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100644 511 lines (457 sloc) 15.682 kB
cfd7b4d added licensing information on the new files
Laurent Sansonetti authored
1 /*
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2 * MacRuby Compiler.
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3 *
4 * This file is covered by the Ruby license. See COPYING for more details.
5 *
4aca101 @drernie Added 2010 Copyrights
drernie authored
6 * Copyright (C) 2008-2010, Apple Inc. All rights reserved.
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7 */
8
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9 #ifndef __COMPILER_H_
10 #define __COMPILER_H_
11
12 // For the dispatcher.
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13 #define DISPATCH_VCALL 0x1 // no receiver, no argument
14 #define DISPATCH_FCALL 0x2 // no receiver, one or more arguments
15 #define DISPATCH_SUPER 0x4 // super call
16 #define DISPATCH_SPLAT 0x8 // has splat
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17 #define SPLAT_ARG_FOLLOWS 0xdeadbeef
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18
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19 // For const lookup.
20 #define CONST_LOOKUP_LEXICAL 1
21 #define CONST_LOOKUP_DYNAMIC_CLASS 2
22
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23 // For defined?
24 #define DEFINED_IVAR 1
25 #define DEFINED_GVAR 2
26 #define DEFINED_CVAR 3
27 #define DEFINED_CONST 4
28 #define DEFINED_LCONST 5
29 #define DEFINED_SUPER 6
30 #define DEFINED_METHOD 7
31
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32 #if defined(__cplusplus)
33
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34 #if !defined(MACRUBY_STATIC)
35
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36 class RoxorInterpreter;
37
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38 class RoxorCompiler {
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39 friend class RoxorInterpreter;
40
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41 public:
42 static llvm::Module *module;
43 static RoxorCompiler *shared;
44
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45 RoxorCompiler(bool debug_mode);
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46 virtual ~RoxorCompiler(void) { }
47
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48 void set_fname(const char *_fname);
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49
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50 Value *compile_node(NODE *node);
51
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52 virtual Function *compile_main_function(NODE *node,
53 bool *can_be_interpreted);
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54 Function *compile_read_attr(ID name);
55 Function *compile_write_attr(ID name);
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56 Function *compile_stub(const char *types, bool variadic, int min_argc,
57 bool is_objc);
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58 Function *compile_long_arity_stub(int argc, bool is_block);
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59 Function *compile_bs_struct_new(rb_vm_bs_boxed_t *bs_boxed);
60 Function *compile_bs_struct_writer(rb_vm_bs_boxed_t *bs_boxed,
61 int field);
62 Function *compile_ffi_function(void *stub, void *imp, int argc);
63 Function *compile_to_rval_convertor(const char *type);
64 Function *compile_to_ocval_convertor(const char *type);
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65 Function *compile_objc_stub(Function *ruby_func, IMP ruby_imp,
66 const rb_vm_arity_t &arity, const char *types);
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67 Function *compile_block_caller(rb_vm_block_t *block);
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68 Function *compile_mri_stub(void *imp, const int arity);
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69
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70 void inline_function_calls(Function *f);
71
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72 const Type *convert_type(const char *type);
73
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74 bool is_inside_eval(void) { return inside_eval; }
75 void set_inside_eval(bool flag) { inside_eval = flag; }
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76 bool is_dynamic_class(void) { return dynamic_class; }
77 void set_dynamic_class(bool flag) { dynamic_class = flag; }
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78
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79 void generate_location_path(std::string &path, DILocation loc);
80
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81 protected:
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82 DIFactory *debug_info;
83 DICompileUnit debug_compile_unit;
84 DISubprogram debug_subprogram;
85
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86 bool debug_mode;
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87 const char *fname;
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88 bool inside_eval;
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89 bool should_interpret;
90 bool can_interpret;
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91
92 std::map<ID, Value *> lvars;
93 std::vector<ID> dvars;
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94 std::map<ID, void *> ivars_slots_cache;
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95 std::map<std::string, GlobalVariable *> static_strings;
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96 std::map<CFHashCode, GlobalVariable *> static_ustrings;
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97
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98 class MAsgnValue {
99 public:
100 CallInst *ary;
101 std::vector<CallInst *> sets;
102 };
103 std::vector<MAsgnValue> masgn_values;
104
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105 #if ROXOR_COMPILER_DEBUG
106 int level;
107 # define DEBUG_LEVEL_INC() (level++)
108 # define DEBUG_LEVEL_DEC() (level--)
109 #else
110 # define DEBUG_LEVEL_INC()
111 # define DEBUG_LEVEL_DEC()
