mirror of
https://github.com/Ed94/raddebugger.git
synced 2026-06-15 08:32:22 -07:00
Ryan Fleury
107 lines
3.6 KiB
C
107 lines
3.6 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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////////////////////////////////
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//~ rjf: View Rule Tree Info Extraction Helpers
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internal U64
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ev_base_offset_from_eval(E_Eval eval)
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{
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if(e_type_kind_is_pointer_or_ref(e_type_kind_from_key(eval.type_key)))
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{
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eval = e_value_eval_from_eval(eval);
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}
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return eval.value.u64;
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}
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internal E_Value
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ev_value_from_params(MD_Node *params)
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{
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Temp scratch = scratch_begin(0, 0);
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String8 expr = md_string_from_children(scratch.arena, params);
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E_Eval eval = e_eval_from_string(scratch.arena, expr);
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E_Eval value_eval = e_value_eval_from_eval(eval);
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scratch_end(scratch);
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return value_eval.value;
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}
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internal E_TypeKey
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ev_type_key_from_params(MD_Node *params)
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{
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Temp scratch = scratch_begin(0, 0);
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String8 expr = md_string_from_children(scratch.arena, params);
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E_TokenArray tokens = e_token_array_from_text(scratch.arena, expr);
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E_Parse parse = e_parse_type_from_text_tokens(scratch.arena, expr, &tokens);
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E_TypeKey type_key = e_type_from_expr(parse.expr);
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scratch_end(scratch);
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return type_key;
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}
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internal E_Value
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ev_value_from_params_key(MD_Node *params, String8 key)
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{
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Temp scratch = scratch_begin(0, 0);
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MD_Node *key_node = md_child_from_string(params, key, 0);
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String8 expr = md_string_from_children(scratch.arena, key_node);
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E_Eval eval = e_eval_from_string(scratch.arena, expr);
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E_Eval value_eval = e_value_eval_from_eval(eval);
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scratch_end(scratch);
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return value_eval.value;
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}
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internal Rng1U64
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ev_range_from_eval_params(E_Eval eval, MD_Node *params)
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{
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Temp scratch = scratch_begin(0, 0);
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U64 size = ev_value_from_params_key(params, str8_lit("size")).u64;
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E_TypeKey type_key = e_type_unwrap(eval.type_key);
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E_TypeKind type_kind = e_type_kind_from_key(type_key);
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E_TypeKey direct_type_key = e_type_unwrap(e_type_direct_from_key(eval.type_key));
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E_TypeKind direct_type_kind = e_type_kind_from_key(direct_type_key);
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if(size == 0 && e_type_kind_is_pointer_or_ref(type_kind) && (direct_type_kind == E_TypeKind_Struct ||
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direct_type_kind == E_TypeKind_Union ||
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direct_type_kind == E_TypeKind_Class ||
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direct_type_kind == E_TypeKind_Array))
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{
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size = e_type_byte_size_from_key(e_type_direct_from_key(e_type_unwrap(eval.type_key)));
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}
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if(size == 0 && eval.mode == E_Mode_Offset && (type_kind == E_TypeKind_Struct ||
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type_kind == E_TypeKind_Union ||
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type_kind == E_TypeKind_Class ||
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type_kind == E_TypeKind_Array))
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{
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size = e_type_byte_size_from_key(e_type_unwrap(eval.type_key));
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}
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if(size == 0)
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{
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size = 16384;
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}
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Rng1U64 result = {0};
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result.min = ev_base_offset_from_eval(eval);
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result.max = result.min + size;
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scratch_end(scratch);
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return result;
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}
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internal Arch
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ev_arch_from_eval_params(E_Eval eval, MD_Node *params)
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{
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Arch arch = Arch_Null;
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MD_Node *arch_node = md_child_from_string(params, str8_lit("arch"), 0);
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String8 arch_kind_string = arch_node->first->string;
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if(str8_match(arch_kind_string, str8_lit("x64"), StringMatchFlag_CaseInsensitive))
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{
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arch = Arch_x64;
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}
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return arch;
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}
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////////////////////////////////
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//~ rjf: "list"
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EV_VIEW_RULE_EXPR_EXPAND_INFO_FUNCTION_DEF(list)
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{
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EV_ExpandInfo info = {0};
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return info;
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}
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