X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fexpprint.c;h=e228beb83a59bb9f52bb6f8f4fd1d94602f4f920;hb=c04da66c264162e6efc37686c0e4ee46c5b048ab;hp=d7d7c871bddd022e248f7620550eb3dbd9ae3cb4;hpb=6d81691950f8c4be4a49a85a672255c140e82468;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/expprint.c b/gdb/expprint.c index d7d7c871bd..e228beb83a 100644 --- a/gdb/expprint.c +++ b/gdb/expprint.c @@ -1,6 +1,6 @@ /* Print in infix form a struct expression. - Copyright (C) 1986-2020 Free Software Foundation, Inc. + Copyright (C) 1986-2021 Free Software Foundation, Inc. This file is part of GDB. @@ -30,685 +30,17 @@ #include "objfiles.h" #include "valprint.h" #include "cli/cli-style.h" +#include "c-lang.h" +#include "expop.h" +#include "ada-exp.h" #include -void -print_expression (struct expression *exp, struct ui_file *stream) -{ - int pc = 0; - - print_subexp (exp, &pc, stream, PREC_NULL); -} - -/* Print the subexpression of EXP that starts in position POS, on STREAM. - PREC is the precedence of the surrounding operator; - if the precedence of the main operator of this subexpression is less, - parentheses are needed here. */ - -void -print_subexp (struct expression *exp, int *pos, - struct ui_file *stream, enum precedence prec) -{ - exp->language_defn->expression_ops ()->print_subexp (exp, pos, stream, - prec); -} - -/* See parser-defs.h. */ - -void -print_subexp_funcall (struct expression *exp, int *pos, - struct ui_file *stream) -{ - (*pos) += 2; - unsigned nargs = longest_to_int (exp->elts[*pos].longconst); - print_subexp (exp, pos, stream, PREC_SUFFIX); - fputs_filtered (" (", stream); - for (unsigned tem = 0; tem < nargs; tem++) - { - if (tem != 0) - fputs_filtered (", ", stream); - print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); - } - fputs_filtered (")", stream); -} - -/* Standard implementation of print_subexp for use in language_defn - vectors. */ -void -print_subexp_standard (struct expression *exp, int *pos, - struct ui_file *stream, enum precedence prec) -{ - unsigned tem; - const struct op_print *op_print_tab; - int pc; - unsigned nargs; - const char *op_str; - int assign_modify = 0; - enum exp_opcode opcode; - enum precedence myprec = PREC_NULL; - /* Set to 1 for a right-associative operator. */ - int assoc = 0; - struct value *val; - char *tempstr = NULL; - - op_print_tab = exp->language_defn->opcode_print_table (); - pc = (*pos)++; - opcode = exp->elts[pc].opcode; - switch (opcode) - { - /* Common ops */ - - case OP_TYPE: - (*pos) += 2; - type_print (exp->elts[pc + 1].type, "", stream, 0); - return; - - case OP_SCOPE: - myprec = PREC_PREFIX; - assoc = 0; - fputs_filtered (exp->elts[pc + 1].type->name (), stream); - fputs_filtered ("::", stream); - nargs = longest_to_int (exp->elts[pc + 2].longconst); - (*pos) += 4 + BYTES_TO_EXP_ELEM (nargs + 1); - fputs_filtered (&exp->elts[pc + 3].string, stream); - return; - - case OP_LONG: - { - struct value_print_options opts; - - get_no_prettyformat_print_options (&opts); - (*pos) += 3; - value_print (value_from_longest (exp->elts[pc + 1].type, - exp->elts[pc + 2].longconst), - stream, &opts); - } - return; - - case OP_FLOAT: - { - struct value_print_options opts; - - get_no_prettyformat_print_options (&opts); - (*pos) += 3; - value_print (value_from_contents (exp->elts[pc + 1].type, - exp->elts[pc + 2].floatconst), - stream, &opts); - } - return; - - case OP_VAR_VALUE: - { - const struct block *b; - - (*pos) += 3; - b = exp->elts[pc + 1].block; - if (b != NULL - && BLOCK_FUNCTION (b) != NULL - && BLOCK_FUNCTION (b)->print_name () != NULL) - { - fputs_filtered (BLOCK_FUNCTION (b)->print_name (), stream); - fputs_filtered ("::", stream); - } - fputs_filtered (exp->elts[pc + 2].symbol->print_name (), stream); - } - return; - - case OP_VAR_MSYM_VALUE: - { - (*pos) += 3; - fputs_filtered (exp->elts[pc + 2].msymbol->print_name (), stream); - } - return; - - case OP_FUNC_STATIC_VAR: - { - tem = longest_to_int (exp->elts[pc + 1].longconst); - (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); - fputs_filtered (&exp->elts[pc + 1].string, stream); - } - return; - - case OP_VAR_ENTRY_VALUE: - { - (*pos) += 2; - fprintf_filtered (stream, "%s@entry", - exp->elts[pc + 1].symbol->print_name ()); - } - return; - - case OP_LAST: - (*pos) += 2; - fprintf_filtered (stream, "$%d", - longest_to_int (exp->elts[pc + 1].longconst)); - return; - - case OP_REGISTER: - { - const char *name = &exp->elts[pc + 2].string; - - (*pos) += 3 + BYTES_TO_EXP_ELEM (exp->elts[pc + 1].longconst + 1); - fprintf_filtered (stream, "$%s", name); - return; - } - - case OP_BOOL: - (*pos) += 2; - fprintf_filtered (stream, "%s", - longest_to_int (exp->elts[pc + 1].longconst) - ? "TRUE" : "FALSE"); - return; - - case OP_INTERNALVAR: - (*pos) += 2; - fprintf_filtered (stream, "$%s", - internalvar_name (exp->elts[pc + 1].internalvar)); - return; - - case OP_FUNCALL: - print_subexp_funcall (exp, pos, stream); - return; - - case OP_NAME: - nargs = longest_to_int (exp->elts[pc + 1].longconst); - (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1); - fputs_filtered (&exp->elts[pc + 2].string, stream); - return; - - case OP_STRING: - { - struct value_print_options opts; - - nargs = longest_to_int (exp->elts[pc + 1].longconst); - (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1); - /* LA_PRINT_STRING will print using the current repeat count threshold. - If necessary, we can temporarily set it to zero, or pass it as an - additional parameter to LA_PRINT_STRING. -fnf */ - get_user_print_options (&opts); - LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char, - (gdb_byte *) &exp->elts[pc + 2].string, nargs, - NULL, 0, &opts); - } - return; - - case OP_OBJC_NSSTRING: /* Objective-C Foundation Class - NSString constant. */ - { - struct value_print_options opts; - - nargs = longest_to_int (exp->elts[pc + 1].longconst); - (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1); - fputs_filtered ("@\"", stream); - get_user_print_options (&opts); - LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char, - (gdb_byte *) &exp->elts[pc + 2].string, nargs, - NULL, 0, &opts); - fputs_filtered ("\"", stream); - } - return; - - case OP_OBJC_MSGCALL: - { /* Objective C message (method) call. */ - (*pos) += 3; - nargs = longest_to_int (exp->elts[pc + 2].longconst); - fprintf_unfiltered (stream, "["); - print_subexp (exp, pos, stream, PREC_SUFFIX); - gdb::unique_xmalloc_ptr selector - = target_read_string (exp->elts[pc + 1].longconst, 1024); - if (selector == nullptr) - error (_("bad selector")); - if (nargs) - { - char *s, *nextS; - - s = selector.get (); - for (tem = 0; tem < nargs; tem++) - { - nextS = strchr (s, ':'); - gdb_assert (nextS); /* Make sure we found ':'. */ - *nextS = '\0'; - fprintf_unfiltered (stream, " %s: ", s); - s = nextS + 1; - print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); - } - } - else - { - fprintf_unfiltered (stream, " %s", selector.get ()); - } - fprintf_unfiltered (stream, "]"); - return; - } - - case OP_ARRAY: - (*pos) += 3; - nargs = longest_to_int (exp->elts[pc + 2].longconst); - nargs -= longest_to_int (exp->elts[pc + 1].longconst); - nargs++; - tem = 0; - if (exp->elts[pc + 4].opcode == OP_LONG - && exp->elts[pc + 5].type - == builtin_type (exp->gdbarch)->builtin_char - && exp->language_defn->la_language == language_c) - { - /* Attempt to print C character arrays using string syntax. - Walk through the args, picking up one character from each - of the OP_LONG expression elements. If any array element - does not match our expection of what we should find for - a simple string, revert back to array printing. Note that - the last expression element is an explicit null terminator - byte, which doesn't get printed. */ - tempstr = (char *) alloca (nargs); - pc += 4; - while (tem < nargs) - { - if (exp->elts[pc].opcode != OP_LONG - || exp->elts[pc + 1].type - != builtin_type (exp->gdbarch)->builtin_char) - { - /* Not a simple array of char, use regular array - printing. */ - tem = 0; - break; - } - else - { - tempstr[tem++] = - longest_to_int (exp->elts[pc + 2].longconst); - pc += 4; - } - } - } - if (tem > 0) - { - struct value_print_options opts; - - get_user_print_options (&opts); - LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char, - (gdb_byte *) tempstr, nargs - 1, NULL, 0, &opts); - (*pos) = pc; - } - else - { - fputs_filtered (" {", stream); - for (tem = 0; tem < nargs; tem++) - { - if (tem != 0) - { - fputs_filtered (", ", stream); - } - print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); - } - fputs_filtered ("}", stream); - } - return; - - case TERNOP_COND: - if ((int) prec > (int) PREC_COMMA) - fputs_filtered ("(", stream); - /* Print the subexpressions, forcing parentheses - around any binary operations within them. - This is more parentheses than are strictly necessary, - but it looks clearer. */ - print_subexp (exp, pos, stream, PREC_HYPER); - fputs_filtered (" ? ", stream); - print_subexp (exp, pos, stream, PREC_HYPER); - fputs_filtered (" : ", stream); - print_subexp (exp, pos, stream, PREC_HYPER); - if ((int) prec > (int) PREC_COMMA) - fputs_filtered (")", stream); - return; - - case TERNOP_SLICE: - print_subexp (exp, pos, stream, PREC_SUFFIX); - fputs_filtered ("(", stream); - print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); - fputs_filtered (opcode == TERNOP_SLICE ? " : " : " UP ", stream); - print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); - fputs_filtered (")", stream); - return; - - case STRUCTOP_STRUCT: - tem = longest_to_int (exp->elts[pc + 1].longconst); - (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); - print_subexp (exp, pos, stream, PREC_SUFFIX); - fputs_filtered (".", stream); - fputs_filtered (&exp->elts[pc + 2].string, stream); - return; - - /* Will not occur for Modula-2. */ - case STRUCTOP_PTR: - tem = longest_to_int (exp->elts[pc + 1].longconst); - (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); - print_subexp (exp, pos, stream, PREC_SUFFIX); - fputs_filtered ("->", stream); - fputs_filtered (&exp->elts[pc + 2].string, stream); - return; - - case STRUCTOP_MEMBER: - print_subexp (exp, pos, stream, PREC_SUFFIX); - fputs_filtered (".*", stream); - print_subexp (exp, pos, stream, PREC_SUFFIX); - return; - - case STRUCTOP_MPTR: - print_subexp (exp, pos, stream, PREC_SUFFIX); - fputs_filtered ("->*", stream); - print_subexp (exp, pos, stream, PREC_SUFFIX); - return; - - case BINOP_SUBSCRIPT: - print_subexp (exp, pos, stream, PREC_SUFFIX); - fputs_filtered ("[", stream); - print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); - fputs_filtered ("]", stream); - return; - - case UNOP_POSTINCREMENT: - print_subexp (exp, pos, stream, PREC_SUFFIX); - fputs_filtered ("++", stream); - return; - - case UNOP_POSTDECREMENT: - print_subexp (exp, pos, stream, PREC_SUFFIX); - fputs_filtered ("--", stream); - return; - - case UNOP_CAST: - (*pos) += 2; - if ((int) prec > (int) PREC_PREFIX) - fputs_filtered ("(", stream); - fputs_filtered ("(", stream); - type_print (exp->elts[pc + 1].type, "", stream, 0); - fputs_filtered (") ", stream); - print_subexp (exp, pos, stream, PREC_PREFIX); - if ((int) prec > (int) PREC_PREFIX) - fputs_filtered (")", stream); - return; - - case UNOP_CAST_TYPE: - if ((int) prec > (int) PREC_PREFIX) - fputs_filtered ("(", stream); - fputs_filtered ("(", stream); - print_subexp (exp, pos, stream, PREC_PREFIX); - fputs_filtered (") ", stream); - print_subexp (exp, pos, stream, PREC_PREFIX); - if ((int) prec > (int) PREC_PREFIX) - fputs_filtered (")", stream); - return; - - case UNOP_DYNAMIC_CAST: - case UNOP_REINTERPRET_CAST: - fputs_filtered (opcode == UNOP_DYNAMIC_CAST ? "dynamic_cast" - : "reinterpret_cast", stream); - fputs_filtered ("<", stream); - print_subexp (exp, pos, stream, PREC_PREFIX); - fputs_filtered ("> (", stream); - print_subexp (exp, pos, stream, PREC_PREFIX); - fputs_filtered (")", stream); - return; - - case UNOP_MEMVAL: - (*pos) += 2; - if ((int) prec > (int) PREC_PREFIX) - fputs_filtered ("(", stream); - if (exp->elts[pc + 1].type->code () == TYPE_CODE_FUNC - && exp->elts[pc + 3].opcode == OP_LONG) - { - struct value_print_options opts; - - /* We have a minimal symbol fn, probably. It's encoded - as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address). - Swallow the OP_LONG (including both its opcodes); ignore - its type; print the value in the type of the MEMVAL. */ - (*pos) += 4; - val = value_at_lazy (exp->elts[pc + 1].type, - (CORE_ADDR) exp->elts[pc + 5].longconst); - get_no_prettyformat_print_options (&opts); - value_print (val, stream, &opts); - } - else - { - fputs_filtered ("{", stream); - type_print (exp->elts[pc + 1].type, "", stream, 0); - fputs_filtered ("} ", stream); - print_subexp (exp, pos, stream, PREC_PREFIX); - } - if ((int) prec > (int) PREC_PREFIX) - fputs_filtered (")", stream); - return; - - case UNOP_MEMVAL_TYPE: - if ((int) prec > (int) PREC_PREFIX) - fputs_filtered ("(", stream); - fputs_filtered ("{", stream); - print_subexp (exp, pos, stream, PREC_PREFIX); - fputs_filtered ("} ", stream); - print_subexp (exp, pos, stream, PREC_PREFIX); - if ((int) prec > (int) PREC_PREFIX) - fputs_filtered (")", stream); - return; - - case BINOP_ASSIGN_MODIFY: - opcode = exp->elts[pc + 1].opcode; - (*pos) += 2; - myprec = PREC_ASSIGN; - assoc = 1; - assign_modify = 1; - op_str = "???"; - for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) - if (op_print_tab[tem].opcode == opcode) - { - op_str = op_print_tab[tem].string; - break; - } - if (op_print_tab[tem].opcode != opcode) - /* Not found; don't try to keep going because we don't know how - to interpret further elements. */ - error (_("Invalid expression")); - break; - - /* C++ ops */ - - case OP_THIS: - ++(*pos); - if (exp->language_defn->name_of_this () != NULL) - fputs_filtered (exp->language_defn->name_of_this (), stream); - else - fprintf_styled (stream, metadata_style.style (), - _(""), - exp->language_defn->name ()); - return; - - /* Modula-2 ops */ - - case MULTI_SUBSCRIPT: - (*pos) += 2; - nargs = longest_to_int (exp->elts[pc + 1].longconst); - print_subexp (exp, pos, stream, PREC_SUFFIX); - fprintf_unfiltered (stream, " ["); - for (tem = 0; tem < nargs; tem++) - { - if (tem != 0) - fprintf_unfiltered (stream, ", "); - print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); - } - fprintf_unfiltered (stream, "]"); - return; - - case BINOP_VAL: - (*pos) += 2; - fprintf_unfiltered (stream, "VAL("); - type_print (exp->elts[pc + 1].type, "", stream, 0); - fprintf_unfiltered (stream, ","); - print_subexp (exp, pos, stream, PREC_PREFIX); - fprintf_unfiltered (stream, ")"); - return; - - case TYPE_INSTANCE: - { - type_instance_flags flags - = (type_instance_flag_value) longest_to_int (exp->elts[pc + 1].longconst); - LONGEST count = exp->elts[pc + 2].longconst; - - /* The FLAGS. */ - (*pos)++; - /* The COUNT. */ - (*pos)++; - fputs_unfiltered ("TypeInstance(", stream); - while (count-- > 0) - { - type_print (exp->elts[(*pos)++].type, "", stream, 0); - if (count > 0) - fputs_unfiltered (",", stream); - } - fputs_unfiltered (",", stream); - /* Ending COUNT and ending TYPE_INSTANCE. */ - (*pos) += 2; - print_subexp (exp, pos, stream, PREC_PREFIX); - - if (flags & TYPE_INSTANCE_FLAG_CONST) - fputs_unfiltered (",const", stream); - if (flags & TYPE_INSTANCE_FLAG_VOLATILE) - fputs_unfiltered (",volatile", stream); - - fputs_unfiltered (")", stream); - return; - } - - case OP_RANGE: - { - enum range_type range_type; - - range_type = (enum range_type) - longest_to_int (exp->elts[pc + 1].longconst); - *pos += 2; - - if (range_type == NONE_BOUND_DEFAULT_EXCLUSIVE - || range_type == LOW_BOUND_DEFAULT_EXCLUSIVE) - fputs_filtered ("EXCLUSIVE_", stream); - fputs_filtered ("RANGE(", stream); - if (range_type == HIGH_BOUND_DEFAULT - || range_type == NONE_BOUND_DEFAULT - || range_type == NONE_BOUND_DEFAULT_EXCLUSIVE) - print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); - fputs_filtered ("..", stream); - if (range_type == LOW_BOUND_DEFAULT - || range_type == NONE_BOUND_DEFAULT) - print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); - fputs_filtered (")", stream); - return; - } - - /* Default ops */ - - default: - op_str = "???"; - for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) - if (op_print_tab[tem].opcode == opcode) - { - op_str = op_print_tab[tem].string; - myprec = op_print_tab[tem].precedence; - assoc = op_print_tab[tem].right_assoc; - break; - } - if (op_print_tab[tem].opcode != opcode) - /* Not found; don't try to keep going because we don't know how - to interpret further elements. For example, this happens - if opcode is OP_TYPE. */ - error (_("Invalid expression")); - } - - /* Note that PREC_BUILTIN will always emit parentheses. */ - if ((int) myprec < (int) prec) - fputs_filtered ("(", stream); - if ((int) opcode > (int) BINOP_END) - { - if (assoc) - { - /* Unary postfix operator. */ - print_subexp (exp, pos, stream, PREC_SUFFIX); - fputs_filtered (op_str, stream); - } - else - { - /* Unary prefix operator. */ - fputs_filtered (op_str, stream); - if (myprec == PREC_BUILTIN_FUNCTION) - fputs_filtered ("(", stream); - print_subexp (exp, pos, stream, PREC_PREFIX); - if (myprec == PREC_BUILTIN_FUNCTION) - fputs_filtered (")", stream); - } - } - else - { - /* Binary operator. */ - /* Print left operand. - If