112 #endif
113
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114 unsigned int current_line;
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115 BasicBlock *bb;
116 BasicBlock *entry_bb;
117 ID current_mid;
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118 rb_vm_arity_t current_arity;
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119 ID self_id;
120 Value *current_self;
121 bool current_block;
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122 bool current_block_chain;
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123 Value *current_var_uses;
124 Value *running_block;
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125 Value *current_block_arg;
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126 BasicBlock *begin_bb;
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127 BasicBlock *rescue_invoke_bb;
128 BasicBlock *rescue_rethrow_bb;
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129 BasicBlock *ensure_bb;
130 bool current_rescue;
131 NODE *current_block_node;
132 Function *current_block_func;
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133 Function *current_non_block_func;
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134 GlobalVariable *current_opened_class;
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135 bool dynamic_class;
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136 BasicBlock *current_loop_begin_bb;
137 BasicBlock *current_loop_body_bb;
138 BasicBlock *current_loop_end_bb;
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139 PHINode *current_loop_exit_val;
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140 int return_from_block;
141 int return_from_block_ids;
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142 PHINode *ensure_pn;
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143 bool block_declaration;
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144 AllocaInst *dispatch_argv;
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145
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146 Function *writeBarrierFunc;
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147 Function *dispatchFunc;
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148 Function *fastPlusFunc;
149 Function *fastMinusFunc;
150 Function *fastMultFunc;
151 Function *fastDivFunc;
152 Function *fastLtFunc;
153 Function *fastLeFunc;
154 Function *fastGtFunc;
155 Function *fastGeFunc;
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156 Function *fastEqFunc;
157 Function *fastNeqFunc;
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158 Function *fastEqqFunc;
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159 Function *fastArefFunc;
160 Function *fastAsetFunc;
161 Function *fastShiftFunc;
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162 Function *whenSplatFunc;
163 Function *prepareBlockFunc;
164 Function *pushBindingFunc;
165 Function *getBlockFunc;
166 Function *currentBlockObjectFunc;
167 Function *getConstFunc;
168 Function *setConstFunc;
169 Function *prepareMethodFunc;
170 Function *singletonClassFunc;
171 Function *defineClassFunc;
172 Function *prepareIvarSlotFunc;
173 Function *getIvarFunc;
174 Function *setIvarFunc;
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175 Function *willChangeValueFunc;
176 Function *didChangeValueFunc;
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177 Function *definedFunc;
178 Function *undefFunc;
179 Function *aliasFunc;
180 Function *valiasFunc;
181 Function *newHashFunc;
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182 Function *storeHashFunc;
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183 Function *toAFunc;
184 Function *toAryFunc;
185 Function *catArrayFunc;
186 Function *dupArrayFunc;
187 Function *newArrayFunc;
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188 Function *asetArrayFunc;
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189 Function *newStructFunc;
190 Function *newOpaqueFunc;
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191 Function *newPointerFunc;
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192 Function *getStructFieldsFunc;
193 Function *getOpaqueDataFunc;
194 Function *getPointerPtrFunc;
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195 Function *xmallocFunc;
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196 Function *checkArityFunc;
197 Function *setStructFunc;
198 Function *newRangeFunc;
199 Function *newRegexpFunc;
200 Function *strInternFunc;
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201 Function *selToSymFunc;
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202 Function *keepVarsFunc;
203 Function *masgnGetElemBeforeSplatFunc;
204 Function *masgnGetElemAfterSplatFunc;
205 Function *masgnGetSplatFunc;
206 Function *newStringFunc;
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207 Function *newString2Func;
208 Function *newString3Func;
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209 Function *yieldFunc;
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210 Function *getBrokenFunc;
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211 Function *blockEvalFunc;
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212 Function *gvarSetFunc;
213 Function *gvarGetFunc;
214 Function *cvarSetFunc;
215 Function *cvarGetFunc;
216 Function *currentExceptionFunc;
217 Function *popExceptionFunc;
218 Function *getSpecialFunc;
219 Function *breakFunc;
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220 Function *returnFromBlockFunc;
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221 Function *returnedFromBlockFunc;
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222 Function *checkReturnFromBlockFunc;
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223 Function *setHasEnsureFunc;
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224 Function *setScopeFunc;
225 Function *setCurrentClassFunc;
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226 Function *debugTrapFunc;
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227 Function *getFFStateFunc;
