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//===- LLVMCConfigurationEmitter.cpp - Generate LLVMC config ----*- C++ -*-===//
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// The LLVM Compiler Infrastructure
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// This file is distributed under the University of Illinois Open
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// Source License. See LICENSE.TXT for details.
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//===----------------------------------------------------------------------===//
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// This tablegen backend is responsible for emitting LLVMC configuration code.
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//===----------------------------------------------------------------------===//
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#include "LLVMCConfigurationEmitter.h"
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#include "llvm/ADT/IntrusiveRefCntPtr.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/StringSet.h"
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//===----------------------------------------------------------------------===//
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typedef std::vector<Record*> RecordVector;
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typedef std::vector<std::string> StrVector;
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//===----------------------------------------------------------------------===//
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const unsigned TabWidth = 4;
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const unsigned Indent1 = TabWidth*1;
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const unsigned Indent2 = TabWidth*2;
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const unsigned Indent3 = TabWidth*3;
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const unsigned Indent4 = TabWidth*4;
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// Default help string.
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const char * const DefaultHelpString = "NO HELP MESSAGE PROVIDED";
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// Name for the "sink" option.
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const char * const SinkOptionName = "AutoGeneratedSinkOption";
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//===----------------------------------------------------------------------===//
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/// Id - An 'identity' function object.
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void operator()(const T0&) const {
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template<typename T0, typename T1>
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void operator()(const T0&, const T1&) const {
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template<typename T0, typename T1, typename T2>
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void operator()(const T0&, const T1&, const T2&) const {
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int InitPtrToInt(const Init* ptr) {
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const IntInit& val = dynamic_cast<const IntInit&>(*ptr);
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return val.getValue();
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const std::string& InitPtrToString(const Init* ptr) {
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const StringInit& val = dynamic_cast<const StringInit&>(*ptr);
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return val.getValue();
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const ListInit& InitPtrToList(const Init* ptr) {
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const ListInit& val = dynamic_cast<const ListInit&>(*ptr);
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const DagInit& InitPtrToDag(const Init* ptr) {
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const DagInit& val = dynamic_cast<const DagInit&>(*ptr);
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const std::string GetOperatorName(const DagInit& D) {
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return D.getOperator()->getAsString();
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/// CheckBooleanConstant - Check that the provided value is a boolean constant.
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void CheckBooleanConstant(const Init* I) {
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const DefInit& val = dynamic_cast<const DefInit&>(*I);
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const std::string& str = val.getAsString();
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if (str != "true" && str != "false") {
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throw "Incorrect boolean value: '" + str +
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"': must be either 'true' or 'false'";
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// CheckNumberOfArguments - Ensure that the number of args in d is
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// greater than or equal to min_arguments, otherwise throw an exception.
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void CheckNumberOfArguments (const DagInit& d, unsigned minArgs) {
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if (d.getNumArgs() < minArgs)
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throw GetOperatorName(d) + ": too few arguments!";
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// IsDagEmpty - is this DAG marked with an empty marker?
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bool IsDagEmpty (const DagInit& d) {
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return GetOperatorName(d) == "empty_dag_marker";
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// EscapeVariableName - Escape commas and other symbols not allowed
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// in the C++ variable names. Makes it possible to use options named
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// like "Wa," (useful for prefix options).
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std::string EscapeVariableName (const std::string& Var) {
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for (unsigned i = 0; i != Var.size(); ++i) {
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char cur_char = Var[i];
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if (cur_char == ',') {
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else if (cur_char == '+') {
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else if (cur_char == '-') {
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ret.push_back(cur_char);
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/// EscapeQuotes - Replace '"' with '\"'.
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std::string EscapeQuotes (const std::string& Var) {
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for (unsigned i = 0; i != Var.size(); ++i) {
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char cur_char = Var[i];
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if (cur_char == '"') {
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ret.push_back(cur_char);
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/// OneOf - Does the input string contain this character?
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bool OneOf(const char* lst, char c) {
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template <class I, class S>
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void CheckedIncrement(I& P, I E, S ErrorString) {
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// apply is needed because C++'s syntax doesn't let us construct a function
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// object and call it in the same statement.
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template<typename F, typename T0>
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void apply(F Fun, T0& Arg0) {
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template<typename F, typename T0, typename T1>
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void apply(F Fun, T0& Arg0, T1& Arg1) {
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return Fun(Arg0, Arg1);
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//===----------------------------------------------------------------------===//
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/// Back-end specific code
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/// OptionType - One of six different option types. See the
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/// documentation for detailed description of differences.
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namespace OptionType {
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enum OptionType { Alias, Switch, Parameter, ParameterList,
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bool IsAlias(OptionType t) {
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bool IsList (OptionType t) {
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return (t == ParameterList || t == PrefixList);
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bool IsSwitch (OptionType t) {
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return (t == Switch);
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bool IsParameter (OptionType t) {
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return (t == Parameter || t == Prefix);
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OptionType::OptionType stringToOptionType(const std::string& T) {
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if (T == "alias_option")
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return OptionType::Alias;
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else if (T == "switch_option")
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return OptionType::Switch;
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else if (T == "parameter_option")
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return OptionType::Parameter;
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else if (T == "parameter_list_option")
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return OptionType::ParameterList;
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else if (T == "prefix_option")
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return OptionType::Prefix;
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else if (T == "prefix_list_option")
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return OptionType::PrefixList;
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throw "Unknown option type: " + T + '!';
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namespace OptionDescriptionFlags {
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enum OptionDescriptionFlags { Required = 0x1, Hidden = 0x2,
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ReallyHidden = 0x4, Extern = 0x8,
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OneOrMore = 0x10, Optional = 0x20,
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CommaSeparated = 0x40, ForwardNotSplit = 0x80,
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ZeroOrMore = 0x100 };
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/// OptionDescription - Represents data contained in a single
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/// OptionList entry.
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struct OptionDescription {
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OptionType::OptionType Type;
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OptionDescription(OptionType::OptionType t = OptionType::Switch,
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const std::string& n = "",
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const std::string& h = DefaultHelpString)
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: Type(t), Name(n), Flags(0x0), Help(h), MultiVal(1), InitVal(0)
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/// GenTypeDeclaration - Returns the C++ variable type of this
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const char* GenTypeDeclaration() const;
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/// GenVariableName - Returns the variable name used in the
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/// generated C++ code.
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std::string GenVariableName() const;
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/// Merge - Merge two option descriptions.
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void Merge (const OptionDescription& other);
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/// CheckConsistency - Check that the flags are consistent.
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void CheckConsistency() const;
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// Misc convenient getters/setters.
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bool isAlias() const;
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bool isMultiVal() const;
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bool isCommaSeparated() const;
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void setCommaSeparated();
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bool isExtern() const;
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bool isForwardNotSplit() const;
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void setForwardNotSplit();
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bool isRequired() const;
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bool isOneOrMore() const;
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bool isZeroOrMore() const;
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void setZeroOrMore();
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bool isOptional() const;
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bool isHidden() const;
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bool isReallyHidden() const;
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void setReallyHidden();
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bool isSwitch() const
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{ return OptionType::IsSwitch(this->Type); }
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bool isParameter() const
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{ return OptionType::IsParameter(this->Type); }
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{ return OptionType::IsList(this->Type); }
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void OptionDescription::CheckConsistency() const {
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i += this->isRequired();
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i += this->isOptional();
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i += this->isOneOrMore();
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i += this->isZeroOrMore();
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throw "Only one of (required), (optional), (one_or_more) or "
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"(zero_or_more) properties is allowed!";
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void OptionDescription::Merge (const OptionDescription& other)
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if (other.Type != Type)
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throw "Conflicting definitions for the option " + Name + "!";
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if (Help == other.Help || Help == DefaultHelpString)
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else if (other.Help != DefaultHelpString) {
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llvm::errs() << "Warning: several different help strings"
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" defined for option " + Name + "\n";
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Flags |= other.Flags;
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bool OptionDescription::isAlias() const {
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return OptionType::IsAlias(this->Type);
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bool OptionDescription::isMultiVal() const {
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bool OptionDescription::isCommaSeparated() const {
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return Flags & OptionDescriptionFlags::CommaSeparated;
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void OptionDescription::setCommaSeparated() {
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Flags |= OptionDescriptionFlags::CommaSeparated;
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bool OptionDescription::isForwardNotSplit() const {
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return Flags & OptionDescriptionFlags::ForwardNotSplit;
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void OptionDescription::setForwardNotSplit() {
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Flags |= OptionDescriptionFlags::ForwardNotSplit;
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bool OptionDescription::isExtern() const {
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return Flags & OptionDescriptionFlags::Extern;
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void OptionDescription::setExtern() {
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Flags |= OptionDescriptionFlags::Extern;
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bool OptionDescription::isRequired() const {
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return Flags & OptionDescriptionFlags::Required;
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void OptionDescription::setRequired() {
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Flags |= OptionDescriptionFlags::Required;
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bool OptionDescription::isOneOrMore() const {
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return Flags & OptionDescriptionFlags::OneOrMore;
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void OptionDescription::setOneOrMore() {
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Flags |= OptionDescriptionFlags::OneOrMore;
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bool OptionDescription::isZeroOrMore() const {
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return Flags & OptionDescriptionFlags::ZeroOrMore;
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void OptionDescription::setZeroOrMore() {
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Flags |= OptionDescriptionFlags::ZeroOrMore;
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bool OptionDescription::isOptional() const {
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return Flags & OptionDescriptionFlags::Optional;
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void OptionDescription::setOptional() {
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Flags |= OptionDescriptionFlags::Optional;
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bool OptionDescription::isHidden() const {
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return Flags & OptionDescriptionFlags::Hidden;
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void OptionDescription::setHidden() {
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Flags |= OptionDescriptionFlags::Hidden;
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bool OptionDescription::isReallyHidden() const {
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return Flags & OptionDescriptionFlags::ReallyHidden;
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void OptionDescription::setReallyHidden() {
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Flags |= OptionDescriptionFlags::ReallyHidden;
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const char* OptionDescription::GenTypeDeclaration() const {
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case OptionType::Alias:
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case OptionType::PrefixList:
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case OptionType::ParameterList:
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return "cl::list<std::string>";
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case OptionType::Switch:
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return "cl::opt<bool>";
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case OptionType::Parameter:
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case OptionType::Prefix:
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return "cl::opt<std::string>";
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std::string OptionDescription::GenVariableName() const {
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const std::string& EscapedName = EscapeVariableName(Name);
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case OptionType::Alias:
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return "AutoGeneratedAlias_" + EscapedName;
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case OptionType::PrefixList:
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case OptionType::ParameterList:
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return "AutoGeneratedList_" + EscapedName;
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case OptionType::Switch:
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return "AutoGeneratedSwitch_" + EscapedName;
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case OptionType::Prefix:
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case OptionType::Parameter:
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return "AutoGeneratedParameter_" + EscapedName;
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/// OptionDescriptions - An OptionDescription array plus some helper
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class OptionDescriptions {
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typedef StringMap<OptionDescription> container_type;
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/// Descriptions - A list of OptionDescriptions.
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container_type Descriptions;
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/// FindOption - exception-throwing wrapper for find().
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const OptionDescription& FindOption(const std::string& OptName) const;
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// Wrappers for FindOption that throw an exception in case the option has a
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const OptionDescription& FindSwitch(const std::string& OptName) const;
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const OptionDescription& FindParameter(const std::string& OptName) const;
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const OptionDescription& FindList(const std::string& OptName) const;
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const OptionDescription&
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FindListOrParameter(const std::string& OptName) const;
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/// insertDescription - Insert new OptionDescription into
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/// OptionDescriptions list
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void InsertDescription (const OptionDescription& o);
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// Support for STL-style iteration
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typedef container_type::const_iterator const_iterator;
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const_iterator begin() const { return Descriptions.begin(); }
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const_iterator end() const { return Descriptions.end(); }
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const OptionDescription&
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OptionDescriptions::FindOption(const std::string& OptName) const {
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const_iterator I = Descriptions.find(OptName);
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if (I != Descriptions.end())
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throw OptName + ": no such option!";
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const OptionDescription&
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OptionDescriptions::FindSwitch(const std::string& OptName) const {
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const OptionDescription& OptDesc = this->FindOption(OptName);
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if (!OptDesc.isSwitch())
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throw OptName + ": incorrect option type - should be a switch!";
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const OptionDescription&
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OptionDescriptions::FindList(const std::string& OptName) const {
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const OptionDescription& OptDesc = this->FindOption(OptName);
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if (!OptDesc.isList())
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throw OptName + ": incorrect option type - should be a list!";
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const OptionDescription&
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OptionDescriptions::FindParameter(const std::string& OptName) const {
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const OptionDescription& OptDesc = this->FindOption(OptName);
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if (!OptDesc.isParameter())
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throw OptName + ": incorrect option type - should be a parameter!";
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const OptionDescription&
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OptionDescriptions::FindListOrParameter(const std::string& OptName) const {
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const OptionDescription& OptDesc = this->FindOption(OptName);
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if (!OptDesc.isList() && !OptDesc.isParameter())
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+ ": incorrect option type - should be a list or parameter!";
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void OptionDescriptions::InsertDescription (const OptionDescription& o) {
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container_type::iterator I = Descriptions.find(o.Name);
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if (I != Descriptions.end()) {
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OptionDescription& D = I->second;
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Descriptions[o.Name] = o;
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/// HandlerTable - A base class for function objects implemented as
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/// 'tables of handlers'.
