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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<const DagInit*> DagVector;
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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 = "SinkOption";
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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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// 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, SwitchList,
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Parameter, ParameterList, Prefix, PrefixList };
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bool IsAlias(OptionType t) {
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bool IsList (OptionType t) {
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return (t == SwitchList || t == ParameterList || t == PrefixList);
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bool IsSwitch (OptionType t) {
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return (t == Switch);
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bool IsSwitchList (OptionType t) {
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return (t == SwitchList);
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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 == "switch_list_option")
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return OptionType::SwitchList;
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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, OneOrMore = 0x8,
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Optional = 0x10, CommaSeparated = 0x20,
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ForwardNotSplit = 0x40, ZeroOrMore = 0x80 };
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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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{ return "autogenerated::" + GenOptionType() + EscapeVariableName(Name); }
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/// GenPlainVariableName - Returns the variable name without the namespace
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std::string GenPlainVariableName() const
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{ return GenOptionType() + EscapeVariableName(Name); }
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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 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 isSwitchList() const
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{ return OptionType::IsSwitchList(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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bool isParameterList() const
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{ return (OptionType::IsList(this->Type)
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&& !OptionType::IsSwitchList(this->Type)); }
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// GenOptionType - Helper function used by GenVariableName().
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std::string GenOptionType() const;
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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::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::SwitchList:
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return "cl::list<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::GenOptionType() 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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case OptionType::Switch:
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case OptionType::SwitchList:
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return "SwitchList_";
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case OptionType::Prefix:
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case OptionType::Parameter:
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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& FindParameterList(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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const OptionDescription&
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FindParameterListOrParameter(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
482
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 {
498
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::FindParameterList(const std::string& OptName) const {
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const OptionDescription& OptDesc = this->FindOption(OptName);
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if (!OptDesc.isList() || OptDesc.isSwitchList())
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throw OptName + ": incorrect option type - should be a parameter 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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const OptionDescription&
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OptionDescriptions::FindParameterListOrParameter
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(const std::string& OptName) const {
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const OptionDescription& OptDesc = this->FindOption(OptName);
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if ((!OptDesc.isList() && !OptDesc.isParameter()) || OptDesc.isSwitchList())
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+ ": incorrect option type - should be a parameter 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
551
/// 'tables of handlers'.
552
template <typename Handler>
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// Implementation details.
557
/// HandlerMap - A map from property names to property handlers
558
typedef StringMap<Handler> HandlerMap;
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static HandlerMap Handlers_;
561
static bool staticMembersInitialized_;
565
Handler GetHandler (const std::string& HandlerName) const {
566
typename HandlerMap::iterator method = Handlers_.find(HandlerName);
568
if (method != Handlers_.end()) {
569
Handler h = method->second;
573
throw "No handler found for property " + HandlerName + "!";
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void AddHandler(const char* Property, Handler H) {
578
Handlers_[Property] = H;
583
template <class Handler, class FunctionObject>
584
Handler GetHandler(FunctionObject* Obj, const DagInit& Dag) {
585
const std::string& HandlerName = GetOperatorName(Dag);
586
return Obj->GetHandler(HandlerName);
589
template <class FunctionObject>
590
void InvokeDagInitHandler(FunctionObject* Obj, Init* I) {
591
typedef void (FunctionObject::*Handler) (const DagInit&);
593
const DagInit& Dag = InitPtrToDag(I);
594
Handler h = GetHandler<Handler>(Obj, Dag);
599
template <class FunctionObject>
600
void InvokeDagInitHandler(const FunctionObject* const Obj,
601
const Init* I, unsigned IndentLevel, raw_ostream& O)
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typedef void (FunctionObject::*Handler)
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(const DagInit&, unsigned IndentLevel, raw_ostream& O) const;
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const DagInit& Dag = InitPtrToDag(I);
607
Handler h = GetHandler<Handler>(Obj, Dag);
609
((Obj)->*(h))(Dag, IndentLevel, O);
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template <typename H>
613
typename HandlerTable<H>::HandlerMap HandlerTable<H>::Handlers_;
615
template <typename H>
616
bool HandlerTable<H>::staticMembersInitialized_ = false;
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/// CollectOptionProperties - Function object for iterating over an
620
/// option property list.
621
class CollectOptionProperties;
622
typedef void (CollectOptionProperties::* CollectOptionPropertiesHandler)
625
class CollectOptionProperties
626
: public HandlerTable<CollectOptionPropertiesHandler>
630
/// optDescs_ - OptionDescriptions table. This is where the
631
/// information is stored.
632
OptionDescription& optDesc_;
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explicit CollectOptionProperties(OptionDescription& OD)
639
if (!staticMembersInitialized_) {
640
AddHandler("help", &CollectOptionProperties::onHelp);
641
AddHandler("hidden", &CollectOptionProperties::onHidden);
642
AddHandler("init", &CollectOptionProperties::onInit);
643
AddHandler("multi_val", &CollectOptionProperties::onMultiVal);
644
AddHandler("one_or_more", &CollectOptionProperties::onOneOrMore);
645
AddHandler("zero_or_more", &CollectOptionProperties::onZeroOrMore);
646
AddHandler("really_hidden", &CollectOptionProperties::onReallyHidden);
647
AddHandler("required", &CollectOptionProperties::onRequired);
648
AddHandler("optional", &CollectOptionProperties::onOptional);
649
AddHandler("comma_separated", &CollectOptionProperties::onCommaSeparated);
650
AddHandler("forward_not_split",
651
&CollectOptionProperties::onForwardNotSplit);
653
staticMembersInitialized_ = true;
657
/// operator() - Just forwards to the corresponding property
659
void operator() (Init* I) {
660
InvokeDagInitHandler(this, I);
665
/// Option property handlers --
666
/// Methods that handle option properties such as (help) or (hidden).
668
void onHelp (const DagInit& d) {
669
CheckNumberOfArguments(d, 1);
670
optDesc_.Help = EscapeQuotes(InitPtrToString(d.getArg(0)));
673
void onHidden (const DagInit& d) {
674
CheckNumberOfArguments(d, 0);
675
optDesc_.setHidden();
678
void onReallyHidden (const DagInit& d) {
679
CheckNumberOfArguments(d, 0);
680
optDesc_.setReallyHidden();
683
void onCommaSeparated (const DagInit& d) {
684
CheckNumberOfArguments(d, 0);
685
if (!optDesc_.isParameterList())
686
throw "'comma_separated' is valid only on parameter list options!";
687
optDesc_.setCommaSeparated();
690
void onForwardNotSplit (const DagInit& d) {
691
CheckNumberOfArguments(d, 0);
692
if (!optDesc_.isParameter())
693
throw "'forward_not_split' is valid only for parameter options!";
694
optDesc_.setForwardNotSplit();
697
void onRequired (const DagInit& d) {
698
CheckNumberOfArguments(d, 0);
700
optDesc_.setRequired();
701
optDesc_.CheckConsistency();
704
void onInit (const DagInit& d) {
705
CheckNumberOfArguments(d, 1);
706
Init* i = d.getArg(0);
707
const std::string& str = i->getAsString();
709
bool correct = optDesc_.isParameter() && dynamic_cast<StringInit*>(i);
710
correct |= (optDesc_.isSwitch() && (str == "true" || str == "false"));
713
throw "Incorrect usage of the 'init' option property!";
715
optDesc_.InitVal = i;
718
void onOneOrMore (const DagInit& d) {
719
CheckNumberOfArguments(d, 0);
721
optDesc_.setOneOrMore();
722
optDesc_.CheckConsistency();
725
void onZeroOrMore (const DagInit& d) {
726
CheckNumberOfArguments(d, 0);
728
if (optDesc_.isList())
729
llvm::errs() << "Warning: specifying the 'zero_or_more' property "
730
"on a list option has no effect.\n";
732
optDesc_.setZeroOrMore();
733
optDesc_.CheckConsistency();
736
void onOptional (const DagInit& d) {
737
CheckNumberOfArguments(d, 0);
739
if (!optDesc_.isList())
740
llvm::errs() << "Warning: specifying the 'optional' property"
741
"on a non-list option has no effect.\n";
743
optDesc_.setOptional();
744
optDesc_.CheckConsistency();
747
void onMultiVal (const DagInit& d) {
748
CheckNumberOfArguments(d, 1);
749
int val = InitPtrToInt(d.getArg(0));
751
throw "Error in the 'multi_val' property: "
752
"the value must be greater than 1!";
753
if (!optDesc_.isParameterList())
754
throw "The multi_val property is valid only on list options!";
755
optDesc_.MultiVal = val;
760
/// AddOption - A function object that is applied to every option
761
/// description. Used by CollectOptionDescriptions.
764
OptionDescriptions& OptDescs_;
767
explicit AddOption(OptionDescriptions& OD) : OptDescs_(OD)
770
void operator()(const Init* i) {
771
const DagInit& d = InitPtrToDag(i);
772
CheckNumberOfArguments(d, 1);
774
const OptionType::OptionType Type =
775
stringToOptionType(GetOperatorName(d));
776
const std::string& Name = InitPtrToString(d.getArg(0));
778
OptionDescription OD(Type, Name);
780
CheckNumberOfArguments(d, 2);
783
// Aliases store the aliased option name in the 'Help' field.
784
OD.Help = InitPtrToString(d.getArg(1));
787
processOptionProperties(d, OD);
790
OptDescs_.InsertDescription(OD);
794
/// processOptionProperties - Go through the list of option
795
/// properties and call a corresponding handler for each.
796
static void processOptionProperties (const DagInit& d, OptionDescription& o) {
797
CheckNumberOfArguments(d, 2);
798
DagInit::const_arg_iterator B = d.arg_begin();
799
// Skip the first argument: it's always the option name.
801
std::for_each(B, d.arg_end(), CollectOptionProperties(o));
806
/// CollectOptionDescriptions - Collects option properties from all
808
void CollectOptionDescriptions (const RecordVector& V,
809
OptionDescriptions& OptDescs)
811
// For every OptionList:
812
for (RecordVector::const_iterator B = V.begin(),
813
E = V.end(); B!=E; ++B) {
814
// Throws an exception if the value does not exist.
815
ListInit* PropList = (*B)->getValueAsListInit("options");
817
// For every option description in this list:
818
// collect the information and
819
std::for_each(PropList->begin(), PropList->end(), AddOption(OptDescs));
823
// Tool information record
825
namespace ToolFlags {
826
enum ToolFlags { Join = 0x1, Sink = 0x2 };
829
struct ToolDescription : public RefCountedBase<ToolDescription> {
833
StrVector InLanguage;
834
std::string InFileOption;
835
std::string OutFileOption;
836
std::string OutLanguage;
837
std::string OutputSuffix;
841
// Various boolean properties
842
void setSink() { Flags |= ToolFlags::Sink; }
843
bool isSink() const { return Flags & ToolFlags::Sink; }
844
void setJoin() { Flags |= ToolFlags::Join; }
845
bool isJoin() const { return Flags & ToolFlags::Join; }
847
// Default ctor here is needed because StringMap can only store
848
// DefaultConstructible objects
849
ToolDescription (const std::string &n = "")
850
: Name(n), CmdLine(0), Actions(0), OutFileOption("-o"),
855
/// ToolDescriptions - A list of Tool information records.
