From 406202580838d02393e3b077effdb6dfcaee94ee Mon Sep 17 00:00:00 2001 From: Kung Hsu Date: Wed, 17 Nov 1993 18:07:58 +0000 Subject: [PATCH] Modified Files: ChangeLog eval.c valops.c * valops.c (typecmp): improve prototype matching when calling a method. Make 'p (*(ostream *) &cout) << "lll" ' to work. * eval.c(evalute_subexp): fix operator search problem when call like p x.'operator+'(i). --- gdb/ChangeLog | 7 +++++++ gdb/eval.c | 50 +++++++++++++++++++++++++++++++++++++++++--------- gdb/valops.c | 32 ++++++++++++++++++++------------ 3 files changed, 68 insertions(+), 21 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 96c9179ca35..27123568dd5 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,10 @@ +Wed Nov 17 09:43:31 1993 Kung Hsu (kung@cirdan.cygnus.com) + + * valops.c (typecmp): improve prototype matching when calling + a method. Make 'p (*(ostream *) &cout) << "lll" ' to work. + * eval.c(evalute_subexp): fix operator search problem when call + like p x.'operator+'(i). + Tue Nov 16 17:15:03 1993 Stu Grossman (grossman at cygnus.com) * i386ly-nat.c, i386lynx-nat.c, m68kly-nat.c: Remove. Move diff --git a/gdb/eval.c b/gdb/eval.c index 4aba99f777b..a5a831569b2 100644 --- a/gdb/eval.c +++ b/gdb/eval.c @@ -24,6 +24,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "expression.h" #include "target.h" #include "frame.h" +#include "demangle.h" #include "language.h" /* For CAST_IS_CONVERSION */ /* Values of NOSIDE argument to eval_subexp. */ @@ -163,8 +164,8 @@ evaluate_subexp (expect_type, exp, pos, noside) { enum exp_opcode op; int tem, tem2, tem3; - register int pc, pc2, oldpos; - register value arg1, arg2, arg3; + register int pc, pc2 = 0, oldpos; + register value arg1 = NULL, arg2 = NULL, arg3; struct type *type; int nargs; value *argvec; @@ -202,7 +203,7 @@ evaluate_subexp (expect_type, exp, pos, noside) goto nosideret; if (noside == EVAL_AVOID_SIDE_EFFECTS) { - struct symbol * sym = exp->elts[pc + 1].symbol; + struct symbol * sym = exp->elts[pc + 2].symbol; enum lval_type lv; switch (SYMBOL_CLASS (sym)) @@ -416,19 +417,50 @@ evaluate_subexp (expect_type, exp, pos, noside) { int static_memfuncp; value temp = arg2; + char tstr[15], mangle_tstr[15], *ptr, *mangle_ptr; + char *pp; argvec[1] = arg2; - argvec[0] = - value_struct_elt (&temp, argvec+1, &exp->elts[pc2 + 2].string, + argvec[0] = 0; + strcpy(tstr, &exp->elts[pc2+2].string); + if (!strncmp(tstr, "operator", 8)) + { + ptr = &tstr[8]; + strcpy(mangle_tstr, "__"); + mangle_ptr = &mangle_tstr[2]; + pp = cplus_mangle_opname(ptr, DMGL_ANSI); + if (pp) + strcpy(mangle_ptr, pp); + else + strcpy(mangle_ptr, ptr); + argvec[0] = + value_struct_elt (&temp, argvec+1, mangle_tstr, &static_memfuncp, op == STRUCTOP_STRUCT ? "structure" : "structure pointer"); - if (VALUE_OFFSET (temp)) + if (!argvec[0]) + { + pp = cplus_mangle_opname(ptr, DMGL_NO_OPTS); + if (pp) + strcpy(mangle_ptr, pp); + else + strcpy(mangle_ptr, ptr); + strcpy(tstr, mangle_tstr); + } + } + if (!argvec[0]) { - arg2 = value_from_longest (lookup_pointer_type (VALUE_TYPE (temp)), - VALUE_ADDRESS (temp)+VALUE_OFFSET (temp)); - argvec[1] = arg2; + temp = arg2; + argvec[0] = + value_struct_elt (&temp, argvec+1, tstr, + &static_memfuncp, + op == STRUCTOP_STRUCT + ? "structure" : "structure pointer"); } + arg2 = value_from_longest (lookup_pointer_type(VALUE_TYPE (temp)), + VALUE_ADDRESS (temp)+VALUE_OFFSET (temp)); + argvec[1] = arg2; + if (static_memfuncp) { argvec[1] = argvec[0]; diff --git a/gdb/valops.c b/gdb/valops.c index ebddb5b90b4..52f3bc450e9 100644 --- a/gdb/valops.c +++ b/gdb/valops.c @@ -1278,21 +1278,27 @@ typecmp (staticp, t1, t2) if (t1[!staticp] == 0) return 0; for (i = !staticp; t1[i] && TYPE_CODE (t1[i]) != TYPE_CODE_VOID; i++) { + struct type *tt1, *tt2; if (! t2[i]) return i+1; - if (TYPE_CODE (t1[i]) == TYPE_CODE_REF + tt1 = t1[i]; + tt2 = VALUE_TYPE(t2[i]); + if (TYPE_CODE (tt1) == TYPE_CODE_REF /* We should be doing hairy argument matching, as below. */ - && (TYPE_CODE (TYPE_TARGET_TYPE (t1[i])) - == TYPE_CODE (VALUE_TYPE (t2[i])))) + && (TYPE_CODE (TYPE_TARGET_TYPE (tt1)) == TYPE_CODE (tt2))) { t2[i] = value_addr (t2[i]); continue; } - if (TYPE_CODE (t1[i]) == TYPE_CODE_PTR - && TYPE_CODE (VALUE_TYPE (t2[i])) == TYPE_CODE_ARRAY) - /* Array to pointer is a `trivial conversion' according to the ARM. */ - continue; + while (TYPE_CODE (tt1) == TYPE_CODE_PTR + && (TYPE_CODE(tt2)==TYPE_CODE_ARRAY || TYPE_CODE(tt2)==TYPE_CODE_PTR)) + { + tt1 = TYPE_TARGET_TYPE(tt1); + tt2 = TYPE_TARGET_TYPE(tt2); + } + if (TYPE_CODE(tt1) == TYPE_CODE(tt2)) continue; + /* Array to pointer is a `trivial conversion' according to the ARM. */ /* We should be doing much hairier argument matching (see section 13.2 of the ARM), but as a quick kludge, just check for the same type @@ -1400,6 +1406,7 @@ search_struct_method (name, arg1p, args, offset, static_memfuncp, type) register struct type *type; { int i; + value v; static int name_matched = 0; check_stub_type (type); @@ -1425,7 +1432,8 @@ search_struct_method (name, arg1p, args, offset, static_memfuncp, type) return (value)value_virtual_fn_field (arg1p, f, j, type, offset); if (TYPE_FN_FIELD_STATIC_P (f, j) && static_memfuncp) *static_memfuncp = 1; - return (value)value_fn_field (arg1p, f, j, type, offset); + v = (value)value_fn_field (arg1p, f, j, type, offset); + if (v != (value)NULL) return v; } j--; } @@ -1434,7 +1442,6 @@ search_struct_method (name, arg1p, args, offset, static_memfuncp, type) for (i = TYPE_N_BASECLASSES (type) - 1; i >= 0; i--) { - value v; int base_offset; if (BASETYPE_VIA_VIRTUAL (type, i)) @@ -1547,9 +1554,10 @@ value_struct_elt (argp, args, name, static_memfuncp, err) if (!args[1]) { /* destructors are a special case. */ - return (value)value_fn_field (NULL, TYPE_FN_FIELDLIST1 (t, 0), - TYPE_FN_FIELDLIST_LENGTH (t, 0), - 0, 0); + v = (value)value_fn_field (NULL, TYPE_FN_FIELDLIST1 (t, 0), + TYPE_FN_FIELDLIST_LENGTH (t, 0), 0, 0); + if (!v) error("could not find destructor function named %s.", name); + else return v; } else { -- 2.30.2