mirror of
https://github.com/Ed94/raddebugger.git
synced 2026-06-16 17:12:23 -07:00
Ryan Fleury
102 lines
4.1 KiB
C
102 lines
4.1 KiB
C
// Copyright (c) 2024 Epic Games Tools
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// Licensed under the MIT license (https://opensource.org/license/mit/)
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#ifndef EVAL_IR_H
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#define EVAL_IR_H
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////////////////////////////////
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//~ rjf: IR State
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typedef struct E_IRCacheNode E_IRCacheNode;
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struct E_IRCacheNode
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{
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E_IRCacheNode *next;
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E_Expr *expr;
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E_IRNode *overridden_node;
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E_IRTreeAndType irtree;
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};
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typedef struct E_IRCacheSlot E_IRCacheSlot;
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struct E_IRCacheSlot
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{
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E_IRCacheNode *first;
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E_IRCacheNode *last;
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};
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typedef struct E_IRState E_IRState;
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struct E_IRState
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{
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Arena *arena;
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U64 arena_eval_start_pos;
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// rjf: ir context
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E_IRCtx *ctx;
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// rjf: unpacked ctx
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RDI_Procedure *thread_ip_procedure;
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// rjf: overridden irtree
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E_IRTreeAndType *overridden_irtree;
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B32 disallow_autohooks;
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B32 disallow_chained_fastpaths;
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// rjf: caches
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E_UsedExprMap *used_expr_map;
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E_TypeAutoHookCacheMap *type_auto_hook_cache_map;
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U64 string_id_gen;
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E_StringIDMap *string_id_map;
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U64 ir_cache_slots_count;
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E_IRCacheSlot *ir_cache_slots;
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};
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////////////////////////////////
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//~ rjf: IR-ization Functions
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//- rjf: op list functions
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internal void e_oplist_push_op(Arena *arena, E_OpList *list, RDI_EvalOp opcode, E_Value value);
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internal void e_oplist_push_uconst(Arena *arena, E_OpList *list, U64 x);
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internal void e_oplist_push_sconst(Arena *arena, E_OpList *list, S64 x);
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internal void e_oplist_push_bytecode(Arena *arena, E_OpList *list, String8 bytecode);
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internal void e_oplist_push_set_space(Arena *arena, E_OpList *list, E_Space space);
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internal void e_oplist_push_string_literal(Arena *arena, E_OpList *list, String8 string);
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internal void e_oplist_concat_in_place(E_OpList *dst, E_OpList *to_push);
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//- rjf: ir tree core building helpers
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internal E_IRNode *e_push_irnode(Arena *arena, RDI_EvalOp op);
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internal void e_irnode_push_child(E_IRNode *parent, E_IRNode *child);
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//- rjf: ir subtree building helpers
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internal E_IRNode *e_irtree_const_u(Arena *arena, U64 v);
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internal E_IRNode *e_irtree_leaf_u128(Arena *arena, U128 u128);
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internal E_IRNode *e_irtree_unary_op(Arena *arena, RDI_EvalOp op, RDI_EvalTypeGroup group, E_IRNode *c);
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internal E_IRNode *e_irtree_binary_op(Arena *arena, RDI_EvalOp op, RDI_EvalTypeGroup group, E_IRNode *l, E_IRNode *r);
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internal E_IRNode *e_irtree_binary_op_u(Arena *arena, RDI_EvalOp op, E_IRNode *l, E_IRNode *r);
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internal E_IRNode *e_irtree_conditional(Arena *arena, E_IRNode *c, E_IRNode *l, E_IRNode *r);
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internal E_IRNode *e_irtree_bytecode_no_copy(Arena *arena, String8 bytecode);
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internal E_IRNode *e_irtree_string_literal(Arena *arena, String8 string);
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internal E_IRNode *e_irtree_set_space(Arena *arena, E_Space space, E_IRNode *c);
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internal E_IRNode *e_irtree_mem_read_type(Arena *arena, E_IRNode *c, E_TypeKey type_key);
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internal E_IRNode *e_irtree_convert_lo(Arena *arena, E_IRNode *c, RDI_EvalTypeGroup out, RDI_EvalTypeGroup in);
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internal E_IRNode *e_irtree_trunc(Arena *arena, E_IRNode *c, E_TypeKey type_key);
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internal E_IRNode *e_irtree_convert_hi(Arena *arena, E_IRNode *c, E_TypeKey out, E_TypeKey in);
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internal E_IRNode *e_irtree_resolve_to_value(Arena *arena, E_Mode from_mode, E_IRNode *tree, E_TypeKey type_key);
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//- rjf: expression poison checking
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internal B32 e_expr_is_poisoned(E_Expr *expr);
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internal void e_expr_poison(E_Expr *expr);
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internal void e_expr_unpoison(E_Expr *expr);
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//- rjf: top-level irtree/type extraction
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E_TYPE_ACCESS_FUNCTION_DEF(default);
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internal E_IRTreeAndType e_push_irtree_and_type_from_expr(Arena *arena, E_IRTreeAndType *root_parent, B32 disallow_autohooks, B32 disallow_chained_fastpaths, E_Expr *root_expr);
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//- rjf: irtree -> linear ops/bytecode
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internal void e_append_oplist_from_irtree(Arena *arena, E_IRNode *root, E_Space *current_space, E_OpList *out);
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internal E_OpList e_oplist_from_irtree(Arena *arena, E_IRNode *root);
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internal String8 e_bytecode_from_oplist(Arena *arena, E_OpList *oplist);
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//- rjf: leaf-bytecode expression extensions
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internal E_Expr *e_expr_irext_member_access(Arena *arena, E_Expr *lhs, E_IRTreeAndType *lhs_irtree, String8 member_name);
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#endif // EVAL_IR_H
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