-//===- LLVMCConfigurationEmitter.cpp - Generate LLVMC config --------------===//
+//===- LLVMCConfigurationEmitter.cpp - Generate LLVMC config ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
#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/Support/Streams.h"
-
+#include "llvm/ADT/StringSet.h"
#include <algorithm>
#include <cassert>
#include <functional>
+#include <stdexcept>
#include <string>
+#include <typeinfo>
using namespace llvm;
//===----------------------------------------------------------------------===//
/// Constants
-// Indentation strings.
-const char * Indent1 = " ";
-const char * Indent2 = " ";
-const char * Indent3 = " ";
-const char * Indent4 = " ";
+// Indentation.
+const unsigned TabWidth = 4;
+const unsigned Indent1 = TabWidth*1;
+const unsigned Indent2 = TabWidth*2;
+const unsigned Indent3 = TabWidth*3;
// 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 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();
}
-int InitPtrToInt(const Init* ptr) {
- const IntInit& val = dynamic_cast<const IntInit&>(*ptr);
- return val.getValue();
+const ListInit& InitPtrToList(const Init* ptr) {
+ const ListInit& val = dynamic_cast<const ListInit&>(*ptr);
+ return val;
}
-const DagInit& InitPtrToDagInitRef(const Init* ptr) {
+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();
+}
+
// 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!";
+// 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";
+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 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;
+}
+
+/// 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
-// A command-line option can have one of the following types:
-//
-// Switch - a simple switch w/o arguments, e.g. -O2
-//
-// Parameter - an option that takes one(and only one) argument, e.g. -o file,
-// --output=file
-//
-// ParameterList - same as Parameter, but more than one occurence
-// of the option is allowed, e.g. -lm -lpthread
-//
-// Prefix - argument is everything after the prefix,
-// e.g. -Wa,-foo,-bar, -DNAME=VALUE
-//
-// PrefixList - same as Prefix, but more than one option occurence is
-// allowed
+/// OptionType - One of six different option types. See the
+/// documentation for detailed description of differences.
namespace OptionType {
- enum OptionType { Switch, Parameter, ParameterList, Prefix, PrefixList};
+
+ 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);
+ }
+
}
-bool IsListOptionType (OptionType::OptionType t) {
- return (t == OptionType::ParameterList || t == OptionType::PrefixList);
+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 + '!';
}
-// Code duplication here is necessary because one option can affect
-// several tools and those tools may have different actions associated
-// with this option. GlobalOptionDescriptions are used to generate
-// the option registration code, while ToolOptionDescriptions are used
-// to generate tool-specific code.
+namespace OptionDescriptionFlags {
+ enum OptionDescriptionFlags { Required = 0x1, Hidden = 0x2,
+ ReallyHidden = 0x4, Extern = 0x8,
+ OneOrMore = 0x10, Optional = 0x20,
+ CommaSeparated = 0x40 };
+}
-/// OptionDescription - Base class for option descriptions.
+/// OptionDescription - Represents data contained in a single
+/// OptionList entry.
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 = "")
- : Type(t), Name(n)
+ 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 {
- switch (Type) {
- 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>";
- }
- }
+ /// GenTypeDeclaration - Returns the C++ variable type of this
+ /// option.
+ const char* GenTypeDeclaration() const;
- // Escape commas and other symbols not allowed in the C++ variable
- // names. Makes it possible to use options with names like "Wa,"
- // (useful for prefix options).
- std::string EscapeVariableName(const std::string& Var) const {
- std::string ret;
- for (unsigned i = 0; i != Var.size(); ++i) {
- if (Var[i] == ',') {
- ret += "_comma_";
- }
- else {
- ret.push_back(Var[i]);
- }
- }
- return ret;
- }
-
- std::string GenVariableName() const {
- const std::string& EscapedName = EscapeVariableName(Name);
- switch (Type) {
- case OptionType::Switch:
- return "AutoGeneratedSwitch" + EscapedName;
- case OptionType::Prefix:
- return "AutoGeneratedPrefix" + EscapedName;
- case OptionType::PrefixList:
- return "AutoGeneratedPrefixList" + EscapedName;
- case OptionType::Parameter:
- return "AutoGeneratedParameter" + EscapedName;
- case OptionType::ParameterList:
- default:
- return "AutoGeneratedParameterList" + EscapedName;
- }
- }
+ /// GenVariableName - Returns the variable name used in the
+ /// generated C++ code.
+ std::string GenVariableName() const;
+
+ /// Merge - Merge two option descriptions.
+ void Merge (const OptionDescription& other);
+
+ // Misc convenient getters/setters.
+
+ bool isAlias() const;
+
+ bool isMultiVal() const;
+
+ bool isCommaSeparated() const;
+ void setCommaSeparated();
+
+ bool isExtern() const;
+ void setExtern();
+
+ bool isRequired() const;
+ void setRequired();
+
+ bool isOneOrMore() const;
+ void setOneOrMore();
+
+ 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); }
};
-// Global option description.
+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";
+ }
-namespace GlobalOptionDescriptionFlags {
- enum GlobalOptionDescriptionFlags { Required = 0x1 };
+ Flags |= other.Flags;
}
-struct GlobalOptionDescription : public OptionDescription {
- std::string Help;
- unsigned Flags;
+bool OptionDescription::isAlias() const {
+ return OptionType::IsAlias(this->Type);
+}
- // We need to provide a default constructor because
- // StringMap can only store DefaultConstructible objects.
- GlobalOptionDescription() : OptionDescription(), Flags(0)
- {}
+bool OptionDescription::isMultiVal() const {
+ return MultiVal > 1;
+}
- GlobalOptionDescription (OptionType::OptionType t, const std::string& n)
- : OptionDescription(t, n), Help(DefaultHelpString), Flags(0)
- {}
+bool OptionDescription::isCommaSeparated() const {
+ return Flags & OptionDescriptionFlags::CommaSeparated;
+}
+void OptionDescription::setCommaSeparated() {
+ Flags |= OptionDescriptionFlags::CommaSeparated;
+}
- bool isRequired() const {
- return Flags & GlobalOptionDescriptionFlags::Required;
- }
- void setRequired() {
- Flags |= GlobalOptionDescriptionFlags::Required;
- }
+bool OptionDescription::isExtern() const {
+ return Flags & OptionDescriptionFlags::Extern;
+}
+void OptionDescription::setExtern() {
+ Flags |= OptionDescriptionFlags::Extern;
+}
- /// Merge - Merge two option descriptions.
- void Merge (const GlobalOptionDescription& other)
- {
- if (other.Type != Type)
- throw "Conflicting definitions for the option " + Name + "!";
-
- if (Help == DefaultHelpString)
- Help = other.Help;
- else if (other.Help != DefaultHelpString) {
- llvm::cerr << "Warning: more than one help string defined for option "
- + Name + "\n";
- }
+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::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>";
+ }
+}
- Flags |= other.Flags;
+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;
}
-};
+}
-/// GlobalOptionDescriptions - A GlobalOptionDescription array
-/// together with some flags affecting generation of option
-/// declarations.
-struct GlobalOptionDescriptions {
- typedef StringMap<GlobalOptionDescription> container_type;
- typedef container_type::const_iterator const_iterator;
+/// OptionDescriptions - An OptionDescription array plus some helper
+/// functions.
+class OptionDescriptions {
+ typedef StringMap<OptionDescription> container_type;
- /// Descriptions - A list of GlobalOptionDescriptions.
+ /// Descriptions - A list of OptionDescriptions.
container_type Descriptions;
- /// HasSink - Should the emitter generate a "cl::sink" option?
- bool HasSink;
- const GlobalOptionDescription& 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!";
- }
+public:
+ /// 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&
+ FindListOrParameter(const std::string& OptName) const;
+
+ /// insertDescription - Insert new OptionDescription into
+ /// OptionDescriptions list
+ void InsertDescription (const OptionDescription& o);
// Support for STL-style iteration
+ typedef container_type::const_iterator const_iterator;
const_iterator begin() const { return Descriptions.begin(); }
const_iterator end() const { return Descriptions.end(); }
};
-
-// Tool-local option description.
-
-// Properties without arguments are implemented as flags.
-namespace ToolOptionDescriptionFlags {
- enum ToolOptionDescriptionFlags { StopCompilation = 0x1,
- Forward = 0x2, UnpackValues = 0x4};
-}
-namespace OptionPropertyType {
- enum OptionPropertyType { AppendCmd };
+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!";
}
-typedef std::pair<OptionPropertyType::OptionPropertyType, std::string>
-OptionProperty;
-typedef SmallVector<OptionProperty, 4> OptionPropertyList;
-
-struct ToolOptionDescription : public OptionDescription {
- unsigned Flags;
- OptionPropertyList Props;
+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;
+}
- // StringMap can only store DefaultConstructible objects
- ToolOptionDescription() : OptionDescription(), Flags(0) {}
+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;
+}
- ToolOptionDescription (OptionType::OptionType t, const std::string& n)
- : OptionDescription(t, n)
- {}
+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;
+}
- // Various boolean properties
- bool isStopCompilation() const {
- return Flags & ToolOptionDescriptionFlags::StopCompilation;
- }
- void setStopCompilation() {
- Flags |= ToolOptionDescriptionFlags::StopCompilation;
- }
+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;
+}
- bool isForward() const {
- return Flags & ToolOptionDescriptionFlags::Forward;
+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);
}
- void setForward() {
- Flags |= ToolOptionDescriptionFlags::Forward;
+ else {
+ Descriptions[o.Name] = o;
}
+}
- bool isUnpackValues() const {
- return Flags & ToolOptionDescriptionFlags::UnpackValues;
- }
- void setUnpackValues() {
- Flags |= ToolOptionDescriptionFlags::UnpackValues;
- }
+/// HandlerTable - A base class for function objects implemented as
+/// 'tables of handlers'.
+template <typename Handler>
+class HandlerTable {
+protected:
+ // Implementation details.
