347 lines
7.8 KiB
C++
347 lines
7.8 KiB
C++
/*=========================================================================
|
|
|
|
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()
|
|
{
|
|
this->FileLine = -1;
|
|
this->FileName = 0;
|
|
this->RemoveEmpty = true;
|
|
this->EmptyVariable[0] = 0;
|
|
strcpy(this->DCURLYVariable, "${");
|
|
strcpy(this->RCURLYVariable, "}");
|
|
strcpy(this->ATVariable, "@");
|
|
strcpy(this->DOLLARVariable, "$");
|
|
strcpy(this->LCURLYVariable, "{");
|
|
strcpy(this->BSLASHVariable, "\\");
|
|
|
|
this->NoEscapeMode = false;
|
|
this->ReplaceAtSyntax = false;
|
|
this->AtOnly = false;
|
|
}
|
|
|
|
|
|
cmCommandArgumentParserHelper::~cmCommandArgumentParserHelper()
|
|
{
|
|
this->CleanupParser();
|
|
}
|
|
|
|
void cmCommandArgumentParserHelper::SetLineFile(long line, const char* file)
|
|
{
|
|
this->FileLine = line;
|
|
this->FileName = file;
|
|
}
|
|
|
|
char* cmCommandArgumentParserHelper::AddString(const char* str)
|
|
{
|
|
if ( !str || !*str )
|
|
{
|
|
return this->EmptyVariable;
|
|
}
|
|
char* stVal = new char[strlen(str)+1];
|
|
strcpy(stVal, str);
|
|
this->Variables.push_back(stVal);
|
|
return stVal;
|
|
}
|
|
|
|
char* cmCommandArgumentParserHelper::ExpandSpecialVariable(const char* key,
|
|
const char* var)
|
|
{
|
|
if ( !key )
|
|
{
|
|
return this->ExpandVariable(var);
|
|
}
|
|
if(this->AtOnly)
|
|
{
|
|
std::string ref = "$";
|
|
ref += key;
|
|
ref += "{";
|
|
if(var)
|
|
{
|
|
ref += var;
|
|
}
|
|
ref += "}";
|
|
return this->AddString(ref.c_str());
|
|
}
|
|
if ( strcmp(key, "ENV") == 0 )
|
|
{
|
|
char *ptr = getenv(var);
|
|
if (ptr)
|
|
{
|
|
if (this->EscapeQuotes)
|
|
{
|
|
return this->AddString(cmSystemTools::EscapeQuotes(ptr).c_str());
|
|
}
|
|
else
|
|
{
|
|
return ptr;
|
|
}
|
|
}
|
|
return this->EmptyVariable;
|
|
}
|
|
cmSystemTools::Error("Key ", key,
|
|
" is not used yet. For now only $ENV{..} is allowed");
|
|
return 0;
|
|
}
|
|
|
|
char* cmCommandArgumentParserHelper::ExpandVariable(const char* var,
|
|
bool doingAt)
|
|
{
|
|
// if we are in AtOnly mode, and we are not expanding an @ variable
|
|
// then put back the ${var} unexpanded
|
|
if(!doingAt && this->AtOnly)
|
|
{
|
|
std::string ref = "${";
|
|
if(var)
|
|
{
|
|
ref += var;
|
|
}
|
|
ref += "}";
|
|
return this->AddString(ref.c_str());
|
|
}
|
|
if(!var)
|
|
{
|
|
return 0;
|
|
}
|
|
if(this->FileName && strcmp(var, "CMAKE_CURRENT_LIST_FILE") == 0)
|
|
{
|
|
return this->AddString(this->FileName);
|
|
}
|
|
else if(this->FileLine >= 0 && strcmp(var, "CMAKE_CURRENT_LIST_LINE") == 0)
|
|
{
|
|
cmOStringStream ostr;
|
|
ostr << this->FileLine;
|
|
return this->AddString(ostr.str().c_str());
|
|
}
|
|
const char* value = this->Makefile->GetDefinition(var);
|
|
if(!value && !this->RemoveEmpty)
|
|
{
|
|
return 0;
|
|
}
|
|
if (this->EscapeQuotes && value)
|
|
{
|
|
return this->AddString(cmSystemTools::EscapeQuotes(value).c_str());
|
|
}
|
|
return this->AddString(value);
|
|
}
|
|
|
|
char* cmCommandArgumentParserHelper::ExpandVariableForAt(const char* var)
|
|
{
|
|
if(this->ReplaceAtSyntax)
|
|
{
|
|
// try to expand the variable
|
|
char* ret = this->ExpandVariable(var, true);
|
|
// if the return was 0 and we want to replace empty strings
|
|
// then return an empty string
|
|
if(!ret && this->RemoveEmpty)
|
|
{
|
|
return this->AddString(ret);
|
|
}
|
|
// if the ret was not 0, then return it
|
|
if(ret)
|
|
{
|
|
return ret;
|
|
}
|
|
}
|
|
// at this point we want to put it back because of one of these cases:
|
|
// - this->ReplaceAtSyntax is false
|
|
