#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringSet.h"
-#include "llvm/Support/Streams.h"
#include <algorithm>
#include <cassert>
#include <functional>
#include <stdexcept>
#include <string>
#include <typeinfo>
+
using namespace llvm;
namespace {
//===----------------------------------------------------------------------===//
/// Constants
-// Indentation strings.
-const char * Indent1 = " ";
-const char * Indent2 = " ";
-const char * Indent3 = " ";
-const char * Indent4 = " ";
+// Indentation.
+unsigned TabWidth = 4;
+unsigned Indent1 = TabWidth*1;
+unsigned Indent2 = TabWidth*2;
+unsigned Indent3 = TabWidth*3;
// Default help string.
const char * DefaultHelpString = "NO HELP MESSAGE PROVIDED";
//===----------------------------------------------------------------------===//
/// Helper functions
+/// Id - An 'identity' function object.
+struct Id {
+ template<typename T>
+ void operator()(const T&) const {
+ }
+};
+
int InitPtrToInt(const Init* ptr) {
const IntInit& val = dynamic_cast<const IntInit&>(*ptr);
return val.getValue();
}
// checkNumberOfArguments - Ensure that the number of args in d is
-// less than or equal to min_arguments, otherwise throw an exception.
+// greater 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!";
+ if (!d || d->getNumArgs() < min_arguments)
+ throw d->getOperator()->getAsString() + ": too few arguments!";
}
// isDagEmpty - is this DAG marked with an empty marker?
bool isDagEmpty (const DagInit* d) {
- return d->getOperator()->getAsString() == "empty";
+ return d->getOperator()->getAsString() == "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;
}
//===----------------------------------------------------------------------===//
/// Back-end specific code
-// A command-line option can have one of the following types:
-//
-// Alias - an alias for another option.
-//
-// Switch - a simple switch without 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 { Alias, Switch,
- Parameter, ParameterList, Prefix, PrefixList};
+
+ enum OptionType { Alias, Switch, Parameter, ParameterList,
+ Prefix, PrefixList};
+
+ 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, ZeroOrOne = 0x20 };
+}
-/// 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::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>";
- }
- }
+ /// 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) {
- char cur_char = Var[i];
- if (cur_char == ',') {
- ret += "_comma_";
- }
- else if (cur_char == '+') {
- ret += "_plus_";
- }
- else if (cur_char == ',') {
- ret += "_comma_";
- }
- else {
- ret.push_back(cur_char);
- }
- }
- return ret;
- }
-
- std::string GenVariableName() const {
- const std::string& EscapedName = EscapeVariableName(Name);
- switch (Type) {
- case OptionType::Alias:
- return "AutoGeneratedAlias" + EscapedName;
- 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);
-// Global option description.
+ // Misc convenient getters/setters.
-namespace GlobalOptionDescriptionFlags {
- enum GlobalOptionDescriptionFlags { Required = 0x1 };
-}
+ bool isAlias() const;
-struct GlobalOptionDescription : public OptionDescription {
- std::string Help;
- unsigned Flags;
+ bool isMultiVal() const;
- // We need to provide a default constructor because
- // StringMap can only store DefaultConstructible objects.
- GlobalOptionDescription() : OptionDescription(), Flags(0)
- {}
+ bool isExtern() const;
+ void setExtern();
- GlobalOptionDescription (OptionType::OptionType t, const std::string& n,
- const std::string& h = DefaultHelpString)
- : OptionDescription(t, n), Help(h), Flags(0)
- {}
+ bool isRequired() const;
+ void setRequired();
- bool isRequired() const {
- return Flags & GlobalOptionDescriptionFlags::Required;
- }
- void setRequired() {
- Flags |= GlobalOptionDescriptionFlags::Required;
- }
+ bool isOneOrMore() const;
+ void setOneOrMore();
- /// 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 isZeroOrOne() const;
+ void setZeroOrOne();
- Flags |= other.Flags;
- }
-};
+ bool isHidden() const;
+ void setHidden();
-/// 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;
+ bool isReallyHidden() const;
+ void setReallyHidden();
- /// Descriptions - A list of GlobalOptionDescriptions.
- container_type Descriptions;
- /// HasSink - Should the emitter generate a "cl::sink" option?
- bool HasSink;
+ bool isParameter() const
+ { return OptionType::IsParameter(this->Type); }
- /// FindOption - exception-throwing wrapper for find().
- 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!";
- }
+ bool isSwitch() const
+ { return OptionType::IsSwitch(this->Type); }
- /// insertDescription - Insert new GlobalOptionDescription into
- /// GlobalOptionDescriptions list
- void insertDescription (const GlobalOptionDescription& o)
- {
- container_type::iterator I = Descriptions.find(o.Name);
- if (I != Descriptions.end()) {
- GlobalOptionDescription& D = I->second;
- D.Merge(o);
- }
- else {
- Descriptions[o.Name] = o;
- }
- }
+ bool isList() const
+ { return OptionType::IsList(this->Type); }
- // Support for STL-style iteration
- const_iterator begin() const { return Descriptions.begin(); }
- const_iterator end() const { return Descriptions.end(); }
};
+void OptionDescription::Merge (const OptionDescription& other)
+{
+ if (other.Type != Type)
+ throw "Conflicting definitions for the option " + Name + "!";
-// Tool-local option description.
+ 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";
+ }
-// Properties without arguments are implemented as flags.
-namespace ToolOptionDescriptionFlags {
- enum ToolOptionDescriptionFlags { StopCompilation = 0x1,
- Forward = 0x2, UnpackValues = 0x4};
+ Flags |= other.Flags;
}
-namespace OptionPropertyType {
- enum OptionPropertyType { AppendCmd, ForwardAs, OutputSuffix };
+
+bool OptionDescription::isAlias() const {
+ return Type == OptionType::Alias;
}
-typedef std::pair<OptionPropertyType::OptionPropertyType, std::string>
-OptionProperty;
-typedef SmallVector<OptionProperty, 4> OptionPropertyList;
+bool OptionDescription::isMultiVal() const {
+ return MultiVal > 1;
+}
-struct ToolOptionDescription : public OptionDescription {
- unsigned Flags;
- OptionPropertyList Props;
+bool OptionDescription::isExtern() const {
+ return Flags & OptionDescriptionFlags::Extern;
+}
+void OptionDescription::setExtern() {
+ Flags |= OptionDescriptionFlags::Extern;
+}
- // StringMap can only store DefaultConstructible objects
- ToolOptionDescription() : OptionDescription(), Flags(0) {}
+bool OptionDescription::isRequired() const {
+ return Flags & OptionDescriptionFlags::Required;
+}
+void OptionDescription::setRequired() {
+ Flags |= OptionDescriptionFlags::Required;
+}
- ToolOptionDescription (OptionType::OptionType t, const std::string& n)
- : OptionDescription(t, n)
- {}
+bool OptionDescription::isOneOrMore() const {
+ return Flags & OptionDescriptionFlags::OneOrMore;
+}
+void OptionDescription::setOneOrMore() {
+ Flags |= OptionDescriptionFlags::OneOrMore;
+}
- // Various boolean properties
- bool isStopCompilation() const {
- return Flags & ToolOptionDescriptionFlags::StopCompilation;
- }
- void setStopCompilation() {
- Flags |= ToolOptionDescriptionFlags::StopCompilation;
- }
+bool OptionDescription::isZeroOrOne() const {
+ return Flags & OptionDescriptionFlags::ZeroOrOne;
+}
+void OptionDescription::setZeroOrOne() {
+ Flags |= OptionDescriptionFlags::ZeroOrOne;
+}
- bool isForward() const {
- return Flags & ToolOptionDescriptionFlags::Forward;
- }
- void setForward() {
- Flags |= ToolOptionDescriptionFlags::Forward;
- }
+bool OptionDescription::isHidden() const {
+ return Flags & OptionDescriptionFlags::Hidden;
+}
+void OptionDescription::setHidden() {
+ Flags |= OptionDescriptionFlags::Hidden;
+}
- bool isUnpackValues() const {
- return Flags & ToolOptionDescriptionFlags::UnpackValues;
- }
- void setUnpackValues() {
- Flags |= ToolOptionDescriptionFlags::UnpackValues;
+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>";
}
+}
- void AddProperty (OptionPropertyType::OptionPropertyType t,
- const std::string& val)
- {
- Props.push_back(std::make_pair(t, val));
+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;
}
-};
+}
-typedef StringMap<ToolOptionDescription> ToolOptionDescriptions;
+/// OptionDescriptions - An OptionDescription array plus some helper
+/// functions.
+class OptionDescriptions {
+ typedef StringMap<OptionDescription> container_type;
-// Tool information record
+ /// Descriptions - A list of OptionDescriptions.
+ container_type Descriptions;
-namespace ToolFlags {
- enum ToolFlags { Join = 0x1, Sink = 0x2 };
+public:
+ /// FindOption - exception-throwing wrapper for find().
+ const OptionDescription& FindOption(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(); }
+};
+
+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!";
}
-struct ToolProperties : public RefCountedBase<ToolProperties> {
- std::string Name;
- Init* CmdLine;
- StrVector InLanguage;
- std::string OutLanguage;
- std::string OutputSuffix;
- unsigned Flags;
- ToolOptionDescriptions OptDescs;
+void OptionDescriptions::InsertDescription (const OptionDescription& o)
+{
+ container_type::iterator I = Descriptions.find(o.Name);
+ if (I != Descriptions.end()) {
+ OptionDescription& D = I->second;
+ D.Merge(o);
+ }
+ else {
+ Descriptions[o.Name] = o;
+ }
+}
- // 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; }
+/// HandlerTable - A base class for function objects implemented as
+/// 'tables of handlers'.
