mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-08 19:06:39 +00:00
e1d44b59ee
Prevents conflicts between plugins. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60871 91177308-0d34-0410-b5e6-96231b3b80d8
1854 lines
58 KiB
C++
1854 lines
58 KiB
C++
//===- LLVMCConfigurationEmitter.cpp - Generate LLVMC config ----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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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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//===----------------------------------------------------------------------===//
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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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//===----------------------------------------------------------------------===//
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#include "LLVMCConfigurationEmitter.h"
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#include "Record.h"
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#include "llvm/ADT/IntrusiveRefCntPtr.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/StringSet.h"
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#include "llvm/Support/Streams.h"
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#include <algorithm>
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#include <cassert>
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#include <functional>
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#include <stdexcept>
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#include <string>
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#include <typeinfo>
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using namespace llvm;
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namespace {
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//===----------------------------------------------------------------------===//
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/// Typedefs
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typedef std::vector<Record*> RecordVector;
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typedef std::vector<std::string> StrVector;
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//===----------------------------------------------------------------------===//
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/// Constants
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// Indentation strings.
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const char * Indent1 = " ";
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const char * Indent2 = " ";
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const char * Indent3 = " ";
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// Default help string.
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const char * DefaultHelpString = "NO HELP MESSAGE PROVIDED";
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// Name for the "sink" option.
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const char * SinkOptionName = "AutoGeneratedSinkOption";
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//===----------------------------------------------------------------------===//
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/// Helper functions
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/// Id - An 'identity' function object.
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struct Id {
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template<typename T>
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void operator()(const T&) const {
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}
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};
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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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}
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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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}
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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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return val;
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}
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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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return val;
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}
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// checkNumberOfArguments - Ensure that the number of args in d is
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// less than or equal to min_arguments, otherwise throw an exception.
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void checkNumberOfArguments (const DagInit* d, unsigned min_arguments) {
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if (!d || d->getNumArgs() < min_arguments)
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throw "Property " + d->getOperator()->getAsString()
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+ " has too few arguments!";
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}
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// isDagEmpty - is this DAG marked with an empty marker?
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bool isDagEmpty (const DagInit* d) {
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return d->getOperator()->getAsString() == "empty";
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}
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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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std::string ret;
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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 += "_comma_";
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}
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else if (cur_char == '+') {
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ret += "_plus_";
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}
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else if (cur_char == '-') {
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ret += "_dash_";
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}
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else {
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ret.push_back(cur_char);
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}
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}
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return ret;
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}
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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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/// Extern* options are those that are defined in some other plugin.
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namespace OptionType {
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enum OptionType { Alias, Switch, Parameter, ParameterList,
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Prefix, PrefixList};
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bool IsList (OptionType t) {
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return (t == ParameterList || t == PrefixList);
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}
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bool IsSwitch (OptionType t) {
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return (t == Switch);
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}
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bool IsParameter (OptionType t) {
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return (t == Parameter || t == Prefix);
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}
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}
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OptionType::OptionType stringToOptionType(const std::string& T) {
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if (T == "alias_option")
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return OptionType::Alias;
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else if (T == "switch_option")
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return OptionType::Switch;
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else if (T == "parameter_option")
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return OptionType::Parameter;
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else if (T == "parameter_list_option")
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return OptionType::ParameterList;
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else if (T == "prefix_option")
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return OptionType::Prefix;
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else if (T == "prefix_list_option")
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return OptionType::PrefixList;
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else
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throw "Unknown option type: " + T + '!';
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}
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namespace OptionDescriptionFlags {
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enum OptionDescriptionFlags { Required = 0x1, Hidden = 0x2,
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ReallyHidden = 0x4, Extern = 0x8 };
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}
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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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std::string Name;
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unsigned Flags;
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std::string Help;
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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)
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{}
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/// GenTypeDeclaration - Returns the C++ variable type of this
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/// option.
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const char* GenTypeDeclaration() const;
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/// GenVariableName - Returns the variable name used in the
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/// generated C++ code.
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std::string GenVariableName() const;
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/// Merge - Merge two option descriptions.
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void Merge (const OptionDescription& other);
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// Misc convenient getters/setters.
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bool isAlias() const;
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bool isExtern() const;
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void setExtern();
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bool isRequired() const;
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void setRequired();
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bool isHidden() const;
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void setHidden();
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bool isReallyHidden() const;
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void setReallyHidden();
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};
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void OptionDescription::Merge (const OptionDescription& other)
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{
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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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Help = other.Help;
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else if (other.Help != DefaultHelpString) {
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llvm::cerr << "Warning: several different help strings"
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" defined for option " + Name + "\n";
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}
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Flags |= other.Flags;
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}
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bool OptionDescription::isAlias() const {
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return Type == OptionType::Alias;
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}
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bool OptionDescription::isExtern() const {
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return Flags & OptionDescriptionFlags::Extern;
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}
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void OptionDescription::setExtern() {
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Flags |= OptionDescriptionFlags::Extern;
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}
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bool OptionDescription::isRequired() const {
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return Flags & OptionDescriptionFlags::Required;
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}
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void OptionDescription::setRequired() {
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Flags |= OptionDescriptionFlags::Required;
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}
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bool OptionDescription::isHidden() const {
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return Flags & OptionDescriptionFlags::Hidden;
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}
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void OptionDescription::setHidden() {
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Flags |= OptionDescriptionFlags::Hidden;
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}
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bool OptionDescription::isReallyHidden() const {
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return Flags & OptionDescriptionFlags::ReallyHidden;
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}
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void OptionDescription::setReallyHidden() {
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Flags |= OptionDescriptionFlags::ReallyHidden;
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}
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const char* OptionDescription::GenTypeDeclaration() const {
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switch (Type) {
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case OptionType::Alias:
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return "cl::alias";
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case OptionType::PrefixList:
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case OptionType::ParameterList:
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return "cl::list<std::string>";
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case OptionType::Switch:
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return "cl::opt<bool>";
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case OptionType::Parameter:
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case OptionType::Prefix:
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default:
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return "cl::opt<std::string>";
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}
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}
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std::string OptionDescription::GenVariableName() const {
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const std::string& EscapedName = EscapeVariableName(Name);
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switch (Type) {
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case OptionType::Alias:
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return "AutoGeneratedAlias_" + EscapedName;
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case OptionType::PrefixList:
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case OptionType::ParameterList:
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return "AutoGeneratedList_" + EscapedName;
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case OptionType::Switch:
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return "AutoGeneratedSwitch_" + EscapedName;
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case OptionType::Prefix:
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case OptionType::Parameter:
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default:
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return "AutoGeneratedParameter_" + EscapedName;
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}
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}
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/// OptionDescriptions - An OptionDescription array plus some helper
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/// functions.
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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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public:
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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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/// insertDescription - Insert new OptionDescription into
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/// OptionDescriptions list
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void InsertDescription (const OptionDescription& o);
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// Support for STL-style iteration
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typedef container_type::const_iterator const_iterator;
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const_iterator begin() const { return Descriptions.begin(); }
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const_iterator end() const { return Descriptions.end(); }
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};
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const OptionDescription&
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OptionDescriptions::FindOption(const std::string& OptName) const
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{
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const_iterator I = Descriptions.find(OptName);
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if (I != Descriptions.end())
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return I->second;
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else
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throw OptName + ": no such option!";
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}
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void OptionDescriptions::InsertDescription (const OptionDescription& o)
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{
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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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D.Merge(o);
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}
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else {
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Descriptions[o.Name] = o;
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}
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}
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/// HandlerTable - A base class for function objects implemented as
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/// 'tables of handlers'.
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template <class T>
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class HandlerTable {
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protected:
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// Implementation details.
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/// Handler -
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typedef void (T::* Handler) (const DagInit*);
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/// HandlerMap - A map from property names to property handlers
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typedef StringMap<Handler> HandlerMap;
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static HandlerMap Handlers_;
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static bool staticMembersInitialized_;
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T* childPtr;
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public:
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HandlerTable(T* cp) : childPtr(cp)
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{}
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/// operator() - Just forwards to the corresponding property
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/// handler.
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void operator() (Init* i) {
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const DagInit& property = InitPtrToDag(i);
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const std::string& property_name = property.getOperator()->getAsString();
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typename HandlerMap::iterator method = Handlers_.find(property_name);
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if (method != Handlers_.end()) {
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Handler h = method->second;
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(childPtr->*h)(&property);
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}
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else {
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throw "No handler found for property " + property_name + "!";
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}
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}
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void AddHandler(const char* Property, Handler Handl) {
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Handlers_[Property] = Handl;
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}
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};
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template <class T> typename HandlerTable<T>::HandlerMap
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HandlerTable<T>::Handlers_;
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template <class T> bool HandlerTable<T>::staticMembersInitialized_ = false;
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/// CollectOptionProperties - Function object for iterating over an
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/// option property list.
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class CollectOptionProperties : public HandlerTable<CollectOptionProperties> {
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private:
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/// optDescs_ - OptionDescriptions table. This is where the
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/// information is stored.
