#include "Record.h"
#include "llvm/ADT/IntrusiveRefCntPtr.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringSet.h"
-#include "llvm/Support/Streams.h"
#include <algorithm>
#include <cassert>
//===----------------------------------------------------------------------===//
/// Constants
-// Indentation strings.
-const char * Indent1 = " ";
-const char * Indent2 = " ";
-const char * Indent3 = " ";
+// Indentation.
+const unsigned TabWidth = 4;
+const unsigned Indent1 = TabWidth*1;
+const unsigned Indent2 = TabWidth*2;
+const unsigned Indent3 = TabWidth*3;
+const unsigned Indent4 = TabWidth*4;
// Default help string.
-const char * DefaultHelpString = "NO HELP MESSAGE PROVIDED";
+const char * const DefaultHelpString = "NO HELP MESSAGE PROVIDED";
// Name for the "sink" option.
-const char * SinkOptionName = "AutoGeneratedSinkOption";
+const char * const SinkOptionName = "AutoGeneratedSinkOption";
//===----------------------------------------------------------------------===//
/// Helper functions
/// Id - An 'identity' function object.
struct Id {
- template<typename T>
- void operator()(const T&) const {
+ template<typename T0>
+ void operator()(const T0&) const {
+ }
+ template<typename T0, typename T1>
+ void operator()(const T0&, const T1&) const {
+ }
+ template<typename T0, typename T1, typename T2>
+ void operator()(const T0&, const T1&, const T2&) const {
}
};
return val;
}
-// checkNumberOfArguments - Ensure that the number of args in d is
-// less than or equal to min_arguments, otherwise throw an exception.
-void checkNumberOfArguments (const DagInit* d, unsigned min_arguments) {
- if (d->getNumArgs() < min_arguments)
- throw "Property " + d->getOperator()->getAsString()
- + " has too few arguments!";
+const std::string GetOperatorName(const DagInit& D) {
+ return D.getOperator()->getAsString();
+}
+
+/// CheckBooleanConstant - Check that the provided value is a boolean constant.
+void CheckBooleanConstant(const Init* I) {
+ const DefInit& val = dynamic_cast<const DefInit&>(*I);
+ const std::string& str = val.getAsString();
+
+ if (str != "true" && str != "false") {
+ throw "Incorrect boolean value: '" + str +
+ "': must be either 'true' or 'false'";
+ }
+}
+
+// CheckNumberOfArguments - Ensure that the number of args in d is
+// greater than or equal to min_arguments, otherwise throw an exception.
+void CheckNumberOfArguments (const DagInit& d, unsigned minArgs) {
+ if (d.getNumArgs() < minArgs)
+ throw GetOperatorName(d) + ": too few arguments!";
}
-// isDagEmpty - is this DAG marked with an empty marker?
-bool isDagEmpty (const DagInit* d) {
- return d->getOperator()->getAsString() == "empty";
+// IsDagEmpty - is this DAG marked with an empty marker?
+bool IsDagEmpty (const DagInit& d) {
+ return GetOperatorName(d) == "empty_dag_marker";
}
// EscapeVariableName - Escape commas and other symbols not allowed
// in the C++ variable names. Makes it possible to use options named
// like "Wa," (useful for prefix options).
-std::string EscapeVariableName(const std::string& Var) {
+std::string EscapeVariableName (const std::string& Var) {
std::string ret;
for (unsigned i = 0; i != Var.size(); ++i) {
char cur_char = Var[i];
return ret;
}
+/// EscapeQuotes - Replace '"' with '\"'.
+std::string EscapeQuotes (const std::string& Var) {
+ std::string ret;
+ for (unsigned i = 0; i != Var.size(); ++i) {
+ char cur_char = Var[i];
+ if (cur_char == '"') {
+ ret += "\\\"";
+ }
+ else {
+ ret.push_back(cur_char);
+ }
+ }
+ return ret;
+}
+
+/// OneOf - Does the input string contain this character?
+bool OneOf(const char* lst, char c) {
+ while (*lst) {
+ if (*lst++ == c)
+ return true;
+ }
+ return false;
+}
+
+template <class I, class S>
+void CheckedIncrement(I& P, I E, S ErrorString) {
+ ++P;
+ if (P == E)
+ throw ErrorString;
+}
+
+// apply is needed because C++'s syntax doesn't let us construct a function
+// object and call it in the same statement.
+template<typename F, typename T0>
+void apply(F Fun, T0& Arg0) {
+ return Fun(Arg0);
+}
+
+template<typename F, typename T0, typename T1>
+void apply(F Fun, T0& Arg0, T1& Arg1) {
+ return Fun(Arg0, Arg1);
+}
+
//===----------------------------------------------------------------------===//
/// Back-end specific code
/// OptionType - One of six different option types. See the
/// documentation for detailed description of differences.
-/// Extern* options are those that are defined in some other plugin.
namespace OptionType {
- enum OptionType { Alias, Switch, Parameter, ParameterList,
- Prefix, PrefixList,
- ExternSwitch, ExternParameter, ExternList };
-bool IsList (OptionType t) {
- return (t == ParameterList || t == PrefixList || t == ExternList);
-}
+ enum OptionType { Alias, Switch, SwitchList,
+ Parameter, ParameterList, Prefix, PrefixList };
-bool IsSwitch (OptionType t) {
- return (t == Switch || t == ExternSwitch);
-}
+ bool IsAlias(OptionType t) {
+ return (t == Alias);
+ }
-bool IsParameter (OptionType t) {
- return (t == Parameter || t == Prefix || t == ExternParameter);
-}
+ bool IsList (OptionType t) {
+ return (t == SwitchList || t == ParameterList || t == PrefixList);
+ }
+
+ bool IsSwitch (OptionType t) {
+ return (t == Switch);
+ }
+
+ bool IsSwitchList (OptionType t) {
+ return (t == SwitchList);
+ }
+
+ bool IsParameter (OptionType t) {
+ return (t == Parameter || t == Prefix);
+ }
}
return OptionType::Alias;
else if (T == "switch_option")
return OptionType::Switch;
+ else if (T == "switch_list_option")
+ return OptionType::SwitchList;
else if (T == "parameter_option")
return OptionType::Parameter;
else if (T == "parameter_list_option")
return OptionType::Prefix;
else if (T == "prefix_list_option")
return OptionType::PrefixList;
- else if (T == "extern_switch")
- return OptionType::ExternSwitch;
- else if (T == "extern_parameter")
- return OptionType::ExternParameter;
- else if (T == "extern_list")
- return OptionType::ExternList;
else
throw "Unknown option type: " + T + '!';
}
namespace OptionDescriptionFlags {
enum OptionDescriptionFlags { Required = 0x1, Hidden = 0x2,
- ReallyHidden = 0x4 };
+ ReallyHidden = 0x4, OneOrMore = 0x8,
+ Optional = 0x10, CommaSeparated = 0x20,
+ ForwardNotSplit = 0x40, ZeroOrMore = 0x80 };
}
/// OptionDescription - Represents data contained in a single
std::string Name;
unsigned Flags;
std::string Help;
+ unsigned MultiVal;
+ Init* InitVal;
OptionDescription(OptionType::OptionType t = OptionType::Switch,
const std::string& n = "",
const std::string& h = DefaultHelpString)
- : Type(t), Name(n), Flags(0x0), Help(h)
+ : Type(t), Name(n), Flags(0x0), Help(h), MultiVal(1), InitVal(0)
{}
/// GenTypeDeclaration - Returns the C++ variable type of this
/// Merge - Merge two option descriptions.
void Merge (const OptionDescription& other);
+ /// CheckConsistency - Check that the flags are consistent.
+ void CheckConsistency() const;
+
// Misc convenient getters/setters.
bool isAlias() const;
- bool isExtern() const;
+
+ bool isMultiVal() const;
+
+ bool isCommaSeparated() const;
+ void setCommaSeparated();
+
+ bool isForwardNotSplit() const;
+ void setForwardNotSplit();
bool isRequired() const;
void setRequired();
+ bool isOneOrMore() const;
+ void setOneOrMore();
+
+ bool isZeroOrMore() const;
+ void setZeroOrMore();
+
+ bool isOptional() const;
+ void setOptional();
+
bool isHidden() const;
void setHidden();
bool isReallyHidden() const;
void setReallyHidden();
+
+ bool isSwitch() const
+ { return OptionType::IsSwitch(this->Type); }
+
+ bool isSwitchList() const
+ { return OptionType::IsSwitchList(this->Type); }
+
+ bool isParameter() const
+ { return OptionType::IsParameter(this->Type); }
+
+ bool isList() const
+ { return OptionType::IsList(this->Type); }
+
+ bool isParameterList() const
+ { return (OptionType::IsList(this->Type)
+ && !OptionType::IsSwitchList(this->Type)); }
+
};
+void OptionDescription::CheckConsistency() const {
+ unsigned i = 0;
+
+ i += this->isRequired();
+ i += this->isOptional();
+ i += this->isOneOrMore();
+ i += this->isZeroOrMore();
+
+ if (i > 1) {
+ throw "Only one of (required), (optional), (one_or_more) or "
+ "(zero_or_more) properties is allowed!";
+ }
+}
+
void OptionDescription::Merge (const OptionDescription& other)
{
if (other.Type != Type)
if (Help == other.Help || Help == DefaultHelpString)
Help = other.Help;
else if (other.Help != DefaultHelpString) {
- llvm::cerr << "Warning: several different help strings"
+ llvm::errs() << "Warning: several different help strings"
" defined for option " + Name + "\n";
}
}
bool OptionDescription::isAlias() const {
- return Type == OptionType::Alias;
+ return OptionType::IsAlias(this->Type);
+}
+
+bool OptionDescription::isMultiVal() const {
+ return MultiVal > 1;
+}
+
+bool OptionDescription::isCommaSeparated() const {
+ return Flags & OptionDescriptionFlags::CommaSeparated;
+}
+void OptionDescription::setCommaSeparated() {
+ Flags |= OptionDescriptionFlags::CommaSeparated;
}
-bool OptionDescription::isExtern() const {
- return (Type == OptionType::ExternList || Type == OptionType::ExternParameter
- || Type == OptionType::ExternSwitch);
+bool OptionDescription::isForwardNotSplit() const {
+ return Flags & OptionDescriptionFlags::ForwardNotSplit;
+}
+void OptionDescription::setForwardNotSplit() {
+ Flags |= OptionDescriptionFlags::ForwardNotSplit;
}
bool OptionDescription::isRequired() const {
Flags |= OptionDescriptionFlags::Required;
}
+bool OptionDescription::isOneOrMore() const {
+ return Flags & OptionDescriptionFlags::OneOrMore;
+}
+void OptionDescription::setOneOrMore() {
+ Flags |= OptionDescriptionFlags::OneOrMore;
+}
+
+bool OptionDescription::isZeroOrMore() const {
+ return Flags & OptionDescriptionFlags::ZeroOrMore;
+}
+void OptionDescription::setZeroOrMore() {
+ Flags |= OptionDescriptionFlags::ZeroOrMore;
+}
+
+bool OptionDescription::isOptional() const {
+ return Flags & OptionDescriptionFlags::Optional;
+}
+void OptionDescription::setOptional() {
+ Flags |= OptionDescriptionFlags::Optional;
+}
+
bool OptionDescription::isHidden() const {
return Flags & OptionDescriptionFlags::Hidden;
}
switch (Type) {
case OptionType::Alias:
return "cl::alias";
- case OptionType::ExternList:
case OptionType::PrefixList:
case OptionType::ParameterList:
return "cl::list<std::string>";
case OptionType::Switch:
- case OptionType::ExternSwitch:
return "cl::opt<bool>";
- case OptionType::ExternParameter:
+ case OptionType::SwitchList:
+ return "cl::list<bool>";
case OptionType::Parameter:
case OptionType::Prefix:
default:
return "AutoGeneratedAlias_" + EscapedName;
case OptionType::PrefixList:
case OptionType::ParameterList:
- case OptionType::ExternList:
return "AutoGeneratedList_" + EscapedName;
- case OptionType::ExternSwitch:
case OptionType::Switch:
return "AutoGeneratedSwitch_" + EscapedName;
- case OptionType::ExternParameter:
+ case OptionType::SwitchList:
+ return "AutoGeneratedSwitchList_" + EscapedName;
case OptionType::Prefix:
case OptionType::Parameter:
default:
/// FindOption - exception-throwing wrapper for find().
const OptionDescription& FindOption(const std::string& OptName) const;
+ // Wrappers for FindOption that throw an exception in case the option has a
+ // wrong type.
+ const OptionDescription& FindSwitch(const std::string& OptName) const;
+ const OptionDescription& FindParameter(const std::string& OptName) const;
+ const OptionDescription& FindList(const std::string& OptName) const;
+ const OptionDescription& FindParameterList(const std::string& OptName) const;
+ const OptionDescription&
+ FindListOrParameter(const std::string& OptName) const;
+ const OptionDescription&
+ FindParameterListOrParameter(const std::string& OptName) const;
+
/// insertDescription - Insert new OptionDescription into
/// OptionDescriptions list
void InsertDescription (const OptionDescription& o);
};
const OptionDescription&
-OptionDescriptions::FindOption(const std::string& OptName) const
-{
+OptionDescriptions::FindOption(const std::string& OptName) const {
const_iterator I = Descriptions.find(OptName);
if (I != Descriptions.end())
return I->second;
throw OptName + ": no such option!";
}
-void OptionDescriptions::InsertDescription (const OptionDescription& o)
-{
+const OptionDescription&
+OptionDescriptions::FindSwitch(const std::string& OptName) const {
+ const OptionDescription& OptDesc = this->FindOption(OptName);
+ if (!OptDesc.isSwitch())
+ throw OptName + ": incorrect option type - should be a switch!";
+ return OptDesc;
+}
+
+const OptionDescription&
+OptionDescriptions::FindList(const std::string& OptName) const {
+ const OptionDescription& OptDesc = this->FindOption(OptName);
+ if (!OptDesc.isList())
+ throw OptName + ": incorrect option type - should be a list!";
+ return OptDesc;
+}
+
+const OptionDescription&
+OptionDescriptions::FindParameterList(const std::string& OptName) const {
+ const OptionDescription& OptDesc = this->FindOption(OptName);
+ if (!OptDesc.isList() || OptDesc.isSwitchList())
+ throw OptName + ": incorrect option type - should be a parameter list!";
+ return OptDesc;
+}
+
+const OptionDescription&
+OptionDescriptions::FindParameter(const std::string& OptName) const {
+ const OptionDescription& OptDesc = this->FindOption(OptName);
+ if (!OptDesc.isParameter())
+ throw OptName + ": incorrect option type - should be a parameter!";
+ return OptDesc;
+}
+
+const OptionDescription&
+OptionDescriptions::FindListOrParameter(const std::string& OptName) const {
+ const OptionDescription& OptDesc = this->FindOption(OptName);
+ if (!OptDesc.isList() && !OptDesc.isParameter())
+ throw OptName
+ + ": incorrect option type - should be a list or parameter!";
+ return OptDesc;
+}
+
+const OptionDescription&
+OptionDescriptions::FindParameterListOrParameter
+(const std::string& OptName) const {
+ const OptionDescription& OptDesc = this->FindOption(OptName);
+ if ((!OptDesc.isList() && !OptDesc.isParameter()) || OptDesc.isSwitchList())
+ throw OptName
+ + ": incorrect option type - should be a parameter list or parameter!";
+ return OptDesc;
+}
+
+void OptionDescriptions::InsertDescription (const OptionDescription& o) {
container_type::iterator I = Descriptions.find(o.Name);
if (I != Descriptions.end()) {
OptionDescription& D = I->second;
/// HandlerTable - A base class for function objects implemented as
/// 'tables of handlers'.