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template <typename Handler>
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// Implementation details.
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/// HandlerMap - A map from property names to property handlers
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typedef StringMap<Handler> HandlerMap;
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static HandlerMap Handlers_;
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static bool staticMembersInitialized_;
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Handler GetHandler (const std::string& HandlerName) const {
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typename HandlerMap::iterator method = Handlers_.find(HandlerName);
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if (method != Handlers_.end()) {
546
Handler h = method->second;
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throw "No handler found for property " + HandlerName + "!";
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void AddHandler(const char* Property, Handler H) {
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Handlers_[Property] = H;
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template <class Handler, class FunctionObject>
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Handler GetHandler(FunctionObject* Obj, const DagInit& Dag) {
562
const std::string& HandlerName = GetOperatorName(Dag);
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return Obj->GetHandler(HandlerName);
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template <class FunctionObject>
567
void InvokeDagInitHandler(FunctionObject* Obj, Init* I) {
568
typedef void (FunctionObject::*Handler) (const DagInit&);
570
const DagInit& Dag = InitPtrToDag(I);
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Handler h = GetHandler<Handler>(Obj, Dag);
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template <class FunctionObject>
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void InvokeDagInitHandler(const FunctionObject* const Obj,
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const Init* I, unsigned IndentLevel, raw_ostream& O)
580
typedef void (FunctionObject::*Handler)
581
(const DagInit&, unsigned IndentLevel, raw_ostream& O) const;
583
const DagInit& Dag = InitPtrToDag(I);
584
Handler h = GetHandler<Handler>(Obj, Dag);
586
((Obj)->*(h))(Dag, IndentLevel, O);
590
template <typename H>
591
typename HandlerTable<H>::HandlerMap HandlerTable<H>::Handlers_;
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template <typename H>
594
bool HandlerTable<H>::staticMembersInitialized_ = false;
597
/// CollectOptionProperties - Function object for iterating over an
598
/// option property list.
599
class CollectOptionProperties;
600
typedef void (CollectOptionProperties::* CollectOptionPropertiesHandler)
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class CollectOptionProperties
604
: public HandlerTable<CollectOptionPropertiesHandler>
608
/// optDescs_ - OptionDescriptions table. This is where the
609
/// information is stored.
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OptionDescription& optDesc_;
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explicit CollectOptionProperties(OptionDescription& OD)
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if (!staticMembersInitialized_) {
618
AddHandler("extern", &CollectOptionProperties::onExtern);
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AddHandler("help", &CollectOptionProperties::onHelp);
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AddHandler("hidden", &CollectOptionProperties::onHidden);
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AddHandler("init", &CollectOptionProperties::onInit);
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AddHandler("multi_val", &CollectOptionProperties::onMultiVal);
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AddHandler("one_or_more", &CollectOptionProperties::onOneOrMore);
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AddHandler("zero_or_more", &CollectOptionProperties::onZeroOrMore);
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AddHandler("really_hidden", &CollectOptionProperties::onReallyHidden);
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AddHandler("required", &CollectOptionProperties::onRequired);
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AddHandler("optional", &CollectOptionProperties::onOptional);
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AddHandler("comma_separated", &CollectOptionProperties::onCommaSeparated);
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AddHandler("forward_not_split",
630
&CollectOptionProperties::onForwardNotSplit);
632
staticMembersInitialized_ = true;
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/// operator() - Just forwards to the corresponding property
638
void operator() (Init* I) {
639
InvokeDagInitHandler(this, I);
644
/// Option property handlers --
645
/// Methods that handle option properties such as (help) or (hidden).
647
void onExtern (const DagInit& d) {
648
CheckNumberOfArguments(d, 0);
649
optDesc_.setExtern();
652
void onHelp (const DagInit& d) {
653
CheckNumberOfArguments(d, 1);
654
optDesc_.Help = EscapeQuotes(InitPtrToString(d.getArg(0)));
657
void onHidden (const DagInit& d) {
658
CheckNumberOfArguments(d, 0);
659
optDesc_.setHidden();
662
void onReallyHidden (const DagInit& d) {
663
CheckNumberOfArguments(d, 0);
664
optDesc_.setReallyHidden();
667
void onCommaSeparated (const DagInit& d) {
668
CheckNumberOfArguments(d, 0);
669
if (!optDesc_.isList())
670
throw "'comma_separated' is valid only on list options!";
671
optDesc_.setCommaSeparated();
674
void onForwardNotSplit (const DagInit& d) {
675
CheckNumberOfArguments(d, 0);
676
if (!optDesc_.isParameter())
677
throw "'forward_not_split' is valid only for parameter options!";
678
optDesc_.setForwardNotSplit();
681
void onRequired (const DagInit& d) {
682
CheckNumberOfArguments(d, 0);
684
optDesc_.setRequired();
685
optDesc_.CheckConsistency();
688
void onInit (const DagInit& d) {
689
CheckNumberOfArguments(d, 1);
690
Init* i = d.getArg(0);
691
const std::string& str = i->getAsString();
693
bool correct = optDesc_.isParameter() && dynamic_cast<StringInit*>(i);
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correct |= (optDesc_.isSwitch() && (str == "true" || str == "false"));
697
throw "Incorrect usage of the 'init' option property!";
699
optDesc_.InitVal = i;
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void onOneOrMore (const DagInit& d) {
703
CheckNumberOfArguments(d, 0);
705
optDesc_.setOneOrMore();
706
optDesc_.CheckConsistency();
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void onZeroOrMore (const DagInit& d) {
710
CheckNumberOfArguments(d, 0);
712
if (OptionType::IsList(optDesc_.Type))
713
llvm::errs() << "Warning: specifying the 'zero_or_more' property "
714
"on a list option has no effect.\n";
716
optDesc_.setZeroOrMore();
717
optDesc_.CheckConsistency();
720
void onOptional (const DagInit& d) {
721
CheckNumberOfArguments(d, 0);
723
if (!OptionType::IsList(optDesc_.Type))
724
llvm::errs() << "Warning: specifying the 'optional' property"
725
"on a non-list option has no effect.\n";
727
optDesc_.setOptional();
728
optDesc_.CheckConsistency();
731
void onMultiVal (const DagInit& d) {
732
CheckNumberOfArguments(d, 1);
733
int val = InitPtrToInt(d.getArg(0));
735
throw "Error in the 'multi_val' property: "
736
"the value must be greater than 1!";
737
if (!OptionType::IsList(optDesc_.Type))
738
throw "The multi_val property is valid only on list options!";
739
optDesc_.MultiVal = val;
744
/// AddOption - A function object that is applied to every option
745
/// description. Used by CollectOptionDescriptions.
748
OptionDescriptions& OptDescs_;
751
explicit AddOption(OptionDescriptions& OD) : OptDescs_(OD)
754
void operator()(const Init* i) {
755
const DagInit& d = InitPtrToDag(i);
756
CheckNumberOfArguments(d, 1);
758
const OptionType::OptionType Type =
759
stringToOptionType(GetOperatorName(d));
760
const std::string& Name = InitPtrToString(d.getArg(0));
762
OptionDescription OD(Type, Name);
765
CheckNumberOfArguments(d, 2);
768
// Aliases store the aliased option name in the 'Help' field.
769
OD.Help = InitPtrToString(d.getArg(1));
771
else if (!OD.isExtern()) {
772
processOptionProperties(d, OD);
774
OptDescs_.InsertDescription(OD);
778
/// processOptionProperties - Go through the list of option
779
/// properties and call a corresponding handler for each.
780
static void processOptionProperties (const DagInit& d, OptionDescription& o) {
781
CheckNumberOfArguments(d, 2);
782
DagInit::const_arg_iterator B = d.arg_begin();
783
// Skip the first argument: it's always the option name.
785
std::for_each(B, d.arg_end(), CollectOptionProperties(o));
790
/// CollectOptionDescriptions - Collects option properties from all
792
void CollectOptionDescriptions (RecordVector::const_iterator B,
793
RecordVector::const_iterator E,
794
OptionDescriptions& OptDescs)
796
// For every OptionList:
798
RecordVector::value_type T = *B;
799
// Throws an exception if the value does not exist.
800
ListInit* PropList = T->getValueAsListInit("options");
802
// For every option description in this list:
803
// collect the information and
804
std::for_each(PropList->begin(), PropList->end(), AddOption(OptDescs));
808
// Tool information record
810
namespace ToolFlags {
811
enum ToolFlags { Join = 0x1, Sink = 0x2 };
814
struct ToolDescription : public RefCountedBase<ToolDescription> {
818
StrVector InLanguage;
819
std::string InFileOption;
820
std::string OutFileOption;
821
std::string OutLanguage;
822
std::string OutputSuffix;
826
// Various boolean properties
827
void setSink() { Flags |= ToolFlags::Sink; }
828
bool isSink() const { return Flags & ToolFlags::Sink; }
829
void setJoin() { Flags |= ToolFlags::Join; }
830
bool isJoin() const { return Flags & ToolFlags::Join; }
832
// Default ctor here is needed because StringMap can only store
833
// DefaultConstructible objects
835
: CmdLine(0), Actions(0), OutFileOption("-o"),
838
ToolDescription (const std::string& n)
839
: Name(n), CmdLine(0), Actions(0), OutFileOption("-o"),
844
/// ToolDescriptions - A list of Tool information records.
845
typedef std::vector<IntrusiveRefCntPtr<ToolDescription> > ToolDescriptions;
848
/// CollectToolProperties - Function object for iterating over a list of
849
/// tool property records.
851
class CollectToolProperties;
852
typedef void (CollectToolProperties::* CollectToolPropertiesHandler)
855
class CollectToolProperties : public HandlerTable<CollectToolPropertiesHandler>
859
/// toolDesc_ - Properties of the current Tool. This is where the
860
/// information is stored.
861
ToolDescription& toolDesc_;
865
explicit CollectToolProperties (ToolDescription& d)
868
if (!staticMembersInitialized_) {
870
AddHandler("actions", &CollectToolProperties::onActions);
871
AddHandler("command", &CollectToolProperties::onCommand);
872
AddHandler("in_language", &CollectToolProperties::onInLanguage);
873
AddHandler("join", &CollectToolProperties::onJoin);
874
AddHandler("out_language", &CollectToolProperties::onOutLanguage);
876
AddHandler("out_file_option", &CollectToolProperties::onOutFileOption);
877
AddHandler("in_file_option", &CollectToolProperties::onInFileOption);
879
AddHandler("output_suffix", &CollectToolProperties::onOutputSuffix);
880
AddHandler("sink", &CollectToolProperties::onSink);
881
AddHandler("works_on_empty", &CollectToolProperties::onWorksOnEmpty);
883
staticMembersInitialized_ = true;
887
void operator() (Init* I) {
888
InvokeDagInitHandler(this, I);
893
/// Property handlers --
894
/// Functions that extract information about tool properties from
895
/// DAG representation.
897
void onActions (const DagInit& d) {
898
CheckNumberOfArguments(d, 1);
899
Init* Case = d.getArg(0);
900
if (typeid(*Case) != typeid(DagInit) ||
901
GetOperatorName(static_cast<DagInit&>(*Case)) != "case")
902
throw "The argument to (actions) should be a 'case' construct!";
903
toolDesc_.Actions = Case;
906
void onCommand (const DagInit& d) {
907
CheckNumberOfArguments(d, 1);
908
toolDesc_.CmdLine = d.getArg(0);
911
void onInLanguage (const DagInit& d) {
912
CheckNumberOfArguments(d, 1);
913
Init* arg = d.getArg(0);
915
// Find out the argument's type.
