569 lines
19 KiB
C++
569 lines
19 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2012 Stephen Kelly <steveire@gmail.com>
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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 "cmMakefile.h"
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#include "cmGeneratorExpressionEvaluator.h"
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#include "cmGeneratorExpressionParser.h"
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//----------------------------------------------------------------------------
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static void reportError(cmGeneratorExpressionContext *context,
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const std::string &expr, const std::string &result)
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{
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context->HadError = true;
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if (context->Quiet)
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{
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return;
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}
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cmOStringStream e;
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e << "Error evaluating generator expression:\n"
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<< " " << expr << "\n"
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<< result;
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context->Makefile->GetCMakeInstance()
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->IssueMessage(cmake::FATAL_ERROR, e.str().c_str(),
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context->Backtrace);
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}
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//----------------------------------------------------------------------------
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struct cmGeneratorExpressionNode
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{
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virtual ~cmGeneratorExpressionNode() {}
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virtual bool GeneratesContent() const { return true; }
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virtual bool AcceptsSingleArbitraryContentParameter() const
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{ return false; }
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virtual int NumExpectedParameters() const { return 1; }
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virtual std::string Evaluate(const std::vector<std::string> ¶meters,
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cmGeneratorExpressionContext *context,
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const GeneratorExpressionContent *content
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) const = 0;
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};
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//----------------------------------------------------------------------------
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static const struct ZeroNode : public cmGeneratorExpressionNode
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{
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ZeroNode() {}
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virtual bool GeneratesContent() const { return false; }
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std::string Evaluate(const std::vector<std::string> &,
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cmGeneratorExpressionContext *,
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const GeneratorExpressionContent *) const
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{
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// Unreachable
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return std::string();
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}
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} zeroNode;
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//----------------------------------------------------------------------------
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static const struct OneNode : public cmGeneratorExpressionNode
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{
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OneNode() {}
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virtual bool AcceptsSingleArbitraryContentParameter() const { return true; }
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std::string Evaluate(const std::vector<std::string> &,
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cmGeneratorExpressionContext *,
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const GeneratorExpressionContent *) const
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{
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// Unreachable
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return std::string();
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}
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} oneNode;
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//----------------------------------------------------------------------------
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#define BOOLEAN_OP_NODE(OPNAME, OP, SUCCESS_VALUE, FAILURE_VALUE) \
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static const struct OP ## Node : public cmGeneratorExpressionNode \
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{ \
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OP ## Node () {} \
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/* We let -1 carry the meaning 'at least one' */ \
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virtual int NumExpectedParameters() const { return -1; } \
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\
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std::string Evaluate(const std::vector<std::string> ¶meters, \
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cmGeneratorExpressionContext *context, \
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const GeneratorExpressionContent *content) const \
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{ \
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std::vector<std::string>::const_iterator it = parameters.begin(); \
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const std::vector<std::string>::const_iterator end = parameters.end(); \
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for ( ; it != end; ++it) \
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{ \
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if (*it == #FAILURE_VALUE) \
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{ \
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return #FAILURE_VALUE; \
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} \
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else if (*it != #SUCCESS_VALUE) \
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{ \
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reportError(context, content->GetOriginalExpression(), \
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"Parameters to $<" #OP "> must resolve to either '0' or '1'."); \
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return std::string(); \
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} \
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} \
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return #SUCCESS_VALUE; \
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} \
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} OPNAME;
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BOOLEAN_OP_NODE(andNode, AND, 1, 0)
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BOOLEAN_OP_NODE(orNode, OR, 0, 1)
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#undef BOOLEAN_OP_NODE
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//----------------------------------------------------------------------------
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static const struct NotNode : public cmGeneratorExpressionNode
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{
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NotNode() {}
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std::string Evaluate(const std::vector<std::string> ¶meters,
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cmGeneratorExpressionContext *context,
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const GeneratorExpressionContent *content) const
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{
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if (*parameters.begin() != "0" && *parameters.begin() != "1")
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{
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reportError(context, content->GetOriginalExpression(),
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"$<NOT> parameter must resolve to exactly one '0' or '1' value.");
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return std::string();
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}
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return *parameters.begin() == "0" ? "1" : "0";
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}
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} notNode;
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//----------------------------------------------------------------------------
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static const struct ConfigurationNode : public cmGeneratorExpressionNode
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{
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ConfigurationNode() {}
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virtual int NumExpectedParameters() const { return 0; }
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std::string Evaluate(const std::vector<std::string> &,
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cmGeneratorExpressionContext *context,
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const GeneratorExpressionContent *) const
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{
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return context->Config ? context->Config : "";
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}
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} configurationNode;
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//----------------------------------------------------------------------------
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static const struct ConfigurationTestNode : public cmGeneratorExpressionNode
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{