- void AddProperty (OptionPropertyType::OptionPropertyType t,
- const std::string& val)
- {
- Props.push_back(std::make_pair(t, val));
- }
-};
+ /// HandlerMap - A map from property names to property handlers
+ typedef StringMap<Handler> HandlerMap;
-typedef StringMap<ToolOptionDescription> ToolOptionDescriptions;
+ static HandlerMap Handlers_;
+ static bool staticMembersInitialized_;
-// Tool information record
+public:
-namespace ToolFlags {
- enum ToolFlags { Join = 0x1, Sink = 0x2 };
-}
+ Handler GetHandler (const std::string& HandlerName) const {
+ typename HandlerMap::iterator method = Handlers_.find(HandlerName);
-struct ToolProperties : public RefCountedBase<ToolProperties> {
- std::string Name;
- Init* CmdLine;
- std::string InLanguage;
- std::string OutLanguage;
- std::string OutputSuffix;
- unsigned Flags;
- ToolOptionDescriptions OptDescs;
+ if (method != Handlers_.end()) {
+ Handler h = method->second;
+ return h;
+ }
+ else {
+ throw "No handler found for property " + HandlerName + "!";
+ }
+ }
- // Various boolean properties
- void setSink() { Flags |= ToolFlags::Sink; }
- bool isSink() const { return Flags & ToolFlags::Sink; }
- void setJoin() { Flags |= ToolFlags::Join; }
- bool isJoin() const { return Flags & ToolFlags::Join; }
+ void AddHandler(const char* Property, Handler H) {
+ Handlers_[Property] = H;
+ }
- // Default ctor here is needed because StringMap can only store
- // DefaultConstructible objects
- ToolProperties() : Flags(0) {}
- ToolProperties (const std::string& n) : Name(n), Flags(0) {}
};
+template <class Handler, class FunctionObject>
+Handler GetHandler(FunctionObject* Obj, const DagInit& Dag) {
+ const std::string& HandlerName = GetOperatorName(Dag);
+ return Obj->GetHandler(HandlerName);
+}
-/// ToolPropertiesList - A list of Tool information records
-/// IntrusiveRefCntPtrs are used here because StringMap has no copy
-/// constructor (and we want to avoid copying ToolProperties anyway).
-typedef std::vector<IntrusiveRefCntPtr<ToolProperties> > ToolPropertiesList;
+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);
-/// CollectProperties - Function object for iterating over a list of
-/// tool property records.
-class CollectProperties {
-private:
+ ((Obj)->*(h))(Dag);
+}
- /// Implementation details
+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;
- /// PropertyHandler - a function that extracts information
- /// about a given tool property from its DAG representation
- typedef void (CollectProperties::*PropertyHandler)(const DagInit*);
+ const DagInit& Dag = InitPtrToDag(I);
+ Handler h = GetHandler<Handler>(Obj, Dag);
- /// PropertyHandlerMap - A map from property names to property
- /// handlers.
- typedef StringMap<PropertyHandler> PropertyHandlerMap;
+ ((Obj)->*(h))(Dag, IndentLevel, O);
+}
- /// OptionPropertyHandler - a function that extracts information
- /// about a given option property from its DAG representation.
- typedef void (CollectProperties::* OptionPropertyHandler)
- (const DagInit*, GlobalOptionDescription &);
- /// OptionPropertyHandlerMap - A map from option property names to
- /// option property handlers
- typedef StringMap<OptionPropertyHandler> OptionPropertyHandlerMap;
+template <typename H>
+typename HandlerTable<H>::HandlerMap HandlerTable<H>::Handlers_;
- // Static maps from strings to CollectProperties methods("handlers")
- static PropertyHandlerMap propertyHandlers_;
- static OptionPropertyHandlerMap optionPropertyHandlers_;
- static bool staticMembersInitialized_;
+template <typename H>
+bool HandlerTable<H>::staticMembersInitialized_ = false;
- /// This is where the information is stored
+/// CollectOptionProperties - Function object for iterating over an
+/// option property list.
+class CollectOptionProperties;
+typedef void (CollectOptionProperties::* CollectOptionPropertiesHandler)
+(const DagInit&);
- /// toolProps_ - Properties of the current Tool.
- ToolProperties& toolProps_;
- /// optDescs_ - OptionDescriptions table (used to register options
- /// globally).
- GlobalOptionDescriptions& optDescs_;
+class CollectOptionProperties
+: public HandlerTable<CollectOptionPropertiesHandler>
+{
+private:
+
+ /// optDescs_ - OptionDescriptions table. This is where the
+ /// information is stored.
+ OptionDescription& optDesc_;
public:
- explicit CollectProperties (ToolProperties& p, GlobalOptionDescriptions& d)
- : toolProps_(p), optDescs_(d)
+ explicit CollectOptionProperties(OptionDescription& OD)
+ : optDesc_(OD)
{
if (!staticMembersInitialized_) {
- // Init tool property handlers
- propertyHandlers_["cmd_line"] = &CollectProperties::onCmdLine;
- propertyHandlers_["in_language"] = &CollectProperties::onInLanguage;
- propertyHandlers_["join"] = &CollectProperties::onJoin;
- propertyHandlers_["out_language"] = &CollectProperties::onOutLanguage;
- propertyHandlers_["output_suffix"] = &CollectProperties::onOutputSuffix;
- propertyHandlers_["parameter_option"]
- = &CollectProperties::onParameter;
- propertyHandlers_["parameter_list_option"] =
- &CollectProperties::onParameterList;
- propertyHandlers_["prefix_option"] = &CollectProperties::onPrefix;
- propertyHandlers_["prefix_list_option"] =
- &CollectProperties::onPrefixList;
- propertyHandlers_["sink"] = &CollectProperties::onSink;
- propertyHandlers_["switch_option"] = &CollectProperties::onSwitch;
-
- // Init option property handlers
- optionPropertyHandlers_["append_cmd"] = &CollectProperties::onAppendCmd;
- optionPropertyHandlers_["forward"] = &CollectProperties::onForward;
- optionPropertyHandlers_["help"] = &CollectProperties::onHelp;
- optionPropertyHandlers_["required"] = &CollectProperties::onRequired;
- optionPropertyHandlers_["stop_compilation"] =
- &CollectProperties::onStopCompilation;
- optionPropertyHandlers_["unpack_values"] =
- &CollectProperties::onUnpackValues;
+ 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("really_hidden", &CollectOptionProperties::onReallyHidden);
+ AddHandler("required", &CollectOptionProperties::onRequired);
+ AddHandler("optional", &CollectOptionProperties::onOptional);
+ AddHandler("comma_separated", &CollectOptionProperties::onCommaSeparated);
staticMembersInitialized_ = true;
}
}
- /// operator() - Gets called for every tool property; Just forwards
- /// to the corresponding property handler.
- void operator() (Init* i) {
- const DagInit& d = InitPtrToDagInitRef(i);
- const std::string& property_name = d.getOperator()->getAsString();
- PropertyHandlerMap::iterator method
- = propertyHandlers_.find(property_name);
-
- if (method != propertyHandlers_.end()) {
- PropertyHandler h = method->second;
- (this->*h)(&d);
- }
- else {
- throw "Unknown tool property: " + property_name + "!";
- }
+ /// operator() - Just forwards to the corresponding property
+ /// handler.
+ void operator() (Init* I) {
+ InvokeDagInitHandler(this, I);
}
private:
- /// Property handlers --
- /// Functions that extract information about tool properties from
- /// DAG representation.
+ /// Option property handlers --
+ /// Methods that handle option properties such as (help) or (hidden).
