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ENH: Initial import (not working yet)

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This commit is contained in:
Andy Cedilnik 2005-06-08 10:41:05 -04:00
parent 894fa6a8c7
commit 2f42e93427
4 changed files with 799 additions and 0 deletions
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115
Source/cmCommandArgumentLexer.in.l Normal file
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%{
/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
/*
This file must be translated to C and modified to build everywhere.
Run flex like this:
flex --prefix=cmCommandArgument_yy --header-file=cmCommandArgumentLexer.h -ocmCommandArgumentLexer.cxx cmCommandArgumentLexer.in.l
Modify cmCommandArgumentLexer.cxx:
- remove TABs
- remove "yyscanner" argument from these methods:
yy_fatal_error, yyalloc, yyrealloc, yyfree
- remove all YY_BREAK lines occurring right after return statements
- change while ( 1 ) to for(;;)
Modify cmCommandArgumentLexer.h:
- remove TABs
- remove the yy_init_globals function
- remove the block that includes unistd.h
- remove #line directives (avoids bogus warning on old Sun)
*/
#include "cmCommandArgumentParserHelper.h"
/* Disable some warnings. */
#if defined(_MSC_VER)
# pragma warning ( disable : 4127 )
# pragma warning ( disable : 4131 )
# pragma warning ( disable : 4244 )
# pragma warning ( disable : 4251 )
# pragma warning ( disable : 4267 )
# pragma warning ( disable : 4305 )
# pragma warning ( disable : 4309 )
# pragma warning ( disable : 4706 )
# pragma warning ( disable : 4786 )
#endif
/* Disable features we do not need. */
#define YY_NEVER_INTERACTIVE 1
#undef ECHO /* SGI termios defines this differently. */
#define ECHO
/* Replace the lexer input function. */
#undef YY_INPUT
#define YY_INPUT(buf, result, max_size) \
{ result = yyextra->LexInput(buf, max_size); }
/* Include the set of tokens from the parser. */
#include "cmCommandArgumentParserTokens.h"
#if defined( _WIN32 ) && !defined( __CYGWIN__ )
/* Handle Windows properly */
# include <io.h>
# if defined( _MSC_VER )
# define isatty _isatty
# endif
# define YY_NO_UNISTD_H 1
#endif
/*--------------------------------------------------------------------------*/
%}
%option reentrant
%option noyywrap
%pointer
%%
"$[A-Za-z0-9_]+{" {
yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
return cal_NCURLY;
}
"${" {
return cal_DCURLY;
}
"}" {
return cal_RCURLY;
}
"@" {
return cal_AT;
}
[A-Za-z0-9_]+ {
yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
return cal_NAME;
}
([^A-Za-z0-9_$}\\@]+|\.) {
yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
return cal_SYMBOL;
}
%%

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%{
/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
/*
This file must be translated to C and modified to build everywhere.
Run bison like this:
bison --yacc --name-prefix=cmCommandArgument_yy --defines=cmCommandArgumentParserTokens.h -ocmCommandArgumentParser.cxx cmCommandArgumentParser.y
Modify cmCommandArgumentParser.cxx:
- remove TABs
- add __HP_aCC to the #if test for yyerrorlab warning suppression
*/
/* Configure the parser to use a lexer object. */
#define YYPARSE_PARAM yyscanner
#define YYLEX_PARAM yyscanner
#define YYERROR_VERBOSE 1
#define cmCommandArgument_yyerror(x) \
cmCommandArgumentError(yyscanner, x)
#define yyGetParser (cmCommandArgument_yyget_extra(yyscanner))
/*-------------------------------------------------------------------------*/
#include "cmCommandArgumentParserHelper.h" /* Interface to parser object. */
#include "cmCommandArgumentLexer.h" /* Interface to lexer object. */
#include "cmCommandArgumentParserTokens.h" /* Need YYSTYPE for YY_DECL. */
/* Forward declare the lexer entry point. */
YY_DECL;
/* Internal utility functions. */
static void cmCommandArgumentError(yyscan_t yyscanner, const char* message);
#define YYDEBUG 1
#define YYMAXDEPTH 1000000