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OptionDescription& optDesc_;
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public:
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explicit CollectOptionProperties(OptionDescription& OD)
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: HandlerTable<CollectOptionProperties>(this), optDesc_(OD)
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{
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if (!staticMembersInitialized_) {
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AddHandler("extern", &CollectOptionProperties::onExtern);
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AddHandler("help", &CollectOptionProperties::onHelp);
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AddHandler("hidden", &CollectOptionProperties::onHidden);
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AddHandler("really_hidden", &CollectOptionProperties::onReallyHidden);
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AddHandler("required", &CollectOptionProperties::onRequired);
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staticMembersInitialized_ = true;
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}
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}
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private:
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/// Option property handlers --
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/// Methods that handle option properties such as (help) or (hidden).
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void onExtern (const DagInit* d) {
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checkNumberOfArguments(d, 0);
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optDesc_.setExtern();
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}
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void onHelp (const DagInit* d) {
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checkNumberOfArguments(d, 1);
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optDesc_.Help = InitPtrToString(d->getArg(0));
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}
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void onHidden (const DagInit* d) {
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checkNumberOfArguments(d, 0);
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optDesc_.setHidden();
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}
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void onReallyHidden (const DagInit* d) {
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checkNumberOfArguments(d, 0);
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optDesc_.setReallyHidden();
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}
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void onRequired (const DagInit* d) {
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checkNumberOfArguments(d, 0);
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optDesc_.setRequired();
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}
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};
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/// AddOption - A function object that is applied to every option
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/// description. Used by CollectOptionDescriptions.
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class AddOption {
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private:
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OptionDescriptions& OptDescs_;
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public:
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explicit AddOption(OptionDescriptions& OD) : OptDescs_(OD)
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{}
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void operator()(const Init* i) {
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const DagInit& d = InitPtrToDag(i);
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checkNumberOfArguments(&d, 1);
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const OptionType::OptionType Type =
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stringToOptionType(d.getOperator()->getAsString());
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const std::string& Name = InitPtrToString(d.getArg(0));
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OptionDescription OD(Type, Name);
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if (!OD.isExtern())
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checkNumberOfArguments(&d, 2);
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if (OD.isAlias()) {
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// Aliases store the aliased option name in the 'Help' field.
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OD.Help = InitPtrToString(d.getArg(1));
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}
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else if (!OD.isExtern()) {
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processOptionProperties(&d, OD);
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}
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OptDescs_.InsertDescription(OD);
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}
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private:
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/// processOptionProperties - Go through the list of option
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/// properties and call a corresponding handler for each.
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static void processOptionProperties (const DagInit* d, OptionDescription& o) {
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checkNumberOfArguments(d, 2);
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DagInit::const_arg_iterator B = d->arg_begin();
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// Skip the first argument: it's always the option name.
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++B;
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std::for_each(B, d->arg_end(), CollectOptionProperties(o));
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}
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};
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/// CollectOptionDescriptions - Collects option properties from all
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/// OptionLists.
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void CollectOptionDescriptions (RecordVector::const_iterator B,
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RecordVector::const_iterator E,
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OptionDescriptions& OptDescs)
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{
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// For every OptionList:
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for (; B!=E; ++B) {
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RecordVector::value_type T = *B;
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// Throws an exception if the value does not exist.
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ListInit* PropList = T->getValueAsListInit("options");
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// For every option description in this list:
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// collect the information and
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std::for_each(PropList->begin(), PropList->end(), AddOption(OptDescs));
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}
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}
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// Tool information record
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namespace ToolFlags {
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enum ToolFlags { Join = 0x1, Sink = 0x2 };
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}
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struct ToolDescription : public RefCountedBase<ToolDescription> {
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std::string Name;
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Init* CmdLine;
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Init* Actions;
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StrVector InLanguage;
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std::string OutLanguage;
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std::string OutputSuffix;
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unsigned Flags;
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// Various boolean properties
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void setSink() { Flags |= ToolFlags::Sink; }
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bool isSink() const { return Flags & ToolFlags::Sink; }
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void setJoin() { Flags |= ToolFlags::Join; }
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bool isJoin() const { return Flags & ToolFlags::Join; }
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// Default ctor here is needed because StringMap can only store
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// DefaultConstructible objects
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ToolDescription() : CmdLine(0), Actions(0), Flags(0) {}
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ToolDescription (const std::string& n)
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: Name(n), CmdLine(0), Actions(0), Flags(0)
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{}
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};
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/// ToolDescriptions - A list of Tool information records.
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typedef std::vector<IntrusiveRefCntPtr<ToolDescription> > ToolDescriptions;
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/// CollectToolProperties - Function object for iterating over a list of
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/// tool property records.
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class CollectToolProperties : public HandlerTable<CollectToolProperties> {
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private:
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|
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/// toolDesc_ - Properties of the current Tool. This is where the
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/// information is stored.
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ToolDescription& toolDesc_;
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public:
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explicit CollectToolProperties (ToolDescription& d)
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: HandlerTable<CollectToolProperties>(this) , toolDesc_(d)
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{
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if (!staticMembersInitialized_) {
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AddHandler("actions", &CollectToolProperties::onActions);
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AddHandler("cmd_line", &CollectToolProperties::onCmdLine);
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AddHandler("in_language", &CollectToolProperties::onInLanguage);
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AddHandler("join", &CollectToolProperties::onJoin);
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AddHandler("out_language", &CollectToolProperties::onOutLanguage);
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AddHandler("output_suffix", &CollectToolProperties::onOutputSuffix);
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AddHandler("sink", &CollectToolProperties::onSink);
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staticMembersInitialized_ = true;
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}
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}
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private:
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|
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/// Property handlers --
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|
/// Functions that extract information about tool properties from
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/// DAG representation.
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|
|
void onActions (const DagInit* d) {
|
|
checkNumberOfArguments(d, 1);
|
|
Init* Case = d->getArg(0);
|
|
if (typeid(*Case) != typeid(DagInit) ||
|
|
static_cast<DagInit*>(Case)->getOperator()->getAsString() != "case")
|
|
throw
|
|
std::string("The argument to (actions) should be a 'case' construct!");
|
|
toolDesc_.Actions = Case;
|
|
}
|
|
|
|
void onCmdLine (const DagInit* d) {
|
|
checkNumberOfArguments(d, 1);
|
|
toolDesc_.CmdLine = d->getArg(0);
|
|
}
|
|
|
|
void onInLanguage (const DagInit* d) {
|
|
checkNumberOfArguments(d, 1);
|
|
Init* arg = d->getArg(0);
|
|
|
|
// Find out the argument's type.
|
|
if (typeid(*arg) == typeid(StringInit)) {
|
|
// It's a string.
|
|
toolDesc_.InLanguage.push_back(InitPtrToString(arg));
|
|
}
|
|
else {
|
|
// It's a list.
|
|
const ListInit& lst = InitPtrToList(arg);
|
|
StrVector& out = toolDesc_.InLanguage;
|
|
|
|
// Copy strings to the output vector.
|
|
for (ListInit::const_iterator B = lst.begin(), E = lst.end();
|
|
B != E; ++B) {
|
|
out.push_back(InitPtrToString(*B));
|
|
}
|
|
|
|
// Remove duplicates.
|
|
std::sort(out.begin(), out.end());
|
|
StrVector::iterator newE = std::unique(out.begin(), out.end());
|
|
out.erase(newE, out.end());
|
|
}
|
|
}
|
|
|
|
void onJoin (const DagInit* d) {
|
|
checkNumberOfArguments(d, 0);
|
|
toolDesc_.setJoin();
|
|
}
|
|
|
|
void onOutLanguage (const DagInit* d) {
|
|
checkNumberOfArguments(d, 1);
|
|
toolDesc_.OutLanguage = InitPtrToString(d->getArg(0));
|
|
}
|
|
|
|
void onOutputSuffix (const DagInit* d) {
|
|
checkNumberOfArguments(d, 1);
|
|
toolDesc_.OutputSuffix = InitPtrToString(d->getArg(0));
|
|
}
|
|
|
|
void onSink (const DagInit* d) {
|
|
checkNumberOfArguments(d, 0);
|
|
toolDesc_.setSink();
|
|
}
|
|
|
|
};
|
|
|
|
|
|
/// CollectToolDescriptions - Gather information about tool properties
|
|
/// from the parsed TableGen data (basically a wrapper for the
|
|
/// CollectToolProperties function object).
|
|
void CollectToolDescriptions (RecordVector::const_iterator B,
|
|
RecordVector::const_iterator E,
|
|
ToolDescriptions& ToolDescs)
|
|
{
|
|
// Iterate over a properties list of every Tool definition
|
|
for (;B!=E;++B) {
|
|
const Record* T = *B;
|
|
// Throws an exception if the value does not exist.
|
|
ListInit* PropList = T->getValueAsListInit("properties");
|
|
|
|
IntrusiveRefCntPtr<ToolDescription>
|
|
ToolDesc(new ToolDescription(T->getName()));
|
|
|
|
std::for_each(PropList->begin(), PropList->end(),
|
|
CollectToolProperties(*ToolDesc));
|
|
ToolDescs.push_back(ToolDesc);
|
|
}
|
|
}
|
|
|
|
/// FillInEdgeVector - Merge all compilation graph definitions into
|
|
/// one single edge list.
