mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-02 16:56:50 +00:00
ac67b7ea8f
on ideas mentioned in PR686. Written by Mikhail Glushenkov and contributed by Codedgers, Inc. Old llvmc will be removed soon after new one will have all its properties. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48699 91177308-0d34-0410-b5e6-96231b3b80d8
936 lines
29 KiB
C++
936 lines
29 KiB
C++
//===- LLVMCConfigurationEmitter.cpp - Generate LLVMCC config -------------===//
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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 LLVMCC configuration code.
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//
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//===----------------------------------------------------------------------===//
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#include "LLVMCCConfigurationEmitter.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/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 <string>
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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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const char * Indent4 = " ";
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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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std::string InitPtrToString(Init* ptr) {
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StringInit& val = dynamic_cast<StringInit&>(*ptr);
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return val.getValue();
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}
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//===----------------------------------------------------------------------===//
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/// Back-end specific code
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// A command-line option can have one of the following types:
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//
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// Switch - a simple switch w/o arguments, e.g. -O2
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//
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// Parameter - an option that takes one(and only one) argument, e.g. -o file,
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// --output=file
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//
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// ParameterList - same as Parameter, but more than one occurence
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// of the option is allowed, e.g. -lm -lpthread
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//
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// Prefix - argument is everything after the prefix,
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// e.g. -Wa,-foo,-bar, -DNAME=VALUE
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//
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// PrefixList - same as Prefix, but more than one option occurence is
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// allowed
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namespace OptionType {
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enum OptionType { Switch, Parameter, ParameterList, Prefix, PrefixList};
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}
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bool IsListOptionType (OptionType::OptionType t) {
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return (t == OptionType::ParameterList || t == OptionType::PrefixList);
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}
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// Code duplication here is necessary because one option can affect
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// several tools and those tools may have different actions associated
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// with this option. GlobalOptionDescriptions are used to generate
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// the option registration code, while ToolOptionDescriptions are used
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// to generate tool-specific code.
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// Base class for option descriptions
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struct OptionDescription {
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OptionType::OptionType Type;
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std::string Name;
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OptionDescription(OptionType::OptionType t = OptionType::Switch,
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const std::string& n = "")
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: Type(t), Name(n)
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{}
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const char* GenTypeDeclaration() const {
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switch (Type) {
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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 GenVariableName() const {
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switch (Type) {
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case OptionType::Switch:
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return "AutoGeneratedSwitch" + Name;
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case OptionType::Prefix:
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return "AutoGeneratedPrefix" + Name;
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case OptionType::PrefixList:
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return "AutoGeneratedPrefixList" + Name;
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case OptionType::Parameter:
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return "AutoGeneratedParameter" + Name;
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case OptionType::ParameterList:
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default:
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return "AutoGeneratedParameterList" + Name;
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}
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}
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};
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// Global option description
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namespace GlobalOptionDescriptionFlags {
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enum GlobalOptionDescriptionFlags { Required = 0x1 };
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}
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struct GlobalOptionDescription : public OptionDescription {
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std::string Help;
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unsigned Flags;
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// StringMap can only store DefaultConstructible objects
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GlobalOptionDescription() : OptionDescription(), Flags(0)
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{}
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GlobalOptionDescription (OptionType::OptionType t, const std::string& n)
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: OptionDescription(t, n), Help(DefaultHelpString), Flags(0)
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{}
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bool isRequired() const {
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return Flags & GlobalOptionDescriptionFlags::Required;
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}
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void setRequired() {
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Flags |= GlobalOptionDescriptionFlags::Required;
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}
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// Merge two option descriptions
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void Merge (const GlobalOptionDescription& 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.empty() && !other.Help.empty())
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Help = other.Help;
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else if (!Help.empty() && !other.Help.empty())
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cerr << "Warning: more than one help string defined for option "
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+ Name + "\n";
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Flags |= other.Flags;
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}
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};
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// A GlobalOptionDescription array
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// + some flags affecting generation of option declarations
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struct GlobalOptionDescriptions {
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typedef StringMap<GlobalOptionDescription> container_type;
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typedef container_type::const_iterator const_iterator;
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// A list of GlobalOptionDescriptions
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container_type Descriptions;
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// Should the emitter generate a "cl::sink" option?