#define calCheckEmpty(cnt) yyGetParser->CheckEmpty(__LINE__, cnt, yyvsp);
#define calElementStart(cnt) yyGetParser->PrepareElement(&yyval)
/* Disable some warnings in the generated code. */
#ifdef __BORLANDC__
# pragma warn -8004 /* Variable assigned a value that is not used. */
#endif
#ifdef _MSC_VER
# pragma warning (disable: 4102) /* Unused goto label. */
# pragma warning (disable: 4065) /* Switch statement contains default but no case. */
#endif
%}
/* Generate a reentrant parser object. */
%pure_parser
/*
%union {
char* string;
}
*/
/*-------------------------------------------------------------------------*/
/* Tokens */
%token cal_NCURLY
%token cal_DCURLY
%token cal_RCURLY
%token cal_NAME
%token cal_SYMBOL
%token cal_AT
%token cal_ERROR
/*-------------------------------------------------------------------------*/
/* grammar */
%%
Start:
Goal
{
calElementStart(1);
calCheckEmpty(1);
$<str>$ = 0;
yyGetParser->SetResult($<str>1);
}
Goal:
String
{
calElementStart(1);
calCheckEmpty(1);
$<str>$ = $<str>1;
}
|
String Goal
{
calElementStart(2);
calCheckEmpty(2);
$<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2);
}
String:
TextWithRCurly
{
calElementStart(1);
calCheckEmpty(1);
$<str>$ = $<str>1;
}
|
Variable
{
calElementStart(1);
calCheckEmpty(1);
$<str>$ = $<str>1;
}
MultipleIds:
{
calElementStart(0);
calCheckEmpty(0);
}
|
ID MultipleIds
{
calElementStart(2);
calCheckEmpty(2);
$<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2);
}
ID:
Text
{
calElementStart(1);
calCheckEmpty(1);
$<str>$ = $<str>1;
}
|
Variable
{
calElementStart(1);
calCheckEmpty(1);
$<str>$ = $<str>1;
}
Text:
cal_NAME
{
calElementStart(1);
calCheckEmpty(1);
$<str>$ = $<str>1;
}
|
cal_SYMBOL
{
calElementStart(1);
calCheckEmpty(1);
$<str>$ = $<str>1;
}
TextWithRCurly:
Text
{
calElementStart(1);
calCheckEmpty(1);
$<str>$ = $<str>1;
}
|
cal_RCURLY
{
calElementStart(1);
calCheckEmpty(1);
$<str>$ = $<str>1;
}
Variable:
cal_NCURLY MultipleIds cal_RCURLY
{
calElementStart(3);
calCheckEmpty(3);
$<str>$ = yyGetParser->ExpandSpecialVariable($<str>1,$<str>2);
std::cerr << __LINE__ << " here: [" << $<str>1 << "] [" << $<str>2 << "] [" << $<str>3 << "]" << std::endl;
}
|
cal_DCURLY MultipleIds cal_RCURLY
{
calElementStart(3);
calCheckEmpty(3);
$<str>$ = yyGetParser->ExpandVariable($<str>2);
std::cerr << __LINE__ << " here: [" << $<str>1 << "] [" << $<str>2 << "] [" << $<str>3 << "]" << std::endl;
}
|
cal_AT cal_NAME cal_AT
{
calElementStart(3);
calCheckEmpty(3);
$<str>$ = yyGetParser->ExpandVariable($<str>2);
}
%%
/* End of grammar */
/*--------------------------------------------------------------------------*/
void cmCommandArgumentError(yyscan_t yyscanner, const char* message)
{
yyGetParser->Error(message);
}

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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmCommandArgumentParserHelper.h"
#include "cmSystemTools.h"
#include "cmCommandArgumentLexer.h"
#include "cmMakefile.h"
int cmCommandArgument_yyparse( yyscan_t yyscanner );
cmCommandArgumentParserHelper::cmCommandArgumentParserHelper()
{
m_FileLine = -1;
}
cmCommandArgumentParserHelper::~cmCommandArgumentParserHelper()
{
this->CleanupParser();
}
void cmCommandArgumentParserHelper::SetLineFile(long line, const char* file)
{
m_FileLine = line;
m_FileName = file;
}
char* cmCommandArgumentParserHelper::AddString(const char* str)
{
if ( !str || !*str )
{
return m_EmptyVariable;
}
char* stVal = new char[strlen(str)+1];
strcpy(stVal, str);
return *(m_Variables.insert(stVal).first);
}
char* cmCommandArgumentParserHelper::ExpandSpecialVariable(const char* key, const char* var)
{
if ( !key )
{
return this->ExpandVariable(var);
}
if ( strcmp(key, "ENV") == 0 )
{
char *ptr = getenv(var);
if (ptr)
{
if (m_EscapeQuotes)
{
return this->AddString(cmSystemTools::EscapeQuotes(ptr).c_str());
}
else
{
return ptr;
}
}
return m_EmptyVariable;
}
cmSystemTools::Error("Key ", key, " is not used yet. For now only $ENV{..} is allowed");
