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Move innermost_block_tracker global to parse_state

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This changes the parsing API so that callers that are interested in
tracking the innermost block must instantiate an
innermost_block_tracker and pass it in.  Then, a pointer to this
object is stored in the parser_state.

2019-04-04  Tom Tromey  <tom@tromey.com>

	* varobj.c (varobj_create): Update.
	* rust-exp.y (struct rust_parser) <update_innermost_block,
	lookup_symbol>: New methods.
	(rust_parser::update_innermost_block, rust_parser::lookup_symbol):
	Rename.
	(rust_parser::rust_lookup_type)
	(rust_parser::convert_ast_to_expression, rust_lex_tests): Update.
	* printcmd.c (display_command, do_one_display): Update.
	* parser-defs.h (struct parser_state) <parser_state>: Add
	"tracker" parameter.
	(block_tracker): New member.
	(class innermost_block_tracker) <innermost_block_tracker>: Add
	"types" parameter.
	<reset>: Remove method.
	(innermost_block): Don't declare.
	(null_post_parser): Update.
	* parse.c (innermost_block): Remove global.
	(write_dollar_variable): Update.
	(parse_exp_1, parse_exp_in_context): Add "tracker" parameter.
	Remove "tracker_types" parameter.
	(parse_expression): Add "tracker" parameter.
	(parse_expression_for_completion): Update.
	(null_post_parser): Add "tracker" parameter.
	* p-exp.y: Update rules.
	* m2-exp.y: Update rules.
	* language.h (struct language_defn) <la_post_parser>: Add
	"tracker" parameter.
	* go-exp.y: Update rules.
	* f-exp.y: Update rules.
	* expression.h (parse_expression, parse_exp_1): Add "tracker"
	parameter.
	* d-exp.y: Update rules.
	* c-exp.y: Update rules.
	* breakpoint.c (set_breakpoint_condition): Create an
	innermost_block_tracker.
	(watch_command_1): Likewise.
	* ada-lang.c (resolve): Add "tracker" parameter.
	(resolve_subexp): Likewise.
	* ada-exp.y (write_var_from_sym): Update.
This commit is contained in:
Tom Tromey
2019-03-31 17:20:24 -06:00
parent dac43e327d
commit 699bd4cfa8
17 changed files with 145 additions and 97 deletions
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9
gdb/varobj.c
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@ -309,13 +309,14 @@ varobj_create (const char *objname,
}
p = expression;
innermost_block_tracker tracker (INNERMOST_BLOCK_FOR_SYMBOLS
| INNERMOST_BLOCK_FOR_REGISTERS);
/* Wrap the call to parse expression, so we can
return a sensible error. */
TRY
{
var->root->exp = parse_exp_1 (&p, pc, block, 0,
INNERMOST_BLOCK_FOR_SYMBOLS
| INNERMOST_BLOCK_FOR_REGISTERS);
var->root->exp = parse_exp_1 (&p, pc, block, 0, &tracker);
}
CATCH (except, RETURN_MASK_ERROR)
@ -336,7 +337,7 @@ varobj_create (const char *objname,
var->format = variable_default_display (var.get ());
var->root->valid_block =
var->root->floating ? NULL : innermost_block.block ();
var->root->floating ? NULL : tracker.block ();
var->name = expression;
/* For a root var, the name and the expr are the same. */
var->path_expr = expression;