c1b96fddf8
2214011fMake cmCPackGenerator not inherit from cmObject7f9a8d53Make cmCPackGeneratorFactory not inherit from cmObjectfb0b087cMake cmCTestGenericHandler not inherit from cmObject2169b0faMake cmCPackLog not inherit from cmObject9855ebf1Make cmCommand not inherit from cmObject
237 lines
7.8 KiB
C++
237 lines
7.8 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#include "cmMacroCommand.h"
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#include "cmAlgorithms.h"
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#include "cmState.h"
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#include "cmSystemTools.h"
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#include "cmake.h"
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// define the class for macro commands
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class cmMacroHelperCommand : public cmCommand
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{
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public:
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cmMacroHelperCommand() {}
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///! clean up any memory allocated by the macro
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~cmMacroHelperCommand() CM_OVERRIDE {}
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/**
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* This determines if the command is defined in a cmake script.
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*/
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bool IsUserDefined() const CM_OVERRIDE { return true; }
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/**
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* This is a virtual constructor for the command.
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*/
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cmCommand* Clone() CM_OVERRIDE
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{
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cmMacroHelperCommand* newC = new cmMacroHelperCommand;
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// we must copy when we clone
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newC->Args = this->Args;
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newC->Functions = this->Functions;
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newC->FilePath = this->FilePath;
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newC->Policies = this->Policies;
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return newC;
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}
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/**
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* This determines if the command is invoked when in script mode.
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*/
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bool IsScriptable() const CM_OVERRIDE { return true; }
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/**
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* This is called when the command is first encountered in
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* the CMakeLists.txt file.
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*/
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bool InvokeInitialPass(const std::vector<cmListFileArgument>& args,
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cmExecutionStatus&) CM_OVERRIDE;
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bool InitialPass(std::vector<std::string> const&,
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cmExecutionStatus&) CM_OVERRIDE
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{
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return false;
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}
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/**
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* The name of the command as specified in CMakeList.txt.
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*/
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std::string GetName() const CM_OVERRIDE { return this->Args[0]; }
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std::vector<std::string> Args;
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std::vector<cmListFileFunction> Functions;
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cmPolicies::PolicyMap Policies;
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std::string FilePath;
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};
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bool cmMacroHelperCommand::InvokeInitialPass(
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const std::vector<cmListFileArgument>& args, cmExecutionStatus& inStatus)
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{
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// Expand the argument list to the macro.
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std::vector<std::string> expandedArgs;
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this->Makefile->ExpandArguments(args, expandedArgs);
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// make sure the number of arguments passed is at least the number
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// required by the signature
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if (expandedArgs.size() < this->Args.size() - 1) {
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std::string errorMsg =
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"Macro invoked with incorrect arguments for macro named: ";
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errorMsg += this->Args[0];
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this->SetError(errorMsg);
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return false;
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}
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cmMakefile::MacroPushPop macroScope(this->Makefile, this->FilePath,
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this->Policies);
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// set the value of argc
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std::ostringstream argcDefStream;
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argcDefStream << expandedArgs.size();
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std::string argcDef = argcDefStream.str();
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std::vector<std::string>::const_iterator eit =
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expandedArgs.begin() + (this->Args.size() - 1);
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std::string expandedArgn = cmJoin(cmMakeRange(eit, expandedArgs.end()), ";");
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std::string expandedArgv = cmJoin(expandedArgs, ";");
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std::vector<std::string> variables;
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variables.reserve(this->Args.size() - 1);
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for (unsigned int j = 1; j < this->Args.size(); ++j) {
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variables.push_back("${" + this->Args[j] + "}");
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}
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std::vector<std::string> argVs;
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argVs.reserve(expandedArgs.size());
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char argvName[60];
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for (unsigned int j = 0; j < expandedArgs.size(); ++j) {
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sprintf(argvName, "${ARGV%i}", j);
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argVs.push_back(argvName);
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}
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// Invoke all the functions that were collected in the block.
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cmListFileFunction newLFF;
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// for each function
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for (unsigned int c = 0; c < this->Functions.size(); ++c) {
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// Replace the formal arguments and then invoke the command.
