1/*
2 * Copyright 2014, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef _FRAMEWORKS_COMPILE_SLANG_RS_CC_OPTIONS_H_  // NOLINT
18#define _FRAMEWORKS_COMPILE_SLANG_RS_CC_OPTIONS_H_
19
20#include "llvm/Option/ArgList.h"
21#include "llvm/Option/Option.h"
22#include "llvm/Option/OptTable.h"
23
24#include "slang.h"
25#include "slang_rs_reflect_utils.h"
26
27#include <string>
28#include <vector>
29
30namespace llvm {
31namespace cl {
32class StringSaver;
33}
34namespace opt {
35class OptTable;
36}
37}
38
39namespace slang {
40
41// Options for the RenderScript compiler llvm-rs-cc
42class RSCCOptions {
43 public:
44  // User-defined include paths.
45  std::vector<std::string> mIncludePaths;
46
47  // The output directory for writing the bitcode files
48  // (i.e. out/target/common/obj/APPS/.../src/renderscript/res/raw).
49  std::string mBitcodeOutputDir;
50
51  // Type of file to emit (bitcode, dependency, ...).
52  slang::Slang::OutputType mOutputType;
53
54  // Allow user-defined functions prefixed with 'rs'.
55  bool mAllowRSPrefix;
56
57  // 32-bit or 64-bit target
58  uint32_t mBitWidth;
59
60  // The path for storing reflected Java source files
61  // (i.e. out/target/common/obj/APPS/.../src/renderscript/src).
62  std::string mJavaReflectionPathBase;
63
64  // Force package name. This may override the package name specified by a
65  // #pragma in the .rs file.
66  std::string mJavaReflectionPackageName;
67
68  // Force the RS package name to use. This can override the default value of
69  // "android.renderscript" used for the standard RS APIs.
70  std::string mRSPackageName;
71
72  // Where to store the generated bitcode (resource, Java source, C++ source).
73  slang::BitCodeStorageType mBitcodeStorage;
74
75  // Emit output dependency file for each input file.
76  bool mEmitDependency;
77
78  // Emit phony targets for each header dependency, which can avoid make errors
79  // when the header gets deleted. See -MP option of cc.
80  bool mEmitPhonyDependency;
81
82  // The output directory for writing dependency files
83  // (i.e. out/target/common/obj/APPS/.../src/renderscript).
84  std::string mDependencyOutputDir;
85
86  // User-defined files added to the dependencies (i.e. for adding fake
87  // dependency files like RenderScript.stamp).
88  std::vector<std::string> mAdditionalDepTargets;
89
90  bool mShowHelp;     // Show the -help text.
91  bool mShowVersion;  // Show the -version text.
92
93  // The target API we are generating code for (see slang_version.h).
94  unsigned int mTargetAPI;
95
96  // Enable emission of debugging symbols.
97  bool mDebugEmission;
98
99  // The optimization level used in CodeGen, and encoded in emitted bitcode.
100  llvm::CodeGenOpt::Level mOptimizationLevel;
101
102  // Display verbose information about the compilation on stdout.
103  bool mVerbose;
104
105  // Display AST.
106  bool mASTPrint;
107
108  // Emit both 32-bit and 64-bit bitcode (embedded in the reflected sources).
109  bool mEmit3264;
110
111  RSCCOptions() {
112    mOutputType = slang::Slang::OT_Bitcode;
113    mBitWidth = 32;
114    mBitcodeStorage = slang::BCST_APK_RESOURCE;
115    mEmitDependency = 0;
116    mEmitPhonyDependency = 0;
117    mShowHelp = 0;
118    mShowVersion = 0;
119    mTargetAPI = RS_VERSION;
120    mDebugEmission = 0;
121    mOptimizationLevel = llvm::CodeGenOpt::Aggressive;
122    mVerbose = false;
123    mASTPrint = false;
124    mEmit3264 = true;
125  }
126};
127
128/* Return a valid OptTable (useful for dumping help information)
129 */
130llvm::opt::OptTable *createRSCCOptTable();
131
132/* Parse ArgVector and return a list of Inputs (source files) and Opts
133 * (options affecting the compilation of those source files).
134 *
135 * \param ArgVector - the input arguments to llvm-rs-cc
136 * \param Inputs - returned list of actual input source filenames
137 * \param Opts - returned options after command line has been processed
138 * \param DiagEngine - input for issuing warnings/errors on arguments
139 */
140
141bool ParseArguments(const llvm::ArrayRef<const char *> &ArgsIn,
142                    llvm::SmallVectorImpl<const char *> &Inputs,
143                    RSCCOptions &Opts, clang::DiagnosticOptions &DiagOpts,
144                    llvm::StringSaver &StringSaver);
145
146} // namespace slang
147
148#endif  // _FRAMEWORKS_COMPILE_SLANG_RS_CC_OPTIONS_H_
149