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bool HasSink;
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// Support for STL-style iteration
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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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// Tool-local option description
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// Properties without arguments are implemented as flags
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namespace ToolOptionDescriptionFlags {
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enum ToolOptionDescriptionFlags { StopCompilation = 0x1,
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Forward = 0x2, UnpackValues = 0x4};
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}
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namespace OptionPropertyType {
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enum OptionPropertyType { AppendCmd };
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}
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typedef std::pair<OptionPropertyType::OptionPropertyType, std::string>
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OptionProperty;
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typedef SmallVector<OptionProperty, 4> OptionPropertyList;
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struct ToolOptionDescription : public OptionDescription {
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unsigned Flags;
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OptionPropertyList Props;
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// StringMap can only store DefaultConstructible objects
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ToolOptionDescription() : OptionDescription() {}
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ToolOptionDescription (OptionType::OptionType t, const std::string& n)
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: OptionDescription(t, n)
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{}
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// Various boolean properties
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bool isStopCompilation() const {
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return Flags & ToolOptionDescriptionFlags::StopCompilation;
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}
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void setStopCompilation() {
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Flags |= ToolOptionDescriptionFlags::StopCompilation;
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}
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bool isForward() const {
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return Flags & ToolOptionDescriptionFlags::Forward;
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}
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void setForward() {
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Flags |= ToolOptionDescriptionFlags::Forward;
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}
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bool isUnpackValues() const {
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return Flags & ToolOptionDescriptionFlags::UnpackValues;
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}
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void setUnpackValues() {
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Flags |= ToolOptionDescriptionFlags::UnpackValues;
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}
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void AddProperty (OptionPropertyType::OptionPropertyType t,
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const std::string& val)
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{
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Props.push_back(std::make_pair(t, val));
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}
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};
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typedef StringMap<ToolOptionDescription> ToolOptionDescriptions;
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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 ToolProperties : public RefCountedBase<ToolProperties> {
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std::string Name;
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StrVector CmdLine;
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std::string 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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ToolOptionDescriptions OptDescs;
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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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ToolProperties() {}
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ToolProperties (const std::string& n) : Name(n) {}
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};
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// A list of Tool information records
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// IntrusiveRefCntPtrs are used because StringMap has no copy constructor
