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#include "check_runner.h"
#include <yql/essentials/sql/v1/format/sql_format.h>
#include <yql/essentials/sql/v1/lexer/antlr4/lexer.h>
#include <yql/essentials/sql/v1/lexer/antlr4_ansi/lexer.h>
#include <yql/essentials/sql/v1/proto_parser/antlr4/proto_parser.h>
#include <yql/essentials/sql/v1/proto_parser/antlr4_ansi/proto_parser.h>
#include <yql/essentials/core/issue/yql_issue.h>
#include <util/charset/utf8.h>
#include <util/string/builder.h>
namespace NYql {
namespace NFastCheck {
namespace {
constexpr size_t FormatContextLimit = 100;
TString NormalizeEOL(TStringBuf input) {
TStringBuilder res;
TStringBuf tok;
while (input.ReadLine(tok)) {
res << tok << '\n';
}
return res;
}
TString ReplaceHidden(TStringBuf input) {
TStringBuilder res;
for (const auto c : input) {
if (c == ' ') {
res << "\xe2\x80\xa2";
} else if (c == '\t') {
res << "\xe2\x86\x92";
} else {
res << c;
}
}
return res;
}
class TFormatRunner : public ICheckRunner {
public:
TString GetCheckName() const final {
return "format";
}
TCheckResponse Run(const TChecksRequest& request) final {
switch (request.Syntax) {
case ESyntax::SExpr:
return RunSExpr(request);
case ESyntax::PG:
return RunPg(request);
case ESyntax::YQL:
return RunYql(request);
}
}
private:
TCheckResponse RunSExpr(const TChecksRequest& request) {
Y_UNUSED(request);
// no separate check for format here
return TCheckResponse{.CheckName = GetCheckName(), .Success = true};
}
TCheckResponse RunPg(const TChecksRequest& request) {
Y_UNUSED(request);
// no separate check for format here
return TCheckResponse{.CheckName = GetCheckName(), .Success = true};
}
TCheckResponse RunYql(const TChecksRequest& request) {
TCheckResponse res {.CheckName = GetCheckName()};
if (request.SyntaxVersion != 1) {
res.Issues.AddIssue(TIssue({}, "Only SyntaxVersion 1 is supported"));
return res;
}
google::protobuf::Arena arena;
NSQLTranslation::TTranslationSettings settings;
settings.Arena = &arena;
settings.File = request.File;
settings.Antlr4Parser = true;
settings.AnsiLexer = request.IsAnsiLexer;
NSQLTranslationV1::TLexers lexers;
lexers.Antlr4 = NSQLTranslationV1::MakeAntlr4LexerFactory();
lexers.Antlr4Ansi = NSQLTranslationV1::MakeAntlr4AnsiLexerFactory();
NSQLTranslationV1::TParsers parsers;
parsers.Antlr4 = NSQLTranslationV1::MakeAntlr4ParserFactory();
parsers.Antlr4Ansi = NSQLTranslationV1::MakeAntlr4AnsiParserFactory();
auto formatter = NSQLFormat::MakeSqlFormatter(lexers, parsers, settings);
TString formattedQuery;
res.Success = formatter->Format(request.Program, formattedQuery, res.Issues);
if (res.Success && NormalizeEOL(formattedQuery) != NormalizeEOL(request.Program)) {
res.Success = false;
TPosition origPos(0, 1, request.File);
TTextWalker origWalker(origPos, true);
size_t i = 0;
for (; i < Min(request.Program.size(), formattedQuery.size()); ++i) {
if (request.Program[i] == formattedQuery[i]) {
origWalker.Advance(request.Program[i]);
continue;
}
while (i > 0 && IsUTF8ContinuationByte(request.Program[i])) {
--i;
}
break;
}
TString formattedSample = formattedQuery.substr(i, FormatContextLimit);
while (!formattedSample.empty() && IsUTF8ContinuationByte(formattedQuery.back())) {
formattedSample.erase(formattedSample.size() - 1);
}
TString origSample = request.Program.substr(i, FormatContextLimit);
while (!origSample.empty() && IsUTF8ContinuationByte(origSample.back())) {
origSample.erase(origSample.size() - 1);
}
auto issue = TIssue(origPos, TStringBuilder() <<
"Format mismatch, expected:\n" << ReplaceHidden(formattedSample) << "\nbut got:\n" << ReplaceHidden(origSample) << "\n");
issue.SetCode(EYqlIssueCode::TIssuesIds_EIssueCode_WARNING, ESeverity::TSeverityIds_ESeverityId_S_WARNING);
res.Issues.AddIssue(issue);
}
return res;
}
};
}
std::unique_ptr<ICheckRunner> MakeFormatRunner() {
return std::make_unique<TFormatRunner>();
}
}
}
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