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ConfigurationTestNode() {}
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virtual int NumExpectedParameters() const { return 1; }
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std::string Evaluate(const std::vector<std::string> ¶meters,
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cmGeneratorExpressionContext *context,
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const GeneratorExpressionContent *content) const
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{
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if (!context->Config)
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{
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return std::string();
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}
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cmsys::RegularExpression configValidator;
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configValidator.compile("^[A-Za-z0-9_]*$");
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if (!configValidator.find(parameters.begin()->c_str()))
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{
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reportError(context, content->GetOriginalExpression(),
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"Expression syntax not recognized.");
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return std::string();
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}
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return *parameters.begin() == context->Config ? "1" : "0";
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}
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} configurationTestNode;
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//----------------------------------------------------------------------------
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template<bool linker, bool soname>
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struct TargetFilesystemArtifactResultCreator
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{
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static std::string Create(cmTarget* target,
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cmGeneratorExpressionContext *context,
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const GeneratorExpressionContent *content);
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};
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//----------------------------------------------------------------------------
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template<>
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struct TargetFilesystemArtifactResultCreator<false, true>
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{
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static std::string Create(cmTarget* target,
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cmGeneratorExpressionContext *context,
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const GeneratorExpressionContent *content)
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{
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// The target soname file (.so.1).
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if(target->IsDLLPlatform())
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{
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::reportError(context, content->GetOriginalExpression(),
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"TARGET_SONAME_FILE is not allowed "
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"for DLL target platforms.");
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return std::string();
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}
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if(target->GetType() != cmTarget::SHARED_LIBRARY)
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{
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::reportError(context, content->GetOriginalExpression(),
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"TARGET_SONAME_FILE is allowed only for "
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"SHARED libraries.");
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return std::string();
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}
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std::string result = target->GetDirectory(context->Config);
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result += "/";
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result += target->GetSOName(context->Config);
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return result;
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}
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};
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//----------------------------------------------------------------------------
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template<>
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struct TargetFilesystemArtifactResultCreator<true, false>
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{
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static std::string Create(cmTarget* target,
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cmGeneratorExpressionContext *context,
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const GeneratorExpressionContent *content)
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{
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// The file used to link to the target (.so, .lib, .a).
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if(!target->IsLinkable())
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{
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::reportError(context, content->GetOriginalExpression(),
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"TARGET_LINKER_FILE is allowed only for libraries and "
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"executables with ENABLE_EXPORTS.");
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return std::string();
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}
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return target->GetFullPath(context->Config,
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target->HasImportLibrary());
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}
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};
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//----------------------------------------------------------------------------
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template<>
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struct TargetFilesystemArtifactResultCreator<false, false>
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{
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static std::string Create(cmTarget* target,
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cmGeneratorExpressionContext *context,
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const GeneratorExpressionContent *)
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{
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return target->GetFullPath(context->Config, false, true);
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}
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};
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//----------------------------------------------------------------------------
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template<bool dirQual, bool nameQual>
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struct TargetFilesystemArtifactResultGetter
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{
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static std::string Get(const std::string &result);
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};
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//----------------------------------------------------------------------------
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template<>
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struct TargetFilesystemArtifactResultGetter<false, true>
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{
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static std::string Get(const std::string &result)
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{ return cmSystemTools::GetFilenameName(result); }
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};
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//----------------------------------------------------------------------------
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template<>
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struct TargetFilesystemArtifactResultGetter<true, false>
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{
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static std::string Get(const std::string &result)
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{ return cmSystemTools::GetFilenamePath(result); }
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};
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//----------------------------------------------------------------------------
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template<>
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struct TargetFilesystemArtifactResultGetter<false, false>
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{
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static std::string Get(const std::string &result)
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{ return result; }
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};
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//----------------------------------------------------------------------------
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template<bool linker, bool soname, bool dirQual, bool nameQual>
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struct TargetFilesystemArtifact : public cmGeneratorExpressionNode
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{
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TargetFilesystemArtifact() {}
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virtual int NumExpectedParameters() const { return 1; }
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std::string Evaluate(const std::vector<std::string> ¶meters,
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cmGeneratorExpressionContext *context,
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const GeneratorExpressionContent *content) const
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{
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// Lookup the referenced target.