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// (and we want to avoid copying ToolProperties anyway)
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typedef std::vector<IntrusiveRefCntPtr<ToolProperties> > ToolPropertiesList;
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// Function object for iterating over a list of tool property records
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class CollectProperties {
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private:
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/// Implementation details
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// "Property handler" - a function that extracts information
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// about a given tool property from its DAG representation
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typedef void (CollectProperties::*PropertyHandler)(DagInit*);
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// Map from property names -> property handlers
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typedef StringMap<PropertyHandler> PropertyHandlerMap;
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// "Option property handler" - a function that extracts information
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// about a given option property from its DAG representation
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typedef void (CollectProperties::*
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OptionPropertyHandler)(DagInit*, GlobalOptionDescription &);
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// Map from option property names -> option property handlers
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typedef StringMap<OptionPropertyHandler> OptionPropertyHandlerMap;
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// Static maps from strings to CollectProperties methods("handlers")
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static PropertyHandlerMap propertyHandlers_;
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static OptionPropertyHandlerMap optionPropertyHandlers_;
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static bool staticMembersInitialized_;
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/// This is where the information is stored
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// Current Tool properties
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ToolProperties& toolProps_;
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// OptionDescriptions table(used to register options globally)
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GlobalOptionDescriptions& optDescs_;
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public:
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explicit CollectProperties (ToolProperties& p, GlobalOptionDescriptions& d)
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: toolProps_(p), optDescs_(d)
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{
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if (!staticMembersInitialized_) {
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// Init tool property handlers
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propertyHandlers_["cmd_line"] = &CollectProperties::onCmdLine;
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propertyHandlers_["in_language"] = &CollectProperties::onInLanguage;
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propertyHandlers_["join"] = &CollectProperties::onJoin;
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propertyHandlers_["out_language"] = &CollectProperties::onOutLanguage;
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propertyHandlers_["output_suffix"] = &CollectProperties::onOutputSuffix;
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propertyHandlers_["parameter_option"]
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= &CollectProperties::onParameter;
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propertyHandlers_["parameter_list_option"] =
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&CollectProperties::onParameterList;
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propertyHandlers_["prefix_option"] = &CollectProperties::onPrefix;
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propertyHandlers_["prefix_list_option"] =
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&CollectProperties::onPrefixList;
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propertyHandlers_["sink"] = &CollectProperties::onSink;
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propertyHandlers_["switch_option"] = &CollectProperties::onSwitch;
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// Init option property handlers
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optionPropertyHandlers_["append_cmd"] = &CollectProperties::onAppendCmd;
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optionPropertyHandlers_["forward"] = &CollectProperties::onForward;
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optionPropertyHandlers_["help"] = &CollectProperties::onHelp;
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optionPropertyHandlers_["required"] = &CollectProperties::onRequired;
