library/cpp/pire: Tab to space

```
$ ya-subst '\t' '    '
$ ya-subst '\s+$' ''
```
commit_hash:402b2f02694cb6fae6bd903d31e429e1cc9a5d4b

1 files changed, 170 insertions, 170 deletions

diff --git a/library/cpp/regex/pire/inline/inline.l b/library/cpp/regex/pire/inline/inline.l
index a198ab9f978..72c1e32c6ab 100644
--- a/library/cpp/regex/pire/inline/inline.l
+++ b/library/cpp/regex/pire/inline/inline.l
@@ -47,27 +47,27 @@ static int isatty(int) { return 0; }
 
 class Die {
 public:
-	Die() {
-		Msg = filename.empty() ? "pire_inline" : (filename + ":" + ToString(line) + ":");
-	}
+    Die() {
+        Msg = filename.empty() ? "pire_inline" : (filename + ":" + ToString(line) + ":");
+    }
 
 
-	template<class T>
-	Die& operator << (const T& t) {
-		Msg += ToString(t);
-		return *this;
-	}
+    template<class T>
+    Die& operator << (const T& t) {
+        Msg += ToString(t);
+        return *this;
+    }
 
 
-	~Die() {
-		fprintf(stderr, "%s\n", Msg.c_str());
-		exit(1);
-	}
+    ~Die() {
+        fprintf(stderr, "%s\n", Msg.c_str());
+        exit(1);
+    }
 private:
-	ystring Msg;
+    ystring Msg;
 };
 Die DieHelper() {
-	return Die();
+    return Die();
 }
 
 void putChar(char c) { putc(c, yyout); }
@@ -90,115 +90,115 @@ void eatComment(void (*action)(char));
 
 <INITIAL>"PIRE_REGEXP"[:space:]*"(" { BEGIN(Regexp); args.clear(); args.push_back(ystring()); }
 <Regexp>"\""([^\"]|\\.)*"\"" {
-	ystring& s = args.back();
-	const char* p;
-	for (p = yytext + 1; *p && p[1]; ++p) {
-		if (*p == '\\') {
-			++p;
-			if (!*p)
-				Die() << "string ends with a backslash";
-			else if (*p == '\'' || *p == '\"' || *p == '\\')
-				s.push_back(*p);
-			else if (*p == 'n')
-				s.push_back('\n');
-			else if (*p == 't')
-				s.push_back('\t');
-			else if (isdigit(*p)) {
-				const char* beg = p;
-				while (isdigit(*p))
-					++p;
-				s.push_back(strtol(ystring(beg, p).c_str(), 0, 8));
-			} else if (*p == 'x') {
-				const char* beg = p;
-				while (isdigit(*p) || (*p > 'a' && *p <= 'f') || (*p > 'A' && *p < 'F'))
-					++p;
-				s.push_back(strtol(ystring(beg, p).c_str(), 0, 16));
-			} else
-				Die() << "unknown escape sequence (\\" <<  *p << ")";
-		} else
-			s.push_back(*p);
-	}
-	if (!*p)
-		Die() << "string ends with a backslash";
+    ystring& s = args.back();
+    const char* p;
+    for (p = yytext + 1; *p && p[1]; ++p) {
+        if (*p == '\\') {
+            ++p;
+            if (!*p)
+                Die() << "string ends with a backslash";
+            else if (*p == '\'' || *p == '\"' || *p == '\\')
+                s.push_back(*p);
+            else if (*p == 'n')
+                s.push_back('\n');
+            else if (*p == 't')
+                s.push_back('\t');
+            else if (isdigit(*p)) {
+                const char* beg = p;
+                while (isdigit(*p))
+                    ++p;
+                s.push_back(strtol(ystring(beg, p).c_str(), 0, 8));
+            } else if (*p == 'x') {
+                const char* beg = p;
+                while (isdigit(*p) || (*p > 'a' && *p <= 'f') || (*p > 'A' && *p < 'F'))
+                    ++p;
+                s.push_back(strtol(ystring(beg, p).c_str(), 0, 16));
+            } else
+                Die() << "unknown escape sequence (\\" <<  *p << ")";
+        } else
+            s.push_back(*p);
+    }
+    if (!*p)
+        Die() << "string ends with a backslash";
 }
 <Regexp>[ \t]            {}
 <Regexp>\n               { ++line; }
 <Regexp>","              { args.push_back(ystring()); }
 <Regexp>")" {
 
