be<u32>("Seek Dir: 0x%" PRIX64)
|| try_sec_hover.field<u32>("Seek Parent: 0x%" PRIX64) || hover.field_be<u32>("Seek Parent: 0x%" PRIX64)
|| try_sec_hover.field<u32>("Seek Keys: 0x%" PRIX64) || hover.field_be<u32>("Seek Keys: 0x%" PRIX64)
|| try_sec_hover.field<u16>("UUID Vers.Class: %u") || hover.field_be<u16>("UUID Vers.Class: %u")
|| try_sec_hover.field<u16>("UUID: %u", hover_display_val_le) || hover.field_le<u16>("UUID: %u")
|| try_sec_hover.range("Padding", 3 * sizeof(u32)) || hover.range("Padding", 3 * sizeof(u32))
; ;
} }
} }
@ -975,63 +1043,85 @@ Sec_Hover_Info get_section_hover_info(Arena *arena, Section section, u64 off, co
} break; } break;
case Sec_RNTuple_Header: case Sec_RNTuple_Header:
if (!hover.tkey()) {
b8 zipped;
if (!hover.maybe_rootzip(&zipped)) {
if (zipped) {
hover.range("Payload", section.range.len - section.post_size)
|| hover.field_le<u64>("Checksum: 0x%" PRIX64)
;
} else {
hover.envelope_preamble()
// NOTE: flags in principle require a more complex handling, but for now they are unused,
// so they're always occupying only 8 bytes.
|| hover.field_le<u64>("Flags: 0x%" PRIX64)
|| hover.field_str8<u32>("Name: %s")
|| hover.field_str8<u32>("Description: %s")
|| hover.field_str8<u32>("ROOT version: %s")
|| hover.schema_description()
|| hover.field_le<u64>("Checksum: 0x%" PRIX64)
;
}
}
}
break;
case Sec_RNTuple_Footer: case Sec_RNTuple_Footer:
case Sec_Page_List: { case Sec_Page_List: {
try_sec_hover.tkey() hover.tkey()
|| try_sec_hover.maybe_rootzip(data, start) || hover.maybe_rootzip()
|| try_sec_hover.range("Payload", section.range.len - section.post_size) // TODO: improve || hover.range("Payload", section.range.len - section.post_size) // TODO: improve
|| try_sec_hover.field<u64>("Checksum: 0x%" PRIX64, hover_display_val_le) || hover.field_le<u64>("Checksum: 0x%" PRIX64)
; ;
} break; } break;
case Sec_Page: { case Sec_Page: {
// only try hovering a key if this is the first page of the cluster (<=> pre_size != 0) // only try hovering a key if this is the first page of the cluster (<=> pre_size != 0)
b8 ok = section.pre_size && try_sec_hover.tkey(); b8 ok = section.pre_size && hover.tkey();
ok = ok || try_sec_hover.maybe_rootzip(data, start) ok = ok || hover.maybe_rootzip()
|| try_sec_hover.range("Payload", section.range.len - section.post_size) // TODO: improve || hover.range("Payload", section.range.len - section.post_size) // TODO: improve
|| try_sec_hover.field<u64>("Checksum: 0x%" PRIX64, hover_display_val_le) || hover.field_le<u64>("Checksum: 0x%" PRIX64)
; ;
} break; } break;
case Sec_TFile_Info: { case Sec_TFile_Info: {
try_sec_hover.tkey() hover.tkey()
|| try_sec_hover.maybe_rootzip(data, start) || hover.maybe_rootzip()
// || try_sec_hover.field<u32>("Byte Count: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u32 x) { // || hover.field<u32>("Byte Count: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u32 x) {
// x = bswap(x); // x = bswap(x);
// x -= 0x400000000; // x -= 0x400000000;
// return push_str8_node_child(arena, prev, fmt, x); // return push_str8_node_child(arena, prev, fmt, x);
// }) // })
// || try_sec_hover.field<u16>("Version: %u") // || hover.field_be<u16>("Version: %u")
// || hover_try_object(try_sec_hover) // || hover_try_object(hover)
// || try_sec_hover.field<u8>("Name: %u") // || hover.field_be<u8>("Name: %u")
// || try_sec_hover.field<u32>("N Objects: %u") // || hover.field_be<u32>("N Objects: %u")
|| try_sec_hover.range("Payload", section.range.len) // TODO: improve || hover.range("Payload", section.range.len) // TODO: improve
; ;
} break; } break;
case Sec_TFile_FreeList: { case Sec_TFile_FreeList: {
if (!try_sec_hover.tkey()) { if (!hover.tkey()) {
u16 version_be; u16 version_be;
memcpy(&version_be, data + start + try_sec_hover.cur_field_off, sizeof(u16)); memcpy(&version_be, data + start + hover.cur_field_off, sizeof(u16));
u32 version = bswap(version_be); u32 version = bswap(version_be);
b8 is_big = version > 1000; b8 is_big = version > 1000;
if (is_big) { if (is_big) {
try_sec_hover.field<u16>("Version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u16 x) { hover.field<u16>("Version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u16 x) {
x = bswap(x); x = bswap(x);
x -= 1000; x -= 1000;
return push_str8_node_child(arena, prev, fmt, x); return push_str8_node_child(arena, prev, fmt, x);
}) })
|| try_sec_hover.field<u64>("First: 0x%" PRIX64) || hover.field_be<u64>("First: 0x%" PRIX64)
|| try_sec_hover.field<u64>("Last: 0x%" PRIX64) || hover.field_be<u64>("Last: 0x%" PRIX64)
; ;
} else { } else {
try_sec_hover.field<u16>("Version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u16 x) { hover.field<u16>("Version: %u", [] (Arena *arena, String8_Node *prev, const char *fmt, u16 x) {
x = bswap(x); x = bswap(x);
return push_str8_node_child(arena, prev, fmt, x); return push_str8_node_child(arena, prev, fmt, x);
}) })
|| try_sec_hover.field<u32>("First: 0x%X") || hover.field_be<u32>("First: 0x%X")
|| try_sec_hover.field<u32>("Last: 0x%X") || hover.field_be<u32>("Last: 0x%X")
; ;
} }
} }
@ -1040,6 +1130,5 @@ Sec_Hover_Info get_section_hover_info(Arena *arena, Section section, u64 off, co
default:; default:;
} }
return info; return info;
} }

14
src/str.cpp
View file

@ -78,6 +78,20 @@ String8_Node *push_str8_node_child(Arena *arena, String8_Node *parent, const cha
} else { } else {
parent->last_child = parent->first_child = snode; parent->last_child = parent->first_child = snode;
} }
snode->head = parent->head;
return snode; return snode;
} }
internal
void pop_str8_node_child(String8_Node *parent, String8_Node *node)
{
if (node->next)
node->next->prev = node->prev;
if (node->prev)
node->prev->next = node->next;
if (node == parent->first_child)
parent->first_child = node->next;
if (node == parent->last_child)
parent->last_child = node->prev;
}

1
src/types.h
View file

@ -26,7 +26,6 @@ using i64 = int64_t;
#define LIKELY(x) __builtin_expect(!!(x), 1) #define LIKELY(x) __builtin_expect(!!(x), 1)
#define UNLIKELY(x) __builtin_expect(!!(x), 0) #define UNLIKELY(x) __builtin_expect(!!(x), 0)
#ifdef R__BYTESWAP #ifdef R__BYTESWAP
#if defined(R__MACOSX) #if defined(R__MACOSX)