+template <class T>
+class HandlerTable {
+protected:
+ // Implementation details.
- // Default ctor here is needed because StringMap can only store
- // DefaultConstructible objects
- ToolProperties() : CmdLine(0), Flags(0) {}
- ToolProperties (const std::string& n) : Name(n), CmdLine(0), Flags(0) {}
-};
+ /// Handler -
+ typedef void (T::* Handler) (const DagInit*);
+ /// HandlerMap - A map from property names to property handlers
+ typedef StringMap<Handler> HandlerMap;
+ static HandlerMap Handlers_;
+ static bool staticMembersInitialized_;
-/// 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;
+ T* childPtr;
+public:
+ HandlerTable(T* cp) : childPtr(cp)
+ {}
-/// CollectOptionProperties - Function object for iterating over a
-/// list (usually, a DAG) of option property records.
-class CollectOptionProperties {
-private:
- // Implementation details.
+ /// operator() - Just forwards to the corresponding property
+ /// handler.
+ void operator() (Init* i) {
+ const DagInit& property = InitPtrToDag(i);
+ const std::string& property_name = property.getOperator()->getAsString();
+ typename HandlerMap::iterator method = Handlers_.find(property_name);
- /// OptionPropertyHandler - a function that extracts information
- /// about a given option property from its DAG representation.
- typedef void (CollectOptionProperties::* OptionPropertyHandler)
- (const DagInit*);
+ if (method != Handlers_.end()) {
+ Handler h = method->second;
+ (childPtr->*h)(&property);
+ }
+ else {
+ throw "No handler found for property " + property_name + "!";
+ }
+ }
- /// OptionPropertyHandlerMap - A map from option property names to
- /// option property handlers
- typedef StringMap<OptionPropertyHandler> OptionPropertyHandlerMap;
+ void AddHandler(const char* Property, Handler Handl) {
+ Handlers_[Property] = Handl;
+ }
+};
+
+template <class T> typename HandlerTable<T>::HandlerMap
+HandlerTable<T>::Handlers_;
+template <class T> bool HandlerTable<T>::staticMembersInitialized_ = false;
- static OptionPropertyHandlerMap optionPropertyHandlers_;
- static bool staticMembersInitialized_;
- /// This is where the information is stored
+/// CollectOptionProperties - Function object for iterating over an
+/// option property list.
+class CollectOptionProperties : public HandlerTable<CollectOptionProperties> {
+private:
- /// toolProps_ - Properties of the current Tool.
- ToolProperties* toolProps_;
- /// optDescs_ - OptionDescriptions table (used to register options
- /// globally).
- GlobalOptionDescription& optDesc_;
+ /// optDescs_ - OptionDescriptions table. This is where the
+ /// information is stored.
+ OptionDescription& optDesc_;
public:
- explicit CollectOptionProperties(ToolProperties* TP,
- GlobalOptionDescription& OD)
- : toolProps_(TP), optDesc_(OD)
+ explicit CollectOptionProperties(OptionDescription& OD)
+ : HandlerTable<CollectOptionProperties>(this), optDesc_(OD)
{
if (!staticMembersInitialized_) {
- optionPropertyHandlers_["append_cmd"] =
- &CollectOptionProperties::onAppendCmd;
- optionPropertyHandlers_["forward"] =
- &CollectOptionProperties::onForward;
- optionPropertyHandlers_["forward_as"] =
- &CollectOptionProperties::onForwardAs;
- optionPropertyHandlers_["help"] =
- &CollectOptionProperties::onHelp;
- optionPropertyHandlers_["output_suffix"] =
- &CollectOptionProperties::onOutputSuffix;
- optionPropertyHandlers_["required"] =
- &CollectOptionProperties::onRequired;
- optionPropertyHandlers_["stop_compilation"] =
- &CollectOptionProperties::onStopCompilation;
- optionPropertyHandlers_["unpack_values"] =
- &CollectOptionProperties::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("zero_or_one", &CollectOptionProperties::onZeroOrOne);
staticMembersInitialized_ = true;
}
}
- /// operator() - Gets called for every option property; Just forwards
- /// to the corresponding property handler.
- void operator() (Init* i) {
- const DagInit& option_property = InitPtrToDag(i);
- 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);
- }
- else {
- throw "Unknown option property: " + option_property_name + "!";
- }
- }
-
private:
/// Option property handlers --
- /// Methods that handle properties that are common for all types of
- /// options (like append_cmd, stop_compilation)
+ /// Methods that handle option properties such as (help) or (hidden).
- void onAppendCmd (const DagInit* d) {
- checkNumberOfArguments(d, 1);
- checkToolProps(d);
- const std::string& cmd = InitPtrToString(d->getArg(0));
-
- toolProps_->OptDescs[optDesc_.Name].
- AddProperty(OptionPropertyType::AppendCmd, cmd);
+ void onExtern (const DagInit* d) {
+ checkNumberOfArguments(d, 0);
+ optDesc_.setExtern();
}
- void onOutputSuffix (const DagInit* d) {
+ void onHelp (const DagInit* d) {
checkNumberOfArguments(d, 1);
- checkToolProps(d);
- const std::string& suf = InitPtrToString(d->getArg(0));
-
- if (toolProps_->OptDescs[optDesc_.Name].Type != OptionType::Switch)
- throw "Option " + optDesc_.Name
- + " can't have 'output_suffix' property since it isn't a switch!";
-
- toolProps_->OptDescs[optDesc_.Name].AddProperty
- (OptionPropertyType::OutputSuffix, suf);
+ optDesc_.Help = InitPtrToString(d->getArg(0));
}
- void onForward (const DagInit* d) {
+ void onHidden (const DagInit* d) {
checkNumberOfArguments(d, 0);
- checkToolProps(d);
- toolProps_->OptDescs[optDesc_.Name].setForward();
+ optDesc_.setHidden();
}
- void onForwardAs (const DagInit* d) {
- checkNumberOfArguments(d, 1);
- checkToolProps(d);
- const std::string& cmd = InitPtrToString(d->getArg(0));
+ void onReallyHidden (const DagInit* d) {
+ checkNumberOfArguments(d, 0);
+ optDesc_.setReallyHidden();
+ }
- toolProps_->OptDescs[optDesc_.Name].
- AddProperty(OptionPropertyType::ForwardAs, cmd);
+ void onRequired (const DagInit* d) {
+ checkNumberOfArguments(d, 0);
+ if (optDesc_.isOneOrMore())
+ throw std::string("An option can't have both (required) "
+ "and (one_or_more) properties!");
+ optDesc_.setRequired();
}
- void onHelp (const DagInit* d) {
+ void onInit (const DagInit* d) {
checkNumberOfArguments(d, 1);
- const std::string& help_message = InitPtrToString(d->getArg(0));
+ Init* i = d->getArg(0);
+ const std::string& str = i->getAsString();
- optDesc_.Help = help_message;
- }
+ bool correct = optDesc_.isParameter() && dynamic_cast<StringInit*>(i);
+ correct |= (optDesc_.isSwitch() && (str == "true" || str == "false"));
- void onRequired (const DagInit* d) {
- checkNumberOfArguments(d, 0);
- checkToolProps(d);
- optDesc_.setRequired();
+ if (!correct)
+ throw std::string("Incorrect usage of the 'init' option property!");
+
+ optDesc_.InitVal = i;
}
- void onStopCompilation (const DagInit* d) {
+ void onOneOrMore (const DagInit* d) {
checkNumberOfArguments(d, 0);
- checkToolProps(d);
- if (optDesc_.Type != OptionType::Switch)
- throw std::string("Only options of type Switch can stop compilation!");
- toolProps_->OptDescs[optDesc_.Name].setStopCompilation();
+ if (optDesc_.isRequired() || optDesc_.isZeroOrOne())
+ throw std::string("Only one of (required), (zero_or_one) 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 onUnpackValues (const DagInit* d) {
+ void onZeroOrOne (const DagInit* d) {
checkNumberOfArguments(d, 0);
- checkToolProps(d);
- toolProps_->OptDescs[optDesc_.Name].setUnpackValues();
+ if (optDesc_.isRequired() || optDesc_.isOneOrMore())
+ throw std::string("Only one of (required), (zero_or_one) or "
+ "(one_or_more) properties is allowed!");
+ if (!OptionType::IsList(optDesc_.Type))
+ llvm::errs() << "Warning: specifying the 'zero_or_one' property"
+ "on a non-list option will have no effect.\n";
+ optDesc_.setZeroOrOne();
}
- // Helper functions
-
- /// checkToolProps - Throw an error if toolProps_ == 0.
- void checkToolProps(const DagInit* d) {
- if (!d)
- throw "Option property " + d->getOperator()->getAsString()
- + " can't be used in this context";
+ void onMultiVal (const DagInit* d) {
+ checkNumberOfArguments(d, 1);
+ int val = InitPtrToInt(d->getArg(0));
+ if (val < 2)
+ throw std::string("Error in the 'multi_val' property: "
+ "the value must be greater than 1!");
+ if (!OptionType::IsList(optDesc_.Type))
+ throw std::string("The multi_val property is valid only "
+ "on list options!");
+ optDesc_.MultiVal = val;
}
};
-CollectOptionProperties::OptionPropertyHandlerMap
-CollectOptionProperties::optionPropertyHandlers_;
-
-bool CollectOptionProperties::staticMembersInitialized_ = false;
-
-
-/// processOptionProperties - Go through the list of option
-/// properties and call a corresponding handler for each.