|
|
void FillInEdgeVector(RecordVector::const_iterator B,
|
|
RecordVector::const_iterator E, RecordVector& Out) {
|
|
for (; B != E; ++B) {
|
|
const ListInit* edges = (*B)->getValueAsListInit("edges");
|
|
|
|
for (unsigned i = 0; i < edges->size(); ++i)
|
|
Out.push_back(edges->getElementAsRecord(i));
|
|
}
|
|
}
|
|
|
|
/// CalculatePriority - Calculate the priority of this plugin.
|
|
int CalculatePriority(RecordVector::const_iterator B,
|
|
RecordVector::const_iterator E) {
|
|
int total = 0;
|
|
for (; B!=E; ++B) {
|
|
total += static_cast<int>((*B)->getValueAsInt("priority"));
|
|
}
|
|
return total;
|
|
}
|
|
|
|
/// NotInGraph - Helper function object for FilterNotInGraph.
|
|
struct NotInGraph {
|
|
private:
|
|
const llvm::StringSet<>& ToolsInGraph_;
|
|
|
|
public:
|
|
NotInGraph(const llvm::StringSet<>& ToolsInGraph)
|
|
: ToolsInGraph_(ToolsInGraph)
|
|
{}
|
|
|
|
bool operator()(const IntrusiveRefCntPtr<ToolDescription>& x) {
|
|
return (ToolsInGraph_.count(x->Name) == 0);
|
|
}
|
|
};
|
|
|
|
/// FilterNotInGraph - Filter out from ToolDescs all Tools not
|
|
/// mentioned in the compilation graph definition.
|
|
void FilterNotInGraph (const RecordVector& EdgeVector,
|
|
ToolDescriptions& ToolDescs) {
|
|
|
|
// List all tools mentioned in the graph.
|
|
llvm::StringSet<> ToolsInGraph;
|
|
|
|
for (RecordVector::const_iterator B = EdgeVector.begin(),
|
|
E = EdgeVector.end(); B != E; ++B) {
|
|
|
|
const Record* Edge = *B;
|
|
const std::string& NodeA = Edge->getValueAsString("a");
|
|
const std::string& NodeB = Edge->getValueAsString("b");
|
|
|
|
if (NodeA != "root")
|
|
ToolsInGraph.insert(NodeA);
|
|
ToolsInGraph.insert(NodeB);
|
|
}
|
|
|
|
// Filter ToolPropertiesList.
|
|
ToolDescriptions::iterator new_end =
|
|
std::remove_if(ToolDescs.begin(), ToolDescs.end(),
|
|
NotInGraph(ToolsInGraph));
|
|
ToolDescs.erase(new_end, ToolDescs.end());
|
|
}
|
|
|
|
/// FillInToolToLang - Fills in two tables that map tool names to
|
|
/// (input, output) languages. Helper function used by TypecheckGraph().
|
|
void FillInToolToLang (const ToolDescriptions& ToolDescs,
|
|
StringMap<StringSet<> >& ToolToInLang,
|
|
StringMap<std::string>& ToolToOutLang) {
|
|
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
|
|
E = ToolDescs.end(); B != E; ++B) {
|
|
const ToolDescription& D = *(*B);
|
|
for (StrVector::const_iterator B = D.InLanguage.begin(),
|
|
E = D.InLanguage.end(); B != E; ++B)
|
|
ToolToInLang[D.Name].insert(*B);
|
|
ToolToOutLang[D.Name] = D.OutLanguage;
|
|
}
|
|
}
|
|
|
|
/// TypecheckGraph - Check that names for output and input languages
|
|
/// on all edges do match. This doesn't do much when the information
|
|
/// about the whole graph is not available (i.e. when compiling most
|
|
/// plugins).
|
|
void TypecheckGraph (const RecordVector& EdgeVector,
|
|
const ToolDescriptions& ToolDescs) {
|
|
StringMap<StringSet<> > ToolToInLang;
|
|
StringMap<std::string> ToolToOutLang;
|
|
|
|
FillInToolToLang(ToolDescs, ToolToInLang, ToolToOutLang);
|
|
StringMap<std::string>::iterator IAE = ToolToOutLang.end();
|
|
StringMap<StringSet<> >::iterator IBE = ToolToInLang.end();
|
|
|
|
for (RecordVector::const_iterator B = EdgeVector.begin(),
|
|
E = EdgeVector.end(); B != E; ++B) {
|
|
const Record* Edge = *B;
|
|
const std::string& NodeA = Edge->getValueAsString("a");
|
|
const std::string& NodeB = Edge->getValueAsString("b");
|
|
StringMap<std::string>::iterator IA = ToolToOutLang.find(NodeA);
|
|
StringMap<StringSet<> >::iterator IB = ToolToInLang.find(NodeB);
|
|
|
|
if (NodeA != "root") {
|
|
if (IA != IAE && IB != IBE && IB->second.count(IA->second) == 0)
|
|
throw "Edge " + NodeA + "->" + NodeB
|
|
+ ": output->input language mismatch";
|
|
}
|
|
|
|
if (NodeB == "root")
|
|
throw std::string("Edges back to the root are not allowed!");
|
|
}
|
|
}
|
|
|
|
/// WalkCase - Walks the 'case' expression DAG and invokes
|
|
/// TestCallback on every test, and StatementCallback on every
|
|
/// statement. Handles 'case' nesting, but not the 'and' and 'or'
|
|
/// combinators.
|
|
// TODO: Re-implement EmitCaseConstructHandler on top of this function?
|
|
template <typename F1, typename F2>
|
|
void WalkCase(Init* Case, F1 TestCallback, F2 StatementCallback) {
|
|
const DagInit& d = InitPtrToDag(Case);
|
|
bool even = false;
|
|
for (DagInit::const_arg_iterator B = d.arg_begin(), E = d.arg_end();
|
|
B != E; ++B) {
|
|
Init* arg = *B;
|
|
if (even && dynamic_cast<DagInit*>(arg)
|
|
&& static_cast<DagInit*>(arg)->getOperator()->getAsString() == "case")
|
|
WalkCase(arg, TestCallback, StatementCallback);
|
|
else if (!even)
|
|
TestCallback(arg);
|
|
else
|
|
StatementCallback(arg);
|
|
even = !even;
|
|
}
|
|
}
|
|
|
|
/// ExtractOptionNames - A helper function object used by
|
|
/// CheckForSuperfluousOptions() to walk the 'case' DAG.
|
|
class ExtractOptionNames {
|
|
llvm::StringSet<>& OptionNames_;
|
|
|
|
void processDag(const Init* Statement) {
|
|
const DagInit& Stmt = InitPtrToDag(Statement);
|
|
const std::string& ActionName = Stmt.getOperator()->getAsString();
|
|
if (ActionName == "forward" || ActionName == "forward_as" ||
|
|
ActionName == "unpack_values" || ActionName == "switch_on" ||
|
|
ActionName == "parameter_equals" || ActionName == "element_in_list" ||
|
|
ActionName == "not_empty") {
|
|
checkNumberOfArguments(&Stmt, 1);
|
|
const std::string& Name = InitPtrToString(Stmt.getArg(0));
|
|
OptionNames_.insert(Name);
|
|
}
|
|
else if (ActionName == "and" || ActionName == "or") {
|
|
for (unsigned i = 0, NumArgs = Stmt.getNumArgs(); i < NumArgs; ++i) {
|
|
this->processDag(Stmt.getArg(i));
|
|
}
|
|
}
|
|
}
|
|
|
|
public:
|
|
ExtractOptionNames(llvm::StringSet<>& OptionNames) : OptionNames_(OptionNames)
|
|
{}
|
|
|
|
void operator()(const Init* Statement) {
|
|
if (typeid(*Statement) == typeid(ListInit)) {
|
|
const ListInit& DagList = *static_cast<const ListInit*>(Statement);
|
|
for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
|
|
B != E; ++B)
|
|
this->processDag(*B);
|
|
}
|
|
else {
|
|
this->processDag(Statement);
|
|
}
|
|
}
|
|
};
|
|
|
|
/// CheckForSuperfluousOptions - Check that there are no side
|
|
/// effect-free options (specified only in the OptionList). Otherwise,
|
|
/// output a warning.
|
|
void CheckForSuperfluousOptions (const RecordVector& Edges,
|
|
const ToolDescriptions& ToolDescs,
|
|
const OptionDescriptions& OptDescs) {
|
|
llvm::StringSet<> nonSuperfluousOptions;
|
|
|
|
// Add all options mentioned in the ToolDesc.Actions to the set of
|
|
// non-superfluous options.
