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/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmListFileCache.h"
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#include "cmListFileLexer.h"
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#include "cmMakefile.h"
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#include "cmOutputConverter.h"
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#include "cmSystemTools.h"
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#include "cmVersion.h"
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#include <cmsys/RegularExpression.hxx>
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struct cmListFileParser
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{
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cmListFileParser(cmListFile* lf, cmMakefile* mf, const char* filename);
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~cmListFileParser();
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bool ParseFile();
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bool ParseFunction(const char* name, long line);
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bool AddArgument(cmListFileLexer_Token* token,
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cmListFileArgument::Delimiter delim);
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cmListFile* ListFile;
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cmMakefile* Makefile;
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const char* FileName;
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cmListFileLexer* Lexer;
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cmListFileFunction Function;
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enum
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{
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SeparationOkay,
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SeparationWarning,
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SeparationError
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} Separation;
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};
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cmListFileParser::cmListFileParser(cmListFile* lf, cmMakefile* mf,
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const char* filename)
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: ListFile(lf)
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, Makefile(mf)
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, FileName(filename)
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, Lexer(cmListFileLexer_New())
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{
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}
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cmListFileParser::~cmListFileParser()
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{
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cmListFileLexer_Delete(this->Lexer);
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}
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bool cmListFileParser::ParseFile()
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{
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// Open the file.
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cmListFileLexer_BOM bom;
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if (!cmListFileLexer_SetFileName(this->Lexer, this->FileName, &bom)) {
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cmSystemTools::Error("cmListFileCache: error can not open file ",
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this->FileName);
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return false;
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}
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// Verify the Byte-Order-Mark, if any.
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if (bom != cmListFileLexer_BOM_None && bom != cmListFileLexer_BOM_UTF8) {
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cmListFileLexer_SetFileName(this->Lexer, 0, 0);
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std::ostringstream m;
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m << "File\n " << this->FileName << "\n"
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<< "starts with a Byte-Order-Mark that is not UTF-8.";
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this->Makefile->IssueMessage(cmake::FATAL_ERROR, m.str());
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return false;
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}
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// Use a simple recursive-descent parser to process the token
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// stream.
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bool haveNewline = true;
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while (cmListFileLexer_Token* token = cmListFileLexer_Scan(this->Lexer)) {
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if (token->type == cmListFileLexer_Token_Space) {
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} else if (token->type == cmListFileLexer_Token_Newline) {
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haveNewline = true;
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} else if (token->type == cmListFileLexer_Token_CommentBracket) {
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haveNewline = false;
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} else if (token->type == cmListFileLexer_Token_Identifier) {
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if (haveNewline) {
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haveNewline = false;
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if (this->ParseFunction(token->text, token->line)) {
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this->ListFile->Functions.push_back(this->Function);
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} else {
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return false;
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}
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} else {
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std::ostringstream error;
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error << "Error in cmake code at\n"
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<< this->FileName << ":" << token->line << ":\n"
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<< "Parse error. Expected a newline, got "
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<< cmListFileLexer_GetTypeAsString(this->Lexer, token->type)
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<< " with text \"" << token->text << "\".";
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cmSystemTools::Error(error.str().c_str());
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return false;
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}
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} else {
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std::ostringstream error;
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error << "Error in cmake code at\n"
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<< this->FileName << ":" << token->line << ":\n"
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<< "Parse error. Expected a command name, got "
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<< cmListFileLexer_GetTypeAsString(this->Lexer, token->type)
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<< " with text \"" << token->text << "\".";
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cmSystemTools::Error(error.str().c_str());
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return false;
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}
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}
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return true;
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}
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bool cmListFile::ParseFile(const char* filename, bool topLevel, cmMakefile* mf)
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{
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if (!cmSystemTools::FileExists(filename) ||
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cmSystemTools::FileIsDirectory(filename)) {
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return false;
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}
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bool parseError = false;
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{
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cmListFileParser parser(this, mf, filename);
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parseError = !parser.ParseFile();
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}
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// do we need a cmake_policy(VERSION call?
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if (topLevel) {
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bool hasVersion = false;
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// search for the right policy command
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for (std::vector<cmListFileFunction>::iterator i = this->Functions.begin();
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i != this->Functions.end(); ++i) {
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if (cmSystemTools::LowerCase(i->Name) == "cmake_minimum_required") {
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hasVersion = true;
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break;
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}
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}
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// if no policy command is found this is an error if they use any
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// non advanced functions or a lot of functions
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if (!hasVersion) {
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bool isProblem = true;
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if (this->Functions.size() < 30) {
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// the list of simple commands DO NOT ADD TO THIS LIST!!!!!
