1 /* code.h 2 3 Routines for handling Flash2 AVM2 ABC Actionscript 4 5 Extension module for the rfxswf library. 6 Part of the swftools package. 7 8 Copyright (c) 2008 Matthias Kramm <kramm@quiss.org> 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 2 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ 23 24 #ifndef __abc_code_h__ 25 #define __abc_code_h__ 26 27 #include "../q.h" 28 29 DECLARE(code); 30 DECLARE_LIST(code); 31 DECLARE(codestats); 32 DECLARE(codelookup); 33 DECLARE(lookupswitch); 34 35 36 #include "abc.h" 37 38 typedef struct _opcode 39 { 40 unsigned char opcode; 41 char*name; 42 char*params; 43 44 int stack_minus; 45 int stack_plus; 46 int scope_stack_plus; 47 int flags; 48 } opcode_t; 49 50 struct _code { 51 void*data[2]; 52 code_t*next; 53 code_t*prev; 54 55 code_t*branch; 56 int pos; //used during code path evaluation 57 58 U8 opcode; 59 }; 60 61 struct _lookupswitch { 62 code_t*def; 63 code_list_t*targets; 64 }; 65 66 #define FLAGS_ACTIVATION 0x02 67 #define FLAGS_SET_DXNS 0x40 68 struct _codestats { 69 int max_stack; 70 int local_count; 71 int max_scope_depth; 72 int flags; 73 }; 74 75 struct _codelookup { 76 code_t**bytepos; 77 int len; 78 }; 79 80 code_t*code_dup(code_t*c); 81 82 code_t*add_opcode(code_t*atag, U8 op); 83 84 code_t*code_parse(TAG*tag, int len, abc_file_t*file, pool_t*pool, codelookup_t**codelookup); 85 int code_dump(code_t*c); 86 int code_dump2(code_t*c, abc_exception_list_t*exceptions, abc_file_t*file, char*prefix, FILE*fo); 87 void code_write(TAG*tag, code_t*code, pool_t*pool, abc_file_t*file); 88 void code_free(code_t*c); 89 code_t* code_atposition(codelookup_t*l, int pos); 90 void codelookup_free(codelookup_t*codelookup); 91 92 code_t*code_cutlast(code_t*c); 93 94 codestats_t* code_get_statistics(code_t*code, abc_exception_list_t*exceptions); 95 96 void codestats_print(codestats_t*s); 97 void codestats_free(codestats_t*s); 98 99 code_t* code_start(code_t*c); 100 101 code_t* code_append(code_t*code, code_t*toappend); 102 103 code_t* cut_last_push(code_t*_c); 104 105 char is_getlocal(code_t*c); 106 107 #define code_new() (0) 108 109 #endif 110