-template <class T>
+template <typename Handler>
class HandlerTable {
protected:
// Implementation details.
- /// Handler -
- typedef void (T::* Handler) (const DagInit*);
/// HandlerMap - A map from property names to property handlers
typedef StringMap<Handler> HandlerMap;
static HandlerMap Handlers_;
static bool staticMembersInitialized_;
- T* childPtr;
public:
- HandlerTable(T* cp) : childPtr(cp)
- {}
-
- /// operator() - Just forwards to the corresponding property
- /// handler.
- void operator() (Init* i) {
- const DagInit& property = InitPtrToDag(i);
- const std::string& property_name = property.getOperator()->getAsString();
- typename HandlerMap::iterator method = Handlers_.find(property_name);
+ Handler GetHandler (const std::string& HandlerName) const {
+ typename HandlerMap::iterator method = Handlers_.find(HandlerName);
if (method != Handlers_.end()) {
Handler h = method->second;
- (childPtr->*h)(&property);
+ return h;
}
else {
- throw "No handler found for property " + property_name + "!";
+ throw "No handler found for property " + HandlerName + "!";
}
}
- void AddHandler(const char* Property, Handler Handl) {
- Handlers_[Property] = Handl;
+ void AddHandler(const char* Property, Handler H) {
+ Handlers_[Property] = H;
}
+
};
-template <class T> typename HandlerTable<T>::HandlerMap
-HandlerTable<T>::Handlers_;
-template <class T> bool HandlerTable<T>::staticMembersInitialized_ = false;
+template <class Handler, class FunctionObject>
+Handler GetHandler(FunctionObject* Obj, const DagInit& Dag) {
+ const std::string& HandlerName = GetOperatorName(Dag);
+ return Obj->GetHandler(HandlerName);
+}
+
+template <class FunctionObject>
+void InvokeDagInitHandler(FunctionObject* Obj, Init* I) {
+ typedef void (FunctionObject::*Handler) (const DagInit&);
+
+ const DagInit& Dag = InitPtrToDag(I);
+ Handler h = GetHandler<Handler>(Obj, Dag);
+
+ ((Obj)->*(h))(Dag);
+}
+
+template <class FunctionObject>
+void InvokeDagInitHandler(const FunctionObject* const Obj,
+ const Init* I, unsigned IndentLevel, raw_ostream& O)
+{
+ typedef void (FunctionObject::*Handler)
+ (const DagInit&, unsigned IndentLevel, raw_ostream& O) const;
+
+ const DagInit& Dag = InitPtrToDag(I);
+ Handler h = GetHandler<Handler>(Obj, Dag);
+
+ ((Obj)->*(h))(Dag, IndentLevel, O);
+}
+
+
+template <typename H>
+typename HandlerTable<H>::HandlerMap HandlerTable<H>::Handlers_;
+
+template <typename H>
+bool HandlerTable<H>::staticMembersInitialized_ = false;
/// CollectOptionProperties - Function object for iterating over an
/// option property list.
-class CollectOptionProperties : public HandlerTable<CollectOptionProperties> {
+class CollectOptionProperties;
+typedef void (CollectOptionProperties::* CollectOptionPropertiesHandler)
+(const DagInit&);
+
+class CollectOptionProperties
+: public HandlerTable<CollectOptionPropertiesHandler>
+{
private:
/// optDescs_ - OptionDescriptions table. This is where the
public:
explicit CollectOptionProperties(OptionDescription& OD)
- : HandlerTable<CollectOptionProperties>(this), optDesc_(OD)
+ : optDesc_(OD)
{
if (!staticMembersInitialized_) {
AddHandler("help", &CollectOptionProperties::onHelp);
AddHandler("hidden", &CollectOptionProperties::onHidden);
+ AddHandler("init", &CollectOptionProperties::onInit);
+ AddHandler("multi_val", &CollectOptionProperties::onMultiVal);
+ AddHandler("one_or_more", &CollectOptionProperties::onOneOrMore);
+ AddHandler("zero_or_more", &CollectOptionProperties::onZeroOrMore);
AddHandler("really_hidden", &CollectOptionProperties::onReallyHidden);
AddHandler("required", &CollectOptionProperties::onRequired);
+ AddHandler("optional", &CollectOptionProperties::onOptional);
+ AddHandler("comma_separated", &CollectOptionProperties::onCommaSeparated);
+ AddHandler("forward_not_split",
+ &CollectOptionProperties::onForwardNotSplit);
staticMembersInitialized_ = true;
}
}
+ /// operator() - Just forwards to the corresponding property
+ /// handler.
+ void operator() (Init* I) {
+ InvokeDagInitHandler(this, I);
+ }
+
private:
/// Option property handlers --
/// Methods that handle option properties such as (help) or (hidden).
- void onHelp (const DagInit* d) {
- checkNumberOfArguments(d, 1);
- const std::string& help_message = InitPtrToString(d->getArg(0));
- optDesc_.Help = help_message;
+ void onHelp (const DagInit& d) {
+ CheckNumberOfArguments(d, 1);
+ optDesc_.Help = EscapeQuotes(InitPtrToString(d.getArg(0)));
}
- void onHidden (const DagInit* d) {
- checkNumberOfArguments(d, 0);
- checkToolProps(d);
+ void onHidden (const DagInit& d) {
+ CheckNumberOfArguments(d, 0);
optDesc_.setHidden();
}
- void onReallyHidden (const DagInit* d) {
- checkNumberOfArguments(d, 0);
- checkToolProps(d);
+ void onReallyHidden (const DagInit& d) {
+ CheckNumberOfArguments(d, 0);
optDesc_.setReallyHidden();
}
- void onRequired (const DagInit* d) {
- checkNumberOfArguments(d, 0);
- checkToolProps(d);
+ void onCommaSeparated (const DagInit& d) {
+ CheckNumberOfArguments(d, 0);
+ if (!optDesc_.isParameterList())
+ throw "'comma_separated' is valid only on parameter list options!";
+ optDesc_.setCommaSeparated();
+ }
+
+ void onForwardNotSplit (const DagInit& d) {
+ CheckNumberOfArguments(d, 0);
+ if (!optDesc_.isParameter())
+ throw "'forward_not_split' is valid only for parameter options!";
+ optDesc_.setForwardNotSplit();
+ }
+
+ void onRequired (const DagInit& d) {
+ CheckNumberOfArguments(d, 0);
+
optDesc_.setRequired();
+ optDesc_.CheckConsistency();
+ }
+
+ void onInit (const DagInit& d) {
+ CheckNumberOfArguments(d, 1);
+ Init* i = d.getArg(0);
+ const std::string& str = i->getAsString();
+
+ bool correct = optDesc_.isParameter() && dynamic_cast<StringInit*>(i);
+ correct |= (optDesc_.isSwitch() && (str == "true" || str == "false"));
+
+ if (!correct)
+ throw "Incorrect usage of the 'init' option property!";
+
+ optDesc_.InitVal = i;
+ }
+
+ void onOneOrMore (const DagInit& d) {
+ CheckNumberOfArguments(d, 0);
+
+ optDesc_.setOneOrMore();
+ optDesc_.CheckConsistency();
+ }
+
+ void onZeroOrMore (const DagInit& d) {
+ CheckNumberOfArguments(d, 0);
+
+ if (optDesc_.isList())
+ llvm::errs() << "Warning: specifying the 'zero_or_more' property "
+ "on a list option has no effect.\n";
+
+ optDesc_.setZeroOrMore();
+ optDesc_.CheckConsistency();
}
- // Helper functions
+ void onOptional (const DagInit& d) {
+ CheckNumberOfArguments(d, 0);
- /// checkToolProps - Throw an error if toolProps_ == 0.
- void checkToolProps(const DagInit* d) {
- if (!d)
- throw "Option property " + d->getOperator()->getAsString()
- + " can't be used in this context";
+ if (!optDesc_.isList())
+ llvm::errs() << "Warning: specifying the 'optional' property"
+ "on a non-list option has no effect.\n";
+
+ optDesc_.setOptional();
+ optDesc_.CheckConsistency();
+ }
+
+ void onMultiVal (const DagInit& d) {
+ CheckNumberOfArguments(d, 1);
+ int val = InitPtrToInt(d.getArg(0));
+ if (val < 2)
+ throw "Error in the 'multi_val' property: "
+ "the value must be greater than 1!";
+ if (!optDesc_.isParameterList())
+ throw "The multi_val property is valid only on list options!";
+ optDesc_.MultiVal = val;
}
};
void operator()(const Init* i) {
const DagInit& d = InitPtrToDag(i);
- checkNumberOfArguments(&d, 1);
+ CheckNumberOfArguments(d, 1);
const OptionType::OptionType Type =
- stringToOptionType(d.getOperator()->getAsString());
+ stringToOptionType(GetOperatorName(d));
const std::string& Name = InitPtrToString(d.getArg(0));
OptionDescription OD(Type, Name);
- if (!OD.isExtern())
- checkNumberOfArguments(&d, 2);
+
+ CheckNumberOfArguments(d, 2);
if (OD.isAlias()) {
// Aliases store the aliased option name in the 'Help' field.
OD.Help = InitPtrToString(d.getArg(1));
}
- else if (!OD.isExtern()) {
- processOptionProperties(&d, OD);
+ else {
+ processOptionProperties(d, OD);
}
+
OptDescs_.InsertDescription(OD);
}
private:
/// processOptionProperties - Go through the list of option
/// properties and call a corresponding handler for each.
- static void processOptionProperties (const DagInit* d, OptionDescription& o) {
- checkNumberOfArguments(d, 2);
- DagInit::const_arg_iterator B = d->arg_begin();
+ static void processOptionProperties (const DagInit& d, OptionDescription& o) {
+ CheckNumberOfArguments(d, 2);
+ DagInit::const_arg_iterator B = d.arg_begin();
// Skip the first argument: it's always the option name.
++B;
- std::for_each(B, d->arg_end(), CollectOptionProperties(o));
+ std::for_each(B, d.arg_end(), CollectOptionProperties(o));
}
};
Init* CmdLine;
Init* Actions;
StrVector InLanguage;
+ std::string InFileOption;
+ std::string OutFileOption;
std::string OutLanguage;
std::string OutputSuffix;
unsigned Flags;
+ const Init* OnEmpty;
// Various boolean properties
void setSink() { Flags |= ToolFlags::Sink; }
// Default ctor here is needed because StringMap can only store
// DefaultConstructible objects
- ToolDescription() : CmdLine(0), Actions(0), Flags(0) {}
+ ToolDescription ()
+ : CmdLine(0), Actions(0), OutFileOption("-o"),
+ Flags(0), OnEmpty(0)
+ {}
ToolDescription (const std::string& n)
- : Name(n), CmdLine(0), Actions(0), Flags(0)
+ : Name(n), CmdLine(0), Actions(0), OutFileOption("-o"),
+ Flags(0), OnEmpty(0)
{}
};
/// CollectToolProperties - Function object for iterating over a list of
/// tool property records.
-class CollectToolProperties : public HandlerTable<CollectToolProperties> {
+
+class CollectToolProperties;
+typedef void (CollectToolProperties::* CollectToolPropertiesHandler)
+(const DagInit&);
+
+class CollectToolProperties : public HandlerTable<CollectToolPropertiesHandler>
+{
private:
/// toolDesc_ - Properties of the current Tool. This is where the
public:
explicit CollectToolProperties (ToolDescription& d)
- : HandlerTable<CollectToolProperties>(this) , toolDesc_(d)
+ : toolDesc_(d)
{
if (!staticMembersInitialized_) {
AddHandler("actions", &CollectToolProperties::onActions);
- AddHandler("cmd_line", &CollectToolProperties::onCmdLine);
+ AddHandler("command", &CollectToolProperties::onCommand);
AddHandler("in_language", &CollectToolProperties::onInLanguage);
AddHandler("join", &CollectToolProperties::onJoin);
AddHandler("out_language", &CollectToolProperties::onOutLanguage);
+
+ AddHandler("out_file_option", &CollectToolProperties::onOutFileOption);
+ AddHandler("in_file_option", &CollectToolProperties::onInFileOption);
+
AddHandler("output_suffix", &CollectToolProperties::onOutputSuffix);
AddHandler("sink", &CollectToolProperties::onSink);
+ AddHandler("works_on_empty", &CollectToolProperties::onWorksOnEmpty);
staticMembersInitialized_ = true;
}
}
+ void operator() (Init* I) {
+ InvokeDagInitHandler(this, I);
+ }
+
private:
/// Property handlers --
/// Functions that extract information about tool properties from
/// DAG representation.
- void onActions (const DagInit* d) {
- checkNumberOfArguments(d, 1);
- Init* Case = d->getArg(0);
+ void onActions (const DagInit& d) {
+ CheckNumberOfArguments(d, 1);
+ Init* Case = d.getArg(0);
if (typeid(*Case) != typeid(DagInit) ||
- static_cast<DagInit*>(Case)->getOperator()->getAsString() != "case")
- throw
- std::string("The argument to (actions) should be a 'case' construct!");
+ GetOperatorName(static_cast<DagInit&>(*Case)) != "case")
+ throw "The argument to (actions) should be a 'case' construct!";
toolDesc_.Actions = Case;
}
- void onCmdLine (const DagInit* d) {
- checkNumberOfArguments(d, 1);
- toolDesc_.CmdLine = d->getArg(0);
+ void onCommand (const DagInit& d) {
+ CheckNumberOfArguments(d, 1);
+ toolDesc_.CmdLine = d.getArg(0);
}
- void onInLanguage (const DagInit* d) {
- checkNumberOfArguments(d, 1);
- Init* arg = d->getArg(0);
+ void onInLanguage (const DagInit& d) {
+ CheckNumberOfArguments(d, 1);
+ Init* arg = d.getArg(0);
// Find out the argument's type.
if (typeid(*arg) == typeid(StringInit)) {
}
}
- void onJoin (const DagInit* d) {
- checkNumberOfArguments(d, 0);
+ void onJoin (const DagInit& d) {
+ CheckNumberOfArguments(d, 0);
toolDesc_.setJoin();
}
- void onOutLanguage (const DagInit* d) {
- checkNumberOfArguments(d, 1);
- toolDesc_.OutLanguage = InitPtrToString(d->getArg(0));
+ void onOutLanguage (const DagInit& d) {
+ CheckNumberOfArguments(d, 1);
+ toolDesc_.OutLanguage = InitPtrToString(d.getArg(0));
+ }
+
+ void onOutFileOption (const DagInit& d) {
+ CheckNumberOfArguments(d, 1);
+ toolDesc_.OutFileOption = InitPtrToString(d.getArg(0));
}
- void onOutputSuffix (const DagInit* d) {
- checkNumberOfArguments(d, 1);
- toolDesc_.OutputSuffix = InitPtrToString(d->getArg(0));
+ void onInFileOption (const DagInit& d) {
+ CheckNumberOfArguments(d, 1);
+ toolDesc_.InFileOption = InitPtrToString(d.getArg(0));
}
- void onSink (const DagInit* d) {
- checkNumberOfArguments(d, 0);
+ void onOutputSuffix (const DagInit& d) {
+ CheckNumberOfArguments(d, 1);
+ toolDesc_.OutputSuffix = InitPtrToString(d.getArg(0));
+ }
+
+ void onSink (const DagInit& d) {
+ CheckNumberOfArguments(d, 0);
toolDesc_.setSink();
}
-};
+ void onWorksOnEmpty (const DagInit& d) {
+ toolDesc_.OnEmpty = d.getArg(0);
+ }
+};
/// CollectToolDescriptions - Gather information about tool properties
/// from the parsed TableGen data (basically a wrapper for the
}
}
-/// CalculatePriority - Calculate the priority of this plugin.