return 0;
}
char* cmCommandArgumentParserHelper::ExpandVariable(const char* var)
{
if(var == "CMAKE_CURRENT_LIST_FILE")
{
return this->AddString(m_FileName.c_str());
}
else if(m_FileLine >= 0 && (var == "CMAKE_CURRENT_LIST_LINE"))
{
cmOStringStream ostr;
ostr << m_FileLine;
return this->AddString(ostr.str().c_str());
}
const char* value = m_Makefile->GetDefinition(var);
return this->AddString(value);
}
void cmCommandArgumentParserHelper::DeallocateParserType(char** pt)
{
if (!pt)
{
return;
}
if (!*pt)
{
//*pt = 0;
return;
}
// std::cout << (void*) *pt << " " << *pt << " this->DeallocateParserType" << std::endl;
//delete [] *pt;
*pt = 0;
this->UnionsAvailable --;
}
void cmCommandArgumentParserHelper::SafePrintMissing(const char* str, int line, int cnt)
{
if ( this->Verbose )
{
if ( str )
{
//std::cout << (void*) str << " JPSafePrintMissing" << std::endl;
std::cout << line << " String " << cnt << " exists: ";
unsigned int cc;
for ( cc = 0; cc < strlen(str); cc ++ )
{
unsigned char ch = str[cc];
if ( ch >= 32 && ch <= 126 )
{
std::cout << (char)ch;
}
else
{
std::cout << "<" << (int)ch << ">";
break;
}
}
std::cout << "- " << strlen(str) << std::endl;
}
}
}
void cmCommandArgumentParserHelper::Print(const char* place, const char* str)
{
if ( this->Verbose )
{
std::cout << "[" << place << "=" << str << "]" << std::endl;
}
}
char* cmCommandArgumentParserHelper::CombineUnions(const char* in1, const char* in2)
{
int len = 1;
if ( in1 )
{
len += strlen(in1);
}
if ( in2 )
{
len += strlen(in2);
}
char* out = new char [ len ];
out[0] = 0;
if ( in1 )
{
strcat(out, in1);
}
if ( in2 )
{
strcat(out, in2);
}
return *(m_Variables.insert(out).first);
}
void cmCommandArgumentParserHelper::CheckEmpty(int line, int cnt, cmCommandArgumentParserHelper::ParserType* pt)
{
int cc;
int kk = -cnt + 1;
for ( cc = 1; cc <= cnt; cc ++)
{
cmCommandArgumentParserHelper::ParserType* cpt = pt + kk;
this->SafePrintMissing(cpt->str, line, cc);
kk ++;
}
}
void cmCommandArgumentParserHelper::PrepareElement(cmCommandArgumentParserHelper::ParserType* me)
{
// Inititalize self
me->str = 0;
}
void cmCommandArgumentParserHelper::AllocateParserType(cmCommandArgumentParserHelper::ParserType* pt,
const char* str, int len)
{
pt->str = 0;
if ( len == 0 )
{
len = strlen(str);
}
if ( len == 0 )
{
return;
}
this->UnionsAvailable ++;
pt->str = new char[ len + 1 ];
strncpy(pt->str, str, len);
pt->str[len] = 0;
this->Allocates.push_back(pt->str);
// std::cout << (void*) pt->str << " " << pt->str << " JPAllocateParserType" << std::endl;
}
int cmCommandArgumentParserHelper::ParseString(const char* str, int verb)
{
if ( !str)
{
return 0;
}
//printf("Do some parsing: %s\n", str);
this->Verbose = verb;
this->InputBuffer = str;
this->InputBufferPos = 0;
this->CurrentLine = 0;
m_Result = "";
yyscan_t yyscanner;
cmCommandArgument_yylex_init(&yyscanner);
cmCommandArgument_yyset_extra(this, yyscanner);
int res = cmCommandArgument_yyparse(yyscanner);
cmCommandArgument_yylex_destroy(yyscanner);
if ( res != 0 )
{
std::cout << "JP_Parse returned: " << res << std::endl;
return 0;
}
this->CleanupParser();
if ( Verbose )
{
std::cerr << "Expanding [" << str << "] produced: [" << m_Result.c_str() << "]" << std::endl;
}
return 1;
}
void cmCommandArgumentParserHelper::CleanupParser()
{
std::vector<char*>::iterator it;
for ( it = this->Allocates.begin();
it != this->Allocates.end();
++ it )
{
delete [] *it;
}
std::set<char*>::iterator sit;
for ( sit = m_Variables.begin();
sit != m_Variables.end();
++ sit )
{
delete [] *sit;
}
this->Allocates.erase(this->Allocates.begin(),
this->Allocates.end());
m_Variables.erase(m_Variables.begin(), m_Variables.end());
}
int cmCommandArgumentParserHelper::LexInput(char* buf, int maxlen)
{
//std::cout << "JPLexInput ";
//std::cout.write(buf, maxlen);
//std::cout << std::endl;
if ( maxlen < 1 )
{
return 0;
}
if ( this->InputBufferPos < this->InputBuffer.size() )
{
buf[0] = this->InputBuffer[ this->InputBufferPos++ ];
