kc3-lang/libxkbcommon/src/xkbcomp/parser-priv.h

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• Author : Ran Benita
  Date : 2025-02-02 22:29:05
  Hash : f4e95280
  Message : xkbcomp/scanner: avoid unneeded strdup of IDENT tokens The allocation is immediately discarded, either turned into a keysym or an atom. So use an sval slice into the input string instead strdup'ing. memusage ./release/bench-compile-keymap --iter=1000 --layout us,de --variant ,neo Before: Memory usage summary: heap total: 534063576, heap peak: 581022, stack peak: 18848 total calls total memory failed calls malloc| 11240525 291897104 0 realloc| 1447657 192307328 0 (nomove:37629, dec:0, free:0) calloc| 430573 49859144 0 free| 13993903 534063576 After: Memory usage summary: heap total: 506839909, heap peak: 581022, stack peak: 18960 total calls total memory failed calls malloc| 8016419 264673437 0 realloc| 1447657 192307328 0 (nomove:37278, dec:0, free:0) calloc| 430573 49859144 0 free| 10769797 506839909 Signed-off-by: Ran Benita <ran@unusedvar.com>

• src/xkbcomp/parser-priv.h

• /*
   * Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
   * SPDX-License-Identifier: HPND
   */
  #pragma once
  
  struct parser_param;
  struct scanner;
  
  #include "scanner-utils.h"
  #include "parser.h"
  
  int
  _xkbcommon_lex(YYSTYPE *yylval, struct scanner *scanner);
  
  XkbFile *
  parse(struct xkb_context *ctx, struct scanner *scanner, const char *map);
  
  int
  keyword_to_token(const char *string, size_t len);