925 lines
31 KiB
C++
925 lines
31 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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#include "cmGeneratorExpressionDAGChecker.h"
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#include "cmGeneratorExpression.h"
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#include <cmsys/String.h>
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#include <assert.h>
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//----------------------------------------------------------------------------
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#if !defined(__SUNPRO_CC) || __SUNPRO_CC > 0x510
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static
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#endif
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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 RequiresLiteralInput() const { return false; }
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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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cmGeneratorExpressionDAGChecker *dagChecker
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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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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 *,
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cmGeneratorExpressionDAGChecker *) 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 *,
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cmGeneratorExpressionDAGChecker *) 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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static const struct OneNode buildInterfaceNode;
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//----------------------------------------------------------------------------
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static const struct ZeroNode installInterfaceNode;
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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, \
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cmGeneratorExpressionDAGChecker *) 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 $<" #OP "> must resolve to either '0' or '1'."); \
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return std::string(); \
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} \
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} \
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return #SUCCESS_VALUE; \
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} \
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} OPNAME;
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BOOLEAN_OP_NODE(andNode, AND, 1, 0)
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BOOLEAN_OP_NODE(orNode, OR, 0, 1)
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#undef BOOLEAN_OP_NODE
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//----------------------------------------------------------------------------
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static const struct NotNode : public cmGeneratorExpressionNode
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{
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NotNode() {}
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std::string Evaluate(const std::vector<std::string> ¶meters,
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cmGeneratorExpressionContext *context,
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const GeneratorExpressionContent *content,
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cmGeneratorExpressionDAGChecker *) const
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{
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if (*parameters.begin() != "0" && *parameters.begin() != "1")
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{
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reportError(context, content->GetOriginalExpression(),
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"$<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 BoolNode : public cmGeneratorExpressionNode
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{
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BoolNode() {}
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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 *,
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const GeneratorExpressionContent *,
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cmGeneratorExpressionDAGChecker *) const
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{
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return !cmSystemTools::IsOff(parameters.begin()->c_str()) ? "1" : "0";
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}
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} boolNode;
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//----------------------------------------------------------------------------
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static const struct StrEqualNode : public cmGeneratorExpressionNode
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{
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StrEqualNode() {}
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virtual int NumExpectedParameters() const { return 2; }
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std::string Evaluate(const std::vector<std::string> ¶meters,
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cmGeneratorExpressionContext *,
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const GeneratorExpressionContent *,
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cmGeneratorExpressionDAGChecker *) const
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{
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return *parameters.begin() == parameters[1] ? "1" : "0";
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}
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} strEqualNode;
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//----------------------------------------------------------------------------
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static const struct Angle_RNode : public cmGeneratorExpressionNode
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{
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Angle_RNode() {}
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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 *,
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const GeneratorExpressionContent *,
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cmGeneratorExpressionDAGChecker *) const
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{
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return ">";
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}
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} angle_rNode;
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//----------------------------------------------------------------------------
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static const struct CommaNode : public cmGeneratorExpressionNode
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{
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CommaNode() {}
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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 *,
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const GeneratorExpressionContent *,
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cmGeneratorExpressionDAGChecker *) const
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{
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return ",";
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}
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} commaNode;
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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 *,
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cmGeneratorExpressionDAGChecker *) 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,
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cmGeneratorExpressionDAGChecker *) const
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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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if (!context->Config)
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{
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return parameters.front().empty() ? "1" : "0";
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}
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if (cmsysString_strcasecmp(parameters.begin()->c_str(),
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context->Config) == 0)
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{
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return "1";
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}
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if (context->CurrentTarget
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&& context->CurrentTarget->IsImported())
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{
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const char* loc = 0;
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const char* imp = 0;
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std::string suffix;
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return context->CurrentTarget->GetMappedConfig(context->Config,
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&loc,
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&imp,
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suffix) ? "1" : "0";
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}
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return "0";
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}
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} configurationTestNode;
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//----------------------------------------------------------------------------
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static const char* targetPropertyTransitiveWhitelist[] = {
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"INTERFACE_INCLUDE_DIRECTORIES"
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, "INTERFACE_COMPILE_DEFINITIONS"
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};
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//----------------------------------------------------------------------------
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static const struct TargetPropertyNode : public cmGeneratorExpressionNode
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{
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TargetPropertyNode() {}
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// This node handles errors on parameter count itself.
