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