X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fas3%2Fcode.c;h=bdf6daab49f82550b2bc7c7f91a130b4cf4e3132;hb=827eecab66e2adb4e1d96a82821d66024bd747e3;hp=04cc8d7df9bab76ff27edfb599da1a026e283d43;hpb=dc811a3e72d1926e8a0607b1f0571596c2f4e1a6;p=swftools.git diff --git a/lib/as3/code.c b/lib/as3/code.c index 04cc8d7..bdf6daa 100644 --- a/lib/as3/code.c +++ b/lib/as3/code.c @@ -466,7 +466,7 @@ static int opcode_write(TAG*tag, code_t*c, pool_t*pool, abc_file_t*file, int len c->opcode == OPCODE___CONTINUE__) { fprintf(stderr, "Unresolved %s\n", op->name); } else { - fprintf(stderr, "Error: writing undefined internal opcode %s", op->name); + fprintf(stderr, "Error: writing undefined internal opcode %s\n", op->name); } } @@ -1039,6 +1039,14 @@ code_t* code_end(code_t*code) code = code->next; return code; } +code_t* code_start(code_t*code) +{ + if(!code) + return 0; + while(code->prev) + code = code->prev; + return code; +} code_t* code_append(code_t*code, code_t*toappend) { @@ -1113,16 +1121,26 @@ code_t*code_dup(code_t*c) return last; } -code_t*code_cutlast(code_t*c) +code_t*code_cut(code_t*c) { if(!c) return c; - assert(!c->next); code_t*prev = c->prev; + code_t*next = c->next; c->prev = 0; - if(prev) - prev->next=0; + c->next = 0; + if(prev) prev->next=next; + if(next) next->prev=prev; code_free(c); - return prev; + + if(next) return code_end(next); + else return prev; +} + +code_t*code_cutlast(code_t*c) +{ + if(!c) return c; + assert(!c->next); + return code_cut(c); } code_t* cut_last_push(code_t*c) @@ -1159,8 +1177,14 @@ code_t* cut_last_push(code_t*c) // we can discard these if they're not eating up stack parameters if(!c->data[0]) return code_cutlast(c); - } - else + } else if(op->stack_minus ==0 && op->stack_plus == 0 && + !(op->flags&~(OP_REGISTER|OP_SET_DXNS)) && c->prev) { + // trim code *before* the kill, inclocal, declocal, dxns + code_t*p = c->prev; + p->next = 0; + c->prev = 0; + return code_append(cut_last_push(p), c); + } else break; } c = abc_pop(c);