856
typedef std::vector<IntrusiveRefCntPtr<ToolDescription> > ToolDescriptions;
859
/// CollectToolProperties - Function object for iterating over a list of
860
/// tool property records.
862
class CollectToolProperties;
863
typedef void (CollectToolProperties::* CollectToolPropertiesHandler)
866
class CollectToolProperties : public HandlerTable<CollectToolPropertiesHandler>
870
/// toolDesc_ - Properties of the current Tool. This is where the
871
/// information is stored.
872
ToolDescription& toolDesc_;
876
explicit CollectToolProperties (ToolDescription& d)
879
if (!staticMembersInitialized_) {
881
AddHandler("actions", &CollectToolProperties::onActions);
882
AddHandler("command", &CollectToolProperties::onCommand);
883
AddHandler("in_language", &CollectToolProperties::onInLanguage);
884
AddHandler("join", &CollectToolProperties::onJoin);
885
AddHandler("out_language", &CollectToolProperties::onOutLanguage);
887
AddHandler("out_file_option", &CollectToolProperties::onOutFileOption);
888
AddHandler("in_file_option", &CollectToolProperties::onInFileOption);
890
AddHandler("output_suffix", &CollectToolProperties::onOutputSuffix);
891
AddHandler("sink", &CollectToolProperties::onSink);
892
AddHandler("works_on_empty", &CollectToolProperties::onWorksOnEmpty);
894
staticMembersInitialized_ = true;
898
void operator() (Init* I) {
899
InvokeDagInitHandler(this, I);
904
/// Property handlers --
905
/// Functions that extract information about tool properties from
906
/// DAG representation.
908
void onActions (const DagInit& d) {
909
CheckNumberOfArguments(d, 1);
910
Init* Case = d.getArg(0);
911
if (typeid(*Case) != typeid(DagInit) ||
912
GetOperatorName(static_cast<DagInit&>(*Case)) != "case")
913
throw "The argument to (actions) should be a 'case' construct!";
914
toolDesc_.Actions = Case;
917
void onCommand (const DagInit& d) {
918
CheckNumberOfArguments(d, 1);
919
toolDesc_.CmdLine = d.getArg(0);
922
void onInLanguage (const DagInit& d) {
923
CheckNumberOfArguments(d, 1);
924
Init* arg = d.getArg(0);
926
// Find out the argument's type.
927
if (typeid(*arg) == typeid(StringInit)) {
929
toolDesc_.InLanguage.push_back(InitPtrToString(arg));
933
const ListInit& lst = InitPtrToList(arg);
934
StrVector& out = toolDesc_.InLanguage;
936
// Copy strings to the output vector.
937
for (ListInit::const_iterator B = lst.begin(), E = lst.end();
939
out.push_back(InitPtrToString(*B));
942
// Remove duplicates.
943
std::sort(out.begin(), out.end());
944
StrVector::iterator newE = std::unique(out.begin(), out.end());
945
out.erase(newE, out.end());
949
void onJoin (const DagInit& d) {
950
CheckNumberOfArguments(d, 0);
954
void onOutLanguage (const DagInit& d) {
955
CheckNumberOfArguments(d, 1);
956
toolDesc_.OutLanguage = InitPtrToString(d.getArg(0));
959
void onOutFileOption (const DagInit& d) {
960
CheckNumberOfArguments(d, 1);
961
toolDesc_.OutFileOption = InitPtrToString(d.getArg(0));
964
void onInFileOption (const DagInit& d) {
965
CheckNumberOfArguments(d, 1);
966
toolDesc_.InFileOption = InitPtrToString(d.getArg(0));
969
void onOutputSuffix (const DagInit& d) {
970
CheckNumberOfArguments(d, 1);
971
toolDesc_.OutputSuffix = InitPtrToString(d.getArg(0));
974
void onSink (const DagInit& d) {
975
CheckNumberOfArguments(d, 0);
979
void onWorksOnEmpty (const DagInit& d) {
980
toolDesc_.OnEmpty = d.getArg(0);
985
/// CollectToolDescriptions - Gather information about tool properties
986
/// from the parsed TableGen data (basically a wrapper for the
987
/// CollectToolProperties function object).
988
void CollectToolDescriptions (const RecordVector& Tools,
989
ToolDescriptions& ToolDescs)
991
// Iterate over a properties list of every Tool definition
992
for (RecordVector::const_iterator B = Tools.begin(),
993
E = Tools.end(); B!=E; ++B) {
994
const Record* T = *B;
995
// Throws an exception if the value does not exist.
996
ListInit* PropList = T->getValueAsListInit("properties");
998
IntrusiveRefCntPtr<ToolDescription>
999
ToolDesc(new ToolDescription(T->getName()));
1001
std::for_each(PropList->begin(), PropList->end(),
1002
CollectToolProperties(*ToolDesc));
1003
ToolDescs.push_back(ToolDesc);
1007
/// FillInEdgeVector - Merge all compilation graph definitions into
1008
/// one single edge list.
1009
void FillInEdgeVector(const RecordVector& CompilationGraphs,
1011
for (RecordVector::const_iterator B = CompilationGraphs.begin(),
1012
E = CompilationGraphs.end(); B != E; ++B) {
1013
const ListInit* Edges = (*B)->getValueAsListInit("edges");
1015
for (ListInit::const_iterator B = Edges->begin(),
1016
E = Edges->end(); B != E; ++B) {
1017
Out.push_back(&InitPtrToDag(*B));
1022
/// NotInGraph - Helper function object for FilterNotInGraph.
1025
const llvm::StringSet<>& ToolsInGraph_;
1028
NotInGraph(const llvm::StringSet<>& ToolsInGraph)
1029
: ToolsInGraph_(ToolsInGraph)
1032
bool operator()(const IntrusiveRefCntPtr<ToolDescription>& x) {
1033
return (ToolsInGraph_.count(x->Name) == 0);
1037
/// FilterNotInGraph - Filter out from ToolDescs all Tools not
1038
/// mentioned in the compilation graph definition.
1039
void FilterNotInGraph (const DagVector& EdgeVector,
1040
ToolDescriptions& ToolDescs) {
1042
// List all tools mentioned in the graph.
1043
llvm::StringSet<> ToolsInGraph;
1045
for (DagVector::const_iterator B = EdgeVector.begin(),
1046
E = EdgeVector.end(); B != E; ++B) {
1048
const DagInit* Edge = *B;
1049
const std::string& NodeA = InitPtrToString(Edge->getArg(0));
1050
const std::string& NodeB = InitPtrToString(Edge->getArg(1));
1052
if (NodeA != "root")
1053
ToolsInGraph.insert(NodeA);
1054
ToolsInGraph.insert(NodeB);
1057
// Filter ToolPropertiesList.
1058
ToolDescriptions::iterator new_end =
1059
std::remove_if(ToolDescs.begin(), ToolDescs.end(),
1060
NotInGraph(ToolsInGraph));
1061
ToolDescs.erase(new_end, ToolDescs.end());
1064
/// FillInToolToLang - Fills in two tables that map tool names to
1065
/// (input, output) languages. Helper function used by TypecheckGraph().
1066
void FillInToolToLang (const ToolDescriptions& ToolDescs,
1067
StringMap<StringSet<> >& ToolToInLang,
1068
StringMap<std::string>& ToolToOutLang) {
1069
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
1070
E = ToolDescs.end(); B != E; ++B) {
1071
const ToolDescription& D = *(*B);
1072
for (StrVector::const_iterator B = D.InLanguage.begin(),
1073
E = D.InLanguage.end(); B != E; ++B)
1074
ToolToInLang[D.Name].insert(*B);
1075
ToolToOutLang[D.Name] = D.OutLanguage;
1079
/// TypecheckGraph - Check that names for output and input languages
1080
/// on all edges do match.
1081
void TypecheckGraph (const DagVector& EdgeVector,
1082
const ToolDescriptions& ToolDescs) {
1083
StringMap<StringSet<> > ToolToInLang;
1084
StringMap<std::string> ToolToOutLang;
1086
FillInToolToLang(ToolDescs, ToolToInLang, ToolToOutLang);
1087
StringMap<std::string>::iterator IAE = ToolToOutLang.end();
1088
StringMap<StringSet<> >::iterator IBE = ToolToInLang.end();
1090
for (DagVector::const_iterator B = EdgeVector.begin(),
1091
E = EdgeVector.end(); B != E; ++B) {
1092
const DagInit* Edge = *B;
1093
const std::string& NodeA = InitPtrToString(Edge->getArg(0));
1094
const std::string& NodeB = InitPtrToString(Edge->getArg(1));
1095
StringMap<std::string>::iterator IA = ToolToOutLang.find(NodeA);
1096
StringMap<StringSet<> >::iterator IB = ToolToInLang.find(NodeB);
1098
if (NodeA != "root") {
1099
if (IA != IAE && IB != IBE && IB->second.count(IA->second) == 0)
1100
throw "Edge " + NodeA + "->" + NodeB
1101
+ ": output->input language mismatch";
1104
if (NodeB == "root")
1105
throw "Edges back to the root are not allowed!";
1109
/// WalkCase - Walks the 'case' expression DAG and invokes
1110
/// TestCallback on every test, and StatementCallback on every
1111
/// statement. Handles 'case' nesting, but not the 'and' and 'or'
1112
/// combinators (that is, they are passed directly to TestCallback).
1113
/// TestCallback must have type 'void TestCallback(const DagInit*, unsigned
1114
/// IndentLevel, bool FirstTest)'.
1115
/// StatementCallback must have type 'void StatementCallback(const Init*,
1116
/// unsigned IndentLevel)'.
1117
template <typename F1, typename F2>
1118
void WalkCase(const Init* Case, F1 TestCallback, F2 StatementCallback,
1119
unsigned IndentLevel = 0)
1121
const DagInit& d = InitPtrToDag(Case);
1124
if (GetOperatorName(d) != "case")
1125
throw "WalkCase should be invoked only on 'case' expressions!";
1127
if (d.getNumArgs() < 2)
1128
throw "There should be at least one clause in the 'case' expression:\n"
1133
const unsigned numArgs = d.getNumArgs();
1135
for (DagInit::const_arg_iterator B = d.arg_begin(), E = d.arg_end();
1142
const DagInit& Test = InitPtrToDag(arg);
1144
if (GetOperatorName(Test) == "default" && (i+1 != numArgs))
1145
throw "The 'default' clause should be the last in the "
1146
"'case' construct!";
1148
throw "Case construct handler: no corresponding action "
1149
"found for the test " + Test.getAsString() + '!';
1151
TestCallback(Test, IndentLevel, (i == 1));
1155
if (dynamic_cast<DagInit*>(arg)
1156
&& GetOperatorName(static_cast<DagInit&>(*arg)) == "case") {
1158
WalkCase(arg, TestCallback, StatementCallback, IndentLevel + Indent1);
1161
// Handle statement.
1162
StatementCallback(arg, IndentLevel);
1170
/// ExtractOptionNames - A helper function object used by
1171
/// CheckForSuperfluousOptions() to walk the 'case' DAG.