916
if (typeid(*arg) == typeid(StringInit)) {
918
toolDesc_.InLanguage.push_back(InitPtrToString(arg));
922
const ListInit& lst = InitPtrToList(arg);
923
StrVector& out = toolDesc_.InLanguage;
925
// Copy strings to the output vector.
926
for (ListInit::const_iterator B = lst.begin(), E = lst.end();
928
out.push_back(InitPtrToString(*B));
931
// Remove duplicates.
932
std::sort(out.begin(), out.end());
933
StrVector::iterator newE = std::unique(out.begin(), out.end());
934
out.erase(newE, out.end());
938
void onJoin (const DagInit& d) {
939
CheckNumberOfArguments(d, 0);
943
void onOutLanguage (const DagInit& d) {
944
CheckNumberOfArguments(d, 1);
945
toolDesc_.OutLanguage = InitPtrToString(d.getArg(0));
948
void onOutFileOption (const DagInit& d) {
949
CheckNumberOfArguments(d, 1);
950
toolDesc_.OutFileOption = InitPtrToString(d.getArg(0));
953
void onInFileOption (const DagInit& d) {
954
CheckNumberOfArguments(d, 1);
955
toolDesc_.InFileOption = InitPtrToString(d.getArg(0));
958
void onOutputSuffix (const DagInit& d) {
959
CheckNumberOfArguments(d, 1);
960
toolDesc_.OutputSuffix = InitPtrToString(d.getArg(0));
963
void onSink (const DagInit& d) {
964
CheckNumberOfArguments(d, 0);
968
void onWorksOnEmpty (const DagInit& d) {
969
toolDesc_.OnEmpty = d.getArg(0);
974
/// CollectToolDescriptions - Gather information about tool properties
975
/// from the parsed TableGen data (basically a wrapper for the
976
/// CollectToolProperties function object).
977
void CollectToolDescriptions (RecordVector::const_iterator B,
978
RecordVector::const_iterator E,
979
ToolDescriptions& ToolDescs)
981
// Iterate over a properties list of every Tool definition
983
const Record* T = *B;
984
// Throws an exception if the value does not exist.
985
ListInit* PropList = T->getValueAsListInit("properties");
987
IntrusiveRefCntPtr<ToolDescription>
988
ToolDesc(new ToolDescription(T->getName()));
990
std::for_each(PropList->begin(), PropList->end(),
991
CollectToolProperties(*ToolDesc));
992
ToolDescs.push_back(ToolDesc);
996
/// FillInEdgeVector - Merge all compilation graph definitions into
997
/// one single edge list.
998
void FillInEdgeVector(RecordVector::const_iterator B,
999
RecordVector::const_iterator E, RecordVector& Out) {
1000
for (; B != E; ++B) {
1001
const ListInit* edges = (*B)->getValueAsListInit("edges");
1003
for (unsigned i = 0; i < edges->size(); ++i)
1004
Out.push_back(edges->getElementAsRecord(i));
1008
/// CalculatePriority - Calculate the priority of this plugin.
1009
int CalculatePriority(RecordVector::const_iterator B,
1010
RecordVector::const_iterator E) {
1014
priority = static_cast<int>((*B)->getValueAsInt("priority"));
1017
throw "More than one 'PluginPriority' instance found: "
1018
"most probably an error!";
1024
/// NotInGraph - Helper function object for FilterNotInGraph.
1027
const llvm::StringSet<>& ToolsInGraph_;
1030
NotInGraph(const llvm::StringSet<>& ToolsInGraph)
1031
: ToolsInGraph_(ToolsInGraph)
1034
bool operator()(const IntrusiveRefCntPtr<ToolDescription>& x) {
1035
return (ToolsInGraph_.count(x->Name) == 0);
1039
/// FilterNotInGraph - Filter out from ToolDescs all Tools not
1040
/// mentioned in the compilation graph definition.
1041
void FilterNotInGraph (const RecordVector& EdgeVector,
1042
ToolDescriptions& ToolDescs) {
1044
// List all tools mentioned in the graph.
1045
llvm::StringSet<> ToolsInGraph;
1047
for (RecordVector::const_iterator B = EdgeVector.begin(),
1048
E = EdgeVector.end(); B != E; ++B) {
1050
const Record* Edge = *B;
1051
const std::string& NodeA = Edge->getValueAsString("a");
1052
const std::string& NodeB = Edge->getValueAsString("b");
1054
if (NodeA != "root")
1055
ToolsInGraph.insert(NodeA);
1056
ToolsInGraph.insert(NodeB);
1059
// Filter ToolPropertiesList.
1060
ToolDescriptions::iterator new_end =
1061
std::remove_if(ToolDescs.begin(), ToolDescs.end(),
1062
NotInGraph(ToolsInGraph));
1063
ToolDescs.erase(new_end, ToolDescs.end());
1066
/// FillInToolToLang - Fills in two tables that map tool names to
1067
/// (input, output) languages. Helper function used by TypecheckGraph().
1068
void FillInToolToLang (const ToolDescriptions& ToolDescs,
1069
StringMap<StringSet<> >& ToolToInLang,
1070
StringMap<std::string>& ToolToOutLang) {
1071
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
1072
E = ToolDescs.end(); B != E; ++B) {
1073
const ToolDescription& D = *(*B);
1074
for (StrVector::const_iterator B = D.InLanguage.begin(),
1075
E = D.InLanguage.end(); B != E; ++B)
1076
ToolToInLang[D.Name].insert(*B);
1077
ToolToOutLang[D.Name] = D.OutLanguage;
1081
/// TypecheckGraph - Check that names for output and input languages
1082
/// on all edges do match. This doesn't do much when the information
1083
/// about the whole graph is not available (i.e. when compiling most
1085
void TypecheckGraph (const RecordVector& EdgeVector,
1086
const ToolDescriptions& ToolDescs) {
1087
StringMap<StringSet<> > ToolToInLang;
1088
StringMap<std::string> ToolToOutLang;
1090
FillInToolToLang(ToolDescs, ToolToInLang, ToolToOutLang);
1091
StringMap<std::string>::iterator IAE = ToolToOutLang.end();
1092
StringMap<StringSet<> >::iterator IBE = ToolToInLang.end();
1094
for (RecordVector::const_iterator B = EdgeVector.begin(),
1095
E = EdgeVector.end(); B != E; ++B) {
1096
const Record* Edge = *B;
1097
const std::string& NodeA = Edge->getValueAsString("a");
1098
const std::string& NodeB = Edge->getValueAsString("b");
1099
StringMap<std::string>::iterator IA = ToolToOutLang.find(NodeA);
1100
StringMap<StringSet<> >::iterator IB = ToolToInLang.find(NodeB);
1102
if (NodeA != "root") {
1103
if (IA != IAE && IB != IBE && IB->second.count(IA->second) == 0)
1104
throw "Edge " + NodeA + "->" + NodeB
1105
+ ": output->input language mismatch";
1108
if (NodeB == "root")
1109
throw "Edges back to the root are not allowed!";
1113
/// WalkCase - Walks the 'case' expression DAG and invokes
1114
/// TestCallback on every test, and StatementCallback on every
1115
/// statement. Handles 'case' nesting, but not the 'and' and 'or'
1116
/// combinators (that is, they are passed directly to TestCallback).
1117
/// TestCallback must have type 'void TestCallback(const DagInit*, unsigned
1118
/// IndentLevel, bool FirstTest)'.
1119
/// StatementCallback must have type 'void StatementCallback(const Init*,
1120
/// unsigned IndentLevel)'.
1121
template <typename F1, typename F2>
1122
void WalkCase(const Init* Case, F1 TestCallback, F2 StatementCallback,
1123
unsigned IndentLevel = 0)
1125
const DagInit& d = InitPtrToDag(Case);
1128
if (GetOperatorName(d) != "case")
1129
throw "WalkCase should be invoked only on 'case' expressions!";
1131
if (d.getNumArgs() < 2)
1132
throw "There should be at least one clause in the 'case' expression:\n"
1137
const unsigned numArgs = d.getNumArgs();
1139
for (DagInit::const_arg_iterator B = d.arg_begin(), E = d.arg_end();
1146
const DagInit& Test = InitPtrToDag(arg);
1148
if (GetOperatorName(Test) == "default" && (i+1 != numArgs))
1149
throw "The 'default' clause should be the last in the "
1150
"'case' construct!";
1152
throw "Case construct handler: no corresponding action "
1153
"found for the test " + Test.getAsString() + '!';
1155
TestCallback(Test, IndentLevel, (i == 1));
1159
if (dynamic_cast<DagInit*>(arg)
1160
&& GetOperatorName(static_cast<DagInit&>(*arg)) == "case") {
1162
WalkCase(arg, TestCallback, StatementCallback, IndentLevel + Indent1);
1165
// Handle statement.
1166
StatementCallback(arg, IndentLevel);
1174
/// ExtractOptionNames - A helper function object used by
1175
/// CheckForSuperfluousOptions() to walk the 'case' DAG.
1176
class ExtractOptionNames {
1177
llvm::StringSet<>& OptionNames_;
1179
void processDag(const Init* Statement) {
1180
const DagInit& Stmt = InitPtrToDag(Statement);
1181
const std::string& ActionName = GetOperatorName(Stmt);
1182
if (ActionName == "forward" || ActionName == "forward_as" ||
1183
ActionName == "forward_value" ||
1184
ActionName == "forward_transformed_value" ||
1185
ActionName == "switch_on" || ActionName == "any_switch_on" ||
1186
ActionName == "parameter_equals" ||
1187
ActionName == "element_in_list" || ActionName == "not_empty" ||
1188
ActionName == "empty") {
1189
CheckNumberOfArguments(Stmt, 1);
1191
Init* Arg = Stmt.getArg(0);
1192
if (typeid(*Arg) == typeid(StringInit)) {
1193
const std::string& Name = InitPtrToString(Arg);
1194
OptionNames_.insert(Name);
1198
const ListInit& List = InitPtrToList(Arg);
1199
for (ListInit::const_iterator B = List.begin(), E = List.end();
1201
const std::string& Name = InitPtrToString(*B);
1202
OptionNames_.insert(Name);
1206
else if (ActionName == "and" || ActionName == "or" || ActionName == "not") {
1207
for (unsigned i = 0, NumArgs = Stmt.getNumArgs(); i < NumArgs; ++i) {
1208
this->processDag(Stmt.getArg(i));
1214
ExtractOptionNames(llvm::StringSet<>& OptionNames) : OptionNames_(OptionNames)
1217
void operator()(const Init* Statement) {
1218
if (typeid(*Statement) == typeid(ListInit)) {
1219
const ListInit& DagList = *static_cast<const ListInit*>(Statement);
1220
for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
1222
this->processDag(*B);
1225
this->processDag(Statement);
1229
void operator()(const DagInit& Test, unsigned, bool) {
1230
this->operator()(&Test);
1232
void operator()(const Init* Statement, unsigned) {
1233
this->operator()(Statement);
1237
/// CheckForSuperfluousOptions - Check that there are no side
1238
/// effect-free options (specified only in the OptionList). Otherwise,
1239
/// output a warning.
1240
void CheckForSuperfluousOptions (const RecordVector& Edges,
1241
const ToolDescriptions& ToolDescs,
1242
const OptionDescriptions& OptDescs) {
1243
llvm::StringSet<> nonSuperfluousOptions;
1245
// Add all options mentioned in the ToolDesc.Actions to the set of
1246
// non-superfluous options.
1247
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
1248
E = ToolDescs.end(); B != E; ++B) {
1249
const ToolDescription& TD = *(*B);
1250
ExtractOptionNames Callback(nonSuperfluousOptions);
1252
WalkCase(TD.Actions, Callback, Callback);
1255
// Add all options mentioned in the 'case' clauses of the
1256
// OptionalEdges of the compilation graph to the set of
1257
// non-superfluous options.
1258
for (RecordVector::const_iterator B = Edges.begin(), E = Edges.end();
1260
const Record* Edge = *B;
1261
DagInit& Weight = *Edge->getValueAsDag("weight");
1263
if (!IsDagEmpty(Weight))
1264
WalkCase(&Weight, ExtractOptionNames(nonSuperfluousOptions), Id());
1267
// Check that all options in OptDescs belong to the set of
1268
// non-superfluous options.
1269
for (OptionDescriptions::const_iterator B = OptDescs.begin(),
1270
E = OptDescs.end(); B != E; ++B) {
1271
const OptionDescription& Val = B->second;
1272
if (!nonSuperfluousOptions.count(Val.Name)
1273
&& Val.Type != OptionType::Alias)
1274
llvm::errs() << "Warning: option '-" << Val.Name << "' has no effect! "
1275
"Probable cause: this option is specified only in the OptionList.\n";
1279
/// EmitCaseTest0Args - Helper function used by EmitCaseConstructHandler().
