Files
archived-Reclass/src/compose.cpp

471 lines
18 KiB
C++

#include "core.h"
#include <algorithm>
namespace rcx {
namespace {
// Scintilla fold constants (avoid including Scintilla headers in core)
constexpr int SC_FOLDLEVELBASE = 0x400;
constexpr int SC_FOLDLEVELHEADERFLAG = 0x2000;
constexpr uint64_t kGoldenRatio = 0x9E3779B97F4A7C15ULL;
struct ComposeState {
QString text;
QVector<LineMeta> meta;
QSet<uint64_t> visiting; // cycle detection for struct recursion
QSet<qulonglong> ptrVisiting; // cycle guard for pointer expansions
int currentLine = 0;
int typeW = kColType; // global type column width (fallback)
int nameW = kColName; // global name column width (fallback)
bool baseEmitted = false; // only first root struct shows base address
// Precomputed for O(1) lookups
QHash<uint64_t, QVector<int>> childMap;
QVector<int64_t> absOffsets; // indexed by node index
// Per-scope column widths (containerId -> width for direct children)
QHash<uint64_t, int> scopeTypeW;
QHash<uint64_t, int> scopeNameW;
int effectiveTypeW(uint64_t scopeId) const {
return scopeTypeW.value(scopeId, typeW);
}
int effectiveNameW(uint64_t scopeId) const {
return scopeNameW.value(scopeId, nameW);
}
void emitLine(const QString& lineText, LineMeta lm) {
if (currentLine > 0) text += '\n';
// 3-char fold indicator column: " - " expanded, " + " collapsed, " " other
if (lm.foldHead)
text += lm.foldCollapsed ? QStringLiteral(" + ") : QStringLiteral(" - ");
else
text += QStringLiteral(" ");
text += lineText;
meta.append(lm);
currentLine++;
}
};
int computeFoldLevel(int depth, bool isHead) {
int level = SC_FOLDLEVELBASE + depth;
if (isHead) level |= SC_FOLDLEVELHEADERFLAG;
return level;
}
uint32_t computeMarkers(const Node& node, const Provider& prov,
uint64_t addr, bool isCont, int depth) {
uint32_t mask = 0;
if (isCont) mask |= (1u << M_CONT);
if (node.kind == NodeKind::Padding) mask |= (1u << M_PAD);
if (prov.isValid()) {
int sz = node.byteSize();
if (sz > 0 && !prov.isReadable(addr, sz)) {
mask |= (1u << M_ERR);
} else if (sz > 0) {
if (node.kind == NodeKind::Pointer32 && prov.readU32(addr) == 0)
mask |= (1u << M_PTR0);
if (node.kind == NodeKind::Pointer64 && prov.readU64(addr) == 0)
mask |= (1u << M_PTR0);
}
}
return mask;
}
static inline uint64_t ptrToProviderAddr(const NodeTree& tree, uint64_t ptr) {
if (tree.baseAddress && ptr >= tree.baseAddress) return ptr - tree.baseAddress;
return ptr;
}
static int64_t relOffsetFromRoot(const NodeTree& tree, int idx, uint64_t rootId) {
int64_t total = 0;
QSet<int> visited;
int cur = idx;
while (cur >= 0 && cur < tree.nodes.size()) {
if (visited.contains(cur)) break;
visited.insert(cur);
const Node& n = tree.nodes[cur];
if (n.id == rootId) break;
total += n.offset;
if (n.parentId == 0) break;
cur = tree.indexOfId(n.parentId);
}
return total;
}
static inline uint64_t resolveAddr(const ComposeState& state,
const NodeTree& tree,
int nodeIdx,
uint64_t base, uint64_t rootId) {
if (rootId != 0)
return base + relOffsetFromRoot(tree, nodeIdx, rootId);
return state.absOffsets[nodeIdx];
}
void composeLeaf(ComposeState& state, const NodeTree& tree,
const Provider& prov, int nodeIdx,
int depth, uint64_t absAddr, uint64_t scopeId) {
const Node& node = tree.nodes[nodeIdx];
// Get per-scope widths (falls back to global if no scope entry)
int typeW = state.effectiveTypeW(scopeId);
int nameW = state.effectiveNameW(scopeId);
// Line count: padding wraps at 8 bytes per line
int numLines;
if (node.kind == NodeKind::Padding) {
int totalBytes = qMax(1, node.arrayLen);
numLines = (totalBytes + 7) / 8;
} else {
numLines = linesForKind(node.kind);
}
for (int sub = 0; sub < numLines; sub++) {
bool isCont = (sub > 0);
LineMeta lm;
lm.nodeIdx = nodeIdx;
