1 /*
2 * Copyright 2012, 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 #include <sys/stat.h>
18 #include <stdio.h>
19 #include <stdlib.h>
20
21 #include <cstdarg>
22 #include <cctype>
23
24 #include <algorithm>
25 #include <sstream>
26 #include <string>
27 #include <utility>
28
29 #include "os_sep.h"
30 #include "slang_rs_context.h"
31 #include "slang_rs_export_var.h"
32 #include "slang_rs_export_foreach.h"
33 #include "slang_rs_export_func.h"
34 #include "slang_rs_reflect_utils.h"
35 #include "slang_version.h"
36 #include "slang_utils.h"
37
38 #include "slang_rs_reflection_cpp.h"
39
40 using namespace std;
41
42 namespace slang {
43
RSReflectionCpp(const RSContext * con)44 RSReflectionCpp::RSReflectionCpp(const RSContext *con) :
45 RSReflectionBase(con) {
46
47 }
48
~RSReflectionCpp()49 RSReflectionCpp::~RSReflectionCpp() {
50
51 }
52
reflect(const string & OutputPathBase,const string & InputFileName,const string & OutputBCFileName)53 bool RSReflectionCpp::reflect(const string &OutputPathBase,
54 const string &InputFileName,
55 const string &OutputBCFileName) {
56 mInputFileName = InputFileName;
57 mOutputPath = OutputPathBase;
58 mOutputBCFileName = OutputBCFileName;
59 mClassName = string("ScriptC_") + stripRS(InputFileName);
60
61 makeHeader("android::renderscriptCpp::ScriptC");
62 std::vector< std::string > header(mText);
63 mText.clear();
64
65 makeImpl("android::renderscriptCpp::ScriptC");
66 std::vector< std::string > cpp(mText);
67 mText.clear();
68
69
70 RSReflectionBase::writeFile(mClassName + ".h", header);
71 RSReflectionBase::writeFile(mClassName + ".cpp", cpp);
72
73
74 return false;
75 }
76
77 typedef std::vector<std::pair<std::string, std::string> > ArgTy;
78
79
80 #define RS_TYPE_CLASS_NAME_PREFIX "ScriptField_"
81
82
83
makeHeader(const std::string & baseClass)84 bool RSReflectionCpp::makeHeader(const std::string &baseClass) {
85 startFile(mClassName + ".h");
86
87 write("");
88 write("#include \"ScriptC.h\"");
89 write("");
90
91 // Imports
92 //for(unsigned i = 0; i < (sizeof(Import) / sizeof(const char*)); i++)
93 //out() << "import " << Import[i] << ";" << std::endl;
94 //out() << std::endl;
95
96 if(!baseClass.empty()) {
97 write("class " + mClassName + " : public " + baseClass + " {");
98 } else {
99 write("class " + mClassName + " {");
100 }
101
102 write("private:");
103 uint32_t slot = 0;
104 incIndent();
105 for (RSContext::const_export_var_iterator I = mRSContext->export_vars_begin(),
106 E = mRSContext->export_vars_end(); I != E; I++, slot++) {
107
108 const RSExportVar *ev = *I;
109 RSReflectionTypeData rtd;
110 ev->getType()->convertToRTD(&rtd);
111 if(!ev->isConst()) {
112 write(string(rtd.type->c_name) + " __" + ev->getName() + ";");
113 }
114 }
115 decIndent();
116
117 write("public:");
118 incIndent();
119 write(mClassName + "(android::renderscriptCpp::RenderScript *rs," +
120 " const char *cacheDir, size_t cacheDirLength);");
121 write("virtual ~" + mClassName + "();");
122 write("");
123
124
125 // Reflect export variable
126 slot = 0;
127 for (RSContext::const_export_var_iterator I = mRSContext->export_vars_begin(),
128 E = mRSContext->export_vars_end(); I != E; I++, slot++) {
129
130 const RSExportVar *ev = *I;
131 RSReflectionTypeData rtd;
132 ev->getType()->convertToRTD(&rtd);
133
134 if(!ev->isConst()) {
135 write(string("void set_") + ev->getName() + "(" + rtd.type->c_name + " v) {");
136 stringstream tmp;
137 tmp << slot;
138 write(string(" setVar(") + tmp.str() + ", v);");
139 write(string(" __") + ev->getName() + " = v;");
140 write("}");
141 }
142 write(string(rtd.type->c_name) + " get_" + ev->getName() + "() const {");
143 if(ev->isConst()) {
144 const clang::APValue &val = ev->getInit();
145 bool isBool = !strcmp(rtd.type->c_name, "bool");
146 write(string(" return ") + genInitValue(val, isBool) + ";");
147 } else {
148 write(string(" return __") + ev->getName() + ";");
149 }
150 write("}");
151 write("");
152 }
153
154 // Reflect export for each functions
155 for (RSContext::const_export_foreach_iterator I = mRSContext->export_foreach_begin(),
156 E = mRSContext->export_foreach_end(); I != E; I++) {
157
158 const RSExportForEach *ef = *I;