-int CalculatePriority(RecordVector::const_iterator B,
- RecordVector::const_iterator E) {
- int total = 0;
- for (; B!=E; ++B) {
- total += static_cast<int>((*B)->getValueAsInt("priority"));
- }
- return total;
-}
-
/// NotInGraph - Helper function object for FilterNotInGraph.
struct NotInGraph {
private:
}
if (NodeB == "root")
- throw std::string("Edges back to the root are not allowed!");
+ throw "Edges back to the root are not allowed!";
}
}
/// WalkCase - Walks the 'case' expression DAG and invokes
/// TestCallback on every test, and StatementCallback on every
/// statement. Handles 'case' nesting, but not the 'and' and 'or'
-/// combinators.
-// TODO: Re-implement EmitCaseConstructHandler on top of this function?
+/// combinators (that is, they are passed directly to TestCallback).
+/// TestCallback must have type 'void TestCallback(const DagInit*, unsigned
+/// IndentLevel, bool FirstTest)'.
+/// StatementCallback must have type 'void StatementCallback(const Init*,
+/// unsigned IndentLevel)'.
template <typename F1, typename F2>
-void WalkCase(Init* Case, F1 TestCallback, F2 StatementCallback) {
+void WalkCase(const Init* Case, F1 TestCallback, F2 StatementCallback,
+ unsigned IndentLevel = 0)
+{
const DagInit& d = InitPtrToDag(Case);
+
+ // Error checks.
+ if (GetOperatorName(d) != "case")
+ throw "WalkCase should be invoked only on 'case' expressions!";
+
+ if (d.getNumArgs() < 2)
+ throw "There should be at least one clause in the 'case' expression:\n"
+ + d.getAsString();
+
+ // Main loop.
bool even = false;
+ const unsigned numArgs = d.getNumArgs();
+ unsigned i = 1;
for (DagInit::const_arg_iterator B = d.arg_begin(), E = d.arg_end();
B != E; ++B) {
Init* arg = *B;
- if (even && dynamic_cast<DagInit*>(arg)
- && static_cast<DagInit*>(arg)->getOperator()->getAsString() == "case")
- WalkCase(arg, TestCallback, StatementCallback);
- else if (!even)
- TestCallback(arg);
+
+ if (!even)
+ {
+ // Handle test.
+ const DagInit& Test = InitPtrToDag(arg);
+
+ if (GetOperatorName(Test) == "default" && (i+1 != numArgs))
+ throw "The 'default' clause should be the last in the "
+ "'case' construct!";
+ if (i == numArgs)
+ throw "Case construct handler: no corresponding action "
+ "found for the test " + Test.getAsString() + '!';
+
+ TestCallback(Test, IndentLevel, (i == 1));
+ }
else
- StatementCallback(arg);
+ {
+ if (dynamic_cast<DagInit*>(arg)
+ && GetOperatorName(static_cast<DagInit&>(*arg)) == "case") {
+ // Nested 'case'.
+ WalkCase(arg, TestCallback, StatementCallback, IndentLevel + Indent1);
+ }
+
+ // Handle statement.
+ StatementCallback(arg, IndentLevel);
+ }
+
+ ++i;
even = !even;
}
}
void processDag(const Init* Statement) {
const DagInit& Stmt = InitPtrToDag(Statement);
- const std::string& ActionName = Stmt.getOperator()->getAsString();
+ const std::string& ActionName = GetOperatorName(Stmt);
if (ActionName == "forward" || ActionName == "forward_as" ||
- ActionName == "unpack_values" || ActionName == "switch_on" ||
- ActionName == "parameter_equals" || ActionName == "element_in_list" ||
- ActionName == "not_empty") {
- checkNumberOfArguments(&Stmt, 1);
- const std::string& Name = InitPtrToString(Stmt.getArg(0));
- OptionNames_.insert(Name);
- }
- else if (ActionName == "and" || ActionName == "or") {
+ ActionName == "forward_value" ||
+ ActionName == "forward_transformed_value" ||
+ ActionName == "switch_on" || ActionName == "any_switch_on" ||
+ ActionName == "parameter_equals" ||
+ ActionName == "element_in_list" || ActionName == "not_empty" ||
+ ActionName == "empty") {
+ CheckNumberOfArguments(Stmt, 1);
+
+ Init* Arg = Stmt.getArg(0);
+ if (typeid(*Arg) == typeid(StringInit)) {
+ const std::string& Name = InitPtrToString(Arg);
+ OptionNames_.insert(Name);
+ }
+ else {
+ // It's a list.
+ const ListInit& List = InitPtrToList(Arg);
+ for (ListInit::const_iterator B = List.begin(), E = List.end();
+ B != E; ++B) {
+ const std::string& Name = InitPtrToString(*B);
+ OptionNames_.insert(Name);
+ }
+ }
+ }
+ else if (ActionName == "and" || ActionName == "or" || ActionName == "not") {
for (unsigned i = 0, NumArgs = Stmt.getNumArgs(); i < NumArgs; ++i) {
this->processDag(Stmt.getArg(i));
}
this->processDag(Statement);
}
}
+
+ void operator()(const DagInit& Test, unsigned, bool) {
+ this->operator()(&Test);
+ }
+ void operator()(const Init* Statement, unsigned) {
+ this->operator()(Statement);
+ }
};
/// CheckForSuperfluousOptions - Check that there are no side
for (RecordVector::const_iterator B = Edges.begin(), E = Edges.end();
B != E; ++B) {
const Record* Edge = *B;
- DagInit* Weight = Edge->getValueAsDag("weight");
+ DagInit& Weight = *Edge->getValueAsDag("weight");
- if (!isDagEmpty(Weight))
- WalkCase(Weight, ExtractOptionNames(nonSuperfluousOptions), Id());
+ if (!IsDagEmpty(Weight))
+ WalkCase(&Weight, ExtractOptionNames(nonSuperfluousOptions), Id());
}
// Check that all options in OptDescs belong to the set of
const OptionDescription& Val = B->second;
if (!nonSuperfluousOptions.count(Val.Name)
&& Val.Type != OptionType::Alias)
- llvm::cerr << "Warning: option '-" << Val.Name << "' has no effect! "
+ llvm::errs() << "Warning: option '-" << Val.Name << "' has no effect! "
"Probable cause: this option is specified only in the OptionList.\n";
}
}
-/// EmitCaseTest1Arg - Helper function used by
-/// EmitCaseConstructHandler.
-bool EmitCaseTest1Arg(const std::string& TestName,
- const DagInit& d,
- const OptionDescriptions& OptDescs,
- std::ostream& O) {
- checkNumberOfArguments(&d, 1);
+/// EmitCaseTest0Args - Helper function used by EmitCaseConstructHandler().
+bool EmitCaseTest0Args(const std::string& TestName, raw_ostream& O) {
+ if (TestName == "single_input_file") {
+ O << "InputFilenames.size() == 1";
+ return true;
+ }
+ else if (TestName == "multiple_input_files") {
+ O << "InputFilenames.size() > 1";
+ return true;
+ }
+
+ return false;
+}
+
+/// EmitListTest - Helper function used by EmitCaseTest1ArgList().
+template <typename F>
+void EmitListTest(const ListInit& L, const char* LogicOp,
+ F Callback, raw_ostream& O)
+{
+ // This is a lot like EmitLogicalOperationTest, but works on ListInits instead
+ // of Dags...
+ bool isFirst = true;
+ for (ListInit::const_iterator B = L.begin(), E = L.end(); B != E; ++B) {
+ if (isFirst)
+ isFirst = false;
+ else
+ O << ' ' << LogicOp << ' ';
+ Callback(InitPtrToString(*B), O);
+ }
+}
+
+// Callbacks for use with EmitListTest.
+
+class EmitSwitchOn {
+ const OptionDescriptions& OptDescs_;
+public:
+ EmitSwitchOn(const OptionDescriptions& OptDescs) : OptDescs_(OptDescs)
+ {}
+
+ void operator()(const std::string& OptName, raw_ostream& O) const {
+ const OptionDescription& OptDesc = OptDescs_.FindSwitch(OptName);
+ O << OptDesc.GenVariableName();
+ }
+};
+
+class EmitEmptyTest {
+ bool EmitNegate_;
+ const OptionDescriptions& OptDescs_;
+public:
+ EmitEmptyTest(bool EmitNegate, const OptionDescriptions& OptDescs)
+ : EmitNegate_(EmitNegate), OptDescs_(OptDescs)
+ {}
+
+ void operator()(const std::string& OptName, raw_ostream& O) const {
+ const char* Neg = (EmitNegate_ ? "!" : "");
+ if (OptName == "o") {
+ O << Neg << "OutputFilename.empty()";
+ }
+ else if (OptName == "save-temps") {
+ O << Neg << "(SaveTemps == SaveTempsEnum::Unset)";
+ }
+ else {
+ const OptionDescription& OptDesc = OptDescs_.FindListOrParameter(OptName);
+ O << Neg << OptDesc.GenVariableName() << ".empty()";
+ }
+ }
+};
+
+
+/// EmitCaseTest1ArgList - Helper function used by EmitCaseTest1Arg();
+bool EmitCaseTest1ArgList(const std::string& TestName,
+ const DagInit& d,
+ const OptionDescriptions& OptDescs,
+ raw_ostream& O) {
+ const ListInit& L = InitPtrToList(d.getArg(0));
+
+ if (TestName == "any_switch_on") {
+ EmitListTest(L, "||", EmitSwitchOn(OptDescs), O);
+ return true;
+ }
+ else if (TestName == "switch_on") {
+ EmitListTest(L, "&&", EmitSwitchOn(OptDescs), O);
+ return true;
+ }
+ else if (TestName == "any_not_empty") {
+ EmitListTest(L, "||", EmitEmptyTest(true, OptDescs), O);
+ return true;
+ }
+ else if (TestName == "any_empty") {
+ EmitListTest(L, "||", EmitEmptyTest(false, OptDescs), O);
+ return true;
+ }
+ else if (TestName == "not_empty") {
+ EmitListTest(L, "&&", EmitEmptyTest(true, OptDescs), O);
+ return true;
+ }
+ else if (TestName == "empty") {
+ EmitListTest(L, "&&", EmitEmptyTest(false, OptDescs), O);
+ return true;
+ }
+
+ return false;
+}
+
+/// EmitCaseTest1ArgStr - Helper function used by EmitCaseTest1Arg();
+bool EmitCaseTest1ArgStr(const std::string& TestName,
+ const DagInit& d,
+ const OptionDescriptions& OptDescs,
+ raw_ostream& O) {
const std::string& OptName = InitPtrToString(d.getArg(0));
+
if (TestName == "switch_on") {
- const OptionDescription& OptDesc = OptDescs.FindOption(OptName);
- if (!OptionType::IsSwitch(OptDesc.Type))
- throw OptName + ": incorrect option type - should be a switch!";
- O << OptDesc.GenVariableName();
+ apply(EmitSwitchOn(OptDescs), OptName, O);
return true;
- } else if (TestName == "input_languages_contain") {
+ }
+ else if (TestName == "input_languages_contain") {
O << "InLangs.count(\"" << OptName << "\") != 0";
return true;
- } else if (TestName == "in_language") {
+ }
+ else if (TestName == "in_language") {
// This works only for single-argument Tool::GenerateAction. Join
// tools can process several files in different languages simultaneously.
// TODO: make this work with Edge::Weight (if possible).
O << "LangMap.GetLanguage(inFile) == \"" << OptName << '\"';
return true;
- } else if (TestName == "not_empty") {
- if (OptName == "o") {
- O << "!OutputFilename.empty()";
- return true;
- }
- else {
- const OptionDescription& OptDesc = OptDescs.FindOption(OptName);
- if (OptionType::IsSwitch(OptDesc.Type))
- throw OptName
- + ": incorrect option type - should be a list or parameter!";
- O << '!' << OptDesc.GenVariableName() << ".empty()";
- return true;
- }
+ }
+ else if (TestName == "not_empty" || TestName == "empty") {
+ bool EmitNegate = (TestName == "not_empty");
+ apply(EmitEmptyTest(EmitNegate, OptDescs), OptName, O);
+ return true;
}
return false;
}
-/// EmitCaseTest2Args - Helper function used by
-/// EmitCaseConstructHandler.
+/// EmitCaseTest1Arg - Helper function used by EmitCaseConstructHandler();
+bool EmitCaseTest1Arg(const std::string& TestName,
+ const DagInit& d,
+ const OptionDescriptions& OptDescs,
+ raw_ostream& O) {
+ CheckNumberOfArguments(d, 1);
+ if (typeid(*d.getArg(0)) == typeid(ListInit))
+ return EmitCaseTest1ArgList(TestName, d, OptDescs, O);
+ else
+ return EmitCaseTest1ArgStr(TestName, d, OptDescs, O);
+}
+
+/// EmitCaseTest2Args - Helper function used by EmitCaseConstructHandler().
bool EmitCaseTest2Args(const std::string& TestName,
const DagInit& d,
- const char* IndentLevel,
+ unsigned IndentLevel,
const OptionDescriptions& OptDescs,
- std::ostream& O) {
- checkNumberOfArguments(&d, 2);
+ raw_ostream& O) {
+ CheckNumberOfArguments(d, 2);
const std::string& OptName = InitPtrToString(d.getArg(0));
const std::string& OptArg = InitPtrToString(d.getArg(1));
- const OptionDescription& OptDesc = OptDescs.FindOption(OptName);
if (TestName == "parameter_equals") {
- if (!OptionType::IsParameter(OptDesc.Type))
- throw OptName + ": incorrect option type - should be a parameter!";
+ const OptionDescription& OptDesc = OptDescs.FindParameter(OptName);
O << OptDesc.GenVariableName() << " == \"" << OptArg << "\"";
return true;
}
else if (TestName == "element_in_list") {
- if (!OptionType::IsList(OptDesc.Type))
- throw OptName + ": incorrect option type - should be a list!";
+ const OptionDescription& OptDesc = OptDescs.FindParameterList(OptName);
const std::string& VarName = OptDesc.GenVariableName();
- O << "std::find(" << VarName << ".begin(),\n"
- << IndentLevel << Indent1 << VarName << ".end(), \""
+ O << "std::find(" << VarName << ".begin(),\n";
+ O.indent(IndentLevel + Indent1)
+ << VarName << ".end(), \""
<< OptArg << "\") != " << VarName << ".end()";
return true;
}
// Forward declaration.