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optionPropertyHandlers_["stop_compilation"] =
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&CollectProperties::onStopCompilation;
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optionPropertyHandlers_["unpack_values"] =
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&CollectProperties::onUnpackValues;
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staticMembersInitialized_ = true;
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}
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}
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// Gets called for every tool property;
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// Just forwards to the corresponding property handler.
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void operator() (Init* i) {
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DagInit& d = dynamic_cast<DagInit&>(*i);
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std::string property_name = d.getOperator()->getAsString();
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PropertyHandlerMap::iterator method
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= propertyHandlers_.find(property_name);
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if (method != propertyHandlers_.end()) {
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PropertyHandler h = method->second;
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(this->*h)(&d);
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}
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else {
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throw "Unknown tool property: " + property_name + "!";
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}
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}
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private:
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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 onCmdLine (DagInit* d) {
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checkNumberOfArguments(d, 1);
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SplitString(InitPtrToString(d->getArg(0)), toolProps_.CmdLine);
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if (toolProps_.CmdLine.empty())
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throw std::string("Tool " + toolProps_.Name + " has empty command line!");
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}
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void onInLanguage (DagInit* d) {
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checkNumberOfArguments(d, 1);
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toolProps_.InLanguage = InitPtrToString(d->getArg(0));
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}
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void onJoin (DagInit* d) {
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checkNumberOfArguments(d, 0);
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toolProps_.setJoin();
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}
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void onOutLanguage (DagInit* d) {
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checkNumberOfArguments(d, 1);
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toolProps_.OutLanguage = InitPtrToString(d->getArg(0));
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}
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void onOutputSuffix (DagInit* d) {
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checkNumberOfArguments(d, 1);
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toolProps_.OutputSuffix = InitPtrToString(d->getArg(0));
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}
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void onSink (DagInit* d) {
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checkNumberOfArguments(d, 0);
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optDescs_.HasSink = true;
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toolProps_.setSink();
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}
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void onSwitch (DagInit* d) { addOption(d, OptionType::Switch); }
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void onParameter (DagInit* d) { addOption(d, OptionType::Parameter); }
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void onParameterList (DagInit* d) { addOption(d, OptionType::ParameterList); }
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void onPrefix (DagInit* d) { addOption(d, OptionType::Prefix); }
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void onPrefixList (DagInit* d) { addOption(d, OptionType::PrefixList); }
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/// Option property handlers --
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/// Methods that handle properties that are common for all types of
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/// options (like append_cmd, stop_compilation)
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void onAppendCmd (DagInit* d, GlobalOptionDescription& o) {
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checkNumberOfArguments(d, 1);
