/* Support for printing C and C++ types for GDB, the GNU debugger.
- Copyright (C) 1986-2018 Free Software Foundation, Inc.
+ Copyright (C) 1986-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "language.h"
#include "demangle.h"
#include "c-lang.h"
+#include "cli/cli-style.h"
#include "typeprint.h"
#include "cp-abi.h"
#include "cp-support.h"
-/* When printing the offsets of a struct and its fields (i.e., 'ptype
- /o'; type_print_options::print_offsets), we use this many
- characters when printing the offset information at the beginning of
- the line. This is needed in order to generate the correct amount
- of whitespaces when no offset info should be printed for a certain
- field. */
-#define OFFSET_SPC_LEN 23
-
/* A list of access specifiers used for printing. */
enum access_specifier
type = check_typedef (type);
local_name = typedef_hash_table::find_typedef (flags, type);
+ code = TYPE_CODE (type);
if (local_name != NULL)
{
fputs_filtered (local_name, stream);
else
{
c_type_print_base_1 (type, stream, show, level, language, flags, podata);
- code = TYPE_CODE (type);
if ((varstring != NULL && *varstring != '\0')
/* Need a space if going to print stars or brackets;
but not if we will print just a type name. */
if (varstring != NULL)
{
- fputs_filtered (varstring, stream);
+ if (code == TYPE_CODE_FUNC || code == TYPE_CODE_METHOD)
+ fputs_styled (varstring, function_name_style.style (), stream);
+ else
+ fputs_filtered (varstring, stream);
/* For demangled function names, we have the arglist as part of
the name, so don't print an additional pair of ()'s. */
{
type = check_typedef (type);
fprintf_filtered (stream, "typedef ");
- type_print (type, "", stream, 0);
+ type_print (type, "", stream, -1);
if (TYPE_NAME ((SYMBOL_TYPE (new_symbol))) == 0
|| strcmp (TYPE_NAME ((SYMBOL_TYPE (new_symbol))),
- SYMBOL_LINKAGE_NAME (new_symbol)) != 0
+ new_symbol->linkage_name ()) != 0
|| TYPE_CODE (SYMBOL_TYPE (new_symbol)) == TYPE_CODE_TYPEDEF)
- fprintf_filtered (stream, " %s", SYMBOL_PRINT_NAME (new_symbol));
- fprintf_filtered (stream, ";\n");
+ fprintf_filtered (stream, " %s", new_symbol->print_name ());
+ fprintf_filtered (stream, ";");
}
/* If TYPE is a derived type, then print out derivation information.
? "public" : (TYPE_FIELD_PROTECTED (type, i)
? "protected" : "private"),
BASETYPE_VIA_VIRTUAL (type, i) ? " virtual" : "");
- name = type_name_no_tag (TYPE_BASECLASS (type, i));
+ name = TYPE_NAME (TYPE_BASECLASS (type, i));
if (name)
print_name_maybe_canonical (name, flags, stream);
else
case TYPE_CODE_MEMBERPTR:
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
- stream, show, 0, 0, language, flags,
- podata);
- name = type_name_no_tag (TYPE_SELF_TYPE (type));
+ stream, show, 0, 0, language, flags, podata);
+ name = TYPE_NAME (TYPE_SELF_TYPE (type));
if (name)
print_name_maybe_canonical (name, flags, stream);
else
stream, show, 0, 0, language, flags,
podata);
fprintf_filtered (stream, "(");
- name = type_name_no_tag (TYPE_SELF_TYPE (type));
+ name = TYPE_NAME (TYPE_SELF_TYPE (type));
if (name)
print_name_maybe_canonical (name, flags, stream);
else
if (first)
{
wrap_here (" ");
- fprintf_filtered (stream, _("[with %s = "),
- SYMBOL_LINKAGE_NAME (sym));
+ fprintf_filtered (stream, _("[with %s = "), sym->linkage_name ());
first = 0;
}
else
{
fputs_filtered (", ", stream);
wrap_here (" ");
- fprintf_filtered (stream, "%s = ", SYMBOL_LINKAGE_NAME (sym));
+ fprintf_filtered (stream, "%s = ", sym->linkage_name ());
}
c_print_type (SYMBOL_TYPE (sym), "", stream, -1, 0, flags);
if (!flags->print_offsets)
print_spaces_filtered (level, stream);
else
- print_spaces_filtered (level + OFFSET_SPC_LEN, stream);
+ print_spaces_filtered (level + print_offset_data::indentation, stream);
}
/* Output an access specifier to STREAM, if needed. LAST_ACCESS is the
return last_access;
}
-/* Print information about field at index FIELD_IDX of the union type
- TYPE. Since union fields don't have the concept of offsets, we
- just print their sizes.