1280
bool EmitCaseTest0Args(const std::string& TestName, raw_ostream& O) {
1281
if (TestName == "single_input_file") {
1282
O << "InputFilenames.size() == 1";
1285
else if (TestName == "multiple_input_files") {
1286
O << "InputFilenames.size() > 1";
1293
/// EmitListTest - Helper function used by EmitCaseTest1ArgList().
1294
template <typename F>
1295
void EmitListTest(const ListInit& L, const char* LogicOp,
1296
F Callback, raw_ostream& O)
1298
// This is a lot like EmitLogicalOperationTest, but works on ListInits instead
1300
bool isFirst = true;
1301
for (ListInit::const_iterator B = L.begin(), E = L.end(); B != E; ++B) {
1305
O << ' ' << LogicOp << ' ';
1306
Callback(InitPtrToString(*B), O);
1310
// Callbacks for use with EmitListTest.
1312
class EmitSwitchOn {
1313
const OptionDescriptions& OptDescs_;
1315
EmitSwitchOn(const OptionDescriptions& OptDescs) : OptDescs_(OptDescs)
1318
void operator()(const std::string& OptName, raw_ostream& O) const {
1319
const OptionDescription& OptDesc = OptDescs_.FindSwitch(OptName);
1320
O << OptDesc.GenVariableName();
1324
class EmitEmptyTest {
1326
const OptionDescriptions& OptDescs_;
1328
EmitEmptyTest(bool EmitNegate, const OptionDescriptions& OptDescs)
1329
: EmitNegate_(EmitNegate), OptDescs_(OptDescs)
1332
void operator()(const std::string& OptName, raw_ostream& O) const {
1333
const char* Neg = (EmitNegate_ ? "!" : "");
1334
if (OptName == "o") {
1335
O << Neg << "OutputFilename.empty()";
1337
else if (OptName == "save-temps") {
1338
O << Neg << "(SaveTemps == SaveTempsEnum::Unset)";
1341
const OptionDescription& OptDesc = OptDescs_.FindListOrParameter(OptName);
1342
O << Neg << OptDesc.GenVariableName() << ".empty()";
1348
/// EmitCaseTest1ArgList - Helper function used by EmitCaseTest1Arg();
1349
bool EmitCaseTest1ArgList(const std::string& TestName,
1351
const OptionDescriptions& OptDescs,
1353
const ListInit& L = InitPtrToList(d.getArg(0));
1355
if (TestName == "any_switch_on") {
1356
EmitListTest(L, "||", EmitSwitchOn(OptDescs), O);
1359
else if (TestName == "switch_on") {
1360
EmitListTest(L, "&&", EmitSwitchOn(OptDescs), O);
1363
else if (TestName == "any_not_empty") {
1364
EmitListTest(L, "||", EmitEmptyTest(true, OptDescs), O);
1367
else if (TestName == "any_empty") {
1368
EmitListTest(L, "||", EmitEmptyTest(false, OptDescs), O);
1371
else if (TestName == "not_empty") {
1372
EmitListTest(L, "&&", EmitEmptyTest(true, OptDescs), O);
1375
else if (TestName == "empty") {
1376
EmitListTest(L, "&&", EmitEmptyTest(false, OptDescs), O);
1383
/// EmitCaseTest1ArgStr - Helper function used by EmitCaseTest1Arg();
1384
bool EmitCaseTest1ArgStr(const std::string& TestName,
1386
const OptionDescriptions& OptDescs,
1388
const std::string& OptName = InitPtrToString(d.getArg(0));
1390
if (TestName == "switch_on") {
1391
apply(EmitSwitchOn(OptDescs), OptName, O);
1394
else if (TestName == "input_languages_contain") {
1395
O << "InLangs.count(\"" << OptName << "\") != 0";
1398
else if (TestName == "in_language") {
1399
// This works only for single-argument Tool::GenerateAction. Join
1400
// tools can process several files in different languages simultaneously.
1402
// TODO: make this work with Edge::Weight (if possible).
1403
O << "LangMap.GetLanguage(inFile) == \"" << OptName << '\"';
1406
else if (TestName == "not_empty" || TestName == "empty") {
1407
bool EmitNegate = (TestName == "not_empty");
1408
apply(EmitEmptyTest(EmitNegate, OptDescs), OptName, O);
1415
/// EmitCaseTest1Arg - Helper function used by EmitCaseConstructHandler();
1416
bool EmitCaseTest1Arg(const std::string& TestName,
1418
const OptionDescriptions& OptDescs,
1420
CheckNumberOfArguments(d, 1);
1421
if (typeid(*d.getArg(0)) == typeid(ListInit))
1422
return EmitCaseTest1ArgList(TestName, d, OptDescs, O);
1424
return EmitCaseTest1ArgStr(TestName, d, OptDescs, O);
1427
/// EmitCaseTest2Args - Helper function used by EmitCaseConstructHandler().
1428
bool EmitCaseTest2Args(const std::string& TestName,
1430
unsigned IndentLevel,
1431
const OptionDescriptions& OptDescs,
1433
CheckNumberOfArguments(d, 2);
1434
const std::string& OptName = InitPtrToString(d.getArg(0));
1435
const std::string& OptArg = InitPtrToString(d.getArg(1));
1437
if (TestName == "parameter_equals") {
1438
const OptionDescription& OptDesc = OptDescs.FindParameter(OptName);
1439
O << OptDesc.GenVariableName() << " == \"" << OptArg << "\"";
1442
else if (TestName == "element_in_list") {
1443
const OptionDescription& OptDesc = OptDescs.FindList(OptName);
1444
const std::string& VarName = OptDesc.GenVariableName();
1445
O << "std::find(" << VarName << ".begin(),\n";
1446
O.indent(IndentLevel + Indent1)
1447
<< VarName << ".end(), \""
1448
<< OptArg << "\") != " << VarName << ".end()";
1455
// Forward declaration.
1456
// EmitLogicalOperationTest and EmitCaseTest are mutually recursive.
1457
void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
1458
const OptionDescriptions& OptDescs,
1461
/// EmitLogicalOperationTest - Helper function used by
1462
/// EmitCaseConstructHandler.
1463
void EmitLogicalOperationTest(const DagInit& d, const char* LogicOp,
1464
unsigned IndentLevel,
1465
const OptionDescriptions& OptDescs,
1468
for (unsigned j = 0, NumArgs = d.getNumArgs(); j < NumArgs; ++j) {
1469
const DagInit& InnerTest = InitPtrToDag(d.getArg(j));
1470
EmitCaseTest(InnerTest, IndentLevel, OptDescs, O);
1471
if (j != NumArgs - 1) {
1473
O.indent(IndentLevel + Indent1) << ' ' << LogicOp << " (";
1481
void EmitLogicalNot(const DagInit& d, unsigned IndentLevel,
1482
const OptionDescriptions& OptDescs, raw_ostream& O)
1484
CheckNumberOfArguments(d, 1);
1485
const DagInit& InnerTest = InitPtrToDag(d.getArg(0));
1487
EmitCaseTest(InnerTest, IndentLevel, OptDescs, O);
1491
/// EmitCaseTest - Helper function used by EmitCaseConstructHandler.
1492
void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
1493
const OptionDescriptions& OptDescs,
1495
const std::string& TestName = GetOperatorName(d);
1497
if (TestName == "and")
1498
EmitLogicalOperationTest(d, "&&", IndentLevel, OptDescs, O);
1499
else if (TestName == "or")
1500
EmitLogicalOperationTest(d, "||", IndentLevel, OptDescs, O);
1501
else if (TestName == "not")
1502
EmitLogicalNot(d, IndentLevel, OptDescs, O);
1503
else if (EmitCaseTest0Args(TestName, O))
1505
else if (EmitCaseTest1Arg(TestName, d, OptDescs, O))
1507
else if (EmitCaseTest2Args(TestName, d, IndentLevel, OptDescs, O))
1510
throw "Unknown test '" + TestName + "' used in the 'case' construct!";
1514
/// EmitCaseTestCallback - Callback used by EmitCaseConstructHandler.
1515
class EmitCaseTestCallback {
1517
const OptionDescriptions& OptDescs_;
1521
EmitCaseTestCallback(bool EmitElseIf,
1522
const OptionDescriptions& OptDescs, raw_ostream& O)
1523
: EmitElseIf_(EmitElseIf), OptDescs_(OptDescs), O_(O)
1526
void operator()(const DagInit& Test, unsigned IndentLevel, bool FirstTest)
1528
if (GetOperatorName(Test) == "default") {
1529
O_.indent(IndentLevel) << "else {\n";
1532
O_.indent(IndentLevel)
1533
<< ((!FirstTest && EmitElseIf_) ? "else if (" : "if (");
1534
EmitCaseTest(Test, IndentLevel, OptDescs_, O_);
1540
/// EmitCaseStatementCallback - Callback used by EmitCaseConstructHandler.
1541
template <typename F>
1542
class EmitCaseStatementCallback {
1547
EmitCaseStatementCallback(F Callback, raw_ostream& O)
1548
: Callback_(Callback), O_(O)
1551
void operator() (const Init* Statement, unsigned IndentLevel) {
1553
// Ignore nested 'case' DAG.
1554
if (!(dynamic_cast<const DagInit*>(Statement) &&
1555
GetOperatorName(static_cast<const DagInit&>(*Statement)) == "case")) {
1556
if (typeid(*Statement) == typeid(ListInit)) {
1557
const ListInit& DagList = *static_cast<const ListInit*>(Statement);
1558
for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
1560
Callback_(*B, (IndentLevel + Indent1), O_);
1563
Callback_(Statement, (IndentLevel + Indent1), O_);
1566
O_.indent(IndentLevel) << "}\n";
1571
/// EmitCaseConstructHandler - Emit code that handles the 'case'
1572
/// construct. Takes a function object that should emit code for every case
1573
/// clause. Implemented on top of WalkCase.
1574
/// Callback's type is void F(const Init* Statement, unsigned IndentLevel,
1575
/// raw_ostream& O).
1576
/// EmitElseIf parameter controls the type of condition that is emitted ('if
1577
/// (..) {..} else if (..) {} .. else {..}' vs. 'if (..) {..} if(..) {..}
1579
template <typename F>
1580
void EmitCaseConstructHandler(const Init* Case, unsigned IndentLevel,
1581
F Callback, bool EmitElseIf,
1582
const OptionDescriptions& OptDescs,
1584
WalkCase(Case, EmitCaseTestCallback(EmitElseIf, OptDescs, O),
1585
EmitCaseStatementCallback<F>(Callback, O), IndentLevel);
1588
/// TokenizeCmdLine - converts from
1589
/// "$CALL(HookName, 'Arg1', 'Arg2')/path -arg1 -arg2" to
1590
/// ["$CALL(", "HookName", "Arg1", "Arg2", ")/path", "-arg1", "-arg2"].
1591
void TokenizeCmdLine(const std::string& CmdLine, StrVector& Out) {
1592
const char* Delimiters = " \t\n\v\f\r";
1594
{ Normal, SpecialCommand, InsideSpecialCommand, InsideQuotationMarks }
1597
if (CmdLine.empty())
1601
std::string::size_type B = CmdLine.find_first_not_of(Delimiters),
1604
for (; B != E; ++B) {
1605
char cur_ch = CmdLine[B];
1609
if (cur_ch == '$') {
1610
cur_st = SpecialCommand;
1613
if (OneOf(Delimiters, cur_ch)) {
1615
B = CmdLine.find_first_not_of(Delimiters, B);
1616
if (B == std::string::npos) {
1627
case SpecialCommand:
1628
if (OneOf(Delimiters, cur_ch)) {
1633
if (cur_ch == '(') {
1635
cur_st = InsideSpecialCommand;
1640
case InsideSpecialCommand:
1641
if (OneOf(Delimiters, cur_ch)) {
1644
if (cur_ch == '\'') {
1645
cur_st = InsideQuotationMarks;
1649
if (cur_ch == ')') {
1653
if (cur_ch == ',') {
1659
case InsideQuotationMarks:
1660
if (cur_ch == '\'') {
1661
cur_st = InsideSpecialCommand;
1667
Out.back().push_back(cur_ch);
1671
/// SubstituteCall - Given "$CALL(HookName, [Arg1 [, Arg2 [...]]])", output
1672
/// "hooks::HookName([Arg1 [, Arg2 [, ...]]])". Helper function used by
1673
/// SubstituteSpecialCommands().