|
|
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
|
|
E = ToolDescs.end(); B != E; ++B) {
|
|
const ToolDescription& TD = *(*B);
|
|
ExtractOptionNames Callback(nonSuperfluousOptions);
|
|
if (TD.Actions)
|
|
WalkCase(TD.Actions, Callback, Callback);
|
|
}
|
|
|
|
// Add all options mentioned in the 'case' clauses of the
|
|
// OptionalEdges of the compilation graph to the set of
|
|
// non-superfluous options.
|
|
for (RecordVector::const_iterator B = Edges.begin(), E = Edges.end();
|
|
B != E; ++B) {
|
|
const Record* Edge = *B;
|
|
DagInit* Weight = Edge->getValueAsDag("weight");
|
|
|
|
if (!isDagEmpty(Weight))
|
|
WalkCase(Weight, ExtractOptionNames(nonSuperfluousOptions), Id());
|
|
}
|
|
|
|
// Check that all options in OptDescs belong to the set of
|
|
// non-superfluous options.
|
|
for (OptionDescriptions::const_iterator B = OptDescs.begin(),
|
|
E = OptDescs.end(); B != E; ++B) {
|
|
const OptionDescription& Val = B->second;
|
|
if (!nonSuperfluousOptions.count(Val.Name)
|
|
&& Val.Type != OptionType::Alias)
|
|
llvm::cerr << "Warning: option '-" << Val.Name << "' has no effect! "
|
|
"Probable cause: this option is specified only in the OptionList.\n";
|
|
}
|
|
}
|
|
|
|
/// EmitCaseTest1Arg - Helper function used by
|
|
/// EmitCaseConstructHandler.
|
|
bool EmitCaseTest1Arg(const std::string& TestName,
|
|
const DagInit& d,
|
|
const OptionDescriptions& OptDescs,
|
|
std::ostream& O) {
|
|
checkNumberOfArguments(&d, 1);
|
|
const std::string& OptName = InitPtrToString(d.getArg(0));
|
|
if (TestName == "switch_on") {
|
|
const OptionDescription& OptDesc = OptDescs.FindOption(OptName);
|
|
if (!OptionType::IsSwitch(OptDesc.Type))
|
|
throw OptName + ": incorrect option type - should be a switch!";
|
|
O << OptDesc.GenVariableName();
|
|
return true;
|
|
} else if (TestName == "input_languages_contain") {
|
|
O << "InLangs.count(\"" << OptName << "\") != 0";
|
|
return true;
|
|
} else if (TestName == "in_language") {
|
|
// This works only for single-argument Tool::GenerateAction. Join
|
|
// tools can process several files in different languages simultaneously.
|
|
|
|
// TODO: make this work with Edge::Weight (if possible).
|
|
O << "LangMap.GetLanguage(inFile) == \"" << OptName << '\"';
|
|
return true;
|
|
} else if (TestName == "not_empty") {
|
|
if (OptName == "o") {
|
|
O << "!OutputFilename.empty()";
|
|
return true;
|
|
}
|
|
else {
|
|
const OptionDescription& OptDesc = OptDescs.FindOption(OptName);
|
|
if (OptionType::IsSwitch(OptDesc.Type))
|
|
throw OptName
|
|
+ ": incorrect option type - should be a list or parameter!";
|
|
O << '!' << OptDesc.GenVariableName() << ".empty()";
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// EmitCaseTest2Args - Helper function used by
|
|
/// EmitCaseConstructHandler.
|
|
bool EmitCaseTest2Args(const std::string& TestName,
|
|
const DagInit& d,
|
|
const char* IndentLevel,
|
|
const OptionDescriptions& OptDescs,
|
|
std::ostream& O) {
|
|
checkNumberOfArguments(&d, 2);
|
|
const std::string& OptName = InitPtrToString(d.getArg(0));
|
|
const std::string& OptArg = InitPtrToString(d.getArg(1));
|
|
const OptionDescription& OptDesc = OptDescs.FindOption(OptName);
|
|
|
|
if (TestName == "parameter_equals") {
|
|
if (!OptionType::IsParameter(OptDesc.Type))
|
|
throw OptName + ": incorrect option type - should be a parameter!";
|
|
O << OptDesc.GenVariableName() << " == \"" << OptArg << "\"";
|
|
return true;
|
|
}
|
|
else if (TestName == "element_in_list") {
|
|
if (!OptionType::IsList(OptDesc.Type))
|
|
throw OptName + ": incorrect option type - should be a list!";
|
|
const std::string& VarName = OptDesc.GenVariableName();
|
|
O << "std::find(" << VarName << ".begin(),\n"
|
|
<< IndentLevel << Indent1 << VarName << ".end(), \""
|
|
<< OptArg << "\") != " << VarName << ".end()";
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// Forward declaration.
|
|
// EmitLogicalOperationTest and EmitCaseTest are mutually recursive.
|
|
void EmitCaseTest(const DagInit& d, const char* IndentLevel,
|
|
const OptionDescriptions& OptDescs,
|
|
std::ostream& O);
|
|
|
|
/// EmitLogicalOperationTest - Helper function used by
|
|
/// EmitCaseConstructHandler.
|
|
void EmitLogicalOperationTest(const DagInit& d, const char* LogicOp,
|
|
const char* IndentLevel,
|
|
const OptionDescriptions& OptDescs,
|
|
std::ostream& O) {
|
|
O << '(';
|
|
for (unsigned j = 0, NumArgs = d.getNumArgs(); j < NumArgs; ++j) {
|
|
const DagInit& InnerTest = InitPtrToDag(d.getArg(j));
|
|
EmitCaseTest(InnerTest, IndentLevel, OptDescs, O);
|
|
if (j != NumArgs - 1)
|
|
O << ")\n" << IndentLevel << Indent1 << ' ' << LogicOp << " (";
|
|
else
|
|
O << ')';
|
|
}
|
|
}
|
|
|
|
/// EmitCaseTest - Helper function used by EmitCaseConstructHandler.
|
|
void EmitCaseTest(const DagInit& d, const char* IndentLevel,
|
|
const OptionDescriptions& OptDescs,
|
|
std::ostream& O) {
|
|
const std::string& TestName = d.getOperator()->getAsString();
|
|
|
|
if (TestName == "and")
|
|
EmitLogicalOperationTest(d, "&&", IndentLevel, OptDescs, O);
|
|
else if (TestName == "or")
|
|
EmitLogicalOperationTest(d, "||", IndentLevel, OptDescs, O);
|
|
else if (EmitCaseTest1Arg(TestName, d, OptDescs, O))
|
|
return;
|
|
else if (EmitCaseTest2Args(TestName, d, IndentLevel, OptDescs, O))
|
|
return;
|
|
else
|
|
throw TestName + ": unknown edge property!";
|
|
}
|
|
|
|
// Emit code that handles the 'case' construct.
|
|
// Takes a function object that should emit code for every case clause.
|
|
// Callback's type is
|
|
// void F(Init* Statement, const char* IndentLevel, std::ostream& O).
|
|
template <typename F>
|
|
void EmitCaseConstructHandler(const Init* Dag, const char* IndentLevel,
|
|
F Callback, bool EmitElseIf,
|
|
const OptionDescriptions& OptDescs,
|
|
std::ostream& O) {
|
|
const DagInit* d = &InitPtrToDag(Dag);
|
|
if (d->getOperator()->getAsString() != "case")
|
|
throw std::string("EmitCaseConstructHandler should be invoked"
|
|
" only on 'case' expressions!");
|
|
|
|
unsigned numArgs = d->getNumArgs();
|
|
if (d->getNumArgs() < 2)
|
|
throw "There should be at least one clause in the 'case' expression:\n"
|
|
+ d->getAsString();
|
|
|
|
for (unsigned i = 0; i != numArgs; ++i) {
|
|
const DagInit& Test = InitPtrToDag(d->getArg(i));
|
|
|
|
// Emit the test.
|
|
if (Test.getOperator()->getAsString() == "default") {
|
|
if (i+2 != numArgs)
|
|
throw std::string("The 'default' clause should be the last in the"
|
|
"'case' construct!");
|
|
O << IndentLevel << "else {\n";
|
|
}
|
|
else {
|
|
O << IndentLevel << ((i != 0 && EmitElseIf) ? "else if (" : "if (");
|
|
EmitCaseTest(Test, IndentLevel, OptDescs, O);
|
|
O << ") {\n";
|
|
}
|
|
|
|
// Emit the corresponding statement.
|
|
++i;
|
|
if (i == numArgs)
|
|
throw "Case construct handler: no corresponding action "
|
|
"found for the test " + Test.getAsString() + '!';
|
|
|
|
Init* arg = d->getArg(i);
|
|
const DagInit* nd = dynamic_cast<DagInit*>(arg);
|
|
if (nd && (nd->getOperator()->getAsString() == "case")) {
|
|
// Handle the nested 'case'.
|
|
EmitCaseConstructHandler(nd, (std::string(IndentLevel) + Indent1).c_str(),
|
|
Callback, EmitElseIf, OptDescs, O);
|
|
}
|
|
else {
|
|
Callback(arg, (std::string(IndentLevel) + Indent1).c_str(), O);
|
|
}
|
|
O << IndentLevel << "}\n";
|
|
}
|
|
}
|
|
|
|
/// SubstituteSpecialCommands - Perform string substitution for $CALL
|
|
/// and $ENV. Helper function used by EmitCmdLineVecFill().