-void processOptionProperties (const DagInit* d, ToolProperties* t,
- GlobalOptionDescription& o) {
- checkNumberOfArguments(d, 2);
- DagInit::const_arg_iterator B = d->arg_begin();
- // Skip the first argument: it's always the option name.
- ++B;
- std::for_each(B, d->arg_end(), CollectOptionProperties(t, o));
-}
-
-/// AddOption - A function object wrapper for
-/// processOptionProperties. Used by CollectProperties and
-/// CollectPropertiesFromOptionList.
+/// AddOption - A function object that is applied to every option
+/// description. Used by CollectOptionDescriptions.
class AddOption {
private:
- GlobalOptionDescriptions& OptDescs_;
- ToolProperties* ToolProps_;
+ OptionDescriptions& OptDescs_;
public:
- explicit AddOption(GlobalOptionDescriptions& OD, ToolProperties* TP = 0)
- : OptDescs_(OD), ToolProps_(TP)
+ explicit AddOption(OptionDescriptions& OD) : OptDescs_(OD)
{}
void operator()(const Init* i) {
const DagInit& d = InitPtrToDag(i);
- checkNumberOfArguments(&d, 2);
+ checkNumberOfArguments(&d, 1);
const OptionType::OptionType Type =
- getOptionType(d.getOperator()->getAsString());
+ stringToOptionType(d.getOperator()->getAsString());
const std::string& Name = InitPtrToString(d.getArg(0));
- GlobalOptionDescription OD(Type, Name);
- if (Type != OptionType::Alias) {
- processOptionProperties(&d, ToolProps_, OD);
- if (ToolProps_) {
- ToolProps_->OptDescs[Name].Type = Type;
- ToolProps_->OptDescs[Name].Name = Name;
- }
- }
- else {
+ OptionDescription OD(Type, Name);
+
+ if (!OD.isExtern())
+ checkNumberOfArguments(&d, 2);
+
+ if (OD.isAlias()) {
+ // Aliases store the aliased option name in the 'Help' field.
OD.Help = InitPtrToString(d.getArg(1));
}
- OptDescs_.insertDescription(OD);
+ else if (!OD.isExtern()) {
+ processOptionProperties(&d, OD);
+ }
+ OptDescs_.InsertDescription(OD);
}
private:
- OptionType::OptionType getOptionType(const std::string& T) const {
- 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 + '!';
+ /// processOptionProperties - Go through the list of option
+ /// properties and call a corresponding handler for each.
+ static void processOptionProperties (const DagInit* d, OptionDescription& o) {
+ checkNumberOfArguments(d, 2);
+ DagInit::const_arg_iterator B = d->arg_begin();
+ // Skip the first argument: it's always the option name.
+ ++B;
+ std::for_each(B, d->arg_end(), CollectOptionProperties(o));
}
+
};
+/// CollectOptionDescriptions - Collects option properties from all
+/// OptionLists.
+void CollectOptionDescriptions (RecordVector::const_iterator B,
+ RecordVector::const_iterator E,
+ OptionDescriptions& OptDescs)
+{
+ // For every OptionList:
+ for (; B!=E; ++B) {
+ RecordVector::value_type T = *B;
+ // Throws an exception if the value does not exist.
+ ListInit* PropList = T->getValueAsListInit("options");
+
+ // For every option description in this list:
+ // collect the information and
+ std::for_each(PropList->begin(), PropList->end(), AddOption(OptDescs));
+ }
+}
-/// CollectProperties - Function object for iterating over a list of
-/// tool property records.
-class CollectProperties {
-private:
+// Tool information record
- // Implementation details
+namespace ToolFlags {
+ enum ToolFlags { Join = 0x1, Sink = 0x2 };
+}
- /// PropertyHandler - a function that extracts information
- /// about a given tool property from its DAG representation
- typedef void (CollectProperties::*PropertyHandler)(const DagInit*);
+struct ToolDescription : public RefCountedBase<ToolDescription> {
+ std::string Name;
+ Init* CmdLine;
+ Init* Actions;
+ StrVector InLanguage;
+ std::string OutLanguage;
+ std::string OutputSuffix;
+ unsigned Flags;
- /// PropertyHandlerMap - A map from property names to property
- /// handlers.
- typedef StringMap<PropertyHandler> PropertyHandlerMap;
+ // 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; }
- // Static maps from strings to CollectProperties methods("handlers")
- static PropertyHandlerMap propertyHandlers_;
- static bool staticMembersInitialized_;
+ // 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;
- /// This is where the information is stored
- /// toolProps_ - Properties of the current Tool.
- ToolProperties& toolProps_;
- /// optDescs_ - OptionDescriptions table (used to register options
- /// globally).
- GlobalOptionDescriptions& optDescs_;
+/// CollectToolProperties - Function object for iterating over a list of
+/// tool property records.
+class CollectToolProperties : public HandlerTable<CollectToolProperties> {
+private:
+
+ /// toolDesc_ - Properties of the current Tool. This is where the
+ /// information is stored.
+ ToolDescription& toolDesc_;
public:
- explicit CollectProperties (ToolProperties& p, GlobalOptionDescriptions& d)
- : toolProps_(p), optDescs_(d)
+ explicit CollectToolProperties (ToolDescription& d)
+ : HandlerTable<CollectToolProperties>(this) , toolDesc_(d)
{
if (!staticMembersInitialized_) {
- 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::addOption;
- propertyHandlers_["parameter_list_option"] =
- &CollectProperties::addOption;
- propertyHandlers_["prefix_option"] = &CollectProperties::addOption;
- propertyHandlers_["prefix_list_option"] =
- &CollectProperties::addOption;
- propertyHandlers_["sink"] = &CollectProperties::onSink;
- propertyHandlers_["switch_option"] = &CollectProperties::addOption;
- propertyHandlers_["alias_option"] = &CollectProperties::addOption;
- staticMembersInitialized_ = true;
- }
- }
-
- /// operator() - Gets called for every tool property; Just forwards
- /// to the corresponding property handler.
- void operator() (Init* i) {
- const DagInit& d = InitPtrToDag(i);
- const std::string& property_name = d.getOperator()->getAsString();
- PropertyHandlerMap::iterator method
- = propertyHandlers_.find(property_name);
+ 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);
- if (method != propertyHandlers_.end()) {
- PropertyHandler h = method->second;
- (this->*h)(&d);
- }
- else {
- throw "Unknown tool property: " + property_name + "!";
+ staticMembersInitialized_ = true;
}
}
/// 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) ||
+ static_cast<DagInit*>(Case)->getOperator()->getAsString() != "case")
+ throw
+ std::string("The argument to (actions) should be a 'case' construct!");
+ toolDesc_.Actions = Case;
+ }
+
void onCmdLine (const DagInit* d) {
checkNumberOfArguments(d, 1);
- toolProps_.CmdLine = d->getArg(0);
+ toolDesc_.CmdLine = d->getArg(0);
}
void onInLanguage (const DagInit* d) {
// Find out the argument's type.
if (typeid(*arg) == typeid(StringInit)) {
// It's a string.
- toolProps_.InLanguage.push_back(InitPtrToString(arg));
+ toolDesc_.InLanguage.push_back(InitPtrToString(arg));
}
else {
// It's a list.
const ListInit& lst = InitPtrToList(arg);
- StrVector& out = toolProps_.InLanguage;
+ StrVector& out = toolDesc_.InLanguage;
// Copy strings to the output vector.
for (ListInit::const_iterator B = lst.begin(), E = lst.end();
void onJoin (const DagInit* d) {
checkNumberOfArguments(d, 0);
- toolProps_.setJoin();
+ toolDesc_.setJoin();
}
void onOutLanguage (const DagInit* d) {
checkNumberOfArguments(d, 1);
- toolProps_.OutLanguage = InitPtrToString(d->getArg(0));
+ toolDesc_.OutLanguage = InitPtrToString(d->getArg(0));
}
void onOutputSuffix (const DagInit* d) {
checkNumberOfArguments(d, 1);
- toolProps_.OutputSuffix = InitPtrToString(d->getArg(0));
+ toolDesc_.OutputSuffix = InitPtrToString(d->getArg(0));
}
void onSink (const DagInit* d) {
checkNumberOfArguments(d, 0);
- optDescs_.HasSink = true;
- toolProps_.setSink();
- }
-
- // Just forwards to the AddOption function object. Somewhat
- // non-optimal, but avoids code duplication.
- void addOption (const DagInit* d) {
- checkNumberOfArguments(d, 2);
- AddOption(optDescs_, &toolProps_)(d);
+ toolDesc_.setSink();
}
};
-// Defintions of static members of CollectProperties.
-CollectProperties::PropertyHandlerMap CollectProperties::propertyHandlers_;
-bool CollectProperties::staticMembersInitialized_ = false;
-
-
-/// CollectToolProperties - Gather information about tool properties
+/// CollectToolDescriptions - Gather information about tool properties
/// 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)
+/// 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) {
- Record* T = *B;
+ const Record* T = *B;
// Throws an exception if the value does not exist.
