mirror of
https://github.com/Ed94/raddebugger.git
synced 2026-06-14 08:02:23 -07:00
Ryan Fleury
97 lines
3.6 KiB
C
97 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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#ifndef EVAL_PARSE_H
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#define EVAL_PARSE_H
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////////////////////////////////
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//~ rjf: Parse Results
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typedef struct E_Parse E_Parse;
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struct E_Parse
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{
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E_Token *last_token;
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E_Expr *expr;
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E_Expr *last_expr;
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E_MsgList msgs;
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};
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////////////////////////////////
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//~ rjf: Parse Context
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typedef struct E_ParseCtx E_ParseCtx;
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struct E_ParseCtx
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{
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E_Module *modules;
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U64 modules_count;
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E_Module *primary_module;
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};
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////////////////////////////////
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//~ rjf: Parse State (stateful thread-local caching mechanisms, not provided by user)
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typedef struct E_ParseState E_ParseState;
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struct E_ParseState
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{
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Arena *arena;
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U64 arena_eval_start_pos;
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E_ParseCtx *ctx;
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};
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////////////////////////////////
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//~ rjf: Globals
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global read_only E_String2NumMap e_string2num_map_nil = {0};
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global read_only E_String2ExprMap e_string2expr_map_nil = {0};
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global read_only E_Expr e_expr_nil = {&e_expr_nil, &e_expr_nil, &e_expr_nil, &e_expr_nil, &e_expr_nil};
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thread_static E_ParseState *e_parse_state = 0;
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////////////////////////////////
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//~ rjf: Tokenization Functions
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#define e_token_at_it(it, arr) (((arr)->v <= (it) && (it) < (arr)->v+(arr)->count) ? (*(it)) : e_token_zero())
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internal E_Token e_token_zero(void);
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internal void e_token_chunk_list_push(Arena *arena, E_TokenChunkList *list, U64 chunk_size, E_Token *token);
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internal E_TokenArray e_token_array_from_chunk_list(Arena *arena, E_TokenChunkList *list);
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internal E_TokenArray e_token_array_from_text(Arena *arena, String8 text);
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internal E_TokenArray e_token_array_make_first_opl(E_Token *first, E_Token *opl);
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////////////////////////////////
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//~ rjf: Context Selection Functions (Selection Required For All Subsequent APIs)
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internal E_ParseCtx *e_selected_parse_ctx(void);
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internal void e_select_parse_ctx(E_ParseCtx *ctx);
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internal U32 e_parse_ctx_module_idx_from_rdi(RDI_Parsed *rdi);
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////////////////////////////////
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//~ rjf: Expression Tree Building Functions
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internal E_Expr *e_push_expr(Arena *arena, E_ExprKind kind, void *location);
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internal void e_expr_insert_child(E_Expr *parent, E_Expr *prev, E_Expr *child);
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internal void e_expr_push_child(E_Expr *parent, E_Expr *child);
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internal void e_expr_remove_child(E_Expr *parent, E_Expr *child);
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internal E_Expr *e_expr_ref(Arena *arena, E_Expr *ref);
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internal E_Expr *e_expr_ref_deref(Arena *arena, E_Expr *rhs);
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internal E_Expr *e_expr_ref_cast(Arena *arena, E_TypeKey type_key, E_Expr *rhs);
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internal E_Expr *e_expr_copy(Arena *arena, E_Expr *src);
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internal void e_expr_list_push(Arena *arena, E_ExprList *list, E_Expr *expr);
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////////////////////////////////
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//~ rjf: Expression Tree -> String Conversions
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internal void e_append_strings_from_expr(Arena *arena, E_Expr *expr, String8List *out);
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internal String8 e_string_from_expr(Arena *arena, E_Expr *expr);
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////////////////////////////////
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//~ rjf: Parsing Functions
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internal E_TypeKey e_leaf_type_from_name(String8 name);
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internal E_TypeKey e_type_from_expr(E_Expr *expr);
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internal void e_push_leaf_ident_exprs_from_expr__in_place(Arena *arena, E_String2ExprMap *map, E_Expr *expr);
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internal E_Parse e_parse_type_from_text_tokens(Arena *arena, String8 text, E_TokenArray tokens);
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internal E_Parse e_parse_expr_from_text_tokens__prec(Arena *arena, String8 text, E_TokenArray tokens, S64 max_precedence, U64 max_chain_count);
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internal E_Parse e_parse_expr_from_text_tokens(Arena *arena, String8 text, E_TokenArray tokens);
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internal E_Parse e_parse_expr_from_text(Arena *arena, String8 text);
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#endif // EVAL_PARSE_H
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