operator is right-associative, - increment precedence for this operand. */ - print_subexp (exp, pos, stream, - (enum precedence) ((int) myprec + assoc)); - /* Print the operator itself. */ - if (assign_modify) - fprintf_filtered (stream, " %s= ", op_str); - else if (op_str[0] == ',') - fprintf_filtered (stream, "%s ", op_str); - else - fprintf_filtered (stream, " %s ", op_str); - /* Print right operand. - If operator is left-associative, - increment precedence for this operand. */ - print_subexp (exp, pos, stream, - (enum precedence) ((int) myprec + !assoc)); - } - - if ((int) myprec < (int) prec) - fputs_filtered (")", stream); -} - -/* Return the operator corresponding to opcode OP as - a string. NULL indicates that the opcode was not found in the - current language table. */ -const char * -op_string (enum exp_opcode op) -{ - int tem; - const struct op_print *op_print_tab; - - op_print_tab = current_language->opcode_print_table (); - for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) - if (op_print_tab[tem].opcode == op) - return op_print_tab[tem].string; - return NULL; -} - -/* Support for dumping the raw data from expressions in a human readable - form. */ - -static int dump_subexp_body (struct expression *exp, struct ui_file *, int); - -/* Name for OPCODE, when it appears in expression EXP. */ - -const char * -op_name (struct expression *exp, enum exp_opcode opcode) -{ - if (opcode >= OP_UNUSED_LAST) - { - char *cell = get_print_cell (); - xsnprintf (cell, PRINT_CELL_SIZE, "unknown opcode: %u", - unsigned (opcode)); - return cell; - } - return exp->language_defn->expression_ops ()->op_name (opcode); -} - /* Default name for the standard operator OPCODE (i.e., one defined in the definition of enum exp_opcode). */ const char * -op_name_standard (enum exp_opcode opcode) +op_name (enum exp_opcode opcode) { switch (opcode) { @@ -727,458 +59,139 @@ op_name_standard (enum exp_opcode opcode) } } -/* Print a raw dump of expression EXP to STREAM. - NOTE, if non-NULL, is printed as extra explanatory text. */ - void -dump_raw_expression (struct expression *exp, struct ui_file *stream, - const char *note) +dump_prefix_expression (struct expression *exp, struct ui_file *stream) { - int elt; - char *eltscan; - int eltsize; - - fprintf_filtered (stream, "Dump of expression @ "); - gdb_print_host_address (exp, stream); - if (note) - fprintf_filtered (stream, ", %s:", note); - fprintf_filtered (stream, "\n\tLanguage %s, %d elements, %ld bytes each.\n", - exp->language_defn->name (), exp->nelts, - (long) sizeof (union exp_element)); - fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode", - "Hex Value", "String Value"); - for (elt = 0; elt < exp->nelts; elt++) - { - fprintf_filtered (stream, "\t%5d ", elt); - - const char *opcode_name = op_name (exp, exp->elts[elt].opcode); - fprintf_filtered (stream, "%20s ", opcode_name); + exp->op->dump (stream, 0); +} - print_longest (stream, 'd', 0, exp->elts[elt].longconst); - fprintf_filtered (stream, " "); +namespace expr +{ - for (eltscan = (char *) &exp->elts[elt], - eltsize = sizeof (union exp_element); - eltsize-- > 0; - eltscan++) - { - fprintf_filtered (stream, "%c", - isprint (*eltscan) ? (*eltscan & 0xFF) : '.'); - } - fprintf_filtered (stream, "\n"); - } +void +dump_for_expression (struct ui_file *stream, int depth, enum exp_opcode op) +{ + fprintf_filtered (stream, _("%*sOperation: %s\n"), depth, "", op_name (op)); } -/* Dump the subexpression of prefix expression EXP whose operator is at - position ELT onto STREAM. Returns the position of the next - subexpression in EXP. */ - -int -dump_subexp (struct expression *exp, struct ui_file *stream, int elt) +void +dump_for_expression (struct ui_file *stream, int depth, const std::string &str) { - static int indent = 0; - int i; + fprintf_filtered (stream, _("%*sString: %s\n"), depth, "", str.c_str ()); +} +void +dump_for_expression (struct ui_file *stream, int depth, struct type *type) +{ + fprintf_filtered (stream, _("%*sType: "), depth, ""); + type_print (type, nullptr, stream, 0); fprintf_filtered (stream, "\n"); - fprintf_filtered (stream, "\t%5d ", elt); - - for (i = 1; i <= indent; i++) - fprintf_filtered (stream, " "); - indent += 2; - - fprintf_filtered (stream, "%-20s ", op_name (exp, exp->elts[elt].opcode)); - - elt = dump_subexp_body (exp, stream, elt); - - indent -= 2; - - return elt; } -/* Dump the operands of prefix expression EXP whose opcode is at - position ELT onto STREAM. Returns the position of the next - subexpression in EXP. */ - -static int -dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt) +void +dump_for_expression (struct ui_file *stream, int depth, CORE_ADDR addr) { - return exp->language_defn->expression_ops ()->dump_subexp_body (exp, stream, - elt); + fprintf_filtered (stream, _("%*sConstant: %s\n"), depth, "", + core_addr_to_string (addr)); } -/* See parser-defs.h. */ - -int -dump_subexp_body_funcall (struct expression *exp, - struct ui_file *stream, int elt) +void +dump_for_expression (struct ui_file *stream, int depth, internalvar *ivar) { - int nargs = longest_to_int (exp->elts[elt].longconst); - fprintf_filtered (stream, "Number of args: %d", nargs); - elt += 2; + fprintf_filtered (stream, _("%*sInternalvar: $%s\n"), depth, "", + internalvar_name (ivar)); +} - for (int i = 1; i <= nargs + 1; i++) - elt = dump_subexp (exp, stream, elt); +void +dump_for_expression (struct ui_file *stream, int depth, symbol *sym) +{ + fprintf_filtered (stream, _("%*sSymbol: %s\n"), depth, "", + sym->print_name ()); +} - return elt; +void +dump_for_expression (struct ui_file *stream, int depth, + bound_minimal_symbol msym) +{ + fprintf_filtered (stream, _("%*sMinsym %s in objfile %s\n"), depth, "", + msym.minsym->print_name (), objfile_name (msym.objfile)); } -/* Default value for subexp_body in exp_descriptor vector. */ +void +dump_for_expression (struct ui_file *stream, int depth, const block *bl) +{ + fprintf_filtered (stream, _("%*sBlock: %p\n"), depth, "", bl); +} -int -dump_subexp_body_standard (struct expression *exp, - struct ui_file *stream, int elt) +void +dump_for_expression (struct ui_file *stream, int depth, + type_instance_flags flags) { - int opcode = exp->elts[elt++].opcode; + fprintf_filtered (stream, _("%*sType flags: "), depth, ""); + if (flags & TYPE_INSTANCE_FLAG_CONST) + fputs_unfiltered ("const ", stream); + if (flags & TYPE_INSTANCE_FLAG_VOLATILE) + fputs_unfiltered ("volatile", stream); + fprintf_filtered (stream, "\n"); +} - switch (opcode) +void +dump_for_expression (struct ui_file *stream, int depth, + enum c_string_type_values flags) +{ + fprintf_filtered (stream, _("%*sC string flags: "), depth, ""); + switch (flags & ~C_CHAR) { - case TERNOP_COND: - case TERNOP_SLICE: - elt = dump_subexp (exp, stream, elt); - /* FALL THROUGH */ - case BINOP_ADD: - case BINOP_SUB: - case BINOP_MUL: - case BINOP_DIV: - case BINOP_REM: - case BINOP_MOD: - case BINOP_LSH: - case BINOP_RSH: - case BINOP_LOGICAL_AND: - case BINOP_LOGICAL_OR: - case BINOP_BITWISE_AND: - case BINOP_BITWISE_IOR: - case BINOP_BITWISE_XOR: - case BINOP_EQUAL: - case BINOP_NOTEQUAL: - case BINOP_LESS: - case BINOP_GTR: - case BINOP_LEQ: - case BINOP_GEQ: - case BINOP_REPEAT: - case BINOP_ASSIGN: - case BINOP_COMMA: - case BINOP_SUBSCRIPT: - case BINOP_EXP: - case BINOP_MIN: - case BINOP_MAX: - case BINOP_INTDIV: - case BINOP_ASSIGN_MODIFY: - case BINOP_VAL: - case BINOP_CONCAT: - case BINOP_END: - case STRUCTOP_MEMBER: - case STRUCTOP_MPTR: - elt = dump_subexp (exp, stream, elt); - /* FALL THROUGH */ - case UNOP_NEG: - case UNOP_LOGICAL_NOT: - case UNOP_COMPLEMENT: - case UNOP_IND: - case UNOP_ADDR: - case UNOP_PREINCREMENT: - case UNOP_POSTINCREMENT: - case UNOP_PREDECREMENT: - case UNOP_POSTDECREMENT: - case UNOP_SIZEOF: - case UNOP_ALIGNOF: - case UNOP_PLUS: - case UNOP_CAP: - case UNOP_CHR: - case UNOP_ORD: - case UNOP_ABS: - case UNOP_FLOAT: - case UNOP_HIGH: - case UNOP_MAX: - case UNOP_MIN: - case UNOP_ODD: - case UNOP_TRUNC: - elt = dump_subexp (exp, stream, elt); - break; - case OP_LONG: - fprintf_filtered (stream, "Type @"); - gdb_print_host_address (exp->elts[elt].type, stream); - fprintf_filtered (stream, " ("); - type_print (exp->elts[elt].type, NULL, stream, 0); - fprintf_filtered (stream, "), value %ld (0x%lx)", - (long) exp->elts[elt + 1].longconst, - (long) exp->elts[elt + 1].longconst); - elt += 3; + case C_WIDE_STRING: + fputs_unfiltered (_("wide "), stream); break; - case OP_FLOAT: - fprintf_filtered (stream, "Type @"); - gdb_print_host_address (exp->elts[elt].type, stream); - fprintf_filtered (stream, " ("); - type_print (exp->elts[elt].type, NULL, stream, 0); - fprintf_filtered (stream, "), value "); - print_floating (exp->elts[elt + 1].floatconst, - exp->elts[elt].type, stream); - elt += 3; + case C_STRING_16: + fputs_unfiltered (_("u16 "), stream); break; - case OP_VAR_VALUE: - fprintf_filtered (stream, "Block @"); - gdb_print_host_address (exp->elts[elt].block, stream); - fprintf_filtered (stream, ", symbol @"); - gdb_print_host_address (exp->elts[elt + 1].symbol, stream); - fprintf_filtered (stream, " (%s)", - exp->elts[elt + 1].symbol->print_name ()); - elt += 3; + case C_STRING_32: + fputs_unfiltered (_("u32 "), stream); break; - case OP_VAR_MSYM_VALUE: - fprintf_filtered (stream, "Objfile @"); - gdb_print_host_address (exp->elts[elt].objfile, stream); - fprintf_filtered (stream, ", msymbol @"); - gdb_print_host_address (exp->elts[elt + 1].msymbol, stream); - fprintf_filtered (stream, " (%s)", - exp->elts[elt + 1].msymbol->print_name ()); - elt += 3; - break; - case OP_VAR_ENTRY_VALUE: - fprintf_filtered (stream, "Entry value of symbol @"); - gdb_print_host_address (exp->elts[elt].symbol, stream); - fprintf_filtered (stream, " (%s)", - exp->elts[elt].symbol->print_name ()); - elt += 2; - break; - case OP_LAST: - fprintf_filtered (stream, "History element %ld", - (long) exp->elts[elt].longconst); - elt += 2; - break; - case OP_REGISTER: - fprintf_filtered (stream, "Register $%s", &exp->elts[elt + 1].string); - elt += 3 + BYTES_TO_EXP_ELEM (exp->elts[elt].longconst + 1); - break; - case OP_INTERNALVAR: - fprintf_filtered (stream, "Internal var @"); - gdb_print_host_address (exp->elts[elt].internalvar, stream); - fprintf_filtered (stream, " (%s)", - internalvar_name (exp->elts[elt].internalvar)); - elt += 2; - break; - case OP_FUNCALL: - elt = dump_subexp_body_funcall (exp, stream, elt); - break; - case OP_ARRAY: - { - int lower, upper; - int i; - - lower = longest_to_int (exp->elts[elt].longconst); - upper = longest_to_int (exp->elts[elt + 1].longconst); - - fprintf_filtered (stream, "Bounds [%d:%d]", lower, upper); - elt += 3; - - for (i = 1; i <= upper - lower + 1; i++) - elt = dump_subexp (exp, stream, elt); - } - break; - case UNOP_DYNAMIC_CAST: - case UNOP_REINTERPRET_CAST: - case UNOP_CAST_TYPE: - case UNOP_MEMVAL_TYPE: - fprintf_filtered (stream, " ("); - elt = dump_subexp (exp, stream, elt); - fprintf_filtered (stream, ")"); - elt = dump_subexp (exp, stream, elt); - break; - case UNOP_MEMVAL: - case UNOP_CAST: - fprintf_filtered (stream, "Type @"); - gdb_print_host_address (exp->elts[elt].type, stream); - fprintf_filtered (stream, " ("); - type_print (exp->elts[elt].type, NULL, stream, 0); - fprintf_filtered (stream, ")"); - elt = dump_subexp (exp, stream, elt + 2); - break; - case OP_TYPE: - fprintf_filtered (stream, "Type @"); - gdb_print_host_address (exp->elts[elt].type, stream); - fprintf_filtered (stream, " ("); - type_print (exp->elts[elt].type, NULL, stream, 0); - fprintf_filtered (stream, ")"); - elt += 2; - break; - case OP_TYPEOF: - case OP_DECLTYPE: - fprintf_filtered (stream, "Typeof ("); - elt = dump_subexp (exp, stream, elt); - fprintf_filtered (stream, ")"); - break; - case OP_TYPEID: - fprintf_filtered (stream, "typeid ("); - elt = dump_subexp (exp, stream, elt); - fprintf_filtered (stream, ")"); - break; - case STRUCTOP_STRUCT: - case STRUCTOP_PTR: - { - char *elem_name; - int len; - - len = longest_to_int (exp->elts[elt].longconst); - elem_name = &exp->elts[elt + 1].string; - - fprintf_filtered (stream, "Element name: `%.*s'", len, elem_name); - elt = dump_subexp (exp, stream, elt + 3 + BYTES_TO_EXP_ELEM (len + 1)); - } - break; - case OP_SCOPE: - { - char *elem_name; - int len; - - fprintf_filtered (stream, "Type @"); - gdb_print_host_address (exp->elts[elt].type, stream); - fprintf_filtered (stream, " ("); - type_print (exp->elts[elt].type, NULL, stream, 0); - fprintf_filtered (stream, ") "); - - len = longest_to_int (exp->elts[elt + 1].longconst); - elem_name = &exp->elts[elt + 2].string; - - fprintf_filtered (stream, "Field name: `%.*s'", len, elem_name); - elt += 4 + BYTES_TO_EXP_ELEM (len + 1); - } - break; - - case OP_FUNC_STATIC_VAR: - { - int len = longest_to_int (exp->elts[elt].longconst); - const char *var_name = &exp->elts[elt + 1].string; - fprintf_filtered (stream, "Field name: `%.