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// these commands must have backwards compatibility forever and
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// and that is a lot longer than your tiny mind can comprehend mortal
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std::set<std::string> allowedCommands;
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allowedCommands.insert("project");
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allowedCommands.insert("set");
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allowedCommands.insert("if");
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allowedCommands.insert("endif");
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allowedCommands.insert("else");
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allowedCommands.insert("elseif");
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allowedCommands.insert("add_executable");
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allowedCommands.insert("add_library");
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allowedCommands.insert("target_link_libraries");
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allowedCommands.insert("option");
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allowedCommands.insert("message");
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isProblem = false;
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for (std::vector<cmListFileFunction>::iterator i =
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this->Functions.begin();
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i != this->Functions.end(); ++i) {
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std::string name = cmSystemTools::LowerCase(i->Name);
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if (allowedCommands.find(name) == allowedCommands.end()) {
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isProblem = true;
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break;
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}
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}
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}
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if (isProblem) {
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// Tell the top level cmMakefile to diagnose
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// this violation of CMP0000.
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mf->SetCheckCMP0000(true);
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// Implicitly set the version for the user.
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mf->SetPolicyVersion("2.4");
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}
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}
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}
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if (topLevel) {
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bool hasProject = false;
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// search for a project command
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for (std::vector<cmListFileFunction>::iterator i = this->Functions.begin();
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i != this->Functions.end(); ++i) {
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if (cmSystemTools::LowerCase(i->Name) == "project") {
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hasProject = true;
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break;
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}
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}
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// if no project command is found, add one
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if (!hasProject) {
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cmListFileFunction project;
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project.Name = "PROJECT";
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cmListFileArgument prj("Project", cmListFileArgument::Unquoted, 0);
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project.Arguments.push_back(prj);
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this->Functions.insert(this->Functions.begin(), project);
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}
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}
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if (parseError) {
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return false;
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}
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return true;
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}
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bool cmListFileParser::ParseFunction(const char* name, long line)
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{
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// Ininitialize a new function call.
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this->Function = cmListFileFunction();
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this->Function.Name = name;
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this->Function.Line = line;
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// Command name has already been parsed. Read the left paren.
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cmListFileLexer_Token* token;
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while ((token = cmListFileLexer_Scan(this->Lexer)) &&
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token->type == cmListFileLexer_Token_Space) {
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}
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if (!token) {
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std::ostringstream error;
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/* clang-format off */
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error << "Error in cmake code at\n" << this->FileName << ":"
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<< cmListFileLexer_GetCurrentLine(this->Lexer) << ":\n"
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<< "Parse error. Function missing opening \"(\".";
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/* clang-format on */
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cmSystemTools::Error(error.str().c_str());
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return false;
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}
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if (token->type != cmListFileLexer_Token_ParenLeft) {
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std::ostringstream error;
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error << "Error in cmake code at\n"
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<< this->FileName << ":"
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<< cmListFileLexer_GetCurrentLine(this->Lexer) << ":\n"
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<< "Parse error. Expected \"(\", got "
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<< cmListFileLexer_GetTypeAsString(this->Lexer, token->type)
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<< " with text \"" << token->text << "\".";
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cmSystemTools::Error(error.str().c_str());
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return false;
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}
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// Arguments.
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unsigned long lastLine;
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unsigned long parenDepth = 0;
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this->Separation = SeparationOkay;
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while ((lastLine = cmListFileLexer_GetCurrentLine(this->Lexer),
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token = cmListFileLexer_Scan(this->Lexer))) {
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if (token->type == cmListFileLexer_Token_Space ||
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token->type == cmListFileLexer_Token_Newline) {
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this->Separation = SeparationOkay;
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continue;
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}
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if (token->type == cmListFileLexer_Token_ParenLeft) {
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parenDepth++;
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this->Separation = SeparationOkay;
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if (!this->AddArgument(token, cmListFileArgument::Unquoted)) {
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return false;
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}
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} else if (token->type == cmListFileLexer_Token_ParenRight) {
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if (parenDepth == 0) {
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return true;
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}
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parenDepth--;
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this->Separation = SeparationOkay;
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if (!this->AddArgument(token, cmListFileArgument::Unquoted)) {
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return false;
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}
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this->Separation = SeparationWarning;
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} else if (token->type == cmListFileLexer_Token_Identifier ||
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token->type == cmListFileLexer_Token_ArgumentUnquoted) {
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if (!this->AddArgument(token, cmListFileArgument::Unquoted)) {
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return false;
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}
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this->Separation = SeparationWarning;
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} else if (token->type == cmListFileLexer_Token_ArgumentQuoted) {
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if (!this->AddArgument(token, cmListFileArgument::Quoted)) {
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return false;
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}
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this->Separation = SeparationWarning;
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} else if (token->type == cmListFileLexer_Token_ArgumentBracket) {
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if (!this->AddArgument(token, cmListFileArgument::Bracket)) {
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return false;
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}
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this->Separation = SeparationError;
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} else if (token->type == cmListFileLexer_Token_CommentBracket) {
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this->Separation = SeparationError;
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} else {
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// Error.