-	if (args.size() & 1 || args.empty())
-		Die() << "Usage: PIRE_REGEXP(\"regexp1\", \"flags1\" [, \"regexp2\", \"flags2\" [,...] ])";
-
-	bool first = true;
-	Pire::Scanner sc;
-	ystring pattern;
-	for (auto i = args.begin(), ie = args.end(); i != ie; i += 2) {
-
-		Pire::Lexer lexer(i->c_str(), i->c_str() + i->size());
-		bool surround = false;
-		bool greedy = false;
-		bool reverse = false;
-		for (const char* option = (i+1)->c_str(); *option; ++option) {
-			if (*option == 'i')
-				lexer.AddFeature(Pire::Features::CaseInsensitive());
-			else if (*option == 'u')
-				lexer.SetEncoding(Pire::Encodings::Utf8());
-			else if (*option == 's')
-				surround = true;
-			else if (*option == 'a')
-				lexer.AddFeature(Pire::Features::AndNotSupport());
-			else if (*option == 'g')
-				greedy = true;
-			else if (*option == 'r')
-				reverse = true;
-			else
-				Die() << "unknown option " <<  *option << "";
-		}
-
-		Pire::Fsm fsm;
-		try {
-			fsm = lexer.Parse();
-		}
-		catch (std::exception& e) {
-			Die() << "" << filename << ":" <<  line << ": " <<  e.what() << "";
-		}
-		if (reverse)
-			fsm.Reverse();
-		if (greedy && surround)
-			Die() << "greedy and surround options are incompatible";
-		if (greedy)
-			fsm = ~fsm.Surrounded() + fsm;
-		else if (surround)
-			fsm.Surround();
-
-		Pire::Scanner tsc(fsm);
-		if (first) {
-			pattern = *i;
-			first = false;
-			tsc.Swap(sc);
-		} else {
-			sc = Pire::Scanner::Glue(sc, tsc);
-			pattern += " | ";
-			pattern += *i;
-		}
-	}
-
-	BufferOutput buf;
-	AlignedOutput stream(&buf);
-	Save(&stream, sc);
-
-	fprintf(yyout, "Pire::MmappedScanner<Pire::Scanner>(PIRE_LITERAL( // %s \n    \"", pattern.c_str());
-	size_t pos = 5;
-	for (auto i = buf.Buffer().Begin(), ie = buf.Buffer().End(); i != ie; ++i) {
-		pos += fprintf(yyout, "\\x%02X", static_cast<unsigned char>(*i));
-		if (pos >= 78) {
-			fprintf(yyout, "\"\n    \"");
-			pos = 5;
-		}
-	}
-	fprintf(yyout, "\"), %u)\n#line %d \"%s\"\n",
-		(unsigned int) buf.Buffer().Size(), line, filename.c_str());
-	BEGIN(INITIAL);
+    if (args.size() & 1 || args.empty())
+        Die() << "Usage: PIRE_REGEXP(\"regexp1\", \"flags1\" [, \"regexp2\", \"flags2\" [,...] ])";
+
+    bool first = true;
+    Pire::Scanner sc;
+    ystring pattern;
+    for (auto i = args.begin(), ie = args.end(); i != ie; i += 2) {
+
+        Pire::Lexer lexer(i->c_str(), i->c_str() + i->size());
+        bool surround = false;
+        bool greedy = false;
+        bool reverse = false;
+        for (const char* option = (i+1)->c_str(); *option; ++option) {
+            if (*option == 'i')
+                lexer.AddFeature(Pire::Features::CaseInsensitive());
+            else if (*option == 'u')
+                lexer.SetEncoding(Pire::Encodings::Utf8());
+            else if (*option == 's')
+                surround = true;
+            else if (*option == 'a')
+                lexer.AddFeature(Pire::Features::AndNotSupport());
+            else if (*option == 'g')
+                greedy = true;
+            else if (*option == 'r')
+                reverse = true;
+            else
+                Die() << "unknown option " <<  *option << "";
+        }
+
+        Pire::Fsm fsm;
+        try {
+            fsm = lexer.Parse();
+        }
+        catch (std::exception& e) {
+            Die() << "" << filename << ":" <<  line << ": " <<  e.what() << "";
+        }
+        if (reverse)
+            fsm.Reverse();
+        if (greedy && surround)
+            Die() << "greedy and surround options are incompatible";
+        if (greedy)
+            fsm = ~fsm.Surrounded() + fsm;
+        else if (surround)
+            fsm.Surround();
+
+        Pire::Scanner tsc(fsm);
+        if (first) {
+            pattern = *i;
+            first = false;
+            tsc.Swap(sc);
+        } else {
+            sc = Pire::Scanner::Glue(sc, tsc);
+            pattern += " | ";
+            pattern += *i;
+        }
+    }
+
+    BufferOutput buf;
+    AlignedOutput stream(&buf);
+    Save(&stream, sc);
+
+    fprintf(yyout, "Pire::MmappedScanner<Pire::Scanner>(PIRE_LITERAL( // %s \n    \"", pattern.c_str());
+    size_t pos = 5;
+    for (auto i = buf.Buffer().Begin(), ie = buf.Buffer().End(); i != ie; ++i) {
+        pos += fprintf(yyout, "\\x%02X", static_cast<unsigned char>(*i));
+        if (pos >= 78) {
+            fprintf(yyout, "\"\n    \"");
+            pos = 5;
+        }
+    }
+    fprintf(yyout, "\"), %u)\n#line %d \"%s\"\n",
+        (unsigned int) buf.Buffer().Size(), line, filename.c_str());
+    BEGIN(INITIAL);
 }
 <INITIAL>.               { putc(*yytext, yyout); }
 