228 Function *setFFStateFunc;
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229 Function *releaseOwnershipFunc;
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230 Function *ocvalToRvalFunc;
231 Function *charToRvalFunc;
232 Function *ucharToRvalFunc;
233 Function *shortToRvalFunc;
234 Function *ushortToRvalFunc;
235 Function *intToRvalFunc;
236 Function *uintToRvalFunc;
237 Function *longToRvalFunc;
238 Function *ulongToRvalFunc;
239 Function *longLongToRvalFunc;
240 Function *ulongLongToRvalFunc;
241 Function *floatToRvalFunc;
242 Function *doubleToRvalFunc;
243 Function *selToRvalFunc;
244 Function *charPtrToRvalFunc;
245 Function *rvalToOcvalFunc;
246 Function *rvalToBoolFunc;
247 Function *rvalToCharFunc;
248 Function *rvalToUcharFunc;
249 Function *rvalToShortFunc;
250 Function *rvalToUshortFunc;
251 Function *rvalToIntFunc;
252 Function *rvalToUintFunc;
253 Function *rvalToLongFunc;
254 Function *rvalToUlongFunc;
255 Function *rvalToLongLongFunc;
256 Function *rvalToUlongLongFunc;
257 Function *rvalToFloatFunc;
258 Function *rvalToDoubleFunc;
259 Function *rvalToSelFunc;
260 Function *rvalToCharPtrFunc;
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261 Function *initBlockFunc;
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262
263 Constant *zeroVal;
264 Constant *oneVal;
265 Constant *twoVal;
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266 Constant *threeVal;
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267 Constant *nilVal;
268 Constant *trueVal;
269 Constant *falseVal;
270 Constant *undefVal;
271 Constant *splatArgFollowsVal;
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272 Constant *defaultScope;
273 Constant *publicScope;
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274
275 const Type *VoidTy;
276 const Type *Int1Ty;
277 const Type *Int8Ty;
278 const Type *Int16Ty;
279 const Type *Int32Ty;
280 const Type *Int64Ty;
281 const Type *FloatTy;
282 const Type *DoubleTy;
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283 const Type *RubyObjTy;
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284 const PointerType *RubyObjPtrTy;
285 const PointerType *RubyObjPtrPtrTy;
286 const PointerType *PtrTy;
287 const PointerType *PtrPtrTy;
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288 const Type *IntTy;
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289 const PointerType *Int32PtrTy;
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290 const Type *BitTy;
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291 const Type *BlockLiteralTy;
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292
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293 unsigned dbg_mdkind;
294
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295 void compile_node_error(const char *msg, NODE *node);
296
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297 Function *
298 get_function(const char *name) {
299 Function *f = module->getFunction(name);
300 if (f == NULL) {
301 printf("function %s cannot be found!\n", name);
302 abort();
303 }
304 return f;
305 }
306
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307 virtual Constant *
308 compile_const_pointer(void *ptr, const PointerType *type=NULL) {
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309 if (type == NULL) {
310 type = PtrTy;
311 }
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312 if (ptr == NULL) {
313 return ConstantPointerNull::get(type);
314 }
315 else {
316 Constant *ptrint = ConstantInt::get(IntTy, (long)ptr);
317 return ConstantExpr::getIntToPtr(ptrint, type);
318 }
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319 }
320
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321 Constant *
322 compile_const_pointer_to_pointer(void *ptr) {
323 return compile_const_pointer(ptr, PtrPtrTy);
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324 }
325
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326 bool should_inline_function(Function *f);
327
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328 Value *compile_node0(NODE *node);
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329 Function *compile_scope(NODE *node);
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330 Value *compile_call(NODE *node);
331 Value *compile_yield(NODE *node);
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332 Instruction *compile_protected_call(Value *imp, Value **args_begin,
333 Value **args_end);
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334 Instruction *compile_protected_call(Value *imp, std::vector<Value *>
335 &params);
336 Value *recompile_dispatch_argv(std::vector<Value *> &params, int idx);
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337 void compile_dispatch_arguments(NODE *args,
338 std::vector<Value *> &arguments, int *pargc);
339 Function::ArgumentListType::iterator compile_optional_arguments(
340 Function::ArgumentListType::iterator iter, NODE *node);
341 void compile_boolean_test(Value *condVal, BasicBlock *ifTrueBB,
342 BasicBlock *ifFalseBB);
343 void compile_when_arguments(NODE *args, Value *comparedToVal,
344 BasicBlock *thenBB);
345 void compile_single_when_argument(NODE *arg, Value *comparedToVal,
346 BasicBlock *thenBB);
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347 void compile_method_definition(NODE *node);
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348 virtual void compile_prepare_method(Value *classVal, Value *sel,
349 bool singleton, Function *new_function, rb_vm_arity_t &arity,
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350 NODE *body);
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351 Value *compile_dispatch_call(std::vector<Value *> &params);
352 Value *compile_when_splat(Value *comparedToVal, Value *splatVal);
353 Value *compile_attribute_assign(NODE *node, Value *extra_val);
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354 virtual Value *compile_prepare_block_args(Function *func, int *flags);
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355 Value *compile_prepare_block(void);