159 if (ef->isDummyRoot()) {
160 write("// No forEach_root(...)");
161 continue;
162 }
163
164 stringstream tmp;
165 tmp << "void forEach_" << ef->getName() << "(";
166 if(ef->hasIn() && ef->hasOut()) {
167 tmp << "android::sp<const android::renderscriptCpp::Allocation> ain";
168 tmp << ", android::sp<const android::renderscriptCpp::Allocation> aout";
169 } else if(ef->hasIn()) {
170 tmp << "android::sp<const android::renderscriptCpp::Allocation> ain";
171 } else {
172 tmp << "android::sp<const android::renderscriptCpp::Allocation> aout";
173 }
174
175 if(ef->getParamPacketType()) {
176 for(RSExportForEach::const_param_iterator i = ef->params_begin(),
177 e = ef->params_end(); i != e; i++) {
178
179 RSReflectionTypeData rtd;
180 (*i)->getType()->convertToRTD(&rtd);
181 tmp << rtd.type->c_name << " " << (*i)->getName();
182 }
183 }
184 tmp << ") const;";
185 write(tmp);
186 }
187
188
189 // Reflect export function
190 for (RSContext::const_export_func_iterator I = mRSContext->export_funcs_begin(),
191 E = mRSContext->export_funcs_end(); I != E; I++) {
192
193 //genExportFunction(C, *I);
194 }
195
196 decIndent();
197 write("};");
198 return true;
199 }
200
writeBC()201 bool RSReflectionCpp::writeBC() {
202 FILE *pfin = fopen(mOutputBCFileName.c_str(), "rb");
203 if (pfin == NULL) {
204 fprintf(stderr, "Error: could not read file %s\n", mOutputBCFileName.c_str());
205 return false;
206 }
207
208 unsigned char buf[16];
209 int read_length;
210 write("static const unsigned char __txt[] = {");
211 incIndent();
212 while ((read_length = fread(buf, 1, sizeof(buf), pfin)) > 0) {
213 string s;
214 for(int i = 0; i < read_length; i++) {
215 char buf2[16];
216 sprintf(buf2, "0x%02x,", buf[i]);
217 s += buf2;
218 }
219 write(s);
220 }
221 decIndent();
222 write("};");
223 write("");
224 return true;
225 }
226
makeImpl(const std::string & baseClass)227 bool RSReflectionCpp::makeImpl(const std::string &baseClass) {
228 startFile(mClassName + ".h");
229
230 write("");
231 write("#include \"" + mClassName + ".h\"");
232 write("");
233
234 writeBC();
235
236 // Imports
237 //for(unsigned i = 0; i < (sizeof(Import) / sizeof(const char*)); i++)
238 //out() << "import " << Import[i] << ";" << std::endl;
239 //out() << std::endl;
240
241 write(mClassName + "::" + mClassName +
242 "(android::renderscriptCpp::RenderScript *rs, const char *cacheDir, size_t cacheDirLength) :");
243 write(" ScriptC(rs, __txt, sizeof(__txt), \"" + mInputFileName +
244 "\", 4, cacheDir, cacheDirLength) {");
245 incIndent();
246 //...
247 decIndent();
248 write("}");
249 write("");
250
251 write(mClassName + "::~" + mClassName + "() {");
252 write("}");
253 write("");
254
255 // Reflect export for each functions
256 uint32_t slot = 0;
257 for (RSContext::const_export_foreach_iterator I = mRSContext->export_foreach_begin(),
258 E = mRSContext->export_foreach_end(); I != E; I++, slot++) {
259
260 const RSExportForEach *ef = *I;
261 if (ef->isDummyRoot()) {
262 write("// No forEach_root(...)");
263 continue;
264 }
265
266 stringstream tmp;
267 tmp << "void " << mClassName << "::forEach_" << ef->getName() << "(";
268 if(ef->hasIn() && ef->hasOut()) {
269 tmp << "android::sp<const android::renderscriptCpp::Allocation> ain";
270 tmp << ", android::sp<const android::renderscriptCpp::Allocation> aout";
271 } else if(ef->hasIn()) {
272 tmp << "android::sp<const android::renderscriptCpp::Allocation> ain";
273 } else {
274 tmp << "android::sp<const android::renderscriptCpp::Allocation> aout";
275 }
276 tmp << ") const {";
277 write(tmp);
278 tmp.str("");
279
280 tmp << " forEach(" << slot << ", ";
281 if(ef->hasIn() && ef->hasOut()) {
282 tmp << "ain, aout, NULL, 0);";
283 } else if(ef->hasIn()) {
284 tmp << "ain, NULL, 0);";
285 } else {
286 tmp << "aout, NULL, 0);";
287 }
288 write(tmp);
289
290 write("}");
291 write("");
292 }
293
294
295 // Reflect export function
296 slot = 0;
297 for (RSContext::const_export_func_iterator I = mRSContext->export_funcs_begin(),
298 E = mRSContext->export_funcs_end(); I != E; I++) {
299
300 //genExportFunction(C, *I);
301 }
302
303 decIndent();
304 return true;
305 }
306
307
308
309 }
310