LLVMCConfigurationEmitter.cpp [plain text]
#include "LLVMCConfigurationEmitter.h"
#include "Record.h"
#include "llvm/ADT/IntrusiveRefCntPtr.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringSet.h"
#include <algorithm>
#include <cassert>
#include <functional>
#include <stdexcept>
#include <string>
#include <typeinfo>
using namespace llvm;
namespace {
typedef std::vector<Record*> RecordVector;
typedef std::vector<std::string> StrVector;
const unsigned TabWidth = 4;
const unsigned Indent1 = TabWidth*1;
const unsigned Indent2 = TabWidth*2;
const unsigned Indent3 = TabWidth*3;
const unsigned Indent4 = TabWidth*4;
const char * const DefaultHelpString = "NO HELP MESSAGE PROVIDED";
const char * const SinkOptionName = "AutoGeneratedSinkOption";
struct Id {
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 {
}
};
int InitPtrToInt(const Init* ptr) {
const IntInit& val = dynamic_cast<const IntInit&>(*ptr);
return val.getValue();
}
const std::string& InitPtrToString(const Init* ptr) {
const StringInit& val = dynamic_cast<const StringInit&>(*ptr);
return val.getValue();
}
const ListInit& InitPtrToList(const Init* ptr) {
const ListInit& val = dynamic_cast<const ListInit&>(*ptr);
return val;
}
const DagInit& InitPtrToDag(const Init* ptr) {
const DagInit& val = dynamic_cast<const DagInit&>(*ptr);
return val;
}
const std::string GetOperatorName(const DagInit& D) {
return D.getOperator()->getAsString();
}
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'";
}
}
void CheckNumberOfArguments (const DagInit& d, unsigned minArgs) {
if (d.getNumArgs() < minArgs)
throw GetOperatorName(d) + ": too few arguments!";
}
bool IsDagEmpty (const DagInit& d) {
return GetOperatorName(d) == "empty_dag_marker";
}
std::string EscapeVariableName (const std::string& Var) {
std::string ret;
for (unsigned i = 0; i != Var.size(); ++i) {
char cur_char = Var[i];
if (cur_char == ',') {
ret += "_comma_";
}
else if (cur_char == '+') {
ret += "_plus_";
}
else if (cur_char == '-') {
ret += "_dash_";
}
else {
ret.push_back(cur_char);
}
}
return ret;
}
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;
}
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;
}
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);
}
namespace OptionType {
enum OptionType { Alias, Switch, Parameter, ParameterList,
Prefix, PrefixList};
bool IsAlias(OptionType t) {
return (t == Alias);
}
bool IsList (OptionType t) {
return (t == ParameterList || t == PrefixList);
}
bool IsSwitch (OptionType t) {
return (t == Switch);
}
bool IsParameter (OptionType t) {
return (t == Parameter || t == Prefix);
}
}
OptionType::OptionType stringToOptionType(const std::string& T) {
if (T == "alias_option")
return OptionType::Alias;
else if (T == "switch_option")
return OptionType::Switch;
else if (T == "parameter_option")
return OptionType::Parameter;
else if (T == "parameter_list_option")
return OptionType::ParameterList;
else if (T == "prefix_option")
return OptionType::Prefix;
else if (T == "prefix_list_option")
return OptionType::PrefixList;
else
throw "Unknown option type: " + T + '!';
}
namespace OptionDescriptionFlags {
enum OptionDescriptionFlags { Required = 0x1, Hidden = 0x2,
ReallyHidden = 0x4, Extern = 0x8,
OneOrMore = 0x10, Optional = 0x20,
CommaSeparated = 0x40, ForwardNotSplit = 0x80,
ZeroOrMore = 0x100 };
}
struct OptionDescription {
OptionType::OptionType Type;
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), MultiVal(1), InitVal(0)
{}
const char* GenTypeDeclaration() const;
std::string GenVariableName() const;
void Merge (const OptionDescription& other);
void CheckConsistency() const;
bool isAlias() const;
bool isMultiVal() const;
bool isCommaSeparated() const;
void setCommaSeparated();
bool isExtern() const;
void setExtern();
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 isParameter() const
{ return OptionType::IsParameter(this->Type); }
bool isList() const
{ return OptionType::IsList(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)
throw "Conflicting definitions for the option " + Name + "!";
if (Help == other.Help || Help == DefaultHelpString)
Help = other.Help;
else if (other.Help != DefaultHelpString) {
llvm::errs() << "Warning: several different help strings"
" defined for option " + Name + "\n";
}
Flags |= other.Flags;
}
bool OptionDescription::isAlias() const {
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::isForwardNotSplit() const {
return Flags & OptionDescriptionFlags::ForwardNotSplit;
}
void OptionDescription::setForwardNotSplit() {
Flags |= OptionDescriptionFlags::ForwardNotSplit;
}
bool OptionDescription::isExtern() const {
return Flags & OptionDescriptionFlags::Extern;
}
void OptionDescription::setExtern() {
Flags |= OptionDescriptionFlags::Extern;
}
bool OptionDescription::isRequired() const {
return Flags & OptionDescriptionFlags::Required;
}
void OptionDescription::setRequired() {
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;
}
void OptionDescription::setHidden() {