// EmitLogicalOperationTest and EmitCaseTest are mutually recursive.
-void EmitCaseTest(const DagInit& d, const char* IndentLevel,
+void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
const OptionDescriptions& OptDescs,
- std::ostream& O);
+ raw_ostream& O);
/// EmitLogicalOperationTest - Helper function used by
/// EmitCaseConstructHandler.
void EmitLogicalOperationTest(const DagInit& d, const char* LogicOp,
- const char* IndentLevel,
+ unsigned IndentLevel,
const OptionDescriptions& OptDescs,
- std::ostream& O) {
+ raw_ostream& O) {
O << '(';
for (unsigned j = 0, NumArgs = d.getNumArgs(); j < NumArgs; ++j) {
const DagInit& InnerTest = InitPtrToDag(d.getArg(j));
EmitCaseTest(InnerTest, IndentLevel, OptDescs, O);
- if (j != NumArgs - 1)
- O << ")\n" << IndentLevel << Indent1 << ' ' << LogicOp << " (";
- else
+ if (j != NumArgs - 1) {
+ O << ")\n";
+ O.indent(IndentLevel + Indent1) << ' ' << LogicOp << " (";
+ }
+ else {
O << ')';
+ }
}
}
+void EmitLogicalNot(const DagInit& d, unsigned IndentLevel,
+ const OptionDescriptions& OptDescs, raw_ostream& O)
+{
+ CheckNumberOfArguments(d, 1);
+ const DagInit& InnerTest = InitPtrToDag(d.getArg(0));
+ O << "! (";
+ EmitCaseTest(InnerTest, IndentLevel, OptDescs, O);
+ O << ")";
+}
+
/// EmitCaseTest - Helper function used by EmitCaseConstructHandler.
-void EmitCaseTest(const DagInit& d, const char* IndentLevel,
+void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
const OptionDescriptions& OptDescs,
- std::ostream& O) {
- const std::string& TestName = d.getOperator()->getAsString();
+ raw_ostream& O) {
+ const std::string& TestName = GetOperatorName(d);
if (TestName == "and")
EmitLogicalOperationTest(d, "&&", IndentLevel, OptDescs, O);
else if (TestName == "or")
EmitLogicalOperationTest(d, "||", IndentLevel, OptDescs, O);
+ else if (TestName == "not")
+ EmitLogicalNot(d, IndentLevel, OptDescs, O);
+ else if (EmitCaseTest0Args(TestName, O))
+ return;
else if (EmitCaseTest1Arg(TestName, d, OptDescs, O))
return;
else if (EmitCaseTest2Args(TestName, d, IndentLevel, OptDescs, O))
return;
else
- throw TestName + ": unknown edge property!";
+ throw "Unknown test '" + TestName + "' used in the 'case' construct!";
}
-// Emit code that handles the 'case' construct.
-// Takes a function object that should emit code for every case clause.
-// Callback's type is
-// void F(Init* Statement, const char* IndentLevel, std::ostream& O).
+
+/// EmitCaseTestCallback - Callback used by EmitCaseConstructHandler.
+class EmitCaseTestCallback {
+ bool EmitElseIf_;
+ const OptionDescriptions& OptDescs_;
+ raw_ostream& O_;
+public:
+
+ EmitCaseTestCallback(bool EmitElseIf,
+ const OptionDescriptions& OptDescs, raw_ostream& O)
+ : EmitElseIf_(EmitElseIf), OptDescs_(OptDescs), O_(O)
+ {}
+
+ void operator()(const DagInit& Test, unsigned IndentLevel, bool FirstTest)
+ {
+ if (GetOperatorName(Test) == "default") {
+ O_.indent(IndentLevel) << "else {\n";
+ }
+ else {
+ O_.indent(IndentLevel)
+ << ((!FirstTest && EmitElseIf_) ? "else if (" : "if (");
+ EmitCaseTest(Test, IndentLevel, OptDescs_, O_);
+ O_ << ") {\n";
+ }
+ }
+};
+
+/// EmitCaseStatementCallback - Callback used by EmitCaseConstructHandler.
template <typename F>
-void EmitCaseConstructHandler(const Init* Dag, const char* IndentLevel,
+class EmitCaseStatementCallback {
+ F Callback_;
+ raw_ostream& O_;
+public:
+
+ EmitCaseStatementCallback(F Callback, raw_ostream& O)
+ : Callback_(Callback), O_(O)
+ {}
+
+ void operator() (const Init* Statement, unsigned IndentLevel) {
+
+ // Ignore nested 'case' DAG.
+ if (!(dynamic_cast<const DagInit*>(Statement) &&
+ GetOperatorName(static_cast<const DagInit&>(*Statement)) == "case")) {
+ if (typeid(*Statement) == typeid(ListInit)) {
+ const ListInit& DagList = *static_cast<const ListInit*>(Statement);
+ for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
+ B != E; ++B)
+ Callback_(*B, (IndentLevel + Indent1), O_);
+ }
+ else {
+ Callback_(Statement, (IndentLevel + Indent1), O_);
+ }
+ }
+ O_.indent(IndentLevel) << "}\n";
+ }
+
+};
+
+/// EmitCaseConstructHandler - Emit code that handles the 'case'
+/// construct. Takes a function object that should emit code for every case
+/// clause. Implemented on top of WalkCase.
+/// Callback's type is void F(const Init* Statement, unsigned IndentLevel,
+/// raw_ostream& O).
+/// EmitElseIf parameter controls the type of condition that is emitted ('if
+/// (..) {..} else if (..) {} .. else {..}' vs. 'if (..) {..} if(..) {..}
+/// .. else {..}').
+template <typename F>
+void EmitCaseConstructHandler(const Init* Case, unsigned IndentLevel,
F Callback, bool EmitElseIf,
const OptionDescriptions& OptDescs,
- std::ostream& O) {
- const DagInit* d = &InitPtrToDag(Dag);
- if (d->getOperator()->getAsString() != "case")
- throw std::string("EmitCaseConstructHandler should be invoked"
- " only on 'case' expressions!");
-
- unsigned numArgs = d->getNumArgs();
- if (d->getNumArgs() < 2)
- throw "There should be at least one clause in the 'case' expression:\n"
- + d->getAsString();
+ raw_ostream& O) {
+ WalkCase(Case, EmitCaseTestCallback(EmitElseIf, OptDescs, O),
+ EmitCaseStatementCallback<F>(Callback, O), IndentLevel);
+}
- for (unsigned i = 0; i != numArgs; ++i) {
- const DagInit& Test = InitPtrToDag(d->getArg(i));
+/// TokenizeCmdLine - converts from
+/// "$CALL(HookName, 'Arg1', 'Arg2')/path -arg1 -arg2" to
+/// ["$CALL(", "HookName", "Arg1", "Arg2", ")/path", "-arg1", "-arg2"].
+void TokenizeCmdLine(const std::string& CmdLine, StrVector& Out) {
+ const char* Delimiters = " \t\n\v\f\r";
+ enum TokenizerState
+ { Normal, SpecialCommand, InsideSpecialCommand, InsideQuotationMarks }
+ cur_st = Normal;
- // Emit the test.
- if (Test.getOperator()->getAsString() == "default") {
- if (i+2 != numArgs)
- throw std::string("The 'default' clause should be the last in the"
- "'case' construct!");
- O << IndentLevel << "else {\n";
- }
- else {
- O << IndentLevel << ((i != 0 && EmitElseIf) ? "else if (" : "if (");
- EmitCaseTest(Test, IndentLevel, OptDescs, O);
- O << ") {\n";
+ if (CmdLine.empty())
+ return;
+ Out.push_back("");
+
+ std::string::size_type B = CmdLine.find_first_not_of(Delimiters),
+ E = CmdLine.size();
+
+ for (; B != E; ++B) {
+ char cur_ch = CmdLine[B];
+
+ switch (cur_st) {
+ case Normal:
+ if (cur_ch == '$') {
+ cur_st = SpecialCommand;
+ break;
+ }
+ if (OneOf(Delimiters, cur_ch)) {
+ // Skip whitespace
+ B = CmdLine.find_first_not_of(Delimiters, B);
+ if (B == std::string::npos) {
+ B = E-1;
+ continue;
+ }
+ --B;
+ Out.push_back("");
+ continue;
+ }
+ break;
+
+
+ case SpecialCommand:
+ if (OneOf(Delimiters, cur_ch)) {
+ cur_st = Normal;
+ Out.push_back("");
+ continue;
+ }
+ if (cur_ch == '(') {
+ Out.push_back("");
+ cur_st = InsideSpecialCommand;
+ continue;
+ }
+ break;
+
+ case InsideSpecialCommand:
+ if (OneOf(Delimiters, cur_ch)) {
+ continue;
+ }
+ if (cur_ch == '\'') {
+ cur_st = InsideQuotationMarks;
+ Out.push_back("");
+ continue;
+ }
+ if (cur_ch == ')') {
+ cur_st = Normal;
+ Out.push_back("");
+ }
+ if (cur_ch == ',') {
+ continue;
+ }
+
+ break;
+
+ case InsideQuotationMarks:
+ if (cur_ch == '\'') {
+ cur_st = InsideSpecialCommand;
+ continue;
+ }
+ break;
}
- // Emit the corresponding statement.
- ++i;
- if (i == numArgs)
- throw "Case construct handler: no corresponding action "
- "found for the test " + Test.getAsString() + '!';
+ Out.back().push_back(cur_ch);
+ }
+}
- Init* arg = d->getArg(i);
- const DagInit* nd = dynamic_cast<DagInit*>(arg);
- if (nd && (nd->getOperator()->getAsString() == "case")) {
- // Handle the nested 'case'.
- EmitCaseConstructHandler(nd, (std::string(IndentLevel) + Indent1).c_str(),
- Callback, EmitElseIf, OptDescs, O);
+/// SubstituteCall - Given "$CALL(HookName, [Arg1 [, Arg2 [...]]])", output
+/// "hooks::HookName([Arg1 [, Arg2 [, ...]]])". Helper function used by
+/// SubstituteSpecialCommands().
+StrVector::const_iterator
+SubstituteCall (StrVector::const_iterator Pos,
+ StrVector::const_iterator End,
+ bool IsJoin, raw_ostream& O)
+{
+ const char* errorMessage = "Syntax error in $CALL invocation!";
+ CheckedIncrement(Pos, End, errorMessage);
+ const std::string& CmdName = *Pos;
+
+ if (CmdName == ")")
+ throw "$CALL invocation: empty argument list!";
+
+ O << "hooks::";
+ O << CmdName << "(";
+
+
+ bool firstIteration = true;
+ while (true) {
+ CheckedIncrement(Pos, End, errorMessage);
+ const std::string& Arg = *Pos;
+ assert(Arg.size() != 0);
+
+ if (Arg[0] == ')')
+ break;
+
+ if (firstIteration)
+ firstIteration = false;
+ else
+ O << ", ";
+
+ if (Arg == "$INFILE") {
+ if (IsJoin)
+ throw "$CALL(Hook, $INFILE) can't be used with a Join tool!";
+ else
+ O << "inFile.c_str()";
}
else {
- Callback(arg, (std::string(IndentLevel) + Indent1).c_str(), O);
+ O << '"' << Arg << '"';
}
- O << IndentLevel << "}\n";
}
+
+ O << ')';
+
+ return Pos;
}
-/// SubstituteSpecialCommands - Perform string substitution for $CALL
-/// and $ENV. Helper function used by EmitCmdLineVecFill().
-std::string SubstituteSpecialCommands(const std::string& cmd) {
- size_t cparen = cmd.find(")");
- std::string ret;
+/// SubstituteEnv - Given '$ENV(VAR_NAME)', output 'getenv("VAR_NAME")'. Helper
+/// function used by SubstituteSpecialCommands().
+StrVector::const_iterator
+SubstituteEnv (StrVector::const_iterator Pos,
+ StrVector::const_iterator End, raw_ostream& O)
+{
+ const char* errorMessage = "Syntax error in $ENV invocation!";
+ CheckedIncrement(Pos, End, errorMessage);
+ const std::string& EnvName = *Pos;
- if (cmd.find("$CALL(") == 0) {
- if (cmd.size() == 6)
- throw std::string("$CALL invocation: empty argument list!");
+ if (EnvName == ")")
+ throw "$ENV invocation: empty argument list!";
- ret += "hooks::";
- ret += std::string(cmd.begin() + 6, cmd.begin() + cparen);
- ret += "()";
- }
- else if (cmd.find("$ENV(") == 0) {
- if (cmd.size() == 5)
- throw std::string("$ENV invocation: empty argument list!");
+ O << "checkCString(std::getenv(\"";
+ O << EnvName;
+ O << "\"))";
+
+ CheckedIncrement(Pos, End, errorMessage);
+
+ return Pos;
+}
- ret += "checkCString(std::getenv(\"";
- ret += std::string(cmd.begin() + 5, cmd.begin() + cparen);
- ret += "\"))";
+/// SubstituteSpecialCommands - Given an invocation of $CALL or $ENV, output
+/// handler code. Helper function used by EmitCmdLineVecFill().
+StrVector::const_iterator
+SubstituteSpecialCommands (StrVector::const_iterator Pos,
+ StrVector::const_iterator End,
+ bool IsJoin, raw_ostream& O)
+{
+
+ const std::string& cmd = *Pos;
+
+ // Perform substitution.
+ if (cmd == "$CALL") {
+ Pos = SubstituteCall(Pos, End, IsJoin, O);
+ }
+ else if (cmd == "$ENV") {
+ Pos = SubstituteEnv(Pos, End, O);
}
else {
throw "Unknown special command: " + cmd;
}
- if (cmd.begin() + cparen + 1 != cmd.end()) {
- ret += " + std::string(\"";
- ret += (cmd.c_str() + cparen + 1);
- ret += "\")";
- }
+ // Handle '$CMD(ARG)/additional/text'.
+ const std::string& Leftover = *Pos;
+ assert(Leftover.at(0) == ')');
+ if (Leftover.size() != 1)
+ O << " + std::string(\"" << (Leftover.c_str() + 1) << "\")";
- return ret;
+ return Pos;
}
/// EmitCmdLineVecFill - Emit code that fills in the command line
/// vector. Helper function used by EmitGenerateActionMethod().
void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
- bool IsJoin, const char* IndentLevel,
- std::ostream& O) {
+ bool IsJoin, unsigned IndentLevel,
+ raw_ostream& O) {
StrVector StrVec;
- SplitString(InitPtrToString(CmdLine), StrVec);
+ TokenizeCmdLine(InitPtrToString(CmdLine), StrVec);
+
if (StrVec.empty())
- throw "Tool " + ToolName + " has empty command line!";
+ throw "Tool '" + ToolName + "' has empty command line!";
+
+ StrVector::const_iterator B = StrVec.begin(), E = StrVec.end();
+
+ // Emit the command itself.
