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compiler.h
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compiler.h
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/*
* MacRuby compiler.
*
* This file is covered by the Ruby license. See COPYING for more details.
*
* Copyright (C) 2008-2010, Apple Inc. All rights reserved.
*/
#ifndef __COMPILER_H_
#define __COMPILER_H_
#if defined(__cplusplus)
// For the dispatcher.
#define DISPATCH_VCALL 1 // no receiver, no argument
#define DISPATCH_FCALL 2 // no receiver, one or more arguments
#define DISPATCH_SUPER 3 // super call
#define DISPATCH_SELF_ATTRASGN 4 // self attribute assignment
#define SPLAT_ARG_FOLLOWS 0xdeadbeef
// For const lookup.
#define CONST_LOOKUP_LEXICAL 1
#define CONST_LOOKUP_DYNAMIC_CLASS 2
// For defined?
#define DEFINED_IVAR 1
#define DEFINED_GVAR 2
#define DEFINED_CVAR 3
#define DEFINED_CONST 4
#define DEFINED_LCONST 5
#define DEFINED_SUPER 6
#define DEFINED_METHOD 7
class RoxorCompiler {
public:
static llvm::Module *module;
static RoxorCompiler *shared;
RoxorCompiler(bool debug_mode);
virtual ~RoxorCompiler(void) { }
void set_fname(const char *_fname);
Value *compile_node(NODE *node);
virtual Function *compile_main_function(NODE *node);
Function *compile_read_attr(ID name);
Function *compile_write_attr(ID name);
Function *compile_stub(const char *types, bool variadic, int min_argc,
bool is_objc);
Function *compile_long_arity_stub(int argc, bool is_block);
Function *compile_bs_struct_new(rb_vm_bs_boxed_t *bs_boxed);
Function *compile_bs_struct_writer(rb_vm_bs_boxed_t *bs_boxed,
int field);
Function *compile_ffi_function(void *stub, void *imp, int argc);
Function *compile_to_rval_convertor(const char *type);
Function *compile_to_ocval_convertor(const char *type);
Function *compile_objc_stub(Function *ruby_func, IMP ruby_imp,
const rb_vm_arity_t &arity, const char *types);
Function *compile_block_caller(rb_vm_block_t *block);
Function *compile_mri_stub(void *imp, const int arity);
const Type *convert_type(const char *type);
bool is_inside_eval(void) { return inside_eval; }
void set_inside_eval(bool flag) { inside_eval = flag; }
bool is_dynamic_class(void) { return dynamic_class; }
void set_dynamic_class(bool flag) { dynamic_class = flag; }
protected:
DIFactory *debug_info;
DICompileUnit debug_compile_unit;
DISubprogram debug_subprogram;
bool debug_mode;
const char *fname;
bool inside_eval;
std::map<ID, Value *> lvars;
std::vector<ID> dvars;
std::map<ID, Value *> ivar_slots_cache;
std::map<std::string, GlobalVariable *> static_strings;
std::map<CFHashCode, GlobalVariable *> static_ustrings;
#if ROXOR_COMPILER_DEBUG
int level;
# define DEBUG_LEVEL_INC() (level++)
# define DEBUG_LEVEL_DEC() (level--)
#else
# define DEBUG_LEVEL_INC()
# define DEBUG_LEVEL_DEC()
#endif
unsigned int current_line;
BasicBlock *bb;
BasicBlock *entry_bb;
ID current_mid;
rb_vm_arity_t current_arity;
bool current_instance_method;
ID self_id;
Value *current_self;
bool current_block;
bool current_block_chain;
Value *current_var_uses;
Value *running_block;
Value *current_block_arg;
BasicBlock *begin_bb;
// block used in an invoke when an exception occurs
BasicBlock *rescue_invoke_bb;
// block to return to in a rescue if an exception is not handled
BasicBlock *rescue_rethrow_bb;
BasicBlock *ensure_bb;
bool current_rescue;