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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,
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cmGeneratorExpressionDAGChecker *dagCheckerParent
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) const
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{
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if (parameters.size() != 1 && parameters.size() != 2)
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{
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reportError(context, content->GetOriginalExpression(),
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"$<TARGET_PROPERTY:...> expression requires one or two parameters");
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return std::string();
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}
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cmsys::RegularExpression targetNameValidator;
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// The ':' is supported to allow use with IMPORTED targets. At least
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// Qt 4 and 5 IMPORTED targets use ':' as the namespace delimiter.
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targetNameValidator.compile("^[A-Za-z0-9_.:-]+$");
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cmsys::RegularExpression propertyNameValidator;
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propertyNameValidator.compile("^[A-Za-z0-9_]+$");
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cmTarget* target = context->HeadTarget;
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std::string propertyName = *parameters.begin();
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if (!target && parameters.size() == 1)
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{
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reportError(context, content->GetOriginalExpression(),
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"$<TARGET_PROPERTY:prop> may only be used with targets. It may not "
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"be used with add_custom_command. Specify the target to read a "
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"property from using the $<TARGET_PROPERTY:tgt,prop> signature "
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"instead.");
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return std::string();
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}
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if (parameters.size() == 2)
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{
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if (parameters.begin()->empty() && parameters[1].empty())
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{
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reportError(context, content->GetOriginalExpression(),
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"$<TARGET_PROPERTY:tgt,prop> expression requires a non-empty "
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"target name and property name.");
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return std::string();
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}
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if (parameters.begin()->empty())
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{
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reportError(context, content->GetOriginalExpression(),
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"$<TARGET_PROPERTY:tgt,prop> expression requires a non-empty "
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"target name.");
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return std::string();
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}
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std::string targetName = parameters.front();
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propertyName = parameters[1];
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if (!targetNameValidator.find(targetName.c_str()))
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{
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if (!propertyNameValidator.find(propertyName.c_str()))
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{
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::reportError(context, content->GetOriginalExpression(),
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"Target name and property name not supported.");
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return std::string();
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}
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::reportError(context, content->GetOriginalExpression(),
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"Target name not supported.");
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return std::string();
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}
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target = context->Makefile->FindTargetToUse(
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targetName.c_str());
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if (!target)
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{
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cmOStringStream e;
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e << "Target \""
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<< targetName
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<< "\" not found.";
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reportError(context, content->GetOriginalExpression(), e.str());
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return std::string();
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}
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}
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if (target == context->HeadTarget)
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{
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// Keep track of the properties seen while processing.
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// The evaluation of the LINK_LIBRARIES generator expressions
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// will check this to ensure that properties form a DAG.
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context->SeenTargetProperties.insert(propertyName);
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}
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if (propertyName.empty())
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{
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reportError(context, content->GetOriginalExpression(),
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"$<TARGET_PROPERTY:...> expression requires a non-empty property "
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"name.");
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return std::string();
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}
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if (!propertyNameValidator.find(propertyName.c_str()))
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{
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::reportError(context, content->GetOriginalExpression(),
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"Property name not supported.");
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return std::string();
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}
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assert(target);
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cmGeneratorExpressionDAGChecker dagChecker(context->Backtrace,
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target->GetName(),
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propertyName,
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content,
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dagCheckerParent);
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switch (dagChecker.check())
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{
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case cmGeneratorExpressionDAGChecker::SELF_REFERENCE:
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dagChecker.reportError(context, content->GetOriginalExpression());
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return std::string();
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case cmGeneratorExpressionDAGChecker::CYCLIC_REFERENCE:
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// No error. We just skip cyclic references.