|
|
std::string SubstituteSpecialCommands(const std::string& cmd) {
|
|
size_t cparen = cmd.find(")");
|
|
std::string ret;
|
|
|
|
if (cmd.find("$CALL(") == 0) {
|
|
if (cmd.size() == 6)
|
|
throw std::string("$CALL invocation: empty argument list!");
|
|
|
|
ret += "hooks::";
|
|
ret += std::string(cmd.begin() + 6, cmd.begin() + cparen);
|
|
ret += "()";
|
|
}
|
|
else if (cmd.find("$ENV(") == 0) {
|
|
if (cmd.size() == 5)
|
|
throw std::string("$ENV invocation: empty argument list!");
|
|
|
|
ret += "checkCString(std::getenv(\"";
|
|
ret += std::string(cmd.begin() + 5, cmd.begin() + cparen);
|
|
ret += "\"))";
|
|
}
|
|
else {
|
|
throw "Unknown special command: " + cmd;
|
|
}
|
|
|
|
if (cmd.begin() + cparen + 1 != cmd.end()) {
|
|
ret += " + std::string(\"";
|
|
ret += (cmd.c_str() + cparen + 1);
|
|
ret += "\")";
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/// EmitCmdLineVecFill - Emit code that fills in the command line
|
|
/// vector. Helper function used by EmitGenerateActionMethod().
|
|
void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
|
|
bool IsJoin, const char* IndentLevel,
|
|
std::ostream& O) {
|
|
StrVector StrVec;
|
|
SplitString(InitPtrToString(CmdLine), StrVec);
|
|
if (StrVec.empty())
|
|
throw "Tool " + ToolName + " has empty command line!";
|
|
|
|
StrVector::const_iterator I = StrVec.begin();
|
|
++I;
|
|
for (StrVector::const_iterator E = StrVec.end(); I != E; ++I) {
|
|
const std::string& cmd = *I;
|
|
O << IndentLevel;
|
|
if (cmd.at(0) == '$') {
|
|
if (cmd == "$INFILE") {
|
|
if (IsJoin)
|
|
O << "for (PathVector::const_iterator B = inFiles.begin()"
|
|
<< ", E = inFiles.end();\n"
|
|
<< IndentLevel << "B != E; ++B)\n"
|
|
<< IndentLevel << Indent1 << "vec.push_back(B->toString());\n";
|
|
else
|
|
O << "vec.push_back(inFile.toString());\n";
|
|
}
|
|
else if (cmd == "$OUTFILE") {
|
|
O << "vec.push_back(out_file);\n";
|
|
}
|
|
else {
|
|
O << "vec.push_back(" << SubstituteSpecialCommands(cmd);
|
|
O << ");\n";
|
|
}
|
|
}
|
|
else {
|
|
O << "vec.push_back(\"" << cmd << "\");\n";
|
|
}
|
|
}
|
|
O << IndentLevel << "cmd = "
|
|
<< ((StrVec[0][0] == '$') ? SubstituteSpecialCommands(StrVec[0])
|
|
: "\"" + StrVec[0] + "\"")
|
|
<< ";\n";
|
|
}
|
|
|
|
/// EmitCmdLineVecFillCallback - A function object wrapper around
|
|
/// EmitCmdLineVecFill(). Used by EmitGenerateActionMethod() as an
|
|
/// argument to EmitCaseConstructHandler().
|
|
class EmitCmdLineVecFillCallback {
|
|
bool IsJoin;
|
|
const std::string& ToolName;
|
|
public:
|
|
EmitCmdLineVecFillCallback(bool J, const std::string& TN)
|
|
: IsJoin(J), ToolName(TN) {}
|
|
|
|
void operator()(const Init* Statement, const char* IndentLevel,
|
|
std::ostream& O) const
|
|
{
|
|
EmitCmdLineVecFill(Statement, ToolName, IsJoin,
|
|
IndentLevel, O);
|
|
}
|
|
};
|
|
|
|
/// EmitForwardOptionPropertyHandlingCode - Helper function used to
|
|
/// implement EmitActionHandler. Emits code for
|
|
/// handling the (forward) and (forward_as) option properties.
|
|
void EmitForwardOptionPropertyHandlingCode (const OptionDescription& D,
|
|
const char* Indent,
|
|
const std::string& NewName,
|
|
std::ostream& O) {
|
|
const std::string& Name = NewName.empty()
|
|
? ("-" + D.Name)
|
|
: NewName;
|
|
|
|
switch (D.Type) {
|
|
case OptionType::Switch:
|
|
O << Indent << "vec.push_back(\"" << Name << "\");\n";
|
|
break;
|
|
case OptionType::Parameter:
|
|
O << Indent << "vec.push_back(\"" << Name << "\");\n";
|
|
O << Indent << "vec.push_back(" << D.GenVariableName() << ");\n";
|
|
break;
|
|
case OptionType::Prefix:
|
|
O << Indent << "vec.push_back(\"" << Name << "\" + "
|
|
<< D.GenVariableName() << ");\n";
|
|
break;
|
|
case OptionType::PrefixList:
|
|
O << Indent << "for (" << D.GenTypeDeclaration()
|
|
<< "::iterator B = " << D.GenVariableName() << ".begin(),\n"
|
|
<< Indent << "E = " << D.GenVariableName() << ".end(); B != E; ++B)\n"
|
|
<< Indent << Indent1 << "vec.push_back(\"" << Name << "\" + "
|
|
<< "*B);\n";
|
|
break;
|
|
case OptionType::ParameterList:
|
|
O << Indent << "for (" << D.GenTypeDeclaration()
|
|
<< "::iterator B = " << D.GenVariableName() << ".begin(),\n"
|
|
<< Indent << "E = " << D.GenVariableName()
|
|
<< ".end() ; B != E; ++B) {\n"
|
|
<< Indent << Indent1 << "vec.push_back(\"" << Name << "\");\n"
|
|
<< Indent << Indent1 << "vec.push_back(*B);\n"
|
|
<< Indent << "}\n";
|
|
break;
|
|
case OptionType::Alias:
|
|
default:
|
|
throw std::string("Aliases are not allowed in tool option descriptions!");
|
|
}
|
|
}
|
|
|
|
/// EmitActionHandler - Emit code that handles actions. Used by
|
|
/// EmitGenerateActionMethod() as an argument to
|
|
/// EmitCaseConstructHandler().
|
|
class EmitActionHandler {
|
|
const OptionDescriptions& OptDescs;
|
|
|
|
void processActionDag(const Init* Statement, const char* IndentLevel,
|
|
std::ostream& O) const
|
|
{
|
|
const DagInit& Dag = InitPtrToDag(Statement);
|
|
const std::string& ActionName = Dag.getOperator()->getAsString();
|
|
|
|
if (ActionName == "append_cmd") {
|
|
checkNumberOfArguments(&Dag, 1);
|
|
const std::string& Cmd = InitPtrToString(Dag.getArg(0));
|
|
O << IndentLevel << "vec.push_back(\"" << Cmd << "\");\n";
|
|
}
|
|
else if (ActionName == "forward") {
|
|
checkNumberOfArguments(&Dag, 1);
|
|
const std::string& Name = InitPtrToString(Dag.getArg(0));
|
|
EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
|
|
IndentLevel, "", O);
|
|
}
|
|
else if (ActionName == "forward_as") {
|
|
checkNumberOfArguments(&Dag, 2);
|
|
const std::string& Name = InitPtrToString(Dag.getArg(0));
|
|
const std::string& NewName = InitPtrToString(Dag.getArg(0));
|
|
EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
|
|
IndentLevel, NewName, O);
|
|
}
|
|
else if (ActionName == "output_suffix") {
|
|
checkNumberOfArguments(&Dag, 1);
|
|
const std::string& OutSuf = InitPtrToString(Dag.getArg(0));
|
|
O << IndentLevel << "output_suffix = \"" << OutSuf << "\";\n";
|
|
}
|
|
else if (ActionName == "stop_compilation") {
|
|
O << IndentLevel << "stop_compilation = true;\n";
|
|
}
|
|
else if (ActionName == "unpack_values") {
|
|
checkNumberOfArguments(&Dag, 1);
|
|
const std::string& Name = InitPtrToString(Dag.getArg(0));
|
|
const OptionDescription& D = OptDescs.FindOption(Name);
|
|
|
|
if (OptionType::IsList(D.Type)) {
|
|
O << IndentLevel << "for (" << D.GenTypeDeclaration()
|
|
<< "::iterator B = " << D.GenVariableName() << ".begin(),\n"
|
|
<< IndentLevel << "E = " << D.GenVariableName()
|
|
<< ".end(); B != E; ++B)\n"
|
|
<< IndentLevel << Indent1 << "llvm::SplitString(*B, vec, \",\");\n";
|
|
}
|
|
else if (OptionType::IsParameter(D.Type)){
|
|
O << Indent3 << "llvm::SplitString("
|
|
<< D.GenVariableName() << ", vec, \",\");\n";
|
|
}
|
|
else {
|
|
throw "Option '" + D.Name +
|
|
"': switches can't have the 'unpack_values' property!";
|
|
}
|
|
}
|
|
else {
|
|
throw "Unknown action name: " + ActionName + "!";
|
|
}
|
|
}
|
|
public:
|
|
EmitActionHandler(const OptionDescriptions& OD)
|
|
: OptDescs(OD) {}
|
|
|
|
void operator()(const Init* Statement, const char* IndentLevel,
|
|
std::ostream& O) const
|
|
{
|
|
if (typeid(*Statement) == typeid(ListInit)) {
|
|
const ListInit& DagList = *static_cast<const ListInit*>(Statement);
|
|
for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
|
|
B != E; ++B)
|
|
this->processActionDag(*B, IndentLevel, O);
|
|
}
|
|
else {
|
|
this->processActionDag(Statement, IndentLevel, O);
|
|
}
|
|
}
|
|
};
|
|
|
|
// EmitGenerateActionMethod - Emit one of two versions of the
|
|
// Tool::GenerateAction() method.
