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#include <yql/essentials/utils/backtrace/backtrace.h>
#include <yql/essentials/ast/yql_expr.h>
#include <library/cpp/svnversion/svnversion.h>
#include <util/stream/file.h>
#include <util/folder/path.h>
#include <util/string/split.h>
#include <util/generic/yexception.h>
#include <sstream>
#include <contrib/libs/dtl/dtl/dtl.hpp>
using namespace NYql;
std::string CalculateDiff(const TString& oldAst, const TString& newAst) {
auto oldLines = StringSplitter(oldAst).Split('\n').ToList<std::string>();
auto newLines = StringSplitter(newAst).Split('\n').ToList<std::string>();
dtl::Diff<std::string, TVector<std::string>> d(oldLines, newLines);
d.compose();
d.composeUnifiedHunks();
std::ostringstream ss;
d.printUnifiedFormat(ss);
return ss.str();
}
const int DIFF_LINES_LIMIT = 16;
void DumpSmallNodes(const TExprNode* rootOne, const TExprNode* rootTwo) {
const auto isDumpSmall = [] (const TString& dump) {
return std::count(dump.begin(), dump.end(), '\n') < DIFF_LINES_LIMIT;
};
const auto rootOneDump = rootOne->Dump();
if (!isDumpSmall(rootOneDump)) {
return;
}
const auto rootTwoDump = rootTwo->Dump();
if (!isDumpSmall(rootTwoDump)) {
return;
}
Cerr << rootOneDump << '\n' << rootTwoDump;
}
int Main(int argc, const char *argv[])
{
if (argc != 3) {
PrintProgramSvnVersion();
Cout << Endl << "Usage: " << argv[0] << " <fileone> <filetwo>" << Endl;
return 2;
}
const TString fileOne(argv[1]), fileTwo(argv[2]);
const TString progOneAst = TFileInput(fileOne).ReadAll();
const TString progTwoAst = TFileInput(fileTwo).ReadAll();
const auto progOne(ParseAst(progOneAst)), progTwo(ParseAst(progTwoAst));
if (!(progOne.IsOk() && progTwo.IsOk())) {
if (!progOne.IsOk()) {
Cerr << "Errors in " << fileOne << Endl;
progOne.Issues.PrintTo(Cerr);
}
if (!progTwo.IsOk()) {
Cerr << "Errors in " << fileTwo << Endl;
progTwo.Issues.PrintTo(Cerr);
}
return 3;
}
TExprContext ctxOne, ctxTwo;
TExprNode::TPtr exprOne, exprTwo;
const bool okOne = CompileExpr(*progOne.Root, exprOne, ctxOne, nullptr, nullptr);
const bool okTwo = CompileExpr(*progTwo.Root, exprTwo, ctxTwo, nullptr, nullptr);
if (!(okOne && okTwo)) {
if (!okOne) {
Cerr << "Errors on compile " << fileOne << Endl;
ctxOne.IssueManager.GetIssues().PrintTo(Cerr);
}
if (!okTwo) {
Cerr << "Errors on compile " << fileTwo << Endl;
ctxTwo.IssueManager.GetIssues().PrintTo(Cerr);
}
return 4;
}
const TExprNode* rootOne = exprOne.Get();
const TExprNode* rootTwo = exprTwo.Get();
auto rootOnePos = ctxOne.GetPosition(rootOne->Pos());
auto rootTwoPos = ctxTwo.GetPosition(rootTwo->Pos());
if (!CompareExprTrees(rootOne, rootTwo)) {
const auto diff = CalculateDiff(progOneAst, progTwoAst);
Cerr << "Programs are not equal!" << Endl;
if (rootOne->Type() != rootTwo->Type()) {
Cerr << "Node in " << fileOne << " at [" << rootOnePos.Row << ":" << rootOnePos.Column << "] type is " << rootOne->Type() << Endl;
Cerr << "Node in " << fileTwo << " at [" << rootTwoPos.Row << ":" << rootTwoPos.Column << "] type is " << rootTwo->Type() << Endl;
Cerr << "\nFile diff:\n" << diff;
} else if (rootOne->ChildrenSize() != rootTwo->ChildrenSize()) {
Cerr << "Node '" << rootOne->Content() << "' in " << fileOne << " at [" << rootOnePos.Row << ":" << rootOnePos.Column << "] has " << rootOne->ChildrenSize() << " children." << Endl;
Cerr << "Node '" << rootTwo->Content() << "' in " << fileTwo << " at [" << rootTwoPos.Row << ":" << rootTwoPos.Column << "] has " << rootTwo->ChildrenSize() << " children." << Endl;
DumpSmallNodes(rootOne, rootTwo);
Cerr << "\nFile diff:\n" << diff;
} else {
Cerr << "Node in " << fileOne << " at [" << rootOnePos.Row << ":" << rootOnePos.Column << "]:";
Cerr << "Node in " << fileTwo << " at [" << rootTwoPos.Row << ":" << rootTwoPos.Column << "]:";
DumpSmallNodes(rootOne, rootTwo);
Cerr << "\nFile diff:\n" << diff;
}
return 5;
}
return 0;
}
int main(int argc, const char *argv[]) {
NYql::NBacktrace::RegisterKikimrFatalActions();
NYql::NBacktrace::EnableKikimrSymbolize();
try {
return Main(argc, argv);
}
catch (...) {
Cerr << CurrentExceptionMessage() << Endl;
return 1;
}
}
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