- void onCmdLine (const DagInit* d) {
- checkNumberOfArguments(d, 1);
- toolProps_.CmdLine = d->getArg(0);
+ void onExtern (const DagInit& d) {
+ checkNumberOfArguments(d, 0);
+ optDesc_.setExtern();
}
- void onInLanguage (const DagInit* d) {
+ void onHelp (const DagInit& d) {
checkNumberOfArguments(d, 1);
- toolProps_.InLanguage = InitPtrToString(d->getArg(0));
+ optDesc_.Help = InitPtrToString(d.getArg(0));
}
- void onJoin (const DagInit* d) {
+ void onHidden (const DagInit& d) {
checkNumberOfArguments(d, 0);
- toolProps_.setJoin();
- }
-
- void onOutLanguage (const DagInit* d) {
- checkNumberOfArguments(d, 1);
- toolProps_.OutLanguage = InitPtrToString(d->getArg(0));
+ optDesc_.setHidden();
}
- void onOutputSuffix (const DagInit* d) {
- checkNumberOfArguments(d, 1);
- toolProps_.OutputSuffix = InitPtrToString(d->getArg(0));
+ void onReallyHidden (const DagInit& d) {
+ checkNumberOfArguments(d, 0);
+ optDesc_.setReallyHidden();
}
- void onSink (const DagInit* d) {
+ void onCommaSeparated (const DagInit& d) {
checkNumberOfArguments(d, 0);
- optDescs_.HasSink = true;
- toolProps_.setSink();
+ if (!optDesc_.isList())
+ throw "'comma_separated' is valid only on list options!";
+ optDesc_.setCommaSeparated();
}
- void onSwitch (const DagInit* d) {
- addOption(d, OptionType::Switch);
+ void onRequired (const DagInit& d) {
+ checkNumberOfArguments(d, 0);
+ if (optDesc_.isOneOrMore() || optDesc_.isOptional())
+ throw "Only one of (required), (optional) or "
+ "(one_or_more) properties is allowed!";
+ optDesc_.setRequired();
}
- void onParameter (const DagInit* d) {
- addOption(d, OptionType::Parameter);
- }
+ void onInit (const DagInit& d) {
+ checkNumberOfArguments(d, 1);
+ Init* i = d.getArg(0);
+ const std::string& str = i->getAsString();
- void onParameterList (const DagInit* d) {
- addOption(d, OptionType::ParameterList);
- }
+ bool correct = optDesc_.isParameter() && dynamic_cast<StringInit*>(i);
+ correct |= (optDesc_.isSwitch() && (str == "true" || str == "false"));
- void onPrefix (const DagInit* d) {
- addOption(d, OptionType::Prefix);
- }
+ if (!correct)
+ throw "Incorrect usage of the 'init' option property!";
- void onPrefixList (const DagInit* d) {
- addOption(d, OptionType::PrefixList);
+ optDesc_.InitVal = i;
}
- /// Option property handlers --
- /// Methods that handle properties that are common for all types of
- /// options (like append_cmd, stop_compilation)
-
- void onAppendCmd (const DagInit* d, GlobalOptionDescription& o) {
- checkNumberOfArguments(d, 1);
- std::string const& cmd = InitPtrToString(d->getArg(0));
-
- toolProps_.OptDescs[o.Name].AddProperty(OptionPropertyType::AppendCmd, cmd);
+ void onOneOrMore (const DagInit& d) {
+ checkNumberOfArguments(d, 0);
+ if (optDesc_.isRequired() || optDesc_.isOptional())
+ throw "Only one of (required), (optional) or "
+ "(one_or_more) properties is allowed!";
+ if (!OptionType::IsList(optDesc_.Type))
+ llvm::errs() << "Warning: specifying the 'one_or_more' property "
+ "on a non-list option will have no effect.\n";
+ optDesc_.setOneOrMore();
}
- void onForward (const DagInit* d, GlobalOptionDescription& o) {
+ void onOptional (const DagInit& d) {
checkNumberOfArguments(d, 0);
- toolProps_.OptDescs[o.Name].setForward();
+ if (optDesc_.isRequired() || optDesc_.isOneOrMore())
+ throw "Only one of (required), (optional) or "
+ "(one_or_more) properties is allowed!";
+ if (!OptionType::IsList(optDesc_.Type))
+ llvm::errs() << "Warning: specifying the 'optional' property"
+ "on a non-list option will have no effect.\n";
+ optDesc_.setOptional();
}
- void onHelp (const DagInit* d, GlobalOptionDescription& o) {
+ void onMultiVal (const DagInit& d) {
checkNumberOfArguments(d, 1);
- const std::string& help_message = InitPtrToString(d->getArg(0));
-
- o.Help = help_message;
+ 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;
}
- void onRequired (const DagInit* d, GlobalOptionDescription& o) {
- checkNumberOfArguments(d, 0);
- o.setRequired();
- }
+};
- void onStopCompilation (const DagInit* d, GlobalOptionDescription& o) {
- checkNumberOfArguments(d, 0);
- if (o.Type != OptionType::Switch)
- throw std::string("Only options of type Switch can stop compilation!");
- toolProps_.OptDescs[o.Name].setStopCompilation();
- }
+/// AddOption - A function object that is applied to every option
+/// description. Used by CollectOptionDescriptions.
+class AddOption {
+private:
+ OptionDescriptions& OptDescs_;
- void onUnpackValues (const DagInit* d, GlobalOptionDescription& o) {
- checkNumberOfArguments(d, 0);
- toolProps_.OptDescs[o.Name].setUnpackValues();
- }
+public:
+ explicit AddOption(OptionDescriptions& OD) : OptDescs_(OD)
+ {}
+
+ void operator()(const Init* i) {
+ const DagInit& d = InitPtrToDag(i);
+ checkNumberOfArguments(d, 1);
- /// Helper functions
+ const OptionType::OptionType Type =
+ stringToOptionType(GetOperatorName(d));
+ const std::string& Name = InitPtrToString(d.getArg(0));
- // Add an option of type t
- void addOption (const DagInit* d, OptionType::OptionType t) {
- checkNumberOfArguments(d, 2);
- const std::string& name = InitPtrToString(d->getArg(0));
+ OptionDescription OD(Type, Name);
- GlobalOptionDescription o(t, name);
- toolProps_.OptDescs[name].Type = t;
- toolProps_.OptDescs[name].Name = name;
- processOptionProperties(d, o);
- insertDescription(o);
- }
+ if (!OD.isExtern())
+ checkNumberOfArguments(d, 2);
- // Insert new GlobalOptionDescription into GlobalOptionDescriptions list
- void insertDescription (const GlobalOptionDescription& o)
- {
- if (optDescs_.Descriptions.count(o.Name)) {
- GlobalOptionDescription& D = optDescs_.Descriptions[o.Name];
- D.Merge(o);
+ if (OD.isAlias()) {
+ // Aliases store the aliased option name in the 'Help' field.
+ OD.Help = InitPtrToString(d.getArg(1));
}
- else {
- optDescs_.Descriptions[o.Name] = o;
+ else if (!OD.isExtern()) {
+ processOptionProperties(d, OD);
}
+ OptDescs_.InsertDescription(OD);
}
+private:
/// processOptionProperties - Go through the list of option
/// properties and call a corresponding handler for each.
- ///
- /// Parameters:
- /// name - option name
- /// d - option property list
- void processOptionProperties (const DagInit* d, GlobalOptionDescription& o) {
- // First argument is option name
+ static void processOptionProperties (const DagInit& d, OptionDescription& o) {
checkNumberOfArguments(d, 2);
-
- for (unsigned B = 1, E = d->getNumArgs(); B!=E; ++B) {
- const DagInit& option_property
- = InitPtrToDagInitRef(d->getArg(B));
- const std::string& option_property_name
- = option_property.getOperator()->getAsString();
- OptionPropertyHandlerMap::iterator method
- = optionPropertyHandlers_.find(option_property_name);
-
- if (method != optionPropertyHandlers_.end()) {
- OptionPropertyHandler h = method->second;
- (this->*h)(&option_property, o);
- }
- else {
- throw "Unknown option property: " + option_property_name + "!";
- }
- }
+ 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));
}
-};
-
-// Static members of CollectProperties
-CollectProperties::PropertyHandlerMap
-CollectProperties::propertyHandlers_;
-
-CollectProperties::OptionPropertyHandlerMap
-CollectProperties::optionPropertyHandlers_;
-
-bool CollectProperties::staticMembersInitialized_ = false;
+};
-/// CollectToolProperties - Gather information from the parsed
-/// TableGen data (basically a wrapper for the CollectProperties
-/// function object).
-void CollectToolProperties (RecordVector::const_iterator B,
- RecordVector::const_iterator E,
- ToolPropertiesList& TPList,
- GlobalOptionDescriptions& OptDescs)
+/// CollectOptionDescriptions - Collects option properties from all
+/// OptionLists.
+void CollectOptionDescriptions (RecordVector::const_iterator B,
+ RecordVector::const_iterator E,
+ OptionDescriptions& OptDescs)
{
- // Iterate over a properties list of every Tool definition
- for (;B!=E;++B) {
+ // For every OptionList:
+ for (; B!=E; ++B) {
RecordVector::value_type T = *B;
- ListInit* PropList = T->getValueAsListInit("properties");
-
- IntrusiveRefCntPtr<ToolProperties>
- ToolProps(new ToolProperties(T->getName()));
+ // Throws an exception if the value does not exist.
+ ListInit* PropList = T->getValueAsListInit("options");
- std::for_each(PropList->begin(), PropList->end(),
- CollectProperties(*ToolProps, OptDescs));
- TPList.push_back(ToolProps);
+ // For every option description in this list:
+ // collect the information and
+ std::for_each(PropList->begin(), PropList->end(), AddOption(OptDescs));
}
}
-/// EmitCaseTest1Arg - Helper function used by
-/// EmitCaseConstructHandler.
-bool EmitCaseTest1Arg(const std::string& TestName,
- const DagInit& d,
- const GlobalOptionDescriptions& OptDescs,
- std::ostream& O) {
- checkNumberOfArguments(&d, 1);
- const std::string& OptName = InitPtrToString(d.getArg(0));
- if (TestName == "switch_on") {
- const GlobalOptionDescription& OptDesc = OptDescs.FindOption(OptName);
- if (OptDesc.Type != OptionType::Switch)
- throw OptName + ": incorrect option type!";
- O << OptDesc.GenVariableName();
- return true;
- } else if (TestName == "input_languages_contain") {
- O << "InLangs.count(\"" << OptName << "\") != 0";
- return true;
- }
+// Tool information record
- return false;
+namespace ToolFlags {
+ enum ToolFlags { Join = 0x1, Sink = 0x2 };
}
-/// EmitCaseTest2Args - Helper function used by
-/// EmitCaseConstructHandler.
+struct ToolDescription : public RefCountedBase<ToolDescription> {
+ std::string Name;
+ Init* CmdLine;
+ Init* Actions;
+ StrVector InLanguage;
+ std::string OutLanguage;
+ std::string OutputSuffix;
+ unsigned Flags;
+
+ // Various boolean properties
+ void setSink() { Flags |= ToolFlags::Sink; }
+ bool isSink() const { return Flags & ToolFlags::Sink; }
+ void setJoin() { Flags |= ToolFlags::Join; }
+ bool isJoin() const { return Flags & ToolFlags::Join; }
+
+ // Default ctor here is needed because StringMap can only store
+ // DefaultConstructible objects
+ ToolDescription() : CmdLine(0), Actions(0), Flags(0) {}
+ ToolDescription (const std::string& n)
+ : Name(n), CmdLine(0), Actions(0), Flags(0)
+ {}
+};
+
+/// ToolDescriptions - A list of Tool information records.
+typedef std::vector<IntrusiveRefCntPtr<ToolDescription> > ToolDescriptions;
+
+
+/// CollectToolProperties - Function object for iterating over a list of
+/// tool property records.
+
+class CollectToolProperties;
+typedef void (CollectToolProperties::* CollectToolPropertiesHandler)
+(const DagInit&);
+
+class CollectToolProperties : public HandlerTable<CollectToolPropertiesHandler>
+{
+private:
+
+ /// toolDesc_ - Properties of the current Tool. This is where the
+ /// information is stored.
