-/*
- * Copyright (C) 2012, 2013, 2014
- * Wolfgang Bumiller
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is furnished to do
- * so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
#ifndef GMQCC_IR_HDR
#define GMQCC_IR_HDR
#include "gmqcc.h"
*/
typedef uint8_t ir_flag_t;
-typedef struct ir_value_s ir_value;
-typedef struct ir_instr_s ir_instr;
-typedef struct ir_block_s ir_block;
-typedef struct ir_function_s ir_function;
-typedef struct ir_builder_s ir_builder;
+struct ir_value;
+struct ir_instr;
+struct ir_block;
+struct ir_function;
+struct ir_builder;
-typedef struct {
+struct ir_life_entry_t {
/* both inclusive */
size_t start;
size_t end;
-} ir_life_entry_t;
+};
enum {
IR_FLAG_HAS_ARRAYS = 1 << 0,
IR_FLAG_MASK_NO_LOCAL_TEMPS = (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED)
};
-struct ir_value_s {
- char *name;
- int vtype;
- int store;
- lex_ctx_t context;
+struct ir_value {
+ ir_value(std::string&& name, store_type storetype, qc_type vtype);
+ ~ir_value();
+ void* operator new(std::size_t); // to use mem_a
+ void operator delete(void*); // to use mem_d
- int fieldtype; /* even the IR knows the subtype of a field */
- int outtype; /* and the output type of a function */
- int cvq; /* 'const' vs 'var' qualifier */
+ std::string name;
+
+ qc_type vtype;
+ store_type store;
+ lex_ctx_t context;
+ qc_type fieldtype; // even the IR knows the subtype of a field
+ qc_type outtype; // and the output type of a function
+ int cvq; // 'const' vs 'var' qualifier
ir_flag_t flags;
- ir_instr **reads;
- ir_instr **writes;
+ std::vector<ir_instr *> reads;
+ std::vector<ir_instr *> writes;
- /* constantvalues */
+ // constant values
bool hasvalue;
union {
- qcfloat_t vfloat;
- int vint;
- vec3_t vvec;
- int32_t ivec[3];
+ qcfloat_t vfloat;
+ int vint;
+ vec3_t vvec;
+ int32_t ivec[3];
char *vstring;
ir_value *vpointer;
ir_function *vfunc;
struct {
int32_t globaladdr;
int32_t name;
- int32_t local; /* filled by the local-allocator */
- int32_t addroffset; /* added for members */
- int32_t fieldaddr; /* to generate field-addresses early */
+ int32_t local; // filled by the local-allocator
+ int32_t addroffset; // added for members
+ int32_t fieldaddr; // to generate field-addresses early
} code;
- /* for acessing vectors */
+ // for accessing vectors
ir_value *members[3];
ir_value *memberof;
-
- bool unique_life; /* arrays will never overlap with temps */
- bool locked; /* temps living during a CALL must be locked */
+ bool unique_life; // arrays will never overlap with temps
+ bool locked; // temps living during a CALL must be locked
bool callparam;
- ir_life_entry_t *life; /* For the temp allocator */
+ std::vector<ir_life_entry_t> life; // For the temp allocator
};
/*
* if a result of an operation: the function should store
* it to remember to delete it / garbage collect it
*/
-void ir_value_delete(ir_value*);
ir_value* ir_value_vector_member(ir_value*, unsigned int member);
bool GMQCC_WARN ir_value_set_float(ir_value*, float f);
bool GMQCC_WARN ir_value_set_func(ir_value*, int f);
void ir_value_dump_life(const ir_value *self, int (*oprintf)(const char*,...));
/* PHI data */
-typedef struct ir_phi_entry_s {
+struct ir_phi_entry_t {
ir_value *value;
ir_block *from;
-} ir_phi_entry_t;
+};
/* instruction */
-struct ir_instr_s {
- int opcode;
- lex_ctx_t context;
- ir_value* (_ops[3]);
- ir_block* (bops[2]);
+struct ir_instr {
+ void* operator new(std::size_t);