@@ -209,26 +209,26 @@ void eatComment(void (*action)(char));
 
 void eatComment(void (*action)(char))
 {
-	int c;
-	action('/'); action('*');
-	for (;;) {
-		while ((c = yyinput()) != EOF && c != '*') {
-			if (c == '\n')
-				++line;
-			action(c);
-		}
-		if (c == '*') {
-			action(c);
-			while ((c = yyinput()) == '*')
-				action(c);
-			if (c == '/') {
-				action(c);
-				break;
-			}
-		}
-		if (c == EOF)
-			Die() << "EOF in comment";
-	}
+    int c;
+    action('/'); action('*');
+    for (;;) {
+        while ((c = yyinput()) != EOF && c != '*') {
+            if (c == '\n')
+                ++line;
+            action(c);
+        }
+        if (c == '*') {
+            action(c);
+            while ((c = yyinput()) == '*')
+                action(c);
+            if (c == '/') {
+                action(c);
+                break;
+            }
+        }
+        if (c == EOF)
+            Die() << "EOF in comment";
+    }
 }
 
 int yywrap() { return 1; }
@@ -236,37 +236,37 @@ int yywrap() { return 1; }
 
 int main(int argc, char** argv)
 {
-	// Suppress warnings
-	static_cast<void>(&yy_fatal_error);
-	static_cast<void>(&yyunput);
-
-
-	try {
-		const char* outfile = 0;
-		if (argc >= 3 && !strcmp(argv[1], "-o")) {
-			outfile = argv[2];
-			argv += 2, argc -= 2;
-		}
-		if (argc == 2)
-			filename = ystring(argv[1]);
-		else if (argc > 2)
-			Die() << "usage: pire_inline [-o outfile] [infile]";
-
-		yyin = stdin, yyout = stdout;
-		if (outfile && (yyout = fopen(outfile, "w")) == NULL)
-			Die() << "cannot open file " <<  outfile << " for writing";
-		if (!filename.empty()) {
-			if ((yyin = fopen(filename.c_str(), "r")) == NULL)
-				Die() << "cannot open file " << filename.c_str() << "\n";
-	} else
-			filename = "(stdin)";
-
-
-		yylex();
-		return 0;
-	}
-	catch (std::exception& e) {
-		fprintf(stderr, "%s\n", e.what());
-		return 1;
-	}
+    // Suppress warnings
+    static_cast<void>(&yy_fatal_error);
+    static_cast<void>(&yyunput);
+
+
+    try {
+        const char* outfile = 0;
+        if (argc >= 3 && !strcmp(argv[1], "-o")) {
+            outfile = argv[2];
+            argv += 2, argc -= 2;
+        }
+        if (argc == 2)
+            filename = ystring(argv[1]);
+        else if (argc > 2)
+            Die() << "usage: pire_inline [-o outfile] [infile]";
+
+        yyin = stdin, yyout = stdout;
+        if (outfile && (yyout = fopen(outfile, "w")) == NULL)
+            Die() << "cannot open file " <<  outfile << " for writing";
+        if (!filename.empty()) {
+            if ((yyin = fopen(filename.c_str(), "r")) == NULL)
+                Die() << "cannot open file " << filename.c_str() << "\n";
+    } else
+            filename = "(stdin)";
+
+
+        yylex();
+        return 0;
+    }
+    catch (std::exception& e) {
+        fprintf(stderr, "%s\n", e.what());
+        return 1;
+    }
 }