+ assert(!StrVec[0].empty());
+ O.indent(IndentLevel) << "cmd = ";
+ if (StrVec[0][0] == '$') {
+ B = SubstituteSpecialCommands(B, E, IsJoin, O);
+ ++B;
+ }
+ else {
+ O << '"' << StrVec[0] << '"';
+ ++B;
+ }
+ O << ";\n";
+
+ // Go through the command arguments.
+ assert(B <= E);
+ for (; B != E; ++B) {
+ const std::string& cmd = *B;
+
+ assert(!cmd.empty());
+ O.indent(IndentLevel);
- StrVector::const_iterator I = StrVec.begin();
- ++I;
- for (StrVector::const_iterator E = StrVec.end(); I != E; ++I) {
- const std::string& cmd = *I;
- O << IndentLevel;
if (cmd.at(0) == '$') {
- if (cmd == "$INFILE") {
- if (IsJoin)
- O << "for (PathVector::const_iterator B = inFiles.begin()"
- << ", E = inFiles.end();\n"
- << IndentLevel << "B != E; ++B)\n"
- << IndentLevel << Indent1 << "vec.push_back(B->toString());\n";
- else
- O << "vec.push_back(inFile.toString());\n";
- }
- else if (cmd == "$OUTFILE") {
- O << "vec.push_back(out_file);\n";
- }
- else {
- O << "vec.push_back(" << SubstituteSpecialCommands(cmd);
- O << ");\n";
- }
+ O << "vec.push_back(std::make_pair(0, ";
+ B = SubstituteSpecialCommands(B, E, IsJoin, O);
+ O << "));\n";
}
else {
- O << "vec.push_back(\"" << cmd << "\");\n";
+ O << "vec.push_back(std::make_pair(0, \"" << cmd << "\"));\n";
}
}
- O << IndentLevel << "cmd = "
- << ((StrVec[0][0] == '$') ? SubstituteSpecialCommands(StrVec[0])
- : "\"" + StrVec[0] + "\"")
- << ";\n";
+
}
-/// EmitCmdLineVecFillCallback - A function object wrapper around
-/// EmitCmdLineVecFill(). Used by EmitGenerateActionMethod() as an
-/// argument to EmitCaseConstructHandler().
-class EmitCmdLineVecFillCallback {
- bool IsJoin;
- const std::string& ToolName;
- public:
- EmitCmdLineVecFillCallback(bool J, const std::string& TN)
- : IsJoin(J), ToolName(TN) {}
+/// EmitForEachListElementCycleHeader - Emit common code for iterating through
+/// all elements of a list. Helper function used by
+/// EmitForwardOptionPropertyHandlingCode.
+void EmitForEachListElementCycleHeader (const OptionDescription& D,
+ unsigned IndentLevel,
+ raw_ostream& O) {
+ unsigned IndentLevel1 = IndentLevel + Indent1;
- void operator()(const Init* Statement, const char* IndentLevel,
- std::ostream& O) const
- {
- EmitCmdLineVecFill(Statement, ToolName, IsJoin,
- IndentLevel, O);
- }
-};
+ O.indent(IndentLevel)
+ << "for (" << D.GenTypeDeclaration()
+ << "::iterator B = " << D.GenVariableName() << ".begin(),\n";
+ O.indent(IndentLevel)
+ << "E = " << D.GenVariableName() << ".end(); B != E;) {\n";
+ O.indent(IndentLevel1) << "unsigned pos = " << D.GenVariableName()
+ << ".getPosition(B - " << D.GenVariableName()
+ << ".begin());\n";
+}
/// EmitForwardOptionPropertyHandlingCode - Helper function used to
/// implement EmitActionHandler. Emits code for
/// handling the (forward) and (forward_as) option properties.
void EmitForwardOptionPropertyHandlingCode (const OptionDescription& D,
- const char* Indent,
+ unsigned IndentLevel,
const std::string& NewName,
- std::ostream& O) {
+ raw_ostream& O) {
const std::string& Name = NewName.empty()
? ("-" + D.Name)
: NewName;
+ unsigned IndentLevel1 = IndentLevel + Indent1;
switch (D.Type) {
case OptionType::Switch:
- case OptionType::ExternSwitch:
- O << Indent << "vec.push_back(\"" << Name << "\");\n";
+ O.indent(IndentLevel)
+ << "vec.push_back(std::make_pair(" << D.GenVariableName()
+ << ".getPosition(), \"" << Name << "\"));\n";
break;
case OptionType::Parameter:
- case OptionType::ExternParameter:
- O << Indent << "vec.push_back(\"" << Name << "\");\n";
- O << Indent << "vec.push_back(" << D.GenVariableName() << ");\n";
+ O.indent(IndentLevel) << "vec.push_back(std::make_pair("
+ << D.GenVariableName()
+ <<".getPosition(), \"" << Name;
+
+ if (!D.isForwardNotSplit()) {
+ O << "\"));\n";
+ O.indent(IndentLevel) << "vec.push_back(std::make_pair("
+ << D.GenVariableName() << ".getPosition(), "
+ << D.GenVariableName() << "));\n";
+ }
+ else {
+ O << "=\" + " << D.GenVariableName() << "));\n";
+ }
break;
case OptionType::Prefix:
- O << Indent << "vec.push_back(\"" << Name << "\" + "
- << D.GenVariableName() << ");\n";
+ O.indent(IndentLevel) << "vec.push_back(std::make_pair("
+ << D.GenVariableName() << ".getPosition(), \""
+ << Name << "\" + "
+ << D.GenVariableName() << "));\n";
break;
case OptionType::PrefixList:
- O << Indent << "for (" << D.GenTypeDeclaration()
- << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
- << Indent << "E = " << D.GenVariableName() << ".end(); B != E; ++B)\n"
- << Indent << Indent1 << "vec.push_back(\"" << Name << "\" + "
- << "*B);\n";
+ EmitForEachListElementCycleHeader(D, IndentLevel, O);
+ O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
+ << Name << "\" + " << "*B));\n";
+ O.indent(IndentLevel1) << "++B;\n";
+
+ for (int i = 1, j = D.MultiVal; i < j; ++i) {
+ O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, *B));\n";
+ O.indent(IndentLevel1) << "++B;\n";
+ }
+
+ O.indent(IndentLevel) << "}\n";
break;
case OptionType::ParameterList:
- case OptionType::ExternList:
- O << Indent << "for (" << D.GenTypeDeclaration()
- << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
- << Indent << "E = " << D.GenVariableName()
- << ".end() ; B != E; ++B) {\n"
- << Indent << Indent1 << "vec.push_back(\"" << Name << "\");\n"
- << Indent << Indent1 << "vec.push_back(*B);\n"
- << Indent << "}\n";
+ EmitForEachListElementCycleHeader(D, IndentLevel, O);
+ O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
+ << Name << "\"));\n";
+
+ for (int i = 0, j = D.MultiVal; i < j; ++i) {
+ O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, *B));\n";
+ O.indent(IndentLevel1) << "++B;\n";
+ }
+
+ O.indent(IndentLevel) << "}\n";
+ break;
+ case OptionType::SwitchList:
+ EmitForEachListElementCycleHeader(D, IndentLevel, O);
+ O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
+ << Name << "\"));\n";
+ O.indent(IndentLevel1) << "++B;\n";
+ O.indent(IndentLevel) << "}\n";
break;
case OptionType::Alias:
default:
- throw std::string("Aliases are not allowed in tool option descriptions!");
+ throw "Aliases are not allowed in tool option descriptions!";
}
}
-/// EmitActionHandler - Emit code that handles actions. Used by
-/// EmitGenerateActionMethod() as an argument to
-/// EmitCaseConstructHandler().
-class EmitActionHandler {
+/// ActionHandlingCallbackBase - Base class of EmitActionHandlersCallback and
+/// EmitPreprocessOptionsCallback.
+struct ActionHandlingCallbackBase
+{
+
+ void onErrorDag(const DagInit& d,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ O.indent(IndentLevel)
+ << "PrintError(\""
+ << (d.getNumArgs() >= 1 ? InitPtrToString(d.getArg(0)) : "Unknown error!")
+ << "\");\n";
+ O.indent(IndentLevel) << "return 1;\n";
+ }
+
+ void onWarningDag(const DagInit& d,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ CheckNumberOfArguments(d, 1);
+ O.indent(IndentLevel) << "llvm::errs() << \""
+ << InitPtrToString(d.getArg(0)) << "\";\n";
+ }
+
+};
+
+/// EmitActionHandlersCallback - Emit code that handles actions. Used by
+/// EmitGenerateActionMethod() as an argument to EmitCaseConstructHandler().
+
+class EmitActionHandlersCallback;
+
+typedef void (EmitActionHandlersCallback::* EmitActionHandlersCallbackHandler)
+(const DagInit&, unsigned, raw_ostream&) const;
+
+class EmitActionHandlersCallback :
+ public ActionHandlingCallbackBase,
+ public HandlerTable<EmitActionHandlersCallbackHandler>
+{
+ typedef EmitActionHandlersCallbackHandler Handler;
+
const OptionDescriptions& OptDescs;
- void processActionDag(const Init* Statement, const char* IndentLevel,
- std::ostream& O) const
+ /// EmitHookInvocation - Common code for hook invocation from actions. Used by
+ /// onAppendCmd and onOutputSuffix.
+ void EmitHookInvocation(const std::string& Str,
+ const char* BlockOpen, const char* BlockClose,
+ unsigned IndentLevel, raw_ostream& O) const
{
- const DagInit& Dag = InitPtrToDag(Statement);
- const std::string& ActionName = Dag.getOperator()->getAsString();
-
- if (ActionName == "append_cmd") {
- checkNumberOfArguments(&Dag, 1);
- const std::string& Cmd = InitPtrToString(Dag.getArg(0));
- O << IndentLevel << "vec.push_back(\"" << Cmd << "\");\n";
- }
- else if (ActionName == "forward") {
- checkNumberOfArguments(&Dag, 1);
- const std::string& Name = InitPtrToString(Dag.getArg(0));
- EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
- IndentLevel, "", O);
- }
- else if (ActionName == "forward_as") {
- checkNumberOfArguments(&Dag, 2);
- const std::string& Name = InitPtrToString(Dag.getArg(0));
- const std::string& NewName = InitPtrToString(Dag.getArg(0));
- EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
- IndentLevel, NewName, O);
- }
- else if (ActionName == "output_suffix") {
- checkNumberOfArguments(&Dag, 1);
- const std::string& OutSuf = InitPtrToString(Dag.getArg(0));
- O << IndentLevel << "output_suffix = \"" << OutSuf << "\";\n";
- }
- else if (ActionName == "stop_compilation") {
- O << IndentLevel << "stop_compilation = true;\n";
- }
- else if (ActionName == "unpack_values") {
- checkNumberOfArguments(&Dag, 1);
- const std::string& Name = InitPtrToString(Dag.getArg(0));
- const OptionDescription& D = OptDescs.FindOption(Name);
-
- if (OptionType::IsList(D.Type)) {
- O << IndentLevel << "for (" << D.GenTypeDeclaration()
- << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
- << IndentLevel << "E = " << D.GenVariableName()
- << ".end(); B != E; ++B)\n"
- << IndentLevel << Indent1 << "llvm::SplitString(*B, vec, \",\");\n";
- }
- else if (OptionType::IsParameter(D.Type)){
- O << Indent3 << "llvm::SplitString("
- << D.GenVariableName() << ", vec, \",\");\n";
- }
- else {
- throw "Option '" + D.Name +
- "': switches can't have the 'unpack_values' property!";
- }
+ StrVector Out;
+ TokenizeCmdLine(Str, Out);
+
+ for (StrVector::const_iterator B = Out.begin(), E = Out.end();
+ B != E; ++B) {
+ const std::string& cmd = *B;
+
+ O.indent(IndentLevel) << BlockOpen;
+
+ if (cmd.at(0) == '$')
+ B = SubstituteSpecialCommands(B, E, /* IsJoin = */ true, O);
+ else
+ O << '"' << cmd << '"';
+
+ O << BlockClose;
+ }
+ }
+
+ void onAppendCmd (const DagInit& Dag,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ CheckNumberOfArguments(Dag, 1);
+ this->EmitHookInvocation(InitPtrToString(Dag.getArg(0)),
+ "vec.push_back(std::make_pair(65536, ", "));\n",
+ IndentLevel, O);
+ }
+
+ void onForward (const DagInit& Dag,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ CheckNumberOfArguments(Dag, 1);
+ const std::string& Name = InitPtrToString(Dag.getArg(0));
+ EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
+ IndentLevel, "", O);
+ }
+
+ void onForwardAs (const DagInit& Dag,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ CheckNumberOfArguments(Dag, 2);
+ const std::string& Name = InitPtrToString(Dag.getArg(0));
+ const std::string& NewName = InitPtrToString(Dag.getArg(1));
+ EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
+ IndentLevel, NewName, O);
+ }
+
+ void onForwardValue (const DagInit& Dag,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ CheckNumberOfArguments(Dag, 1);
+ const std::string& Name = InitPtrToString(Dag.getArg(0));
+ const OptionDescription& D = OptDescs.FindParameterListOrParameter(Name);
+
+ if (D.isSwitchList()) {
+ throw std::runtime_error
+ ("forward_value is not allowed with switch_list");
+ }
+
+ if (D.isParameter()) {
+ O.indent(IndentLevel) << "vec.push_back(std::make_pair("
+ << D.GenVariableName() << ".getPosition(), "
+ << D.GenVariableName() << "));\n";
}
else {
- throw "Unknown action name: " + ActionName + "!";
+ O.indent(IndentLevel) << "for (" << D.GenTypeDeclaration()
+ << "::iterator B = " << D.GenVariableName()
+ << ".begin(), \n";
+ O.indent(IndentLevel + Indent1) << " E = " << D.GenVariableName()
+ << ".end(); B != E; ++B)\n";
+ O.indent(IndentLevel) << "{\n";
+ O.indent(IndentLevel + Indent1)
+ << "unsigned pos = " << D.GenVariableName()
+ << ".getPosition(B - " << D.GenVariableName()
+ << ".begin());\n";
+ O.indent(IndentLevel + Indent1)
+ << "vec.push_back(std::make_pair(pos, *B));\n";
+ O.indent(IndentLevel) << "}\n";
}
}
+
+ void onForwardTransformedValue (const DagInit& Dag,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ CheckNumberOfArguments(Dag, 2);
+ const std::string& Name = InitPtrToString(Dag.getArg(0));
+ const std::string& Hook = InitPtrToString(Dag.getArg(1));
+ const OptionDescription& D = OptDescs.FindParameterListOrParameter(Name);
+
+ O.indent(IndentLevel) << "vec.push_back(std::make_pair("
+ << D.GenVariableName() << ".getPosition("
+ << (D.isList() ? "0" : "") << "), "
+ << "hooks::" << Hook << "(" << D.GenVariableName()
+ << (D.isParameter() ? ".c_str()" : "") << ")));\n";
+ }
+
+ void onNoOutFile (const DagInit& Dag,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ CheckNumberOfArguments(Dag, 0);
+ O.indent(IndentLevel) << "no_out_file = true;\n";
+ }
+
+ void onOutputSuffix (const DagInit& Dag,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ CheckNumberOfArguments(Dag, 1);
+ this->EmitHookInvocation(InitPtrToString(Dag.getArg(0)),
+ "output_suffix = ", ";\n", IndentLevel, O);
+ }
+
+ void onStopCompilation (const DagInit& Dag,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ O.indent(IndentLevel) << "stop_compilation = true;\n";
+ }
+
+
+ void onUnpackValues (const DagInit& Dag,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ throw "'unpack_values' is deprecated. "
+ "Use 'comma_separated' + 'forward_value' instead!";
+ }
+
public:
- EmitActionHandler(const OptionDescriptions& OD)
- : OptDescs(OD) {}
- void operator()(const Init* Statement, const char* IndentLevel,
- std::ostream& O) const
+ explicit EmitActionHandlersCallback(const OptionDescriptions& OD)
+ : OptDescs(OD)
{
- if (typeid(*Statement) == typeid(ListInit)) {
- const ListInit& DagList = *static_cast<const ListInit*>(Statement);
- for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
- B != E; ++B)
- this->processActionDag(*B, IndentLevel, O);
- }
- else {
- this->processActionDag(Statement, IndentLevel, O);
+ if (!staticMembersInitialized_) {
+ AddHandler("error", &EmitActionHandlersCallback::onErrorDag);
+ AddHandler("warning", &EmitActionHandlersCallback::onWarningDag);
+ AddHandler("append_cmd", &EmitActionHandlersCallback::onAppendCmd);
+ AddHandler("forward", &EmitActionHandlersCallback::onForward);
+ AddHandler("forward_as", &EmitActionHandlersCallback::onForwardAs);
+ AddHandler("forward_value", &EmitActionHandlersCallback::onForwardValue);
+ AddHandler("forward_transformed_value",
+ &EmitActionHandlersCallback::onForwardTransformedValue);
+ AddHandler("no_out_file",
+ &EmitActionHandlersCallback::onNoOutFile);
+ AddHandler("output_suffix", &EmitActionHandlersCallback::onOutputSuffix);
+ AddHandler("stop_compilation",
+ &EmitActionHandlersCallback::onStopCompilation);
+ AddHandler("unpack_values",
+ &EmitActionHandlersCallback::onUnpackValues);
+
+
+ staticMembersInitialized_ = true;
}
}
+
+ void operator()(const Init* I,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ InvokeDagInitHandler(this, I, IndentLevel, O);
+ }
};
-// EmitGenerateActionMethod - Emit one of two versions of the
+void EmitGenerateActionMethodHeader(const ToolDescription& D,
+ bool IsJoin, bool Naked,
+ raw_ostream& O)
+{
+ O.indent(Indent1) << "int GenerateAction(Action& Out,\n";
+
+ if (IsJoin)
+ O.indent(Indent2) << "const PathVector& inFiles,\n";
+ else
+ O.indent(Indent2) << "const sys::Path& inFile,\n";
+
+ O.indent(Indent2) << "const bool HasChildren,\n";
+ O.indent(Indent2) << "const llvm::sys::Path& TempDir,\n";
+ O.indent(Indent2) << "const InputLanguagesSet& InLangs,\n";
+ O.indent(Indent2) << "const LanguageMap& LangMap) const\n";
+ O.indent(Indent1) << "{\n";
+
+ if (!Naked) {
+ O.indent(Indent2) << "std::string cmd;\n";
+ O.indent(Indent2) << "std::string out_file;\n";
+ O.indent(Indent2)
+ << "std::vector<std::pair<unsigned, std::string> > vec;\n";
+ O.indent(Indent2) << "bool stop_compilation = !HasChildren;\n";
+ O.indent(Indent2) << "bool no_out_file = false;\n";
+ O.indent(Indent2) << "std::string output_suffix(\""
+ << D.OutputSuffix << "\");\n";
+ }
+}
+
+// EmitGenerateActionMethod - Emit either a normal or a "join" version of the
// Tool::GenerateAction() method.