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std::string const& cmd = InitPtrToString(d->getArg(0));
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toolProps_.OptDescs[o.Name].AddProperty(OptionPropertyType::AppendCmd, cmd);
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}
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void onForward (DagInit* d, GlobalOptionDescription& o) {
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checkNumberOfArguments(d, 0);
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toolProps_.OptDescs[o.Name].setForward();
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}
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void onHelp (DagInit* d, GlobalOptionDescription& o) {
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checkNumberOfArguments(d, 1);
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const std::string& help_message = InitPtrToString(d->getArg(0));
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o.Help = help_message;
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}
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void onRequired (DagInit* d, GlobalOptionDescription& o) {
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checkNumberOfArguments(d, 0);
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o.setRequired();
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}
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void onStopCompilation (DagInit* d, GlobalOptionDescription& o) {
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checkNumberOfArguments(d, 0);
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if (o.Type != OptionType::Switch)
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throw std::string("Only options of type Switch can stop compilation!");
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toolProps_.OptDescs[o.Name].setStopCompilation();
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}
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void onUnpackValues (DagInit* d, GlobalOptionDescription& o) {
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checkNumberOfArguments(d, 0);
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toolProps_.OptDescs[o.Name].setUnpackValues();
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}
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/// Helper functions
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// Add an option of type t
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void addOption (DagInit* d, OptionType::OptionType t) {
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checkNumberOfArguments(d, 2);
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const std::string& name = InitPtrToString(d->getArg(0));
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GlobalOptionDescription o(t, name);
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toolProps_.OptDescs[name].Type = t;
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toolProps_.OptDescs[name].Name = name;
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processOptionProperties(d, o);
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insertDescription(o);
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}
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// Ensure that the number of args in d is <= min_arguments,
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// throw exception otherwise
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void checkNumberOfArguments (DagInit* d, unsigned min_arguments) {
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if (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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// Insert new GlobalOptionDescription into GlobalOptionDescriptions list
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void insertDescription (const GlobalOptionDescription& o)
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{
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if (optDescs_.Descriptions.count(o.Name)) {
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GlobalOptionDescription& D = optDescs_.Descriptions[o.Name];
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D.Merge(o);
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}
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else {
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optDescs_.Descriptions[o.Name] = o;
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}
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}
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// Go through the list of option properties and call a corresponding
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// handler for each.
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//
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// Parameters:
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// name - option name
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// d - option property list
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void processOptionProperties (DagInit* d, GlobalOptionDescription& o) {
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// First argument is option name