ListInit* PropList = T->getValueAsListInit("properties");
- IntrusiveRefCntPtr<ToolProperties>
- ToolProps(new ToolProperties(T->getName()));
+ IntrusiveRefCntPtr<ToolDescription>
+ ToolDesc(new ToolDescription(T->getName()));
std::for_each(PropList->begin(), PropList->end(),
- CollectProperties(*ToolProps, OptDescs));
- TPList.push_back(ToolProps);
+ 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");
-/// CollectPropertiesFromOptionList - Gather information about
-/// *global* option properties from the OptionList.
-void CollectPropertiesFromOptionList (RecordVector::const_iterator B,
- RecordVector::const_iterator E,
- GlobalOptionDescriptions& OptDescs)
-{
- // Iterate over a properties list of every Tool definition
- for (;B!=E;++B) {
- RecordVector::value_type T = *B;
- // Throws an exception if the value does not exist.
- ListInit* PropList = T->getValueAsListInit("options");
+ for (unsigned i = 0; i < edges->size(); ++i)
+ Out.push_back(edges->getElementAsRecord(i));
+ }
+}
- std::for_each(PropList->begin(), PropList->end(), AddOption(OptDescs));
+/// CalculatePriority - Calculate the priority of this plugin.
+int CalculatePriority(RecordVector::const_iterator B,
+ RecordVector::const_iterator E) {
+ int total = 0;
+ for (; B!=E; ++B) {
+ total += static_cast<int>((*B)->getValueAsInt("priority"));
+ }
+ return total;
+}
+
+/// NotInGraph - Helper function object for FilterNotInGraph.
+struct NotInGraph {
+private:
+ 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 std::string("Edges back to the root are not allowed!");
+ }
+}
+
+/// WalkCase - Walks the 'case' expression DAG and invokes
+/// TestCallback on every test, and StatementCallback on every
+/// statement. Handles 'case' nesting, but not the 'and' and 'or'
+/// combinators.
+// TODO: Re-implement EmitCaseConstructHandler on top of this function?
+template <typename F1, typename F2>
+void WalkCase(Init* Case, F1 TestCallback, F2 StatementCallback) {
+ const DagInit& d = InitPtrToDag(Case);
+ bool even = false;
+ for (DagInit::const_arg_iterator B = d.arg_begin(), E = d.arg_end();
+ B != E; ++B) {
+ Init* arg = *B;
+ if (even && dynamic_cast<DagInit*>(arg)
+ && static_cast<DagInit*>(arg)->getOperator()->getAsString() == "case")
+ WalkCase(arg, TestCallback, StatementCallback);
+ else if (!even)
+ TestCallback(arg);
+ else
+ StatementCallback(arg);
+ 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 = Stmt.getOperator()->getAsString();
+ if (ActionName == "forward" || ActionName == "forward_as" ||
+ ActionName == "unpack_values" || 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);
+ }
+ }
+};
+
/// CheckForSuperfluousOptions - Check that there are no side
/// effect-free options (specified only in the OptionList). Otherwise,
/// output a warning.
-void CheckForSuperfluousOptions (const ToolPropertiesList& TPList,
- const GlobalOptionDescriptions& OptDescs) {
+void CheckForSuperfluousOptions (const RecordVector& Edges,
+ const ToolDescriptions& ToolDescs,
+ const OptionDescriptions& OptDescs) {
llvm::StringSet<> nonSuperfluousOptions;
- // Add all options mentioned in the TPList to the set of
+ // Add all options mentioned in the ToolDesc.Actions to the set of
// non-superfluous options.
- for (ToolPropertiesList::const_iterator B = TPList.begin(),
- E = TPList.end(); B != E; ++B) {
- const ToolProperties& TP = *(*B);
- for (ToolOptionDescriptions::const_iterator B = TP.OptDescs.begin(),
- E = TP.OptDescs.end(); B != E; ++B) {
- nonSuperfluousOptions.insert(B->first());
- }
+ 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 (GlobalOptionDescriptions::const_iterator B = OptDescs.begin(),
+ for (OptionDescriptions::const_iterator B = OptDescs.begin(),
E = OptDescs.end(); B != E; ++B) {
- const GlobalOptionDescription& Val = B->second;
+ const OptionDescription& Val = B->second;
if (!nonSuperfluousOptions.count(Val.Name)
&& Val.Type != OptionType::Alias)
- cerr << "Warning: option '-" << Val.Name << "' has no effect! "
+ llvm::errs() << "Warning: option '-" << Val.Name << "' has no effect! "
"Probable cause: this option is specified only in the OptionList.\n";
}
}
/// EmitCaseConstructHandler.
bool EmitCaseTest1Arg(const std::string& TestName,
const DagInit& d,
- const GlobalOptionDescriptions& OptDescs,
- std::ostream& O) {
+ const OptionDescriptions& OptDescs,
+ raw_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!";
+ const OptionDescription& OptDesc = OptDescs.FindOption(OptName);
+ if (!OptDesc.isSwitch())
+ throw OptName + ": incorrect option type - should be a switch!";
O << OptDesc.GenVariableName();
return true;
} else if (TestName == "input_languages_contain") {
// TODO: make this work with Edge::Weight (if possible).
O << "LangMap.GetLanguage(inFile) == \"" << OptName << '\"';
return true;
- } else if (TestName == "not_empty") {
+ } else if (TestName == "not_empty" || TestName == "empty") {
+ const char* Test = (TestName == "empty") ? "" : "!";
+
if (OptName == "o") {
- O << "!OutputFilename.empty()";
+ O << Test << "OutputFilename.empty()";
return true;
}
else {
- const GlobalOptionDescription& OptDesc = OptDescs.FindOption(OptName);
- if (OptDesc.Type == OptionType::Switch)
- throw OptName + ": incorrect option type!";
- O << '!' << OptDesc.GenVariableName() << ".empty()";
+ const OptionDescription& OptDesc = OptDescs.FindOption(OptName);
+ if (OptDesc.isSwitch())
+ throw OptName
+ + ": incorrect option type - should be a list or parameter!";
+ O << Test << OptDesc.GenVariableName() << ".empty()";
return true;
}
}
/// EmitCaseConstructHandler.
bool EmitCaseTest2Args(const std::string& TestName,
const DagInit& d,
- const char* IndentLevel,
- const GlobalOptionDescriptions& OptDescs,
- std::ostream& O) {
+ 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);
+ const OptionDescription& OptDesc = OptDescs.FindOption(OptName);
if (TestName == "parameter_equals") {
- if (OptDesc.Type != OptionType::Parameter
- && OptDesc.Type != OptionType::Prefix)
- throw OptName + ": incorrect option type!";
+ if (!OptDesc.isParameter())
+ throw OptName + ": incorrect option type - should be a parameter!";
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!";
+ if (!OptDesc.isList())
+ throw OptName + ": incorrect option type - should be a list!";
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 = 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) {
+void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
+ const OptionDescriptions& OptDescs,
+ raw_ostream& O) {
const std::string& TestName = d.getOperator()->getAsString();
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 (EmitCaseTest1Arg(TestName, d, OptDescs, O))
return;
else if (EmitCaseTest2Args(TestName, d, IndentLevel, OptDescs, O))
// 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).
+// void F(Init* Statement, unsigned IndentLevel, raw_ostream& O).
template <typename F>
-void EmitCaseConstructHandler(const DagInit* d, const char* IndentLevel,
+void EmitCaseConstructHandler(const Init* Dag, unsigned IndentLevel,
F Callback, bool EmitElseIf,
- const GlobalOptionDescriptions& OptDescs,
- std::ostream& O) {
- assert(d->getOperator()->getAsString() == "case");
+ const OptionDescriptions& OptDescs,
+ raw_ostream& O) {
+ const DagInit* d = &InitPtrToDag(Dag);
+ if (d->getOperator()->getAsString() != "case")
+ throw std::string("EmitCaseConstructHandler should be invoked"
+ " only on 'case' expressions!");
unsigned numArgs = d->getNumArgs();
if (d->getNumArgs() < 2)
if (i+2 != numArgs)
throw std::string("The 'default' clause should be the last in the"
"'case' construct!");
- O << IndentLevel << "else {\n";
+ O.indent(IndentLevel) << "else {\n";
}
else {
- O << IndentLevel << ((i != 0 && EmitElseIf) ? "else if (" : "if (");
+ O.indent(IndentLevel) << ((i != 0 && EmitElseIf) ? "else if (" : "if (");
EmitCaseTest(Test, IndentLevel, OptDescs, O);
O << ") {\n";
}
"found for the test " + Test.getAsString() + '!';
Init* arg = d->getArg(i);
- if (dynamic_cast<DagInit*>(arg)
- && static_cast<DagInit*>(arg)->getOperator()->getAsString() == "case") {
- EmitCaseConstructHandler(static_cast<DagInit*>(arg),
- (std::string(IndentLevel) + Indent1).c_str(),
+ const DagInit* nd = dynamic_cast<DagInit*>(arg);
+ if (nd && (nd->getOperator()->getAsString() == "case")) {
+ // Handle the nested 'case'.
+ EmitCaseConstructHandler(nd, (IndentLevel + Indent1),
Callback, EmitElseIf, OptDescs, O);
}
else {
- Callback(arg, IndentLevel, O);
+ Callback(arg, (IndentLevel + Indent1), O);
}
- O << IndentLevel << "}\n";
+ O.indent(IndentLevel) << "}\n";
}
}
-/// EmitForwardOptionPropertyHandlingCode - Helper function used to
-/// implement EmitOptionPropertyHandlingCode(). Emits code for
-/// handling the (forward) and (forward_as) option properties.