1172
class ExtractOptionNames {
1173
llvm::StringSet<>& OptionNames_;
1175
void processDag(const Init* Statement) {
1176
const DagInit& Stmt = InitPtrToDag(Statement);
1177
const std::string& ActionName = GetOperatorName(Stmt);
1178
if (ActionName == "forward" || ActionName == "forward_as" ||
1179
ActionName == "forward_value" ||
1180
ActionName == "forward_transformed_value" ||
1181
ActionName == "switch_on" || ActionName == "any_switch_on" ||
1182
ActionName == "parameter_equals" ||
1183
ActionName == "element_in_list" || ActionName == "not_empty" ||
1184
ActionName == "empty") {
1185
CheckNumberOfArguments(Stmt, 1);
1187
Init* Arg = Stmt.getArg(0);
1188
if (typeid(*Arg) == typeid(StringInit)) {
1189
const std::string& Name = InitPtrToString(Arg);
1190
OptionNames_.insert(Name);
1194
const ListInit& List = InitPtrToList(Arg);
1195
for (ListInit::const_iterator B = List.begin(), E = List.end();
1197
const std::string& Name = InitPtrToString(*B);
1198
OptionNames_.insert(Name);
1202
else if (ActionName == "and" || ActionName == "or" || ActionName == "not") {
1203
for (unsigned i = 0, NumArgs = Stmt.getNumArgs(); i < NumArgs; ++i) {
1204
this->processDag(Stmt.getArg(i));
1210
ExtractOptionNames(llvm::StringSet<>& OptionNames) : OptionNames_(OptionNames)
1213
void operator()(const Init* Statement) {
1214
if (typeid(*Statement) == typeid(ListInit)) {
1215
const ListInit& DagList = *static_cast<const ListInit*>(Statement);
1216
for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
1218
this->processDag(*B);
1221
this->processDag(Statement);
1225
void operator()(const DagInit& Test, unsigned, bool) {
1226
this->operator()(&Test);
1228
void operator()(const Init* Statement, unsigned) {
1229
this->operator()(Statement);
1233
/// IsOptionalEdge - Validate that the 'optional_edge' has proper structure.
1234
bool IsOptionalEdge (const DagInit& Edg) {
1235
return (GetOperatorName(Edg) == "optional_edge") && (Edg.getNumArgs() > 2);
1238
/// CheckForSuperfluousOptions - Check that there are no side
1239
/// effect-free options (specified only in the OptionList). Otherwise,
1240
/// output a warning.
1241
void CheckForSuperfluousOptions (const DagVector& EdgeVector,
1242
const ToolDescriptions& ToolDescs,
1243
const OptionDescriptions& OptDescs) {
1244
llvm::StringSet<> nonSuperfluousOptions;
1246
// Add all options mentioned in the ToolDesc.Actions to the set of
1247
// non-superfluous options.
1248
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
1249
E = ToolDescs.end(); B != E; ++B) {
1250
const ToolDescription& TD = *(*B);
1251
ExtractOptionNames Callback(nonSuperfluousOptions);
1253
WalkCase(TD.Actions, Callback, Callback);
1256
// Add all options mentioned in the 'case' clauses of the
1257
// OptionalEdges of the compilation graph to the set of
1258
// non-superfluous options.
1259
for (DagVector::const_iterator B = EdgeVector.begin(),
1260
E = EdgeVector.end(); B != E; ++B) {
1261
const DagInit& Edge = **B;
1262
if (IsOptionalEdge(Edge)) {
1263
const DagInit& Weight = InitPtrToDag(Edge.getArg(2));
1264
WalkCase(&Weight, ExtractOptionNames(nonSuperfluousOptions), Id());
1268
// Check that all options in OptDescs belong to the set of
1269
// non-superfluous options.
1270
for (OptionDescriptions::const_iterator B = OptDescs.begin(),
1271
E = OptDescs.end(); B != E; ++B) {
1272
const OptionDescription& Val = B->second;
1273
if (!nonSuperfluousOptions.count(Val.Name)
1274
&& Val.Type != OptionType::Alias)
1275
llvm::errs() << "Warning: option '-" << Val.Name << "' has no effect! "
1276
"Probable cause: this option is specified only in the OptionList.\n";
1280
/// EmitCaseTest0Args - Helper function used by EmitCaseConstructHandler().
1281
bool EmitCaseTest0Args(const std::string& TestName, raw_ostream& O) {
1282
if (TestName == "single_input_file") {
1283
O << "InputFilenames.size() == 1";
1286
else if (TestName == "multiple_input_files") {
1287
O << "InputFilenames.size() > 1";
1294
/// EmitListTest - Helper function used by EmitCaseTest1ArgList().
1295
template <typename F>
1296
void EmitListTest(const ListInit& L, const char* LogicOp,
1297
F Callback, raw_ostream& O)
1299
// This is a lot like EmitLogicalOperationTest, but works on ListInits instead
1301
bool isFirst = true;
1302
for (ListInit::const_iterator B = L.begin(), E = L.end(); B != E; ++B) {
1306
O << ' ' << LogicOp << ' ';
1307
Callback(InitPtrToString(*B), O);
1311
// Callbacks for use with EmitListTest.
1313
class EmitSwitchOn {
1314
const OptionDescriptions& OptDescs_;
1316
EmitSwitchOn(const OptionDescriptions& OptDescs) : OptDescs_(OptDescs)
1319
void operator()(const std::string& OptName, raw_ostream& O) const {
1320
const OptionDescription& OptDesc = OptDescs_.FindSwitch(OptName);
1321
O << OptDesc.GenVariableName();
1325
class EmitEmptyTest {
1327
const OptionDescriptions& OptDescs_;
1329
EmitEmptyTest(bool EmitNegate, const OptionDescriptions& OptDescs)
1330
: EmitNegate_(EmitNegate), OptDescs_(OptDescs)
1333
void operator()(const std::string& OptName, raw_ostream& O) const {
1334
const char* Neg = (EmitNegate_ ? "!" : "");
1335
if (OptName == "o") {
1336
O << Neg << "OutputFilename.empty()";
1338
else if (OptName == "save-temps") {
1339
O << Neg << "(SaveTemps == SaveTempsEnum::Unset)";
1342
const OptionDescription& OptDesc = OptDescs_.FindListOrParameter(OptName);
1343
O << Neg << OptDesc.GenVariableName() << ".empty()";
1349
/// EmitCaseTest1ArgList - Helper function used by EmitCaseTest1Arg();
1350
bool EmitCaseTest1ArgList(const std::string& TestName,
1352
const OptionDescriptions& OptDescs,
1354
const ListInit& L = InitPtrToList(d.getArg(0));
1356
if (TestName == "any_switch_on") {
1357
EmitListTest(L, "||", EmitSwitchOn(OptDescs), O);
1360
else if (TestName == "switch_on") {
1361
EmitListTest(L, "&&", EmitSwitchOn(OptDescs), O);
1364
else if (TestName == "any_not_empty") {
1365
EmitListTest(L, "||", EmitEmptyTest(true, OptDescs), O);
1368
else if (TestName == "any_empty") {
1369
EmitListTest(L, "||", EmitEmptyTest(false, OptDescs), O);
1372
else if (TestName == "not_empty") {
1373
EmitListTest(L, "&&", EmitEmptyTest(true, OptDescs), O);
1376
else if (TestName == "empty") {
1377
EmitListTest(L, "&&", EmitEmptyTest(false, OptDescs), O);
1384
/// EmitCaseTest1ArgStr - Helper function used by EmitCaseTest1Arg();
1385
bool EmitCaseTest1ArgStr(const std::string& TestName,
1387
const OptionDescriptions& OptDescs,
1389
const std::string& OptName = InitPtrToString(d.getArg(0));
1391
if (TestName == "switch_on") {
1392
apply(EmitSwitchOn(OptDescs), OptName, O);
1395
else if (TestName == "input_languages_contain") {
1396
O << "InLangs.count(\"" << OptName << "\") != 0";
1399
else if (TestName == "in_language") {
1400
// This works only for single-argument Tool::GenerateAction. Join
1401
// tools can process several files in different languages simultaneously.
1403
// TODO: make this work with Edge::Weight (if possible).
1404
O << "LangMap.GetLanguage(inFile) == \"" << OptName << '\"';
1407
else if (TestName == "not_empty" || TestName == "empty") {
1408
bool EmitNegate = (TestName == "not_empty");
1409
apply(EmitEmptyTest(EmitNegate, OptDescs), OptName, O);
1416
/// EmitCaseTest1Arg - Helper function used by EmitCaseConstructHandler();
1417
bool EmitCaseTest1Arg(const std::string& TestName,
1419
const OptionDescriptions& OptDescs,
1421
CheckNumberOfArguments(d, 1);
1422
if (typeid(*d.getArg(0)) == typeid(ListInit))
1423
return EmitCaseTest1ArgList(TestName, d, OptDescs, O);
1425
return EmitCaseTest1ArgStr(TestName, d, OptDescs, O);
1428
/// EmitCaseTest2Args - Helper function used by EmitCaseConstructHandler().
1429
bool EmitCaseTest2Args(const std::string& TestName,
1431
unsigned IndentLevel,
1432
const OptionDescriptions& OptDescs,
1434
CheckNumberOfArguments(d, 2);
1435
const std::string& OptName = InitPtrToString(d.getArg(0));
1436
const std::string& OptArg = InitPtrToString(d.getArg(1));
1438
if (TestName == "parameter_equals") {
1439
const OptionDescription& OptDesc = OptDescs.FindParameter(OptName);
1440
O << OptDesc.GenVariableName() << " == \"" << OptArg << "\"";
1443
else if (TestName == "element_in_list") {
1444
const OptionDescription& OptDesc = OptDescs.FindParameterList(OptName);
1445
const std::string& VarName = OptDesc.GenVariableName();
1446
O << "std::find(" << VarName << ".begin(),\n";
1447
O.indent(IndentLevel + Indent1)
1448
<< VarName << ".end(), \""
1449
<< OptArg << "\") != " << VarName << ".end()";
1456
// Forward declaration.
1457
// EmitLogicalOperationTest and EmitCaseTest are mutually recursive.
1458
void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
1459
const OptionDescriptions& OptDescs,
1462
/// EmitLogicalOperationTest - Helper function used by
1463
/// EmitCaseConstructHandler.
1464
void EmitLogicalOperationTest(const DagInit& d, const char* LogicOp,
1465
unsigned IndentLevel,
1466
const OptionDescriptions& OptDescs,
1469
for (unsigned j = 0, NumArgs = d.getNumArgs(); j < NumArgs; ++j) {
1470
const DagInit& InnerTest = InitPtrToDag(d.getArg(j));
1471
EmitCaseTest(InnerTest, IndentLevel, OptDescs, O);
1472
if (j != NumArgs - 1) {
1474
O.indent(IndentLevel + Indent1) << ' ' << LogicOp << " (";
1482
void EmitLogicalNot(const DagInit& d, unsigned IndentLevel,
1483
const OptionDescriptions& OptDescs, raw_ostream& O)
1485
CheckNumberOfArguments(d, 1);
1486
const DagInit& InnerTest = InitPtrToDag(d.getArg(0));
1488
EmitCaseTest(InnerTest, IndentLevel, OptDescs, O);
1492
/// EmitCaseTest - Helper function used by EmitCaseConstructHandler.