NODE *current_block_node;
Function *current_block_func;
Function *current_non_block_func;
GlobalVariable *current_opened_class;
bool dynamic_class;
bool current_module;
BasicBlock *current_loop_begin_bb;
BasicBlock *current_loop_body_bb;
BasicBlock *current_loop_end_bb;
PHINode *current_loop_exit_val;
int return_from_block;
int return_from_block_ids;
PHINode *ensure_pn;
bool block_declaration;
Function *dispatcherFunc;
Function *fastPlusFunc;
Function *fastMinusFunc;
Function *fastMultFunc;
Function *fastDivFunc;
Function *fastLtFunc;
Function *fastLeFunc;
Function *fastGtFunc;
Function *fastGeFunc;
Function *fastEqFunc;
Function *fastNeqFunc;
Function *fastEqqFunc;
Function *whenSplatFunc;
Function *prepareBlockFunc;
Function *pushBindingFunc;
Function *getBlockFunc;
Function *currentBlockObjectFunc;
Function *getConstFunc;
Function *setConstFunc;
Function *prepareMethodFunc;
Function *singletonClassFunc;
Function *defineClassFunc;
Function *prepareIvarSlotFunc;
Function *getIvarFunc;
Function *setIvarFunc;
Function *setKVOIvarFunc;
Function *definedFunc;
Function *undefFunc;
Function *aliasFunc;
Function *valiasFunc;
Function *newHashFunc;
Function *toAFunc;
Function *toAryFunc;
Function *catArrayFunc;
Function *dupArrayFunc;
Function *newArrayFunc;
Function *newStructFunc;
Function *newOpaqueFunc;
Function *newPointerFunc;
Function *getStructFieldsFunc;
Function *getOpaqueDataFunc;
Function *getPointerPtrFunc;
Function *checkArityFunc;
Function *setStructFunc;
Function *newRangeFunc;
Function *newRegexpFunc;
Function *strInternFunc;
Function *keepVarsFunc;
Function *masgnGetElemBeforeSplatFunc;
Function *masgnGetElemAfterSplatFunc;
Function *masgnGetSplatFunc;
Function *newStringFunc;
Function *newString2Func;
Function *newString3Func;
Function *yieldFunc;
Function *getBrokenFunc;
Function *blockEvalFunc;
Function *gvarSetFunc;
Function *gvarGetFunc;
Function *cvarSetFunc;
Function *cvarGetFunc;
Function *currentExceptionFunc;
Function *popExceptionFunc;
Function *getSpecialFunc;
Function *breakFunc;
Function *returnFromBlockFunc;
Function *returnedFromBlockFunc;
Function *checkReturnFromBlockFunc;
Function *setHasEnsureFunc;
Function *longjmpFunc;
Function *setjmpFunc;
Function *setScopeFunc;
Function *setCurrentClassFunc;
Function *getCacheFunc;
Function *debugTrapFunc;
Function *getFFStateFunc;
Function *setFFStateFunc;
Function *takeOwnershipFunc;
Constant *zeroVal;
Constant *oneVal;
Constant *twoVal;
Constant *threeVal;
Constant *nilVal;
Constant *trueVal;
Constant *falseVal;
Constant *undefVal;
Constant *splatArgFollowsVal;
Constant *defaultScope;
Constant *publicScope;
const Type *VoidTy;
const Type *Int1Ty;
const Type *Int8Ty;
const Type *Int16Ty;
const Type *Int32Ty;
const Type *Int64Ty;
const Type *FloatTy;
const Type *DoubleTy;
const Type *RubyObjTy;
const PointerType *RubyObjPtrTy;
const PointerType *RubyObjPtrPtrTy;
const PointerType *PtrTy;
const PointerType *PtrPtrTy;
const Type *IntTy;
const PointerType *Int32PtrTy;
unsigned dbg_mdkind;
void compile_node_error(const char *msg, NODE *node);
virtual Constant *
compile_const_pointer(void *ptr, const PointerType *type=NULL) {
if (type == NULL) {
type = PtrTy;
}
if (ptr == NULL) {
return ConstantPointerNull::get(type);
}
else {
Constant *ptrint = ConstantInt::get(IntTy, (long)ptr);