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checkNumberOfArguments(d, 2);
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for (unsigned B = 1, E = d->getNumArgs(); B!=E; ++B) {
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DagInit& option_property
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= dynamic_cast<DagInit&>(*d->getArg(B));
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const std::string& option_property_name
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= option_property.getOperator()->getAsString();
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OptionPropertyHandlerMap::iterator method
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= optionPropertyHandlers_.find(option_property_name);
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if (method != optionPropertyHandlers_.end()) {
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OptionPropertyHandler h = method->second;
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(this->*h)(&option_property, o);
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}
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else {
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throw "Unknown option property: " + option_property_name + "!";
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}
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}
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}
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};
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// Static members of CollectProperties
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CollectProperties::PropertyHandlerMap
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CollectProperties::propertyHandlers_;
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CollectProperties::OptionPropertyHandlerMap
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CollectProperties::optionPropertyHandlers_;
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bool CollectProperties::staticMembersInitialized_ = false;
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// Gather information from the parsed TableGen data
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// (Basically a wrapper for CollectProperties)
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void CollectToolProperties (RecordVector::const_iterator B,
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RecordVector::const_iterator E,
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ToolPropertiesList& TPList,
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GlobalOptionDescriptions& OptDescs)
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{
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// Iterate over a properties list of every Tool definition
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for (;B!=E;++B) {
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RecordVector::value_type T = *B;
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ListInit* PropList = T->getValueAsListInit("properties");
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if (!PropList)
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throw std::string("Tool has no property list!");
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|
|
|
IntrusiveRefCntPtr<ToolProperties>
|
|
ToolProps(new ToolProperties(T->getName()));
|
|
|
|
std::for_each(PropList->begin(), PropList->end(),
|
|
CollectProperties(*ToolProps, OptDescs));
|
|
TPList.push_back(ToolProps);
|
|
}
|
|
}
|
|
|
|
// Used by EmitGenerateActionMethod
|
|
void EmitOptionPropertyHandlingCode (const ToolProperties& P,
|
|
const ToolOptionDescription& D,
|
|
std::ostream& O)
|
|
{
|
|
// if clause
|
|
O << Indent2 << "if (";
|
|
if (D.Type == OptionType::Switch)
|
|
O << D.GenVariableName();
|
|
else
|
|
O << '!' << D.GenVariableName() << ".empty()";
|
|
|
|
O <<") {\n";
|
|
|
|
// Handle option properties that take an argument
|
|
for (OptionPropertyList::const_iterator B = D.Props.begin(),
|
|
E = D.Props.end(); B!=E; ++B) {
|
|
const OptionProperty& val = *B;
|
|
|
|
switch (val.first) {
|
|
// (append_cmd cmd) property
|
|
case OptionPropertyType::AppendCmd:
|
|
O << Indent3 << "vec.push_back(\"" << val.second << "\");\n";
|
|
break;
|
|
// Other properties with argument
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Handle flags
|
|
|
|
// (forward) property
|
|
if (D.isForward()) {
|
|
switch (D.Type) {
|
|
case OptionType::Switch:
|
|
O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
|
|
break;
|
|
case OptionType::Parameter:
|
|
O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
|
|
O << Indent3 << "vec.push_back(" << D.GenVariableName() << ");\n";
|
|
break;
|
|
case OptionType::Prefix:
|
|
O << Indent3 << "vec.push_back(\"-" << D.Name << "\" + "
|
|
<< D.GenVariableName() << ");\n";
|
|
break;
|
|
case OptionType::PrefixList:
|
|
O << Indent3 << "for (" << D.GenTypeDeclaration()
|
|
<< "::iterator B = " << D.GenVariableName() << ".begin(),\n"
|
|
<< Indent3 << "E = " << D.GenVariableName() << ".end(); B != E; ++B)\n"
|
|
<< Indent4 << "vec.push_back(\"-" << D.Name << "\" + "
|
|
<< "*B);\n";
|
|
break;
|
|
case OptionType::ParameterList:
|
|