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std::ostringstream error;
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error << "Error in cmake code at\n"
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<< this->FileName << ":"
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<< cmListFileLexer_GetCurrentLine(this->Lexer) << ":\n"
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<< "Parse error. Function missing ending \")\". "
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<< "Instead found "
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<< cmListFileLexer_GetTypeAsString(this->Lexer, token->type)
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<< " with text \"" << token->text << "\".";
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cmSystemTools::Error(error.str().c_str());
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return false;
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}
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}
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std::ostringstream error;
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error << "Error in cmake code at\n"
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<< this->FileName << ":" << lastLine << ":\n"
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<< "Parse error. Function missing ending \")\". "
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<< "End of file reached.";
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cmSystemTools::Error(error.str().c_str());
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return false;
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}
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bool cmListFileParser::AddArgument(cmListFileLexer_Token* token,
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cmListFileArgument::Delimiter delim)
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{
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cmListFileArgument a(token->text, delim, token->line);
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this->Function.Arguments.push_back(a);
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if (this->Separation == SeparationOkay) {
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return true;
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}
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bool isError = (this->Separation == SeparationError ||
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delim == cmListFileArgument::Bracket);
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std::ostringstream m;
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/* clang-format off */
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m << "Syntax " << (isError? "Error":"Warning") << " in cmake code at\n"
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<< " " << this->FileName << ":" << token->line << ":"
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<< token->column << "\n"
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<< "Argument not separated from preceding token by whitespace.";
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/* clang-format on */
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if (isError) {
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this->Makefile->IssueMessage(cmake::FATAL_ERROR, m.str());
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return false;
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} else {
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this->Makefile->IssueMessage(cmake::AUTHOR_WARNING, m.str());
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return true;
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}
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}
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struct cmListFileBacktrace::Entry : public cmListFileContext
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{
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Entry(cmListFileContext const& lfc, Entry* up)
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: cmListFileContext(lfc)
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, Up(up)
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, RefCount(0)
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{
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if (this->Up) {
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this->Up->Ref();
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}
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}
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~Entry()
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{
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if (this->Up) {
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this->Up->Unref();
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}
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}
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void Ref() { ++this->RefCount; }
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void Unref()
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{
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if (--this->RefCount == 0) {
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delete this;
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}
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}
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Entry* Up;
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unsigned int RefCount;
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};
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cmListFileBacktrace::cmListFileBacktrace(cmState::Snapshot bottom, Entry* up,
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cmListFileContext const& lfc)
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: Bottom(bottom)
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, Cur(new Entry(lfc, up))
|
|
|
|
{
|
|
|
|
assert(this->Bottom.IsValid());
|
|
|
|
this->Cur->Ref();
|
|
|
|
}
|
|
|
|
|
|
|
|
cmListFileBacktrace::cmListFileBacktrace(cmState::Snapshot bottom, Entry* cur)
|
|
|
|
: Bottom(bottom)
|
|
|
|
, Cur(cur)
|
|
|
|
{
|
|
|
|
if (this->Cur) {
|
|
|
|
assert(this->Bottom.IsValid());
|
|
|
|
this->Cur->Ref();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
cmListFileBacktrace::cmListFileBacktrace()
|
|
|
|
: Bottom()
|
|
|
|
, Cur(0)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
cmListFileBacktrace::cmListFileBacktrace(cmState::Snapshot snapshot)
|
|
|
|
: Bottom(snapshot.GetCallStackBottom())
|
|
|
|
, Cur(0)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
cmListFileBacktrace::cmListFileBacktrace(cmListFileBacktrace const& r)
|
|
|
|
: Bottom(r.Bottom)
|
|
|
|
, Cur(r.Cur)
|
|
|
|
{
|
|
|
|
if (this->Cur) {
|
|
|
|
assert(this->Bottom.IsValid());
|
|
|
|
this->Cur->Ref();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
cmListFileBacktrace& cmListFileBacktrace::operator=(
|
|
|
|
cmListFileBacktrace const& r)
|
|
|
|
{
|
|
|
|
cmListFileBacktrace tmp(r);
|
|
|
|
std::swap(this->Cur, tmp.Cur);
|
|
|
|
std::swap(this->Bottom, tmp.Bottom);
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
|
|
|
cmListFileBacktrace::~cmListFileBacktrace()
|
|
|
|
{
|
|
|
|
if (this->Cur) {
|
|
|
|
this->Cur->Unref();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
cmListFileBacktrace cmListFileBacktrace::Push(std::string const& file) const
|
|
|
|
{
|
|
|
|
// We are entering a file-level scope but have not yet reached
|
|
|
|
// any specific line or command invocation within it. This context
|
|
|
|
// is useful to print when it is at the top but otherwise can be
|
|
|
|
// skipped during call stack printing.
