Files
whetstone_DSL/editor/src/PostApplyStructuralGate.h

124 lines
4.0 KiB
C++

#pragma once
// Step 530: Post-Apply Structural Gate
#include <algorithm>
#include <set>
#include <string>
#include <vector>
#include "ConstraintViolationDiagnostics.h"
struct PostApplyInput {
bool regionReparsed = false;
int parseErrorsAfter = 0;
std::vector<std::string> symbolsBefore;
std::vector<std::string> symbolsAfter;
std::vector<std::string> allowedSymbolDrift;
};
struct PostApplyResult {
bool valid = false;
std::vector<std::string> addedSymbols;
std::vector<std::string> removedSymbols;
ConstraintDiagnosticPacket diagnostics;
};
class PostApplyStructuralGate {
public:
static PostApplyResult validate(const PostApplyInput& input) {
PostApplyResult result;
if (!input.regionReparsed) {
result.diagnostics.violations.push_back({
"region_not_reparsed",
"Touched region was not reparsed after apply",
"regionReparsed",
false
});
}
if (input.parseErrorsAfter > 0) {
result.diagnostics.violations.push_back({
"ast_integrity_failure",
"AST parse reported errors after apply",
"parseErrorsAfter",
false
});
}
computeSymbolDiff(input, result.addedSymbols, result.removedSymbols);
addUnexpectedDriftViolations(input.allowedSymbolDrift,
result.addedSymbols,
result.removedSymbols,
result.diagnostics.violations);
dedupe(result.diagnostics.violations);
result.valid = result.diagnostics.violations.empty();
result.diagnostics.ok = result.valid;
result.diagnostics.recommendedAction = result.valid ? "proceed" : "escalate";
return result;
}
private:
static void computeSymbolDiff(const PostApplyInput& input,
std::vector<std::string>& added,
std::vector<std::string>& removed) {
auto before = asSet(input.symbolsBefore);
auto after = asSet(input.symbolsAfter);
for (const auto& s : after) {
if (before.count(s) == 0) added.push_back(s);
}
for (const auto& s : before) {
if (after.count(s) == 0) removed.push_back(s);
}
}
static void addUnexpectedDriftViolations(
const std::vector<std::string>& allowedDrift,
const std::vector<std::string>& added,
const std::vector<std::string>& removed,
std::vector<ConstraintViolation>& violations) {
auto allowed = asSet(allowedDrift);
for (const auto& symbol : added) {
if (allowed.count(symbol) == 0) {
violations.push_back({
"unexpected_symbol_drift_add",
"Unexpected symbol added after apply",
symbol,
false
});
}
}
for (const auto& symbol : removed) {
if (allowed.count(symbol) == 0) {
violations.push_back({
"unexpected_symbol_drift_remove",
"Unexpected symbol removed after apply",
symbol,
false
});
}
}
}
static std::set<std::string> asSet(const std::vector<std::string>& symbols) {
return std::set<std::string>(symbols.begin(), symbols.end());
}
static void dedupe(std::vector<ConstraintViolation>& violations) {
std::vector<ConstraintViolation> out;
for (const auto& v : violations) {
bool exists = false;
for (const auto& current : out) {
if (current.code == v.code && current.field == v.field) {
exists = true;
break;
}
}
if (!exists) out.push_back(v);
}
violations.swap(out);
}
};