void EmitGenerateActionMethod (const ToolDescription& D,
const OptionDescriptions& OptDescs,
- bool IsJoin, std::ostream& O) {
- if (IsJoin)
- O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n";
- else
- O << Indent1 << "Action GenerateAction(const sys::Path& inFile,\n";
-
- O << Indent2 << "bool HasChildren,\n"
- << Indent2 << "const llvm::sys::Path& TempDir,\n"
- << Indent2 << "const InputLanguagesSet& InLangs,\n"
- << Indent2 << "const LanguageMap& LangMap) const\n"
- << Indent1 << "{\n"
- << Indent2 << "std::string cmd;\n"
- << Indent2 << "std::vector<std::string> vec;\n"
- << Indent2 << "bool stop_compilation = !HasChildren;\n"
- << Indent2 << "const char* output_suffix = \"" << D.OutputSuffix << "\";\n"
- << Indent2 << "std::string out_file;\n\n";
-
- // For every understood option, emit handling code.
- if (D.Actions)
- EmitCaseConstructHandler(D.Actions, Indent2, EmitActionHandler(OptDescs),
- false, OptDescs, O);
+ bool IsJoin, raw_ostream& O) {
- O << '\n' << Indent2
- << "out_file = OutFilename(" << (IsJoin ? "sys::Path(),\n" : "inFile,\n")
- << Indent3 << "TempDir, stop_compilation, output_suffix).toString();\n\n";
+ EmitGenerateActionMethodHeader(D, IsJoin, /* Naked = */ false, O);
- // cmd_line is either a string or a 'case' construct.
if (!D.CmdLine)
throw "Tool " + D.Name + " has no cmd_line property!";
- else if (typeid(*D.CmdLine) == typeid(StringInit))
- EmitCmdLineVecFill(D.CmdLine, D.Name, IsJoin, Indent2, O);
- else
- EmitCaseConstructHandler(D.CmdLine, Indent2,
- EmitCmdLineVecFillCallback(IsJoin, D.Name),
- true, OptDescs, O);
+
+ // Process the 'command' property.
+ O << '\n';
+ EmitCmdLineVecFill(D.CmdLine, D.Name, IsJoin, Indent2, O);
+ O << '\n';
+
+ // Process the 'actions' list of this tool.
+ if (D.Actions)
+ EmitCaseConstructHandler(D.Actions, Indent2,
+ EmitActionHandlersCallback(OptDescs),
+ false, OptDescs, O);
+ O << '\n';
+
+ // Input file (s)
+ if (!D.InFileOption.empty()) {
+ O.indent(Indent2)
+ << "vec.push_back(std::make_pair(InputFilenames.getPosition(0), \""
+ << D.InFileOption << "\");\n";
+ }
+
+ if (IsJoin) {
+ O.indent(Indent2)
+ << "for (PathVector::const_iterator B = inFiles.begin(),\n";
+ O.indent(Indent3) << "E = inFiles.end(); B != E; ++B)\n";
+ O.indent(Indent2) << "{\n";
+ O.indent(Indent3) << "vec.push_back(std::make_pair("
+ << "InputFilenames.getPosition(B - inFiles.begin()), "
+ << "B->str()));\n";
+ O.indent(Indent2) << "}\n";
+ }
+ else {
+ O.indent(Indent2) << "vec.push_back(std::make_pair("
+ << "InputFilenames.getPosition(0), inFile.str()));\n";
+ }
+
+ // Output file
+ O.indent(Indent2) << "if (!no_out_file) {\n";
+ if (!D.OutFileOption.empty())
+ O.indent(Indent3) << "vec.push_back(std::make_pair(65536, \""
+ << D.OutFileOption << "\"));\n";
+
+ O.indent(Indent3) << "out_file = this->OutFilename("
+ << (IsJoin ? "sys::Path(),\n" : "inFile,\n");
+ O.indent(Indent4) <<
+ "TempDir, stop_compilation, output_suffix.c_str()).str();\n\n";
+ O.indent(Indent3) << "vec.push_back(std::make_pair(65536, out_file));\n";
+
+ O.indent(Indent2) << "}\n\n";
// Handle the Sink property.
if (D.isSink()) {
- O << Indent2 << "if (!" << SinkOptionName << ".empty()) {\n"
- << Indent3 << "vec.insert(vec.end(), "
- << SinkOptionName << ".begin(), " << SinkOptionName << ".end());\n"
- << Indent2 << "}\n";
+ O.indent(Indent2) << "if (!" << SinkOptionName << ".empty()) {\n";
+ O.indent(Indent3) << "for (cl::list<std::string>::iterator B = "
+ << SinkOptionName << ".begin(), E = " << SinkOptionName
+ << ".end(); B != E; ++B)\n";
+ O.indent(Indent4) << "vec.push_back(std::make_pair(" << SinkOptionName
+ << ".getPosition(B - " << SinkOptionName
+ << ".begin()), *B));\n";
+ O.indent(Indent2) << "}\n";
}
- O << Indent2 << "return Action(cmd, vec, stop_compilation, out_file);\n"
- << Indent1 << "}\n\n";
+ O.indent(Indent2) << "Out.Construct(cmd, this->SortArgs(vec), "
+ << "stop_compilation, out_file);\n";
+ O.indent(Indent2) << "return 0;\n";
+ O.indent(Indent1) << "}\n\n";
}
/// EmitGenerateActionMethods - Emit two GenerateAction() methods for
/// a given Tool class.
void EmitGenerateActionMethods (const ToolDescription& ToolDesc,
const OptionDescriptions& OptDescs,
- std::ostream& O) {
- if (!ToolDesc.isJoin())
- O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n"
- << Indent2 << "bool HasChildren,\n"
- << Indent2 << "const llvm::sys::Path& TempDir,\n"
- << Indent2 << "const InputLanguagesSet& InLangs,\n"
- << Indent2 << "const LanguageMap& LangMap) const\n"
- << Indent1 << "{\n"
- << Indent2 << "throw std::runtime_error(\"" << ToolDesc.Name
- << " is not a Join tool!\");\n"
- << Indent1 << "}\n\n";
- else
+ raw_ostream& O) {
+ if (!ToolDesc.isJoin()) {
+ EmitGenerateActionMethodHeader(ToolDesc, /* IsJoin = */ true,
+ /* Naked = */ true, O);
+ O.indent(Indent2) << "PrintError(\"" << ToolDesc.Name
+ << " is not a Join tool!\");\n";
+ O.indent(Indent2) << "return -1;\n";
+ O.indent(Indent1) << "}\n\n";
+ }
+ else {
EmitGenerateActionMethod(ToolDesc, OptDescs, true, O);
+ }
EmitGenerateActionMethod(ToolDesc, OptDescs, false, O);
}
/// EmitInOutLanguageMethods - Emit the [Input,Output]Language()
/// methods for a given Tool class.
-void EmitInOutLanguageMethods (const ToolDescription& D, std::ostream& O) {
- O << Indent1 << "const char** InputLanguages() const {\n"
- << Indent2 << "return InputLanguages_;\n"
- << Indent1 << "}\n\n";
+void EmitInOutLanguageMethods (const ToolDescription& D, raw_ostream& O) {
+ O.indent(Indent1) << "const char** InputLanguages() const {\n";
+ O.indent(Indent2) << "return InputLanguages_;\n";
+ O.indent(Indent1) << "}\n\n";
if (D.OutLanguage.empty())
throw "Tool " + D.Name + " has no 'out_language' property!";
- O << Indent1 << "const char* OutputLanguage() const {\n"
- << Indent2 << "return \"" << D.OutLanguage << "\";\n"
- << Indent1 << "}\n\n";
+ O.indent(Indent1) << "const char* OutputLanguage() const {\n";
+ O.indent(Indent2) << "return \"" << D.OutLanguage << "\";\n";
+ O.indent(Indent1) << "}\n\n";
}
/// EmitNameMethod - Emit the Name() method for a given Tool class.
-void EmitNameMethod (const ToolDescription& D, std::ostream& O) {
- O << Indent1 << "const char* Name() const {\n"
- << Indent2 << "return \"" << D.Name << "\";\n"
- << Indent1 << "}\n\n";
+void EmitNameMethod (const ToolDescription& D, raw_ostream& O) {
+ O.indent(Indent1) << "const char* Name() const {\n";
+ O.indent(Indent2) << "return \"" << D.Name << "\";\n";
+ O.indent(Indent1) << "}\n\n";
}
/// EmitIsJoinMethod - Emit the IsJoin() method for a given Tool
/// class.
-void EmitIsJoinMethod (const ToolDescription& D, std::ostream& O) {
- O << Indent1 << "bool IsJoin() const {\n";
+void EmitIsJoinMethod (const ToolDescription& D, raw_ostream& O) {
+ O.indent(Indent1) << "bool IsJoin() const {\n";
if (D.isJoin())
- O << Indent2 << "return true;\n";
+ O.indent(Indent2) << "return true;\n";
+ else
+ O.indent(Indent2) << "return false;\n";
+ O.indent(Indent1) << "}\n\n";
+}
+
+/// EmitWorksOnEmptyCallback - Callback used by EmitWorksOnEmptyMethod in
+/// conjunction with EmitCaseConstructHandler.
+void EmitWorksOnEmptyCallback (const Init* Value,
+ unsigned IndentLevel, raw_ostream& O) {
+ CheckBooleanConstant(Value);
+ O.indent(IndentLevel) << "return " << Value->getAsString() << ";\n";
+}
+
+/// EmitWorksOnEmptyMethod - Emit the WorksOnEmpty() method for a given Tool
+/// class.
+void EmitWorksOnEmptyMethod (const ToolDescription& D,
+ const OptionDescriptions& OptDescs,
+ raw_ostream& O)
+{
+ O.indent(Indent1) << "bool WorksOnEmpty() const {\n";
+ if (D.OnEmpty == 0)
+ O.indent(Indent2) << "return false;\n";
else
- O << Indent2 << "return false;\n";
- O << Indent1 << "}\n\n";
+ EmitCaseConstructHandler(D.OnEmpty, Indent2, EmitWorksOnEmptyCallback,
+ /*EmitElseIf = */ true, OptDescs, O);
+ O.indent(Indent1) << "}\n\n";
}
/// EmitStaticMemberDefinitions - Emit static member definitions for a
/// given Tool class.
-void EmitStaticMemberDefinitions(const ToolDescription& D, std::ostream& O) {
+void EmitStaticMemberDefinitions(const ToolDescription& D, raw_ostream& O) {
if (D.InLanguage.empty())
throw "Tool " + D.Name + " has no 'in_language' property!";
/// EmitToolClassDefinition - Emit a Tool class definition.
void EmitToolClassDefinition (const ToolDescription& D,
const OptionDescriptions& OptDescs,
- std::ostream& O) {
+ raw_ostream& O) {
if (D.Name == "root")
return;
else
O << "Tool";
- O << "{\nprivate:\n"
- << Indent1 << "static const char* InputLanguages_[];\n\n";
+ O << " {\nprivate:\n";
+ O.indent(Indent1) << "static const char* InputLanguages_[];\n\n";
O << "public:\n";
EmitNameMethod(D, O);
EmitInOutLanguageMethods(D, O);
EmitIsJoinMethod(D, O);
+ EmitWorksOnEmptyMethod(D, OptDescs, O);
EmitGenerateActionMethods(D, OptDescs, O);
// Close class definition
}
-/// EmitOptionDefintions - Iterate over a list of option descriptions
+/// EmitOptionDefinitions - Iterate over a list of option descriptions
/// and emit registration code.