O << Indent3 << "for (" << D.GenTypeDeclaration()
|
|
<< "::iterator B = " << D.GenVariableName() << ".begin(),\n"
|
|
<< Indent3 << "E = " << D.GenVariableName()
|
|
<< ".end() ; B != E; ++B) {\n"
|
|
<< Indent4 << "vec.push_back(\"-" << D.Name << "\");\n"
|
|
<< Indent4 << "vec.push_back(*B);\n"
|
|
<< Indent3 << "}\n";
|
|
break;
|
|
}
|
|
}
|
|
|
|
// (unpack_values) property
|
|
if (D.isUnpackValues()) {
|
|
if (IsListOptionType(D.Type)) {
|
|
O << Indent3 << "for (" << D.GenTypeDeclaration()
|
|
<< "::iterator B = " << D.GenVariableName() << ".begin(),\n"
|
|
<< Indent3 << "E = " << D.GenVariableName()
|
|
<< ".end(); B != E; ++B)\n"
|
|
<< Indent4 << "UnpackValues(*B, vec);\n";
|
|
}
|
|
else if (D.Type == OptionType::Prefix || D.Type == OptionType::Parameter){
|
|
O << Indent3 << "UnpackValues("
|
|
<< D.GenVariableName() << ", vec);\n";
|
|
}
|
|
else {
|
|
// TOFIX: move this to the type-checking phase
|
|
throw std::string("Switches can't have unpack_values property!");
|
|
}
|
|
}
|
|
|
|
// close if clause
|
|
O << Indent2 << "}\n";
|
|
}
|
|
|
|
// Emite one of two versions of GenerateAction method
|
|
void EmitGenerateActionMethod (const ToolProperties& P, int V, std::ostream& O)
|
|
{
|
|
assert(V==1 || V==2);
|
|
if (V==1)
|
|
O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n";
|
|
else
|
|
O << Indent1 << "Action GenerateAction(const sys::Path& inFile,\n";
|
|
|
|
O << Indent2 << "const sys::Path& outFile) const\n"
|
|
<< Indent1 << "{\n"
|
|
<< Indent2 << "std::vector<std::string> vec;\n";
|
|
|
|
// Parse CmdLine tool property
|
|
StrVector::const_iterator I = P.CmdLine.begin();
|
|
++I;
|
|
for (StrVector::const_iterator E = P.CmdLine.end(); I != E; ++I) {
|
|
const std::string& cmd = *I;
|
|
O << Indent2;
|
|
if (cmd == "$INFILE") {
|
|
if (V==1)
|
|
O << "for (PathVector::const_iterator B = inFiles.begin()"
|
|
<< ", E = inFiles.end();\n"
|
|
<< Indent2 << "B != E; ++B)\n"
|
|
<< Indent3 << "vec.push_back(B->toString());\n";
|
|
else
|
|
O << "vec.push_back(inFile.toString());\n";
|
|
}
|
|
else if (cmd == "$OUTFILE") {
|
|
O << "vec.push_back(outFile.toString());\n";
|
|
}
|
|
else {
|
|
O << "vec.push_back(\"" << cmd << "\");\n";
|
|
}
|
|
}
|
|
|
|
// For every understood option, emit handling code
|
|
for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(),
|
|
E = P.OptDescs.end(); B != E; ++B) {
|
|
const ToolOptionDescription& val = B->second;
|
|
EmitOptionPropertyHandlingCode(P, val, O);
|
|
}
|
|
|
|
// Handle Sink property
|
|
if (P.isSink()) {
|
|
O << Indent2 << "if (!" << SinkOptionName << ".empty()) {\n"
|
|
<< Indent3 << "vec.insert(vec.end(), "
|
|
<< SinkOptionName << ".begin(), " << SinkOptionName << ".end());\n"
|
|
<< Indent2 << "}\n";
|
|
}
|
|
|
|
O << Indent2 << "return Action(\"" << P.CmdLine.at(0) << "\", vec);\n"
|
|
<< Indent1 << "}\n\n";
|
|
}
|
|
|
|
// Emit GenerateAction methods for Tool classes
|
|
void EmitGenerateActionMethods (const ToolProperties& P, std::ostream& O) {
|
|
|
|
if (!P.isJoin())
|
|
O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n"
|
|
<< Indent2 << "const llvm::sys::Path& outFile) const\n"
|
|
<< Indent1 << "{\n"
|
|
<< Indent2 << "throw std::runtime_error(\"" << P.Name
|
|
<< " is not a Join tool!\");\n"
|
|
<< Indent1 << "}\n\n";
|
|
else
|
|
EmitGenerateActionMethod(P, 1, O);
|
|
|
|
EmitGenerateActionMethod(P, 2, O);
|
|
}
|
|
|
|
// Emit IsLast() method for Tool classes
|
|
void EmitIsLastMethod (const ToolProperties& P, std::ostream& O) {
|
|
O << Indent1 << "bool IsLast() const {\n"
|
|
<< Indent2 << "bool last = false;\n";
|
|
|
|
for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(),
|
|
E = P.OptDescs.end(); B != E; ++B) {
|
|
const ToolOptionDescription& val = B->second;
|
|
|
|
if (val.isStopCompilation())
|
|
O << Indent2
|
|
<< "if (" << val.GenVariableName()
|
|
<< ")\n" << Indent3 << "last = true;\n";
|
|
}
|
|
|
|
O << Indent2 << "return last;\n"
|
|
<< Indent1 << "}\n\n";
|
|
}
|
|
|
|
// Emit static [Input,Output]Language() methods for Tool classes
|
|
void EmitInOutLanguageMethods (const ToolProperties& P, std::ostream& O) {
|
|
O << Indent1 << "std::string InputLanguage() const {\n"
|
|
<< Indent2 << "return \"" << P.InLanguage << "\";\n"
|
|
<< Indent1 << "}\n\n";
|
|
|
|
O << Indent1 << "std::string OutputLanguage() const {\n"
|
|
<< Indent2 << "return \"" << P.OutLanguage << "\";\n"
|
|
<< Indent1 << "}\n\n";
|
|
}
|
|
|
|
// Emit static [Input,Output]Language() methods for Tool classes
|
|
void EmitOutputSuffixMethod (const ToolProperties& P, std::ostream& O) {
|
|
O << Indent1 << "std::string OutputSuffix() const {\n"
|
|
<< Indent2 << "return \"" << P.OutputSuffix << "\";\n"
|
|
<< Indent1 << "}\n\n";
|
|
}
|
|
|
|
// Emit static Name() method for Tool classes
|
|
void EmitNameMethod (const ToolProperties& P, std::ostream& O) {
|
|
O << Indent1 << "std::string Name() const {\n"
|
|
<< Indent2 << "return \"" << P.Name << "\";\n"
|
|
<< Indent1 << "}\n\n";
|
|
}
|
|
|
|
// Emit static Name() method for Tool classes
|
|
void EmitIsJoinMethod (const ToolProperties& P, std::ostream& O) {
|
|
O << Indent1 << "bool IsJoin() const {\n";
|
|
if (P.isJoin())
|
|
O << Indent2 << "return true;\n";
|
|
else
|
|
O << Indent2 << "return false;\n";
|
|
O << Indent1 << "}\n\n";