Flags |= OptionDescriptionFlags::Hidden;
}
bool OptionDescription::isReallyHidden() const {
return Flags & OptionDescriptionFlags::ReallyHidden;
}
void OptionDescription::setReallyHidden() {
Flags |= OptionDescriptionFlags::ReallyHidden;
}
const char* OptionDescription::GenTypeDeclaration() const {
switch (Type) {
case OptionType::Alias:
return "cl::alias";
case OptionType::PrefixList:
case OptionType::ParameterList:
return "cl::list<std::string>";
case OptionType::Switch:
return "cl::opt<bool>";
case OptionType::Parameter:
case OptionType::Prefix:
default:
return "cl::opt<std::string>";
}
}
std::string OptionDescription::GenVariableName() const {
const std::string& EscapedName = EscapeVariableName(Name);
switch (Type) {
case OptionType::Alias:
return "AutoGeneratedAlias_" + EscapedName;
case OptionType::PrefixList:
case OptionType::ParameterList:
return "AutoGeneratedList_" + EscapedName;
case OptionType::Switch:
return "AutoGeneratedSwitch_" + EscapedName;
case OptionType::Prefix:
case OptionType::Parameter:
default:
return "AutoGeneratedParameter_" + EscapedName;
}
}
class OptionDescriptions {
typedef StringMap<OptionDescription> container_type;
container_type Descriptions;
public:
const OptionDescription& FindOption(const std::string& OptName) const;
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&
FindListOrParameter(const std::string& OptName) const;
void InsertDescription (const OptionDescription& o);
typedef container_type::const_iterator const_iterator;
const_iterator begin() const { return Descriptions.begin(); }
const_iterator end() const { return Descriptions.end(); }
};
const OptionDescription&
OptionDescriptions::FindOption(const std::string& OptName) const {
const_iterator I = Descriptions.find(OptName);
if (I != Descriptions.end())
return I->second;
else
throw OptName + ": no such option!";
}
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::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;
}
void OptionDescriptions::InsertDescription (const OptionDescription& o) {
container_type::iterator I = Descriptions.find(o.Name);
if (I != Descriptions.end()) {
OptionDescription& D = I->second;
D.Merge(o);
}
else {
Descriptions[o.Name] = o;
}
}
template <typename Handler>
class HandlerTable {
protected:
typedef StringMap<Handler> HandlerMap;
static HandlerMap Handlers_;
static bool staticMembersInitialized_;
public:
Handler GetHandler (const std::string& HandlerName) const {
typename HandlerMap::iterator method = Handlers_.find(HandlerName);
if (method != Handlers_.end()) {
Handler h = method->second;
return h;
}
else {
throw "No handler found for property " + HandlerName + "!";
}
}
void AddHandler(const char* Property, Handler H) {
Handlers_[Property] = H;
}
};
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;
class CollectOptionProperties;
typedef void (CollectOptionProperties::* CollectOptionPropertiesHandler)
(const DagInit&);
class CollectOptionProperties
: public HandlerTable<CollectOptionPropertiesHandler>
{
private:
OptionDescription& optDesc_;
public:
explicit CollectOptionProperties(OptionDescription& OD)
: optDesc_(OD)
{
if (!staticMembersInitialized_) {
AddHandler("extern", &CollectOptionProperties::onExtern);
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;
}
}
void operator() (Init* I) {
InvokeDagInitHandler(this, I);
}
private:
void onExtern (const DagInit& d) {
CheckNumberOfArguments(d, 0);
optDesc_.setExtern();
}
void onHelp (const DagInit& d) {
CheckNumberOfArguments(d, 1);
optDesc_.Help = EscapeQuotes(InitPtrToString(d.getArg(0)));
}
void onHidden (const DagInit& d) {
CheckNumberOfArguments(d, 0);
optDesc_.setHidden();
}
void onReallyHidden (const DagInit& d) {
CheckNumberOfArguments(d, 0);
optDesc_.setReallyHidden();
}
void onCommaSeparated (const DagInit& d) {
CheckNumberOfArguments(d, 0);
if (!optDesc_.isList())
throw "'comma_separated' is valid only on 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 (OptionType::IsList(optDesc_.Type))
llvm::errs() << "Warning: specifying the 'zero_or_more' property "
"on a list option has no effect.\n";
optDesc_.setZeroOrMore();
optDesc_.CheckConsistency();
}
void onOptional (const DagInit& d) {
CheckNumberOfArguments(d, 0);
if (!OptionType::IsList(optDesc_.Type))
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 (!OptionType::IsList(optDesc_.Type))
throw "The multi_val property is valid only on list options!";
optDesc_.MultiVal = val;
}
};
class AddOption {
private:
OptionDescriptions& OptDescs_;
public:
explicit AddOption(OptionDescriptions& OD) : OptDescs_(OD)
{}
void operator()(const Init* i) {
const DagInit& d = InitPtrToDag(i);
CheckNumberOfArguments(d, 1);
const OptionType::OptionType Type =
stringToOptionType(GetOperatorName(d));
const std::string& Name = InitPtrToString(d.getArg(0));
OptionDescription OD(Type, Name);
if (!OD.isExtern())
CheckNumberOfArguments(d, 2);
if (OD.isAlias()) {
OD.Help = InitPtrToString(d.getArg(1));
}
else if (!OD.isExtern()) {