1493
void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
1494
const OptionDescriptions& OptDescs,
1496
const std::string& TestName = GetOperatorName(d);
1498
if (TestName == "and")
1499
EmitLogicalOperationTest(d, "&&", IndentLevel, OptDescs, O);
1500
else if (TestName == "or")
1501
EmitLogicalOperationTest(d, "||", IndentLevel, OptDescs, O);
1502
else if (TestName == "not")
1503
EmitLogicalNot(d, IndentLevel, OptDescs, O);
1504
else if (EmitCaseTest0Args(TestName, O))
1506
else if (EmitCaseTest1Arg(TestName, d, OptDescs, O))
1508
else if (EmitCaseTest2Args(TestName, d, IndentLevel, OptDescs, O))
1511
throw "Unknown test '" + TestName + "' used in the 'case' construct!";
1515
/// EmitCaseTestCallback - Callback used by EmitCaseConstructHandler.
1516
class EmitCaseTestCallback {
1518
const OptionDescriptions& OptDescs_;
1522
EmitCaseTestCallback(bool EmitElseIf,
1523
const OptionDescriptions& OptDescs, raw_ostream& O)
1524
: EmitElseIf_(EmitElseIf), OptDescs_(OptDescs), O_(O)
1527
void operator()(const DagInit& Test, unsigned IndentLevel, bool FirstTest)
1529
if (GetOperatorName(Test) == "default") {
1530
O_.indent(IndentLevel) << "else {\n";
1533
O_.indent(IndentLevel)
1534
<< ((!FirstTest && EmitElseIf_) ? "else if (" : "if (");
1535
EmitCaseTest(Test, IndentLevel, OptDescs_, O_);
1541
/// EmitCaseStatementCallback - Callback used by EmitCaseConstructHandler.
1542
template <typename F>
1543
class EmitCaseStatementCallback {
1548
EmitCaseStatementCallback(F Callback, raw_ostream& O)
1549
: Callback_(Callback), O_(O)
1552
void operator() (const Init* Statement, unsigned IndentLevel) {
1554
// Ignore nested 'case' DAG.
1555
if (!(dynamic_cast<const DagInit*>(Statement) &&
1556
GetOperatorName(static_cast<const DagInit&>(*Statement)) == "case")) {
1557
if (typeid(*Statement) == typeid(ListInit)) {
1558
const ListInit& DagList = *static_cast<const ListInit*>(Statement);
1559
for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
1561
Callback_(*B, (IndentLevel + Indent1), O_);
1564
Callback_(Statement, (IndentLevel + Indent1), O_);
1567
O_.indent(IndentLevel) << "}\n";
1572
/// EmitCaseConstructHandler - Emit code that handles the 'case'
1573
/// construct. Takes a function object that should emit code for every case
1574
/// clause. Implemented on top of WalkCase.
1575
/// Callback's type is void F(const Init* Statement, unsigned IndentLevel,
1576
/// raw_ostream& O).
1577
/// EmitElseIf parameter controls the type of condition that is emitted ('if
1578
/// (..) {..} else if (..) {} .. else {..}' vs. 'if (..) {..} if(..) {..}
1580
template <typename F>
1581
void EmitCaseConstructHandler(const Init* Case, unsigned IndentLevel,
1582
F Callback, bool EmitElseIf,
1583
const OptionDescriptions& OptDescs,
1585
WalkCase(Case, EmitCaseTestCallback(EmitElseIf, OptDescs, O),
1586
EmitCaseStatementCallback<F>(Callback, O), IndentLevel);
1589
/// TokenizeCmdLine - converts from
1590
/// "$CALL(HookName, 'Arg1', 'Arg2')/path -arg1 -arg2" to
1591
/// ["$CALL(", "HookName", "Arg1", "Arg2", ")/path", "-arg1", "-arg2"].
1592
void TokenizeCmdLine(const std::string& CmdLine, StrVector& Out) {
1593
const char* Delimiters = " \t\n\v\f\r";
1595
{ Normal, SpecialCommand, InsideSpecialCommand, InsideQuotationMarks }
1598
if (CmdLine.empty())
1602
std::string::size_type B = CmdLine.find_first_not_of(Delimiters),
1605
for (; B != E; ++B) {
1606
char cur_ch = CmdLine[B];
1610
if (cur_ch == '$') {
1611
cur_st = SpecialCommand;
1614
if (OneOf(Delimiters, cur_ch)) {
1616
B = CmdLine.find_first_not_of(Delimiters, B);
1617
if (B == std::string::npos) {
1628
case SpecialCommand:
1629
if (OneOf(Delimiters, cur_ch)) {
1634
if (cur_ch == '(') {
1636
cur_st = InsideSpecialCommand;
1641
case InsideSpecialCommand:
1642
if (OneOf(Delimiters, cur_ch)) {
1645
if (cur_ch == '\'') {
1646
cur_st = InsideQuotationMarks;
1650
if (cur_ch == ')') {
1654
if (cur_ch == ',') {
1660
case InsideQuotationMarks:
1661
if (cur_ch == '\'') {
1662
cur_st = InsideSpecialCommand;
1668
Out.back().push_back(cur_ch);
1672
/// SubstituteCall - Given "$CALL(HookName, [Arg1 [, Arg2 [...]]])", output
1673
/// "hooks::HookName([Arg1 [, Arg2 [, ...]]])". Helper function used by
1674
/// SubstituteSpecialCommands().
1675
StrVector::const_iterator
1676
SubstituteCall (StrVector::const_iterator Pos,
1677
StrVector::const_iterator End,
1678
bool IsJoin, raw_ostream& O)
1680
const char* errorMessage = "Syntax error in $CALL invocation!";
1681
CheckedIncrement(Pos, End, errorMessage);
1682
const std::string& CmdName = *Pos;
1685
throw "$CALL invocation: empty argument list!";
1688
O << CmdName << "(";
1691
bool firstIteration = true;
1693
CheckedIncrement(Pos, End, errorMessage);
1694
const std::string& Arg = *Pos;
1695
assert(Arg.size() != 0);
1701
firstIteration = false;
1705
if (Arg == "$INFILE") {
1707
throw "$CALL(Hook, $INFILE) can't be used with a Join tool!";
1709
O << "inFile.c_str()";
1712
O << '"' << Arg << '"';
1721
/// SubstituteEnv - Given '$ENV(VAR_NAME)', output 'getenv("VAR_NAME")'. Helper
1722
/// function used by SubstituteSpecialCommands().
1723
StrVector::const_iterator
1724
SubstituteEnv (StrVector::const_iterator Pos,
1725
StrVector::const_iterator End, raw_ostream& O)
1727
const char* errorMessage = "Syntax error in $ENV invocation!";
1728
CheckedIncrement(Pos, End, errorMessage);
1729
const std::string& EnvName = *Pos;
1732
throw "$ENV invocation: empty argument list!";
1734
O << "checkCString(std::getenv(\"";
1738
CheckedIncrement(Pos, End, errorMessage);
1743
/// SubstituteSpecialCommands - Given an invocation of $CALL or $ENV, output
1744
/// handler code. Helper function used by EmitCmdLineVecFill().
1745
StrVector::const_iterator
1746
SubstituteSpecialCommands (StrVector::const_iterator Pos,
1747
StrVector::const_iterator End,
1748
bool IsJoin, raw_ostream& O)
1751
const std::string& cmd = *Pos;
1753
// Perform substitution.
1754
if (cmd == "$CALL") {
1755
Pos = SubstituteCall(Pos, End, IsJoin, O);
1757
else if (cmd == "$ENV") {
1758
Pos = SubstituteEnv(Pos, End, O);
1761
throw "Unknown special command: " + cmd;
1764
// Handle '$CMD(ARG)/additional/text'.
1765
const std::string& Leftover = *Pos;
1766
assert(Leftover.at(0) == ')');
1767
if (Leftover.size() != 1)
1768
O << " + std::string(\"" << (Leftover.c_str() + 1) << "\")";
1773
/// EmitCmdLineVecFill - Emit code that fills in the command line
1774
/// vector. Helper function used by EmitGenerateActionMethod().
1775
void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
1776
bool IsJoin, unsigned IndentLevel,
1779
TokenizeCmdLine(InitPtrToString(CmdLine), StrVec);
1782
throw "Tool '" + ToolName + "' has empty command line!";
1784
StrVector::const_iterator B = StrVec.begin(), E = StrVec.end();
1786
// Emit the command itself.
1787
assert(!StrVec[0].empty());
1788
O.indent(IndentLevel) << "cmd = ";
1789
if (StrVec[0][0] == '$') {
1790
B = SubstituteSpecialCommands(B, E, IsJoin, O);
1794
O << '"' << StrVec[0] << '"';
1799
// Go through the command arguments.
1801
for (; B != E; ++B) {
1802
const std::string& cmd = *B;
1804
assert(!cmd.empty());
1805
O.indent(IndentLevel);
1807
if (cmd.at(0) == '$') {
1808
O << "vec.push_back(std::make_pair(0, ";
1809
B = SubstituteSpecialCommands(B, E, IsJoin, O);
1813
O << "vec.push_back(std::make_pair(0, \"" << cmd << "\"));\n";
1819
/// EmitForEachListElementCycleHeader - Emit common code for iterating through
1820
/// all elements of a list. Helper function used by
1821
/// EmitForwardOptionPropertyHandlingCode.
1822
void EmitForEachListElementCycleHeader (const OptionDescription& D,
1823
unsigned IndentLevel,
1825
unsigned IndentLevel1 = IndentLevel + Indent1;
1827
O.indent(IndentLevel)
1828
<< "for (" << D.GenTypeDeclaration()
1829
<< "::iterator B = " << D.GenVariableName() << ".begin(),\n";
1830
O.indent(IndentLevel)
1831
<< "E = " << D.GenVariableName() << ".end(); B != E;) {\n";
1832
O.indent(IndentLevel1) << "unsigned pos = " << D.GenVariableName()
1833
<< ".getPosition(B - " << D.GenVariableName()
1837
/// EmitForwardOptionPropertyHandlingCode - Helper function used to
1838
/// implement EmitActionHandler. Emits code for
1839
/// handling the (forward) and (forward_as) option properties.