lm.nodeId = node.id;
lm.subLine = sub;
lm.depth = depth;
lm.isContinuation = isCont;
lm.lineKind = isCont ? LineKind::Continuation : LineKind::Field;
lm.nodeKind = node.kind;
lm.offsetText = fmt::fmtOffsetMargin(tree.baseAddress + absAddr, isCont);
lm.markerMask = computeMarkers(node, prov, absAddr, isCont, depth);
lm.foldLevel = computeFoldLevel(depth, false);
lm.effectiveTypeW = typeW;
lm.effectiveNameW = nameW;
QString lineText = fmt::fmtNodeLine(node, prov, absAddr, depth, sub,
/*comment=*/{}, typeW, nameW);
state.emitLine(lineText, lm);
}
}
// Forward declarations (base/rootId default to 0 = use precomputed offsets)
void composeNode(ComposeState& state, const NodeTree& tree,
const Provider& prov, int nodeIdx, int depth,
uint64_t base = 0, uint64_t rootId = 0, bool isArrayChild = false,
uint64_t scopeId = 0, int arrayElementIdx = -1);
void composeParent(ComposeState& state, const NodeTree& tree,
const Provider& prov, int nodeIdx, int depth,
uint64_t base = 0, uint64_t rootId = 0, bool isArrayChild = false,
uint64_t scopeId = 0, int arrayElementIdx = -1);
void composeParent(ComposeState& state, const NodeTree& tree,
const Provider& prov, int nodeIdx, int depth,
uint64_t base, uint64_t rootId, bool isArrayChild,
uint64_t scopeId, int arrayElementIdx) {
const Node& node = tree.nodes[nodeIdx];
uint64_t absAddr = resolveAddr(state, tree, nodeIdx, base, rootId);
// Cycle detection
if (state.visiting.contains(node.id)) {
LineMeta lm;
lm.nodeIdx = nodeIdx;
lm.nodeId = node.id;
lm.depth = depth;
lm.lineKind = LineKind::Field;
lm.offsetText = fmt::fmtOffsetMargin(tree.baseAddress + absAddr, false);
lm.nodeKind = node.kind;
lm.markerMask = (1u << M_CYCLE) | (1u << M_ERR);
lm.foldLevel = computeFoldLevel(depth, false);
state.emitLine(fmt::indent(depth) + QStringLiteral("/* CYCLE: ") +
node.name + QStringLiteral(" */"), lm);
return;
}
state.visiting.insert(node.id);
// Array element separator: show [N] to indicate which element this is
if (isArrayChild && arrayElementIdx >= 0) {
LineMeta lm;
lm.nodeIdx = nodeIdx;
lm.nodeId = node.id;
lm.depth = depth;
lm.lineKind = LineKind::ArrayElementSeparator;
lm.offsetText = fmt::fmtOffsetMargin(tree.baseAddress + absAddr, false);
lm.nodeKind = node.kind;
lm.foldLevel = computeFoldLevel(depth, false);
lm.markerMask = 0;
lm.arrayElementIdx = arrayElementIdx;
state.emitLine(fmt::indent(depth) + QStringLiteral("[%1]").arg(arrayElementIdx), lm);
}
// Header line (skip for array element structs - condensed display)
if (!isArrayChild) {
LineMeta lm;
lm.nodeIdx = nodeIdx;
lm.nodeId = node.id;
lm.depth = depth;
lm.lineKind = LineKind::Header;
lm.offsetText = fmt::fmtOffsetMargin(tree.baseAddress + absAddr, false);
lm.nodeKind = node.kind;
lm.foldHead = true;
lm.foldCollapsed = node.collapsed;
lm.foldLevel = computeFoldLevel(depth, true);
lm.markerMask = (1u << M_STRUCT_BG);
lm.isRootHeader = (node.parentId == 0 && node.kind == NodeKind::Struct && !state.baseEmitted);
if (lm.isRootHeader) state.baseEmitted = true;
QString headerText;
if (node.kind == NodeKind::Array) {
// Array header with navigation: "uint32_t[16] name { <0/16>"
lm.isArrayHeader = true;
lm.elementKind = node.elementKind;
lm.arrayViewIdx = node.viewIndex;
lm.arrayCount = node.arrayLen;
headerText = fmt::fmtArrayHeader(node, depth, node.viewIndex);
} else if (lm.isRootHeader) {
// Root structs show base address
headerText = fmt::fmtStructHeaderWithBase(node, depth, tree.baseAddress);
} else {
// Nested structs show normal header
headerText = fmt::fmtStructHeader(node, depth);
}
state.emitLine(headerText, lm);
}
if (!node.collapsed || isArrayChild) {
QVector<int> children = state.childMap.value(node.id);
std::sort(children.begin(), children.end(), [&](int a, int b) {