+ ToolDescription& toolDesc_;
+
+public:
+
+ explicit CollectToolProperties (ToolDescription& d)
+ : toolDesc_(d)
+ {
+ if (!staticMembersInitialized_) {
+
+ AddHandler("actions", &CollectToolProperties::onActions);
+ AddHandler("cmd_line", &CollectToolProperties::onCmdLine);
+ AddHandler("in_language", &CollectToolProperties::onInLanguage);
+ AddHandler("join", &CollectToolProperties::onJoin);
+ AddHandler("out_language", &CollectToolProperties::onOutLanguage);
+ AddHandler("output_suffix", &CollectToolProperties::onOutputSuffix);
+ AddHandler("sink", &CollectToolProperties::onSink);
+
+ 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);
+ 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 onCmdLine (const DagInit& d) {
+ checkNumberOfArguments(d, 1);
+ toolDesc_.CmdLine = 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)) {
+ // It's a string.
+ toolDesc_.InLanguage.push_back(InitPtrToString(arg));
+ }
+ else {
+ // It's a list.
+ const ListInit& lst = InitPtrToList(arg);
+ StrVector& out = toolDesc_.InLanguage;
+
+ // Copy strings to the output vector.
+ for (ListInit::const_iterator B = lst.begin(), E = lst.end();
+ B != E; ++B) {
+ out.push_back(InitPtrToString(*B));
+ }
+
+ // Remove duplicates.
+ 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 onOutputSuffix (const DagInit& d) {
+ checkNumberOfArguments(d, 1);
+ toolDesc_.OutputSuffix = InitPtrToString(d.getArg(0));
+ }
+
+ void onSink (const DagInit& d) {
+ checkNumberOfArguments(d, 0);
+ toolDesc_.setSink();
+ }
+
+};
+
+/// CollectToolDescriptions - Gather information about tool properties
+/// from the parsed TableGen data (basically a wrapper for the
+/// CollectToolProperties function object).
+void CollectToolDescriptions (RecordVector::const_iterator B,
+ RecordVector::const_iterator E,
+ ToolDescriptions& ToolDescs)
+{
+ // Iterate over a properties list of every Tool definition
+ for (;B!=E;++B) {
+ const Record* T = *B;
+ // Throws an exception if the value does not exist.
+ 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);
+ }
+}
+
+/// FillInEdgeVector - Merge all compilation graph definitions into
+/// one single edge list.
+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));
+ }
+}
+
+/// CalculatePriority - Calculate the priority of this plugin.
+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;
+}
+
+/// NotInGraph - Helper function object for FilterNotInGraph.
+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);
+ }
+};
+
+/// FilterNotInGraph - Filter out from ToolDescs all Tools not
+/// mentioned in the compilation graph definition.
+void FilterNotInGraph (const RecordVector& EdgeVector,
+ ToolDescriptions& ToolDescs) {
+
+ // List all tools mentioned in the graph.
+ 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);
+ }
+
+ // Filter ToolPropertiesList.
+ ToolDescriptions::iterator new_end =
+ std::remove_if(ToolDescs.begin(), ToolDescs.end(),
+ NotInGraph(ToolsInGraph));
+ ToolDescs.erase(new_end, ToolDescs.end());
+}
+
+/// FillInToolToLang - Fills in two tables that map tool names to
+/// (input, output) languages. Helper function used by TypecheckGraph().
+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;
+ }
+}
+
+/// TypecheckGraph - Check that names for output and input languages
+/// on all edges do match. This doesn't do much when the information
+/// about the whole graph is not available (i.e. when compiling most
+/// plugins).
+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!";
+ }
+}
+
+/// 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 (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(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)
+ {
+ // 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
+ {
+ 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;
+ }
+}
+
+/// ExtractOptionNames - A helper function object used by
+/// CheckForSuperfluousOptions() to walk the 'case' DAG.
+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 == "parameter_equals" ||
+ ActionName == "element_in_list" || ActionName == "not_empty" ||
+ ActionName == "empty") {
+ checkNumberOfArguments(Stmt, 1);
+ const std::string& Name = InitPtrToString(Stmt.getArg(0));
+ OptionNames_.insert(Name);
+ }
+ else if (ActionName == "and" || ActionName == "or") {
+ 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);
+ }
+};
+
+/// CheckForSuperfluousOptions - Check that there are no side
+/// effect-free options (specified only in the OptionList). Otherwise,
+/// output a warning.
+void CheckForSuperfluousOptions (const RecordVector& Edges,
+ const ToolDescriptions& ToolDescs,
+ const OptionDescriptions& OptDescs) {
+ llvm::StringSet<> nonSuperfluousOptions;
+
+ // Add all options mentioned in the ToolDesc.Actions to the set of
+ // non-superfluous options.
+ 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);
+ }
+
+ // Add all options mentioned in the 'case' clauses of the
+ // OptionalEdges of the compilation graph to the set of
+ // non-superfluous options.
+ 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());
+ }
+
+ // Check that all options in OptDescs belong to the set of
+ // non-superfluous options.
+ 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";
+ }
+}
+
+/// 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 << " || ";
+ 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 = *static_cast<ListInit*>(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") {
+ 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") {
+ // 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" || TestName == "empty") {
+ bool EmitNegate = (TestName == "not_empty");
+ apply(EmitEmptyTest(EmitNegate, OptDescs), OptName, O);
+ return true;
+ }
+
+ return false;
+}
+
+/// 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,
- const GlobalOptionDescriptions& OptDescs,
- std::ostream& O) {
- checkNumberOfArguments(&d, 2);
+ 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));
- const GlobalOptionDescription& OptDesc = OptDescs.FindOption(OptName);
if (TestName == "parameter_equals") {
- if (OptDesc.Type != OptionType::Parameter
- && OptDesc.Type != OptionType::Prefix)
- throw OptName + ": incorrect option type!";
+ const OptionDescription& OptDesc = OptDescs.FindParameter(OptName);
O << OptDesc.GenVariableName() << " == \"" << OptArg << "\"";
return true;
}
else if (TestName == "element_in_list") {
- if (OptDesc.Type != OptionType::ParameterList
- && OptDesc.Type != OptionType::PrefixList)
- throw OptName + ": incorrect option type!";
+ const OptionDescription& OptDesc = OptDescs.FindList(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,
- const GlobalOptionDescriptions& OptDescs,
- std::ostream& O);
+void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
+ const OptionDescriptions& OptDescs,
+ raw_ostream& O);
/// EmitLogicalOperationTest - Helper function used by
/// EmitCaseConstructHandler.
void EmitLogicalOperationTest(const DagInit& d, const char* LogicOp,
- const char* IndentLevel,
- const GlobalOptionDescriptions& OptDescs,
- std::ostream& O) {
+ unsigned IndentLevel,
+ const OptionDescriptions& OptDescs,
+ raw_ostream& O) {
O << '(';
for (unsigned j = 0, NumArgs = d.getNumArgs(); j < NumArgs; ++j) {
- const DagInit& InnerTest = InitPtrToDagInitRef(d.getArg(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,
- const GlobalOptionDescriptions& OptDescs,
- std::ostream& O) {
- const std::string& TestName = d.getOperator()->getAsString();
+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))
throw TestName + ": unknown edge property!";
}
-// 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>
+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(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 DagInit* d, const char* IndentLevel,
- const F& Callback,
- const GlobalOptionDescriptions& OptDescs,
- std::ostream& O) {
- assert(d->getOperator()->getAsString() == "case");
-
- for (unsigned i = 0, numArgs = d->getNumArgs(); i != numArgs; ++i) {
- const DagInit& Test = InitPtrToDagInitRef(d->getArg(i));
-
- 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";
+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);
+}
+
+/// 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;
+
+ 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 == '$') {
+ cur_st = SpecialCommand;
+ break;
+ }
+ if (oneOf(Delimiters, cur_ch)) {
+ // Skip whitespace
+ B = CmdLine.find_first_not_of(Delimiters, B);
+ if (B == std::string::npos) {
+ B = E-1;
+ continue;
+ }
+ --B;
+ Out.push_back("");
+ continue;
+ }
+ break;
+
+
+ case SpecialCommand:
+ if (oneOf(Delimiters, cur_ch)) {
+ cur_st = Normal;
+ Out.push_back("");
+ continue;
+ }
+ if (cur_ch == '(') {
+ Out.push_back("");
+ cur_st = InsideSpecialCommand;
+ continue;
+ }
+ break;
+
+ case InsideSpecialCommand:
+ if (oneOf(Delimiters, cur_ch)) {
+ continue;
+ }
+ if (cur_ch == '\'') {
+ cur_st = InsideQuotationMarks;
+ Out.push_back("");
+ continue;
+ }
+ if (cur_ch == ')') {
+ cur_st = Normal;
+ Out.push_back("");
+ }
+ if (cur_ch == ',') {
+ continue;
+ }
+
+ break;
+
+ case InsideQuotationMarks:
+ if (cur_ch == '\'') {
+ cur_st = InsideSpecialCommand;
+ continue;
+ }
+ break;
+ }
+
+ Out.back().push_back(cur_ch);
+ }
+}
+
+/// SubstituteCall - Given "$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, $INFILE) can't be used with a Join tool!";
+ else
+ O << "inFile.c_str()";
}
else {
- O << IndentLevel << "if (";
- EmitCaseTest(Test, IndentLevel, OptDescs, O);
- O << ") {\n";
+ O << '"' << Arg << '"';
}
+ }
- ++i;
- if (i == numArgs)
- throw "Case construct handler: no corresponding action "
- "found for the test " + Test.getAsString() + '!';
+ O << ')';
+
+ return Pos;
+}
+
+/// SubstituteEnv - Given '$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 $ENV invocation!";
+ checkedIncrement(Pos, End, errorMessage);
+ const std::string& EnvName = *Pos;
+
+ if (EnvName == ")")
+ throw "$ENV invocation: empty argument list!";
- Callback(d->getArg(i), IndentLevel, O);
- O << IndentLevel << "}\n";
+ O << "checkCString(std::getenv(\"";
+ O << EnvName;
+ O << "\"))";
+
+ checkedIncrement(Pos, End, errorMessage);
+
+ return Pos;
+}
+
+/// 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 == "$ENV") {
+ Pos = SubstituteEnv(Pos, End, O);
+ }
+ else {
+ throw "Unknown special command: " + cmd;
+ }
+
+ // Handle '$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 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, unsigned IndentLevel,
+ raw_ostream& O) {
+ StrVector StrVec;
+ TokenizeCmdLine(InitPtrToString(CmdLine), StrVec);
+
+ if (StrVec.empty())
+ throw "Tool '" + ToolName + "' has empty command line!";
+
+ StrVector::const_iterator I = StrVec.begin(), E = StrVec.end();
+
+ // If there is a hook invocation on the place of the first command, skip it.