1840
void EmitForwardOptionPropertyHandlingCode (const OptionDescription& D,
1841
unsigned IndentLevel,
1842
const std::string& NewName,
1844
const std::string& Name = NewName.empty()
1847
unsigned IndentLevel1 = IndentLevel + Indent1;
1850
case OptionType::Switch:
1851
O.indent(IndentLevel)
1852
<< "vec.push_back(std::make_pair(" << D.GenVariableName()
1853
<< ".getPosition(), \"" << Name << "\"));\n";
1855
case OptionType::Parameter:
1856
O.indent(IndentLevel) << "vec.push_back(std::make_pair("
1857
<< D.GenVariableName()
1858
<<".getPosition(), \"" << Name;
1860
if (!D.isForwardNotSplit()) {
1862
O.indent(IndentLevel) << "vec.push_back(std::make_pair("
1863
<< D.GenVariableName() << ".getPosition(), "
1864
<< D.GenVariableName() << "));\n";
1867
O << "=\" + " << D.GenVariableName() << "));\n";
1870
case OptionType::Prefix:
1871
O.indent(IndentLevel) << "vec.push_back(std::make_pair("
1872
<< D.GenVariableName() << ".getPosition(), \""
1874
<< D.GenVariableName() << "));\n";
1876
case OptionType::PrefixList:
1877
EmitForEachListElementCycleHeader(D, IndentLevel, O);
1878
O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
1879
<< Name << "\" + " << "*B));\n";
1880
O.indent(IndentLevel1) << "++B;\n";
1882
for (int i = 1, j = D.MultiVal; i < j; ++i) {
1883
O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, *B));\n";
1884
O.indent(IndentLevel1) << "++B;\n";
1887
O.indent(IndentLevel) << "}\n";
1889
case OptionType::ParameterList:
1890
EmitForEachListElementCycleHeader(D, IndentLevel, O);
1891
O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
1892
<< Name << "\"));\n";
1894
for (int i = 0, j = D.MultiVal; i < j; ++i) {
1895
O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, *B));\n";
1896
O.indent(IndentLevel1) << "++B;\n";
1899
O.indent(IndentLevel) << "}\n";
1901
case OptionType::SwitchList:
1902
EmitForEachListElementCycleHeader(D, IndentLevel, O);
1903
O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
1904
<< Name << "\"));\n";
1905
O.indent(IndentLevel1) << "++B;\n";
1906
O.indent(IndentLevel) << "}\n";
1908
case OptionType::Alias:
1910
throw "Aliases are not allowed in tool option descriptions!";
1914
/// ActionHandlingCallbackBase - Base class of EmitActionHandlersCallback and
1915
/// EmitPreprocessOptionsCallback.
1916
struct ActionHandlingCallbackBase
1919
void onErrorDag(const DagInit& d,
1920
unsigned IndentLevel, raw_ostream& O) const
1922
O.indent(IndentLevel)
1924
<< (d.getNumArgs() >= 1 ? InitPtrToString(d.getArg(0)) : "Unknown error!")
1926
O.indent(IndentLevel) << "return 1;\n";
1929
void onWarningDag(const DagInit& d,
1930
unsigned IndentLevel, raw_ostream& O) const
1932
CheckNumberOfArguments(d, 1);
1933
O.indent(IndentLevel) << "llvm::errs() << \""
1934
<< InitPtrToString(d.getArg(0)) << "\";\n";
1939
/// EmitActionHandlersCallback - Emit code that handles actions. Used by
1940
/// EmitGenerateActionMethod() as an argument to EmitCaseConstructHandler().
1941
class EmitActionHandlersCallback;
1943
typedef void (EmitActionHandlersCallback::* EmitActionHandlersCallbackHandler)
1944
(const DagInit&, unsigned, raw_ostream&) const;
1946
class EmitActionHandlersCallback :
1947
public ActionHandlingCallbackBase,
1948
public HandlerTable<EmitActionHandlersCallbackHandler>
1950
typedef EmitActionHandlersCallbackHandler Handler;
1952
const OptionDescriptions& OptDescs;
1954
/// EmitHookInvocation - Common code for hook invocation from actions. Used by
1955
/// onAppendCmd and onOutputSuffix.
1956
void EmitHookInvocation(const std::string& Str,
1957
const char* BlockOpen, const char* BlockClose,
1958
unsigned IndentLevel, raw_ostream& O) const
1961
TokenizeCmdLine(Str, Out);
1963
for (StrVector::const_iterator B = Out.begin(), E = Out.end();
1965
const std::string& cmd = *B;
1967
O.indent(IndentLevel) << BlockOpen;
1969
if (cmd.at(0) == '$')
1970
B = SubstituteSpecialCommands(B, E, /* IsJoin = */ true, O);
1972
O << '"' << cmd << '"';
1978
void onAppendCmd (const DagInit& Dag,
1979
unsigned IndentLevel, raw_ostream& O) const
1981
CheckNumberOfArguments(Dag, 1);
1982
this->EmitHookInvocation(InitPtrToString(Dag.getArg(0)),
1983
"vec.push_back(std::make_pair(65536, ", "));\n",
1987
void onForward (const DagInit& Dag,
1988
unsigned IndentLevel, raw_ostream& O) const
1990
CheckNumberOfArguments(Dag, 1);
1991
const std::string& Name = InitPtrToString(Dag.getArg(0));
1992
EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
1993
IndentLevel, "", O);
1996
void onForwardAs (const DagInit& Dag,
1997
unsigned IndentLevel, raw_ostream& O) const
1999
CheckNumberOfArguments(Dag, 2);
2000
const std::string& Name = InitPtrToString(Dag.getArg(0));
2001
const std::string& NewName = InitPtrToString(Dag.getArg(1));
2002
EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
2003
IndentLevel, NewName, O);
2006
void onForwardValue (const DagInit& Dag,
2007
unsigned IndentLevel, raw_ostream& O) const
2009
CheckNumberOfArguments(Dag, 1);
2010
const std::string& Name = InitPtrToString(Dag.getArg(0));
2011
const OptionDescription& D = OptDescs.FindParameterListOrParameter(Name);
2013
if (D.isSwitchList()) {
2014
throw std::runtime_error
2015
("forward_value is not allowed with switch_list");
2018
if (D.isParameter()) {
2019
O.indent(IndentLevel) << "vec.push_back(std::make_pair("
2020
<< D.GenVariableName() << ".getPosition(), "
2021
<< D.GenVariableName() << "));\n";
2024
O.indent(IndentLevel) << "for (" << D.GenTypeDeclaration()
2025
<< "::iterator B = " << D.GenVariableName()
2027
O.indent(IndentLevel + Indent1) << " E = " << D.GenVariableName()
2028
<< ".end(); B != E; ++B)\n";
2029
O.indent(IndentLevel) << "{\n";
2030
O.indent(IndentLevel + Indent1)
2031
<< "unsigned pos = " << D.GenVariableName()
2032
<< ".getPosition(B - " << D.GenVariableName()
2034
O.indent(IndentLevel + Indent1)
2035
<< "vec.push_back(std::make_pair(pos, *B));\n";
2036
O.indent(IndentLevel) << "}\n";
2040
void onForwardTransformedValue (const DagInit& Dag,
2041
unsigned IndentLevel, raw_ostream& O) const
2043
CheckNumberOfArguments(Dag, 2);
2044
const std::string& Name = InitPtrToString(Dag.getArg(0));
2045
const std::string& Hook = InitPtrToString(Dag.getArg(1));
2046
const OptionDescription& D = OptDescs.FindParameterListOrParameter(Name);
2048
O.indent(IndentLevel) << "vec.push_back(std::make_pair("
2049
<< D.GenVariableName() << ".getPosition("
2050
<< (D.isList() ? "0" : "") << "), "
2051
<< "hooks::" << Hook << "(" << D.GenVariableName()
2052
<< (D.isParameter() ? ".c_str()" : "") << ")));\n";
2055
void onNoOutFile (const DagInit& Dag,
2056
unsigned IndentLevel, raw_ostream& O) const
2058
CheckNumberOfArguments(Dag, 0);
2059
O.indent(IndentLevel) << "no_out_file = true;\n";
2062
void onOutputSuffix (const DagInit& Dag,
2063
unsigned IndentLevel, raw_ostream& O) const
2065
CheckNumberOfArguments(Dag, 1);
2066
this->EmitHookInvocation(InitPtrToString(Dag.getArg(0)),
2067
"output_suffix = ", ";\n", IndentLevel, O);
2070
void onStopCompilation (const DagInit& Dag,
2071
unsigned IndentLevel, raw_ostream& O) const
2073
O.indent(IndentLevel) << "stop_compilation = true;\n";
2077
void onUnpackValues (const DagInit& Dag,
2078
unsigned IndentLevel, raw_ostream& O) const
2080
throw "'unpack_values' is deprecated. "
2081
"Use 'comma_separated' + 'forward_value' instead!";
2086
explicit EmitActionHandlersCallback(const OptionDescriptions& OD)
2089
if (!staticMembersInitialized_) {
2090
AddHandler("error", &EmitActionHandlersCallback::onErrorDag);
2091
AddHandler("warning", &EmitActionHandlersCallback::onWarningDag);
2092
AddHandler("append_cmd", &EmitActionHandlersCallback::onAppendCmd);
2093
AddHandler("forward", &EmitActionHandlersCallback::onForward);
2094
AddHandler("forward_as", &EmitActionHandlersCallback::onForwardAs);
2095
AddHandler("forward_value", &EmitActionHandlersCallback::onForwardValue);
2096
AddHandler("forward_transformed_value",
2097
&EmitActionHandlersCallback::onForwardTransformedValue);
2098
AddHandler("no_out_file",
2099
&EmitActionHandlersCallback::onNoOutFile);
2100
AddHandler("output_suffix", &EmitActionHandlersCallback::onOutputSuffix);
2101
AddHandler("stop_compilation",
2102
&EmitActionHandlersCallback::onStopCompilation);
2103
AddHandler("unpack_values",
2104
&EmitActionHandlersCallback::onUnpackValues);
2107
staticMembersInitialized_ = true;
2111
void operator()(const Init* I,
2112
unsigned IndentLevel, raw_ostream& O) const
2114
InvokeDagInitHandler(this, I, IndentLevel, O);
2118
void EmitGenerateActionMethodHeader(const ToolDescription& D,
2119
bool IsJoin, bool Naked,
2122
O.indent(Indent1) << "int GenerateAction(Action& Out,\n";
2125
O.indent(Indent2) << "const PathVector& inFiles,\n";
2127
O.indent(Indent2) << "const sys::Path& inFile,\n";
2129
O.indent(Indent2) << "const bool HasChildren,\n";
2130
O.indent(Indent2) << "const llvm::sys::Path& TempDir,\n";
2131
O.indent(Indent2) << "const InputLanguagesSet& InLangs,\n";
2132
O.indent(Indent2) << "const LanguageMap& LangMap) const\n";
2133
O.indent(Indent1) << "{\n";
2136
O.indent(Indent2) << "std::string cmd;\n";
2137
O.indent(Indent2) << "std::string out_file;\n";
2139
<< "std::vector<std::pair<unsigned, std::string> > vec;\n";
2140
O.indent(Indent2) << "bool stop_compilation = !HasChildren;\n";
2141
O.indent(Indent2) << "bool no_out_file = false;\n";
2142
O.indent(Indent2) << "std::string output_suffix(\""
2143
<< D.OutputSuffix << "\");\n";
2147
// EmitGenerateActionMethod - Emit either a normal or a "join" version of the
2148
// Tool::GenerateAction() method.
2149
void EmitGenerateActionMethod (const ToolDescription& D,
2150
const OptionDescriptions& OptDescs,
2151
bool IsJoin, raw_ostream& O) {
2153
EmitGenerateActionMethodHeader(D, IsJoin, /* Naked = */ false, O);
2156
throw "Tool " + D.Name + " has no cmd_line property!";
2158
// Process the 'command' property.
2160
EmitCmdLineVecFill(D.CmdLine, D.Name, IsJoin, Indent2, O);
2163
// Process the 'actions' list of this tool.