-void EmitForwardOptionPropertyHandlingCode (const ToolOptionDescription& D,
- const std::string& NewName,
- std::ostream& O) {
- const std::string& Name = NewName.empty()
- ? ("-" + D.Name)
- : NewName;
+/// TokenizeCmdline - converts from "$CALL(HookName, 'Arg1', 'Arg2')/path" to
+/// ["$CALL(", "HookName", "Arg1", "Arg2", ")/path"] .
+/// Helper function used by EmitCmdLineVecFill and.
+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;
- switch (D.Type) {
- case OptionType::Switch:
- O << Indent3 << "vec.push_back(\"" << Name << "\");\n";
- break;
- case OptionType::Parameter:
- O << Indent3 << "vec.push_back(\"" << Name << "\");\n";
- O << Indent3 << "vec.push_back(" << D.GenVariableName() << ");\n";
- break;
- case OptionType::Prefix:
- O << Indent3 << "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(\"" << Name << "\" + "
- << "*B);\n";
- break;
- case OptionType::ParameterList:
- O << Indent3 << "for (" << D.GenTypeDeclaration()
- << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
- << Indent3 << "E = " << D.GenVariableName()
- << ".end() ; B != E; ++B) {\n"
- << Indent4 << "vec.push_back(\"" << Name << "\");\n"
- << Indent4 << "vec.push_back(*B);\n"
- << Indent3 << "}\n";
- break;
- case OptionType::Alias:
- default:
- throw std::string("Aliases are not allowed in tool option descriptions!");
- }
-}
+ if (CmdLine.empty())
+ return;
+ Out.push_back("");
-// ToolOptionHasInterestingProperties - A helper function used by
-// EmitOptionPropertyHandlingCode() that tells us whether we should
-// emit any property handling code at all.
-bool ToolOptionHasInterestingProperties(const ToolOptionDescription& D) {
- bool ret = false;
- for (OptionPropertyList::const_iterator B = D.Props.begin(),
- E = D.Props.end(); B != E; ++B) {
- const OptionProperty& OptProp = *B;
- if (OptProp.first == OptionPropertyType::AppendCmd
- || OptProp.first == OptionPropertyType::ForwardAs)
- ret = true;
- }
- if (D.isForward() || D.isUnpackValues())
- ret = true;
- return ret;
-}
+ std::string::size_type B = CmdLine.find_first_not_of(Delimiters),
+ E = CmdLine.size();
-/// EmitOptionPropertyHandlingCode - Helper function used by
-/// EmitGenerateActionMethod(). Emits code that handles option
-/// properties.
-void EmitOptionPropertyHandlingCode (const ToolOptionDescription& D,
- std::ostream& O)
-{
- 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()";
+ for (; B != E; ++B) {
+ char cur_ch = CmdLine[B];
- O <<") {\n";
+ 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;
- // 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;
- switch (val.first) {
- // (append_cmd cmd) property
- case OptionPropertyType::AppendCmd:
- O << Indent3 << "vec.push_back(\"" << val.second << "\");\n";
- break;
- // (forward_as) property
- case OptionPropertyType::ForwardAs:
- EmitForwardOptionPropertyHandlingCode(D, val.second, O);
- break;
- // Other properties with argument
- default:
+ 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;
- }
- }
- // Handle flags
+ 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;
+ }
- // (forward) property
- if (D.isForward())
- EmitForwardOptionPropertyHandlingCode(D, "", O);
+ break;
- // (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";
- }
- else {
- throw std::string("Switches can't have unpack_values property!");
+ case InsideQuotationMarks:
+ if (cur_ch == '\'') {
+ cur_st = InsideSpecialCommand;
+ continue;
+ }
+ break;
}
- }
- // End of the if-clause.
- O << Indent2 << "}\n";
+ Out.back().push_back(cur_ch);
+ }
}
/// SubstituteSpecialCommands - Perform string substitution for $CALL
/// and $ENV. Helper function used by EmitCmdLineVecFill().
-std::string SubstituteSpecialCommands(const std::string& cmd) {
- size_t cparen = cmd.find(")");
- std::string ret;
+StrVector::const_iterator SubstituteSpecialCommands
+(StrVector::const_iterator Pos, StrVector::const_iterator End, raw_ostream& O)
+{
- if (cmd.find("$CALL(") == 0) {
- if (cmd.size() == 6)
+ const std::string& cmd = *Pos;
+
+ if (cmd == "$CALL") {
+ checkedIncrement(Pos, End, "Syntax error in $CALL invocation!");
+ const std::string& CmdName = *Pos;
+
+ if (CmdName == ")")
throw std::string("$CALL invocation: empty argument list!");
- ret += "hooks::";
- ret += std::string(cmd.begin() + 6, cmd.begin() + cparen);
- ret += "()";
+ O << "hooks::";
+ O << CmdName << "(";
+
+
+ bool firstIteration = true;
+ while (true) {
+ checkedIncrement(Pos, End, "Syntax error in $CALL invocation!");
+ const std::string& Arg = *Pos;
+ assert(Arg.size() != 0);
+
+ if (Arg[0] == ')')
+ break;
+
+ if (firstIteration)
+ firstIteration = false;
+ else
+ O << ", ";
+
+ O << '"' << Arg << '"';
+ }
+
+ O << ')';
+
}
- else if (cmd.find("$ENV(") == 0) {
- if (cmd.size() == 5)
- throw std::string("$ENV invocation: empty argument list!");
+ else if (cmd == "$ENV") {
+ checkedIncrement(Pos, End, "Syntax error in $ENV invocation!");
+ const std::string& EnvName = *Pos;
+
+ if (EnvName == ")")
+ throw "$ENV invocation: empty argument list!";
- ret += "std::getenv(\"";
- ret += std::string(cmd.begin() + 5, cmd.begin() + cparen);
- ret += "\")";
+ O << "checkCString(std::getenv(\"";
+ O << EnvName;
+ O << "\"))";
+
+ checkedIncrement(Pos, End, "Syntax error in $ENV invocation!");
}
else {
throw "Unknown special command: " + cmd;
}
- if (cmd.begin() + cparen + 1 != cmd.end()) {
- ret += " + std::string(\"";
- ret += (cmd.c_str() + cparen + 1);
- ret += "\")";
- }
+ const std::string& Leftover = *Pos;
+ assert(Leftover.at(0) == ')');
+ if (Leftover.size() != 1)
+ O << " + std::string(\"" << (Leftover.c_str() + 1) << "\")";
- return ret;
+ return Pos;
}
/// EmitCmdLineVecFill - Emit code that fills in the command line
/// vector. Helper function used by EmitGenerateActionMethod().
void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
- bool Version, const char* IndentLevel,
- std::ostream& O) {
+ bool IsJoin, unsigned IndentLevel,
+ raw_ostream& O) {
StrVector StrVec;
- SplitString(InitPtrToString(CmdLine), StrVec);
+ TokenizeCmdline(InitPtrToString(CmdLine), StrVec);
+
if (StrVec.empty())
- throw "Tool " + ToolName + " has empty command line!";
+ throw "Tool '" + ToolName + "' has empty command line!";
+
+ StrVector::const_iterator I = StrVec.begin(), E = StrVec.end();
+
+ // If there is a hook invocation on the place of the first command, skip it.
+ assert(!StrVec[0].empty());
+ if (StrVec[0][0] == '$') {
+ while (I != E && (*I)[0] != ')' )
+ ++I;
+
+ // Skip the ')' symbol.
+ ++I;
+ }
+ else {
+ ++I;
+ }
- StrVector::const_iterator I = StrVec.begin();
- ++I;
- for (StrVector::const_iterator E = StrVec.end(); I != E; ++I) {
+ for (; I != E; ++I) {
const std::string& cmd = *I;
- O << IndentLevel;
+ assert(!cmd.empty());
+ O.indent(IndentLevel);
if (cmd.at(0) == '$') {
if (cmd == "$INFILE") {
- if (Version)
+ if (IsJoin) {
O << "for (PathVector::const_iterator B = inFiles.begin()"
- << ", E = inFiles.end();\n"
- << IndentLevel << "B != E; ++B)\n"
- << IndentLevel << Indent1 << "vec.push_back(B->toString());\n";
- else
- O << "vec.push_back(inFile.toString());\n";
+ << ", 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 == "$OUTFILE") {
- O << "vec.push_back(outFile.toString());\n";
+ O << "vec.push_back(out_file);\n";
}
else {
- O << "vec.push_back(" << SubstituteSpecialCommands(cmd);
+ O << "vec.push_back(";
+ I = SubstituteSpecialCommands(I, E, O);
O << ");\n";
}
}
O << "vec.push_back(\"" << cmd << "\");\n";
}
}
- O << IndentLevel << "cmd = "
- << ((StrVec[0][0] == '$') ? SubstituteSpecialCommands(StrVec[0])
- : "\"" + StrVec[0] + "\"")
- << ";\n";
+ O.indent(IndentLevel) << "cmd = ";
+
+ if (StrVec[0][0] == '$')
+ SubstituteSpecialCommands(StrVec.begin(), StrVec.end(), 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 Version;
+ bool IsJoin;
const std::string& ToolName;
public:
- EmitCmdLineVecFillCallback(bool Ver, const std::string& TN)
- : Version(Ver), ToolName(TN) {}
+ 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 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.indent(IndentLevel) << "vec.push_back(\"" << Name << "\");\n";
+ break;
+ case OptionType::Parameter:
+ O.indent(IndentLevel) << "vec.push_back(\"" << Name << "\");\n";
+ O.indent(IndentLevel) << "vec.push_back(" << D.GenVariableName() << ");\n";
+ break;
+ case OptionType::Prefix:
+ O.indent(IndentLevel) << "vec.push_back(\"" << Name << "\" + "
+ << D.GenVariableName() << ");\n";
+ break;
+ case OptionType::PrefixList:
+ O.indent(IndentLevel)
+ << "for (" << D.GenTypeDeclaration()
+ << "::iterator B = " << D.GenVariableName() << ".begin(),\n";
+ O.indent(IndentLevel)
+ << "E = " << D.GenVariableName() << ".end(); B != E;) {\n";
+ O.indent(IndentLevel1) << "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.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 std::string("Aliases are not allowed in tool option descriptions!");
+ }
+}
+
+/// EmitActionHandler - Emit code that handles actions. Used by
+/// EmitGenerateActionMethod() as an argument to
+/// EmitCaseConstructHandler().