if ( buf[0] == '\n' )
{
this->CurrentLine ++;
}
return(1);
}
else
{
buf[0] = '\n';
return( 0 );
}
}
void cmCommandArgumentParserHelper::Error(const char* str)
{
unsigned long pos = static_cast<unsigned long>(this->InputBufferPos);
fprintf(stderr, "JPError: %s (%lu / Line: %d)\n", str, pos, this->CurrentLine);
int cc;
std::cerr << "String: [";
for ( cc = 0; cc < 30 && *(this->InputBuffer.c_str() + this->InputBufferPos + cc);
cc ++ )
{
std::cerr << *(this->InputBuffer.c_str() + this->InputBufferPos + cc);
}
std::cerr << "]" << std::endl;
}
void cmCommandArgumentParserHelper::UpdateCombine(const char* str1, const char* str2)
{
if ( this->CurrentCombine == "" && str1 != 0)
{
this->CurrentCombine = str1;
}
this->CurrentCombine += ".";
this->CurrentCombine += str2;
}
int cmCommandArgumentParserHelper::ParseFile(const char* file)
{
if ( !cmSystemTools::FileExists(file))
{
return 0;
}
std::ifstream ifs(file);
if ( !ifs )
{
return 0;
}
cmStdString fullfile = "";
cmStdString line;
while ( cmSystemTools::GetLineFromStream(ifs, line) )
{
fullfile += line + "\n";
}
return this->ParseString(fullfile.c_str(), 0);
}
void cmCommandArgumentParserHelper::Append(const char* str)
{
std::cout << "Append[" << str << "]" << std::endl;
}
void cmCommandArgumentParserHelper::SetMakefile(const cmMakefile* mf)
{
m_Makefile = mf;
}
void cmCommandArgumentParserHelper::SetResult(const char* value)
{
if ( !value )
{
return;
}
m_Result = value;
}

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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef cmCommandArgumentParserHelper_h
#define cmCommandArgumentParserHelper_h
#include "cmStandardIncludes.h"
#define YYSTYPE cmCommandArgumentParserHelper::ParserType
#define YYSTYPE_IS_DECLARED
#define YY_EXTRA_TYPE cmCommandArgumentParserHelper*
#define YY_DECL int cmCommandArgument_yylex(YYSTYPE* yylvalp, yyscan_t yyscanner)
/** \class cmCommandArgumentParserHelper
* \brief Helper class for parsing java source files
*
* Finds dependencies for java file and list of outputs
*/
class cmMakefile;
class cmCommandArgumentParserHelper
{
public:
typedef struct {
char* str;
} ParserType;
cmCommandArgumentParserHelper();
~cmCommandArgumentParserHelper();
int ParseString(const char* str, int verb);
int ParseFile(const char* file);
// For the lexer:
void AllocateParserType(cmCommandArgumentParserHelper::ParserType* pt,
const char* str, int len = 0);
int LexInput(char* buf, int maxlen);
void Error(const char* str);
// For yacc
void AddClassFound(const char* sclass);
void PrepareElement(ParserType* opt);
void DeallocateParserType(char** pt);
void CheckEmpty(int line, int cnt, ParserType* pt);
void StartClass(const char* cls);
void EndClass();
void AddPackagesImport(const char* sclass);
void SetCurrentCombine(const char* cmb) { this->CurrentCombine = cmb; }
const char* GetCurrentCombine() { return this->CurrentCombine.c_str(); }
void UpdateCombine(const char* str1, const char* str2);
void Append(const char* str);
char* CombineUnions(const char* in1, const char* in2);
char* ExpandSpecialVariable(const char* key, const char* var);
char* ExpandVariable(const char* var);
void SetResult(const char* value);
void SetMakefile(const cmMakefile* mf);
std::string& GetResult() { return m_Result; }
void SetLineFile(long line, const char* file);
void SetEscapeQuotes(bool b) { m_EscapeQuotes = b; }
private:
cmStdString::size_type InputBufferPos;
cmStdString InputBuffer;
std::vector<char> OutputBuffer;
int CurrentLine;
int UnionsAvailable;
int Verbose;
std::vector<char*> Allocates;
std::string CurrentCombine;
void PrintClasses();
void Print(const char* place, const char* str);
void SafePrintMissing(const char* str, int line, int cnt);
char* AddString(const char* str);
void CleanupParser();
std::set<char*> m_Variables;
char m_EmptyVariable[1];
const cmMakefile* m_Makefile;
std::string m_Result;
std::string m_FileName;
long m_FileLine;
bool m_EscapeQuotes;
};
#endif