return tree.nodes[a].offset < tree.nodes[b].offset;
});
// For arrays, render children as condensed (no header/footer for struct elements)
bool childrenAreArrayElements = (node.kind == NodeKind::Array);
int elementIdx = 0;
for (int childIdx : children) {
// Pass this container's id as the scope for children (for per-scope widths)
// For array elements, also pass the element index for [N] separator
composeNode(state, tree, prov, childIdx, depth + 1, base, rootId,
childrenAreArrayElements, node.id,
childrenAreArrayElements ? elementIdx++ : -1);
}
}
// Footer line (skip for array element structs - condensed display)
if (!isArrayChild) {
LineMeta lm;
lm.nodeIdx = nodeIdx;
lm.nodeId = node.id;
lm.depth = depth;
lm.lineKind = LineKind::Footer;
lm.nodeKind = node.kind;
lm.offsetText = QStringLiteral(" ---");
lm.foldLevel = computeFoldLevel(depth, false);
lm.markerMask = 0;
int sz = tree.structSpan(node.id, &state.childMap);
state.emitLine(fmt::fmtStructFooter(node, depth, sz), lm);
}
state.visiting.remove(node.id);
}
void composeNode(ComposeState& state, const NodeTree& tree,
const Provider& prov, int nodeIdx, int depth,
uint64_t base, uint64_t rootId, bool isArrayChild,
uint64_t scopeId, int arrayElementIdx) {
const Node& node = tree.nodes[nodeIdx];
uint64_t absAddr = resolveAddr(state, tree, nodeIdx, base, rootId);
// Get per-scope widths for this node
int typeW = state.effectiveTypeW(scopeId);
int nameW = state.effectiveNameW(scopeId);
// Pointer deref expansion
if ((node.kind == NodeKind::Pointer32 || node.kind == NodeKind::Pointer64)
&& node.refId != 0) {
{
LineMeta lm;
lm.nodeIdx = nodeIdx;
lm.nodeId = node.id;
lm.depth = depth;
lm.lineKind = LineKind::Field;
lm.offsetText = fmt::fmtOffsetMargin(tree.baseAddress + absAddr, false);
lm.nodeKind = node.kind;
lm.foldHead = true;
lm.foldCollapsed = node.collapsed;
lm.foldLevel = computeFoldLevel(depth, true);
lm.markerMask = computeMarkers(node, prov, absAddr, false, depth);
lm.effectiveTypeW = typeW;
lm.effectiveNameW = nameW;
state.emitLine(fmt::fmtNodeLine(node, prov, absAddr, depth, 0, {}, typeW, nameW), lm);
}
if (!node.collapsed) {
int sz = node.byteSize();
if (prov.isValid() && sz > 0 && prov.isReadable(absAddr, sz)) {
uint64_t ptrVal = (node.kind == NodeKind::Pointer32)
? (uint64_t)prov.readU32(absAddr) : prov.readU64(absAddr);
if (ptrVal != 0) {
uint64_t pBase = ptrToProviderAddr(tree, ptrVal);
qulonglong key = pBase ^ (node.refId * kGoldenRatio);
if (!state.ptrVisiting.contains(key)) {
state.ptrVisiting.insert(key);
int refIdx = tree.indexOfId(node.refId);
if (refIdx >= 0) {
const Node& ref = tree.nodes[refIdx];
if (ref.kind == NodeKind::Struct || ref.kind == NodeKind::Array)
composeParent(state, tree, prov, refIdx,
depth + 1, pBase, ref.id);
}
state.ptrVisiting.remove(key);
}
}
}
}
return;
}
if (node.kind == NodeKind::Struct || node.kind == NodeKind::Array) {
composeParent(state, tree, prov, nodeIdx, depth, base, rootId, isArrayChild, scopeId, arrayElementIdx);
} else {
composeLeaf(state, tree, prov, nodeIdx, depth, absAddr, scopeId);
}
}
} // anonymous namespace
ComposeResult compose(const NodeTree& tree, const Provider& prov) {
ComposeState state;
// Precompute parent→children map
for (int i = 0; i < tree.nodes.size(); i++)
state.childMap[tree.nodes[i].parentId].append(i);
// Precompute absolute offsets
state.absOffsets.resize(tree.nodes.size());
for (int i = 0; i < tree.nodes.size(); i++)
state.absOffsets[i] = tree.computeOffset(i);
// Compute effective type column width from longest type name
int maxTypeLen = kMinTypeW;
for (const Node& node : tree.nodes) {
QString typeName;
if (node.kind == NodeKind::Array) {
// Array type: "int32_t[10]", "char[64]", etc.