+ assert(!StrVec[0].empty());
+ if (StrVec[0][0] == '$') {
+ while (I != E && (*I)[0] != ')' )
+ ++I;
+
+ // Skip the ')' symbol.
+ ++I;
+ }
+ else {
+ ++I;
+ }
+
+ bool hasINFILE = false;
+
+ for (; I != E; ++I) {
+ const std::string& cmd = *I;
+ assert(!cmd.empty());
+ O.indent(IndentLevel);
+ if (cmd.at(0) == '$') {
+ if (cmd == "$INFILE") {
+ hasINFILE = true;
+ if (IsJoin) {
+ O << "for (PathVector::const_iterator B = inFiles.begin()"
+ << ", E = inFiles.end();\n";
+ O.indent(IndentLevel) << "B != E; ++B)\n";
+ O.indent(IndentLevel + Indent1) << "vec.push_back(B->str());\n";
+ }
+ else {
+ O << "vec.push_back(inFile.str());\n";
+ }
+ }
+ else if (cmd == "$OUTFILE") {
+ O << "vec.push_back(\"\");\n";
+ O.indent(IndentLevel) << "out_file_index = vec.size()-1;\n";
+ }
+ else {
+ O << "vec.push_back(";
+ I = SubstituteSpecialCommands(I, E, IsJoin, O);
+ O << ");\n";
+ }
+ }
+ else {
+ O << "vec.push_back(\"" << cmd << "\");\n";
+ }
+ }
+ if (!hasINFILE)
+ throw "Tool '" + ToolName + "' doesn't take any input!";
+
+ O.indent(IndentLevel) << "cmd = ";
+ if (StrVec[0][0] == '$')
+ SubstituteSpecialCommands(StrVec.begin(), StrVec.end(), IsJoin, O);
+ else
+ O << '"' << StrVec[0] << '"';
+ O << ";\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) {}
+
+ void operator()(const Init* Statement, unsigned IndentLevel,
+ raw_ostream& O) const
+ {
+ EmitCmdLineVecFill(Statement, ToolName, IsJoin, IndentLevel, O);
+ }
+};
+
/// EmitForwardOptionPropertyHandlingCode - Helper function used to
-/// implement EmitOptionPropertyHandlingCode(). Emits code for
-/// handling the (forward) option property.
-void EmitForwardOptionPropertyHandlingCode (const ToolOptionDescription& D,
- std::ostream& O) {
+/// implement EmitActionHandler. Emits code for
+/// handling the (forward) and (forward_as) option properties.
+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 << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
+ O.indent(IndentLevel) << "vec.push_back(\"" << Name << "\");\n";
break;
case OptionType::Parameter:
- O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
- O << Indent3 << "vec.push_back(" << D.GenVariableName() << ");\n";
+ O.indent(IndentLevel) << "vec.push_back(\"" << Name << "\");\n";
+ O.indent(IndentLevel) << "vec.push_back(" << D.GenVariableName() << ");\n";
break;
case OptionType::Prefix:
- O << Indent3 << "vec.push_back(\"-" << D.Name << "\" + "
- << D.GenVariableName() << ");\n";
+ O.indent(IndentLevel) << "vec.push_back(\"" << Name << "\" + "
+ << D.GenVariableName() << ");\n";
break;
case OptionType::PrefixList:
- O << Indent3 << "for (" << D.GenTypeDeclaration()
- << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
- << Indent3 << "E = " << D.GenVariableName() << ".end(); B != E; ++B)\n"
- << Indent4 << "vec.push_back(\"-" << D.Name << "\" + "
- << "*B);\n";
+ 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) << "vec.push_back(\"" << Name << "\" + " << "*B);\n";
+ O.indent(IndentLevel1) << "++B;\n";
+
+ for (int i = 1, j = D.MultiVal; i < j; ++i) {
+ O.indent(IndentLevel1) << "vec.push_back(*B);\n";
+ O.indent(IndentLevel1) << "++B;\n";
+ }
+
+ O.indent(IndentLevel) << "}\n";
break;
case OptionType::ParameterList:
- O << Indent3 << "for (" << D.GenTypeDeclaration()
- << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
- << Indent3 << "E = " << D.GenVariableName()
- << ".end() ; B != E; ++B) {\n"
- << Indent4 << "vec.push_back(\"-" << D.Name << "\");\n"
- << Indent4 << "vec.push_back(*B);\n"
- << Indent3 << "}\n";
+ 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) << "vec.push_back(\"" << Name << "\");\n";
+
+ for (int i = 0, j = D.MultiVal; i < j; ++i) {
+ O.indent(IndentLevel1) << "vec.push_back(*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!";
}
}
-// A helper function used by EmitOptionPropertyHandlingCode() that
-// tells us whether we should emit any code at all.
-bool ToolOptionHasInterestingProperties(const ToolOptionDescription& D) {
- if (!D.isForward() && !D.isUnpackValues() && D.Props.empty())
- return false;
- return true;
-}
+/// ActionHandlingCallbackBase - Base class of EmitActionHandlersCallback and
+/// EmitPreprocessOptionsCallback.
+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";
+ }
+
+};
+
+/// 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;
-/// EmitOptionPropertyHandlingCode - Helper function used by
-/// EmitGenerateActionMethod(). Emits code that handles option
-/// properties.
-void EmitOptionPropertyHandlingCode (const ToolOptionDescription& D,
- std::ostream& O)
+class EmitActionHandlersCallback :
+ public ActionHandlingCallbackBase,
+ public HandlerTable<EmitActionHandlersCallbackHandler>
{
- if (!ToolOptionHasInterestingProperties(D))
- return;
- // Start of the if-clause.
- O << Indent2 << "if (";
- if (D.Type == OptionType::Switch)
- O << D.GenVariableName();
- else
- O << '!' << D.GenVariableName() << ".empty()";
+ typedef EmitActionHandlersCallbackHandler Handler;
- O <<") {\n";
+ const OptionDescriptions& OptDescs;
- // Handle option properties that take an argument.
- for (OptionPropertyList::const_iterator B = D.Props.begin(),
- E = D.Props.end(); B!=E; ++B) {
- const OptionProperty& val = *B;
+ /// 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
+ {
+ StrVector Out;
+ TokenizeCmdLine(Str, Out);
- switch (val.first) {
- // (append_cmd cmd) property
- case OptionPropertyType::AppendCmd:
- O << Indent3 << "vec.push_back(\"" << val.second << "\");\n";
- break;
- // Other properties with argument
- default:
- break;
+ 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;
}
}
- // Handle flags
+ void onAppendCmd (const DagInit& Dag,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ checkNumberOfArguments(Dag, 1);
+ this->EmitHookInvocation(InitPtrToString(Dag.getArg(0)),
+ "vec.push_back(", ");\n", IndentLevel, O);
+ }
- // (forward) property
- if (D.isForward())
- EmitForwardOptionPropertyHandlingCode(D, 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);
+ }
- // (unpack_values) property
- if (D.isUnpackValues()) {
- if (IsListOptionType(D.Type)) {
- O << Indent3 << "for (" << D.GenTypeDeclaration()
- << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
- << Indent3 << "E = " << D.GenVariableName()
- << ".end(); B != E; ++B)\n"
- << Indent4 << "llvm::SplitString(*B, vec, \",\");\n";
- }
- else if (D.Type == OptionType::Prefix || D.Type == OptionType::Parameter){
- O << Indent3 << "llvm::SplitString("
- << D.GenVariableName() << ", vec, \",\");\n";
+ 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("
+ << D.GenVariableName() << ");\n";
}
else {
- throw std::string("Switches can't have unpack_values property!");
+ O.indent(IndentLevel) << "std::copy(" << D.GenVariableName()
+ << ".begin(), " << D.GenVariableName()
+ << ".end(), std::back_inserter(vec));\n";
}
}
- // End of the if-clause.
- O << Indent2 << "}\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(" << "hooks::"
+ << Hook << "(" << D.GenVariableName()
+ << (D.isParameter() ? ".c_str()" : "") << "));\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("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);
+ }
+};
+
+bool IsOutFileIndexCheckRequiredStr (const Init* CmdLine) {
+ StrVector StrVec;
+ TokenizeCmdLine(InitPtrToString(CmdLine), StrVec);
+
+ for (StrVector::const_iterator I = StrVec.begin(), E = StrVec.end();
+ I != E; ++I) {
+ if (*I == "$OUTFILE")
+ return false;
+ }
+
+ return true;
+}
+
+class IsOutFileIndexCheckRequiredStrCallback {
+ bool* ret_;
+
+public:
+ IsOutFileIndexCheckRequiredStrCallback(bool* ret) : ret_(ret)
+ {}
+
+ void operator()(const Init* CmdLine) {
+ // Ignore nested 'case' DAG.