356 Value *compile_block(NODE *node);
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357 Value *compile_block_get(Value *block_object);
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358 Value *compile_binding(void);
359 Value *compile_optimized_dispatch_call(SEL sel, int argc,
360 std::vector<Value *> &params);
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361 Value *compile_lvar_assignment(ID vid, Value *val);
362 Value *compile_dvar_assignment(ID vid, Value *val);
363 Value *compile_lvar_get(ID vid);
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364 Value *compile_ivar_assignment(ID vid, Value *val);
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365 Value *compile_ivar_get(ID vid);
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366 Value *compile_cvar_assignment(ID vid, Value *val);
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367 Value *compile_cvar_get(ID vid, bool check);
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368 Value *compile_gvar_assignment(NODE *node, Value *val);
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369 Value *compile_gvar_get(NODE *node);
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370 Value *compile_constant_declaration(NODE *node, Value *val);
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371 Value *compile_multiple_assignment(NODE *node);
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372 Value *compile_multiple_assignment(NODE *node, Value *val);
373 void compile_multiple_assignment_element(NODE *node, Value *val);
374 Value *compile_current_class(void);
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375 virtual Value *compile_nsobject(void);
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376 virtual Value *compile_standarderror(void);
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377 Value *compile_class_path(NODE *node, int *flags);
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378 Value *compile_const(ID id, Value *outer);
379 Value *compile_singleton_class(Value *obj);
380 Value *compile_defined_expression(NODE *node);
381 Value *compile_dstr(NODE *node);
382 Value *compile_dvar_slot(ID name);
383 void compile_break_val(Value *val);
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384 void compile_simple_return(Value *val);
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385 Value *compile_set_has_ensure(Value *val);
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386 void compile_return_from_block(Value *val, int id);
387 void compile_return_from_block_handler(int id);
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388 Value *compile_jump(NODE *node);
389 virtual Value *compile_ccache(ID id);
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390 virtual Value *compile_sel(SEL sel, bool add_to_bb=true) {
391 return compile_const_pointer(sel, PtrTy);
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392 }
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393 virtual Value *compile_id(ID id);
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394 Instruction *compile_const_global_string(const char *str,
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395 const size_t str_len);
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396 Instruction *compile_const_global_string(const char *str) {
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397 return compile_const_global_string(str, strlen(str));
398 }
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399 Instruction *compile_const_global_ustring(const UniChar *str,
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400 const size_t str_len);
e379686 some work on unicode support (still in progress)
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401
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402 Value *compile_arity(rb_vm_arity_t &arity);
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403 Instruction *compile_range(Value *beg, Value *end, bool exclude_end,
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404 bool retain=false);
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405 Value *compile_literal(VALUE val);
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406 virtual Value *compile_immutable_literal(VALUE val);
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407 virtual Value *compile_global_entry(NODE *node);
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408
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409 void compile_set_current_scope(Value *klass, Value *scope);
410 Value *compile_set_current_class(Value *klass);
411
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412 Value *compile_landing_pad_header(void);
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413 void compile_landing_pad_footer(bool pop_exception=true);
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414 Value *compile_current_exception(void);
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415 void compile_rethrow_exception(void);
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416 void compile_pop_exception(int pos=0);
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417 Value *compile_lvar_slot(ID name);
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418 Value *compile_lvar_slot(ID name, bool *need_wb);
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419 bool compile_lvars(ID *tbl);
420 Value *compile_new_struct(Value *klass, std::vector<Value *> &fields);
421 Value *compile_new_opaque(Value *klass, Value *val);
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422 Value *compile_new_pointer(const char *type, Value *val);
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423 void compile_get_struct_fields(Value *val, Value *buf,
424 rb_vm_bs_boxed_t *bs_boxed);
425 Value *compile_get_opaque_data(Value *val, rb_vm_bs_boxed_t *bs_boxed,
426 Value *slot);
427 Value *compile_get_cptr(Value *val, const char *type, Value *slot);
428 void compile_check_arity(Value *given, Value *requested);
