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https://github.com/c64scene-ar/llvm-6502.git
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Reapply 50867: A small refactoring (extract method) + some comment fixes.
Fixed the build breakage, sorry for that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50895 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mikhail Glushenkov
parent
4ca7913072
commit
8e7254cd44
@ -15,7 +15,7 @@ class Tool<list<dag> l> {
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list<dag> properties = l;
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}
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// Special Tool instance - graph root.
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// Special Tool instance - the root node of the compilation graph.
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def root : Tool<[]>;
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@ -47,6 +47,7 @@ def required;
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// Possible edge properties
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// 'Atomic' properties.
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def switch_on;
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def parameter_equals;
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def element_in_list;
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@ -163,8 +163,8 @@ struct GlobalOptionDescription : public OptionDescription {
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std::string Help;
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unsigned Flags;
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// We need t provide a default constructor since
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// StringMap can only store DefaultConstructible objects
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// We need to provide a default constructor because
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// StringMap can only store DefaultConstructible objects.
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GlobalOptionDescription() : OptionDescription(), Flags(0)
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{}
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@ -222,9 +222,9 @@ struct GlobalOptionDescriptions {
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};
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// Tool-local option description
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// Tool-local option description.
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// Properties without arguments are implemented as flags
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// Properties without arguments are implemented as flags.
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namespace ToolOptionDescriptionFlags {
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enum ToolOptionDescriptionFlags { StopCompilation = 0x1,
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Forward = 0x2, UnpackValues = 0x4};
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@ -314,7 +314,7 @@ typedef std::vector<IntrusiveRefCntPtr<ToolProperties> > ToolPropertiesList;
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/// CollectProperties - Function object for iterating over a list of
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/// tool property records
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/// tool property records.
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class CollectProperties {
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private:
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@ -569,7 +569,8 @@ bool CollectProperties::staticMembersInitialized_ = false;
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/// CollectToolProperties - Gather information from the parsed
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/// TableGen data (basically a wrapper for CollectProperties).
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/// TableGen data (basically a wrapper for the CollectProperties
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/// function object).
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void CollectToolProperties (RecordVector::const_iterator B,
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RecordVector::const_iterator E,
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ToolPropertiesList& TPList,
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@ -589,12 +590,50 @@ void CollectToolProperties (RecordVector::const_iterator B,
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}
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}
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/// EmitOptionPropertyHandlingCode - Used by EmitGenerateActionMethod.
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/// EmitForwardOptionPropertyHandlingCode - Helper function used to
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/// implement EmitOptionPropertyHandlingCode(). Emits code for
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/// handling the (forward) option property.
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void EmitForwardOptionPropertyHandlingCode (const ToolOptionDescription& D,
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std::ostream& O) {
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switch (D.Type) {
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case OptionType::Switch:
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O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
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break;
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case OptionType::Parameter:
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O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
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O << Indent3 << "vec.push_back(" << D.GenVariableName() << ");\n";
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break;
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case OptionType::Prefix:
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O << Indent3 << "vec.push_back(\"-" << D.Name << "\" + "
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<< D.GenVariableName() << ");\n";
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break;
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case OptionType::PrefixList:
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O << Indent3 << "for (" << D.GenTypeDeclaration()
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<< "::iterator B = " << D.GenVariableName() << ".begin(),\n"
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<< Indent3 << "E = " << D.GenVariableName() << ".end(); B != E; ++B)\n"
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<< Indent4 << "vec.push_back(\"-" << D.Name << "\" + "
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<< "*B);\n";
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break;
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case OptionType::ParameterList:
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O << Indent3 << "for (" << D.GenTypeDeclaration()
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<< "::iterator B = " << D.GenVariableName() << ".begin(),\n"
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<< Indent3 << "E = " << D.GenVariableName()
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<< ".end() ; B != E; ++B) {\n"
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<< Indent4 << "vec.push_back(\"-" << D.Name << "\");\n"
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<< Indent4 << "vec.push_back(*B);\n"
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<< Indent3 << "}\n";
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break;
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}
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}
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/// EmitOptionPropertyHandlingCode - Helper function used by
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/// EmitGenerateActionMethod(). Emits code that handles option
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/// properties.
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void EmitOptionPropertyHandlingCode (const ToolProperties& P,
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const ToolOptionDescription& D,
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std::ostream& O)
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{
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// if clause
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// Start of the if-clause.
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O << Indent2 << "if (";
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if (D.Type == OptionType::Switch)
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O << D.GenVariableName();
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@ -603,7 +642,7 @@ void EmitOptionPropertyHandlingCode (const ToolProperties& P,
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O <<") {\n";
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// Handle option properties that take an argument
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// Handle option properties that take an argument.