// - this->ReplaceAtSyntax is true, but this->RemoveEmpty is false,
|
|
// and the variable was not defined
|
|
std::string ref = "@";
|
|
ref += var;
|
|
ref += "@";
|
|
return this->AddString(ref.c_str());
|
|
}
|
|
|
|
char* cmCommandArgumentParserHelper::CombineUnions(char* in1, char* in2)
|
|
{
|
|
if ( !in1 )
|
|
{
|
|
return in2;
|
|
}
|
|
else if ( !in2 )
|
|
{
|
|
return in1;
|
|
}
|
|
size_t len = strlen(in1) + strlen(in2) + 1;
|
|
char* out = new char [ len ];
|
|
strcpy(out, in1);
|
|
strcat(out, in2);
|
|
this->Variables.push_back(out);
|
|
return out;
|
|
}
|
|
|
|
void cmCommandArgumentParserHelper::AllocateParserType
|
|
(cmCommandArgumentParserHelper::ParserType* pt,const char* str, int len)
|
|
{
|
|
pt->str = 0;
|
|
if ( len == 0 )
|
|
{
|
|
len = static_cast<int>(strlen(str));
|
|
}
|
|
if ( len == 0 )
|
|
{
|
|
return;
|
|
}
|
|
pt->str = new char[ len + 1 ];
|
|
strncpy(pt->str, str, len);
|
|
pt->str[len] = 0;
|
|
this->Variables.push_back(pt->str);
|
|
}
|
|
|
|
bool cmCommandArgumentParserHelper::HandleEscapeSymbol
|
|
(cmCommandArgumentParserHelper::ParserType* pt, char symbol)
|
|
{
|
|
switch ( symbol )
|
|
{
|
|
case '\\':
|
|
case '"':
|
|
case ' ':
|
|
case '#':
|
|
case '(':
|
|
case ')':
|
|
case '$':
|
|
case '@':
|
|
case '^':
|
|
this->AllocateParserType(pt, &symbol, 1);
|
|
break;
|
|
case ';':
|
|
this->AllocateParserType(pt, "\\;", 2);
|
|
break;
|
|
case 't':
|
|
this->AllocateParserType(pt, "\t", 1);
|
|
break;
|
|
case 'n':
|
|
this->AllocateParserType(pt, "\n", 1);
|
|
break;
|
|
case 'r':
|
|
this->AllocateParserType(pt, "\r", 1);
|
|
break;
|
|
case '0':
|
|
this->AllocateParserType(pt, "\0", 1);
|
|
break;
|
|
default:
|
|
char buffer[2];
|
|
buffer[0] = symbol;
|
|
buffer[1] = 0;
|
|
cmSystemTools::Error("Invalid escape sequence \\", buffer);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void cmCommandArgument_SetupEscapes(yyscan_t yyscanner, bool noEscapes);
|
|
|
|
int cmCommandArgumentParserHelper::ParseString(const char* str, int verb)
|
|
{
|
|
if ( !str)
|
|
{
|
|
return 0;
|
|
}
|
|
this->Verbose = verb;
|
|
this->InputBuffer = str;
|
|
this->InputBufferPos = 0;
|
|
this->CurrentLine = 0;
|
|
|
|
this->Result = "";
|
|
|
|
yyscan_t yyscanner;
|
|
cmCommandArgument_yylex_init(&yyscanner);
|
|
cmCommandArgument_yyset_extra(this, yyscanner);
|
|
cmCommandArgument_SetupEscapes(yyscanner, this->NoEscapeMode);
|
|
int res = cmCommandArgument_yyparse(yyscanner);
|
|
cmCommandArgument_yylex_destroy(yyscanner);
|
|
if ( res != 0 )
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
this->CleanupParser();
|
|
|
|
if ( Verbose )
|
|
{
|
|
std::cerr << "Expanding [" << str << "] produced: ["
|
|
<< this->Result.c_str() << "]" << std::endl;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void cmCommandArgumentParserHelper::CleanupParser()
|
|
{
|
|
std::vector<char*>::iterator sit;
|
|
for ( sit = this->Variables.begin();
|
|
sit != this->Variables.end();
|
|
++ sit )
|
|
{
|
|
delete [] *sit;
|
|
}
|
|
this->Variables.erase(this->Variables.begin(), this->Variables.end());
|
|
}
|
|
|
|
int cmCommandArgumentParserHelper::LexInput(char* buf, int maxlen)
|
|
{
|
|
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);
|
|
cmOStringStream ostr;
|
|
ostr << str << " (" << pos << ")";
|
|
this->ErrorString = ostr.str();
|
|
}
|
|
|
|
void cmCommandArgumentParserHelper::SetMakefile(const cmMakefile* mf)
|
|
{
|
|
this->Makefile = mf;
|
|
}
|
|
|
|
void cmCommandArgumentParserHelper::SetResult(const char* value)
|
|
{
|
|
if ( !value )
|
|
{
|
|
this->Result = "";
|
|
return;
|
|
}
|
|
this->Result = value;
|
|
}
|
|
|