429 void compile_set_struct(Value *rcv, int field, Value *val);
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430 Value *compile_xmalloc(size_t len);
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431
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432 Value *compile_lambda_to_funcptr(const char *type, Value *val,
433 Value *slot, bool is_block);
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434 Value *compile_conversion_to_c(const char *type, Value *val,
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435 Value *slot);
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436 Value *compile_conversion_to_ruby(const char *type,
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437 const Type *llvm_type, Value *val);
cf73725 experimental debugger
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438 void compile_debug_trap(void);
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439
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440 virtual Value *compile_slot_cache(ID id);
2a1240c @vincentisambart some refactoring
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441 void compile_keep_vars(BasicBlock *startBB, BasicBlock *mergeBB);
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442
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443 SEL mid_to_sel(ID mid, int arity);
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444
c437b62 - Adds the flip-flop operator (fixes #548)
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445 Value *compile_get_ffstate(GlobalVariable *ffstate);
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446 Value *compile_set_ffstate(Value *val, Value *expected,
447 GlobalVariable *ffstate, BasicBlock *mergeBB, Function *f);
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448 Value *compile_ff2(NODE *current_node);
449 Value *compile_ff3(NODE *current_node);
450
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451 void attach_current_line_metadata(Instruction *insn);
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452 };
453
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454 #define context (RoxorCompiler::module->getContext())
455
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456 class RoxorAOTCompiler : public RoxorCompiler {
457 public:
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458 RoxorAOTCompiler(void);
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459
e29c2ec now interpreting potential cold paths (work in progress)
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460 Function *compile_main_function(NODE *node, bool *can_be_interpreted);
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461
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462 // BridgeSupport metadata needed for AOT compilation.
463 std::map<SEL, std::vector<std::string> *> bs_c_stubs_types,
464 bs_objc_stubs_types;
465
466 void load_bs_full_file(const char *path);
467
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468 private:
469 std::map<ID, GlobalVariable *> ccaches;
470 std::map<SEL, GlobalVariable *> sels;
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471 std::map<ID, GlobalVariable *> ids;
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472 std::map<ID, GlobalVariable *> global_entries;
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473 std::vector<GlobalVariable *> ivar_slots;
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474 std::map<VALUE, GlobalVariable *> literals;
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475 std::vector<std::string> c_stubs, objc_stubs;
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476
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477 GlobalVariable *cObject_gvar;
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478 GlobalVariable *cStandardError_gvar;
479 std::vector<GlobalVariable *> class_gvars;
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480
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481 Function *compile_init_function(void);
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482 Value *compile_ccache(ID id);
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483 Value *compile_sel(SEL sel, bool add_to_bb=true);
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484 void compile_prepare_method(Value *classVal, Value *sel,
485 bool singleton, Function *new_function, rb_vm_arity_t &arity,
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486 NODE *body);
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487 Value *compile_prepare_block_args(Function *func, int *flags);
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488 Value *compile_nsobject(void);
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489 Value *compile_standarderror(void);
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490 Value *compile_id(ID id);
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491 Value *compile_immutable_literal(VALUE val);
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492 Value *compile_global_entry(NODE *node);
8c55086 better ivar slot system for RubyObject + misc fixes/cleanup
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493 Value *compile_slot_cache(ID id);
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494
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495 Constant *
496 compile_const_pointer(void *ptr, const PointerType *type=NULL) {
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497 if (ptr == NULL) {
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498 return RoxorCompiler::compile_const_pointer(ptr, type);
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499 }
500 printf("compile_const_pointer() called with a non-NULL pointer " \
501 "on the AOT compiler - leaving the ship!\n");
502 abort();
503 }
504 };
505
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506 #endif // !MACRUBY_STATIC
507
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508 #endif /* __cplusplus */
509
510 #endif /* __COMPILER_H_ */
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