return ConstantExpr::getIntToPtr(ptrint, type);
}
}
Constant *
compile_const_pointer_to_pointer(void *ptr) {
return compile_const_pointer(ptr, PtrPtrTy);
}
Function *compile_scope(NODE *node);
Instruction *compile_protected_call(Value *imp,
std::vector<Value *> ¶ms);
void compile_dispatch_arguments(NODE *args,
std::vector<Value *> &arguments, int *pargc);
Function::ArgumentListType::iterator compile_optional_arguments(
Function::ArgumentListType::iterator iter, NODE *node);
void compile_boolean_test(Value *condVal, BasicBlock *ifTrueBB,
BasicBlock *ifFalseBB);
void compile_when_arguments(NODE *args, Value *comparedToVal,
BasicBlock *thenBB);
void compile_single_when_argument(NODE *arg, Value *comparedToVal,
BasicBlock *thenBB);
virtual void compile_prepare_method(Value *classVal, Value *sel,
bool singleton, Function *new_function, rb_vm_arity_t &arity,
NODE *body);
Value *compile_dispatch_call(std::vector<Value *> ¶ms);
Value *compile_when_splat(Value *comparedToVal, Value *splatVal);
Value *compile_fast_op_call(SEL sel, Value *selfVal, Value *comparedToVal);
Value *compile_attribute_assign(NODE *node, Value *extra_val);
virtual Value *compile_prepare_block_args(Function *func, int *flags);
Value *compile_block_create(void);
Value *compile_block_get(Value *block_object);
Value *compile_binding(void);
Value *compile_optimized_dispatch_call(SEL sel, int argc,
std::vector<Value *> ¶ms);
Value *compile_ivar_read(ID vid);
Value *compile_ivar_assignment(ID vid, Value *val);
Value *compile_cvar_assignment(ID vid, Value *val);
Value *compile_cvar_get(ID vid, bool check);
Value *compile_gvar_assignment(NODE *node, Value *val);
Value *compile_constant_declaration(NODE *node, Value *val);
Value *compile_multiple_assignment(NODE *node, Value *val);
void compile_multiple_assignment_element(NODE *node, Value *val);
Value *compile_current_class(void);
virtual Value *compile_nsobject(void);
virtual Value *compile_standarderror(void);
Value *compile_class_path(NODE *node, int *flags);
Value *compile_const(ID id, Value *outer);
Value *compile_singleton_class(Value *obj);
Value *compile_defined_expression(NODE *node);
Value *compile_dstr(NODE *node);
Value *compile_dvar_slot(ID name);
void compile_break_val(Value *val);
void compile_simple_return(Value *val);
Value *compile_set_has_ensure(Value *val);
void compile_return_from_block(Value *val, int id);
void compile_return_from_block_handler(int id);
Value *compile_jump(NODE *node);
virtual Value *compile_ccache(ID id);
virtual Value *compile_sel(SEL sel, bool add_to_bb=true) {
return compile_const_pointer(sel, PtrTy);
}
virtual Value *compile_id(ID id);
GlobalVariable *compile_const_global_string(const char *str,
const size_t str_len);
GlobalVariable *compile_const_global_string(const char *str) {
return compile_const_global_string(str, strlen(str));
}
GlobalVariable *compile_const_global_ustring(const UniChar *str,
const size_t str_len);
Value *compile_arity(rb_vm_arity_t &arity);
Instruction *compile_range(Value *beg, Value *end, bool exclude_end,
bool retain=false, bool add_to_bb=true);
Value *compile_literal(VALUE val);
virtual Value *compile_immutable_literal(VALUE val);
virtual Value *compile_global_entry(NODE *node);
void compile_set_current_scope(Value *klass, Value *scope);
Value *compile_set_current_class(Value *klass);
