std::string Help;
unsigned Flags;
- // We need t provide a default constructor since
- // StringMap can only store DefaultConstructible objects
+ // We need to provide a default constructor because
+ // StringMap can only store DefaultConstructible objects.
GlobalOptionDescription() : OptionDescription(), Flags(0)
{}
};
-// Tool-local option description
+// Tool-local option description.
-// Properties without arguments are implemented as flags
+// Properties without arguments are implemented as flags.
namespace ToolOptionDescriptionFlags {
enum ToolOptionDescriptionFlags { StopCompilation = 0x1,
Forward = 0x2, UnpackValues = 0x4};
/// CollectProperties - Function object for iterating over a list of
-/// tool property records
+/// tool property records.
class CollectProperties {
private:
/// CollectToolProperties - Gather information from the parsed
-/// TableGen data (basically a wrapper for CollectProperties).
+/// TableGen data (basically a wrapper for the CollectProperties
+/// function object).
void CollectToolProperties (RecordVector::const_iterator B,
RecordVector::const_iterator E,
ToolPropertiesList& TPList,
}
}
-/// EmitOptionPropertyHandlingCode - Used by EmitGenerateActionMethod.
+/// EmitForwardOptionPropertyHandlingCode - Helper function used to
+/// implement EmitOptionPropertyHandlingCode(). Emits code for
+/// handling the (forward) option property.
+void EmitForwardOptionPropertyHandlingCode (const ToolOptionDescription& D,
+ std::ostream& O) {
+ switch (D.Type) {
+ case OptionType::Switch:
+ O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
+ break;
+ case OptionType::Parameter:
+ O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
+ O << Indent3 << "vec.push_back(" << D.GenVariableName() << ");\n";
+ break;
+ case OptionType::Prefix:
+ O << Indent3 << "vec.push_back(\"-" << D.Name << "\" + "
+ << D.GenVariableName() << ");\n";
+ break;
+ case OptionType::PrefixList:
+ O << Indent3 << "for (" << D.GenTypeDeclaration()
+ << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
+ << Indent3 << "E = " << D.GenVariableName() << ".end(); B != E; ++B)\n"
+ << Indent4 << "vec.push_back(\"-" << D.Name << "\" + "
+ << "*B);\n";
+ break;
+ case OptionType::ParameterList:
+ O << Indent3 << "for (" << D.GenTypeDeclaration()
+ << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
+ << Indent3 << "E = " << D.GenVariableName()
+ << ".end() ; B != E; ++B) {\n"
+ << Indent4 << "vec.push_back(\"-" << D.Name << "\");\n"
+ << Indent4 << "vec.push_back(*B);\n"
+ << Indent3 << "}\n";
+ break;
+ }
+}
+
+/// EmitOptionPropertyHandlingCode - Helper function used by
+/// EmitGenerateActionMethod(). Emits code that handles option
+/// properties.
void EmitOptionPropertyHandlingCode (const ToolProperties& P,
const ToolOptionDescription& D,
std::ostream& O)
{
- // if clause
+ // Start of the if-clause.
O << Indent2 << "if (";
if (D.Type == OptionType::Switch)
O << D.GenVariableName();
O <<") {\n";
- // Handle option properties that take an argument
+ // Handle option properties that take an argument.
for (OptionPropertyList::const_iterator B = D.Props.begin(),
E = D.Props.end(); B!=E; ++B) {
const OptionProperty& val = *B;
// Handle flags
// (forward) property
- if (D.isForward()) {
- switch (D.Type) {
- case OptionType::Switch:
- O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
- break;
- case OptionType::Parameter:
- O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
- O << Indent3 << "vec.push_back(" << D.GenVariableName() << ");\n";
- break;
- case OptionType::Prefix:
- O << Indent3 << "vec.push_back(\"-" << D.Name << "\" + "
- << D.GenVariableName() << ");\n";
- break;
- case OptionType::PrefixList:
- O << Indent3 << "for (" << D.GenTypeDeclaration()
- << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
- << Indent3 << "E = " << D.GenVariableName() << ".end(); B != E; ++B)\n"
- << Indent4 << "vec.push_back(\"-" << D.Name << "\" + "
- << "*B);\n";
- break;
- case OptionType::ParameterList:
- O << Indent3 << "for (" << D.GenTypeDeclaration()
- << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
- << Indent3 << "E = " << D.GenVariableName()
- << ".end() ; B != E; ++B) {\n"
- << Indent4 << "vec.push_back(\"-" << D.Name << "\");\n"
- << Indent4 << "vec.push_back(*B);\n"
- << Indent3 << "}\n";
- break;
- }
- }
+ if (D.isForward())
+ HandleForwardPropertyy(O);
// (unpack_values) property
if (D.isUnpackValues()) {
}
}
- // close if clause
+ // End of the if-clause.
O << Indent2 << "}\n";
}
-// EmitGenerateActionMethod - Emit one of two versions of
-// GenerateAction method.
-void EmitGenerateActionMethod (const ToolProperties& P, int V, std::ostream& O)
+// EmitGenerateActionMethod - Emit one of two versions of the
+// Tool::GenerateAction() method.
+void EmitGenerateActionMethod (const ToolProperties& P, bool V, std::ostream& O)
{
- assert(V==1 || V==2);
- if (V==1)
+ if (V)
O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n";
else
O << Indent1 << "Action GenerateAction(const sys::Path& inFile,\n";
const std::string& cmd = *I;
O << Indent2;
if (cmd == "$INFILE") {
- if (V==1)
+ if (V)
O << "for (PathVector::const_iterator B = inFiles.begin()"
<< ", E = inFiles.end();\n"
<< Indent2 << "B != E; ++B)\n"
}
}
- // For every understood option, emit handling code
+ // For every understood option, emit handling code.
for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(),
E = P.OptDescs.end(); B != E; ++B) {
const ToolOptionDescription& val = B->second;
EmitOptionPropertyHandlingCode(P, val, O);
}
- // Handle Sink property
+ // Handle the Sink property.
if (P.isSink()) {
O << Indent2 << "if (!" << SinkOptionName << ".empty()) {\n"
<< Indent3 << "vec.insert(vec.end(), "
<< Indent1 << "}\n\n";
}
-/// EmitGenerateActionMethods - Emit two GenerateAction methods for a given
-/// Tool class.
+/// EmitGenerateActionMethods - Emit two GenerateAction() methods for
+/// a given Tool class.
void EmitGenerateActionMethods (const ToolProperties& P, std::ostream& O) {
if (!P.isJoin())
EmitGenerateActionMethod(P, 2, O);
}
-/// EmitIsLastMethod - Emit IsLast() method for a given Tool class
+/// EmitIsLastMethod - Emit the IsLast() method for a given Tool
+/// class.
void EmitIsLastMethod (const ToolProperties& P, std::ostream& O) {
O << Indent1 << "bool IsLast() const {\n"
<< Indent2 << "bool last = false;\n";