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std::string name = *parameters.begin();
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cmsys::RegularExpression targetValidator;
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targetValidator.compile("^[A-Za-z0-9_]+$");
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if (!targetValidator.find(name.c_str()))
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{
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::reportError(context, content->GetOriginalExpression(),
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"Expression syntax not recognized.");
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return std::string();
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}
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cmTarget* target = context->Makefile->FindTargetToUse(name.c_str());
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if(!target)
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{
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::reportError(context, content->GetOriginalExpression(),
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"No target \"" + name + "\"");
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return std::string();
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}
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if(target->GetType() >= cmTarget::UTILITY &&
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target->GetType() != cmTarget::UNKNOWN_LIBRARY)
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{
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::reportError(context, content->GetOriginalExpression(),
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"Target \"" + name + "\" is not an executable or library.");
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return std::string();
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}
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context->Targets.insert(target);
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std::string result =
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TargetFilesystemArtifactResultCreator<linker, soname>::Create(
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target,
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context,
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content);
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if (context->HadError)
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{
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return std::string();
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}
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return
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TargetFilesystemArtifactResultGetter<dirQual, nameQual>::Get(result);
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}
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};
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//----------------------------------------------------------------------------
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static const
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TargetFilesystemArtifact<false, false, false, false> targetFileNode;
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static const
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TargetFilesystemArtifact<true, false, false, false> targetLinkerFileNode;
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static const
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TargetFilesystemArtifact<false, true, false, false> targetSoNameFileNode;
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static const
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TargetFilesystemArtifact<false, false, false, true> targetFileNameNode;
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static const
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TargetFilesystemArtifact<true, false, false, true> targetLinkerFileNameNode;
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static const
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TargetFilesystemArtifact<false, true, false, true> targetSoNameFileNameNode;
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static const
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TargetFilesystemArtifact<false, false, true, false> targetFileDirNode;
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static const
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TargetFilesystemArtifact<true, false, true, false> targetLinkerFileDirNode;
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static const
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TargetFilesystemArtifact<false, true, true, false> targetSoNameFileDirNode;
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//----------------------------------------------------------------------------
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static const
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cmGeneratorExpressionNode* GetNode(const std::string &identifier)
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{
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if (identifier == "0")
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return &zeroNode;
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if (identifier == "1")
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return &oneNode;
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if (identifier == "AND")
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return &andNode;
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if (identifier == "OR")
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return &orNode;
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if (identifier == "NOT")
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return ¬Node;
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else if (identifier == "CONFIGURATION")
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return &configurationNode;
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else if (identifier == "CONFIG")
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return &configurationTestNode;
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else if (identifier == "TARGET_FILE")
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return &targetFileNode;
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else if (identifier == "TARGET_LINKER_FILE")
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return &targetLinkerFileNode;
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else if (identifier == "TARGET_SONAME_FILE")
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return &targetSoNameFileNode;
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else if (identifier == "TARGET_FILE_NAME")
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return &targetFileNameNode;
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else if (identifier == "TARGET_LINKER_FILE_NAME")
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return &targetLinkerFileNameNode;
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else if (identifier == "TARGET_SONAME_FILE_NAME")
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return &targetSoNameFileNameNode;
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else if (identifier == "TARGET_FILE_DIR")
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return &targetFileDirNode;
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else if (identifier == "TARGET_LINKER_FILE_DIR")
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return &targetLinkerFileDirNode;
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else if (identifier == "TARGET_SONAME_FILE_DIR")
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return &targetSoNameFileDirNode;
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return 0;
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}
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//----------------------------------------------------------------------------
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GeneratorExpressionContent::GeneratorExpressionContent(
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const char *startContent,
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unsigned int length)
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: StartContent(startContent), ContentLength(length)
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{
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}
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//----------------------------------------------------------------------------
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std::string GeneratorExpressionContent::GetOriginalExpression() const
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{
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return std::string(this->StartContent, this->ContentLength);
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}
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//----------------------------------------------------------------------------
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std::string GeneratorExpressionContent::Evaluate(
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cmGeneratorExpressionContext *context) const
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{
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std::string identifier;
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{
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std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it
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= this->IdentifierChildren.begin();
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const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end
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= this->IdentifierChildren.end();
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for ( ; it != end; ++it)
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{
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identifier += (*it)->Evaluate(context);
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if (context->HadError)