-
- The output is strongly based on pahole(1). */
-
-static void
-c_print_type_union_field_offset (struct type *type, unsigned int field_idx,
- struct ui_file *stream)
-{
- struct type *ftype = check_typedef (TYPE_FIELD_TYPE (type, field_idx));
-
- fprintf_filtered (stream, "/* %4u */", TYPE_LENGTH (ftype));
-}
-
-/* Helper function for ptype/o implementation that prints information
- about a hole, if necessary. STREAM is where to print. BITPOS is
- the bitpos of the current field. PODATA is the offset-printing
- state. FOR_WHAT is a string describing the purpose of the
- hole. */
-
-static void
-maybe_print_hole (struct ui_file *stream, unsigned int bitpos,
- struct print_offset_data *podata, const char *for_what)
-{
- /* We check for PODATA->END_BITPOS > 0 because there is a specific
- scenario when PODATA->END_BITPOS can be zero and BITPOS can be >
- 0: when we are dealing with a struct/class with a virtual method.
- Because of the vtable, the first field of the struct/class will
- have an offset of sizeof (void *) (the size of the vtable). If
- we do not check for PODATA->END_BITPOS > 0 here, GDB will report
- a hole before the first field, which is not accurate. */
- if (podata->end_bitpos > 0 && podata->end_bitpos < bitpos)
- {
- /* If PODATA->END_BITPOS is smaller than the current type's
- bitpos, it means there's a hole in the struct, so we report
- it here. */
- unsigned int hole = bitpos - podata->end_bitpos;
- unsigned int hole_byte = hole / TARGET_CHAR_BIT;
- unsigned int hole_bit = hole % TARGET_CHAR_BIT;
-
- if (hole_bit > 0)
- fprintf_filtered (stream, "/* XXX %2u-bit %s */\n", hole_bit,
- for_what);
-
- if (hole_byte > 0)
- fprintf_filtered (stream, "/* XXX %2u-byte %s */\n", hole_byte,
- for_what);
- }
-}
-
-/* Print information about field at index FIELD_IDX of the struct type
- TYPE.
-
- PODATA->END_BITPOS is the one-past-the-end bit position of the
- previous field (where we expect this field to be if there is no
- hole). At the end, ENDPOS is updated to the one-past-the-end bit
- position of the current field.
-
- PODATA->OFFSET_BITPOS is the offset value we carry over when we are
- printing a struct that is inside another struct; this is useful so
- that the offset is constantly incremented (if we didn't carry it
- over, the offset would be reset to zero when printing the inner
- struct).
-
- The output is strongly based on pahole(1). */
-
-static void
-c_print_type_struct_field_offset (struct type *type, unsigned int field_idx,
- struct ui_file *stream,
- struct print_offset_data *podata)
-{
- struct type *ftype = check_typedef (TYPE_FIELD_TYPE (type, field_idx));
- unsigned int bitpos = TYPE_FIELD_BITPOS (type, field_idx);
- unsigned int fieldsize_byte = TYPE_LENGTH (ftype);
- unsigned int fieldsize_bit = fieldsize_byte * TARGET_CHAR_BIT;
-
- maybe_print_hole (stream, bitpos, podata, "hole");
-
- if (TYPE_FIELD_PACKED (type, field_idx))
- {
- /* We're dealing with a bitfield. Print how many bits are left
- to be used. */
- unsigned int bitsize = TYPE_FIELD_BITSIZE (type, field_idx);
- /* The bitpos relative to the beginning of our container
- field. */
- unsigned int relative_bitpos;
-
- /* The following was copied from
- value.c:value_primitive_field. */
- if ((bitpos % fieldsize_bit) + bitsize <= fieldsize_bit)
- relative_bitpos = bitpos % fieldsize_bit;
- else
- relative_bitpos = bitpos % TARGET_CHAR_BIT;
-
- /* This is the exact offset (in bits) of this bitfield. */
- unsigned int bit_offset
- = (bitpos - relative_bitpos) + podata->offset_bitpos;
-
- /* The position of the field, relative to the beginning of the
- struct, and how many bits are left to be used in this
- container. */