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return std::string();
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case cmGeneratorExpressionDAGChecker::DAG:
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break;
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}
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const char *prop = target->GetProperty(propertyName.c_str());
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if (!prop)
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{
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return std::string();
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}
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for (size_t i = 0;
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i < (sizeof(targetPropertyTransitiveWhitelist) /
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sizeof(*targetPropertyTransitiveWhitelist));
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++i)
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{
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if (targetPropertyTransitiveWhitelist[i] == propertyName)
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{
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cmGeneratorExpression ge(context->Backtrace);
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return ge.Parse(prop)->Evaluate(context->Makefile,
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context->Config,
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context->Quiet,
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context->HeadTarget,
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target,
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&dagChecker);
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}
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}
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return prop;
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}
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} targetPropertyNode;
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//----------------------------------------------------------------------------
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static const struct TargetNameNode : public cmGeneratorExpressionNode
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{
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TargetNameNode() {}
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virtual bool GeneratesContent() const { return true; }
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virtual bool AcceptsSingleArbitraryContentParameter() const { return true; }
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virtual bool RequiresLiteralInput() const { return true; }
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std::string Evaluate(const std::vector<std::string> ¶meters,
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cmGeneratorExpressionContext *,
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const GeneratorExpressionContent *,
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cmGeneratorExpressionDAGChecker *) const
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{
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return parameters.front();
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}
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virtual int NumExpectedParameters() const { return 1; }
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} targetNameNode;
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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,
|
|
cmGeneratorExpressionContext *context,
|
|
const GeneratorExpressionContent *content,
|
|
cmGeneratorExpressionDAGChecker *) const
|
|
{
|
|
// Lookup the referenced target.
|
|
std::string name = *parameters.begin();
|
|
|
|
cmsys::RegularExpression targetValidator;
|
|
// The ':' is supported to allow use with IMPORTED targets.
|
|
targetValidator.compile("^[A-Za-z0-9_.:-]+$");
|
|
if (!targetValidator.find(name.c_str()))
|
|
{
|
|
::reportError(context, content->GetOriginalExpression(),
|
|
"Expression syntax not recognized.");
|
|
return std::string();
|
|
}
|
|
cmTarget* target = context->Makefile->FindTargetToUse(name.c_str());
|
|
if(!target)
|
|
{
|
|
::reportError(context, content->GetOriginalExpression(),
|
|
"No target \"" + name + "\"");
|
|
return std::string();
|
|
}
|
|
if(target->GetType() >= cmTarget::UTILITY &&
|
|
target->GetType() != cmTarget::UNKNOWN_LIBRARY)
|
|
{
|
|
::reportError(context, content->GetOriginalExpression(),
|
|
"Target \"" + name + "\" is not an executable or library.");
|
|