*s'", len, var_name); - elt += 3 + BYTES_TO_EXP_ELEM (len + 1); - } - break; - - case TYPE_INSTANCE: - { - type_instance_flags flags - = (type_instance_flag_value) longest_to_int (exp->elts[elt++].longconst); - LONGEST len = exp->elts[elt++].longconst; - fprintf_filtered (stream, "%s TypeInstance: ", plongest (len)); - while (len-- > 0) - { - fprintf_filtered (stream, "Type @"); - gdb_print_host_address (exp->elts[elt].type, stream); - fprintf_filtered (stream, " ("); - type_print (exp->elts[elt].type, NULL, stream, 0); - fprintf_filtered (stream, ")"); - elt++; - if (len > 0) - fputs_filtered (", ", stream); - } - - fprintf_filtered (stream, " Flags: %s (", hex_string (flags)); - bool space = false; - auto print_one = [&] (const char *mod) - { - if (space) - fputs_filtered (" ", stream); - space = true; - fprintf_filtered (stream, "%s", mod); - }; - if (flags & TYPE_INSTANCE_FLAG_CONST) - print_one ("const"); - if (flags & TYPE_INSTANCE_FLAG_VOLATILE) - print_one ("volatile"); - fprintf_filtered (stream, ")"); - - /* Ending LEN and ending TYPE_INSTANCE. */ - elt += 2; - elt = dump_subexp (exp, stream, elt); - } - break; - case OP_STRING: - { - LONGEST len = exp->elts[elt].longconst; - LONGEST type = exp->elts[elt + 1].longconst; - - fprintf_filtered (stream, "Language-specific string type: %s", - plongest (type)); - - /* Skip length. */ - elt += 1; - - /* Skip string content. */ - elt += BYTES_TO_EXP_ELEM (len); - - /* Skip length and ending OP_STRING. */ - elt += 2; - } - break; - case OP_RANGE: - { - enum range_type range_type; - - range_type = (enum range_type) - longest_to_int (exp->elts[elt].longconst); - elt += 2; - - switch (range_type) - { - case BOTH_BOUND_DEFAULT: - fputs_filtered ("Range '..'", stream); - break; - case LOW_BOUND_DEFAULT: - fputs_filtered ("Range '..EXP'", stream); - break; - case LOW_BOUND_DEFAULT_EXCLUSIVE: - fputs_filtered ("ExclusiveRange '..EXP'", stream); - break; - case HIGH_BOUND_DEFAULT: - fputs_filtered ("Range 'EXP..'", stream); - break; - case NONE_BOUND_DEFAULT: - fputs_filtered ("Range 'EXP..EXP'", stream); - break; - case NONE_BOUND_DEFAULT_EXCLUSIVE: - fputs_filtered ("ExclusiveRange 'EXP..EXP'", stream); - break; - default: - fputs_filtered ("Invalid Range!", stream); - break; - } - - if (range_type == HIGH_BOUND_DEFAULT - || range_type == NONE_BOUND_DEFAULT) - elt = dump_subexp (exp, stream, elt); - if (range_type == LOW_BOUND_DEFAULT - || range_type == NONE_BOUND_DEFAULT) - elt = dump_subexp (exp, stream, elt); - } - break; - default: - case OP_NULL: - case MULTI_SUBSCRIPT: - case OP_COMPLEX: - case OP_BOOL: - case OP_M2_STRING: - case OP_THIS: - case OP_NAME: - fprintf_filtered (stream, "Unknown format"); + fputs_unfiltered (_("ordinary "), stream); + break; } - return elt; + if ((flags & C_CHAR) != 0) + fputs_unfiltered (_("char"), stream); + else + fputs_unfiltered (_("string"), stream); + fputs_unfiltered ("\n", stream); } void -dump_prefix_expression (struct expression *exp, struct ui_file *stream) +dump_for_expression (struct ui_file *stream, int depth, + enum range_flag flags) { - int elt; + fprintf_filtered (stream, _("%*sRange:"), depth, ""); + if ((flags & RANGE_LOW_BOUND_DEFAULT) != 0) + fputs_unfiltered (_("low-default "), stream); + if ((flags & RANGE_HIGH_BOUND_DEFAULT) != 0) + fputs_unfiltered (_("high-default "), stream); + if ((flags & RANGE_HIGH_BOUND_EXCLUSIVE) != 0) + fputs_unfiltered (_("high-exclusive "), stream); + if ((flags & RANGE_HAS_STRIDE) != 0) + fputs_unfiltered (_("has-stride"), stream); + fprintf_filtered (stream, "\n"); +} - fprintf_filtered (stream, "Dump of expression @ "); - gdb_print_host_address (exp, stream); - fputs_filtered (", after conversion to prefix form:\nExpression: `", stream); - print_expression (exp, stream); - fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n", - exp->language_defn->name (), exp->nelts, - (long) sizeof (union exp_element)); - fputs_filtered ("\n", stream); +void +dump_for_expression (struct ui_file *stream, int depth, + const std::unique_ptr &comp) +{ + comp->dump (stream, depth); +} - for (elt = 0; elt < exp->nelts;) - elt = dump_subexp (exp, stream, elt); - fputs_filtered ("\n", stream); +void +float_const_operation::dump (struct ui_file *stream, int depth) const +{ + fprintf_filtered (stream, _("%*sFloat: "), depth, ""); + print_floating (m_data.data (), m_type, stream); + fprintf_filtered (stream, "\n"); } + +} /* namespace expr */