processOptionProperties(d, OD);
}
OptDescs_.InsertDescription(OD);
}
private:
static void processOptionProperties (const DagInit& d, OptionDescription& o) {
CheckNumberOfArguments(d, 2);
DagInit::const_arg_iterator B = d.arg_begin();
++B;
std::for_each(B, d.arg_end(), CollectOptionProperties(o));
}
};
void CollectOptionDescriptions (RecordVector::const_iterator B,
RecordVector::const_iterator E,
OptionDescriptions& OptDescs)
{
for (; B!=E; ++B) {
RecordVector::value_type T = *B;
ListInit* PropList = T->getValueAsListInit("options");
std::for_each(PropList->begin(), PropList->end(), AddOption(OptDescs));
}
}
namespace ToolFlags {
enum ToolFlags { Join = 0x1, Sink = 0x2 };
}
struct ToolDescription : public RefCountedBase<ToolDescription> {
std::string Name;
Init* CmdLine;
Init* Actions;
StrVector InLanguage;
std::string InFileOption;
std::string OutFileOption;
std::string OutLanguage;
std::string OutputSuffix;
unsigned Flags;
const Init* OnEmpty;
void setSink() { Flags |= ToolFlags::Sink; }
bool isSink() const { return Flags & ToolFlags::Sink; }
void setJoin() { Flags |= ToolFlags::Join; }
bool isJoin() const { return Flags & ToolFlags::Join; }
ToolDescription ()
: CmdLine(0), Actions(0), OutFileOption("-o"),
Flags(0), OnEmpty(0)
{}
ToolDescription (const std::string& n)
: Name(n), CmdLine(0), Actions(0), OutFileOption("-o"),
Flags(0), OnEmpty(0)
{}
};
typedef std::vector<IntrusiveRefCntPtr<ToolDescription> > ToolDescriptions;
class CollectToolProperties;
typedef void (CollectToolProperties::* CollectToolPropertiesHandler)
(const DagInit&);
class CollectToolProperties : public HandlerTable<CollectToolPropertiesHandler>
{
private:
ToolDescription& toolDesc_;
public:
explicit CollectToolProperties (ToolDescription& d)
: toolDesc_(d)
{
if (!staticMembersInitialized_) {
AddHandler("actions", &CollectToolProperties::onActions);
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:
void onActions (const DagInit& d) {
CheckNumberOfArguments(d, 1);
Init* Case = d.getArg(0);
if (typeid(*Case) != typeid(DagInit) ||
GetOperatorName(static_cast<DagInit&>(*Case)) != "case")
throw "The argument to (actions) should be a 'case' construct!";
toolDesc_.Actions = Case;
}
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);
if (typeid(*arg) == typeid(StringInit)) {
toolDesc_.InLanguage.push_back(InitPtrToString(arg));
}
else {
const ListInit& lst = InitPtrToList(arg);
StrVector& out = toolDesc_.InLanguage;
for (ListInit::const_iterator B = lst.begin(), E = lst.end();
B != E; ++B) {
out.push_back(InitPtrToString(*B));
}
std::sort(out.begin(), out.end());
StrVector::iterator newE = std::unique(out.begin(), out.end());
out.erase(newE, out.end());
}
}
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 onOutFileOption (const DagInit& d) {
CheckNumberOfArguments(d, 1);
toolDesc_.OutFileOption = InitPtrToString(d.getArg(0));
}
void onInFileOption (const DagInit& d) {
CheckNumberOfArguments(d, 1);
toolDesc_.InFileOption = InitPtrToString(d.getArg(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);
}
};
void CollectToolDescriptions (RecordVector::const_iterator B,
RecordVector::const_iterator E,
ToolDescriptions& ToolDescs)
{
for (;B!=E;++B) {
const Record* T = *B;
ListInit* PropList = T->getValueAsListInit("properties");
IntrusiveRefCntPtr<ToolDescription>
ToolDesc(new ToolDescription(T->getName()));
std::for_each(PropList->begin(), PropList->end(),
CollectToolProperties(*ToolDesc));
ToolDescs.push_back(ToolDesc);
}
}
void FillInEdgeVector(RecordVector::const_iterator B,
RecordVector::const_iterator E, RecordVector& Out) {
for (; B != E; ++B) {
const ListInit* edges = (*B)->getValueAsListInit("edges");
for (unsigned i = 0; i < edges->size(); ++i)
Out.push_back(edges->getElementAsRecord(i));
}
}
int CalculatePriority(RecordVector::const_iterator B,
RecordVector::const_iterator E) {
int priority = 0;
if (B != E) {
priority = static_cast<int>((*B)->getValueAsInt("priority"));
if (++B != E)
throw "More than one 'PluginPriority' instance found: "
"most probably an error!";
}
return priority;
}
struct NotInGraph {
private:
const llvm::StringSet<>& ToolsInGraph_;
public:
NotInGraph(const llvm::StringSet<>& ToolsInGraph)
: ToolsInGraph_(ToolsInGraph)
{}
bool operator()(const IntrusiveRefCntPtr<ToolDescription>& x) {
return (ToolsInGraph_.count(x->Name) == 0);
}
};
void FilterNotInGraph (const RecordVector& EdgeVector,
ToolDescriptions& ToolDescs) {
llvm::StringSet<> ToolsInGraph;
for (RecordVector::const_iterator B = EdgeVector.begin(),
E = EdgeVector.end(); B != E; ++B) {
const Record* Edge = *B;
const std::string& NodeA = Edge->getValueAsString("a");
const std::string& NodeB = Edge->getValueAsString("b");
if (NodeA != "root")
ToolsInGraph.insert(NodeA);
ToolsInGraph.insert(NodeB);
}
ToolDescriptions::iterator new_end =
std::remove_if(ToolDescs.begin(), ToolDescs.end(),
NotInGraph(ToolsInGraph));
ToolDescs.erase(new_end, ToolDescs.end());
}
void FillInToolToLang (const ToolDescriptions& ToolDescs,