2165
EmitCaseConstructHandler(D.Actions, Indent2,
2166
EmitActionHandlersCallback(OptDescs),
2167
false, OptDescs, O);
2171
if (!D.InFileOption.empty()) {
2173
<< "vec.push_back(std::make_pair(InputFilenames.getPosition(0), \""
2174
<< D.InFileOption << "\");\n";
2179
<< "for (PathVector::const_iterator B = inFiles.begin(),\n";
2180
O.indent(Indent3) << "E = inFiles.end(); B != E; ++B)\n";
2181
O.indent(Indent2) << "{\n";
2182
O.indent(Indent3) << "vec.push_back(std::make_pair("
2183
<< "InputFilenames.getPosition(B - inFiles.begin()), "
2185
O.indent(Indent2) << "}\n";
2188
O.indent(Indent2) << "vec.push_back(std::make_pair("
2189
<< "InputFilenames.getPosition(0), inFile.str()));\n";
2193
O.indent(Indent2) << "if (!no_out_file) {\n";
2194
if (!D.OutFileOption.empty())
2195
O.indent(Indent3) << "vec.push_back(std::make_pair(65536, \""
2196
<< D.OutFileOption << "\"));\n";
2198
O.indent(Indent3) << "out_file = this->OutFilename("
2199
<< (IsJoin ? "sys::Path(),\n" : "inFile,\n");
2200
O.indent(Indent4) <<
2201
"TempDir, stop_compilation, output_suffix.c_str()).str();\n\n";
2202
O.indent(Indent3) << "vec.push_back(std::make_pair(65536, out_file));\n";
2204
O.indent(Indent2) << "}\n\n";
2206
// Handle the Sink property.
2207
std::string SinkOption("autogenerated::");
2208
SinkOption += SinkOptionName;
2210
O.indent(Indent2) << "if (!" << SinkOption << ".empty()) {\n";
2211
O.indent(Indent3) << "for (cl::list<std::string>::iterator B = "
2212
<< SinkOption << ".begin(), E = " << SinkOption
2213
<< ".end(); B != E; ++B)\n";
2214
O.indent(Indent4) << "vec.push_back(std::make_pair(" << SinkOption
2215
<< ".getPosition(B - " << SinkOption
2216
<< ".begin()), *B));\n";
2217
O.indent(Indent2) << "}\n";
2220
O.indent(Indent2) << "Out.Construct(cmd, this->SortArgs(vec), "
2221
<< "stop_compilation, out_file);\n";
2222
O.indent(Indent2) << "return 0;\n";
2223
O.indent(Indent1) << "}\n\n";
2226
/// EmitGenerateActionMethods - Emit two GenerateAction() methods for
2227
/// a given Tool class.
2228
void EmitGenerateActionMethods (const ToolDescription& ToolDesc,
2229
const OptionDescriptions& OptDescs,
2231
if (!ToolDesc.isJoin()) {
2232
EmitGenerateActionMethodHeader(ToolDesc, /* IsJoin = */ true,
2233
/* Naked = */ true, O);
2234
O.indent(Indent2) << "PrintError(\"" << ToolDesc.Name
2235
<< " is not a Join tool!\");\n";
2236
O.indent(Indent2) << "return -1;\n";
2237
O.indent(Indent1) << "}\n\n";
2240
EmitGenerateActionMethod(ToolDesc, OptDescs, true, O);
2243
EmitGenerateActionMethod(ToolDesc, OptDescs, false, O);
2246
/// EmitInOutLanguageMethods - Emit the [Input,Output]Language()
2247
/// methods for a given Tool class.
2248
void EmitInOutLanguageMethods (const ToolDescription& D, raw_ostream& O) {
2249
O.indent(Indent1) << "const char** InputLanguages() const {\n";
2250
O.indent(Indent2) << "return InputLanguages_;\n";
2251
O.indent(Indent1) << "}\n\n";
2253
if (D.OutLanguage.empty())
2254
throw "Tool " + D.Name + " has no 'out_language' property!";
2256
O.indent(Indent1) << "const char* OutputLanguage() const {\n";
2257
O.indent(Indent2) << "return \"" << D.OutLanguage << "\";\n";
2258
O.indent(Indent1) << "}\n\n";
2261
/// EmitNameMethod - Emit the Name() method for a given Tool class.
2262
void EmitNameMethod (const ToolDescription& D, raw_ostream& O) {
2263
O.indent(Indent1) << "const char* Name() const {\n";
2264
O.indent(Indent2) << "return \"" << D.Name << "\";\n";
2265
O.indent(Indent1) << "}\n\n";
2268
/// EmitIsJoinMethod - Emit the IsJoin() method for a given Tool
2270
void EmitIsJoinMethod (const ToolDescription& D, raw_ostream& O) {
2271
O.indent(Indent1) << "bool IsJoin() const {\n";
2273
O.indent(Indent2) << "return true;\n";
2275
O.indent(Indent2) << "return false;\n";
2276
O.indent(Indent1) << "}\n\n";
2279
/// EmitWorksOnEmptyCallback - Callback used by EmitWorksOnEmptyMethod in
2280
/// conjunction with EmitCaseConstructHandler.
2281
void EmitWorksOnEmptyCallback (const Init* Value,
2282
unsigned IndentLevel, raw_ostream& O) {
2283
CheckBooleanConstant(Value);
2284
O.indent(IndentLevel) << "return " << Value->getAsString() << ";\n";
2287
/// EmitWorksOnEmptyMethod - Emit the WorksOnEmpty() method for a given Tool
2289
void EmitWorksOnEmptyMethod (const ToolDescription& D,
2290
const OptionDescriptions& OptDescs,
2293
O.indent(Indent1) << "bool WorksOnEmpty() const {\n";
2295
O.indent(Indent2) << "return false;\n";
2297
EmitCaseConstructHandler(D.OnEmpty, Indent2, EmitWorksOnEmptyCallback,
2298
/*EmitElseIf = */ true, OptDescs, O);
2299
O.indent(Indent1) << "}\n\n";
2302
/// EmitStaticMemberDefinitions - Emit static member definitions for a
2303
/// given Tool class.
2304
void EmitStaticMemberDefinitions(const ToolDescription& D, raw_ostream& O) {
2305
if (D.InLanguage.empty())
2306
throw "Tool " + D.Name + " has no 'in_language' property!";
2308
O << "const char* " << D.Name << "::InputLanguages_[] = {";
2309
for (StrVector::const_iterator B = D.InLanguage.begin(),
2310
E = D.InLanguage.end(); B != E; ++B)
2311
O << '\"' << *B << "\", ";
2315
/// EmitToolClassDefinition - Emit a Tool class definition.
2316
void EmitToolClassDefinition (const ToolDescription& D,
2317
const OptionDescriptions& OptDescs,
2319
if (D.Name == "root")
2323
O << "class " << D.Name << " : public ";
2329
O << " {\nprivate:\n";
2330
O.indent(Indent1) << "static const char* InputLanguages_[];\n\n";
2333
EmitNameMethod(D, O);
2334
EmitInOutLanguageMethods(D, O);
2335
EmitIsJoinMethod(D, O);
2336
EmitWorksOnEmptyMethod(D, OptDescs, O);
2337
EmitGenerateActionMethods(D, OptDescs, O);
2339
// Close class definition
2342
EmitStaticMemberDefinitions(D, O);
2346
/// EmitOptionDefinitions - Iterate over a list of option descriptions
2347
/// and emit registration code.
2348
void EmitOptionDefinitions (const OptionDescriptions& descs,
2349
bool HasSink, raw_ostream& O)
2351
std::vector<OptionDescription> Aliases;
2353
// Emit static cl::Option variables.
2354
for (OptionDescriptions::const_iterator B = descs.begin(),
2355
E = descs.end(); B!=E; ++B) {
2356
const OptionDescription& val = B->second;
2358
if (val.Type == OptionType::Alias) {
2359
Aliases.push_back(val);
2363
O << val.GenTypeDeclaration() << ' '
2364
<< val.GenPlainVariableName();
2366
O << "(\"" << val.Name << "\"\n";
2368
if (val.Type == OptionType::Prefix || val.Type == OptionType::PrefixList)
2369
O << ", cl::Prefix";
2371
if (val.isRequired()) {
2372
if (val.isList() && !val.isMultiVal())
2373
O << ", cl::OneOrMore";
2375
O << ", cl::Required";
2378
if (val.isOptional())
2379
O << ", cl::Optional";
2381
if (val.isOneOrMore())
2382
O << ", cl::OneOrMore";
2384
if (val.isZeroOrMore())
2385
O << ", cl::ZeroOrMore";
2387
if (val.isReallyHidden())
2388
O << ", cl::ReallyHidden";
2389
else if (val.isHidden())
2390
O << ", cl::Hidden";
2392
if (val.isCommaSeparated())
2393
O << ", cl::CommaSeparated";
2395
if (val.MultiVal > 1)
2396
O << ", cl::multi_val(" << val.MultiVal << ')';
2399
const std::string& str = val.InitVal->getAsString();
2400
O << ", cl::init(" << str << ')';
2403
if (!val.Help.empty())
2404
O << ", cl::desc(\"" << val.Help << "\")";
2409
// Emit the aliases (they should go after all the 'proper' options).
2410
for (std::vector<OptionDescription>::const_iterator
2411
B = Aliases.begin(), E = Aliases.end(); B != E; ++B) {
2412
const OptionDescription& val = *B;
2414
O << val.GenTypeDeclaration() << ' '
2415
<< val.GenPlainVariableName()
2416
<< "(\"" << val.Name << '\"';
2418
const OptionDescription& D = descs.FindOption(val.Help);
2419
O << ", cl::aliasopt(" << D.GenVariableName() << ")";
2421
O << ", cl::desc(\"" << "An alias for -" + val.Help << "\"));\n";
2424
// Emit the sink option.
2426
O << "cl::list<std::string> " << SinkOptionName << "(cl::Sink);\n";
2431
/// EmitPreprocessOptionsCallback - Helper function passed to
2432
/// EmitCaseConstructHandler() by EmitPreprocessOptions().
2434
class EmitPreprocessOptionsCallback;
2437
(EmitPreprocessOptionsCallback::* EmitPreprocessOptionsCallbackHandler)
2438
(const DagInit&, unsigned, raw_ostream&) const;
2440
class EmitPreprocessOptionsCallback :
2441
public ActionHandlingCallbackBase,
2442
public HandlerTable<EmitPreprocessOptionsCallbackHandler>
2444
typedef EmitPreprocessOptionsCallbackHandler Handler;
2446
(EmitPreprocessOptionsCallback::* HandlerImpl)
2447
(const Init*, unsigned, raw_ostream&) const;
2449
const OptionDescriptions& OptDescs_;
2451
void onListOrDag(const DagInit& d, HandlerImpl h,
2452
unsigned IndentLevel, raw_ostream& O) const
2454
CheckNumberOfArguments(d, 1);
2455
const Init* I = d.getArg(0);
2457
// If I is a list, apply h to each element.
2458
if (typeid(*I) == typeid(ListInit)) {
2459
const ListInit& L = *static_cast<const ListInit*>(I);
2460
for (ListInit::const_iterator B = L.begin(), E = L.end(); B != E; ++B)
2461
((this)->*(h))(*B, IndentLevel, O);
2463
// Otherwise, apply h to I.
