diff options
Diffstat (limited to 'MultiSource/Applications/hbd/db-meth.cpp')
| -rw-r--r-- | MultiSource/Applications/hbd/db-meth.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/MultiSource/Applications/hbd/db-meth.cpp b/MultiSource/Applications/hbd/db-meth.cpp new file mode 100644 index 00000000..494d8aa4 --- /dev/null +++ b/MultiSource/Applications/hbd/db-meth.cpp @@ -0,0 +1,117 @@ +/* db-meth.cpp */ +/* + Java Decompiler + Copyright (c) 1994-2003, Pete Ryland. + Distributed under the GNU GPL Version 2. + This package is available from http://pdr.cx/hbd/ +*/ + +#include "exp.h" +#include "class.h" +#include "decomp.h" +#include "cp.h" + +int invokefunc(Classfile *c) +{ + unsigned pcval = currpc - 1; + unsigned minpcval = pcval; + int i; + Type exptypes[256]; + int val = JDNEXT16S(); + Ref *mr = (Ref*)c->cp[val]->p; + NameAndType *nt = (NameAndType*)c->cp[mr->name_and_type]->p; + char *classname = c->cp(mr->class_index)->chp; + char *tmpstr = c->cp[nt->signature_index]->chp; + char *name = c->cp[nt->name_index]->chp; + Exp **el = new Exp*[strlen(tmpstr)-2]; + Exp *e1 = new Exp(pcval, name, VOID, NO); + unsigned numexps = 0; + while (*(++tmpstr) != ')') { + exptypes[numexps++] = sig2type(tmpstr); + if (*tmpstr == '[') tmpstr++; + if (*tmpstr == 'L') while (*(++tmpstr) != ';') /* do nothing */; + } + Type etype = sig2type(tmpstr + 1); + Exp **elp = el; + for (i = numexps; i--;) { + if (((*(--stkptr))->e->type == INT) && (exptypes[i] == BOOLEAN)) { + if (((*stkptr)->e == std_exps + 2)||((*stkptr)->e == std_exps + 3)) + (*stkptr)->e += 13; + else + /* CMPEQ */; + } + *elp++ = *stkptr; + minpcval = min(minpcval, (*stkptr)->minpc); + } + if (ch == 0xB9) { /* invokeinterface */ + if (numexps != (unsigned)(JDNEXT8U() - 1)) { + fprintf(stderr,"Error in interface method invocation - nargs doesn't match.\n"); + return 1; + } + JDNEXT8U(); /* reserved byte */ + } + if (ch != 0xB8) { /* invokevirtual OR invokenonvirtual OR invokeinterface */ + if (((*(stkptr-1))->e->et == IDENT) && !strcmp((*(stkptr-1))->e->id->name,"this")) { + /* this.bar(...) == bar(...) */ + if (strcmp(classname,c->this_class_name)) { /* super.bar(...) */ + if (!strcmp(name,"<init>")) { /* super() */ + e1->e->id->name = "super"; + minpcval = min(minpcval, (*(stkptr-1))->minpc); + Exp *e = new Exp(pcval, minpcval, FUNCTIONCALL, etype, ID, e1, numexps, el); + if (etype == VOID) { + --stkptr; *donestkptr++ = e; + } else *(stkptr-1) = e; + return 0; + } + minpcval = min(minpcval, (*(stkptr-1))->minpc); + Exp *e2 = new Exp(pcval, "super", VOID, NO); + Exp *e3 = new Exp(pcval, minpcval, BINARY, FUNC, DOT, e2, e1); + Exp *e = new Exp(pcval, minpcval, FUNCTIONCALL, etype, ID, e3, numexps, el); + if (etype == VOID) { + --stkptr; *donestkptr++ = e; + } else *(stkptr-1) = e; + return 0; + } else { + if (!strcmp(name,"<init>")) { + minpcval = min(minpcval, (*(stkptr-1))->minpc); + e1->e->id->name = "this"; + } + Exp *e = new Exp(pcval, minpcval, FUNCTIONCALL, etype, ID, e1, numexps, el); + if (e->e->type == VOID) { + --stkptr; *donestkptr++ = e; + } else *(stkptr-1) = e; + return 0; + } + } else { + /* foo.bar(...) */ + Exp *e; + if (!strcmp(name,"<init>")) { + /* killexp(e1)? */ + minpcval = min(minpcval, (*(stkptr-1))->minpc); + e = new Exp(pcval, minpcval, FUNCTIONCALL, OBJECT, ID, *(stkptr-1), numexps, el); + } else { + minpcval = min(minpcval, (*(stkptr-1))->minpc); + Exp *e3 = new Exp(pcval, minpcval, BINARY, FUNC, DOT, *(stkptr-1), e1); + e = new Exp(pcval, minpcval, FUNCTIONCALL, etype, ID, e3, numexps, el); + } + if ((e->exp1->e->op != NEW) && (etype == VOID)) { + --stkptr; *donestkptr++ = e; + } else *(stkptr-1) = e; + return 0; + } + } else { /* invokestatic */ + Exp *e; + tmpstr = c->cp(mr->class_index)->chp; + if (strcmp(tmpstr, c->this_class_name)) { + Exp *e2 = new Exp(pcval, tmpstr, VOID, NO); + Exp *e3 = new Exp(pcval, minpcval, BINARY, FUNC, DOT, e2, e1); + e = new Exp(pcval, minpcval, FUNCTIONCALL, etype, ID, e3, numexps, el); + } else + e = new Exp(pcval, minpcval, FUNCTIONCALL, etype, ID, e1, numexps, el); + if (etype == VOID) + *donestkptr++ = e; + else + *stkptr++ = e; + return 0; + } +} |