StringMap<StringSet<> >& ToolToInLang,
StringMap<std::string>& ToolToOutLang) {
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
E = ToolDescs.end(); B != E; ++B) {
const ToolDescription& D = *(*B);
for (StrVector::const_iterator B = D.InLanguage.begin(),
E = D.InLanguage.end(); B != E; ++B)
ToolToInLang[D.Name].insert(*B);
ToolToOutLang[D.Name] = D.OutLanguage;
}
}
void TypecheckGraph (const RecordVector& EdgeVector,
const ToolDescriptions& ToolDescs) {
StringMap<StringSet<> > ToolToInLang;
StringMap<std::string> ToolToOutLang;
FillInToolToLang(ToolDescs, ToolToInLang, ToolToOutLang);
StringMap<std::string>::iterator IAE = ToolToOutLang.end();
StringMap<StringSet<> >::iterator IBE = ToolToInLang.end();
for (RecordVector::const_iterator B = EdgeVector.begin(),
E = EdgeVector.end(); B != E; ++B) {
const Record* Edge = *B;
const std::string& NodeA = Edge->getValueAsString("a");
const std::string& NodeB = Edge->getValueAsString("b");
StringMap<std::string>::iterator IA = ToolToOutLang.find(NodeA);
StringMap<StringSet<> >::iterator IB = ToolToInLang.find(NodeB);
if (NodeA != "root") {
if (IA != IAE && IB != IBE && IB->second.count(IA->second) == 0)
throw "Edge " + NodeA + "->" + NodeB
+ ": output->input language mismatch";
}
if (NodeB == "root")
throw "Edges back to the root are not allowed!";
}
}
template <typename F1, typename F2>
void WalkCase(const Init* Case, F1 TestCallback, F2 StatementCallback,
unsigned IndentLevel = 0)
{
const DagInit& d = InitPtrToDag(Case);
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();
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)
{
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
{
if (dynamic_cast<DagInit*>(arg)
&& GetOperatorName(static_cast<DagInit&>(*arg)) == "case") {
WalkCase(arg, TestCallback, StatementCallback, IndentLevel + Indent1);
}
StatementCallback(arg, IndentLevel);
}
++i;
even = !even;
}
}
class ExtractOptionNames {
llvm::StringSet<>& OptionNames_;
void processDag(const Init* Statement) {
const DagInit& Stmt = InitPtrToDag(Statement);
const std::string& ActionName = GetOperatorName(Stmt);
if (ActionName == "forward" || ActionName == "forward_as" ||
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 {
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));
}
}
}
public:
ExtractOptionNames(llvm::StringSet<>& OptionNames) : OptionNames_(OptionNames)
{}
void operator()(const Init* Statement) {
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->processDag(*B);
}
else {
this->processDag(Statement);
}
}
void operator()(const DagInit& Test, unsigned, bool) {
this->operator()(&Test);
}
void operator()(const Init* Statement, unsigned) {
this->operator()(Statement);
}
};
void CheckForSuperfluousOptions (const RecordVector& Edges,
const ToolDescriptions& ToolDescs,
const OptionDescriptions& OptDescs) {
llvm::StringSet<> nonSuperfluousOptions;
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
E = ToolDescs.end(); B != E; ++B) {
const ToolDescription& TD = *(*B);
ExtractOptionNames Callback(nonSuperfluousOptions);
if (TD.Actions)
WalkCase(TD.Actions, Callback, Callback);
}
for (RecordVector::const_iterator B = Edges.begin(), E = Edges.end();
B != E; ++B) {
const Record* Edge = *B;
DagInit& Weight = *Edge->getValueAsDag("weight");
if (!IsDagEmpty(Weight))
WalkCase(&Weight, ExtractOptionNames(nonSuperfluousOptions), Id());
}
for (OptionDescriptions::const_iterator B = OptDescs.begin(),
E = OptDescs.end(); B != E; ++B) {
const OptionDescription& Val = B->second;
if (!nonSuperfluousOptions.count(Val.Name)
&& Val.Type != OptionType::Alias)
llvm::errs() << "Warning: option '-" << Val.Name << "' has no effect! "
"Probable cause: this option is specified only in the OptionList.\n";
}
}
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;
}
template <typename F>
void EmitListTest(const ListInit& L, const char* LogicOp,
F Callback, raw_ostream& O)
{
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);
}
}
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()";
}
}
};
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;
}
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") {
apply(EmitSwitchOn(OptDescs), OptName, O);
return true;
}
else if (TestName == "input_languages_contain") {
O << "InLangs.count(\"" << OptName << "\") != 0";
return true;
}
else if (TestName == "in_language") {
O << "LangMap.GetLanguage(inFile) == \"" << OptName << '\"';
return true;
}
else if (TestName == "not_empty" || TestName == "empty") {
bool EmitNegate = (TestName == "not_empty");
apply(EmitEmptyTest(EmitNegate, OptDescs), OptName, O);
return true;
}
return false;
}
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);
}
bool EmitCaseTest2Args(const std::string& TestName,
const DagInit& d,
unsigned IndentLevel,
const OptionDescriptions& OptDescs,
raw_ostream& O) {
CheckNumberOfArguments(d, 2);
const std::string& OptName = InitPtrToString(d.getArg(0));
const std::string& OptArg = InitPtrToString(d.getArg(1));