|
|
void EmitGenerateActionMethod (const ToolDescription& D,
|
|
const OptionDescriptions& OptDescs,
|
|
bool IsJoin, std::ostream& O) {
|
|
if (IsJoin)
|
|
O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n";
|
|
else
|
|
O << Indent1 << "Action GenerateAction(const sys::Path& inFile,\n";
|
|
|
|
O << Indent2 << "bool HasChildren,\n"
|
|
<< Indent2 << "const llvm::sys::Path& TempDir,\n"
|
|
<< Indent2 << "const InputLanguagesSet& InLangs,\n"
|
|
<< Indent2 << "const LanguageMap& LangMap) const\n"
|
|
<< Indent1 << "{\n"
|
|
<< Indent2 << "std::string cmd;\n"
|
|
<< Indent2 << "std::vector<std::string> vec;\n"
|
|
<< Indent2 << "bool stop_compilation = !HasChildren;\n"
|
|
<< Indent2 << "const char* output_suffix = \"" << D.OutputSuffix << "\";\n"
|
|
<< Indent2 << "std::string out_file;\n\n";
|
|
|
|
// For every understood option, emit handling code.
|
|
if (D.Actions)
|
|
EmitCaseConstructHandler(D.Actions, Indent2, EmitActionHandler(OptDescs),
|
|
false, OptDescs, O);
|
|
|
|
O << '\n' << Indent2
|
|
<< "out_file = OutFilename(" << (IsJoin ? "sys::Path(),\n" : "inFile,\n")
|
|
<< Indent3 << "TempDir, stop_compilation, output_suffix).toString();\n\n";
|
|
|
|
// cmd_line is either a string or a 'case' construct.
|
|
if (!D.CmdLine)
|
|
throw "Tool " + D.Name + " has no cmd_line property!";
|
|
else if (typeid(*D.CmdLine) == typeid(StringInit))
|
|
EmitCmdLineVecFill(D.CmdLine, D.Name, IsJoin, Indent2, O);
|
|
else
|
|
EmitCaseConstructHandler(D.CmdLine, Indent2,
|
|
EmitCmdLineVecFillCallback(IsJoin, D.Name),
|
|
true, OptDescs, O);
|
|
|
|
// Handle the Sink property.
|
|
if (D.isSink()) {
|
|
O << Indent2 << "if (!" << SinkOptionName << ".empty()) {\n"
|
|
<< Indent3 << "vec.insert(vec.end(), "
|
|
<< SinkOptionName << ".begin(), " << SinkOptionName << ".end());\n"
|
|
<< Indent2 << "}\n";
|
|
}
|
|
|
|
O << Indent2 << "return Action(cmd, vec, stop_compilation, out_file);\n"
|
|
<< Indent1 << "}\n\n";
|
|
}
|
|
|
|
/// EmitGenerateActionMethods - Emit two GenerateAction() methods for
|
|
/// a given Tool class.
|
|
void EmitGenerateActionMethods (const ToolDescription& ToolDesc,
|
|
const OptionDescriptions& OptDescs,
|
|
std::ostream& O) {
|
|
if (!ToolDesc.isJoin())
|
|
O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n"
|
|
<< Indent2 << "bool HasChildren,\n"
|
|
<< Indent2 << "const llvm::sys::Path& TempDir,\n"
|
|
<< Indent2 << "const InputLanguagesSet& InLangs,\n"
|
|
<< Indent2 << "const LanguageMap& LangMap) const\n"
|
|
<< Indent1 << "{\n"
|
|
<< Indent2 << "throw std::runtime_error(\"" << ToolDesc.Name
|
|
<< " is not a Join tool!\");\n"
|
|
<< Indent1 << "}\n\n";
|
|
else
|
|
EmitGenerateActionMethod(ToolDesc, OptDescs, true, O);
|
|
|
|
EmitGenerateActionMethod(ToolDesc, OptDescs, false, O);
|
|
}
|
|
|
|
/// EmitInOutLanguageMethods - Emit the [Input,Output]Language()
|
|
/// methods for a given Tool class.
|
|
void EmitInOutLanguageMethods (const ToolDescription& D, std::ostream& O) {
|
|
O << Indent1 << "const char** InputLanguages() const {\n"
|
|
<< Indent2 << "return InputLanguages_;\n"
|
|
<< Indent1 << "}\n\n";
|
|
|
|
if (D.OutLanguage.empty())
|
|
throw "Tool " + D.Name + " has no 'out_language' property!";
|
|
|
|
O << Indent1 << "const char* OutputLanguage() const {\n"
|
|
<< Indent2 << "return \"" << D.OutLanguage << "\";\n"
|
|
<< Indent1 << "}\n\n";
|
|
}
|
|
|
|
/// EmitNameMethod - Emit the Name() method for a given Tool class.
|
|
void EmitNameMethod (const ToolDescription& D, std::ostream& O) {
|
|
O << Indent1 << "const char* Name() const {\n"
|
|
<< Indent2 << "return \"" << D.Name << "\";\n"
|
|
<< Indent1 << "}\n\n";
|
|
}
|
|
|
|
/// EmitIsJoinMethod - Emit the IsJoin() method for a given Tool
|
|
/// class.
|
|
void EmitIsJoinMethod (const ToolDescription& D, std::ostream& O) {
|
|
O << Indent1 << "bool IsJoin() const {\n";
|
|
if (D.isJoin())
|
|
O << Indent2 << "return true;\n";
|
|
else
|
|
O << Indent2 << "return false;\n";
|
|
O << Indent1 << "}\n\n";
|
|
}
|
|
|
|
/// EmitStaticMemberDefinitions - Emit static member definitions for a
|
|
/// given Tool class.
|
|
void EmitStaticMemberDefinitions(const ToolDescription& D, std::ostream& O) {
|
|
if (D.InLanguage.empty())
|
|
throw "Tool " + D.Name + " has no 'in_language' property!";
|
|
|
|
O << "const char* " << D.Name << "::InputLanguages_[] = {";
|
|
for (StrVector::const_iterator B = D.InLanguage.begin(),
|
|
E = D.InLanguage.end(); B != E; ++B)
|
|
O << '\"' << *B << "\", ";
|
|
O << "0};\n\n";
|
|
}
|
|
|
|
/// EmitToolClassDefinition - Emit a Tool class definition.
|
|
void EmitToolClassDefinition (const ToolDescription& D,
|
|
const OptionDescriptions& OptDescs,
|
|
std::ostream& O) {
|
|
if (D.Name == "root")
|
|
return;
|
|
|
|
// Header
|
|
O << "class " << D.Name << " : public ";
|
|
if (D.isJoin())
|
|
O << "JoinTool";
|
|
else
|
|
O << "Tool";
|
|
|
|
O << "{\nprivate:\n"
|
|
<< Indent1 << "static const char* InputLanguages_[];\n\n";
|
|
|
|
O << "public:\n";
|
|
EmitNameMethod(D, O);
|
|
EmitInOutLanguageMethods(D, O);
|
|
EmitIsJoinMethod(D, O);
|
|
EmitGenerateActionMethods(D, OptDescs, O);
|
|
|
|
// Close class definition
|
|
O << "};\n";
|
|
|
|
EmitStaticMemberDefinitions(D, O);
|
|
|
|
}
|
|
|
|
/// EmitOptionDefintions - Iterate over a list of option descriptions
|
|
/// and emit registration code.
|
|
void EmitOptionDefintions (const OptionDescriptions& descs,
|
|
bool HasSink, bool HasExterns,
|
|
std::ostream& O)
|
|
{
|
|
std::vector<OptionDescription> Aliases;
|
|
|
|
// Emit static cl::Option variables.