+ if (typeid(*CmdLine) == typeid(DagInit))
+ return;
+
+ if (IsOutFileIndexCheckRequiredStr(CmdLine))
+ *ret_ = true;
+ }
+
+ void operator()(const DagInit* Test, unsigned, bool) {
+ this->operator()(Test);
+ }
+ void operator()(const Init* Statement, unsigned) {
+ this->operator()(Statement);
+ }
+};
+
+bool IsOutFileIndexCheckRequiredCase (Init* CmdLine) {
+ bool ret = false;
+ WalkCase(CmdLine, Id(), IsOutFileIndexCheckRequiredStrCallback(&ret));
+ return ret;
}
-void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
- bool Version, const char* IndentLevel,
- std::ostream& O) {
- StrVector StrVec;
- SplitString(InitPtrToString(CmdLine), StrVec);
- if (InitPtrToString(CmdLine).empty())
- throw "Tool " + ToolName + " has empty command line!";
+/// IsOutFileIndexCheckRequired - Should we emit an "out_file_index != -1" check
+/// in EmitGenerateActionMethod() ?
+bool IsOutFileIndexCheckRequired (Init* CmdLine) {
+ if (typeid(*CmdLine) == typeid(StringInit))
+ return IsOutFileIndexCheckRequiredStr(CmdLine);
+ else
+ return IsOutFileIndexCheckRequiredCase(CmdLine);
+}
- StrVector::const_iterator I = StrVec.begin();
- ++I;
- for (StrVector::const_iterator E = StrVec.end(); I != E; ++I) {
- const std::string& cmd = *I;
- O << IndentLevel;
- if (cmd == "$INFILE") {
- if (Version)
- 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(outFile.toString());\n";
- }
- else {
- O << "vec.push_back(\"" << cmd << "\");\n";
- }
- }
- O << IndentLevel << "ret = Action(\"" << StrVec.at(0) << "\", vec);\n";
+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::vector<std::string> vec;\n";
+ O.indent(Indent2) << "bool stop_compilation = !HasChildren;\n";
+ O.indent(Indent2) << "const char* output_suffix = \""
+ << D.OutputSuffix << "\";\n";
}
-class EmitCmdLineVecFillCallback {
- bool Version;
- const std::string& ToolName;
- public:
- EmitCmdLineVecFillCallback(bool Ver, const std::string& TN)
- : Version(Ver), ToolName(TN) {}
+// EmitGenerateActionMethod - Emit either a normal or a "join" version of the
+// Tool::GenerateAction() method.
+void EmitGenerateActionMethod (const ToolDescription& D,
+ const OptionDescriptions& OptDescs,
+ bool IsJoin, raw_ostream& O) {
- void operator()(const Init* Statement, const char* IndentLevel,
- std::ostream& O) const
- {
- EmitCmdLineVecFill(Statement, ToolName, Version,
- (std::string(IndentLevel) + Indent1).c_str(), O);
- }
-};
+ EmitGenerateActionMethodHeader(D, IsJoin, O);
-// EmitGenerateActionMethod - Emit one of two versions of the
-// Tool::GenerateAction() method.
-void EmitGenerateActionMethod (const ToolProperties& P,
- const GlobalOptionDescriptions& OptDescs,
- bool Version, std::ostream& O) {
- if (Version)
- O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n";
- else
- O << Indent1 << "Action GenerateAction(const sys::Path& inFile,\n";
+ if (!D.CmdLine)
+ throw "Tool " + D.Name + " has no cmd_line property!";
- O << Indent2 << "const sys::Path& outFile,\n"
- << Indent2 << "const InputLanguagesSet& InLangs) const\n"
- << Indent1 << "{\n"
- << Indent2 << "Action ret;\n"
- << Indent2 << "std::vector<std::string> vec;\n";
+ bool IndexCheckRequired = IsOutFileIndexCheckRequired(D.CmdLine);
+ O.indent(Indent2) << "int out_file_index"
+ << (IndexCheckRequired ? " = -1" : "")
+ << ";\n\n";
- // cmd_line is either a string or a 'case' construct.
- if (typeid(*P.CmdLine) == typeid(StringInit))
- EmitCmdLineVecFill(P.CmdLine, P.Name, Version, Indent2, O);
+ // Process the cmd_line property.
+ if (typeid(*D.CmdLine) == typeid(StringInit))
+ EmitCmdLineVecFill(D.CmdLine, D.Name, IsJoin, Indent2, O);
else
- EmitCaseConstructHandler(&InitPtrToDagInitRef(P.CmdLine), Indent2,
- EmitCmdLineVecFillCallback(Version, P.Name),
- OptDescs, O);
+ EmitCaseConstructHandler(D.CmdLine, Indent2,
+ EmitCmdLineVecFillCallback(IsJoin, D.Name),
+ true, OptDescs, O);
// For every understood option, emit handling code.
- for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(),
- E = P.OptDescs.end(); B != E; ++B) {
- const ToolOptionDescription& val = B->second;
- EmitOptionPropertyHandlingCode(val, O);
- }
+ if (D.Actions)
+ EmitCaseConstructHandler(D.Actions, Indent2,
+ EmitActionHandlersCallback(OptDescs),
+ false, OptDescs, O);
+
+ O << '\n';
+ O.indent(Indent2)
+ << "std::string out_file = OutFilename("
+ << (IsJoin ? "sys::Path(),\n" : "inFile,\n");
+ O.indent(Indent3) << "TempDir, stop_compilation, output_suffix).str();\n\n";
+
+ if (IndexCheckRequired)
+ O.indent(Indent2) << "if (out_file_index != -1)\n";
+ O.indent(IndexCheckRequired ? Indent3 : Indent2)
+ << "vec[out_file_index] = out_file;\n";
// Handle the Sink property.
- if (P.isSink()) {
- O << Indent2 << "if (!" << SinkOptionName << ".empty()) {\n"
- << Indent3 << "vec.insert(vec.end(), "
- << SinkOptionName << ".begin(), " << SinkOptionName << ".end());\n"
- << Indent2 << "}\n";
+ if (D.isSink()) {
+ O.indent(Indent2) << "if (!" << SinkOptionName << ".empty()) {\n";
+ O.indent(Indent3) << "vec.insert(vec.end(), "
+ << SinkOptionName << ".begin(), " << SinkOptionName
+ << ".end());\n";
+ O.indent(Indent2) << "}\n";
}
- O << Indent2 << "return ret;\n"
- << Indent1 << "}\n\n";
+ O.indent(Indent2) << "return Action(cmd, vec, stop_compilation, out_file);\n";
+ O.indent(Indent1) << "}\n\n";
}
/// EmitGenerateActionMethods - Emit two GenerateAction() methods for
/// a given Tool class.
-void EmitGenerateActionMethods (const ToolProperties& P,
- const GlobalOptionDescriptions& OptDescs,
- std::ostream& O) {
- if (!P.isJoin())
- O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n"
- << Indent2 << "const llvm::sys::Path& outFile,\n"
- << Indent2 << "const InputLanguagesSet& InLangs) const\n"
- << Indent1 << "{\n"
- << Indent2 << "throw std::runtime_error(\"" << P.Name
- << " is not a Join tool!\");\n"
- << Indent1 << "}\n\n";
- else
- EmitGenerateActionMethod(P, OptDescs, true, O);
-
- EmitGenerateActionMethod(P, OptDescs, false, O);
-}
-
-/// EmitIsLastMethod - Emit the IsLast() method for a given Tool
-/// class.
-void EmitIsLastMethod (const ToolProperties& P, std::ostream& O) {
- O << Indent1 << "bool IsLast() const {\n"
- << Indent2 << "bool last = false;\n";
-
- for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(),
- E = P.OptDescs.end(); B != E; ++B) {
- const ToolOptionDescription& val = B->second;
-
- if (val.isStopCompilation())
- O << Indent2
- << "if (" << val.GenVariableName()
- << ")\n" << Indent3 << "last = true;\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);
}
- O << Indent2 << "return last;\n"
- << Indent1 << "}\n\n";
+ EmitGenerateActionMethod(ToolDesc, OptDescs, false, O);
}
/// EmitInOutLanguageMethods - Emit the [Input,Output]Language()
/// methods for a given Tool class.
-void EmitInOutLanguageMethods (const ToolProperties& P, std::ostream& O) {
- O << Indent1 << "const char* InputLanguage() const {\n"
- << Indent2 << "return \"" << P.InLanguage << "\";\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";
- O << Indent1 << "const char* OutputLanguage() const {\n"
- << Indent2 << "return \"" << P.OutLanguage << "\";\n"
- << Indent1 << "}\n\n";
-}
+ if (D.OutLanguage.empty())
+ throw "Tool " + D.Name + " has no 'out_language' property!";
-/// EmitOutputSuffixMethod - Emit the OutputSuffix() method for a
-/// given Tool class.
-void EmitOutputSuffixMethod (const ToolProperties& P, std::ostream& O) {
- O << Indent1 << "const char* OutputSuffix() const {\n"
- << Indent2 << "return \"" << P.OutputSuffix << "\";\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 ToolProperties& P, std::ostream& O) {
- O << Indent1 << "const char* Name() const {\n"
- << Indent2 << "return \"" << P.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 ToolProperties& P, std::ostream& O) {
- O << Indent1 << "bool IsJoin() const {\n";
- if (P.isJoin())
- O << Indent2 << "return true;\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 << Indent2 << "return false;\n";
- O << Indent1 << "}\n\n";
+ O.indent(Indent2) << "return false;\n";
+ O.indent(Indent1) << "}\n\n";
+}
+
+/// EmitStaticMemberDefinitions - Emit static member definitions for a
+/// given Tool class.
+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";
}
/// EmitToolClassDefinition - Emit a Tool class definition.