if (TestName == "parameter_equals") {
const OptionDescription& OptDesc = OptDescs.FindParameter(OptName);
O << OptDesc.GenVariableName() << " == \"" << OptArg << "\"";
return true;
}
else if (TestName == "element_in_list") {
const OptionDescription& OptDesc = OptDescs.FindList(OptName);
const std::string& VarName = OptDesc.GenVariableName();
O << "std::find(" << VarName << ".begin(),\n";
O.indent(IndentLevel + Indent1)
<< VarName << ".end(), \""
<< OptArg << "\") != " << VarName << ".end()";
return true;
}
return false;
}
void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
const OptionDescriptions& OptDescs,
raw_ostream& O);
void EmitLogicalOperationTest(const DagInit& d, const char* LogicOp,
unsigned IndentLevel,
const OptionDescriptions& OptDescs,
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";
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 << ")";
}
void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
const OptionDescriptions& OptDescs,
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 "Unknown test '" + TestName + "' used in the 'case' construct!";
}
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";
}
}
};
template <typename F>
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) {
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";
}
};
template <typename F>
void EmitCaseConstructHandler(const Init* Case, unsigned IndentLevel,
F Callback, bool EmitElseIf,
const OptionDescriptions& OptDescs,
raw_ostream& O) {
WalkCase(Case, EmitCaseTestCallback(EmitElseIf, OptDescs, O),
EmitCaseStatementCallback<F>(Callback, O), IndentLevel);
}
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;
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)) {
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;
}
Out.back().push_back(cur_ch);
}
}
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 {
O << '"' << Arg << '"';
}
}
O << ')';
return Pos;
}
StrVector::const_iterator
SubstituteEnv (StrVector::const_iterator Pos,
StrVector::const_iterator End, raw_ostream& O)
{
const char* errorMessage = "Syntax error in $ENV invocation!";
CheckedIncrement(Pos, End, errorMessage);
const std::string& EnvName = *Pos;
if (EnvName == ")")
throw "$ENV invocation: empty argument list!";
O << "checkCString(std::getenv(\"";
O << EnvName;
O << "\"))";
CheckedIncrement(Pos, End, errorMessage);
return Pos;
}
StrVector::const_iterator
SubstituteSpecialCommands (StrVector::const_iterator Pos,
StrVector::const_iterator End,
bool IsJoin, raw_ostream& O)
{
const std::string& cmd = *Pos;
if (cmd == "$CALL") {
Pos = SubstituteCall(Pos, End, IsJoin, O);
}
else if (cmd == "$ENV") {
Pos = SubstituteEnv(Pos, End, O);
}
else {
throw "Unknown special command: " + cmd;
}
const std::string& Leftover = *Pos;
assert(Leftover.at(0) == ')');
if (Leftover.size() != 1)
O << " + std::string(\"" << (Leftover.c_str() + 1) << "\")";
return Pos;
}
void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
bool IsJoin, unsigned IndentLevel,
raw_ostream& O) {
StrVector StrVec;
TokenizeCmdLine(InitPtrToString(CmdLine), StrVec);
if (StrVec.empty())
throw "Tool '" + ToolName + "' has empty command line!";
StrVector::const_iterator B = StrVec.begin(), E = StrVec.end();
assert(!StrVec[0].empty());
O.indent(IndentLevel) << "cmd = ";
if (StrVec[0][0] == '$') {
B = SubstituteSpecialCommands(B, E, IsJoin, O);
++B;
}
else {
O << '"' << StrVec[0] << '"';
++B;
}
O << ";\n";
assert(B <= E);
for (; B != E; ++B) {
const std::string& cmd = *B;
assert(!cmd.empty());
O.indent(IndentLevel);
if (cmd.at(0) == '$') {
O << "vec.push_back(std::make_pair(0, ";
B = SubstituteSpecialCommands(B, E, IsJoin, O);
O << "));\n";
}
else {
O << "vec.push_back(std::make_pair(0, \"" << cmd << "\"));\n";
}
}
}
void EmitForwardOptionPropertyHandlingCode (const OptionDescription& D,
unsigned IndentLevel,
const std::string& NewName,
raw_ostream& O) {
const std::string& Name = NewName.empty()
? ("-" + D.Name)
: NewName;
unsigned IndentLevel1 = IndentLevel + Indent1;
switch (D.Type) {
case OptionType::Switch:
O.indent(IndentLevel)
<< "vec.push_back(std::make_pair(" << D.GenVariableName()
<< ".getPosition(), \"" << Name << "\"));\n";
break;
case OptionType::Parameter:
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(IndentLevel) << "vec.push_back(std::make_pair("
<< D.GenVariableName() << ".getPosition(), \""
<< Name << "\" + "
<< D.GenVariableName() << "));\n";
break;
case OptionType::PrefixList:
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";
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:
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";
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::Alias:
default:
throw "Aliases are not allowed in tool option descriptions!";
}
}
struct ActionHandlingCallbackBase
{
void onErrorDag(const DagInit& d,
unsigned IndentLevel, raw_ostream& O) const
{
O.indent(IndentLevel)
<< "throw std::runtime_error(\"" <<
(d.getNumArgs() >= 1 ? InitPtrToString(d.getArg(0))
: "Unknown error!")