2465
((this)->*(h))(I, IndentLevel, O);
2469
void onUnsetOptionImpl(const Init* I,
2470
unsigned IndentLevel, raw_ostream& O) const
2472
const std::string& OptName = InitPtrToString(I);
2473
const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
2475
if (OptDesc.isSwitch()) {
2476
O.indent(IndentLevel) << OptDesc.GenVariableName() << " = false;\n";
2478
else if (OptDesc.isParameter()) {
2479
O.indent(IndentLevel) << OptDesc.GenVariableName() << " = \"\";\n";
2481
else if (OptDesc.isList()) {
2482
O.indent(IndentLevel) << OptDesc.GenVariableName() << ".clear();\n";
2485
throw "Can't apply 'unset_option' to alias option '" + OptName + "'!";
2489
void onUnsetOption(const DagInit& d,
2490
unsigned IndentLevel, raw_ostream& O) const
2492
this->onListOrDag(d, &EmitPreprocessOptionsCallback::onUnsetOptionImpl,
2496
void onSetOptionImpl(const DagInit& d,
2497
unsigned IndentLevel, raw_ostream& O) const {
2498
CheckNumberOfArguments(d, 2);
2499
const std::string& OptName = InitPtrToString(d.getArg(0));
2500
const Init* Value = d.getArg(1);
2501
const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
2503
if (OptDesc.isList()) {
2504
const ListInit& List = InitPtrToList(Value);
2506
O.indent(IndentLevel) << OptDesc.GenVariableName() << ".clear();\n";
2507
for (ListInit::const_iterator B = List.begin(), E = List.end();
2509
const Init* CurElem = *B;
2510
if (OptDesc.isSwitchList())
2511
CheckBooleanConstant(CurElem);
2513
O.indent(IndentLevel)
2514
<< OptDesc.GenVariableName() << ".push_back(\""
2515
<< (OptDesc.isSwitchList() ? CurElem->getAsString()
2516
: InitPtrToString(CurElem))
2520
else if (OptDesc.isSwitch()) {
2521
CheckBooleanConstant(Value);
2522
O.indent(IndentLevel) << OptDesc.GenVariableName()
2523
<< " = " << Value->getAsString() << ";\n";
2525
else if (OptDesc.isParameter()) {
2526
const std::string& Str = InitPtrToString(Value);
2527
O.indent(IndentLevel) << OptDesc.GenVariableName()
2528
<< " = \"" << Str << "\";\n";
2531
throw "Can't apply 'set_option' to alias option -" + OptName + " !";
2535
void onSetSwitch(const Init* I,
2536
unsigned IndentLevel, raw_ostream& O) const {
2537
const std::string& OptName = InitPtrToString(I);
2538
const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
2540
if (OptDesc.isSwitch())
2541
O.indent(IndentLevel) << OptDesc.GenVariableName() << " = true;\n";
2543
throw "set_option: -" + OptName + " is not a switch option!";
2546
void onSetOption(const DagInit& d,
2547
unsigned IndentLevel, raw_ostream& O) const
2549
CheckNumberOfArguments(d, 1);
2551
// Two arguments: (set_option "parameter", VALUE), where VALUE can be a
2552
// boolean, a string or a string list.
2553
if (d.getNumArgs() > 1)
2554
this->onSetOptionImpl(d, IndentLevel, O);
2555
// One argument: (set_option "switch")
2556
// or (set_option ["switch1", "switch2", ...])
2558
this->onListOrDag(d, &EmitPreprocessOptionsCallback::onSetSwitch,
2564
EmitPreprocessOptionsCallback(const OptionDescriptions& OptDescs)
2565
: OptDescs_(OptDescs)
2567
if (!staticMembersInitialized_) {
2568
AddHandler("error", &EmitPreprocessOptionsCallback::onErrorDag);
2569
AddHandler("warning", &EmitPreprocessOptionsCallback::onWarningDag);
2570
AddHandler("unset_option", &EmitPreprocessOptionsCallback::onUnsetOption);
2571
AddHandler("set_option", &EmitPreprocessOptionsCallback::onSetOption);
2573
staticMembersInitialized_ = true;
2577
void operator()(const Init* I,
2578
unsigned IndentLevel, raw_ostream& O) const
2580
InvokeDagInitHandler(this, I, IndentLevel, O);
2585
/// EmitPreprocessOptions - Emit the PreprocessOptions() function.
2586
void EmitPreprocessOptions (const RecordKeeper& Records,
2587
const OptionDescriptions& OptDecs, raw_ostream& O)
2589
O << "int PreprocessOptions () {\n";
2591
const RecordVector& OptionPreprocessors =
2592
Records.getAllDerivedDefinitions("OptionPreprocessor");
2594
for (RecordVector::const_iterator B = OptionPreprocessors.begin(),
2595
E = OptionPreprocessors.end(); B!=E; ++B) {
2596
DagInit* Case = (*B)->getValueAsDag("preprocessor");
2597
EmitCaseConstructHandler(Case, Indent1,
2598
EmitPreprocessOptionsCallback(OptDecs),
2603
O.indent(Indent1) << "return 0;\n";
2607
class DoEmitPopulateLanguageMap;
2608
typedef void (DoEmitPopulateLanguageMap::* DoEmitPopulateLanguageMapHandler)
2611
class DoEmitPopulateLanguageMap
2612
: public HandlerTable<DoEmitPopulateLanguageMapHandler>
2619
explicit DoEmitPopulateLanguageMap (raw_ostream& O) : O_(O) {
2620
if (!staticMembersInitialized_) {
2621
AddHandler("lang_to_suffixes",
2622
&DoEmitPopulateLanguageMap::onLangToSuffixes);
2624
staticMembersInitialized_ = true;
2628
void operator() (Init* I) {
2629
InvokeDagInitHandler(this, I);
2634
void onLangToSuffixes (const DagInit& d) {
2635
CheckNumberOfArguments(d, 2);
2637
const std::string& Lang = InitPtrToString(d.getArg(0));
2638
Init* Suffixes = d.getArg(1);
2640
// Second argument to lang_to_suffixes is either a single string...
2641
if (typeid(*Suffixes) == typeid(StringInit)) {
2642
O_.indent(Indent1) << "langMap[\"" << InitPtrToString(Suffixes)
2643
<< "\"] = \"" << Lang << "\";\n";
2645
// ...or a list of strings.
2647
const ListInit& Lst = InitPtrToList(Suffixes);
2648
assert(Lst.size() != 0);
2649
for (ListInit::const_iterator B = Lst.begin(), E = Lst.end();
2651
O_.indent(Indent1) << "langMap[\"" << InitPtrToString(*B)
2652
<< "\"] = \"" << Lang << "\";\n";
2659
/// EmitPopulateLanguageMap - Emit the PopulateLanguageMap() function.
2660
void EmitPopulateLanguageMap (const RecordKeeper& Records, raw_ostream& O)
2662
O << "int PopulateLanguageMap (LanguageMap& langMap) {\n";
2664
// For each LangMap:
2665
const RecordVector& LangMaps =
2666
Records.getAllDerivedDefinitions("LanguageMap");
2668
for (RecordVector::const_iterator B = LangMaps.begin(),
2669
E = LangMaps.end(); B!=E; ++B) {
2670
ListInit* LangMap = (*B)->getValueAsListInit("map");
2671
std::for_each(LangMap->begin(), LangMap->end(),
2672
DoEmitPopulateLanguageMap(O));
2676
O.indent(Indent1) << "return 0;\n";
2680
/// EmitEdgePropertyHandlerCallback - Emits code that handles edge
2681
/// properties. Helper function passed to EmitCaseConstructHandler() by
2682
/// EmitEdgeClass().
2683
void EmitEdgePropertyHandlerCallback (const Init* i, unsigned IndentLevel,
2685
const DagInit& d = InitPtrToDag(i);
2686
const std::string& OpName = GetOperatorName(d);
2688
if (OpName == "inc_weight") {
2689
O.indent(IndentLevel) << "ret += ";
2691
else if (OpName == "error") {
2692
CheckNumberOfArguments(d, 1);
2693
O.indent(IndentLevel) << "PrintError(\""
2694
<< InitPtrToString(d.getArg(0))
2696
O.indent(IndentLevel) << "return -1;\n";
2700
throw "Unknown operator in edge properties list: '" + OpName + "'!"
2701
"\nOnly 'inc_weight', 'dec_weight' and 'error' are allowed.";
2704
if (d.getNumArgs() > 0)
2705
O << InitPtrToInt(d.getArg(0)) << ";\n";
2711
/// EmitEdgeClass - Emit a single Edge# class.
2712
void EmitEdgeClass (unsigned N, const std::string& Target,
2713
const DagInit& Case, const OptionDescriptions& OptDescs,
2716
// Class constructor.
2717
O << "class Edge" << N << ": public Edge {\n"
2719
O.indent(Indent1) << "Edge" << N << "() : Edge(\"" << Target
2722
// Function Weight().
2724
<< "int Weight(const InputLanguagesSet& InLangs) const {\n";
2725
O.indent(Indent2) << "unsigned ret = 0;\n";
2727
// Handle the 'case' construct.
2728
EmitCaseConstructHandler(&Case, Indent2, EmitEdgePropertyHandlerCallback,
2729
false, OptDescs, O);
2731
O.indent(Indent2) << "return ret;\n";
2732
O.indent(Indent1) << "}\n\n};\n\n";
2735
/// EmitEdgeClasses - Emit Edge* classes that represent graph edges.
2736
void EmitEdgeClasses (const DagVector& EdgeVector,
2737
const OptionDescriptions& OptDescs,
2740
for (DagVector::const_iterator B = EdgeVector.begin(),
2741
E = EdgeVector.end(); B != E; ++B) {
2742
const DagInit& Edge = **B;
2743
const std::string& Name = GetOperatorName(Edge);
2745
if (Name == "optional_edge") {
2746
assert(IsOptionalEdge(Edge));
2747
const std::string& NodeB = InitPtrToString(Edge.getArg(1));
2749
const DagInit& Weight = InitPtrToDag(Edge.getArg(2));
2750
EmitEdgeClass(i, NodeB, Weight, OptDescs, O);
2752
else if (Name != "edge") {
2753
throw "Unknown edge class: '" + Name + "'!";
2760
/// EmitPopulateCompilationGraph - Emit the PopulateCompilationGraph() function.
2761
void EmitPopulateCompilationGraph (const DagVector& EdgeVector,
2762
const ToolDescriptions& ToolDescs,
2765
O << "int PopulateCompilationGraph (CompilationGraph& G) {\n";
2767
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
2768
E = ToolDescs.end(); B != E; ++B)
2769
O.indent(Indent1) << "G.insertNode(new " << (*B)->Name << "());\n";
2776
for (DagVector::const_iterator B = EdgeVector.begin(),
2777
E = EdgeVector.end(); B != E; ++B) {
2778
const DagInit& Edge = **B;
2779
const std::string& NodeA = InitPtrToString(Edge.getArg(0));
2780
const std::string& NodeB = InitPtrToString(Edge.getArg(1));
2782
O.indent(Indent1) << "if (int ret = G.insertEdge(\"" << NodeA << "\", ";
2784
if (IsOptionalEdge(Edge))
2785
O << "new Edge" << i << "()";
2787
O << "new SimpleEdge(\"" << NodeB << "\")";
2790
O.indent(Indent2) << "return ret;\n";
2796
O.indent(Indent1) << "return 0;\n";
2800
/// HookInfo - Information about the hook type and number of arguments.