|
|
for (OptionDescriptions::const_iterator B = descs.begin(),
|
|
E = descs.end(); B!=E; ++B) {
|
|
const OptionDescription& val = B->second;
|
|
|
|
if (val.Type == OptionType::Alias) {
|
|
Aliases.push_back(val);
|
|
continue;
|
|
}
|
|
|
|
if (val.isExtern())
|
|
O << "extern ";
|
|
|
|
O << val.GenTypeDeclaration() << ' '
|
|
<< val.GenVariableName();
|
|
|
|
if (val.isExtern()) {
|
|
O << ";\n";
|
|
continue;
|
|
}
|
|
|
|
O << "(\"" << val.Name << '\"';
|
|
|
|
if (val.Type == OptionType::Prefix || val.Type == OptionType::PrefixList)
|
|
O << ", cl::Prefix";
|
|
|
|
if (val.isRequired()) {
|
|
switch (val.Type) {
|
|
case OptionType::PrefixList:
|
|
case OptionType::ParameterList:
|
|
O << ", cl::OneOrMore";
|
|
break;
|
|
default:
|
|
O << ", cl::Required";
|
|
}
|
|
}
|
|
|
|
if (val.isReallyHidden() || val.isHidden()) {
|
|
if (val.isRequired())
|
|
O << " |";
|
|
else
|
|
O << ",";
|
|
if (val.isReallyHidden())
|
|
O << " cl::ReallyHidden";
|
|
else
|
|
O << " cl::Hidden";
|
|
}
|
|
|
|
if (!val.Help.empty())
|
|
O << ", cl::desc(\"" << val.Help << "\")";
|
|
|
|
O << ");\n";
|
|
}
|
|
|
|
// Emit the aliases (they should go after all the 'proper' options).
|
|
for (std::vector<OptionDescription>::const_iterator
|
|
B = Aliases.begin(), E = Aliases.end(); B != E; ++B) {
|
|
const OptionDescription& val = *B;
|
|
|
|
O << val.GenTypeDeclaration() << ' '
|
|
<< val.GenVariableName()
|
|
<< "(\"" << val.Name << '\"';
|
|
|
|
const OptionDescription& D = descs.FindOption(val.Help);
|
|
O << ", cl::aliasopt(" << D.GenVariableName() << ")";
|
|
|
|
O << ", cl::desc(\"" << "An alias for -" + val.Help << "\"));\n";
|
|
}
|
|
|
|
// Emit the sink option.
|
|
if (HasSink)
|
|
O << (HasExterns ? "extern cl" : "cl")
|
|
<< "::list<std::string> " << SinkOptionName
|
|
<< (HasExterns ? ";\n" : "(cl::Sink);\n");
|
|
|
|
O << '\n';
|
|
}
|
|
|
|
/// EmitPopulateLanguageMap - Emit the PopulateLanguageMap() function.
|
|
void EmitPopulateLanguageMap (const RecordKeeper& Records, std::ostream& O)
|
|
{
|
|
// Generate code
|
|
O << "void PopulateLanguageMapLocal(LanguageMap& langMap) {\n";
|
|
|
|
// Get the relevant field out of RecordKeeper
|
|
const Record* LangMapRecord = Records.getDef("LanguageMap");
|
|
|
|
// It is allowed for a plugin to have no language map.
|
|
if (LangMapRecord) {
|
|
|
|
ListInit* LangsToSuffixesList = LangMapRecord->getValueAsListInit("map");
|
|
if (!LangsToSuffixesList)
|
|
throw std::string("Error in the language map definition!");
|
|
|
|
for (unsigned i = 0; i < LangsToSuffixesList->size(); ++i) {
|
|
const Record* LangToSuffixes = LangsToSuffixesList->getElementAsRecord(i);
|
|
|
|
const std::string& Lang = LangToSuffixes->getValueAsString("lang");
|
|
const ListInit* Suffixes = LangToSuffixes->getValueAsListInit("suffixes");
|
|
|
|
for (unsigned i = 0; i < Suffixes->size(); ++i)
|
|
O << Indent1 << "langMap[\""
|
|
<< InitPtrToString(Suffixes->getElement(i))
|
|
<< "\"] = \"" << Lang << "\";\n";
|
|
}
|
|
}
|
|
|
|
O << "}\n\n";
|
|
}
|
|
|
|
/// IncDecWeight - Helper function passed to EmitCaseConstructHandler()
|
|
/// by EmitEdgeClass().
|
|
void IncDecWeight (const Init* i, const char* IndentLevel,
|
|
std::ostream& O) {
|
|
const DagInit& d = InitPtrToDag(i);
|
|
const std::string& OpName = d.getOperator()->getAsString();
|
|
|
|
if (OpName == "inc_weight")
|
|
O << IndentLevel << "ret += ";
|
|
else if (OpName == "dec_weight")
|
|
O << IndentLevel << "ret -= ";
|
|
else
|
|
throw "Unknown operator in edge properties list: " + OpName + '!';
|
|
|
|
if (d.getNumArgs() > 0)
|
|
O << InitPtrToInt(d.getArg(0)) << ";\n";
|
|
else
|
|
O << "2;\n";
|
|
|
|
}
|
|
|
|
/// EmitEdgeClass - Emit a single Edge# class.
|
|
void EmitEdgeClass (unsigned N, const std::string& Target,
|
|
DagInit* Case, const OptionDescriptions& OptDescs,
|
|
std::ostream& O) {
|
|
|
|
// Class constructor.
|
|
O << "class Edge" << N << ": public Edge {\n"
|
|
<< "public:\n"
|
|
<< Indent1 << "Edge" << N << "() : Edge(\"" << Target
|
|
<< "\") {}\n\n"
|
|
|
|
// Function Weight().
|
|
<< Indent1 << "unsigned Weight(const InputLanguagesSet& InLangs) const {\n"
|
|
<< Indent2 << "unsigned ret = 0;\n";
|
|
|
|
// Handle the 'case' construct.
|
|
EmitCaseConstructHandler(Case, Indent2, IncDecWeight, false, OptDescs, O);
|
|
|
|
O << Indent2 << "return ret;\n"
|
|
<< Indent1 << "};\n\n};\n\n";
|
|
}
|
|
|
|
/// EmitEdgeClasses - Emit Edge* classes that represent graph edges.
|
|
void EmitEdgeClasses (const RecordVector& EdgeVector,
|
|
const OptionDescriptions& OptDescs,
|
|
std::ostream& O) {
|
|
int i = 0;
|
|
for (RecordVector::const_iterator B = EdgeVector.begin(),
|
|
E = EdgeVector.end(); B != E; ++B) {
|
|
const Record* Edge = *B;
|
|
const std::string& NodeB = Edge->getValueAsString("b");
|
|
DagInit* Weight = Edge->getValueAsDag("weight");
|
|
|
|
if (!isDagEmpty(Weight))
|
|
EmitEdgeClass(i, NodeB, Weight, OptDescs, O);
|
|
++i;
|
|
}
|
|
}
|
|
|
|
/// EmitPopulateCompilationGraph - Emit the PopulateCompilationGraph()
|
|
/// function.
|
|
void EmitPopulateCompilationGraph (const RecordVector& EdgeVector,
|
|
const ToolDescriptions& ToolDescs,
|
|
std::ostream& O)
|
|
{
|
|
O << "void PopulateCompilationGraphLocal(CompilationGraph& G) {\n";
|
|
|
|
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
|
|
E = ToolDescs.end(); B != E; ++B)
|
|
O << Indent1 << "G.insertNode(new " << (*B)->Name << "());\n";
|
|
|
|
O << '\n';
|
|
|
|
// Insert edges.
|
|
|
|
int i = 0;
|
|
for (RecordVector::const_iterator B = EdgeVector.begin(),
|
|
E = EdgeVector.end(); B != E; ++B) {
|
|
const Record* Edge = *B;
|
|
const std::string& NodeA = Edge->getValueAsString("a");
|
|
const std::string& NodeB = Edge->getValueAsString("b");
|
|
DagInit* Weight = Edge->getValueAsDag("weight");
|
|
|
|
O << Indent1 << "G.insertEdge(\"" << NodeA << "\", ";
|
|
|
|
if (isDagEmpty(Weight))
|
|
O << "new SimpleEdge(\"" << NodeB << "\")";
|
|
else
|
|
O << "new Edge" << i << "()";
|
|
|
|
O << ");\n";
|
|
++i;
|
|
}
|
|
|
|
O << "}\n\n";
|
|
}
|
|
|
|
/// ExtractHookNames - Extract the hook names from all instances of
|
|
/// $CALL(HookName) in the provided command line string. Helper
|
|
/// function used by FillInHookNames().
|
|
class ExtractHookNames {
|
|
llvm::StringSet<>& HookNames_;
|
|
public:
|
|
ExtractHookNames(llvm::StringSet<>& HookNames)
|
|
: HookNames_(HookNames_) {}
|
|
|
|
void operator()(const Init* CmdLine) {
|
|
StrVector cmds;
|
|
llvm::SplitString(InitPtrToString(CmdLine), cmds);
|
|
for (StrVector::const_iterator B = cmds.begin(), E = cmds.end();
|
|
B != E; ++B) {
|
|
const std::string& cmd = *B;
|
|
if (cmd.find("$CALL(") == 0) {
|
|
if (cmd.size() == 6)
|
|
throw std::string("$CALL invocation: empty argument list!");
|
|
HookNames_.insert(std::string(cmd.begin() + 6,
|
|
cmd.begin() + cmd.find(")")));
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/// FillInHookNames - Actually extract the hook names from all command
|
|
/// line strings. Helper function used by EmitHookDeclarations().
