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* value.h (evaluate_subexpression_type, extract_field_op):
	Declare.
	* printcmd.c (_initialize_printcmd): Use expression_completer for
	'p', 'inspect', 'call'.
	* parser-defs.h (parse_field_expression): Declare.
	* parse.c: Include exceptions.h.
	(in_parse_field, expout_last_struct): New globals.
	(mark_struct_expression): New function.
	(prefixify_expression): Return int.
	(prefixify_subexp): Return int.  Use expout_last_struct.
	(parse_exp_1): Update.
	(parse_exp_in_context): Add 'out_subexp' argument.  Handle
	in_parse_field.
	(parse_field_expression): New function.
	* expression.h (parse_field_expression): Declare.
	(in_parse_field): Likewise.
	* eval.c (evaluate_subexpression_type): New function.
	(extract_field_op): Likewise.
	* completer.h (expression_completer): Declare.
	* completer.c (expression_completer): New function.
	(count_struct_fields, add_struct_fields): New functions.
	* c-exp.y (yyparse): Redefine.
	(COMPLETE): New token.
	(exp): New productions.
	(saw_name_at_eof, last_was_structop): New globals.
	(yylex): Return COMPLETE when needed.  Recognize in_parse_field.
	(c_parse): New function.
	* breakpoint.c (_initialize_breakpoint): Use expression_completer
	for watch, awatch, and rwatch.
	* Makefile.in (parse.o): Depend on exceptions_h.
gdb/testsuite
	* gdb.base/break1.c (struct some_struct): New struct.
	(values): New global.
	* gdb.base/completion.exp: Add field name completion test.
gdb/doc
	* gdb.texinfo (Completion): Add field name example.
This commit is contained in:
Tom Tromey
2008-06-06 20:58:08 +00:00
parent 90aa6a4044
commit 65d12d83a5
18 changed files with 451 additions and 30 deletions
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6
gdb/expression.h
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@@ -389,8 +389,14 @@ struct expression
extern struct expression *parse_expression (char *);
extern struct type *parse_field_expression (char *, char **);
extern struct expression *parse_exp_1 (char **, struct block *, int);
/* For use by parsers; set if we want to parse an expression and
attempt to complete a field name. */
extern int in_parse_field;
/* The innermost context required by the stack and register variables
we've encountered so far. To use this, set it to NULL, then call
parse_<whatever>, then look at it. */