return std::string();
|
|
}
|
|
context->Targets.insert(target);
|
|
|
|
std::string result =
|
|
TargetFilesystemArtifactResultCreator<linker, soname>::Create(
|
|
target,
|
|
context,
|
|
content);
|
|
if (context->HadError)
|
|
{
|
|
return std::string();
|
|
}
|
|
return
|
|
TargetFilesystemArtifactResultGetter<dirQual, nameQual>::Get(result);
|
|
}
|
|
};
|
|
|
|
//----------------------------------------------------------------------------
|
|
static const
|
|
TargetFilesystemArtifact<false, false, false, false> targetFileNode;
|
|
static const
|
|
TargetFilesystemArtifact<true, false, false, false> targetLinkerFileNode;
|
|
static const
|
|
TargetFilesystemArtifact<false, true, false, false> targetSoNameFileNode;
|
|
static const
|
|
TargetFilesystemArtifact<false, false, false, true> targetFileNameNode;
|
|
static const
|
|
TargetFilesystemArtifact<true, false, false, true> targetLinkerFileNameNode;
|
|
static const
|
|
TargetFilesystemArtifact<false, true, false, true> targetSoNameFileNameNode;
|
|
static const
|
|
TargetFilesystemArtifact<false, false, true, false> targetFileDirNode;
|
|
static const
|
|
TargetFilesystemArtifact<true, false, true, false> targetLinkerFileDirNode;
|
|
static const
|
|
TargetFilesystemArtifact<false, true, true, false> targetSoNameFileDirNode;
|
|
|
|
//----------------------------------------------------------------------------
|
|
static const
|
|
cmGeneratorExpressionNode* GetNode(const std::string &identifier)
|
|
{
|
|
if (identifier == "0")
|
|
return &zeroNode;
|
|
else if (identifier == "1")
|
|
return &oneNode;
|
|
else if (identifier == "AND")
|
|
return &andNode;
|
|
else if (identifier == "OR")
|
|
return &orNode;
|
|
else if (identifier == "NOT")
|
|
return ¬Node;
|
|
else if (identifier == "CONFIGURATION")
|
|
return &configurationNode;
|
|
else if (identifier == "CONFIG")
|
|
return &configurationTestNode;
|
|
else if (identifier == "TARGET_FILE")
|
|
return &targetFileNode;
|
|
else if (identifier == "TARGET_LINKER_FILE")
|
|
return &targetLinkerFileNode;
|
|
else if (identifier == "TARGET_SONAME_FILE")
|
|
return &targetSoNameFileNode;
|
|
else if (identifier == "TARGET_FILE_NAME")
|
|
return &targetFileNameNode;
|
|
else if (identifier == "TARGET_LINKER_FILE_NAME")
|
|
return &targetLinkerFileNameNode;
|
|
else if (identifier == "TARGET_SONAME_FILE_NAME")
|
|
return &targetSoNameFileNameNode;
|
|
else if (identifier == "TARGET_FILE_DIR")
|
|
return &targetFileDirNode;
|
|
else if (identifier == "TARGET_LINKER_FILE_DIR")
|
|
return &targetLinkerFileDirNode;
|
|
else if (identifier == "TARGET_SONAME_FILE_DIR")
|
|
return &targetSoNameFileDirNode;
|
|
else if (identifier == "STREQUAL")
|
|
return &strEqualNode;
|
|
else if (identifier == "BOOL")
|
|
return &boolNode;
|
|
else if (identifier == "ANGLE-R")
|
|
return &angle_rNode;
|
|
else if (identifier == "COMMA")
|
|
return &commaNode;
|
|
else if (identifier == "TARGET_PROPERTY")
|
|
return &targetPropertyNode;
|
|
else if (identifier == "TARGET_NAME")
|
|
return &targetNameNode;
|
|
else if (identifier == "BUILD_INTERFACE")
|
|
return &buildInterfaceNode;
|
|
else if (identifier == "INSTALL_INTERFACE")
|
|
return &installInterfaceNode;
|
|
return 0;
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
GeneratorExpressionContent::GeneratorExpressionContent(
|
|
const char *startContent,
|
|
unsigned int length)
|
|
: StartContent(startContent), ContentLength(length)
|
|
{
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
std::string GeneratorExpressionContent::GetOriginalExpression() const
|
|
{
|
|
return std::string(this->StartContent, this->ContentLength);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
std::string GeneratorExpressionContent::Evaluate(
|
|
cmGeneratorExpressionContext *context,
|
|
cmGeneratorExpressionDAGChecker *dagChecker) const
|
|
{
|
|
std::string identifier;
|
|
{
|
|
std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it
|
|
= this->IdentifierChildren.begin();
|
|
const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end
|
|
= this->IdentifierChildren.end();
|
|
for ( ; it != end; ++it)
|
|
{
|
|
identifier += (*it)->Evaluate(context, dagChecker);
|
|
if (context->HadError)
|
|
{
|
|
return std::string();
|
|
}
|
|
}
|
|
}
|
|
|
|
const cmGeneratorExpressionNode *node = GetNode(identifier);
|
|
|
|
if (!node)
|
|
{
|
|
reportError(context, this->GetOriginalExpression(),
|
|
"Expression did not evaluate to a known generator expression");
|
|
return std::string();
|
|
}
|
|
|
|
if (!node->GeneratesContent())
|
|
{
|
|
if (node->AcceptsSingleArbitraryContentParameter())
|
|
{
|
|
if (this->ParamChildren.empty())
|
|
{
|
|
reportError(context, this->GetOriginalExpression(),