<< "\");\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";
}
};
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 EmitHookInvocation(const std::string& Str,
const char* BlockOpen, const char* BlockClose,
unsigned IndentLevel, raw_ostream& O) const
{
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, 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.FindListOrParameter(Name);
if (D.isParameter()) {
O.indent(IndentLevel) << "vec.push_back(std::make_pair("
<< D.GenVariableName() << ".getPosition(), "
<< D.GenVariableName() << "));\n";
}
else {
O.indent(IndentLevel) << "for (cl::list<std::string>::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.FindListOrParameter(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:
explicit EmitActionHandlersCallback(const OptionDescriptions& OD)
: OptDescs(OD)
{
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);
}
};
void EmitGenerateActionMethodHeader(const ToolDescription& D,
bool IsJoin, raw_ostream& O)
{
if (IsJoin)
O.indent(Indent1) << "Action GenerateAction(const PathVector& inFiles,\n";
else
O.indent(Indent1) << "Action GenerateAction(const sys::Path& inFile,\n";
O.indent(Indent2) << "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";
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) << "const char* output_suffix = \""
<< D.OutputSuffix << "\";\n";
}
void EmitGenerateActionMethod (const ToolDescription& D,
const OptionDescriptions& OptDescs,
bool IsJoin, raw_ostream& O) {
EmitGenerateActionMethodHeader(D, IsJoin, O);
if (!D.CmdLine)
throw "Tool " + D.Name + " has no cmd_line property!";
O << '\n';
EmitCmdLineVecFill(D.CmdLine, D.Name, IsJoin, Indent2, O);
O << '\n';
if (D.Actions)
EmitCaseConstructHandler(D.Actions, Indent2,
EmitActionHandlersCallback(OptDescs),
false, OptDescs, O);
O << '\n';
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";
}
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).str();\n\n";
O.indent(Indent3) << "vec.push_back(std::make_pair(65536, out_file));\n";
O.indent(Indent2) << "}\n\n";
if (D.isSink()) {
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.indent(Indent2) << "return Action(cmd, this->SortArgs(vec), "
<< "stop_compilation, out_file);\n";
O.indent(Indent1) << "}\n\n";
}
void EmitGenerateActionMethods (const ToolDescription& ToolDesc,
const OptionDescriptions& OptDescs,
raw_ostream& O) {
if (!ToolDesc.isJoin()) {
O.indent(Indent1) << "Action GenerateAction(const PathVector& inFiles,\n";
O.indent(Indent2) << "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";
O.indent(Indent2) << "throw std::runtime_error(\"" << ToolDesc.Name
<< " is not a Join tool!\");\n";
O.indent(Indent1) << "}\n\n";
}
else {
EmitGenerateActionMethod(ToolDesc, OptDescs, true, O);
}
EmitGenerateActionMethod(ToolDesc, OptDescs, false, O);
}
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.indent(Indent1) << "const char* OutputLanguage() const {\n";
O.indent(Indent2) << "return \"" << D.OutLanguage << "\";\n";
O.indent(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";
}
void EmitIsJoinMethod (const ToolDescription& D, raw_ostream& O) {
O.indent(Indent1) << "bool IsJoin() const {\n";
if (D.isJoin())
O.indent(Indent2) << "return true;\n";
else
O.indent(Indent2) << "return false;\n";
O.indent(Indent1) << "}\n\n";
}
void EmitWorksOnEmptyCallback (const Init* Value,
unsigned IndentLevel, raw_ostream& O) {
CheckBooleanConstant(Value);
O.indent(IndentLevel) << "return " << Value->getAsString() << ";\n";
}
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
EmitCaseConstructHandler(D.OnEmpty, Indent2, EmitWorksOnEmptyCallback,
true, OptDescs, O);
O.indent(Indent1) << "}\n\n";
}
void EmitStaticMemberDefinitions(const ToolDescription& D, raw_ostream& O) {
if (D.InLanguage.empty())
throw "Tool " + D.Name + " has no 'in_language' property!";
O << "const char* " << D.Name << "::InputLanguages_[] = {";
for (StrVector::const_iterator B = D.InLanguage.begin(),
E = D.InLanguage.end(); B != E; ++B)
O << '\"' << *B << "\", ";
O << "0};\n\n";
}
void EmitToolClassDefinition (const ToolDescription& D,
const OptionDescriptions& OptDescs,
raw_ostream& O) {
if (D.Name == "root")
return;
O << "class " << D.Name << " : public ";
if (D.isJoin())
O << "JoinTool";
else
O << "Tool";
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);
O << "};\n";
EmitStaticMemberDefinitions(D, O);
}
void EmitOptionDefinitions (const OptionDescriptions& descs,
bool HasSink, bool HasExterns,
raw_ostream& O)
{
std::vector<OptionDescription> Aliases;
for (OptionDescriptions::const_iterator B = descs.begin(),
E = descs.end(); B!=E; ++B) {
const OptionDescription& val = B->second;
if (val.Type == OptionType::Alias) {
Aliases.push_back(val);
continue;
}
if (val.isExtern())
O << "extern ";
O << val.GenTypeDeclaration() << ' '
<< val.GenVariableName();
if (val.isExtern()) {
O << ";\n";
continue;
}
O << "(\"" << val.Name << "\"\n";