- fprintf_filtered (stream, "/* %4u:%2u", bit_offset / TARGET_CHAR_BIT,
- fieldsize_bit - (relative_bitpos + bitsize));
- fieldsize_bit = bitsize;
- }
- else
- {
- /* The position of the field, relative to the beginning of the
- struct. */
- fprintf_filtered (stream, "/* %4u",
- (bitpos + podata->offset_bitpos) / TARGET_CHAR_BIT);
-
- fprintf_filtered (stream, " ");
- }
-
- fprintf_filtered (stream, " | %4u */", fieldsize_byte);
-
- podata->end_bitpos = bitpos + fieldsize_bit;
-}
-
/* Return true if an access label (i.e., "public:", "private:",
"protected:") needs to be printed for TYPE. */
spurious "{unnamed struct}"/"{unnamed union}"/"{unnamed
enum}" tag for unnamed struct/union/enum's, which we don't
want to print. */
- if (TYPE_TAG_NAME (type) != NULL
- && !startswith (TYPE_TAG_NAME (type), "{unnamed"))
+ if (TYPE_NAME (type) != NULL
+ && !startswith (TYPE_NAME (type), "{unnamed"))
{
/* When printing the tag name, we are still effectively
printing in the outer context, hence the use of FLAGS
here. */
- print_name_maybe_canonical (TYPE_TAG_NAME (type), flags, stream);
+ print_name_maybe_canonical (TYPE_NAME (type), flags, stream);
if (show > 0)
fputs_filtered (" ", stream);
}
{
/* If we just printed a tag name, no need to print anything
else. */
- if (TYPE_TAG_NAME (type) == NULL)
+ if (TYPE_NAME (type) == NULL)
fprintf_filtered (stream, "{...}");
}
- else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
+ else if (show > 0 || TYPE_NAME (type) == NULL)
{
struct type *basetype;
int vptr_fieldno;
{
if (TYPE_STUB (type))
fprintfi_filtered (level + 4, stream,
- _("<incomplete type>\n"));
+ _("%p[<incomplete type>%p]\n"),
+ metadata_style.style ().ptr (), nullptr);
else
fprintfi_filtered (level + 4, stream,
- _("<no data fields>\n"));
+ _("%p[<no data fields>%p]\n"),
+ metadata_style.style ().ptr (), nullptr);
}
/* Start off with no specific section type, so we can print
bool is_static = field_is_static (&TYPE_FIELD (type, i));
if (flags->print_offsets)
- {
- if (!is_static)
- {
- if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
- {
- c_print_type_struct_field_offset
- (type, i, stream, podata);
- }
- else if (TYPE_CODE (type) == TYPE_CODE_UNION)
- c_print_type_union_field_offset (type, i, stream);
- }
- else
- print_spaces_filtered (OFFSET_SPC_LEN, stream);
- }
+ podata->update (type, i, stream);
print_spaces_filtered (level + 4, stream);
if (is_static)
int newshow = show - 1;
- if (flags->print_offsets
+ if (!is_static && flags->print_offsets
&& (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_STRUCT
|| TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_UNION))
{
struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
const char *method_name = TYPE_FN_FIELDLIST_NAME (type, i);
- const char *name = type_name_no_tag (type);
+ const char *name = TYPE_NAME (type);
int is_constructor = name && strcmp (method_name,
name) == 0;
{
/* Keep GDB from crashing here. */
fprintf_filtered (stream,
- _("<undefined type> %s;\n"),
+ _("%p[<undefined type>%p] %s;\n"),
+ metadata_style.style ().ptr (), nullptr,
TYPE_FN_FIELD_PHYSNAME (f, j));
break;
}
&local_flags);
}
else
- fprintf_filtered (stream,
- _("<badly mangled name '%s'>"),
- mangled_name);
+ fprintf_styled (stream, metadata_style.style (),
+ _("<badly mangled name '%s'>"),
+ mangled_name);
}
else
{
if (flags->print_offsets)
{
if (show > 0)
- {
- unsigned int bitpos = TYPE_LENGTH (type) * TARGET_CHAR_BIT;
- maybe_print_hole (stream, bitpos, podata, "padding");
+ podata->finish (type, level, stream);
- fputs_filtered ("\n", stream);
- print_spaces_filtered_with_print_options (level + 4,
- stream,
- flags);
- fprintf_filtered (stream, "/* total size (bytes): %4u */\n",
- TYPE_LENGTH (type));