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newLFF.Arguments.clear();
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newLFF.Arguments.reserve(this->Functions[c].Arguments.size());
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newLFF.Name = this->Functions[c].Name;
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newLFF.Line = this->Functions[c].Line;
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// for each argument of the current function
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for (std::vector<cmListFileArgument>::iterator k =
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this->Functions[c].Arguments.begin();
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k != this->Functions[c].Arguments.end(); ++k) {
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cmListFileArgument arg;
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arg.Value = k->Value;
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if (k->Delim != cmListFileArgument::Bracket) {
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// replace formal arguments
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for (unsigned int j = 0; j < variables.size(); ++j) {
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cmSystemTools::ReplaceString(arg.Value, variables[j],
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expandedArgs[j]);
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}
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// replace argc
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cmSystemTools::ReplaceString(arg.Value, "${ARGC}", argcDef);
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cmSystemTools::ReplaceString(arg.Value, "${ARGN}", expandedArgn);
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cmSystemTools::ReplaceString(arg.Value, "${ARGV}", expandedArgv);
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// if the current argument of the current function has ${ARGV in it
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// then try replacing ARGV values
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if (arg.Value.find("${ARGV") != std::string::npos) {
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for (unsigned int t = 0; t < expandedArgs.size(); ++t) {
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cmSystemTools::ReplaceString(arg.Value, argVs[t], expandedArgs[t]);
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}
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}
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}
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arg.Delim = k->Delim;
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arg.Line = k->Line;
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newLFF.Arguments.push_back(arg);
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}
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cmExecutionStatus status;
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if (!this->Makefile->ExecuteCommand(newLFF, status) ||
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status.GetNestedError()) {
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// The error message should have already included the call stack
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// so we do not need to report an error here.
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macroScope.Quiet();
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inStatus.SetNestedError(true);
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return false;
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}
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if (status.GetReturnInvoked()) {
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inStatus.SetReturnInvoked(true);
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return true;
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}
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if (status.GetBreakInvoked()) {
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inStatus.SetBreakInvoked(true);
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return true;
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}
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}
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return true;
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}
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bool cmMacroFunctionBlocker::IsFunctionBlocked(const cmListFileFunction& lff,
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cmMakefile& mf,
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cmExecutionStatus&)
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{
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// record commands until we hit the ENDMACRO
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// at the ENDMACRO call we shift gears and start looking for invocations
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if (!cmSystemTools::Strucmp(lff.Name.c_str(), "macro")) {
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this->Depth++;
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} else if (!cmSystemTools::Strucmp(lff.Name.c_str(), "endmacro")) {
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// if this is the endmacro for this macro then execute
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if (!this->Depth) {
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mf.AppendProperty("MACROS", this->Args[0].c_str());
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// create a new command and add it to cmake
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cmMacroHelperCommand* f = new cmMacroHelperCommand();
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f->Args = this->Args;
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f->Functions = this->Functions;
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f->FilePath = this->GetStartingContext().FilePath;
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mf.RecordPolicies(f->Policies);
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std::string newName = "_" + this->Args[0];
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mf.GetState()->RenameCommand(this->Args[0], newName);
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mf.GetState()->AddCommand(f);
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// remove the function blocker now that the macro is defined
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mf.RemoveFunctionBlocker(this, lff);
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return true;
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}
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// decrement for each nested macro that ends
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this->Depth--;
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}
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// if it wasn't an endmacro and we are not executing then we must be
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// recording
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this->Functions.push_back(lff);
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return true;
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}
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bool cmMacroFunctionBlocker::ShouldRemove(const cmListFileFunction& lff,
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cmMakefile& mf)
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{
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if (!cmSystemTools::Strucmp(lff.Name.c_str(), "endmacro")) {
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std::vector<std::string> expandedArguments;
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mf.ExpandArguments(lff.Arguments, expandedArguments,
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this->GetStartingContext().FilePath.c_str());
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// if the endmacro has arguments make sure they
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// match the arguments of the macro
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if ((expandedArguments.empty() ||
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(expandedArguments[0] == this->Args[0]))) {
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return true;
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}
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}
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return false;
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}
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bool cmMacroCommand::InitialPass(std::vector<std::string> const& args,
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cmExecutionStatus&)
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{
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if (args.empty()) {
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this->SetError("called with incorrect number of arguments");
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return false;
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}
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// create a function blocker
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cmMacroFunctionBlocker* f = new cmMacroFunctionBlocker();
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f->Args.insert(f->Args.end(), args.begin(), args.end());
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this->Makefile->AddFunctionBlocker(f);
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return true;
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}
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