if (val.Type == OptionType::Prefix || val.Type == OptionType::PrefixList)
O << ", cl::Prefix";
if (val.isRequired()) {
if (val.isList() && !val.isMultiVal())
O << ", cl::OneOrMore";
else
O << ", cl::Required";
}
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\n";
}
for (std::vector<OptionDescription>::const_iterator
B = Aliases.begin(), E = Aliases.end(); B != E; ++B) {
const OptionDescription& val = *B;
O << val.GenTypeDeclaration() << ' '
<< val.GenVariableName()
<< "(\"" << val.Name << '\"';
const OptionDescription& D = descs.FindOption(val.Help);
O << ", cl::aliasopt(" << D.GenVariableName() << ")";
O << ", cl::desc(\"" << "An alias for -" + val.Help << "\"));\n";
}
if (HasSink)
O << (HasExterns ? "extern cl" : "cl")
<< "::list<std::string> " << SinkOptionName
<< (HasExterns ? ";\n" : "(cl::Sink);\n");
O << '\n';
}
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 (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);
}
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) {
O.indent(IndentLevel) << OptDesc.GenVariableName() << ".push_back(\""
<< InitPtrToString(*B) << "\");\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);
if (d.getNumArgs() > 1)
this->onSetOptionImpl(d, IndentLevel, O);
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);
}
};
void EmitPreprocessOptions (const RecordKeeper& Records,
const OptionDescriptions& OptDecs, raw_ostream& O)
{
O << "void PreprocessOptionsLocal() {\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\n";
}
void EmitPopulateLanguageMap (const RecordKeeper& Records, raw_ostream& O)
{
O << "void PopulateLanguageMapLocal(LanguageMap& langMap) {\n";
const Record* LangMapRecord = Records.getDef("LanguageMap");
if (LangMapRecord) {
ListInit* LangsToSuffixesList = LangMapRecord->getValueAsListInit("map");
if (!LangsToSuffixesList)
throw "Error in the language map definition!";
for (unsigned i = 0; i < LangsToSuffixesList->size(); ++i) {
const Record* LangToSuffixes = LangsToSuffixesList->getElementAsRecord(i);
const std::string& Lang = LangToSuffixes->getValueAsString("lang");
const ListInit* Suffixes = LangToSuffixes->getValueAsListInit("suffixes");
for (unsigned i = 0; i < Suffixes->size(); ++i)
O.indent(Indent1) << "langMap[\""
<< InitPtrToString(Suffixes->getElement(i))
<< "\"] = \"" << Lang << "\";\n";
}
}
O << "}\n\n";
}
void IncDecWeight (const Init* i, unsigned IndentLevel,
raw_ostream& O) {
const DagInit& d = InitPtrToDag(i);
const std::string& OpName = GetOperatorName(d);
if (OpName == "inc_weight") {
O.indent(IndentLevel) << "ret += ";
}
else if (OpName == "dec_weight") {
O.indent(IndentLevel) << "ret -= ";
}
else if (OpName == "error") {
CheckNumberOfArguments(d, 1);
O.indent(IndentLevel) << "throw std::runtime_error(\""
<< InitPtrToString(d.getArg(0))
<< "\");\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";
else
O << "2;\n";
}
void EmitEdgeClass (unsigned N, const std::string& Target,
DagInit* Case, const OptionDescriptions& OptDescs,
raw_ostream& O) {
O << "class Edge" << N << ": public Edge {\n"
<< "public:\n";
O.indent(Indent1) << "Edge" << N << "() : Edge(\"" << Target
<< "\") {}\n\n";
O.indent(Indent1)
<< "unsigned Weight(const InputLanguagesSet& InLangs) const {\n";
O.indent(Indent2) << "unsigned ret = 0;\n";
EmitCaseConstructHandler(Case, Indent2, IncDecWeight, false, OptDescs, O);
O.indent(Indent2) << "return ret;\n";
O.indent(Indent1) << "}\n\n};\n\n";
}
void EmitEdgeClasses (const RecordVector& EdgeVector,
const OptionDescriptions& OptDescs,
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");
if (!IsDagEmpty(Weight))
EmitEdgeClass(i, NodeB, &Weight, OptDescs, O);
++i;
}
}
void EmitPopulateCompilationGraph (const RecordVector& EdgeVector,
const ToolDescriptions& ToolDescs,
raw_ostream& O)
{
O << "void PopulateCompilationGraphLocal(CompilationGraph& G) {\n";
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
E = ToolDescs.end(); B != E; ++B)
O.indent(Indent1) << "G.insertNode(new " << (*B)->Name << "());\n";
O << '\n';
int i = 0;
for (RecordVector::const_iterator B = EdgeVector.begin(),
E = EdgeVector.end(); B != E; ++B) {
const Record* Edge = *B;
const std::string& NodeA = Edge->getValueAsString("a");
const std::string& NodeB = Edge->getValueAsString("b");
DagInit& Weight = *Edge->getValueAsDag("weight");
O.indent(Indent1) << "G.insertEdge(\"" << NodeA << "\", ";
if (IsDagEmpty(Weight))
O << "new SimpleEdge(\"" << NodeB << "\")";
else
O << "new Edge" << i << "()";
O << ");\n";
++i;
}
O << "}\n\n";
}
struct HookInfo {
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;
class ExtractHookNames {
HookInfoMap& HookNames_;
const OptionDescriptions& OptDescs_;
public:
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_.FindOption(OptName);
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;
TokenizeCmdLine(Cmd, cmds);
for (StrVector::const_iterator B = cmds.begin(), E = cmds.end();
B != E; ++B) {
const std::string& cmd = *B;