typeName = fmt::arrayTypeName(node.elementKind, node.arrayLen);
} else {
typeName = fmt::typeNameRaw(node.kind);
}
maxTypeLen = qMax(maxTypeLen, typeName.size());
}
state.typeW = qBound(kMinTypeW, maxTypeLen, kMaxTypeW);
// Compute effective name column width from longest name
int maxNameLen = kMinNameW;
for (const Node& node : tree.nodes) {
// Skip hex/padding (they show ASCII preview, not name column)
if (isHexPreview(node.kind)) continue;
// Skip containers (struct/array headers have different layout)
if (node.kind == NodeKind::Struct || node.kind == NodeKind::Array) continue;
maxNameLen = qMax(maxNameLen, node.name.size());
}
state.nameW = qBound(kMinNameW, maxNameLen, kMaxNameW);
// Pre-compute per-scope widths (each container gets widths based on direct children only)
for (int i = 0; i < tree.nodes.size(); i++) {
const Node& container = tree.nodes[i];
if (container.kind != NodeKind::Struct && container.kind != NodeKind::Array)
continue;
int scopeMaxType = kMinTypeW;
int scopeMaxName = kMinNameW;
for (int childIdx : state.childMap.value(container.id)) {
const Node& child = tree.nodes[childIdx];
// Skip containers - their headers don't use columnar layout
if (child.kind == NodeKind::Struct || child.kind == NodeKind::Array)
continue;
// Type width
QString childTypeName = fmt::typeNameRaw(child.kind);
scopeMaxType = qMax(scopeMaxType, childTypeName.size());
// Name width (skip hex/padding)
if (!isHexPreview(child.kind)) {
scopeMaxName = qMax(scopeMaxName, child.name.size());
}
}
state.scopeTypeW[container.id] = qBound(kMinTypeW, scopeMaxType, kMaxTypeW);
state.scopeNameW[container.id] = qBound(kMinNameW, scopeMaxName, kMaxNameW);
}
// Compute scope widths for root level (parentId == 0)
{
int rootMaxType = kMinTypeW;
int rootMaxName = kMinNameW;
for (int childIdx : state.childMap.value(0)) {
const Node& child = tree.nodes[childIdx];
// Skip containers - their headers don't use columnar layout
if (child.kind == NodeKind::Struct || child.kind == NodeKind::Array)
continue;
QString childTypeName = fmt::typeNameRaw(child.kind);
rootMaxType = qMax(rootMaxType, childTypeName.size());
if (!isHexPreview(child.kind)) {
rootMaxName = qMax(rootMaxName, child.name.size());
}
}
state.scopeTypeW[0] = qBound(kMinTypeW, rootMaxType, kMaxTypeW);
state.scopeNameW[0] = qBound(kMinNameW, rootMaxName, kMaxNameW);
}
QVector<int> roots = state.childMap.value(0);
std::sort(roots.begin(), roots.end(), [&](int a, int b) {
return tree.nodes[a].offset < tree.nodes[b].offset;
});
for (int idx : roots) {
composeNode(state, tree, prov, idx, 0);
}
return { state.text, state.meta, LayoutInfo{state.typeW, state.nameW} };
}
QSet<uint64_t> NodeTree::normalizePreferAncestors(const QSet<uint64_t>& ids) const {
QSet<uint64_t> result;
for (uint64_t id : ids) {
int idx = indexOfId(id);
if (idx < 0) continue;
bool ancestorSelected = false;
uint64_t cur = nodes[idx].parentId;
QSet<uint64_t> visited;
while (cur != 0 && !visited.contains(cur)) {
visited.insert(cur);
if (ids.contains(cur)) { ancestorSelected = true; break; }
int pi = indexOfId(cur);
if (pi < 0) break;
cur = nodes[pi].parentId;
}
if (!ancestorSelected)
result.insert(id);
}
return result;
}
QSet<uint64_t> NodeTree::normalizePreferDescendants(const QSet<uint64_t>& ids) const {
QSet<uint64_t> result;
for (uint64_t id : ids) {
QVector<int> sub = subtreeIndices(id);
bool hasSelectedDescendant = false;
for (int si : sub) {
uint64_t sid = nodes[si].id;
if (sid != id && ids.contains(sid)) {
hasSelectedDescendant = true;
break;
}
}
if (!hasSelectedDescendant)
result.insert(id);
}
return result;
}
} // namespace rcx