|
|
void FillInHookNames(const ToolDescriptions& ToolDescs,
|
|
llvm::StringSet<>& HookNames)
|
|
{
|
|
// For all command lines:
|
|
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
|
|
E = ToolDescs.end(); B != E; ++B) {
|
|
const ToolDescription& D = *(*B);
|
|
if (!D.CmdLine)
|
|
continue;
|
|
if (dynamic_cast<StringInit*>(D.CmdLine))
|
|
// This is a string.
|
|
ExtractHookNames(HookNames).operator()(D.CmdLine);
|
|
else
|
|
// This is a 'case' construct.
|
|
WalkCase(D.CmdLine, Id(), ExtractHookNames(HookNames));
|
|
}
|
|
}
|
|
|
|
/// EmitHookDeclarations - Parse CmdLine fields of all the tool
|
|
/// property records and emit hook function declaration for each
|
|
/// instance of $CALL(HookName).
|
|
void EmitHookDeclarations(const ToolDescriptions& ToolDescs, std::ostream& O) {
|
|
llvm::StringSet<> HookNames;
|
|
FillInHookNames(ToolDescs, HookNames);
|
|
if (HookNames.empty())
|
|
return;
|
|
|
|
O << "namespace hooks {\n";
|
|
for (StringSet<>::const_iterator B = HookNames.begin(), E = HookNames.end();
|
|
B != E; ++B)
|
|
O << Indent1 << "std::string " << B->first() << "();\n";
|
|
|
|
O << "}\n\n";
|
|
}
|
|
|
|
/// EmitRegisterPlugin - Emit code to register this plugin.
|
|
void EmitRegisterPlugin(int Priority, std::ostream& O) {
|
|
O << "struct Plugin : public llvmc::BasePlugin {\n\n"
|
|
<< Indent1 << "int Priority() const { return " << Priority << "; }\n\n"
|
|
<< Indent1 << "void PopulateLanguageMap(LanguageMap& langMap) const\n"
|
|
<< Indent1 << "{ PopulateLanguageMapLocal(langMap); }\n\n"
|
|
<< Indent1
|
|
<< "void PopulateCompilationGraph(CompilationGraph& graph) const\n"
|
|
<< Indent1 << "{ PopulateCompilationGraphLocal(graph); }\n"
|
|
<< "};\n\n"
|
|
|
|
<< "static llvmc::RegisterPlugin<Plugin> RP;\n\n";
|
|
}
|
|
|
|
/// EmitIncludes - Emit necessary #include directives and some
|
|
/// additional declarations.
|
|
void EmitIncludes(std::ostream& O) {
|
|
O << "#include \"llvm/CompilerDriver/CompilationGraph.h\"\n"
|
|
<< "#include \"llvm/CompilerDriver/Plugin.h\"\n"
|
|
<< "#include \"llvm/CompilerDriver/Tool.h\"\n\n"
|
|
|
|
<< "#include \"llvm/ADT/StringExtras.h\"\n"
|
|
<< "#include \"llvm/Support/CommandLine.h\"\n\n"
|
|
|
|
<< "#include <cstdlib>\n"
|
|
<< "#include <stdexcept>\n\n"
|
|
|
|
<< "using namespace llvm;\n"
|
|
<< "using namespace llvmc;\n\n"
|
|
|
|
<< "extern cl::opt<std::string> OutputFilename;\n\n"
|
|
|
|
<< "inline const char* checkCString(const char* s)\n"
|
|
<< "{ return s == NULL ? \"\" : s; }\n\n";
|
|
}
|
|
|
|
|
|
/// PluginData - Holds all information about a plugin.
|
|
struct PluginData {
|
|
OptionDescriptions OptDescs;
|
|
bool HasSink;
|
|
bool HasExterns;
|
|
ToolDescriptions ToolDescs;
|
|
RecordVector Edges;
|
|
int Priority;
|
|
};
|
|
|
|
/// HasSink - Go through the list of tool descriptions and check if
|
|
/// there are any with the 'sink' property set.
|
|
bool HasSink(const ToolDescriptions& ToolDescs) {
|
|
for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
|
|
E = ToolDescs.end(); B != E; ++B)
|
|
if ((*B)->isSink())
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
/// HasExterns - Go through the list of option descriptions and check
|
|
/// if there are any external options.
|
|
bool HasExterns(const OptionDescriptions& OptDescs) {
|
|
for (OptionDescriptions::const_iterator B = OptDescs.begin(),
|
|
E = OptDescs.end(); B != E; ++B)
|
|
if (B->second.isExtern())
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
/// CollectPluginData - Collect tool and option properties,
|
|
/// compilation graph edges and plugin priority from the parse tree.
|
|
void CollectPluginData (const RecordKeeper& Records, PluginData& Data) {
|
|
// Collect option properties.
|
|
const RecordVector& OptionLists =
|
|
Records.getAllDerivedDefinitions("OptionList");
|
|
CollectOptionDescriptions(OptionLists.begin(), OptionLists.end(),
|
|
Data.OptDescs);
|
|
|
|
// Collect tool properties.
|
|
const RecordVector& Tools = Records.getAllDerivedDefinitions("Tool");
|
|
CollectToolDescriptions(Tools.begin(), Tools.end(), Data.ToolDescs);
|
|
Data.HasSink = HasSink(Data.ToolDescs);
|
|
Data.HasExterns = HasExterns(Data.OptDescs);
|
|
|
|
// Collect compilation graph edges.
|
|
const RecordVector& CompilationGraphs =
|
|
Records.getAllDerivedDefinitions("CompilationGraph");
|
|
FillInEdgeVector(CompilationGraphs.begin(), CompilationGraphs.end(),
|
|
Data.Edges);
|
|
|
|
// Calculate the priority of this plugin.
|
|
const RecordVector& Priorities =
|
|
Records.getAllDerivedDefinitions("PluginPriority");
|
|
Data.Priority = CalculatePriority(Priorities.begin(), Priorities.end());
|
|
}
|
|
|
|
/// CheckPluginData - Perform some sanity checks on the collected data.
|
|
void CheckPluginData(PluginData& Data) {
|
|
// Filter out all tools not mentioned in the compilation graph.
|
|
FilterNotInGraph(Data.Edges, Data.ToolDescs);
|
|
|
|
// Typecheck the compilation graph.
|
|
TypecheckGraph(Data.Edges, Data.ToolDescs);
|
|
|
|
// Check that there are no options without side effects (specified
|
|
// only in the OptionList).
|
|
CheckForSuperfluousOptions(Data.Edges, Data.ToolDescs, Data.OptDescs);
|
|
|
|
}
|
|
|
|
void EmitPluginCode(const PluginData& Data, std::ostream& O) {
|
|
// Emit file header.
|
|
EmitIncludes(O);
|
|
|
|
// Emit global option registration code.
|
|
EmitOptionDefintions(Data.OptDescs, Data.HasSink, Data.HasExterns, O);
|
|
|
|
// Emit hook declarations.
|
|
EmitHookDeclarations(Data.ToolDescs, O);
|
|
|
|
O << "namespace {\n\n";
|
|
|
|
// Emit PopulateLanguageMap() function
|
|
// (a language map maps from file extensions to language names).
|
|
EmitPopulateLanguageMap(Records, O);
|
|
|
|
// Emit Tool classes.
|
|
for (ToolDescriptions::const_iterator B = Data.ToolDescs.begin(),
|
|
E = Data.ToolDescs.end(); B!=E; ++B)
|
|
EmitToolClassDefinition(*(*B), Data.OptDescs, O);
|
|
|
|
// Emit Edge# classes.
|
|
EmitEdgeClasses(Data.Edges, Data.OptDescs, O);
|
|
|
|
// Emit PopulateCompilationGraph() function.
|
|
EmitPopulateCompilationGraph(Data.Edges, Data.ToolDescs, O);
|
|
|
|
// Emit code for plugin registration.
|
|
EmitRegisterPlugin(Data.Priority, O);
|
|
|
|
O << "} // End anonymous namespace.\n";
|
|
// EOF
|
|
}
|
|
|
|
|
|
// End of anonymous namespace
|
|
}
|
|
|
|
/// run - The back-end entry point.
|
|
void LLVMCConfigurationEmitter::run (std::ostream &O) {
|
|
try {
|
|
PluginData Data;
|
|
|
|
CollectPluginData(Records, Data);
|
|
CheckPluginData(Data);
|
|
|
|
EmitSourceFileHeader("LLVMC Configuration Library", O);
|
|
EmitPluginCode(Data, O);
|
|
|
|
} catch (std::exception& Error) {
|
|
throw Error.what() + std::string(" - usually this means a syntax error.");
|
|
}
|
|
}
|