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PR python/13281:
	* gdbtypes.h (TYPE_FLAG_ENUM): New macro.
	(struct main_type) <flag_flag_enum>: New field.
	* dwarf2read.c (process_enumeration_scope): Detect "flag" enums.
	* NEWS: Add entries.
	* c-valprint.c (c_val_print) <TYPE_CODE_ENUM>: Handle "flag"
	enums.
	* python/lib/gdb/printing.py (_EnumInstance): New class.
	(FlagEnumerationPrinter): Likewise.
gdb/doc
	* gdb.texinfo (gdb.printing): Document FlagEnumerationPrinter.
gdb/testsuite
	* gdb.base/printcmds.c (enum flag_enum): New.
	(three): New global.
	* gdb.base/printcmds.exp (test_print_enums): Add test for flag
	enum printing.
	* gdb.python/py-pp-maint.py (build_pretty_printer): Instantiate
	FlagEnumerationPrinter.
	* gdb.python/py-pp-maint.exp: Add tests for FlagEnumerationPrinter.
	* gdb.python/py-pp-maint.c (enum flag_enum): New.
	(fval): New global.
This commit is contained in:
Tom Tromey
2012-01-16 19:44:16 +00:00
parent 983af33b26
commit cafec44190
14 changed files with 199 additions and 13 deletions
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11
gdb/gdbtypes.h
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@@ -290,6 +290,12 @@ enum type_instance_flag_value
#define TYPE_DECLARED_CLASS(t) (TYPE_MAIN_TYPE (t)->flag_declared_class)
/* True if this type is a "flag" enum. A flag enum is one where all
the values are pairwise disjoint when "and"ed together. This
affects how enum values are printed. */
#define TYPE_FLAG_ENUM(t) (TYPE_MAIN_TYPE (t)->flag_flag_enum)
/* Constant type. If this is set, the corresponding type has a
const modifier. */
@@ -400,6 +406,11 @@ struct main_type
"struct". */
unsigned int flag_declared_class : 1;
/* True if this is an enum type with disjoint values. This affects
how the enum is printed. */
unsigned int flag_flag_enum : 1;
/* A discriminant telling us which field of the type_specific union
is being used for this type, if any. */
ENUM_BITFIELD(type_specific_kind) type_specific_field : 3;