+ void operator delete(void*);
- ir_phi_entry_t *phi;
- ir_value **params;
+ ir_instr(lex_ctx_t, ir_block *owner, int opcode);
+ ~ir_instr();
- /* For the temp-allocation */
- size_t eid;
+ int opcode;
+ lex_ctx_t context;
+ ir_value *(_ops[3]) = { nullptr, nullptr, nullptr };
+ ir_block *(bops[2]) = { nullptr, nullptr };
+
+ std::vector<ir_phi_entry_t> phi;
+ std::vector<ir_value *> params;
- /* For IFs */
- bool likely;
+ // For the temp-allocation
+ size_t eid = 0;
+
+ // For IFs
+ bool likely = true;
ir_block *owner;
};
/* block */
-struct ir_block_s {
- char *label;
- lex_ctx_t context;
- bool final; /* once a jump is added we're done */
+struct ir_block {
+ void* operator new(std::size_t);
+ void operator delete(void*);
- ir_instr **instr;
- ir_block **entries;
- ir_block **exits;
- ir_value **living;
-
- /* For the temp-allocation */
- size_t entry_id;
- size_t eid;
- bool is_return;
+ ir_block(ir_function *owner, const std::string& name);
+ ~ir_block();
ir_function *owner;
+ std::string label;
+
+ lex_ctx_t context;
+ bool final = false; /* once a jump is added we're done */
- bool generated;
- size_t code_start;
+ ir_instr **instr = nullptr;
+ ir_block **entries = nullptr;
+ ir_block **exits = nullptr;
+ std::vector<ir_value *> living;
+
+ /* For the temp-allocation */
+ size_t entry_id = 0;
+ size_t eid = 0;
+ bool is_return = false;
+
+ bool generated = false;
+ size_t code_start = 0;
};
ir_value* ir_block_create_binop(ir_block*, lex_ctx_t, const char *label, int op, ir_value *left, ir_value *right);
ir_value* ir_block_create_unary(ir_block*, lex_ctx_t, const char *label, int op, ir_value *operand);
bool GMQCC_WARN ir_block_create_store_op(ir_block*, lex_ctx_t, int op, ir_value *target, ir_value *what);
bool GMQCC_WARN ir_block_create_storep(ir_block*, lex_ctx_t, ir_value *target, ir_value *what);
-ir_value* ir_block_create_load_from_ent(ir_block*, lex_ctx_t, const char *label, ir_value *ent, ir_value *field, int outype);
+ir_value* ir_block_create_load_from_ent(ir_block*, lex_ctx_t, const char *label, ir_value *ent, ir_value *field, qc_type outype);
ir_value* ir_block_create_fieldaddress(ir_block*, lex_ctx_t, const char *label, ir_value *entity, ir_value *field);
bool GMQCC_WARN ir_block_create_state_op(ir_block*, lex_ctx_t, ir_value *frame, ir_value *think);
/* This is to create an instruction of the form
* <outtype>%label := opcode a, b
*/
-ir_instr* ir_block_create_phi(ir_block*, lex_ctx_t, const char *label, int vtype);
+ir_instr* ir_block_create_phi(ir_block*, lex_ctx_t, const char *label, qc_type vtype);
ir_value* ir_phi_value(ir_instr*);
void ir_phi_add(ir_instr*, ir_block *b, ir_value *v);
ir_instr* ir_block_create_call(ir_block*, lex_ctx_t, const char *label, ir_value *func, bool noreturn);
bool GMQCC_WARN ir_block_create_goto(ir_block*, lex_ctx_t, ir_block *to);
/* function */
-struct ir_function_s {
- char *name;
- int outtype;
- int *params;
- ir_block **blocks;
- ir_flag_t flags;
- int builtin;
+struct ir_function {
+ void* operator new(std::size_t);
+ void operator delete(void*);
+
+ ir_function(ir_builder *owner, qc_type returntype);
+ ~ir_function();
+
+ ir_builder *owner;
+
+ std::string name;
+ qc_type outtype;
+ int *params = nullptr;
+ ir_flag_t flags = 0;
+ int builtin = 0;
+
+ std::vector<std::unique_ptr<ir_block>> blocks;
/*
* values generated from operations
* which might get optimized away, so anything
* in there needs to be deleted in the dtor.