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for (OptionPropertyList::const_iterator B = D.Props.begin(),
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E = D.Props.end(); B!=E; ++B) {
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const OptionProperty& val = *B;
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@ -622,37 +661,8 @@ void EmitOptionPropertyHandlingCode (const ToolProperties& P,
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// Handle flags
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// (forward) property
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if (D.isForward()) {
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switch (D.Type) {
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case OptionType::Switch:
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O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
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break;
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case OptionType::Parameter:
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O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
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O << Indent3 << "vec.push_back(" << D.GenVariableName() << ");\n";
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break;
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case OptionType::Prefix:
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O << Indent3 << "vec.push_back(\"-" << D.Name << "\" + "
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<< D.GenVariableName() << ");\n";
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break;
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case OptionType::PrefixList:
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O << Indent3 << "for (" << D.GenTypeDeclaration()
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<< "::iterator B = " << D.GenVariableName() << ".begin(),\n"
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<< Indent3 << "E = " << D.GenVariableName() << ".end(); B != E; ++B)\n"
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<< Indent4 << "vec.push_back(\"-" << D.Name << "\" + "
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<< "*B);\n";
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break;
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case OptionType::ParameterList:
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O << Indent3 << "for (" << D.GenTypeDeclaration()
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<< "::iterator B = " << D.GenVariableName() << ".begin(),\n"
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<< Indent3 << "E = " << D.GenVariableName()
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<< ".end() ; B != E; ++B) {\n"
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<< Indent4 << "vec.push_back(\"-" << D.Name << "\");\n"
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<< Indent4 << "vec.push_back(*B);\n"
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<< Indent3 << "}\n";
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break;
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}
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}
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if (D.isForward())
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EmitForwardOptionPropertyHandlingCode(D, O);
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// (unpack_values) property
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if (D.isUnpackValues()) {
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@ -673,16 +683,15 @@ void EmitOptionPropertyHandlingCode (const ToolProperties& P,
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}
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}
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// close if clause
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// End of the if-clause.
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O << Indent2 << "}\n";
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}
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// EmitGenerateActionMethod - Emit one of two versions of
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// GenerateAction method.
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void EmitGenerateActionMethod (const ToolProperties& P, int V, std::ostream& O)
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// EmitGenerateActionMethod - Emit one of two versions of the
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// Tool::GenerateAction() method.
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void EmitGenerateActionMethod (const ToolProperties& P, bool V, std::ostream& O)
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{
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assert(V==1 || V==2);
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if (V==1)
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if (V)
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O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n";
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else
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O << Indent1 << "Action GenerateAction(const sys::Path& inFile,\n";
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@ -701,7 +710,7 @@ void EmitGenerateActionMethod (const ToolProperties& P, int V, std::ostream& O)
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const std::string& cmd = *I;
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O << Indent2;
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if (cmd == "$INFILE") {
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if (V==1)
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if (V)
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O << "for (PathVector::const_iterator B = inFiles.begin()"
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<< ", E = inFiles.end();\n"
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<< Indent2 << "B != E; ++B)\n"
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@ -717,14 +726,14 @@ void EmitGenerateActionMethod (const ToolProperties& P, int V, std::ostream& O)
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}
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}
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// For every understood option, emit handling code
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// For every understood option, emit handling code.
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for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(),
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E = P.OptDescs.end(); B != E; ++B) {
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const ToolOptionDescription& val = B->second;
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EmitOptionPropertyHandlingCode(P, val, O);
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}
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// Handle Sink property
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// Handle the Sink property.
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if (P.isSink()) {
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O << Indent2 << "if (!" << SinkOptionName << ".empty()) {\n"
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<< Indent3 << "vec.insert(vec.end(), "
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@ -736,8 +745,8 @@ void EmitGenerateActionMethod (const ToolProperties& P, int V, std::ostream& O)
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<< Indent1 << "}\n\n";
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}
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/// EmitGenerateActionMethods - Emit two GenerateAction methods for a given
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/// Tool class.
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/// EmitGenerateActionMethods - Emit two GenerateAction() methods for
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/// a given Tool class.
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void EmitGenerateActionMethods (const ToolProperties& P, std::ostream& O) {
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if (!P.isJoin())
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@ -748,12 +757,13 @@ void EmitGenerateActionMethods (const ToolProperties& P, std::ostream& O) {
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<< " is not a Join tool!\");\n"
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<< Indent1 << "}\n\n";
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else
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EmitGenerateActionMethod(P, 1, O);
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EmitGenerateActionMethod(P, true, O);
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EmitGenerateActionMethod(P, 2, O);
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EmitGenerateActionMethod(P, false, O);
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}
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/// EmitIsLastMethod - Emit IsLast() method for a given Tool class
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/// EmitIsLastMethod - Emit the IsLast() method for a given Tool
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/// class.
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void EmitIsLastMethod (const ToolProperties& P, std::ostream& O) {
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O << Indent1 << "bool IsLast() const {\n"
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<< Indent2 << "bool last = false;\n";
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