-void EmitToolClassDefinition (const ToolProperties& P,
- const GlobalOptionDescriptions& OptDescs,
- std::ostream& O) {
- if (P.Name == "root")
+void EmitToolClassDefinition (const ToolDescription& D,
+ const OptionDescriptions& OptDescs,
+ raw_ostream& O) {
+ if (D.Name == "root")
return;
// Header
- O << "class " << P.Name << " : public ";
- if (P.isJoin())
+ O << "class " << D.Name << " : public ";
+ if (D.isJoin())
O << "JoinTool";
else
O << "Tool";
- O << " {\npublic:\n";
- EmitNameMethod(P, O);
- EmitInOutLanguageMethods(P, O);
- EmitOutputSuffixMethod(P, O);
- EmitIsJoinMethod(P, O);
- EmitGenerateActionMethods(P, OptDescs, O);
- EmitIsLastMethod(P, O);
+ O << " {\nprivate:\n";
+ O.indent(Indent1) << "static const char* InputLanguages_[];\n\n";
+
+ O << "public:\n";
+ EmitNameMethod(D, O);
+ EmitInOutLanguageMethods(D, O);
+ EmitIsJoinMethod(D, O);
+ EmitGenerateActionMethods(D, OptDescs, O);
// Close class definition
- O << "};\n\n";
+ O << "};\n";
+
+ EmitStaticMemberDefinitions(D, O);
+
}
-/// EmitOptionDescriptions - Iterate over a list of option
-/// descriptions and emit registration code.
-void EmitOptionDescriptions (const GlobalOptionDescriptions& descs,
- std::ostream& O)
+/// EmitOptionDefinitions - Iterate over a list of option descriptions
+/// and emit registration code.
+void EmitOptionDefinitions (const OptionDescriptions& descs,
+ bool HasSink, bool HasExterns,
+ raw_ostream& O)
{
- // Emit static cl::Option variables
- for (GlobalOptionDescriptions::const_iterator B = descs.begin(),
+ std::vector<OptionDescription> Aliases;
+
+ // Emit static cl::Option variables.
+ for (OptionDescriptions::const_iterator B = descs.begin(),
E = descs.end(); B!=E; ++B) {
- const GlobalOptionDescription& val = B->second;
+ 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()
- << "(\"" << val.Name << '\"';
+ << 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()) {
- switch (val.Type) {
- case OptionType::PrefixList:
- case OptionType::ParameterList:
+ if (val.isList() && !val.isMultiVal())
O << ", cl::OneOrMore";
- break;
- default:
+ else
O << ", cl::Required";
- }
}
+ else if (val.isOneOrMore() && val.isList()) {
+ O << ", cl::OneOrMore";
+ }
+ else if (val.isOptional() && val.isList()) {
+ O << ", cl::Optional";
+ }
+
+ 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";
+ }
+
+ // Emit the aliases (they should go after all the 'proper' options).
+ 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 << '\"';
- O << ", cl::desc(\"" << val.Help << "\"));\n";
+ const OptionDescription& D = descs.FindOption(val.Help);
+ O << ", cl::aliasopt(" << D.GenVariableName() << ")";
+
+ O << ", cl::desc(\"" << "An alias for -" + val.Help << "\"));\n";
}
- if (descs.HasSink)
- O << "cl::list<std::string> " << SinkOptionName << "(cl::Sink);\n";
+ // Emit the sink option.
+ if (HasSink)
+ O << (HasExterns ? "extern cl" : "cl")
+ << "::list<std::string> " << SinkOptionName
+ << (HasExterns ? ";\n" : "(cl::Sink);\n");
O << '\n';
}
-/// EmitPopulateLanguageMap - Emit the PopulateLanguageMap() function.
-void EmitPopulateLanguageMap (const RecordKeeper& Records, std::ostream& O)
+/// 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>
{
- // Get the relevant field out of RecordKeeper
- Record* LangMapRecord = Records.getDef("LanguageMap");
- if (!LangMapRecord)
- throw std::string("Language map definition not found!");
+ typedef EmitPreprocessOptionsCallbackHandler Handler;
+
+ const OptionDescriptions& OptDescs_;
+
+ void onUnsetOptionStr(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 onUnsetOptionList(const ListInit& L,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ for (ListInit::const_iterator B = L.begin(), E = L.end(); B != E; ++B)
+ this->onUnsetOptionStr(*B, IndentLevel, O);
+ }
+
+ void onUnsetOption(const DagInit& d,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ checkNumberOfArguments(d, 1);
+ Init* I = d.getArg(0);
+
+ if (typeid(*I) == typeid(ListInit)) {
+ const ListInit& L = *static_cast<const ListInit*>(I);
+ this->onUnsetOptionList(L, IndentLevel, O);
+ }
+ else {
+ this->onUnsetOptionStr(I, IndentLevel, O);
+ }
+ }
+
+public:
+
+ EmitPreprocessOptionsCallback(const OptionDescriptions& OptDescs)
+ : OptDescs_(OptDescs)
+ {
+ if (!staticMembersInitialized_) {
+ AddHandler("error", &EmitPreprocessOptionsCallback::onErrorDag);
+ AddHandler("warning", &EmitPreprocessOptionsCallback::onWarningDag);
+ AddHandler("unset_option", &EmitPreprocessOptionsCallback::onUnsetOption);
+
+ staticMembersInitialized_ = true;
+ }
+ }
- ListInit* LangsToSuffixesList = LangMapRecord->getValueAsListInit("map");
- if (!LangsToSuffixesList)
- throw std::string("Error in the language map definition!");
+ void operator()(const Init* I,
+ unsigned IndentLevel, raw_ostream& O) const
+ {
+ InvokeDagInitHandler(this, I, IndentLevel, O);
+ }
- // Generate code
- O << "void llvmc::PopulateLanguageMap(LanguageMap& language_map) {\n";
+};
- for (unsigned i = 0; i < LangsToSuffixesList->size(); ++i) {
- Record* LangToSuffixes = LangsToSuffixesList->getElementAsRecord(i);
+/// EmitPreprocessOptions - Emit the PreprocessOptionsLocal() function.
+void EmitPreprocessOptions (const RecordKeeper& Records,
+ const OptionDescriptions& OptDecs, raw_ostream& O)
+{
+ O << "void PreprocessOptionsLocal() {\n";
- const std::string& Lang = LangToSuffixes->getValueAsString("lang");
- const ListInit* Suffixes = LangToSuffixes->getValueAsListInit("suffixes");
+ const RecordVector& OptionPreprocessors =
+ Records.getAllDerivedDefinitions("OptionPreprocessor");
- for (unsigned i = 0; i < Suffixes->size(); ++i)
- O << Indent1 << "language_map[\""
- << InitPtrToString(Suffixes->getElement(i))
- << "\"] = \"" << Lang << "\";\n";
+ 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";
}
-/// FillInToolToLang - Fills in two tables that map tool names to
-/// (input, output) languages. Used by the typechecker.
-void FillInToolToLang (const ToolPropertiesList& TPList,
- StringMap<std::string>& ToolToInLang,
- StringMap<std::string>& ToolToOutLang) {
- for (ToolPropertiesList::const_iterator B = TPList.begin(), E = TPList.end();
- B != E; ++B) {
- const ToolProperties& P = *(*B);
- ToolToInLang[P.Name] = P.InLanguage;
- ToolToOutLang[P.Name] = P.OutLanguage;
+/// EmitPopulateLanguageMap - Emit the PopulateLanguageMapLocal() function.
+void EmitPopulateLanguageMap (const RecordKeeper& Records, raw_ostream& O)
+{
+ O << "void PopulateLanguageMapLocal(LanguageMap& langMap) {\n";
+
+ // Get the relevant field out of RecordKeeper
+ const Record* LangMapRecord = Records.getDef("LanguageMap");
+
+ // It is allowed for a plugin to have no language map.
+ 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";
}
-/// TypecheckGraph - Check that names for output and input languages
-/// on all edges do match.
-// TOFIX: check for cycles.
-// TOFIX: check for multiple default edges.
-void TypecheckGraph (Record* CompilationGraph,
- const ToolPropertiesList& TPList) {
- StringMap<std::string> ToolToInLang;
- StringMap<std::string> ToolToOutLang;
+/// IncDecWeight - Helper function passed to EmitCaseConstructHandler()
+/// by EmitEdgeClass().
+void IncDecWeight (const Init* i, unsigned IndentLevel,
+ raw_ostream& O) {
+ const DagInit& d = InitPtrToDag(i);
+ const std::string& OpName = GetOperatorName(d);
- FillInToolToLang(TPList, ToolToInLang, ToolToOutLang);
- ListInit* edges = CompilationGraph->getValueAsListInit("edges");
- StringMap<std::string>::iterator IAE = ToolToInLang.end();
- StringMap<std::string>::iterator IBE = ToolToOutLang.end();
-
- for (unsigned i = 0; i < edges->size(); ++i) {
- Record* Edge = edges->getElementAsRecord(i);
- Record* A = Edge->getValueAsDef("a");
- Record* B = Edge->getValueAsDef("b");
- StringMap<std::string>::iterator IA = ToolToOutLang.find(A->getName());
- StringMap<std::string>::iterator IB = ToolToInLang.find(B->getName());
- if (IA == IAE)
- throw A->getName() + ": no such tool!";
- if (IB == IBE)
- throw B->getName() + ": no such tool!";
- if (A->getName() != "root" && IA->second != IB->second)
- throw "Edge " + A->getName() + "->" + B->getName()
- + ": output->input language mismatch";
- if (B->getName() == "root")
- throw std::string("Edges back to the root are not allowed!");
- }
-}
-
-// Helper function passed to EmitCaseConstructHandler by EmitEdgeClass.