-void EmitOptionDefintions (const OptionDescriptions& descs,
- bool HasSink, bool HasExterns,
- std::ostream& O)
+void EmitOptionDefinitions (const OptionDescriptions& descs,
+ bool HasSink, raw_ostream& O)
{
std::vector<OptionDescription> Aliases;
continue;
}
- if (val.isExtern())
- O << "extern ";
-
O << val.GenTypeDeclaration() << ' '
<< val.GenVariableName();
- if (val.isExtern()) {
- O << ";\n";
- continue;
- }
-
- O << "(\"" << val.Name << '\"';
+ O << "(\"" << val.Name << "\"\n";
if (val.Type == OptionType::Prefix || val.Type == OptionType::PrefixList)
O << ", cl::Prefix";
if (val.isRequired()) {
- switch (val.Type) {
- case OptionType::PrefixList:
- case OptionType::ParameterList:
+ if (val.isList() && !val.isMultiVal())
O << ", cl::OneOrMore";
- break;
- default:
+ else
O << ", cl::Required";
- }
}
- if (val.isReallyHidden() || val.isHidden()) {
- if (val.isRequired())
- O << " |";
- else
- O << ",";
- if (val.isReallyHidden())
- O << " cl::ReallyHidden";
- else
- O << " cl::Hidden";
+ if (val.isOptional())
+ O << ", cl::Optional";
+
+ if (val.isOneOrMore())
+ O << ", cl::OneOrMore";
+
+ if (val.isZeroOrMore())
+ O << ", cl::ZeroOrMore";
+
+ if (val.isReallyHidden())
+ O << ", cl::ReallyHidden";
+ else if (val.isHidden())
+ O << ", cl::Hidden";
+
+ if (val.isCommaSeparated())
+ O << ", cl::CommaSeparated";
+
+ if (val.MultiVal > 1)
+ O << ", cl::multi_val(" << val.MultiVal << ')';
+
+ if (val.InitVal) {
+ const std::string& str = val.InitVal->getAsString();
+ O << ", cl::init(" << str << ')';
}
if (!val.Help.empty())
O << ", cl::desc(\"" << val.Help << "\")";
- O << ");\n";
+ O << ");\n\n";
}
// Emit the aliases (they should go after all the 'proper' options).
// Emit the sink option.
if (HasSink)
- O << (HasExterns ? "extern cl" : "cl")
- << "::list<std::string> " << SinkOptionName
- << (HasExterns ? ";\n" : "(cl::Sink);\n");
+ O << "cl" << "::list<std::string> " << SinkOptionName << "(cl::Sink);\n";
+
+ O << '\n';
+}
+
+/// EmitPreprocessOptionsCallback - Helper function passed to
+/// EmitCaseConstructHandler() by EmitPreprocessOptions().
+
+class EmitPreprocessOptionsCallback;
+
+typedef void
+(EmitPreprocessOptionsCallback::* EmitPreprocessOptionsCallbackHandler)
+(const DagInit&, unsigned, raw_ostream&) const;
+
+class EmitPreprocessOptionsCallback :
+ public ActionHandlingCallbackBase,
+ public HandlerTable<EmitPreprocessOptionsCallbackHandler>
+{
+ typedef EmitPreprocessOptionsCallbackHandler Handler;
+ typedef void
+ (EmitPreprocessOptionsCallback::* HandlerImpl)
+ (const Init*, unsigned, raw_ostream&) const;
+
+ const OptionDescriptions& OptDescs_;
+
+ void onListOrDag(const DagInit& d, HandlerImpl h,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ CheckNumberOfArguments(d, 1);
+ const Init* I = d.getArg(0);
+
+ // If I is a list, apply h to each element.
+ if (typeid(*I) == typeid(ListInit)) {
+ const ListInit& L = *static_cast<const ListInit*>(I);
+ for (ListInit::const_iterator B = L.begin(), E = L.end(); B != E; ++B)
+ ((this)->*(h))(*B, IndentLevel, O);
+ }
+ // Otherwise, apply h to I.
+ else {
+ ((this)->*(h))(I, IndentLevel, O);
+ }
+ }
+
+ void onUnsetOptionImpl(const Init* I,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ const std::string& OptName = InitPtrToString(I);
+ const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
+
+ if (OptDesc.isSwitch()) {
+ O.indent(IndentLevel) << OptDesc.GenVariableName() << " = false;\n";
+ }
+ else if (OptDesc.isParameter()) {
+ O.indent(IndentLevel) << OptDesc.GenVariableName() << " = \"\";\n";
+ }
+ else if (OptDesc.isList()) {
+ O.indent(IndentLevel) << OptDesc.GenVariableName() << ".clear();\n";
+ }
+ else {
+ throw "Can't apply 'unset_option' to alias option '" + OptName + "'!";
+ }
+ }
+
+ void onUnsetOption(const DagInit& d,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ this->onListOrDag(d, &EmitPreprocessOptionsCallback::onUnsetOptionImpl,
+ IndentLevel, O);
+ }
+
+ void onSetOptionImpl(const DagInit& d,
+ unsigned IndentLevel, raw_ostream& O) const {
+ CheckNumberOfArguments(d, 2);
+ const std::string& OptName = InitPtrToString(d.getArg(0));
+ const Init* Value = d.getArg(1);
+ const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
+
+ if (OptDesc.isList()) {
+ const ListInit& List = InitPtrToList(Value);
+
+ O.indent(IndentLevel) << OptDesc.GenVariableName() << ".clear();\n";
+ for (ListInit::const_iterator B = List.begin(), E = List.end();
+ B != E; ++B) {
+ const Init* CurElem = *B;
+ if (OptDesc.isSwitchList())
+ CheckBooleanConstant(CurElem);
+
+ O.indent(IndentLevel)
+ << OptDesc.GenVariableName() << ".push_back(\""
+ << (OptDesc.isSwitchList() ? CurElem->getAsString()
+ : InitPtrToString(CurElem))
+ << "\");\n";
+ }
+ }
+ else if (OptDesc.isSwitch()) {
+ CheckBooleanConstant(Value);
+ O.indent(IndentLevel) << OptDesc.GenVariableName()
+ << " = " << Value->getAsString() << ";\n";
+ }
+ else if (OptDesc.isParameter()) {
+ const std::string& Str = InitPtrToString(Value);
+ O.indent(IndentLevel) << OptDesc.GenVariableName()
+ << " = \"" << Str << "\";\n";
+ }
+ else {
+ throw "Can't apply 'set_option' to alias option -" + OptName + " !";
+ }
+ }
+
+ void onSetSwitch(const Init* I,
+ unsigned IndentLevel, raw_ostream& O) const {
+ const std::string& OptName = InitPtrToString(I);
+ const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
+
+ if (OptDesc.isSwitch())
+ O.indent(IndentLevel) << OptDesc.GenVariableName() << " = true;\n";
+ else
+ throw "set_option: -" + OptName + " is not a switch option!";
+ }
+
+ void onSetOption(const DagInit& d,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ CheckNumberOfArguments(d, 1);
+
+ // Two arguments: (set_option "parameter", VALUE), where VALUE can be a
+ // boolean, a string or a string list.
+ if (d.getNumArgs() > 1)
+ this->onSetOptionImpl(d, IndentLevel, O);
+ // One argument: (set_option "switch")
+ // or (set_option ["switch1", "switch2", ...])
+ else
+ this->onListOrDag(d, &EmitPreprocessOptionsCallback::onSetSwitch,
+ IndentLevel, O);
+ }
+
+public:
+
+ EmitPreprocessOptionsCallback(const OptionDescriptions& OptDescs)
+ : OptDescs_(OptDescs)
+ {
+ if (!staticMembersInitialized_) {
+ AddHandler("error", &EmitPreprocessOptionsCallback::onErrorDag);
+ AddHandler("warning", &EmitPreprocessOptionsCallback::onWarningDag);
+ AddHandler("unset_option", &EmitPreprocessOptionsCallback::onUnsetOption);
+ AddHandler("set_option", &EmitPreprocessOptionsCallback::onSetOption);
+
+ staticMembersInitialized_ = true;
+ }
+ }
+
+ void operator()(const Init* I,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ InvokeDagInitHandler(this, I, IndentLevel, O);
+ }
+
+};
+
+/// EmitPreprocessOptions - Emit the PreprocessOptions() function.
+void EmitPreprocessOptions (const RecordKeeper& Records,
+ const OptionDescriptions& OptDecs, raw_ostream& O)
+{
+ O << "int PreprocessOptions () {\n";
+
+ const RecordVector& OptionPreprocessors =
+ Records.getAllDerivedDefinitions("OptionPreprocessor");
+
+ for (RecordVector::const_iterator B = OptionPreprocessors.begin(),
+ E = OptionPreprocessors.end(); B!=E; ++B) {
+ DagInit* Case = (*B)->getValueAsDag("preprocessor");
+ EmitCaseConstructHandler(Case, Indent1,
+ EmitPreprocessOptionsCallback(OptDecs),
+ false, OptDecs, O);
+ }
O << '\n';
+ O.indent(Indent1) << "return 0;\n";
+ O << "}\n\n";
}
/// EmitPopulateLanguageMap - Emit the PopulateLanguageMap() function.
-void EmitPopulateLanguageMap (const RecordKeeper& Records, std::ostream& O)
+void EmitPopulateLanguageMap (const RecordKeeper& Records, raw_ostream& O)
{
- // Generate code
- O << "namespace {\n\n";
- O << "void PopulateLanguageMapLocal(LanguageMap& langMap) {\n";
+ O << "int PopulateLanguageMap (LanguageMap& langMap) {\n";
// Get the relevant field out of RecordKeeper
+ // TODO: change this to getAllDerivedDefinitions.
const Record* LangMapRecord = Records.getDef("LanguageMap");
// It is allowed for a plugin to have no language map.
ListInit* LangsToSuffixesList = LangMapRecord->getValueAsListInit("map");
if (!LangsToSuffixesList)
- throw std::string("Error in the language map definition!");
+ throw "Error in the language map definition!";
for (unsigned i = 0; i < LangsToSuffixesList->size(); ++i) {
const Record* LangToSuffixes = LangsToSuffixesList->getElementAsRecord(i);
const ListInit* Suffixes = LangToSuffixes->getValueAsListInit("suffixes");
for (unsigned i = 0; i < Suffixes->size(); ++i)
- O << Indent1 << "langMap[\""
- << InitPtrToString(Suffixes->getElement(i))
- << "\"] = \"" << Lang << "\";\n";
+ O.indent(Indent1) << "langMap[\""
+ << InitPtrToString(Suffixes->getElement(i))
+ << "\"] = \"" << Lang << "\";\n";
}
}
- O << "}\n\n}\n\n";
+ O << '\n';
+ O.indent(Indent1) << "return 0;\n";
+ O << "}\n\n";
}
/// IncDecWeight - Helper function passed to EmitCaseConstructHandler()
/// by EmitEdgeClass().
-void IncDecWeight (const Init* i, const char* IndentLevel,
- std::ostream& O) {
+void IncDecWeight (const Init* i, unsigned IndentLevel,
+ raw_ostream& O) {
const DagInit& d = InitPtrToDag(i);
- const std::string& OpName = d.getOperator()->getAsString();
+ const std::string& OpName = GetOperatorName(d);
- if (OpName == "inc_weight")
- O << IndentLevel << "ret += ";
- else if (OpName == "dec_weight")
- O << IndentLevel << "ret -= ";
- else
- throw "Unknown operator in edge properties list: " + OpName + '!';
+ if (OpName == "inc_weight") {
+ O.indent(IndentLevel) << "ret += ";
+ }
+ else if (OpName == "dec_weight") {
+ O.indent(IndentLevel) << "ret -= ";
+ }
+ else if (OpName == "error") {
+ // TODO: fix this
+ CheckNumberOfArguments(d, 1);
+ O.indent(IndentLevel) << "PrintError(\""
+ << InitPtrToString(d.getArg(0))
+ << "\");\n";
+ O.indent(IndentLevel) << "return -1;\n";
+ return;
+ }
+ else {
+ throw "Unknown operator in edge properties list: '" + OpName + "'!"
+ "\nOnly 'inc_weight', 'dec_weight' and 'error' are allowed.";
+ }
if (d.getNumArgs() > 0)
O << InitPtrToInt(d.getArg(0)) << ";\n";
/// EmitEdgeClass - Emit a single Edge# class.
void EmitEdgeClass (unsigned N, const std::string& Target,
DagInit* Case, const OptionDescriptions& OptDescs,
- std::ostream& O) {
+ raw_ostream& O) {
// Class constructor.
O << "class Edge" << N << ": public Edge {\n"
- << "public:\n"
- << Indent1 << "Edge" << N << "() : Edge(\"" << Target
- << "\") {}\n\n"
+ << "public:\n";
+ O.indent(Indent1) << "Edge" << N << "() : Edge(\"" << Target
+ << "\") {}\n\n";
// Function Weight().
- << Indent1 << "unsigned Weight(const InputLanguagesSet& InLangs) const {\n"
- << Indent2 << "unsigned ret = 0;\n";
+ O.indent(Indent1)
+ << "unsigned Weight(const InputLanguagesSet& InLangs) const {\n";
+ O.indent(Indent2) << "unsigned ret = 0;\n";
// Handle the 'case' construct.
EmitCaseConstructHandler(Case, Indent2, IncDecWeight, false, OptDescs, O);
- O << Indent2 << "return ret;\n"
- << Indent1 << "};\n\n};\n\n";
+ O.indent(Indent2) << "return ret;\n";
+ O.indent(Indent1) << "}\n\n};\n\n";
}
/// EmitEdgeClasses - Emit Edge* classes that represent graph edges.
void EmitEdgeClasses (const RecordVector& EdgeVector,
const OptionDescriptions& OptDescs,
- std::ostream& O) {
+ raw_ostream& O) {
int i = 0;
for (RecordVector::const_iterator B = EdgeVector.begin(),
E = EdgeVector.end(); B != E; ++B) {
const Record* Edge = *B;
const std::string& NodeB = Edge->getValueAsString("b");
- DagInit* Weight = Edge->getValueAsDag("weight");
+ DagInit& Weight = *Edge->getValueAsDag("weight");
- if (!isDagEmpty(Weight))
- EmitEdgeClass(i, NodeB, Weight, OptDescs, O);
+ if (!IsDagEmpty(Weight))
+ EmitEdgeClass(i, NodeB, &Weight, OptDescs, O);
++i;
}
}
-/// EmitPopulateCompilationGraph - Emit the PopulateCompilationGraph()
-/// function.