|
|
}
|
|
|
|
// Emit a Tool class definition
|
|
void EmitToolClassDefinition (const ToolProperties& P, std::ostream& O) {
|
|
// Header
|
|
O << "class " << P.Name << " : public Tool {\n"
|
|
<< "public:\n";
|
|
|
|
EmitNameMethod(P, O);
|
|
EmitInOutLanguageMethods(P, O);
|
|
EmitOutputSuffixMethod(P, O);
|
|
EmitIsJoinMethod(P, O);
|
|
EmitGenerateActionMethods(P, O);
|
|
EmitIsLastMethod(P, O);
|
|
|
|
// Close class definition
|
|
O << "};\n\n";
|
|
}
|
|
|
|
// Iterate over a list of option descriptions and emit registration code
|
|
void EmitOptionDescriptions (const GlobalOptionDescriptions& descs,
|
|
std::ostream& O)
|
|
{
|
|
// Emit static cl::Option variables
|
|
for (GlobalOptionDescriptions::const_iterator B = descs.begin(),
|
|
E = descs.end(); B!=E; ++B) {
|
|
const GlobalOptionDescription& val = B->second;
|
|
|
|
O << val.GenTypeDeclaration() << ' '
|
|
<< val.GenVariableName()
|
|
<< "(\"" << 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";
|
|
}
|
|
}
|
|
|
|
O << ", cl::desc(\"" << val.Help << "\"));\n";
|
|
}
|
|
|
|
if (descs.HasSink)
|
|
O << "cl::list<std::string> " << SinkOptionName << "(cl::Sink);\n";
|
|
|
|
O << '\n';
|
|
}
|
|
|
|
void EmitPopulateLanguageMap (const RecordKeeper& Records, std::ostream& O)
|
|
{
|
|
// Get the relevant field out of RecordKeeper
|
|
Record* LangMapRecord = Records.getDef("LanguageMap");
|
|
if (!LangMapRecord)
|
|
throw std::string("Language map definition not found!");
|
|
|
|
ListInit* LangsToSuffixesList = LangMapRecord->getValueAsListInit("map");
|
|
if (!LangsToSuffixesList)
|
|
throw std::string("Error in the language map definition!");
|
|
|
|
// Generate code
|
|
O << "void llvmcc::PopulateLanguageMap(LanguageMap& language_map) {\n";
|
|
|
|
for (unsigned i = 0; i < LangsToSuffixesList->size(); ++i) {
|
|
Record* LangToSuffixes = LangsToSuffixesList->getElementAsRecord(i);
|
|
|
|
const std::string& Lang = LangToSuffixes->getValueAsString("lang");
|
|
const ListInit* Suffixes = LangToSuffixes->getValueAsListInit("suffixes");
|
|
|
|
for (unsigned i = 0; i < Suffixes->size(); ++i)
|
|
O << Indent1 << "language_map[\""
|
|
<< InitPtrToString(Suffixes->getElement(i))
|
|
<< "\"] = \"" << Lang << "\";\n";
|
|
}
|
|
|
|
O << "}\n\n";
|
|
}
|
|
|
|
void EmitPopulateCompilationGraph (const RecordKeeper& Records,
|
|
StringMap<std::string>& ToolToLang,
|
|
std::ostream& O)
|
|
{
|
|
// Get the relevant field out of RecordKeeper
|
|
Record* ToolChains = Records.getDef("ToolChains");
|
|
if (!ToolChains)
|
|
throw std::string("No ToolChains specification found!");
|
|
ListInit* chains = ToolChains->getValueAsListInit("chains");
|
|
if (!chains)
|
|
throw std::string("Error in toolchain list definition!");
|
|
|
|
// Generate code
|
|
O << "void llvmcc::PopulateCompilationGraph(CompilationGraph& G) {\n"
|
|
<< Indent1 << "PopulateLanguageMap(G.ExtsToLangs);\n"
|
|
<< Indent1 << "std::vector<IntrusiveRefCntPtr<Tool> > vec;\n\n";
|
|
|
|
for (unsigned i = 0; i < chains->size(); ++i) {
|
|
Record* ToolChain = chains->getElementAsRecord(i);
|
|
ListInit* Tools = ToolChain->getValueAsListInit("tools");
|
|
|
|
// Get name of the first tool in the list
|
|
const std::string& firstTool =
|
|
dynamic_cast<DefInit&>(**Tools->begin()).getDef()->getName();
|
|
|
|
for (ListInit::iterator B = Tools->begin(),
|
|
E = Tools->end(); B != E; ++B) {
|
|
Record* val = dynamic_cast<DefInit&>(**B).getDef();
|
|
O << Indent1 << "vec.push_back(IntrusiveRefCntPtr<Tool>(new "
|
|
<< val->getName() << "()));\n";
|
|
}
|
|
O << Indent1 << "G.ToolChains[\"" << ToolToLang[firstTool]
|
|
<< "\"] = vec;\n";
|
|
O << Indent1 << "vec.clear();\n\n";
|
|
}
|
|
|
|
O << "}\n\n";
|
|
}
|
|
|
|
void FillInToolToLang (const ToolPropertiesList& T,
|
|
StringMap<std::string>& M) {
|
|
for (ToolPropertiesList::const_iterator B = T.begin(), E = T.end();
|
|
B != E; ++B) {
|
|
const ToolProperties& P = *(*B);
|
|
M[P.Name] = P.InLanguage;
|
|
}
|
|
}
|
|
|
|
// End of anonymous namespace
|
|
}
|
|
|
|
// Back-end entry point
|
|
void LLVMCCConfigurationEmitter::run (std::ostream &O) {
|
|
// Emit file header
|
|
EmitSourceFileHeader("LLVMCC Configuration Library", O);
|
|
|
|
// Get a list of all defined Tools
|
|
RecordVector Tools = Records.getAllDerivedDefinitions("Tool");
|
|
if (Tools.empty())
|
|
throw std::string("No tool definitions found!");
|
|
|
|
// Gather information from the Tool descriptions
|
|
ToolPropertiesList tool_props;
|
|
GlobalOptionDescriptions opt_descs;
|
|
CollectToolProperties(Tools.begin(), Tools.end(), tool_props, opt_descs);
|
|
|
|
// Emit global option registration code
|
|
EmitOptionDescriptions(opt_descs, O);
|
|
|
|
// Emit PopulateLanguageMap function
|
|
// (a language map maps from file extensions to language names)
|
|
EmitPopulateLanguageMap(Records, O);
|
|
|
|
// Emit Tool classes
|
|
for (ToolPropertiesList::const_iterator B = tool_props.begin(),
|
|
E = tool_props.end(); B!=E; ++B)
|
|
EmitToolClassDefinition(*(*B), O);
|
|
|
|
// Fill in table that maps tool names to languages
|
|
StringMap<std::string> ToolToLang;
|
|
FillInToolToLang(tool_props, ToolToLang);
|
|
|
|
// Emit PopulateCompilationGraph function
|
|
EmitPopulateCompilationGraph(Records, ToolToLang, O);
|
|
|
|
// EOF
|
|
}
|