1674
StrVector::const_iterator
1675
SubstituteCall (StrVector::const_iterator Pos,
1676
StrVector::const_iterator End,
1677
bool IsJoin, raw_ostream& O)
1679
const char* errorMessage = "Syntax error in $CALL invocation!";
1680
CheckedIncrement(Pos, End, errorMessage);
1681
const std::string& CmdName = *Pos;
1684
throw "$CALL invocation: empty argument list!";
1687
O << CmdName << "(";
1690
bool firstIteration = true;
1692
CheckedIncrement(Pos, End, errorMessage);
1693
const std::string& Arg = *Pos;
1694
assert(Arg.size() != 0);
1700
firstIteration = false;
1704
if (Arg == "$INFILE") {
1706
throw "$CALL(Hook, $INFILE) can't be used with a Join tool!";
1708
O << "inFile.c_str()";
1711
O << '"' << Arg << '"';
1720
/// SubstituteEnv - Given '$ENV(VAR_NAME)', output 'getenv("VAR_NAME")'. Helper
1721
/// function used by SubstituteSpecialCommands().
1722
StrVector::const_iterator
1723
SubstituteEnv (StrVector::const_iterator Pos,
1724
StrVector::const_iterator End, raw_ostream& O)
1726
const char* errorMessage = "Syntax error in $ENV invocation!";
1727
CheckedIncrement(Pos, End, errorMessage);
1728
const std::string& EnvName = *Pos;
1731
throw "$ENV invocation: empty argument list!";
1733
O << "checkCString(std::getenv(\"";
1737
CheckedIncrement(Pos, End, errorMessage);
1742
/// SubstituteSpecialCommands - Given an invocation of $CALL or $ENV, output
1743
/// handler code. Helper function used by EmitCmdLineVecFill().
1744
StrVector::const_iterator
1745
SubstituteSpecialCommands (StrVector::const_iterator Pos,
1746
StrVector::const_iterator End,
1747
bool IsJoin, raw_ostream& O)
1750
const std::string& cmd = *Pos;
1752
// Perform substitution.
1753
if (cmd == "$CALL") {
1754
Pos = SubstituteCall(Pos, End, IsJoin, O);
1756
else if (cmd == "$ENV") {
1757
Pos = SubstituteEnv(Pos, End, O);
1760
throw "Unknown special command: " + cmd;
1763
// Handle '$CMD(ARG)/additional/text'.
1764
const std::string& Leftover = *Pos;
1765
assert(Leftover.at(0) == ')');
1766
if (Leftover.size() != 1)
1767
O << " + std::string(\"" << (Leftover.c_str() + 1) << "\")";
1772
/// EmitCmdLineVecFill - Emit code that fills in the command line
1773
/// vector. Helper function used by EmitGenerateActionMethod().
1774
void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
1775
bool IsJoin, unsigned IndentLevel,
1778
TokenizeCmdLine(InitPtrToString(CmdLine), StrVec);
1781
throw "Tool '" + ToolName + "' has empty command line!";
1783
StrVector::const_iterator B = StrVec.begin(), E = StrVec.end();
1785
// Emit the command itself.
1786
assert(!StrVec[0].empty());
1787
O.indent(IndentLevel) << "cmd = ";
1788
if (StrVec[0][0] == '$') {
1789
B = SubstituteSpecialCommands(B, E, IsJoin, O);
1793
O << '"' << StrVec[0] << '"';
1798
// Go through the command arguments.
1800
for (; B != E; ++B) {
1801
const std::string& cmd = *B;
1803
assert(!cmd.empty());
1804
O.indent(IndentLevel);
1806
if (cmd.at(0) == '$') {
1807
O << "vec.push_back(std::make_pair(0, ";
1808
B = SubstituteSpecialCommands(B, E, IsJoin, O);
1812
O << "vec.push_back(std::make_pair(0, \"" << cmd << "\"));\n";
1818
/// EmitForwardOptionPropertyHandlingCode - Helper function used to
1819
/// implement EmitActionHandler. Emits code for
1820
/// handling the (forward) and (forward_as) option properties.
1821
void EmitForwardOptionPropertyHandlingCode (const OptionDescription& D,
1822
unsigned IndentLevel,
1823
const std::string& NewName,
1825
const std::string& Name = NewName.empty()
1828
unsigned IndentLevel1 = IndentLevel + Indent1;
1831
case OptionType::Switch:
1832
O.indent(IndentLevel)
1833
<< "vec.push_back(std::make_pair(" << D.GenVariableName()
1834
<< ".getPosition(), \"" << Name << "\"));\n";
1836
case OptionType::Parameter:
1837
O.indent(IndentLevel) << "vec.push_back(std::make_pair("
1838
<< D.GenVariableName()
1839
<<".getPosition(), \"" << Name;
1841
if (!D.isForwardNotSplit()) {
1843
O.indent(IndentLevel) << "vec.push_back(std::make_pair("
1844
<< D.GenVariableName() << ".getPosition(), "
1845
<< D.GenVariableName() << "));\n";
1848
O << "=\" + " << D.GenVariableName() << "));\n";
1851
case OptionType::Prefix:
1852
O.indent(IndentLevel) << "vec.push_back(std::make_pair("
1853
<< D.GenVariableName() << ".getPosition(), \""
1855
<< D.GenVariableName() << "));\n";
1857
case OptionType::PrefixList:
1858
O.indent(IndentLevel)
1859
<< "for (" << D.GenTypeDeclaration()
1860
<< "::iterator B = " << D.GenVariableName() << ".begin(),\n";
1861
O.indent(IndentLevel)
1862
<< "E = " << D.GenVariableName() << ".end(); B != E;) {\n";
1863
O.indent(IndentLevel1) << "unsigned pos = " << D.GenVariableName()
1864
<< ".getPosition(B - " << D.GenVariableName()
1866
O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
1867
<< Name << "\" + " << "*B));\n";
1868
O.indent(IndentLevel1) << "++B;\n";
1870
for (int i = 1, j = D.MultiVal; i < j; ++i) {
1871
O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, *B));\n";
1872
O.indent(IndentLevel1) << "++B;\n";
1875
O.indent(IndentLevel) << "}\n";
1877
case OptionType::ParameterList:
1878
O.indent(IndentLevel)
1879
<< "for (" << D.GenTypeDeclaration() << "::iterator B = "
1880
<< D.GenVariableName() << ".begin(),\n";
1881
O.indent(IndentLevel) << "E = " << D.GenVariableName()
1882
<< ".end() ; B != E;) {\n";
1883
O.indent(IndentLevel1) << "unsigned pos = " << D.GenVariableName()
1884
<< ".getPosition(B - " << D.GenVariableName()
1886
O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
1887
<< Name << "\"));\n";
1889
for (int i = 0, j = D.MultiVal; i < j; ++i) {
1890
O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, *B));\n";
1891
O.indent(IndentLevel1) << "++B;\n";
1894
O.indent(IndentLevel) << "}\n";
1896
case OptionType::Alias:
1898
throw "Aliases are not allowed in tool option descriptions!";
1902
/// ActionHandlingCallbackBase - Base class of EmitActionHandlersCallback and
1903
/// EmitPreprocessOptionsCallback.
1904
struct ActionHandlingCallbackBase
1907
void onErrorDag(const DagInit& d,
1908
unsigned IndentLevel, raw_ostream& O) const
1910
O.indent(IndentLevel)
1911
<< "throw std::runtime_error(\"" <<
1912
(d.getNumArgs() >= 1 ? InitPtrToString(d.getArg(0))
1917
void onWarningDag(const DagInit& d,
1918
unsigned IndentLevel, raw_ostream& O) const
1920
CheckNumberOfArguments(d, 1);
1921
O.indent(IndentLevel) << "llvm::errs() << \""
1922
<< InitPtrToString(d.getArg(0)) << "\";\n";
1927
/// EmitActionHandlersCallback - Emit code that handles actions. Used by
1928
/// EmitGenerateActionMethod() as an argument to EmitCaseConstructHandler().
1930
class EmitActionHandlersCallback;
1932
typedef void (EmitActionHandlersCallback::* EmitActionHandlersCallbackHandler)
1933
(const DagInit&, unsigned, raw_ostream&) const;
1935
class EmitActionHandlersCallback :
1936
public ActionHandlingCallbackBase,
1937
public HandlerTable<EmitActionHandlersCallbackHandler>
1939
typedef EmitActionHandlersCallbackHandler Handler;
1941
const OptionDescriptions& OptDescs;
1943
/// EmitHookInvocation - Common code for hook invocation from actions. Used by
1944
/// onAppendCmd and onOutputSuffix.
1945
void EmitHookInvocation(const std::string& Str,
1946
const char* BlockOpen, const char* BlockClose,
1947
unsigned IndentLevel, raw_ostream& O) const
1950
TokenizeCmdLine(Str, Out);
1952
for (StrVector::const_iterator B = Out.begin(), E = Out.end();
1954
const std::string& cmd = *B;
1956
O.indent(IndentLevel) << BlockOpen;
1958
if (cmd.at(0) == '$')
1959
B = SubstituteSpecialCommands(B, E, /* IsJoin = */ true, O);
1961
O << '"' << cmd << '"';
1967
void onAppendCmd (const DagInit& Dag,
1968
unsigned IndentLevel, raw_ostream& O) const
1970
CheckNumberOfArguments(Dag, 1);
1971
this->EmitHookInvocation(InitPtrToString(Dag.getArg(0)),
1972
"vec.push_back(std::make_pair(65536, ", "));\n",
1976
void onForward (const DagInit& Dag,
1977
unsigned IndentLevel, raw_ostream& O) const
1979
CheckNumberOfArguments(Dag, 1);
1980
const std::string& Name = InitPtrToString(Dag.getArg(0));
1981
EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
1982
IndentLevel, "", O);
1985
void onForwardAs (const DagInit& Dag,
1986
unsigned IndentLevel, raw_ostream& O) const
1988
CheckNumberOfArguments(Dag, 2);
1989
const std::string& Name = InitPtrToString(Dag.getArg(0));
1990
const std::string& NewName = InitPtrToString(Dag.getArg(1));
1991
EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
1992
IndentLevel, NewName, O);
1995
void onForwardValue (const DagInit& Dag,
1996
unsigned IndentLevel, raw_ostream& O) const
1998
CheckNumberOfArguments(Dag, 1);
1999
const std::string& Name = InitPtrToString(Dag.getArg(0));
2000
const OptionDescription& D = OptDescs.FindListOrParameter(Name);
2002
if (D.isParameter()) {
2003
O.indent(IndentLevel) << "vec.push_back(std::make_pair("
2004
<< D.GenVariableName() << ".getPosition(), "
2005
<< D.GenVariableName() << "));\n";
2008
O.indent(IndentLevel) << "for (cl::list<std::string>::iterator B = "
2009
<< D.GenVariableName() << ".begin(), \n";
2010
O.indent(IndentLevel + Indent1) << " E = " << D.GenVariableName()
2011
<< ".end(); B != E; ++B)\n";
2012
O.indent(IndentLevel) << "{\n";
2013
O.indent(IndentLevel + Indent1)
2014
<< "unsigned pos = " << D.GenVariableName()
2015
<< ".getPosition(B - " << D.GenVariableName()
2017
O.indent(IndentLevel + Indent1)
2018
<< "vec.push_back(std::make_pair(pos, *B));\n";
2019
O.indent(IndentLevel) << "}\n";
2023
void onForwardTransformedValue (const DagInit& Dag,
2024
unsigned IndentLevel, raw_ostream& O) const
2026
CheckNumberOfArguments(Dag, 2);
2027
const std::string& Name = InitPtrToString(Dag.getArg(0));
2028
const std::string& Hook = InitPtrToString(Dag.getArg(1));
2029
const OptionDescription& D = OptDescs.FindListOrParameter(Name);
2031
O.indent(IndentLevel) << "vec.push_back(std::make_pair("
2032
<< D.GenVariableName() << ".getPosition("
2033
<< (D.isList() ? "0" : "") << "), "
2034
<< "hooks::" << Hook << "(" << D.GenVariableName()
2035
<< (D.isParameter() ? ".c_str()" : "") << ")));\n";
2038
void onNoOutFile (const DagInit& Dag,
2039
unsigned IndentLevel, raw_ostream& O) const
2041
CheckNumberOfArguments(Dag, 0);
2042
O.indent(IndentLevel) << "no_out_file = true;\n";
2045
void onOutputSuffix (const DagInit& Dag,
2046
unsigned IndentLevel, raw_ostream& O) const
2048
CheckNumberOfArguments(Dag, 1);
2049
this->EmitHookInvocation(InitPtrToString(Dag.getArg(0)),
2050
"output_suffix = ", ";\n", IndentLevel, O);
2053
void onStopCompilation (const DagInit& Dag,
2054
unsigned IndentLevel, raw_ostream& O) const
2056
O.indent(IndentLevel) << "stop_compilation = true;\n";
2060
void onUnpackValues (const DagInit& Dag,
2061
unsigned IndentLevel, raw_ostream& O) const
2063
throw "'unpack_values' is deprecated. "
2064
"Use 'comma_separated' + 'forward_value' instead!";
2069
explicit EmitActionHandlersCallback(const OptionDescriptions& OD)
2072
if (!staticMembersInitialized_) {
2073
AddHandler("error", &EmitActionHandlersCallback::onErrorDag);
2074
AddHandler("warning", &EmitActionHandlersCallback::onWarningDag);
2075
AddHandler("append_cmd", &EmitActionHandlersCallback::onAppendCmd);
2076
AddHandler("forward", &EmitActionHandlersCallback::onForward);
2077
AddHandler("forward_as", &EmitActionHandlersCallback::onForwardAs);
2078
AddHandler("forward_value", &EmitActionHandlersCallback::onForwardValue);
2079
AddHandler("forward_transformed_value",
2080
&EmitActionHandlersCallback::onForwardTransformedValue);
2081
AddHandler("no_out_file",
2082
&EmitActionHandlersCallback::onNoOutFile);
2083
AddHandler("output_suffix", &EmitActionHandlersCallback::onOutputSuffix);
2084
AddHandler("stop_compilation",
2085
&EmitActionHandlersCallback::onStopCompilation);
2086
AddHandler("unpack_values",
2087
&EmitActionHandlersCallback::onUnpackValues);
2090
staticMembersInitialized_ = true;
2094
void operator()(const Init* I,
2095
unsigned IndentLevel, raw_ostream& O) const
2097
InvokeDagInitHandler(this, I, IndentLevel, O);
2101
void EmitGenerateActionMethodHeader(const ToolDescription& D,
2102
bool IsJoin, raw_ostream& O)
2105
O.indent(Indent1) << "Action GenerateAction(const PathVector& inFiles,\n";
2107
O.indent(Indent1) << "Action GenerateAction(const sys::Path& inFile,\n";
2109
O.indent(Indent2) << "bool HasChildren,\n";
2110
O.indent(Indent2) << "const llvm::sys::Path& TempDir,\n";
2111
O.indent(Indent2) << "const InputLanguagesSet& InLangs,\n";
2112
O.indent(Indent2) << "const LanguageMap& LangMap) const\n";
2113
O.indent(Indent1) << "{\n";
2114
O.indent(Indent2) << "std::string cmd;\n";
2115
O.indent(Indent2) << "std::string out_file;\n";
2116
O.indent(Indent2) << "std::vector<std::pair<unsigned, std::string> > vec;\n";
2117
O.indent(Indent2) << "bool stop_compilation = !HasChildren;\n";
2118
O.indent(Indent2) << "bool no_out_file = false;\n";
2119
O.indent(Indent2) << "const char* output_suffix = \""
2120
<< D.OutputSuffix << "\";\n";
2123
// EmitGenerateActionMethod - Emit either a normal or a "join" version of the
2124
// Tool::GenerateAction() method.