Value *compile_landing_pad_header(void);
Value *compile_landing_pad_header(const std::type_info &eh_type);
void compile_landing_pad_footer(bool pop_exception=true);
Value *compile_current_exception(void);
void compile_rethrow_exception(void);
void compile_pop_exception(int pos=0);
Value *compile_lvar_slot(ID name);
bool compile_lvars(ID *tbl);
Value *compile_new_struct(Value *klass, std::vector<Value *> &fields);
Value *compile_new_opaque(Value *klass, Value *val);
Value *compile_new_pointer(const char *type, Value *val);
void compile_get_struct_fields(Value *val, Value *buf,
rb_vm_bs_boxed_t *bs_boxed);
Value *compile_get_opaque_data(Value *val, rb_vm_bs_boxed_t *bs_boxed,
Value *slot);
Value *compile_get_cptr(Value *val, const char *type, Value *slot);
void compile_check_arity(Value *given, Value *requested);
void compile_set_struct(Value *rcv, int field, Value *val);
Value *compile_conversion_to_c(const char *type, Value *val,
Value *slot);
Value *compile_conversion_to_ruby(const char *type,
const Type *llvm_type, Value *val);
void compile_debug_trap(void);
Value *compile_slot_cache(ID id);
virtual Value *gen_slot_cache(ID id);
ICmpInst *is_value_a_fixnum(Value *val);
void compile_ivar_slots(Value *klass, BasicBlock::InstListType &list,
BasicBlock::InstListType::iterator iter);
bool unbox_ruby_constant(Value *val, VALUE *rval);
Value *optimized_immediate_op(SEL sel, Value *leftVal, Value *rightVal,
bool float_op, bool *is_predicate);
Value *compile_double_coercion(Value *val, Value *mask,
BasicBlock *fallback_bb, Function *f);
void compile_keep_vars(BasicBlock *startBB, BasicBlock *mergeBB);
SEL mid_to_sel(ID mid, int arity);
Value *compile_get_ffstate(GlobalVariable *ffstate);
Value *compile_set_ffstate(Value *val, Value *expected, GlobalVariable *ffstate, BasicBlock *mergeBB, Function *f);
Value *compile_ff2(NODE *current_node);
Value *compile_ff3(NODE *current_node);
void attach_current_line_metadata(Instruction *insn);
};
#define context (RoxorCompiler::module->getContext())
class RoxorAOTCompiler : public RoxorCompiler {
public:
RoxorAOTCompiler(void);
Function *compile_main_function(NODE *node);
private:
std::map<ID, GlobalVariable *> ccaches;
std::map<SEL, GlobalVariable *> sels;
std::map<ID, GlobalVariable *> ids;
std::map<ID, GlobalVariable *> global_entries;
std::vector<GlobalVariable *> ivar_slots;
std::map<VALUE, GlobalVariable *> literals;
GlobalVariable *cObject_gvar;
GlobalVariable *cStandardError_gvar;
std::vector<GlobalVariable *> class_gvars;
Value *compile_ccache(ID id);
Value *compile_sel(SEL sel, bool add_to_bb=true);
void compile_prepare_method(Value *classVal, Value *sel,
bool singleton, Function *new_function, rb_vm_arity_t &arity,
NODE *body);
Value *compile_prepare_block_args(Function *func, int *flags);
Value *compile_nsobject(void);
Value *compile_standarderror(void);
Value *compile_id(ID id);
Value *compile_immutable_literal(VALUE val);
Value *compile_global_entry(NODE *node);
Value *gen_slot_cache(ID id);
Constant *
compile_const_pointer(void *ptr, const PointerType *type=NULL) {
if (ptr == NULL) {
return RoxorCompiler::compile_const_pointer(ptr, type);
}
printf("compile_const_pointer() called with a non-NULL pointer " \
"on the AOT compiler - leaving the ship!\n");
abort();
}
};
#endif /* __cplusplus */
#endif /* __COMPILER_H_ */