-void IncDecWeight (const Init* i, const char* IndentLevel,
- std::ostream& O) {
- const DagInit& d = InitPtrToDagInitRef(i);
- const std::string& OpName = d.getOperator()->getAsString();
-
- if (OpName == "inc_weight")
- O << IndentLevel << Indent1 << "ret += ";
- else if (OpName == "dec_weight")
- O << IndentLevel << Indent1 << "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") {
+ 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";
/// EmitEdgeClass - Emit a single Edge# class.
void EmitEdgeClass (unsigned N, const std::string& Target,
- DagInit* Case, const GlobalOptionDescriptions& OptDescs,
- std::ostream& O) {
+ DagInit* Case, const OptionDescriptions& OptDescs,
+ 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, OptDescs, O);
+ 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";
}
-// Emit Edge* classes that represent graph edges.
-void EmitEdgeClasses (Record* CompilationGraph,
- const GlobalOptionDescriptions& OptDescs,
- std::ostream& O) {
- ListInit* edges = CompilationGraph->getValueAsListInit("edges");
+/// EmitEdgeClasses - Emit Edge* classes that represent graph edges.
+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;
+ }
+}
+
+/// EmitPopulateCompilationGraph - Emit the PopulateCompilationGraphLocal()
+/// function.
+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';
+
+ // Insert edges.
- for (unsigned i = 0; i < edges->size(); ++i) {
- Record* Edge = edges->getElementAsRecord(i);
- Record* B = Edge->getValueAsDef("b");
- DagInit* Weight = Edge->getValueAsDag("weight");
+ 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))
- continue;
+ O << "new SimpleEdge(\"" << NodeB << "\")";
+ else
+ O << "new Edge" << i << "()";
- EmitEdgeClass(i, B->getName(), Weight, OptDescs, O);
+ O << ");\n";
+ ++i;
}
+
+ O << "}\n\n";
}
-/// EmitPopulateCompilationGraph - Emit the PopulateCompilationGraph()
-/// function.
-void EmitPopulateCompilationGraph (Record* CompilationGraph,
- std::ostream& O)
-{
- ListInit* edges = CompilationGraph->getValueAsListInit("edges");
+/// 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)
+ {}
- // Generate code
- O << "void llvmc::PopulateCompilationGraph(CompilationGraph& G) {\n"
- << Indent1 << "PopulateLanguageMap(G.ExtsToLangs);\n\n";
+ 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
+/// $CALL(HookName) in the provided command line string/action. Helper
+/// function used by FillInHookNames().
+class ExtractHookNames {
+ HookInfoMap& HookNames_;
+ const OptionDescriptions& OptDescs_;
+public:
+ ExtractHookNames(HookInfoMap& HookNames, const OptionDescriptions& OptDescs)
+ : HookNames_(HookNames), OptDescs_(OptDescs)
+ {}
- // Insert vertices
+ void onAction (const DagInit& Dag) {
+ const std::string& Name = GetOperatorName(Dag);
- RecordVector Tools = Records.getAllDerivedDefinitions("Tool");
- if (Tools.empty())
- throw std::string("No tool definitions found!");
+ if (Name == "forward_transformed_value") {
+ checkNumberOfArguments(Dag, 2);
+ const std::string& OptName = InitPtrToString(Dag.getArg(0));
+ const std::string& HookName = InitPtrToString(Dag.getArg(1));
+ const OptionDescription& D = OptDescs_.FindOption(OptName);
- for (RecordVector::iterator B = Tools.begin(), E = Tools.end(); B != E; ++B) {
- const std::string& Name = (*B)->getName();
- if (Name != "root")
- O << Indent1 << "G.insertNode(new "
- << Name << "());\n";
+ HookNames_[HookName] = HookInfo(D.isList() ? HookInfo::ListHook
+ : HookInfo::ArgHook);
+ }
+ else if (Name == "append_cmd" || Name == "output_suffix") {
+ checkNumberOfArguments(Dag, 1);
+ this->onCmdLine(InitPtrToString(Dag.getArg(0)));
+ }
}
- O << '\n';
+ void onCmdLine(const std::string& Cmd) {
+ StrVector cmds;
+ TokenizeCmdLine(Cmd, cmds);
- // Insert edges
- for (unsigned i = 0; i < edges->size(); ++i) {
- Record* Edge = edges->getElementAsRecord(i);
- Record* A = Edge->getValueAsDef("a");
- Record* B = Edge->getValueAsDef("b");
- DagInit* Weight = Edge->getValueAsDag("weight");
+ for (StrVector::const_iterator B = cmds.begin(), E = cmds.end();
+ B != E; ++B) {
+ const std::string& cmd = *B;
- O << Indent1 << "G.insertEdge(\"" << A->getName() << "\", ";
+ if (cmd == "$CALL") {
+ unsigned NumArgs = 0;
+ checkedIncrement(B, E, "Syntax error in $CALL invocation!");
+ const std::string& HookName = *B;
- if (isDagEmpty(Weight))
- O << "new SimpleEdge(\"" << B->getName() << "\")";
- else
- O << "new Edge" << i << "()";
+ if (HookName.at(0) == ')')
+ throw "$CALL invoked with no arguments!";
- O << ");\n";
+ 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,
+ const OptionDescriptions& OptDescs,
+ HookInfoMap& HookNames)
+{
+ // 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, OptDescs).operator()(D.CmdLine);
+ else
+ // This is a 'case' construct.
+ 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,
+ 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";
}
+/// EmitRegisterPlugin - Emit code to register this plugin.
+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";
+}
+
+/// EmitIncludes - Emit necessary #include directives and some
+/// additional declarations.
+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"
-// End of anonymous namespace
+ << "#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";
}
-/// run - The back-end entry point.
-void LLVMCConfigurationEmitter::run (std::ostream &O) {
- // Emit file header.
- EmitSourceFileHeader("LLVMC Configuration Library", O);
+/// PluginData - Holds all information about a plugin.
+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
+/// there are any with the 'sink' property set.
+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;
+}
+
+/// 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.
+void CollectPluginData (const RecordKeeper& Records, PluginData& Data) {
+ // Collect option properties.
+ const RecordVector& OptionLists =
+ Records.getAllDerivedDefinitions("OptionList");
+ CollectOptionDescriptions(OptionLists.begin(), OptionLists.end(),
+ Data.OptDescs);
+
+ // Collect tool properties.
+ 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.
+void CheckPluginData(PluginData& Data) {
+ // Filter out all tools not mentioned in the compilation graph.
+ FilterNotInGraph(Data.Edges, Data.ToolDescs);
- // Get a list of all defined Tools.
- RecordVector Tools = Records.getAllDerivedDefinitions("Tool");
- if (Tools.empty())
- throw std::string("No tool definitions found!");
+ // Typecheck the compilation graph.
+ TypecheckGraph(Data.Edges, Data.ToolDescs);
+
+ // Check that there are no options without side effects (specified
+ // only in the OptionList).
+ CheckForSuperfluousOptions(Data.Edges, Data.ToolDescs, Data.OptDescs);
+
+}
- // Gather information from the Tool description dags.
- ToolPropertiesList tool_props;
- GlobalOptionDescriptions opt_descs;
- CollectToolProperties(Tools.begin(), Tools.end(), tool_props, opt_descs);
+void EmitPluginCode(const PluginData& Data, raw_ostream& O) {
+ // Emit file header.
+ EmitIncludes(O);
// Emit global option registration code.
- EmitOptionDescriptions(opt_descs, O);
+ EmitOptionDefinitions(Data.OptDescs, Data.HasSink, Data.HasExterns, O);
+
+ // Emit hook declarations.
+ EmitHookDeclarations(Data.ToolDescs, Data.OptDescs, O);
+
+ O << "namespace {\n\n";
+
+ // Emit PreprocessOptionsLocal() function.
+ EmitPreprocessOptions(Records, Data.OptDescs, O);
- // Emit PopulateLanguageMap() function
- // (a language map maps from file extensions to language names).
+ // Emit PopulateLanguageMapLocal() function
+ // (language map maps from file extensions to language names).
EmitPopulateLanguageMap(Records, O);
// Emit Tool classes.
- for (ToolPropertiesList::const_iterator B = tool_props.begin(),
- E = tool_props.end(); B!=E; ++B)
- EmitToolClassDefinition(*(*B), opt_descs, O);
+ for (ToolDescriptions::const_iterator B = Data.ToolDescs.begin(),
+ E = Data.ToolDescs.end(); B!=E; ++B)
+ EmitToolClassDefinition(*(*B), Data.OptDescs, O);
- Record* CompilationGraphRecord = Records.getDef("CompilationGraph");
- if (!CompilationGraphRecord)
- throw std::string("Compilation graph description not found!");
+ // Emit Edge# classes.
+ EmitEdgeClasses(Data.Edges, Data.OptDescs, O);
- // Typecheck the compilation graph.
- TypecheckGraph(CompilationGraphRecord, tool_props);
+ // Emit PopulateCompilationGraphLocal() function.
+ EmitPopulateCompilationGraph(Data.Edges, Data.ToolDescs, O);
- // Emit Edge# classes.
- EmitEdgeClasses(CompilationGraphRecord, opt_descs, O);
+ // Emit code for plugin registration.
+ EmitRegisterPlugin(Data.Priority, O);
+
+ O << "} // End anonymous namespace.\n\n";
- // Emit PopulateCompilationGraph() function.
- EmitPopulateCompilationGraph(CompilationGraphRecord, O);
+ // Force linkage magic.
+ O << "namespace llvmc {\n";
+ O << "LLVMC_FORCE_LINKAGE_DECL(LLVMC_PLUGIN_NAME) {}\n";
+ O << "}\n";
// EOF
}
+
+
+// End of anonymous namespace
+}
+
+/// run - The back-end entry point.
+void LLVMCConfigurationEmitter::run (raw_ostream &O) {
+ try {
+ PluginData Data;
+
+ CollectPluginData(Records, Data);
+ CheckPluginData(Data);
+
+ EmitSourceFileHeader("LLVMC Configuration Library", O);
+ EmitPluginCode(Data, O);
+
+ } catch (std::exception& Error) {
+ throw Error.what() + std::string(" - usually this means a syntax error.");
+ }
+}
projects / oota-llvm.git / blobdiff