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{
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return std::string();
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}
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}
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}
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const cmGeneratorExpressionNode *node = GetNode(identifier);
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if (!node)
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{
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reportError(context, this->GetOriginalExpression(),
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"Expression did not evaluate to a known generator expression");
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return std::string();
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}
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if (!node->GeneratesContent())
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{
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return std::string();
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}
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if (node->AcceptsSingleArbitraryContentParameter())
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{
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std::string result;
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std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
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pit = this->ParamChildren.begin();
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const
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std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
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pend = this->ParamChildren.end();
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for ( ; pit != pend; ++pit)
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{
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if (!result.empty())
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{
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result += ",";
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}
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std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it
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= pit->begin();
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const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end
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= pit->end();
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for ( ; it != end; ++it)
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{
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result += (*it)->Evaluate(context);
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if (context->HadError)
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{
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return std::string();
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}
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}
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}
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return result;
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}
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std::vector<std::string> parameters;
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{
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std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
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pit = this->ParamChildren.begin();
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const
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std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
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pend = this->ParamChildren.end();
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for ( ; pit != pend; ++pit)
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{
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std::string parameter;
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std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it =
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pit->begin();
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const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end =
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pit->end();
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for ( ; it != end; ++it)
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{
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parameter += (*it)->Evaluate(context);
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if (context->HadError)
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{
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return std::string();
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}
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}
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parameters.push_back(parameter);
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}
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}
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int numExpected = node->NumExpectedParameters();
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if ((numExpected != -1 && (unsigned int)numExpected != parameters.size()))
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{
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if (numExpected == 0)
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{
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reportError(context, this->GetOriginalExpression(),
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"$<" + identifier + "> expression requires no parameters.");
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}
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else if (numExpected == 1)
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{
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reportError(context, this->GetOriginalExpression(),
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"$<" + identifier + "> expression requires "
|
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"exactly one parameter.");
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}
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else
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{
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cmOStringStream e;
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e << "$<" + identifier + "> expression requires "
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<< numExpected
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<< " comma separated parameters, but got "
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<< parameters.size() << " instead.";
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reportError(context, this->GetOriginalExpression(), e.str());
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}
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return std::string();
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}
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|
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if (numExpected == -1 && parameters.empty())
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{
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reportError(context, this->GetOriginalExpression(), "$<" + identifier
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+ "> expression requires at least one parameter.");
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return std::string();
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}
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return node->Evaluate(parameters, context, this);
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}
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|
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//----------------------------------------------------------------------------
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static void deleteAll(const std::vector<cmGeneratorExpressionEvaluator*> &c)
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{
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std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it
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= c.begin();
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const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end
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= c.end();
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for ( ; it != end; ++it)
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{
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delete *it;
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}
|
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}
|
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|
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//----------------------------------------------------------------------------
|
|
GeneratorExpressionContent::~GeneratorExpressionContent()
|
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{
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deleteAll(this->IdentifierChildren);
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|
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typedef std::vector<cmGeneratorExpressionEvaluator*> EvaluatorVector;
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typedef std::vector<cmGeneratorExpressionToken> TokenVector;
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std::vector<EvaluatorVector>::const_iterator pit =
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this->ParamChildren.begin();
|
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const std::vector<EvaluatorVector>::const_iterator pend =
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this->ParamChildren.end();
|
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for ( ; pit != pend; ++pit)
|
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{
|
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deleteAll(*pit);
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}
|
|
}
|