- }
-
- print_spaces_filtered (OFFSET_SPC_LEN, stream);
+ print_spaces_filtered (print_offset_data::indentation, stream);
if (level == 0)
print_spaces_filtered (2, stream);
}
if (type == NULL)
{
- fputs_filtered (_("<type unknown>"), stream);
+ fputs_styled (_("<type unknown>"), metadata_style.style (), stream);
return;
}
/* When SHOW is zero or less, and there is a valid type name, then
always just print the type name directly from the type. */
- /* If we have "typedef struct foo {. . .} bar;" do we want to print
- it as "struct foo" or as "bar"? Pick the latter, because C++
- folk tend to expect things like "class5 *foo" rather than "struct
- class5 *foo". */
if (show <= 0
&& TYPE_NAME (type) != NULL)
{
c_type_print_modifier (type, stream, 0, 1);
+
+ /* If we have "typedef struct foo {. . .} bar;" do we want to
+ print it as "struct foo" or as "bar"? Pick the latter for
+ C++, because C++ folk tend to expect things like "class5
+ *foo" rather than "struct class5 *foo". We rather
+ arbitrarily choose to make language_minimal work in a C-like
+ way. */
+ if (language == language_c || language == language_minimal)
+ {
+ if (TYPE_CODE (type) == TYPE_CODE_UNION)
+ fprintf_filtered (stream, "union ");
+ else if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
+ {
+ if (TYPE_DECLARED_CLASS (type))
+ fprintf_filtered (stream, "class ");
+ else
+ fprintf_filtered (stream, "struct ");
+ }
+ else if (TYPE_CODE (type) == TYPE_CODE_ENUM)
+ fprintf_filtered (stream, "enum ");
+ }
+
print_name_maybe_canonical (TYPE_NAME (type), flags, stream);
return;
}
couldn't resolve TYPE_TARGET_TYPE. Not much we can do. */
gdb_assert (TYPE_NAME (type) == NULL);
gdb_assert (TYPE_TARGET_TYPE (type) == NULL);
- fprintf_filtered (stream, _("<unnamed typedef>"));
+ fprintf_styled (stream, metadata_style.style (),
+ _("<unnamed typedef>"));
break;
case TYPE_CODE_FUNC:
"{unnamed struct}"/"{unnamed union}"/"{unnamed enum}"
tag for unnamed struct/union/enum's, which we don't
want to print. */
- if (TYPE_TAG_NAME (type) != NULL
- && !startswith (TYPE_TAG_NAME (type), "{unnamed"))
+ if (TYPE_NAME (type) != NULL
+ && !startswith (TYPE_NAME (type), "{unnamed"))
{
- print_name_maybe_canonical (TYPE_TAG_NAME (type), flags, stream);
+ print_name_maybe_canonical (TYPE_NAME (type), flags, stream);
if (show > 0)
fputs_filtered (" ", stream);
}
{
/* If we just printed a tag name, no need to print anything
else. */
- if (TYPE_TAG_NAME (type) == NULL)
+ if (TYPE_NAME (type) == NULL)
fprintf_filtered (stream, "{...}");
}
- else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
+ else if (show > 0 || TYPE_NAME (type) == NULL)
{
LONGEST lastval = 0;
{
if (TYPE_STUB (type))
fprintfi_filtered (level + 4, stream,
- _("<incomplete type>\n"));
+ _("%p[<incomplete type>%p]\n"),
+ metadata_style.style ().ptr (), nullptr);
else
fprintfi_filtered (level + 4, stream,
- _("<no data fields>\n"));
+ _("%p[<no data fields>%p]\n"),
+ metadata_style.style ().ptr (), nullptr);
}
len = TYPE_NFIELDS (type);
for (i = 0; i < len; i++)
case TYPE_CODE_RANGE:
/* This should not occur. */
- fprintf_filtered (stream, _("<range type>"));
+ fprintf_styled (stream, metadata_style.style (), _("<range type>"));
break;
case TYPE_CODE_NAMESPACE:
fputs_filtered ("namespace ", stream);
- fputs_filtered (TYPE_TAG_NAME (type), stream);
+ fputs_filtered (TYPE_NAME (type), stream);
break;
default:
{
/* At least for dump_symtab, it is important that this not
be an error (). */
- fprintf_filtered (stream, _("<invalid type code %d>"),
- TYPE_CODE (type));
+ fprintf_styled (stream, metadata_style.style (),
+ _("<invalid type code %d>"), TYPE_CODE (type));
}
break;
}
projects / deliverable / binutils-gdb.git / blobdiff