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* Convert C comments to C++ style (why are some one way, some another?!) 

* Delete extra space, extra blank comment lines
* Convert function comments to doxygen

llvm-svn: 11336
This commit is contained in:
Misha Brukman 2004-02-12 00:00:46 +00:00
parent b22186adf0
commit a01b30bbaa
1 changed files with 14 additions and 30 deletions
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44
llvm/utils/TableGen/FileLexer.l
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@ -1,4 +1,4 @@
/*===-- FileLexer.l - Scanner for TableGen Files ----------------*- C++ -*-===//
//===-- FileLexer.l - Scanner for TableGen Files ----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
@ -10,7 +10,7 @@
// This file defines a simple flex scanner for TableGen files. This is pretty
// straight-forward, except for the magic to handle file inclusion.
//
//===----------------------------------------------------------------------===*/
//===----------------------------------------------------------------------===//
%option prefix="File"
%option yylineno
@ -38,7 +38,8 @@ namespace llvm {
// Global variable recording the location of the include directory
std::string IncludeDirectory;
// ParseInt - This has to handle the special case of binary numbers 0b0101
/// ParseInt - This has to handle the special case of binary numbers 0b0101
///
static int ParseInt(const char *Str) {
if (Str[0] == '0' && Str[1] == 'b')
return strtol(Str+2, 0, 2);
@ -60,7 +61,6 @@ struct IncludeRec {
static std::vector<IncludeRec> IncludeStack;
std::ostream &err() {
if (IncludeStack.empty())
return std::cerr << "At end of input: ";
@ -72,19 +72,8 @@ std::ostream &err() {
<< Filelineno << ": ";
}
//
// Function: ParseFile()
//
// Description:
// This function begins the parsing of the specified tablegen file.
//
// Inputs:
// Filename - A string containing the name of the file to parse.
// IncludeDir - A string containing the directory from which include
// files can be found.
//
/// ParseFile - this function begins the parsing of the specified tablegen file.
///
void ParseFile(const std::string &Filename, const std::string & IncludeDir) {
FILE *F = stdin;
if (Filename != "-") {
@ -99,10 +88,8 @@ void ParseFile(const std::string &Filename, const std::string & IncludeDir) {
IncludeStack.push_back(IncludeRec("<stdin>", stdin));
}
//
// Record the location of the include directory so that the lexer can find
// it later.
//
IncludeDirectory = IncludeDir;
Filein = F;
@ -111,8 +98,9 @@ void ParseFile(const std::string &Filename, const std::string & IncludeDir) {
Filein = stdin;
}
// HandleInclude - This function is called when an include directive is
// encountered in the input stream...
/// HandleInclude - This function is called when an include directive is
/// encountered in the input stream...
///
static void HandleInclude(const char *Buffer) {
unsigned Length = yyleng;
assert(Buffer[Length-1] == '"');
@ -133,14 +121,11 @@ static void HandleInclude(const char *Buffer) {
// Open the new input file...
yyin = fopen(Filename.c_str(), "r");
if (yyin == 0) {
//
// If we couldn't find the file in the current directory, look for it in
// the include directories.
//
// NOTE:
// Right now, there is only one directory. We need to eventually add
// support for more.
//
// NOTE: Right now, there is only one directory. We need to eventually add
// support for more.
Filename = IncludeDirectory + "/" + Filename;
yyin = fopen(Filename.c_str(), "r");
if (yyin == 0) {
@ -157,10 +142,9 @@ static void HandleInclude(const char *Buffer) {
yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
}
// yywrap - This is called when the lexer runs out of input in one of the files.
// Switch back to an includer if an includee has run out of input.
//
/// yywrap - This is called when the lexer runs out of input in one of the
/// files. Switch back to an includer if an includee has run out of input.
///
extern "C"
int yywrap() {
if (IncludeStack.back().File != stdin)