2125
void EmitGenerateActionMethod (const ToolDescription& D,
2126
const OptionDescriptions& OptDescs,
2127
bool IsJoin, raw_ostream& O) {
2129
EmitGenerateActionMethodHeader(D, IsJoin, O);
2132
throw "Tool " + D.Name + " has no cmd_line property!";
2134
// Process the 'command' property.
2136
EmitCmdLineVecFill(D.CmdLine, D.Name, IsJoin, Indent2, O);
2139
// Process the 'actions' list of this tool.
2141
EmitCaseConstructHandler(D.Actions, Indent2,
2142
EmitActionHandlersCallback(OptDescs),
2143
false, OptDescs, O);
2147
if (!D.InFileOption.empty()) {
2149
<< "vec.push_back(std::make_pair(InputFilenames.getPosition(0), \""
2150
<< D.InFileOption << "\");\n";
2155
<< "for (PathVector::const_iterator B = inFiles.begin(),\n";
2156
O.indent(Indent3) << "E = inFiles.end(); B != E; ++B)\n";
2157
O.indent(Indent2) << "{\n";
2158
O.indent(Indent3) << "vec.push_back(std::make_pair("
2159
<< "InputFilenames.getPosition(B - inFiles.begin()), "
2161
O.indent(Indent2) << "}\n";
2164
O.indent(Indent2) << "vec.push_back(std::make_pair("
2165
<< "InputFilenames.getPosition(0), inFile.str()));\n";
2169
O.indent(Indent2) << "if (!no_out_file) {\n";
2170
if (!D.OutFileOption.empty())
2171
O.indent(Indent3) << "vec.push_back(std::make_pair(65536, \""
2172
<< D.OutFileOption << "\"));\n";
2174
O.indent(Indent3) << "out_file = this->OutFilename("
2175
<< (IsJoin ? "sys::Path(),\n" : "inFile,\n");
2176
O.indent(Indent4) << "TempDir, stop_compilation, output_suffix).str();\n\n";
2177
O.indent(Indent3) << "vec.push_back(std::make_pair(65536, out_file));\n";
2179
O.indent(Indent2) << "}\n\n";
2181
// Handle the Sink property.
2183
O.indent(Indent2) << "if (!" << SinkOptionName << ".empty()) {\n";
2184
O.indent(Indent3) << "for (cl::list<std::string>::iterator B = "
2185
<< SinkOptionName << ".begin(), E = " << SinkOptionName
2186
<< ".end(); B != E; ++B)\n";
2187
O.indent(Indent4) << "vec.push_back(std::make_pair(" << SinkOptionName
2188
<< ".getPosition(B - " << SinkOptionName
2189
<< ".begin()), *B));\n";
2190
O.indent(Indent2) << "}\n";
2193
O.indent(Indent2) << "return Action(cmd, this->SortArgs(vec), "
2194
<< "stop_compilation, out_file);\n";
2195
O.indent(Indent1) << "}\n\n";
2198
/// EmitGenerateActionMethods - Emit two GenerateAction() methods for
2199
/// a given Tool class.
2200
void EmitGenerateActionMethods (const ToolDescription& ToolDesc,
2201
const OptionDescriptions& OptDescs,
2203
if (!ToolDesc.isJoin()) {
2204
O.indent(Indent1) << "Action GenerateAction(const PathVector& inFiles,\n";
2205
O.indent(Indent2) << "bool HasChildren,\n";
2206
O.indent(Indent2) << "const llvm::sys::Path& TempDir,\n";
2207
O.indent(Indent2) << "const InputLanguagesSet& InLangs,\n";
2208
O.indent(Indent2) << "const LanguageMap& LangMap) const\n";
2209
O.indent(Indent1) << "{\n";
2210
O.indent(Indent2) << "throw std::runtime_error(\"" << ToolDesc.Name
2211
<< " is not a Join tool!\");\n";
2212
O.indent(Indent1) << "}\n\n";
2215
EmitGenerateActionMethod(ToolDesc, OptDescs, true, O);
2218
EmitGenerateActionMethod(ToolDesc, OptDescs, false, O);
2221
/// EmitInOutLanguageMethods - Emit the [Input,Output]Language()
2222
/// methods for a given Tool class.
2223
void EmitInOutLanguageMethods (const ToolDescription& D, raw_ostream& O) {
2224
O.indent(Indent1) << "const char** InputLanguages() const {\n";
2225
O.indent(Indent2) << "return InputLanguages_;\n";
2226
O.indent(Indent1) << "}\n\n";
2228
if (D.OutLanguage.empty())
2229
throw "Tool " + D.Name + " has no 'out_language' property!";
2231
O.indent(Indent1) << "const char* OutputLanguage() const {\n";
2232
O.indent(Indent2) << "return \"" << D.OutLanguage << "\";\n";
2233
O.indent(Indent1) << "}\n\n";
2236
/// EmitNameMethod - Emit the Name() method for a given Tool class.
2237
void EmitNameMethod (const ToolDescription& D, raw_ostream& O) {
2238
O.indent(Indent1) << "const char* Name() const {\n";
2239
O.indent(Indent2) << "return \"" << D.Name << "\";\n";
2240
O.indent(Indent1) << "}\n\n";
2243
/// EmitIsJoinMethod - Emit the IsJoin() method for a given Tool
2245
void EmitIsJoinMethod (const ToolDescription& D, raw_ostream& O) {
2246
O.indent(Indent1) << "bool IsJoin() const {\n";
2248
O.indent(Indent2) << "return true;\n";
2250
O.indent(Indent2) << "return false;\n";
2251
O.indent(Indent1) << "}\n\n";
2254
/// EmitWorksOnEmptyCallback - Callback used by EmitWorksOnEmptyMethod in
2255
/// conjunction with EmitCaseConstructHandler.
2256
void EmitWorksOnEmptyCallback (const Init* Value,
2257
unsigned IndentLevel, raw_ostream& O) {
2258
CheckBooleanConstant(Value);
2259
O.indent(IndentLevel) << "return " << Value->getAsString() << ";\n";
2262
/// EmitWorksOnEmptyMethod - Emit the WorksOnEmpty() method for a given Tool
2264
void EmitWorksOnEmptyMethod (const ToolDescription& D,
2265
const OptionDescriptions& OptDescs,
2268
O.indent(Indent1) << "bool WorksOnEmpty() const {\n";
2270
O.indent(Indent2) << "return false;\n";
2272
EmitCaseConstructHandler(D.OnEmpty, Indent2, EmitWorksOnEmptyCallback,
2273
/*EmitElseIf = */ true, OptDescs, O);
2274
O.indent(Indent1) << "}\n\n";
2277
/// EmitStaticMemberDefinitions - Emit static member definitions for a
2278
/// given Tool class.
2279
void EmitStaticMemberDefinitions(const ToolDescription& D, raw_ostream& O) {
2280
if (D.InLanguage.empty())
2281
throw "Tool " + D.Name + " has no 'in_language' property!";
2283
O << "const char* " << D.Name << "::InputLanguages_[] = {";
2284
for (StrVector::const_iterator B = D.InLanguage.begin(),
2285
E = D.InLanguage.end(); B != E; ++B)
2286
O << '\"' << *B << "\", ";
2290
/// EmitToolClassDefinition - Emit a Tool class definition.
2291
void EmitToolClassDefinition (const ToolDescription& D,
2292
const OptionDescriptions& OptDescs,
2294
if (D.Name == "root")
2298
O << "class " << D.Name << " : public ";
2304
O << " {\nprivate:\n";
2305
O.indent(Indent1) << "static const char* InputLanguages_[];\n\n";
2308
EmitNameMethod(D, O);
2309
EmitInOutLanguageMethods(D, O);
2310
EmitIsJoinMethod(D, O);
2311
EmitWorksOnEmptyMethod(D, OptDescs, O);
2312
EmitGenerateActionMethods(D, OptDescs, O);
2314
// Close class definition
2317
EmitStaticMemberDefinitions(D, O);
2321
/// EmitOptionDefinitions - Iterate over a list of option descriptions
2322
/// and emit registration code.
2323
void EmitOptionDefinitions (const OptionDescriptions& descs,
2324
bool HasSink, bool HasExterns,
2327
std::vector<OptionDescription> Aliases;
2329
// Emit static cl::Option variables.
2330
for (OptionDescriptions::const_iterator B = descs.begin(),
2331
E = descs.end(); B!=E; ++B) {
2332
const OptionDescription& val = B->second;
2334
if (val.Type == OptionType::Alias) {
2335
Aliases.push_back(val);
2342
O << val.GenTypeDeclaration() << ' '
2343
<< val.GenVariableName();
2345
if (val.isExtern()) {
2350
O << "(\"" << val.Name << "\"\n";
2352
if (val.Type == OptionType::Prefix || val.Type == OptionType::PrefixList)
2353
O << ", cl::Prefix";
2355
if (val.isRequired()) {
2356
if (val.isList() && !val.isMultiVal())
2357
O << ", cl::OneOrMore";
2359
O << ", cl::Required";
2362
if (val.isOptional())
2363
O << ", cl::Optional";
2365
if (val.isOneOrMore())
2366
O << ", cl::OneOrMore";
2368
if (val.isZeroOrMore())
2369
O << ", cl::ZeroOrMore";
2371
if (val.isReallyHidden())
2372
O << ", cl::ReallyHidden";
2373
else if (val.isHidden())
2374
O << ", cl::Hidden";
2376
if (val.isCommaSeparated())
2377
O << ", cl::CommaSeparated";
2379
if (val.MultiVal > 1)
2380
O << ", cl::multi_val(" << val.MultiVal << ')';
2383
const std::string& str = val.InitVal->getAsString();
2384
O << ", cl::init(" << str << ')';
2387
if (!val.Help.empty())
2388
O << ", cl::desc(\"" << val.Help << "\")";
2393
// Emit the aliases (they should go after all the 'proper' options).