2803
// A hook can either have a single parameter of type std::vector<std::string>,
2804
// or NumArgs parameters of type const char*.
2805
enum HookType { ListHook, ArgHook };
2810
HookInfo() : Type(ArgHook), NumArgs(1)
2813
HookInfo(HookType T) : Type(T), NumArgs(1)
2816
HookInfo(unsigned N) : Type(ArgHook), NumArgs(N)
2820
typedef llvm::StringMap<HookInfo> HookInfoMap;
2822
/// ExtractHookNames - Extract the hook names from all instances of
2823
/// $CALL(HookName) in the provided command line string/action. Helper
2824
/// function used by FillInHookNames().
2825
class ExtractHookNames {
2826
HookInfoMap& HookNames_;
2827
const OptionDescriptions& OptDescs_;
2829
ExtractHookNames(HookInfoMap& HookNames, const OptionDescriptions& OptDescs)
2830
: HookNames_(HookNames), OptDescs_(OptDescs)
2833
void onAction (const DagInit& Dag) {
2834
const std::string& Name = GetOperatorName(Dag);
2836
if (Name == "forward_transformed_value") {
2837
CheckNumberOfArguments(Dag, 2);
2838
const std::string& OptName = InitPtrToString(Dag.getArg(0));
2839
const std::string& HookName = InitPtrToString(Dag.getArg(1));
2840
const OptionDescription& D =
2841
OptDescs_.FindParameterListOrParameter(OptName);
2843
HookNames_[HookName] = HookInfo(D.isList() ? HookInfo::ListHook
2844
: HookInfo::ArgHook);
2846
else if (Name == "append_cmd" || Name == "output_suffix") {
2847
CheckNumberOfArguments(Dag, 1);
2848
this->onCmdLine(InitPtrToString(Dag.getArg(0)));
2852
void onCmdLine(const std::string& Cmd) {
2854
TokenizeCmdLine(Cmd, cmds);
2856
for (StrVector::const_iterator B = cmds.begin(), E = cmds.end();
2858
const std::string& cmd = *B;
2860
if (cmd == "$CALL") {
2861
unsigned NumArgs = 0;
2862
CheckedIncrement(B, E, "Syntax error in $CALL invocation!");
2863
const std::string& HookName = *B;
2865
if (HookName.at(0) == ')')
2866
throw "$CALL invoked with no arguments!";
2868
while (++B != E && B->at(0) != ')') {
2872
HookInfoMap::const_iterator H = HookNames_.find(HookName);
2874
if (H != HookNames_.end() && H->second.NumArgs != NumArgs &&
2875
H->second.Type != HookInfo::ArgHook)
2876
throw "Overloading of hooks is not allowed. Overloaded hook: "
2879
HookNames_[HookName] = HookInfo(NumArgs);
2884
void operator()(const Init* Arg) {
2886
// We're invoked on an action (either a dag or a dag list).
2887
if (typeid(*Arg) == typeid(DagInit)) {
2888
const DagInit& Dag = InitPtrToDag(Arg);
2889
this->onAction(Dag);
2892
else if (typeid(*Arg) == typeid(ListInit)) {
2893
const ListInit& List = InitPtrToList(Arg);
2894
for (ListInit::const_iterator B = List.begin(), E = List.end(); B != E;
2896
const DagInit& Dag = InitPtrToDag(*B);
2897
this->onAction(Dag);
2902
// We're invoked on a command line.
2903
this->onCmdLine(InitPtrToString(Arg));
2906
void operator()(const Init* Statement, unsigned) {
2907
this->operator()(Statement);
2911
/// FillInHookNames - Actually extract the hook names from all command
2912
/// line strings. Helper function used by EmitHookDeclarations().
2913
void FillInHookNames(const ToolDescriptions& ToolDescs,
2914
const OptionDescriptions& OptDescs,
2915
HookInfoMap& HookNames)
2917
// For all tool descriptions:
2918
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
2919
E = ToolDescs.end(); B != E; ++B) {
2920
const ToolDescription& D = *(*B);
2922
// Look for 'forward_transformed_value' in 'actions'.
2924
WalkCase(D.Actions, Id(), ExtractHookNames(HookNames, OptDescs));
2926
// Look for hook invocations in 'cmd_line'.
2929
if (dynamic_cast<StringInit*>(D.CmdLine))
2930
// This is a string.
2931
ExtractHookNames(HookNames, OptDescs).operator()(D.CmdLine);
2933
// This is a 'case' construct.
2934
WalkCase(D.CmdLine, Id(), ExtractHookNames(HookNames, OptDescs));
2938
/// EmitHookDeclarations - Parse CmdLine fields of all the tool
2939
/// property records and emit hook function declaration for each
2940
/// instance of $CALL(HookName).
2941
void EmitHookDeclarations(const ToolDescriptions& ToolDescs,
2942
const OptionDescriptions& OptDescs, raw_ostream& O) {
2943
HookInfoMap HookNames;
2945
FillInHookNames(ToolDescs, OptDescs, HookNames);
2946
if (HookNames.empty())
2949
for (HookInfoMap::const_iterator B = HookNames.begin(),
2950
E = HookNames.end(); B != E; ++B) {
2951
const char* HookName = B->first();
2952
const HookInfo& Info = B->second;
2954
O.indent(Indent1) << "std::string " << HookName << "(";
2956
if (Info.Type == HookInfo::ArgHook) {
2957
for (unsigned i = 0, j = Info.NumArgs; i < j; ++i) {
2958
O << "const char* Arg" << i << (i+1 == j ? "" : ", ");
2962
O << "const std::vector<std::string>& Arg";
2969
/// EmitIncludes - Emit necessary #include directives and some
2970
/// additional declarations.
2971
void EmitIncludes(raw_ostream& O) {
2972
O << "#include \"llvm/CompilerDriver/BuiltinOptions.h\"\n"
2973
<< "#include \"llvm/CompilerDriver/CompilationGraph.h\"\n"
2974
<< "#include \"llvm/CompilerDriver/Error.h\"\n"
2975
<< "#include \"llvm/CompilerDriver/Tool.h\"\n\n"
2977
<< "#include \"llvm/Support/CommandLine.h\"\n"
2978
<< "#include \"llvm/Support/raw_ostream.h\"\n\n"
2980
<< "#include <algorithm>\n"
2981
<< "#include <cstdlib>\n"
2982
<< "#include <iterator>\n"
2983
<< "#include <stdexcept>\n\n"
2985
<< "using namespace llvm;\n"
2986
<< "using namespace llvmc;\n\n"
2988
<< "inline const char* checkCString(const char* s)\n"
2989
<< "{ return s == NULL ? \"\" : s; }\n\n";
2993
/// DriverData - Holds all information about the driver.
2995
OptionDescriptions OptDescs;
2996
ToolDescriptions ToolDescs;
3001
/// HasSink - Go through the list of tool descriptions and check if
3002
/// there are any with the 'sink' property set.
3003
bool HasSink(const ToolDescriptions& ToolDescs) {
3004
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
3005
E = ToolDescs.end(); B != E; ++B)
3012
/// CollectDriverData - Collect compilation graph edges, tool properties and
3013
/// option properties from the parse tree.
3014
void CollectDriverData (const RecordKeeper& Records, DriverData& Data) {
3015
// Collect option properties.
3016
const RecordVector& OptionLists =
3017
Records.getAllDerivedDefinitions("OptionList");
3018
CollectOptionDescriptions(OptionLists, Data.OptDescs);
3020
// Collect tool properties.
3021
const RecordVector& Tools = Records.getAllDerivedDefinitions("Tool");
3022
CollectToolDescriptions(Tools, Data.ToolDescs);
3023
Data.HasSink = HasSink(Data.ToolDescs);
3025
// Collect compilation graph edges.
3026
const RecordVector& CompilationGraphs =
3027
Records.getAllDerivedDefinitions("CompilationGraph");
3028
FillInEdgeVector(CompilationGraphs, Data.Edges);
3031
/// CheckDriverData - Perform some sanity checks on the collected data.
3032
void CheckDriverData(DriverData& Data) {
3033
// Filter out all tools not mentioned in the compilation graph.
3034
FilterNotInGraph(Data.Edges, Data.ToolDescs);
3036
// Typecheck the compilation graph.
3037
TypecheckGraph(Data.Edges, Data.ToolDescs);
3039
// Check that there are no options without side effects (specified
3040
// only in the OptionList).
3041
CheckForSuperfluousOptions(Data.Edges, Data.ToolDescs, Data.OptDescs);
3044
void EmitDriverCode(const DriverData& Data, raw_ostream& O) {
3045
// Emit file header.
3048
// Emit global option registration code.
3049
O << "namespace llvmc {\n"
3050
<< "namespace autogenerated {\n\n";
3051
EmitOptionDefinitions(Data.OptDescs, Data.HasSink, O);
3052
O << "} // End namespace autogenerated.\n"
3053
<< "} // End namespace llvmc.\n\n";
3055
// Emit hook declarations.
3056
O << "namespace hooks {\n";
3057
EmitHookDeclarations(Data.ToolDescs, Data.OptDescs, O);
3058
O << "} // End namespace hooks.\n\n";
3060
O << "namespace {\n\n";
3061
O << "using namespace llvmc::autogenerated;\n\n";
3063
// Emit Tool classes.
3064
for (ToolDescriptions::const_iterator B = Data.ToolDescs.begin(),
3065
E = Data.ToolDescs.end(); B!=E; ++B)
3066
EmitToolClassDefinition(*(*B), Data.OptDescs, O);
3068
// Emit Edge# classes.
3069
EmitEdgeClasses(Data.Edges, Data.OptDescs, O);
3071
O << "} // End anonymous namespace.\n\n";
3073
O << "namespace llvmc {\n";
3074
O << "namespace autogenerated {\n\n";
3076
// Emit PreprocessOptions() function.
3077
EmitPreprocessOptions(Records, Data.OptDescs, O);
3079
// Emit PopulateLanguageMap() function
3080
// (language map maps from file extensions to language names).
3081
EmitPopulateLanguageMap(Records, O);
3083
// Emit PopulateCompilationGraph() function.
3084
EmitPopulateCompilationGraph(Data.Edges, Data.ToolDescs, O);
3086
O << "} // End namespace autogenerated.\n";
3087
O << "} // End namespace llvmc.\n\n";
3093
// End of anonymous namespace
3096
/// run - The back-end entry point.
3097
void LLVMCConfigurationEmitter::run (raw_ostream &O) {
3101
CollectDriverData(Records, Data);
3102
CheckDriverData(Data);
3104
this->EmitSourceFileHeader("llvmc-based driver: auto-generated code", O);
3105
EmitDriverCode(Data, O);
3107
} catch (std::exception& Error) {
3108
throw Error.what() + std::string(" - usually this means a syntax error.");
added
removed
libclamav/c++/llvm/utils/TableGen/LLVMCConfigurationEmitter.cpp