+class EmitActionHandler {
+ const OptionDescriptions& OptDescs;
+
+ void processActionDag(const Init* Statement, unsigned IndentLevel,
+ raw_ostream& O) const
+ {
+ const DagInit& Dag = InitPtrToDag(Statement);
+ const std::string& ActionName = Dag.getOperator()->getAsString();
+
+ if (ActionName == "append_cmd") {
+ checkNumberOfArguments(&Dag, 1);
+ const std::string& Cmd = InitPtrToString(Dag.getArg(0));
+ StrVector Out;
+ llvm::SplitString(Cmd, Out);
+
+ for (StrVector::const_iterator B = Out.begin(), E = Out.end();
+ B != E; ++B)
+ O.indent(IndentLevel) << "vec.push_back(\"" << *B << "\");\n";
+ }
+ else if (ActionName == "error") {
+ O.indent(IndentLevel) << "throw std::runtime_error(\"" <<
+ (Dag.getNumArgs() >= 1 ? InitPtrToString(Dag.getArg(0))
+ : "Unknown error!")
+ << "\");\n";
+ }
+ else if (ActionName == "forward") {
+ checkNumberOfArguments(&Dag, 1);
+ const std::string& Name = InitPtrToString(Dag.getArg(0));
+ EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
+ IndentLevel, "", O);
+ }
+ else if (ActionName == "forward_as") {
+ checkNumberOfArguments(&Dag, 2);
+ const std::string& Name = InitPtrToString(Dag.getArg(0));
+ const std::string& NewName = InitPtrToString(Dag.getArg(1));
+ EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
+ IndentLevel, NewName, O);
+ }
+ else if (ActionName == "output_suffix") {
+ checkNumberOfArguments(&Dag, 1);
+ const std::string& OutSuf = InitPtrToString(Dag.getArg(0));
+ O.indent(IndentLevel) << "output_suffix = \"" << OutSuf << "\";\n";
+ }
+ else if (ActionName == "stop_compilation") {
+ O.indent(IndentLevel) << "stop_compilation = true;\n";
+ }
+ else if (ActionName == "unpack_values") {
+ checkNumberOfArguments(&Dag, 1);
+ const std::string& Name = InitPtrToString(Dag.getArg(0));
+ const OptionDescription& D = OptDescs.FindOption(Name);
+
+ if (D.isMultiVal())
+ throw std::string("Can't use unpack_values with multi-valued options!");
+
+ if (D.isList()) {
+ O.indent(IndentLevel)
+ << "for (" << D.GenTypeDeclaration()
+ << "::iterator B = " << D.GenVariableName() << ".begin(),\n";
+ O.indent(IndentLevel)
+ << "E = " << D.GenVariableName() << ".end(); B != E; ++B)\n";
+ O.indent(IndentLevel + Indent1)
+ << "llvm::SplitString(*B, vec, \",\");\n";
+ }
+ else if (D.isParameter()){
+ O.indent(IndentLevel) << "llvm::SplitString("
+ << D.GenVariableName() << ", vec, \",\");\n";
+ }
+ else {
+ throw "Option '" + D.Name +
+ "': switches can't have the 'unpack_values' property!";
+ }
+ }
+ else {
+ throw "Unknown action name: " + ActionName + "!";
+ }
+ }
+ public:
+ EmitActionHandler(const OptionDescriptions& OD)
+ : OptDescs(OD) {}
- void operator()(const Init* Statement, const char* IndentLevel,
- std::ostream& O) const
+ void operator()(const Init* Statement, unsigned IndentLevel,
+ raw_ostream& O) const
{
- EmitCmdLineVecFill(Statement, ToolName, Version,
- (std::string(IndentLevel) + Indent1).c_str(), O);
+ if (typeid(*Statement) == typeid(ListInit)) {
+ const ListInit& DagList = *static_cast<const ListInit*>(Statement);
+ for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
+ B != E; ++B)
+ this->processActionDag(*B, IndentLevel, O);
+ }
+ else {
+ this->processActionDag(Statement, IndentLevel, O);
+ }
}
};
// 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";
+void EmitGenerateActionMethod (const ToolDescription& D,
+ const OptionDescriptions& OptDescs,
+ bool IsJoin, raw_ostream& O) {
+ if (IsJoin)
+ O.indent(Indent1) << "Action GenerateAction(const PathVector& inFiles,\n";
else
- O << Indent1 << "Action GenerateAction(const sys::Path& inFile,\n";
+ 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";
+ O.indent(Indent2) << "std::string out_file;\n\n";
+
+ // For every understood option, emit handling code.
+ if (D.Actions)
+ EmitCaseConstructHandler(D.Actions, Indent2, EmitActionHandler(OptDescs),
+ false, OptDescs, O);
- O << Indent2 << "const sys::Path& outFile,\n"
- << Indent2 << "const InputLanguagesSet& InLangs,\n"
- << Indent2 << "const LanguageMap& LangMap) const\n"
- << Indent1 << "{\n"
- << Indent2 << "const char* cmd;\n"
- << Indent2 << "std::vector<std::string> vec;\n";
+ O << '\n';
+ O.indent(Indent2)
+ << "out_file = OutFilename(" << (IsJoin ? "sys::Path(),\n" : "inFile,\n");
+ O.indent(Indent3) << "TempDir, stop_compilation, output_suffix).str();\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);
+ if (!D.CmdLine)
+ throw "Tool " + D.Name + " has no cmd_line property!";
+ else if (typeid(*D.CmdLine) == typeid(StringInit))
+ EmitCmdLineVecFill(D.CmdLine, D.Name, IsJoin, Indent2, O);
else
- EmitCaseConstructHandler(&InitPtrToDag(P.CmdLine), Indent2,
- EmitCmdLineVecFillCallback(Version, P.Name),
+ 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);
- }
-
// 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 Action(cmd, vec);\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,\n"
- << Indent2 << "const LanguageMap& LangMap) 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** InputLanguages() const {\n"
- << Indent2 << "return InputLanguages_;\n"
- << Indent1 << "}\n\n";
-
- O << Indent1 << "const char* OutputLanguage() const {\n"
- << Indent2 << "return \"" << P.OutLanguage << "\";\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";
-/// 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 << "const char* ret = \"" << P.OutputSuffix << "\";\n";
-
- for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(),
- E = P.OptDescs.end(); B != E; ++B) {
- const ToolOptionDescription& OptDesc = B->second;
- for (OptionPropertyList::const_iterator B = OptDesc.Props.begin(),
- E = OptDesc.Props.end(); B != E; ++B) {
- const OptionProperty& OptProp = *B;
- if (OptProp.first == OptionPropertyType::OutputSuffix) {
- O << Indent2 << "if (" << OptDesc.GenVariableName() << ")\n"
- << Indent3 << "ret = \"" << OptProp.second << "\";\n";
- }
- }
- }
+ if (D.OutLanguage.empty())
+ throw "Tool " + D.Name + " has no 'out_language' property!";
- O << Indent2 << "return ret;\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 ToolProperties& P, std::ostream& O) {
- O << "const char* " << P.Name << "::InputLanguages_[] = {";
- for (StrVector::const_iterator B = P.InLanguage.begin(),
- E = P.InLanguage.end(); B != E; ++B)
+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 << "{\nprivate:\n"
- << Indent1 << "static const char* InputLanguages_[];\n\n";
+ O << "{\nprivate:\n";
+ O.indent(Indent1) << "static const char* InputLanguages_[];\n\n";
O << "public:\n";
- EmitNameMethod(P, O);
- EmitInOutLanguageMethods(P, O);
- EmitOutputSuffixMethod(P, O);
- EmitIsJoinMethod(P, O);
- EmitGenerateActionMethods(P, OptDescs, O);
- EmitIsLastMethod(P, O);
+ EmitNameMethod(D, O);
+ EmitInOutLanguageMethods(D, O);
+ EmitIsJoinMethod(D, O);
+ EmitGenerateActionMethods(D, OptDescs, O);
// Close class definition
O << "};\n";
- EmitStaticMemberDefinitions(P, O);
+ 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)
{
- std::vector<GlobalOptionDescription> Aliases;
+ std::vector<OptionDescription> Aliases;
// Emit static cl::Option variables.