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) {
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;
}
this->onCmdLine(InitPtrToString(Arg));
}
void operator()(const DagInit* Test, unsigned, bool) {
this->operator()(Test);
}
void operator()(const Init* Statement, unsigned) {
this->operator()(Statement);
}
};
void FillInHookNames(const ToolDescriptions& ToolDescs,
const OptionDescriptions& OptDescs,
HookInfoMap& HookNames)
{
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
E = ToolDescs.end(); B != E; ++B) {
const ToolDescription& D = *(*B);
if (D.Actions)
WalkCase(D.Actions, Id(), ExtractHookNames(HookNames, OptDescs));
if (!D.CmdLine)
continue;
if (dynamic_cast<StringInit*>(D.CmdLine))
ExtractHookNames(HookNames, OptDescs).operator()(D.CmdLine);
else
WalkCase(D.CmdLine, Id(), ExtractHookNames(HookNames, OptDescs));
}
}
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 (HookInfoMap::const_iterator B = HookNames.begin(),
E = HookNames.end(); B != E; ++B) {
const char* HookName = B->first();
const HookInfo& Info = B->second;
O.indent(Indent1) << "std::string " << HookName << "(";
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";
}
O <<");\n";
}
O << "}\n\n";
}
void EmitRegisterPlugin(int Priority, raw_ostream& O) {
O << "struct Plugin : public llvmc::BasePlugin {\n\n";
O.indent(Indent1) << "int Priority() const { return "
<< Priority << "; }\n\n";
O.indent(Indent1) << "void PreprocessOptions() const\n";
O.indent(Indent1) << "{ PreprocessOptionsLocal(); }\n\n";
O.indent(Indent1) << "void PopulateLanguageMap(LanguageMap& langMap) const\n";
O.indent(Indent1) << "{ PopulateLanguageMapLocal(langMap); }\n\n";
O.indent(Indent1)
<< "void PopulateCompilationGraph(CompilationGraph& graph) const\n";
O.indent(Indent1) << "{ PopulateCompilationGraphLocal(graph); }\n"
<< "};\n\n"
<< "static llvmc::RegisterPlugin<Plugin> RP;\n\n";
}
void EmitIncludes(raw_ostream& O) {
O << "#include \"llvm/CompilerDriver/BuiltinOptions.h\"\n"
<< "#include \"llvm/CompilerDriver/CompilationGraph.h\"\n"
<< "#include \"llvm/CompilerDriver/ForceLinkageMacros.h\"\n"
<< "#include \"llvm/CompilerDriver/Plugin.h\"\n"
<< "#include \"llvm/CompilerDriver/Tool.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"
<< "using namespace llvmc;\n\n"
<< "extern cl::opt<std::string> OutputFilename;\n\n"
<< "inline const char* checkCString(const char* s)\n"
<< "{ return s == NULL ? \"\" : s; }\n\n";
}
struct PluginData {
OptionDescriptions OptDescs;
bool HasSink;
bool HasExterns;
ToolDescriptions ToolDescs;
RecordVector Edges;
int Priority;
};
bool HasSink(const ToolDescriptions& ToolDescs) {
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
E = ToolDescs.end(); B != E; ++B)
if ((*B)->isSink())
return true;
return false;
}
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;
}
void CollectPluginData (const RecordKeeper& Records, PluginData& Data) {
const RecordVector& OptionLists =
Records.getAllDerivedDefinitions("OptionList");
CollectOptionDescriptions(OptionLists.begin(), OptionLists.end(),
Data.OptDescs);
const RecordVector& Tools = Records.getAllDerivedDefinitions("Tool");
CollectToolDescriptions(Tools.begin(), Tools.end(), Data.ToolDescs);
Data.HasSink = HasSink(Data.ToolDescs);
Data.HasExterns = HasExterns(Data.OptDescs);
const RecordVector& CompilationGraphs =
Records.getAllDerivedDefinitions("CompilationGraph");
FillInEdgeVector(CompilationGraphs.begin(), CompilationGraphs.end(),
Data.Edges);
const RecordVector& Priorities =
Records.getAllDerivedDefinitions("PluginPriority");
Data.Priority = CalculatePriority(Priorities.begin(), Priorities.end());
}
void CheckPluginData(PluginData& Data) {
FilterNotInGraph(Data.Edges, Data.ToolDescs);
TypecheckGraph(Data.Edges, Data.ToolDescs);
CheckForSuperfluousOptions(Data.Edges, Data.ToolDescs, Data.OptDescs);
}
void EmitPluginCode(const PluginData& Data, raw_ostream& O) {
EmitIncludes(O);
EmitOptionDefinitions(Data.OptDescs, Data.HasSink, Data.HasExterns, O);
EmitHookDeclarations(Data.ToolDescs, Data.OptDescs, O);
O << "namespace {\n\n";
EmitPreprocessOptions(Records, Data.OptDescs, O);
EmitPopulateLanguageMap(Records, O);
for (ToolDescriptions::const_iterator B = Data.ToolDescs.begin(),
E = Data.ToolDescs.end(); B!=E; ++B)
EmitToolClassDefinition(*(*B), Data.OptDescs, O);
EmitEdgeClasses(Data.Edges, Data.OptDescs, O);
EmitPopulateCompilationGraph(Data.Edges, Data.ToolDescs, O);
EmitRegisterPlugin(Data.Priority, O);
O << "} // End anonymous namespace.\n\n";
O << "namespace llvmc {\n";
O << "LLVMC_FORCE_LINKAGE_DECL(LLVMC_PLUGIN_NAME) {}\n";
O << "}\n";
}
}
void LLVMCConfigurationEmitter::run (raw_ostream &O) {
try {
PluginData Data;
CollectPluginData(Records, Data);
CheckPluginData(Data);
this->EmitSourceFileHeader("LLVMC Configuration Library", O);
EmitPluginCode(Data, O);
} catch (std::exception& Error) {
throw Error.what() + std::string(" - usually this means a syntax error.");
}
}