2394
for (std::vector<OptionDescription>::const_iterator
2395
B = Aliases.begin(), E = Aliases.end(); B != E; ++B) {
2396
const OptionDescription& val = *B;
2398
O << val.GenTypeDeclaration() << ' '
2399
<< val.GenVariableName()
2400
<< "(\"" << val.Name << '\"';
2402
const OptionDescription& D = descs.FindOption(val.Help);
2403
O << ", cl::aliasopt(" << D.GenVariableName() << ")";
2405
O << ", cl::desc(\"" << "An alias for -" + val.Help << "\"));\n";
2408
// Emit the sink option.
2410
O << (HasExterns ? "extern cl" : "cl")
2411
<< "::list<std::string> " << SinkOptionName
2412
<< (HasExterns ? ";\n" : "(cl::Sink);\n");
2417
/// EmitPreprocessOptionsCallback - Helper function passed to
2418
/// EmitCaseConstructHandler() by EmitPreprocessOptions().
2420
class EmitPreprocessOptionsCallback;
2423
(EmitPreprocessOptionsCallback::* EmitPreprocessOptionsCallbackHandler)
2424
(const DagInit&, unsigned, raw_ostream&) const;
2426
class EmitPreprocessOptionsCallback :
2427
public ActionHandlingCallbackBase,
2428
public HandlerTable<EmitPreprocessOptionsCallbackHandler>
2430
typedef EmitPreprocessOptionsCallbackHandler Handler;
2432
(EmitPreprocessOptionsCallback::* HandlerImpl)
2433
(const Init*, unsigned, raw_ostream&) const;
2435
const OptionDescriptions& OptDescs_;
2437
void onListOrDag(const DagInit& d, HandlerImpl h,
2438
unsigned IndentLevel, raw_ostream& O) const
2440
CheckNumberOfArguments(d, 1);
2441
const Init* I = d.getArg(0);
2443
// If I is a list, apply h to each element.
2444
if (typeid(*I) == typeid(ListInit)) {
2445
const ListInit& L = *static_cast<const ListInit*>(I);
2446
for (ListInit::const_iterator B = L.begin(), E = L.end(); B != E; ++B)
2447
((this)->*(h))(*B, IndentLevel, O);
2449
// Otherwise, apply h to I.
2451
((this)->*(h))(I, IndentLevel, O);
2455
void onUnsetOptionImpl(const Init* I,
2456
unsigned IndentLevel, raw_ostream& O) const
2458
const std::string& OptName = InitPtrToString(I);
2459
const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
2461
if (OptDesc.isSwitch()) {
2462
O.indent(IndentLevel) << OptDesc.GenVariableName() << " = false;\n";
2464
else if (OptDesc.isParameter()) {
2465
O.indent(IndentLevel) << OptDesc.GenVariableName() << " = \"\";\n";
2467
else if (OptDesc.isList()) {
2468
O.indent(IndentLevel) << OptDesc.GenVariableName() << ".clear();\n";
2471
throw "Can't apply 'unset_option' to alias option '" + OptName + "'!";
2475
void onUnsetOption(const DagInit& d,
2476
unsigned IndentLevel, raw_ostream& O) const
2478
this->onListOrDag(d, &EmitPreprocessOptionsCallback::onUnsetOptionImpl,
2482
void onSetOptionImpl(const DagInit& d,
2483
unsigned IndentLevel, raw_ostream& O) const {
2484
CheckNumberOfArguments(d, 2);
2485
const std::string& OptName = InitPtrToString(d.getArg(0));
2486
const Init* Value = d.getArg(1);
2487
const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
2489
if (OptDesc.isList()) {
2490
const ListInit& List = InitPtrToList(Value);
2492
O.indent(IndentLevel) << OptDesc.GenVariableName() << ".clear();\n";
2493
for (ListInit::const_iterator B = List.begin(), E = List.end();
2495
O.indent(IndentLevel) << OptDesc.GenVariableName() << ".push_back(\""
2496
<< InitPtrToString(*B) << "\");\n";
2499
else if (OptDesc.isSwitch()) {
2500
CheckBooleanConstant(Value);
2501
O.indent(IndentLevel) << OptDesc.GenVariableName()
2502
<< " = " << Value->getAsString() << ";\n";
2504
else if (OptDesc.isParameter()) {
2505
const std::string& Str = InitPtrToString(Value);
2506
O.indent(IndentLevel) << OptDesc.GenVariableName()
2507
<< " = \"" << Str << "\";\n";
2510
throw "Can't apply 'set_option' to alias option -" + OptName + " !";
2514
void onSetSwitch(const Init* I,
2515
unsigned IndentLevel, raw_ostream& O) const {
2516
const std::string& OptName = InitPtrToString(I);
2517
const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
2519
if (OptDesc.isSwitch())
2520
O.indent(IndentLevel) << OptDesc.GenVariableName() << " = true;\n";
2522
throw "set_option: -" + OptName + " is not a switch option!";
2525
void onSetOption(const DagInit& d,
2526
unsigned IndentLevel, raw_ostream& O) const
2528
CheckNumberOfArguments(d, 1);
2530
// Two arguments: (set_option "parameter", VALUE), where VALUE can be a
2531
// boolean, a string or a string list.
2532
if (d.getNumArgs() > 1)
2533
this->onSetOptionImpl(d, IndentLevel, O);
2534
// One argument: (set_option "switch")
2535
// or (set_option ["switch1", "switch2", ...])
2537
this->onListOrDag(d, &EmitPreprocessOptionsCallback::onSetSwitch,
2543
EmitPreprocessOptionsCallback(const OptionDescriptions& OptDescs)
2544
: OptDescs_(OptDescs)
2546
if (!staticMembersInitialized_) {
2547
AddHandler("error", &EmitPreprocessOptionsCallback::onErrorDag);
2548
AddHandler("warning", &EmitPreprocessOptionsCallback::onWarningDag);
2549
AddHandler("unset_option", &EmitPreprocessOptionsCallback::onUnsetOption);
2550
AddHandler("set_option", &EmitPreprocessOptionsCallback::onSetOption);
2552
staticMembersInitialized_ = true;
2556
void operator()(const Init* I,
2557
unsigned IndentLevel, raw_ostream& O) const
2559
InvokeDagInitHandler(this, I, IndentLevel, O);
2564
/// EmitPreprocessOptions - Emit the PreprocessOptionsLocal() function.
2565
void EmitPreprocessOptions (const RecordKeeper& Records,
2566
const OptionDescriptions& OptDecs, raw_ostream& O)
2568
O << "void PreprocessOptionsLocal() {\n";
2570
const RecordVector& OptionPreprocessors =
2571
Records.getAllDerivedDefinitions("OptionPreprocessor");
2573
for (RecordVector::const_iterator B = OptionPreprocessors.begin(),
2574
E = OptionPreprocessors.end(); B!=E; ++B) {
2575
DagInit* Case = (*B)->getValueAsDag("preprocessor");
2576
EmitCaseConstructHandler(Case, Indent1,
2577
EmitPreprocessOptionsCallback(OptDecs),
2584
/// EmitPopulateLanguageMap - Emit the PopulateLanguageMapLocal() function.
2585
void EmitPopulateLanguageMap (const RecordKeeper& Records, raw_ostream& O)
2587
O << "void PopulateLanguageMapLocal(LanguageMap& langMap) {\n";
2589
// Get the relevant field out of RecordKeeper
2590
const Record* LangMapRecord = Records.getDef("LanguageMap");
2592
// It is allowed for a plugin to have no language map.
2593
if (LangMapRecord) {
2595
ListInit* LangsToSuffixesList = LangMapRecord->getValueAsListInit("map");
2596
if (!LangsToSuffixesList)
2597
throw "Error in the language map definition!";
2599
for (unsigned i = 0; i < LangsToSuffixesList->size(); ++i) {
2600
const Record* LangToSuffixes = LangsToSuffixesList->getElementAsRecord(i);
2602
const std::string& Lang = LangToSuffixes->getValueAsString("lang");
2603
const ListInit* Suffixes = LangToSuffixes->getValueAsListInit("suffixes");
2605
for (unsigned i = 0; i < Suffixes->size(); ++i)
2606
O.indent(Indent1) << "langMap[\""
2607
<< InitPtrToString(Suffixes->getElement(i))
2608
<< "\"] = \"" << Lang << "\";\n";
2615
/// IncDecWeight - Helper function passed to EmitCaseConstructHandler()
2616
/// by EmitEdgeClass().
2617
void IncDecWeight (const Init* i, unsigned IndentLevel,
2619
const DagInit& d = InitPtrToDag(i);
2620
const std::string& OpName = GetOperatorName(d);
2622
if (OpName == "inc_weight") {
2623
O.indent(IndentLevel) << "ret += ";
2625
else if (OpName == "dec_weight") {
2626
O.indent(IndentLevel) << "ret -= ";
2628
else if (OpName == "error") {
2629
CheckNumberOfArguments(d, 1);
2630
O.indent(IndentLevel) << "throw std::runtime_error(\""
2631
<< InitPtrToString(d.getArg(0))
2636
throw "Unknown operator in edge properties list: '" + OpName + "'!"
2637
"\nOnly 'inc_weight', 'dec_weight' and 'error' are allowed.";
2640
if (d.getNumArgs() > 0)
2641
O << InitPtrToInt(d.getArg(0)) << ";\n";
2647
/// EmitEdgeClass - Emit a single Edge# class.
2648
void EmitEdgeClass (unsigned N, const std::string& Target,
2649
DagInit* Case, const OptionDescriptions& OptDescs,
2652
// Class constructor.
2653
O << "class Edge" << N << ": public Edge {\n"
2655
O.indent(Indent1) << "Edge" << N << "() : Edge(\"" << Target
2658
// Function Weight().
2660
<< "unsigned Weight(const InputLanguagesSet& InLangs) const {\n";
2661
O.indent(Indent2) << "unsigned ret = 0;\n";
2663
// Handle the 'case' construct.
2664
EmitCaseConstructHandler(Case, Indent2, IncDecWeight, false, OptDescs, O);
2666
O.indent(Indent2) << "return ret;\n";
2667
O.indent(Indent1) << "}\n\n};\n\n";
2670
/// EmitEdgeClasses - Emit Edge* classes that represent graph edges.
2671
void EmitEdgeClasses (const RecordVector& EdgeVector,
2672
const OptionDescriptions& OptDescs,
2675
for (RecordVector::const_iterator B = EdgeVector.begin(),
2676
E = EdgeVector.end(); B != E; ++B) {
2677
const Record* Edge = *B;
2678
const std::string& NodeB = Edge->getValueAsString("b");
2679
DagInit& Weight = *Edge->getValueAsDag("weight");
2681
if (!IsDagEmpty(Weight))
2682
EmitEdgeClass(i, NodeB, &Weight, OptDescs, O);
2687
/// EmitPopulateCompilationGraph - Emit the PopulateCompilationGraphLocal()
2689
void EmitPopulateCompilationGraph (const RecordVector& EdgeVector,
2690
const ToolDescriptions& ToolDescs,
2693
O << "void PopulateCompilationGraphLocal(CompilationGraph& G) {\n";
2695
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
2696
E = ToolDescs.end(); B != E; ++B)
2697
O.indent(Indent1) << "G.insertNode(new " << (*B)->Name << "());\n";
2704
for (RecordVector::const_iterator B = EdgeVector.begin(),
2705
E = EdgeVector.end(); B != E; ++B) {
2706
const Record* Edge = *B;
2707
const std::string& NodeA = Edge->getValueAsString("a");
2708
const std::string& NodeB = Edge->getValueAsString("b");
2709
DagInit& Weight = *Edge->getValueAsDag("weight");
2711
O.indent(Indent1) << "G.insertEdge(\"" << NodeA << "\", ";
2713
if (IsDagEmpty(Weight))
2714
O << "new SimpleEdge(\"" << NodeB << "\")";
2716
O << "new Edge" << i << "()";
2725
/// HookInfo - Information about the hook type and number of arguments.