*/
- ir_value **values;
- ir_value **locals; /* locally defined variables */
- ir_value *value;
+ std::vector<std::unique_ptr<ir_value>> values;
+ std::vector<std::unique_ptr<ir_value>> locals; /* locally defined variables */
+ ir_value *value = nullptr;
- size_t allocated_locals;
- size_t globaltemps;
+ size_t allocated_locals = 0;
+ size_t globaltemps = 0;
- ir_block* first;
- ir_block* last;
+ ir_block* first = nullptr;
+ ir_block* last = nullptr;
lex_ctx_t context;
*
* remember the ID:
*/
- qcint_t code_function_def;
+ qcint_t code_function_def = -1;
/* for temp allocation */
- size_t run_id;
-
- ir_builder *owner;
+ size_t run_id = 0;
/* vararg support: */
- size_t max_varargs;
+ size_t max_varargs = 0;
};
-ir_value* ir_function_create_local(ir_function *self, const char *name, int vtype, bool param);
+ir_value* ir_function_create_local(ir_function *self, const std::string& name, qc_type vtype, bool param);
bool GMQCC_WARN ir_function_finalize(ir_function*);
ir_block* ir_function_create_block(lex_ctx_t ctx, ir_function*, const char *label);
#define IR_HT_SIZE 1024
#define IR_MAX_VINSTR_TEMPS 1
-struct ir_builder_s {
- char *name;
- ir_function **functions;
- ir_value **globals;
- ir_value **fields;
- ir_value **const_floats; /* for reusing them in vector-splits, TODO: sort this or use a radix-tree */
+struct ir_builder {
+ void* operator new(std::size_t);
+ void operator delete(void*);
+ ir_builder(const std::string& modulename);
+ ~ir_builder();
+
+ std::string name;
+ std::vector<std::unique_ptr<ir_function>> functions;
+ std::vector<std::unique_ptr<ir_value>> globals;
+ std::vector<std::unique_ptr<ir_value>> fields;
+ // for reusing them in vector-splits, TODO: sort this or use a radix-tree
+ std::vector<ir_value*> const_floats;
ht htfunctions;
ht htglobals;
ht htfields;
- ir_value **extparams;
- ir_value **extparam_protos;
+ // extparams' ir_values reference the ones from extparam_protos
+ std::vector<std::unique_ptr<ir_value>> extparam_protos;
+ std::vector<ir_value*> extparams;
- /* the highest func->allocated_locals */
- size_t max_locals;
- size_t max_globaltemps;
- uint32_t first_common_local;
- uint32_t first_common_globaltemp;
+ // the highest func->allocated_locals
+ size_t max_locals = 0;
+ size_t max_globaltemps = 0;
+ uint32_t first_common_local = 0;
+ uint32_t first_common_globaltemp = 0;
- const char **filenames;
- qcint_t *filestrings;
- /* we cache the #IMMEDIATE string here */
- qcint_t str_immediate;
- /* there should just be this one nil */
+ std::vector<const char*> filenames;
+ std::vector<qcint_t> filestrings;
+
+ // we cache the #IMMEDIATE string here
+ qcint_t str_immediate = 0;
+
+ // there should just be this one nil
ir_value *nil;
- ir_value *reserved_va_count;
- ir_value *coverage_func;
+ ir_value *reserved_va_count = nullptr;
+ ir_value *coverage_func = nullptr;
+
/* some virtual instructions require temps, and their code is isolated
* so that we don't need to keep track of their liveness.
*/
ir_value *vinstr_temp[IR_MAX_VINSTR_TEMPS];
/* code generator */
- code_t *code;
+ std::unique_ptr<code_t> code;
};
-ir_builder* ir_builder_new(const char *modulename);
-void ir_builder_delete(ir_builder*);
-ir_function* ir_builder_create_function(ir_builder*, const char *name, int outtype);
-ir_value* ir_builder_create_global(ir_builder*, const char *name, int vtype);
-ir_value* ir_builder_create_field(ir_builder*, const char *name, int vtype);
+ir_function* ir_builder_create_function(ir_builder*, const std::string& name, qc_type outtype);
+ir_value* ir_builder_create_global(ir_builder*, const std::string& name, qc_type vtype);
+ir_value* ir_builder_create_field(ir_builder*, const std::string& name, qc_type vtype);
ir_value* ir_builder_get_va_count(ir_builder*);
bool ir_builder_generate(ir_builder *self, const char *filename);
void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...));