- for (GlobalOptionDescriptions::const_iterator B = descs.begin(),
+ 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.isZeroOrOne() && val.isList()) {
+ O << ", cl::ZeroOrOne";
+ }
+
+ if (val.isReallyHidden()) {
+ O << ", cl::ReallyHidden";
+ }
+ else if (val.isHidden()) {
+ O << ", cl::Hidden";
+ }
+
+ if (val.MultiVal > 1)
+ O << ", cl::multi_val(" << val.MultiVal << ')';
+
+ if (val.InitVal) {
+ const std::string& str = val.InitVal->getAsString();
+ O << ", cl::init(" << str << ')';
}
if (!val.Help.empty())
O << ", cl::desc(\"" << val.Help << "\")";
- O << ");\n";
+ O << ");\n\n";
}
// Emit the aliases (they should go after all the 'proper' options).
- for (std::vector<GlobalOptionDescription>::const_iterator
+ for (std::vector<OptionDescription>::const_iterator
B = Aliases.begin(), E = Aliases.end(); B != E; ++B) {
- const GlobalOptionDescription& val = *B;
+ const OptionDescription& val = *B;
O << val.GenTypeDeclaration() << ' '
<< val.GenVariableName()
<< "(\"" << val.Name << '\"';
- GlobalOptionDescriptions::container_type
- ::const_iterator F = descs.Descriptions.find(val.Help);
- if (F != descs.Descriptions.end())
- O << ", cl::aliasopt(" << F->second.GenVariableName() << ")";
- else
- throw val.Name + ": alias to an unknown option!";
+ const OptionDescription& D = descs.FindOption(val.Help);
+ O << ", cl::aliasopt(" << D.GenVariableName() << ")";
O << ", cl::desc(\"" << "An alias for -" + val.Help << "\"));\n";
}
// Emit the sink option.
- if (descs.HasSink)
- O << "cl::list<std::string> " << SinkOptionName << "(cl::Sink);\n";
+ 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)
+void EmitPopulateLanguageMap (const RecordKeeper& Records, raw_ostream& O)
{
- // Get the relevant field out of RecordKeeper
- Record* LangMapRecord = Records.getDef("LanguageMap");
- if (!LangMapRecord)
- throw std::string("Language map definition not found!");
-
- ListInit* LangsToSuffixesList = LangMapRecord->getValueAsListInit("map");
- if (!LangsToSuffixesList)
- throw std::string("Error in the language map definition!");
-
// Generate code
- O << "namespace {\n\n";
O << "void PopulateLanguageMapLocal(LanguageMap& langMap) {\n";
- for (unsigned i = 0; i < LangsToSuffixesList->size(); ++i) {
- 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 << Indent1 << "langMap[\""
- << InitPtrToString(Suffixes->getElement(i))
- << "\"] = \"" << Lang << "\";\n";
- }
+ // Get the relevant field out of RecordKeeper
+ const Record* LangMapRecord = Records.getDef("LanguageMap");
- O << "}\n\n}\n\n";
-}
+ // It is allowed for a plugin to have no language map.
+ if (LangMapRecord) {
-/// FillInToolToLang - Fills in two tables that map tool names to
-/// (input, output) languages. Used by the typechecker.
-void FillInToolToLang (const ToolPropertiesList& TPList,
- StringMap<StringSet<> >& ToolToInLang,
- StringMap<std::string>& ToolToOutLang) {
- for (ToolPropertiesList::const_iterator B = TPList.begin(), E = TPList.end();
- B != E; ++B) {
- const ToolProperties& P = *(*B);
- for (StrVector::const_iterator B = P.InLanguage.begin(),
- E = P.InLanguage.end(); B != E; ++B)
- ToolToInLang[P.Name].insert(*B);
- ToolToOutLang[P.Name] = P.OutLanguage;
- }
-}
+ ListInit* LangsToSuffixesList = LangMapRecord->getValueAsListInit("map");
+ if (!LangsToSuffixesList)
+ throw std::string("Error in the language map definition!");
-/// TypecheckGraph - Check that names for output and input languages
-/// on all edges do match.
-// TOFIX: It would be nice if this function also checked for cycles
-// and multiple default edges in the graph (better error
-// reporting). Unfortunately, it is awkward to do right now because
-// our intermediate representation is not sufficiently
-// sophisticated. Algorithms like these require a real graph instead of
-// an AST.
-void TypecheckGraph (Record* CompilationGraph,
- const ToolPropertiesList& TPList) {
- StringMap<StringSet<> > ToolToInLang;
- StringMap<std::string> ToolToOutLang;
+ for (unsigned i = 0; i < LangsToSuffixesList->size(); ++i) {
+ const Record* LangToSuffixes = LangsToSuffixesList->getElementAsRecord(i);
- FillInToolToLang(TPList, ToolToInLang, ToolToOutLang);
- ListInit* edges = CompilationGraph->getValueAsListInit("edges");
- StringMap<std::string>::iterator IAE = ToolToOutLang.end();
- StringMap<StringSet<> >::iterator IBE = ToolToInLang.end();
+ const std::string& Lang = LangToSuffixes->getValueAsString("lang");
+ const ListInit* Suffixes = LangToSuffixes->getValueAsListInit("suffixes");
- 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<StringSet<> >::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" && IB->second.count(IA->second) == 0)
- 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!");
+ for (unsigned i = 0; i < Suffixes->size(); ++i)
+ O.indent(Indent1) << "langMap[\""
+ << InitPtrToString(Suffixes->getElement(i))
+ << "\"] = \"" << Lang << "\";\n";
+ }
}
+
+ O << "}\n\n";
}
/// IncDecWeight - Helper function passed to EmitCaseConstructHandler()
/// by EmitEdgeClass().
-void IncDecWeight (const Init* i, const char* IndentLevel,
- std::ostream& O) {
+void IncDecWeight (const Init* i, unsigned IndentLevel,
+ raw_ostream& O) {
const DagInit& d = InitPtrToDag(i);
const std::string& OpName = d.getOperator()->getAsString();
- if (OpName == "inc_weight")
- O << IndentLevel << Indent1 << "ret += ";
- else if (OpName == "dec_weight")
- O << IndentLevel << Indent1 << "ret -= ";
+ if (OpName == "inc_weight") {
+ O.indent(IndentLevel) << "ret += ";
+ }
+ else if (OpName == "dec_weight") {
+ O.indent(IndentLevel) << "ret -= ";
+ }
+ else if (OpName == "error") {
+ O.indent(IndentLevel)
+ << "throw std::runtime_error(\"" <<
+ (d.getNumArgs() >= 1 ? InitPtrToString(d.getArg(0))
+ : "Unknown error!")
+ << "\");\n";
+ return;
+ }
+
else
- throw "Unknown operator in edge properties list: " + OpName + '!';
+ 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, false, OptDescs, O);
- O << Indent2 << "return ret;\n"
- << Indent1 << "};\n\n};\n\n";
+ O.indent(Indent2) << "return ret;\n";
+ O.indent(Indent1) << "};\n\n};\n\n";
}
/// EmitEdgeClasses - Emit Edge* classes that represent graph edges.
-void EmitEdgeClasses (Record* CompilationGraph,
- const GlobalOptionDescriptions& OptDescs,
- std::ostream& O) {
- ListInit* edges = CompilationGraph->getValueAsListInit("edges");
-
- for (unsigned i = 0; i < edges->size(); ++i) {
- Record* Edge = edges->getElementAsRecord(i);
- Record* B = Edge->getValueAsDef("b");
+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))
- continue;
-
- EmitEdgeClass(i, B->getName(), Weight, OptDescs, O);
+ if (!isDagEmpty(Weight))
+ EmitEdgeClass(i, NodeB, Weight, OptDescs, O);
+ ++i;
}
}
/// EmitPopulateCompilationGraph - Emit the PopulateCompilationGraph()
/// function.
-void EmitPopulateCompilationGraph (Record* CompilationGraph,
- std::ostream& O)
+void EmitPopulateCompilationGraph (const RecordVector& EdgeVector,
+ const ToolDescriptions& ToolDescs,
+ raw_ostream& O)
{
- ListInit* edges = CompilationGraph->getValueAsListInit("edges");
-
- // Generate code
- O << "namespace {\n\n";
O << "void PopulateCompilationGraphLocal(CompilationGraph& G) {\n";
- // Insert vertices
-
- RecordVector Tools = Records.getAllDerivedDefinitions("Tool");
- if (Tools.empty())
- throw std::string("No tool definitions found!");
-
- 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";
- }
+ 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* A = Edge->getValueAsDef("a");
- Record* B = Edge->getValueAsDef("b");
+ // Insert edges.
+
+ 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 << Indent1 << "G.insertEdge(\"" << A->getName() << "\", ";
+ O.indent(Indent1) << "G.insertEdge(\"" << NodeA << "\", ";
if (isDagEmpty(Weight))
- O << "new SimpleEdge(\"" << B->getName() << "\")";
+ O << "new SimpleEdge(\"" << NodeB << "\")";
else
O << "new Edge" << i << "()";
O << ");\n";
+ ++i;
}
- O << "}\n\n}\n\n";
+ O << "}\n\n";
}
/// ExtractHookNames - Extract the hook names from all instances of
/// $CALL(HookName) in the provided command line string. Helper
/// function used by FillInHookNames().