2728
// A hook can either have a single parameter of type std::vector<std::string>,
2729
// or NumArgs parameters of type const char*.
2730
enum HookType { ListHook, ArgHook };
2735
HookInfo() : Type(ArgHook), NumArgs(1)
2738
HookInfo(HookType T) : Type(T), NumArgs(1)
2741
HookInfo(unsigned N) : Type(ArgHook), NumArgs(N)
2745
typedef llvm::StringMap<HookInfo> HookInfoMap;
2747
/// ExtractHookNames - Extract the hook names from all instances of
2748
/// $CALL(HookName) in the provided command line string/action. Helper
2749
/// function used by FillInHookNames().
2750
class ExtractHookNames {
2751
HookInfoMap& HookNames_;
2752
const OptionDescriptions& OptDescs_;
2754
ExtractHookNames(HookInfoMap& HookNames, const OptionDescriptions& OptDescs)
2755
: HookNames_(HookNames), OptDescs_(OptDescs)
2758
void onAction (const DagInit& Dag) {
2759
const std::string& Name = GetOperatorName(Dag);
2761
if (Name == "forward_transformed_value") {
2762
CheckNumberOfArguments(Dag, 2);
2763
const std::string& OptName = InitPtrToString(Dag.getArg(0));
2764
const std::string& HookName = InitPtrToString(Dag.getArg(1));
2765
const OptionDescription& D = OptDescs_.FindOption(OptName);
2767
HookNames_[HookName] = HookInfo(D.isList() ? HookInfo::ListHook
2768
: HookInfo::ArgHook);
2770
else if (Name == "append_cmd" || Name == "output_suffix") {
2771
CheckNumberOfArguments(Dag, 1);
2772
this->onCmdLine(InitPtrToString(Dag.getArg(0)));
2776
void onCmdLine(const std::string& Cmd) {
2778
TokenizeCmdLine(Cmd, cmds);
2780
for (StrVector::const_iterator B = cmds.begin(), E = cmds.end();
2782
const std::string& cmd = *B;
2784
if (cmd == "$CALL") {
2785
unsigned NumArgs = 0;
2786
CheckedIncrement(B, E, "Syntax error in $CALL invocation!");
2787
const std::string& HookName = *B;
2789
if (HookName.at(0) == ')')
2790
throw "$CALL invoked with no arguments!";
2792
while (++B != E && B->at(0) != ')') {
2796
HookInfoMap::const_iterator H = HookNames_.find(HookName);
2798
if (H != HookNames_.end() && H->second.NumArgs != NumArgs &&
2799
H->second.Type != HookInfo::ArgHook)
2800
throw "Overloading of hooks is not allowed. Overloaded hook: "
2803
HookNames_[HookName] = HookInfo(NumArgs);
2808
void operator()(const Init* Arg) {
2810
// We're invoked on an action (either a dag or a dag list).
2811
if (typeid(*Arg) == typeid(DagInit)) {
2812
const DagInit& Dag = InitPtrToDag(Arg);
2813
this->onAction(Dag);
2816
else if (typeid(*Arg) == typeid(ListInit)) {
2817
const ListInit& List = InitPtrToList(Arg);
2818
for (ListInit::const_iterator B = List.begin(), E = List.end(); B != E;
2820
const DagInit& Dag = InitPtrToDag(*B);
2821
this->onAction(Dag);
2826
// We're invoked on a command line.
2827
this->onCmdLine(InitPtrToString(Arg));
2830
void operator()(const DagInit* Test, unsigned, bool) {
2831
this->operator()(Test);
2833
void operator()(const Init* Statement, unsigned) {
2834
this->operator()(Statement);
2838
/// FillInHookNames - Actually extract the hook names from all command
2839
/// line strings. Helper function used by EmitHookDeclarations().
2840
void FillInHookNames(const ToolDescriptions& ToolDescs,
2841
const OptionDescriptions& OptDescs,
2842
HookInfoMap& HookNames)
2844
// For all tool descriptions:
2845
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
2846
E = ToolDescs.end(); B != E; ++B) {
2847
const ToolDescription& D = *(*B);
2849
// Look for 'forward_transformed_value' in 'actions'.
2851
WalkCase(D.Actions, Id(), ExtractHookNames(HookNames, OptDescs));
2853
// Look for hook invocations in 'cmd_line'.
2856
if (dynamic_cast<StringInit*>(D.CmdLine))
2857
// This is a string.
2858
ExtractHookNames(HookNames, OptDescs).operator()(D.CmdLine);
2860
// This is a 'case' construct.
2861
WalkCase(D.CmdLine, Id(), ExtractHookNames(HookNames, OptDescs));
2865
/// EmitHookDeclarations - Parse CmdLine fields of all the tool
2866
/// property records and emit hook function declaration for each
2867
/// instance of $CALL(HookName).
2868
void EmitHookDeclarations(const ToolDescriptions& ToolDescs,
2869
const OptionDescriptions& OptDescs, raw_ostream& O) {
2870
HookInfoMap HookNames;
2872
FillInHookNames(ToolDescs, OptDescs, HookNames);
2873
if (HookNames.empty())
2876
O << "namespace hooks {\n";
2877
for (HookInfoMap::const_iterator B = HookNames.begin(),
2878
E = HookNames.end(); B != E; ++B) {
2879
const char* HookName = B->first();
2880
const HookInfo& Info = B->second;
2882
O.indent(Indent1) << "std::string " << HookName << "(";
2884
if (Info.Type == HookInfo::ArgHook) {
2885
for (unsigned i = 0, j = Info.NumArgs; i < j; ++i) {
2886
O << "const char* Arg" << i << (i+1 == j ? "" : ", ");
2890
O << "const std::vector<std::string>& Arg";
2898
/// EmitRegisterPlugin - Emit code to register this plugin.
2899
void EmitRegisterPlugin(int Priority, raw_ostream& O) {
2900
O << "struct Plugin : public llvmc::BasePlugin {\n\n";
2901
O.indent(Indent1) << "int Priority() const { return "
2902
<< Priority << "; }\n\n";
2903
O.indent(Indent1) << "void PreprocessOptions() const\n";
2904
O.indent(Indent1) << "{ PreprocessOptionsLocal(); }\n\n";
2905
O.indent(Indent1) << "void PopulateLanguageMap(LanguageMap& langMap) const\n";
2906
O.indent(Indent1) << "{ PopulateLanguageMapLocal(langMap); }\n\n";
2908
<< "void PopulateCompilationGraph(CompilationGraph& graph) const\n";
2909
O.indent(Indent1) << "{ PopulateCompilationGraphLocal(graph); }\n"
2911
<< "static llvmc::RegisterPlugin<Plugin> RP;\n\n";
2914
/// EmitIncludes - Emit necessary #include directives and some
2915
/// additional declarations.
2916
void EmitIncludes(raw_ostream& O) {
2917
O << "#include \"llvm/CompilerDriver/BuiltinOptions.h\"\n"
2918
<< "#include \"llvm/CompilerDriver/CompilationGraph.h\"\n"
2919
<< "#include \"llvm/CompilerDriver/ForceLinkageMacros.h\"\n"
2920
<< "#include \"llvm/CompilerDriver/Plugin.h\"\n"
2921
<< "#include \"llvm/CompilerDriver/Tool.h\"\n\n"
2923
<< "#include \"llvm/Support/CommandLine.h\"\n"
2924
<< "#include \"llvm/Support/raw_ostream.h\"\n\n"
2926
<< "#include <algorithm>\n"
2927
<< "#include <cstdlib>\n"
2928
<< "#include <iterator>\n"
2929
<< "#include <stdexcept>\n\n"
2931
<< "using namespace llvm;\n"
2932
<< "using namespace llvmc;\n\n"
2934
<< "extern cl::opt<std::string> OutputFilename;\n\n"
2936
<< "inline const char* checkCString(const char* s)\n"
2937
<< "{ return s == NULL ? \"\" : s; }\n\n";
2941
/// PluginData - Holds all information about a plugin.
2943
OptionDescriptions OptDescs;
2946
ToolDescriptions ToolDescs;
2951
/// HasSink - Go through the list of tool descriptions and check if
2952
/// there are any with the 'sink' property set.
2953
bool HasSink(const ToolDescriptions& ToolDescs) {
2954
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
2955
E = ToolDescs.end(); B != E; ++B)
2962
/// HasExterns - Go through the list of option descriptions and check
2963
/// if there are any external options.
2964
bool HasExterns(const OptionDescriptions& OptDescs) {
2965
for (OptionDescriptions::const_iterator B = OptDescs.begin(),
2966
E = OptDescs.end(); B != E; ++B)
2967
if (B->second.isExtern())
2973
/// CollectPluginData - Collect tool and option properties,
2974
/// compilation graph edges and plugin priority from the parse tree.
2975
void CollectPluginData (const RecordKeeper& Records, PluginData& Data) {
2976
// Collect option properties.
2977
const RecordVector& OptionLists =
2978
Records.getAllDerivedDefinitions("OptionList");
2979
CollectOptionDescriptions(OptionLists.begin(), OptionLists.end(),
2982
// Collect tool properties.
2983
const RecordVector& Tools = Records.getAllDerivedDefinitions("Tool");
2984
CollectToolDescriptions(Tools.begin(), Tools.end(), Data.ToolDescs);
2985
Data.HasSink = HasSink(Data.ToolDescs);
2986
Data.HasExterns = HasExterns(Data.OptDescs);
2988
// Collect compilation graph edges.
2989
const RecordVector& CompilationGraphs =
2990
Records.getAllDerivedDefinitions("CompilationGraph");
2991
FillInEdgeVector(CompilationGraphs.begin(), CompilationGraphs.end(),
2994
// Calculate the priority of this plugin.
2995
const RecordVector& Priorities =
2996
Records.getAllDerivedDefinitions("PluginPriority");
2997
Data.Priority = CalculatePriority(Priorities.begin(), Priorities.end());
3000
/// CheckPluginData - Perform some sanity checks on the collected data.
3001
void CheckPluginData(PluginData& Data) {
3002
// Filter out all tools not mentioned in the compilation graph.
3003
FilterNotInGraph(Data.Edges, Data.ToolDescs);
3005
// Typecheck the compilation graph.
3006
TypecheckGraph(Data.Edges, Data.ToolDescs);
3008
// Check that there are no options without side effects (specified
3009
// only in the OptionList).
3010
CheckForSuperfluousOptions(Data.Edges, Data.ToolDescs, Data.OptDescs);
3013
void EmitPluginCode(const PluginData& Data, raw_ostream& O) {
3014
// Emit file header.
3017
// Emit global option registration code.
3018
EmitOptionDefinitions(Data.OptDescs, Data.HasSink, Data.HasExterns, O);
3020
// Emit hook declarations.
3021
EmitHookDeclarations(Data.ToolDescs, Data.OptDescs, O);
3023
O << "namespace {\n\n";
3025
// Emit PreprocessOptionsLocal() function.
3026
EmitPreprocessOptions(Records, Data.OptDescs, O);
3028
// Emit PopulateLanguageMapLocal() function
3029
// (language map maps from file extensions to language names).
3030
EmitPopulateLanguageMap(Records, O);
3032
// Emit Tool classes.
3033
for (ToolDescriptions::const_iterator B = Data.ToolDescs.begin(),
3034
E = Data.ToolDescs.end(); B!=E; ++B)
3035
EmitToolClassDefinition(*(*B), Data.OptDescs, O);
3037
// Emit Edge# classes.
3038
EmitEdgeClasses(Data.Edges, Data.OptDescs, O);
3040
// Emit PopulateCompilationGraphLocal() function.
3041
EmitPopulateCompilationGraph(Data.Edges, Data.ToolDescs, O);
3043
// Emit code for plugin registration.
3044
EmitRegisterPlugin(Data.Priority, O);
3046
O << "} // End anonymous namespace.\n\n";
3048
// Force linkage magic.
3049
O << "namespace llvmc {\n";
3050
O << "LLVMC_FORCE_LINKAGE_DECL(LLVMC_PLUGIN_NAME) {}\n";
3057
// End of anonymous namespace
3060
/// run - The back-end entry point.
3061
void LLVMCConfigurationEmitter::run (raw_ostream &O) {
3065
CollectPluginData(Records, Data);
3066
CheckPluginData(Data);
3068
this->EmitSourceFileHeader("LLVMC Configuration Library", O);
3069
EmitPluginCode(Data, O);
3071
} catch (std::exception& Error) {
3072
throw Error.what() + std::string(" - usually this means a syntax error.");