|
|
|
|
cmListFileContext lfc;
|
|
|
|
lfc.FilePath = file;
|
|
|
|
return cmListFileBacktrace(this->Bottom, this->Cur, lfc);
|
|
|
|
}
|
|
|
|
|
|
|
|
cmListFileBacktrace cmListFileBacktrace::Push(
|
|
|
|
cmListFileContext const& lfc) const
|
|
|
|
{
|
|
|
|
return cmListFileBacktrace(this->Bottom, this->Cur, lfc);
|
|
|
|
}
|
|
|
|
|
|
|
|
cmListFileBacktrace cmListFileBacktrace::Pop() const
|
|
|
|
{
|
|
|
|
assert(this->Cur);
|
|
|
|
return cmListFileBacktrace(this->Bottom, this->Cur->Up);
|
|
|
|
}
|
|
|
|
|
|
|
|
cmListFileContext const& cmListFileBacktrace::Top() const
|
|
|
|
{
|
|
|
|
if (this->Cur) {
|
|
|
|
return *this->Cur;
|
|
|
|
} else {
|
|
|
|
static cmListFileContext const empty;
|
|
|
|
return empty;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void cmListFileBacktrace::PrintTitle(std::ostream& out) const
|
|
|
|
{
|
|
|
|
if (!this->Cur) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
cmOutputConverter converter(this->Bottom);
|
|
|
|
cmListFileContext lfc = *this->Cur;
|
|
|
|
if (!this->Bottom.GetState()->GetIsInTryCompile()) {
|
|
|
|
lfc.FilePath = converter.Convert(lfc.FilePath, cmOutputConverter::HOME);
|
|
|
|
}
|
|
|
|
out << (lfc.Line ? " at " : " in ") << lfc;
|
|
|
|
}
|
|
|
|
|
|
|
|
void cmListFileBacktrace::PrintCallStack(std::ostream& out) const
|
|
|
|
{
|
|
|
|
if (!this->Cur || !this->Cur->Up) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool first = true;
|
|
|
|
cmOutputConverter converter(this->Bottom);
|
|
|
|
for (Entry* i = this->Cur->Up; i; i = i->Up) {
|
|
|
|
if (i->Name.empty()) {
|
|
|
|
// Skip this whole-file scope. When we get here we already will
|
|
|
|
// have printed a more-specific context within the file.
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (first) {
|
|
|
|
first = false;
|
|
|
|
out << "Call Stack (most recent call first):\n";
|
|
|
|
}
|
|
|
|
cmListFileContext lfc = *i;
|
|
|
|
if (!this->Bottom.GetState()->GetIsInTryCompile()) {
|
|
|
|
lfc.FilePath = converter.Convert(lfc.FilePath, cmOutputConverter::HOME);
|
|
|
|
}
|
|
|
|
out << " " << lfc << "\n";
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
std::ostream& operator<<(std::ostream& os, cmListFileContext const& lfc)
|
|
|
|
{
|
|
|
|
os << lfc.FilePath;
|
|
|
|
if (lfc.Line) {
|
|
|
|
os << ":" << lfc.Line;
|
|
|
|
if (!lfc.Name.empty()) {
|
|
|
|
os << " (" << lfc.Name << ")";
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return os;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool operator<(const cmListFileContext& lhs, const cmListFileContext& rhs)
|
|
|
|
{
|
|
|
|
if (lhs.Line != rhs.Line) {
|
|
|
|
return lhs.Line < rhs.Line;
|
|
|
|
}
|
|
|
|
return lhs.FilePath < rhs.FilePath;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool operator==(const cmListFileContext& lhs, const cmListFileContext& rhs)
|
|
|
|
{
|
|
|
|
return lhs.Line == rhs.Line && lhs.FilePath == rhs.FilePath;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool operator!=(const cmListFileContext& lhs, const cmListFileContext& rhs)
|
|
|
|
{
|
|
|
|
return !(lhs == rhs);
|
|
|
|
}
|