-void ExtractHookNames(const Init* CmdLine, StrVector& HookNames) {
- StrVector cmds;
- llvm::SplitString(InitPtrToString(CmdLine), cmds);
- for (StrVector::const_iterator B = cmds.begin(), E = cmds.end();
- B != E; ++B) {
- const std::string& cmd = *B;
- if (cmd.find("$CALL(") == 0) {
- if (cmd.size() == 6)
- throw std::string("$CALL invocation: empty argument list!");
- HookNames.push_back(std::string(cmd.begin() + 6,
- cmd.begin() + cmd.find(")")));
- }
- }
-}
+class ExtractHookNames {
+ llvm::StringMap<unsigned>& HookNames_;
+public:
+ ExtractHookNames(llvm::StringMap<unsigned>& HookNames)
+ : HookNames_(HookNames) {}
-/// ExtractHookNamesFromCaseConstruct - Extract hook names from the
-/// 'case' expression, handle nesting. Helper function used by
-/// FillInHookNames().
-void ExtractHookNamesFromCaseConstruct(Init* Case, StrVector& HookNames) {
- const DagInit& d = InitPtrToDag(Case);
- bool even = false;
- for (DagInit::const_arg_iterator B = d.arg_begin(), E = d.arg_end();
- B != E; ++B) {
- Init* arg = *B;
- if (even && dynamic_cast<DagInit*>(arg)
- && static_cast<DagInit*>(arg)->getOperator()->getAsString() == "case")
- ExtractHookNamesFromCaseConstruct(arg, HookNames);
- else if (even)
- ExtractHookNames(arg, HookNames);
- even = !even;
+ void operator()(const Init* CmdLine) {
+ StrVector cmds;
+ TokenizeCmdline(InitPtrToString(CmdLine), cmds);
+ for (StrVector::const_iterator B = cmds.begin(), E = cmds.end();
+ B != E; ++B) {
+ const std::string& cmd = *B;
+
+ if (cmd == "$CALL") {
+ unsigned NumArgs = 0;
+ checkedIncrement(B, E, "Syntax error in $CALL invocation!");
+ const std::string& HookName = *B;
+
+
+ if (HookName.at(0) == ')')
+ throw "$CALL invoked with no arguments!";
+
+ while (++B != E && B->at(0) != ')') {
+ ++NumArgs;
+ }
+
+ StringMap<unsigned>::const_iterator H = HookNames_.find(HookName);
+
+ if (H != HookNames_.end() && H->second != NumArgs)
+ throw "Overloading of hooks is not allowed. Overloaded hook: "
+ + HookName;
+ else
+ HookNames_[HookName] = NumArgs;
+
+ }
+ }
}
-}
+};
/// FillInHookNames - Actually extract the hook names from all command
/// line strings. Helper function used by EmitHookDeclarations().
-void FillInHookNames(const ToolPropertiesList& TPList,
- StrVector& HookNames) {
+void FillInHookNames(const ToolDescriptions& ToolDescs,
+ llvm::StringMap<unsigned>& HookNames)
+{
// For all command lines:
- for (ToolPropertiesList::const_iterator B = TPList.begin(),
- E = TPList.end(); B != E; ++B) {
- const ToolProperties& P = *(*B);
- if (!P.CmdLine)
+ for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
+ E = ToolDescs.end(); B != E; ++B) {
+ const ToolDescription& D = *(*B);
+ if (!D.CmdLine)
continue;
- if (dynamic_cast<StringInit*>(P.CmdLine))
+ if (dynamic_cast<StringInit*>(D.CmdLine))
// This is a string.
- ExtractHookNames(P.CmdLine, HookNames);
+ ExtractHookNames(HookNames).operator()(D.CmdLine);
else
// This is a 'case' construct.
- ExtractHookNamesFromCaseConstruct(P.CmdLine, HookNames);
+ WalkCase(D.CmdLine, Id(), ExtractHookNames(HookNames));
}
}
/// EmitHookDeclarations - Parse CmdLine fields of all the tool
/// property records and emit hook function declaration for each
/// instance of $CALL(HookName).
-void EmitHookDeclarations(const ToolPropertiesList& ToolProps,
- std::ostream& O) {
- StrVector HookNames;
- FillInHookNames(ToolProps, HookNames);
+void EmitHookDeclarations(const ToolDescriptions& ToolDescs, raw_ostream& O) {
+ llvm::StringMap<unsigned> HookNames;
+
+ FillInHookNames(ToolDescs, HookNames);
if (HookNames.empty())
return;
- std::sort(HookNames.begin(), HookNames.end());
- StrVector::const_iterator E = std::unique(HookNames.begin(), HookNames.end());
O << "namespace hooks {\n";
- for (StrVector::const_iterator B = HookNames.begin(); B != E; ++B)
- O << Indent1 << "std::string " << *B << "();\n";
+ for (StringMap<unsigned>::const_iterator B = HookNames.begin(),
+ E = HookNames.end(); B != E; ++B) {
+ O.indent(Indent1) << "std::string " << B->first() << "(";
+
+ for (unsigned i = 0, j = B->second; i < j; ++i) {
+ O << "const char* Arg" << i << (i+1 == j ? "" : ", ");
+ }
+ O <<");\n";
+ }
O << "}\n\n";
}
/// EmitRegisterPlugin - Emit code to register this plugin.
-void EmitRegisterPlugin(std::ostream& O) {
- O << "namespace {\n\n"
- << "struct Plugin : public llvmc::BasePlugin {\n"
- << Indent1 << "void PopulateLanguageMap(LanguageMap& langMap) const\n"
- << Indent1 << "{ PopulateLanguageMapLocal(langMap); }\n\n"
- << Indent1
- << "void PopulateCompilationGraph(CompilationGraph& graph) const\n"
- << Indent1 << "{ PopulateCompilationGraphLocal(graph); }\n"
- << "};\n\n"
-
- << "static llvmc::RegisterPlugin<Plugin> RP;\n\n}\n\n";
+void EmitRegisterPlugin(int Priority, raw_ostream& O) {
+ O << "struct Plugin : public llvmc::BasePlugin {\n\n";
+ O.indent(Indent1) << "int Priority() const { return "
+ << Priority << "; }\n\n";
+ O.indent(Indent1) << "void 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";
}
-/// EmitInclude - Emit necessary #include directives.
-void EmitIncludes(std::ostream& O) {
+/// EmitIncludes - Emit necessary #include directives and some
+/// additional declarations.
+void EmitIncludes(raw_ostream& O) {
O << "#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"
<< "using namespace llvm;\n"
<< "using namespace llvmc;\n\n"
- << "extern cl::opt<std::string> OutputFilename;\n\n";
+ << "extern cl::opt<std::string> OutputFilename;\n\n"
+
+ << "inline const char* checkCString(const char* s)\n"
+ << "{ return s == NULL ? \"\" : s; }\n\n";
}
-// End of anonymous namespace
+
+/// 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;
}
-/// run - The back-end entry point.
-void LLVMCConfigurationEmitter::run (std::ostream &O) {
- try {
+/// 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;
- // Emit file header.
- EmitSourceFileHeader("LLVMC Configuration Library", O);
- EmitIncludes(O);
+ return false;
+}
- // Get a list of all defined Tools.
- RecordVector Tools = Records.getAllDerivedDefinitions("Tool");
- if (Tools.empty())
- throw std::string("No tool definitions found!");
+/// 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());
+}
- // Gather information from the Tool description dags.
- ToolPropertiesList tool_props;
- GlobalOptionDescriptions opt_descs;
- CollectToolProperties(Tools.begin(), Tools.end(), tool_props, opt_descs);
+/// 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);
- RecordVector OptionLists = Records.getAllDerivedDefinitions("OptionList");
- CollectPropertiesFromOptionList(OptionLists.begin(), OptionLists.end(),
- opt_descs);
+ // Typecheck the compilation graph.
+ TypecheckGraph(Data.Edges, Data.ToolDescs);
// Check that there are no options without side effects (specified
// only in the OptionList).
- CheckForSuperfluousOptions(tool_props, opt_descs);
+ CheckForSuperfluousOptions(Data.Edges, Data.ToolDescs, Data.OptDescs);
+
+}
+
+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(tool_props, O);
+ EmitHookDeclarations(Data.ToolDescs, O);
+
+ O << "namespace {\n\n";
// Emit PopulateLanguageMap() function
// (a 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);
-
- Record* CompilationGraphRecord = Records.getDef("CompilationGraph");
- if (!CompilationGraphRecord)
- throw std::string("Compilation graph description not found!");
-
- // Typecheck the compilation graph.
- TypecheckGraph(CompilationGraphRecord, tool_props);
+ for (ToolDescriptions::const_iterator B = Data.ToolDescs.begin(),
+ E = Data.ToolDescs.end(); B!=E; ++B)
+ EmitToolClassDefinition(*(*B), Data.OptDescs, O);
// Emit Edge# classes.
- EmitEdgeClasses(CompilationGraphRecord, opt_descs, O);
+ EmitEdgeClasses(Data.Edges, Data.OptDescs, O);
// Emit PopulateCompilationGraph() function.
- EmitPopulateCompilationGraph(CompilationGraphRecord, O);
+ EmitPopulateCompilationGraph(Data.Edges, Data.ToolDescs, O);
// Emit code for plugin registration.
- EmitRegisterPlugin(O);
+ EmitRegisterPlugin(Data.Priority, O);
+
+ O << "} // End anonymous namespace.\n\n";
+
+ // 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.");
}