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 opt {
32class OptTable;
33}
34}
35
36namespace slang {
37
38// Options for the RenderScript compiler llvm-rs-cc
39class RSCCOptions {
40 public:
41  // User-defined include paths.
42  std::vector<std::string> mIncludePaths;
43
44  // The output directory for writing the bitcode files
45  // (i.e. out/target/common/obj/APPS/.../src/renderscript/res/raw).
46  std::string mBitcodeOutputDir;
47
48  // Type of file to emit (bitcode, dependency, ...).
49  slang::Slang::OutputType mOutputType;
50
51  // Allow user-defined functions prefixed with 'rs'.
52  bool mAllowRSPrefix;
53
54  // 32-bit or 64-bit target
55  uint32_t mBitWidth;
56
57  // The path for storing reflected Java source files
58  // (i.e. out/target/common/obj/APPS/.../src/renderscript/src).
59  std::string mJavaReflectionPathBase;
60
61  // Force package name. This may override the package name specified by a
62  // #pragma in the .rs file.
63  std::string mJavaReflectionPackageName;
64
65  // Force the RS package name to use. This can override the default value of
66  // "android.renderscript" used for the standard RS APIs.
67  std::string mRSPackageName;
68
69  // Where to store the generated bitcode (resource, Java source, C++ source).
70  slang::BitCodeStorageType mBitcodeStorage;
71
72  // Emit output dependency file for each input file.
73  bool mEmitDependency;
74
75  // The output directory for writing dependency files
76  // (i.e. out/target/common/obj/APPS/.../src/renderscript).
77  std::string mDependencyOutputDir;
78
79  // User-defined files added to the dependencies (i.e. for adding fake
80  // dependency files like RenderScript.stamp).
81  std::vector<std::string> mAdditionalDepTargets;
82
83  bool mShowHelp;     // Show the -help text.
84  bool mShowVersion;  // Show the -version text.
85
86  // The target API we are generating code for (see slang_version.h).
87  unsigned int mTargetAPI;
88
89  // Enable emission of debugging symbols.
90  bool mDebugEmission;
91
92  // The optimization level used in CodeGen, and encoded in emitted bitcode.
93  llvm::CodeGenOpt::Level mOptimizationLevel;
94
95  // Display verbose information about the compilation on stdout.
96  bool mVerbose;
97
98  // Emit both 32-bit and 64-bit bitcode (embedded in the reflected sources).
99  bool mEmit3264;
100
101  RSCCOptions() {
102    mOutputType = slang::Slang::OT_Bitcode;
103    mBitWidth = 32;
104    mBitcodeStorage = slang::BCST_APK_RESOURCE;
105    mEmitDependency = 0;
106    mShowHelp = 0;
107    mShowVersion = 0;
108    mTargetAPI = RS_VERSION;
109    mDebugEmission = 0;
110    mOptimizationLevel = llvm::CodeGenOpt::Aggressive;
111    mVerbose = false;
112    mEmit3264 = false;
113  }
114};
115
116/* Return a valid OptTable (useful for dumping help information)
117 */
118llvm::opt::OptTable *createRSCCOptTable();
119
120/* Parse ArgVector and return a list of Inputs (source files) and Opts
121 * (options affecting the compilation of those source files).
122 *
123 * \param ArgVector - the input arguments to llvm-rs-cc
124 * \param Inputs - returned list of actual input source filenames
125 * \param Opts - returned options after command line has been processed
126 * \param DiagEngine - input for issuing warnings/errors on arguments
127 */
128void ParseArguments(llvm::SmallVectorImpl<const char *> &ArgVector,
129                    llvm::SmallVectorImpl<const char *> &Inputs,
130                    RSCCOptions &Opts, clang::DiagnosticsEngine &DiagEngine);
131
132}  // namespace slang
133
134#endif  // _FRAMEWORKS_COMPILE_SLANG_RS_CC_OPTIONS_H_
135