+/// EmitPopulateCompilationGraph - Emit the PopulateCompilationGraph() function.
void EmitPopulateCompilationGraph (const RecordVector& EdgeVector,
const ToolDescriptions& ToolDescs,
- std::ostream& O)
+ raw_ostream& O)
{
- O << "namespace {\n\n";
- O << "void PopulateCompilationGraphLocal(CompilationGraph& G) {\n";
+ O << "int PopulateCompilationGraph (CompilationGraph& G) {\n";
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
E = ToolDescs.end(); B != E; ++B)
- O << Indent1 << "G.insertNode(new " << (*B)->Name << "());\n";
+ O.indent(Indent1) << "G.insertNode(new " << (*B)->Name << "());\n";
O << '\n';
const Record* Edge = *B;
const std::string& NodeA = Edge->getValueAsString("a");
const std::string& NodeB = Edge->getValueAsString("b");
- DagInit* Weight = Edge->getValueAsDag("weight");
+ DagInit& Weight = *Edge->getValueAsDag("weight");
- O << Indent1 << "G.insertEdge(\"" << NodeA << "\", ";
+ O.indent(Indent1) << "if (int ret = G.insertEdge(\"" << NodeA << "\", ";
- if (isDagEmpty(Weight))
+ if (IsDagEmpty(Weight))
O << "new SimpleEdge(\"" << NodeB << "\")";
else
O << "new Edge" << i << "()";
- O << ");\n";
+ O << "))\n";
+ O.indent(Indent2) << "return ret;\n";
+
++i;
}
- O << "}\n\n}\n\n";
+ O << '\n';
+ O.indent(Indent1) << "return 0;\n";
+ O << "}\n\n";
}
+/// HookInfo - Information about the hook type and number of arguments.
+struct HookInfo {
+
+ // A hook can either have a single parameter of type std::vector<std::string>,
+ // or NumArgs parameters of type const char*.
+ enum HookType { ListHook, ArgHook };
+
+ HookType Type;
+ unsigned NumArgs;
+
+ HookInfo() : Type(ArgHook), NumArgs(1)
+ {}
+
+ HookInfo(HookType T) : Type(T), NumArgs(1)
+ {}
+
+ HookInfo(unsigned N) : Type(ArgHook), NumArgs(N)
+ {}
+};
+
+typedef llvm::StringMap<HookInfo> HookInfoMap;
+
/// ExtractHookNames - Extract the hook names from all instances of
-/// $CALL(HookName) in the provided command line string. Helper
+/// $CALL(HookName) in the provided command line string/action. Helper
/// function used by FillInHookNames().
class ExtractHookNames {
- llvm::StringSet<>& HookNames_;
+ HookInfoMap& HookNames_;
+ const OptionDescriptions& OptDescs_;
public:
- ExtractHookNames(llvm::StringSet<>& HookNames)
- : HookNames_(HookNames_) {}
+ ExtractHookNames(HookInfoMap& HookNames, const OptionDescriptions& OptDescs)
+ : HookNames_(HookNames), OptDescs_(OptDescs)
+ {}
+
+ void onAction (const DagInit& Dag) {
+ const std::string& Name = GetOperatorName(Dag);
+
+ if (Name == "forward_transformed_value") {
+ CheckNumberOfArguments(Dag, 2);
+ const std::string& OptName = InitPtrToString(Dag.getArg(0));
+ const std::string& HookName = InitPtrToString(Dag.getArg(1));
+ const OptionDescription& D =
+ OptDescs_.FindParameterListOrParameter(OptName);
- void operator()(const Init* CmdLine) {
+ HookNames_[HookName] = HookInfo(D.isList() ? HookInfo::ListHook
+ : HookInfo::ArgHook);
+ }
+ else if (Name == "append_cmd" || Name == "output_suffix") {
+ CheckNumberOfArguments(Dag, 1);
+ this->onCmdLine(InitPtrToString(Dag.getArg(0)));
+ }
+ }
+
+ void onCmdLine(const std::string& Cmd) {
StrVector cmds;
- llvm::SplitString(InitPtrToString(CmdLine), cmds);
+ TokenizeCmdLine(Cmd, cmds);
+
for (StrVector::const_iterator B = cmds.begin(), E = cmds.end();
B != E; ++B) {
const std::string& cmd = *B;
- if (cmd.find("$CALL(") == 0) {
- if (cmd.size() == 6)
- throw std::string("$CALL invocation: empty argument list!");
- HookNames_.insert(std::string(cmd.begin() + 6,
- cmd.begin() + cmd.find(")")));
+
+ if (cmd == "$CALL") {
+ unsigned NumArgs = 0;
+ CheckedIncrement(B, E, "Syntax error in $CALL invocation!");
+ const std::string& HookName = *B;
+
+ if (HookName.at(0) == ')')
+ throw "$CALL invoked with no arguments!";
+
+ while (++B != E && B->at(0) != ')') {
+ ++NumArgs;
+ }
+
+ HookInfoMap::const_iterator H = HookNames_.find(HookName);
+
+ if (H != HookNames_.end() && H->second.NumArgs != NumArgs &&
+ H->second.Type != HookInfo::ArgHook)
+ throw "Overloading of hooks is not allowed. Overloaded hook: "
+ + HookName;
+ else
+ HookNames_[HookName] = HookInfo(NumArgs);
+ }
+ }
+ }
+
+ void operator()(const Init* Arg) {
+
+ // We're invoked on an action (either a dag or a dag list).
+ if (typeid(*Arg) == typeid(DagInit)) {
+ const DagInit& Dag = InitPtrToDag(Arg);
+ this->onAction(Dag);
+ return;
+ }
+ else if (typeid(*Arg) == typeid(ListInit)) {
+ const ListInit& List = InitPtrToList(Arg);
+ for (ListInit::const_iterator B = List.begin(), E = List.end(); B != E;
+ ++B) {
+ const DagInit& Dag = InitPtrToDag(*B);
+ this->onAction(Dag);
}
+ return;
}
+
+ // We're invoked on a command line.
+ this->onCmdLine(InitPtrToString(Arg));
+ }
+
+ void operator()(const DagInit* Test, unsigned, bool) {
+ this->operator()(Test);
+ }
+ void operator()(const Init* Statement, unsigned) {
+ this->operator()(Statement);
}
};
/// FillInHookNames - Actually extract the hook names from all command
/// line strings. Helper function used by EmitHookDeclarations().
void FillInHookNames(const ToolDescriptions& ToolDescs,
- llvm::StringSet<>& HookNames)
+ const OptionDescriptions& OptDescs,
+ HookInfoMap& HookNames)
{
- // For all command lines:
+ // For all tool descriptions:
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
E = ToolDescs.end(); B != E; ++B) {
const ToolDescription& D = *(*B);
+
+ // Look for 'forward_transformed_value' in 'actions'.
+ if (D.Actions)
+ WalkCase(D.Actions, Id(), ExtractHookNames(HookNames, OptDescs));
+
+ // Look for hook invocations in 'cmd_line'.
if (!D.CmdLine)
continue;
if (dynamic_cast<StringInit*>(D.CmdLine))
// This is a string.
- ExtractHookNames(HookNames).operator()(D.CmdLine);
+ ExtractHookNames(HookNames, OptDescs).operator()(D.CmdLine);
else
// This is a 'case' construct.
- WalkCase(D.CmdLine, Id(), ExtractHookNames(HookNames));
+ WalkCase(D.CmdLine, Id(), ExtractHookNames(HookNames, OptDescs));
}
}
/// EmitHookDeclarations - Parse CmdLine fields of all the tool
/// property records and emit hook function declaration for each
/// instance of $CALL(HookName).
-void EmitHookDeclarations(const ToolDescriptions& ToolDescs, std::ostream& O) {
- llvm::StringSet<> HookNames;
- FillInHookNames(ToolDescs, HookNames);
+void EmitHookDeclarations(const ToolDescriptions& ToolDescs,
+ const OptionDescriptions& OptDescs, raw_ostream& O) {
+ HookInfoMap HookNames;
+
+ FillInHookNames(ToolDescs, OptDescs, HookNames);
if (HookNames.empty())
return;
O << "namespace hooks {\n";
- for (StringSet<>::const_iterator B = HookNames.begin(), E = HookNames.end();
- B != E; ++B)
- O << Indent1 << "std::string " << B->first() << "();\n";
+ for (HookInfoMap::const_iterator B = HookNames.begin(),
+ E = HookNames.end(); B != E; ++B) {
+ const char* HookName = B->first();
+ const HookInfo& Info = B->second;
- O << "}\n\n";
-}
+ O.indent(Indent1) << "std::string " << HookName << "(";
-/// EmitRegisterPlugin - Emit code to register this plugin.
-void EmitRegisterPlugin(int Priority, std::ostream& O) {
- O << "namespace {\n\n"
- << "struct Plugin : public llvmc::BasePlugin {\n\n"
- << Indent1 << "int Priority() const { return " << Priority << "; }\n\n"
- << Indent1 << "void PopulateLanguageMap(LanguageMap& langMap) const\n"
- << Indent1 << "{ PopulateLanguageMapLocal(langMap); }\n\n"
- << Indent1
- << "void PopulateCompilationGraph(CompilationGraph& graph) const\n"
- << Indent1 << "{ PopulateCompilationGraphLocal(graph); }\n"
- << "};\n\n"
+ if (Info.Type == HookInfo::ArgHook) {
+ for (unsigned i = 0, j = Info.NumArgs; i < j; ++i) {
+ O << "const char* Arg" << i << (i+1 == j ? "" : ", ");
+ }
+ }
+ else {
+ O << "const std::vector<std::string>& Arg";
+ }
- << "static llvmc::RegisterPlugin<Plugin> RP;\n\n}\n\n";
+ O <<");\n";
+ }
+ O << "}\n\n";
}
/// EmitIncludes - Emit necessary #include directives and some
/// additional declarations.
-void EmitIncludes(std::ostream& O) {
- O << "#include \"llvm/CompilerDriver/CompilationGraph.h\"\n"
- << "#include \"llvm/CompilerDriver/Plugin.h\"\n"
+void EmitIncludes(raw_ostream& O) {
+ O << "#include \"llvm/CompilerDriver/BuiltinOptions.h\"\n"
+ << "#include \"llvm/CompilerDriver/CompilationGraph.h\"\n"
+ << "#include \"llvm/CompilerDriver/Error.h\"\n"
<< "#include \"llvm/CompilerDriver/Tool.h\"\n\n"
- << "#include \"llvm/ADT/StringExtras.h\"\n"
- << "#include \"llvm/Support/CommandLine.h\"\n\n"
+ << "#include \"llvm/Support/CommandLine.h\"\n"
+ << "#include \"llvm/Support/raw_ostream.h\"\n\n"
+ << "#include <algorithm>\n"
<< "#include <cstdlib>\n"
+ << "#include <iterator>\n"
<< "#include <stdexcept>\n\n"
<< "using namespace llvm;\n"
struct PluginData {
OptionDescriptions OptDescs;
bool HasSink;
- bool HasExterns;
ToolDescriptions ToolDescs;
RecordVector Edges;
- int Priority;
};
/// HasSink - Go through the list of tool descriptions and check if
return false;
}
-/// HasExterns - Go through the list of option descriptions and check
-/// if there are any external options.
-bool HasExterns(const OptionDescriptions& OptDescs) {
- for (OptionDescriptions::const_iterator B = OptDescs.begin(),
- E = OptDescs.end(); B != E; ++B)
- if (B->second.isExtern())
- return true;
-
- return false;
-}
-
-/// CollectPluginData - Collect tool and option properties,
-/// compilation graph edges and plugin priority from the parse tree.
+/// CollectPluginData - Collect compilation graph edges, tool properties and
+/// option properties from the parse tree.
void CollectPluginData (const RecordKeeper& Records, PluginData& Data) {
// Collect option properties.
const RecordVector& OptionLists =
const RecordVector& Tools = Records.getAllDerivedDefinitions("Tool");
CollectToolDescriptions(Tools.begin(), Tools.end(), Data.ToolDescs);
Data.HasSink = HasSink(Data.ToolDescs);
- Data.HasExterns = HasExterns(Data.OptDescs);
// Collect compilation graph edges.
const RecordVector& CompilationGraphs =
Records.getAllDerivedDefinitions("CompilationGraph");
FillInEdgeVector(CompilationGraphs.begin(), CompilationGraphs.end(),
Data.Edges);
-
- // Calculate the priority of this plugin.
- const RecordVector& Priorities =
- Records.getAllDerivedDefinitions("PluginPriority");
- Data.Priority = CalculatePriority(Priorities.begin(), Priorities.end());
}
/// CheckPluginData - Perform some sanity checks on the collected data.
// Check that there are no options without side effects (specified
// only in the OptionList).
CheckForSuperfluousOptions(Data.Edges, Data.ToolDescs, Data.OptDescs);
-
}
-void EmitPluginCode(const PluginData& Data, std::ostream& O) {
+void EmitPluginCode(const PluginData& Data, raw_ostream& O) {
// Emit file header.
EmitIncludes(O);
// Emit global option registration code.
- EmitOptionDefintions(Data.OptDescs, Data.HasSink, Data.HasExterns, O);
+ EmitOptionDefinitions(Data.OptDescs, Data.HasSink, O);
// Emit hook declarations.
- EmitHookDeclarations(Data.ToolDescs, O);
+ EmitHookDeclarations(Data.ToolDescs, Data.OptDescs, O);
- // Emit PopulateLanguageMap() function
- // (a language map maps from file extensions to language names).
- EmitPopulateLanguageMap(Records, O);
+ O << "namespace {\n\n";
// Emit Tool classes.
for (ToolDescriptions::const_iterator B = Data.ToolDescs.begin(),
// Emit Edge# classes.
EmitEdgeClasses(Data.Edges, Data.OptDescs, O);
+ O << "} // End anonymous namespace.\n\n";
+
+ O << "namespace llvmc {\n";
+ O << "namespace autogenerated {\n\n";
+
+ // Emit PreprocessOptions() function.
+ EmitPreprocessOptions(Records, Data.OptDescs, O);
+
+ // Emit PopulateLanguageMap() function
+ // (language map maps from file extensions to language names).
+ EmitPopulateLanguageMap(Records, O);
+
// Emit PopulateCompilationGraph() function.
EmitPopulateCompilationGraph(Data.Edges, Data.ToolDescs, O);
- // Emit code for plugin registration.
- EmitRegisterPlugin(Data.Priority, O);
+ O << "} // End namespace autogenerated.\n";
+ O << "} // End namespace llvmc.\n\n";
// EOF
}
}
/// run - The back-end entry point.
-void LLVMCConfigurationEmitter::run (std::ostream &O) {
+void LLVMCConfigurationEmitter::run (raw_ostream &O) {
try {
PluginData Data;
CollectPluginData(Records, Data);
CheckPluginData(Data);
- EmitSourceFileHeader("LLVMC Configuration Library", O);
+ this->EmitSourceFileHeader("LLVMC Configuration Library", O);
EmitPluginCode(Data, O);
} catch (std::exception& Error) {
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