|
|
"$<" + identifier + "> expression requires a parameter.");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
std::vector<std::string> parameters;
|
|
this->EvaluateParameters(node, identifier, context, dagChecker,
|
|
parameters);
|
|
}
|
|
return std::string();
|
|
}
|
|
|
|
if (node->AcceptsSingleArbitraryContentParameter())
|
|
{
|
|
std::string result;
|
|
std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
|
|
pit = this->ParamChildren.begin();
|
|
const
|
|
std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
|
|
pend = this->ParamChildren.end();
|
|
for ( ; pit != pend; ++pit)
|
|
{
|
|
if (!result.empty())
|
|
{
|
|
result += ",";
|
|
}
|
|
|
|
std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it
|
|
= pit->begin();
|
|
const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end
|
|
= pit->end();
|
|
for ( ; it != end; ++it)
|
|
{
|
|
if (node->RequiresLiteralInput())
|
|
{
|
|
if ((*it)->GetType() != cmGeneratorExpressionEvaluator::Text)
|
|
{
|
|
reportError(context, this->GetOriginalExpression(),
|
|
"$<" + identifier + "> expression requires literal input.");
|
|
return std::string();
|
|
}
|
|
}
|
|
result += (*it)->Evaluate(context, dagChecker);
|
|
if (context->HadError)
|
|
{
|
|
return std::string();
|
|
}
|
|
}
|
|
}
|
|
if (node->RequiresLiteralInput())
|
|
{
|
|
std::vector<std::string> parameters;
|
|
parameters.push_back(result);
|
|
return node->Evaluate(parameters, context, this, dagChecker);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
std::vector<std::string> parameters;
|
|
this->EvaluateParameters(node, identifier, context, dagChecker, parameters);
|
|
if (context->HadError)
|
|
{
|
|
return std::string();
|
|
}
|
|
|
|
return node->Evaluate(parameters, context, this, dagChecker);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
std::string GeneratorExpressionContent::EvaluateParameters(
|
|
const cmGeneratorExpressionNode *node,
|
|
const std::string &identifier,
|
|
cmGeneratorExpressionContext *context,
|
|
cmGeneratorExpressionDAGChecker *dagChecker,
|
|
std::vector<std::string> ¶meters) const
|
|
{
|
|
{
|
|
std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
|
|
pit = this->ParamChildren.begin();
|
|
const
|
|
std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
|
|
pend = this->ParamChildren.end();
|
|
for ( ; pit != pend; ++pit)
|
|
{
|
|
std::string parameter;
|
|
std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it =
|
|
pit->begin();
|
|
const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end =
|
|
pit->end();
|
|
for ( ; it != end; ++it)
|
|
{
|
|
parameter += (*it)->Evaluate(context, dagChecker);
|
|
if (context->HadError)
|
|
{
|
|
return std::string();
|
|
}
|
|
}
|
|
parameters.push_back(parameter);
|
|
}
|
|
}
|
|
|
|
int numExpected = node->NumExpectedParameters();
|
|
if ((numExpected != -1 && (unsigned int)numExpected != parameters.size()))
|
|
{
|
|
if (numExpected == 0)
|
|
{
|
|
reportError(context, this->GetOriginalExpression(),
|
|
"$<" + identifier + "> expression requires no parameters.");
|
|
}
|
|
else if (numExpected == 1)
|
|
{
|
|
reportError(context, this->GetOriginalExpression(),
|
|
"$<" + identifier + "> expression requires "
|
|
"exactly one parameter.");
|
|
}
|
|
else
|
|
{
|
|
cmOStringStream e;
|
|
e << "$<" + identifier + "> expression requires "
|
|
<< numExpected
|
|
<< " comma separated parameters, but got "
|
|
<< parameters.size() << " instead.";
|
|
reportError(context, this->GetOriginalExpression(), e.str());
|
|
}
|
|
return std::string();
|
|
}
|
|
|
|
if (numExpected == -1 && parameters.empty())
|
|
{
|
|
reportError(context, this->GetOriginalExpression(), "$<" + identifier
|
|
+ "> expression requires at least one parameter.");
|
|
}
|
|
return std::string();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
static void deleteAll(const std::vector<cmGeneratorExpressionEvaluator*> &c)
|
|
{
|
|
std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it
|
|
= c.begin();
|
|
const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end
|
|
= c.end();
|
|
for ( ; it != end; ++it)
|
|
{
|
|
delete *it;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
GeneratorExpressionContent::~GeneratorExpressionContent()
|
|
{
|
|
deleteAll(this->IdentifierChildren);
|
|
|
|
typedef std::vector<cmGeneratorExpressionEvaluator*> EvaluatorVector;
|
|
typedef std::vector<cmGeneratorExpressionToken> TokenVector;
|
|
std::vector<EvaluatorVector>::const_iterator pit =
|
|
this->ParamChildren.begin();
|
|
const std::vector<EvaluatorVector>::const_iterator pend =
|
|
this->ParamChildren.end();
|
|
for ( ; pit != pend; ++pit)
|
|
{
|
|
deleteAll(*pit);
|
|
}
|
|
}
|