X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Feval.c;h=3bcd417354ed2c04c99d97980cafc991643149e8;hb=d62d0f5fc2156db337ac3cbbc3c05ca76565dbd3;hp=27b78956465adfd797928f90295abebd24d1a02f;hpb=4e8f195d9dd0be6a5caf9349883db5a531aabd5f;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/eval.c b/gdb/eval.c index 27b7895646..3bcd417354 100644 --- a/gdb/eval.c +++ b/gdb/eval.c @@ -696,6 +696,8 @@ evaluate_subexp_standard (struct type *expect_type, long mem_offset; struct type **arg_types; int save_pos1; + struct symbol *function = NULL; + char *function_name = NULL; pc = (*pos)++; op = exp->elts[pc].opcode; @@ -1410,6 +1412,47 @@ evaluate_subexp_standard (struct type *expect_type, /* Now, say which argument to start evaluating from */ tem = 2; } + else if (op == OP_SCOPE + && overload_resolution + && (exp->language_defn->la_language == language_cplus)) + { + /* Unpack it locally so we can properly handle overload + resolution. */ + struct type *qual_type; + char *name; + int local_tem; + + pc2 = (*pos)++; + local_tem = longest_to_int (exp->elts[pc2 + 2].longconst); + (*pos) += 4 + BYTES_TO_EXP_ELEM (local_tem + 1); + type = exp->elts[pc2 + 1].type; + name = &exp->elts[pc2 + 3].string; + + function = NULL; + function_name = NULL; + if (TYPE_CODE (type) == TYPE_CODE_NAMESPACE) + { + function = cp_lookup_symbol_namespace (TYPE_TAG_NAME (type), + name, + get_selected_block (0), + VAR_DOMAIN, 1); + if (function == NULL) + error (_("No symbol \"%s\" in namespace \"%s\"."), + name, TYPE_TAG_NAME (type)); + + tem = 1; + } + else + { + gdb_assert (TYPE_CODE (type) == TYPE_CODE_STRUCT + || TYPE_CODE (type) == TYPE_CODE_UNION); + function_name = name; + + arg2 = value_zero (type, lval_memory); + ++nargs; + tem = 2; + } + } else { /* Non-method function call */ @@ -1441,15 +1484,22 @@ evaluate_subexp_standard (struct type *expect_type, /* signal end of arglist */ argvec[tem] = 0; - if (op == STRUCTOP_STRUCT || op == STRUCTOP_PTR) + if (op == STRUCTOP_STRUCT || op == STRUCTOP_PTR + || (op == OP_SCOPE && function_name != NULL)) { int static_memfuncp; - char tstr[256]; + char *tstr; /* Method invocation : stuff "this" as first parameter */ argvec[1] = arg2; - /* Name of method from expression */ - strcpy (tstr, &exp->elts[pc2 + 2].string); + + if (op != OP_SCOPE) + { + /* Name of method from expression */ + tstr = &exp->elts[pc2 + 2].string; + } + else + tstr = function_name; if (overload_resolution && (exp->language_defn->la_language == language_cplus)) { @@ -1466,7 +1516,13 @@ evaluate_subexp_standard (struct type *expect_type, &arg2 /* the object */ , NULL, &valp, NULL, &static_memfuncp); - + if (op == OP_SCOPE && !static_memfuncp) + { + /* For the time being, we don't handle this. */ + error (_("Call to overloaded function %s requires " + "`this' pointer"), + function_name); + } argvec[1] = arg2; /* the ``this'' pointer */ argvec[0] = valp; /* use the method found after overload resolution */ } @@ -1499,7 +1555,7 @@ evaluate_subexp_standard (struct type *expect_type, argvec[1] = arg2; argvec[0] = arg1; } - else if (op == OP_VAR_VALUE) + else if (op == OP_VAR_VALUE || (op == OP_SCOPE && function != NULL)) { /* Non-member function being called */ /* fn: This can only be done for C++ functions. A C-style function @@ -1511,6 +1567,9 @@ evaluate_subexp_standard (struct type *expect_type, /* Language is C++, do some overload resolution before evaluation */ struct symbol *symp; + if (op == OP_VAR_VALUE) + function = exp->elts[save_pos1+2].symbol; + /* Prepare list of argument types for overload resolution */ arg_types = (struct type **) alloca (nargs * (sizeof (struct type *))); for (ix = 1; ix <= nargs; ix++) @@ -1518,12 +1577,18 @@ evaluate_subexp_standard (struct type *expect_type, (void) find_overload_match (arg_types, nargs, NULL /* no need for name */ , 0 /* not method */ , 0 /* strict match */ , - NULL, exp->elts[save_pos1+2].symbol /* the function */ , + NULL, function /* the function */ , NULL, &symp, NULL); - /* Now fix the expression being evaluated */ - exp->elts[save_pos1+2].symbol = symp; - argvec[0] = evaluate_subexp_with_coercion (exp, &save_pos1, noside); + if (op == OP_VAR_VALUE) + { + /* Now fix the expression being evaluated */ + exp->elts[save_pos1+2].symbol = symp; + argvec[0] = evaluate_subexp_with_coercion (exp, &save_pos1, + noside); + } + else + argvec[0] = value_of_variable (symp, get_selected_block (0)); } else { @@ -2629,7 +2694,7 @@ evaluate_subexp_for_address (struct expression *exp, int *pos, goto default_case_after_eval; } - return x; + return coerce_array (x); case UNOP_MEMVAL: (*pos) += 3;