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gdb: New API for tracking innermost block

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This commit is preparation for a later change, at this point there
should be no user visible change.

We currently maintain a global innermost_block which tracks the most
inner block encountered when parsing an expression.

This commit wraps the innermost_block into a new class, and switches all
direct accesses to the variable to use the class API.

gdb/ChangeLog:

	* ada-exp.y (write_var_from_sym): Switch to innermost_block API.
	* ada-lang.c (resolve_subexp): Likewise.
	* breakpoint.c (set_breakpoint_condition) Likewise.
	(watch_command_1) Likewise.
	* c-exp.y (variable): Likewise.
	* d-exp.y (PrimaryExpression): Likewise.
	* f-exp.y (variable): Likewise.
	* go-exp.y (variable): Likewise.
	* m2-exp.y (variable): Likewise.
	* objfiles.c (objfile::~objfile): Likewise.
	* p-exp.y (variable): Likewise.
	* parse.c (innermost_block): Change type.
	* parser-defs.h (class innermost_block_tracker): New.
	(innermost_block): Change to innermost_block_tracker.
	* printcmd.c (display_command): Switch to innermost_block API.
	(do_one_display): Likewise.
	* rust-exp.y (do_one_display): Likewise.
	* symfile.c (clear_symtab_users): Likewise.
	* varobj.c (varobj_create): Switch to innermost_block API, replace
	use of innermost_block with block stored on varobj object.
This commit is contained in:
Andrew Burgess
2017-10-18 19:53:21 +01:00
parent 396af9a152
commit aee1fcdf97
17 changed files with 111 additions and 94 deletions
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8
gdb/ada-lang.c
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@ -3507,9 +3507,7 @@ resolve_subexp (expression_up *expp, int *pos, int deprocedure_p,
exp->elts[pc + 1].block = candidates[i].block;
exp->elts[pc + 2].symbol = candidates[i].symbol;
if (innermost_block == NULL
|| contained_in (candidates[i].block, innermost_block))
innermost_block = candidates[i].block;
innermost_block.update (candidates[i]);
}
if (deprocedure_p
@ -3554,9 +3552,7 @@ resolve_subexp (expression_up *expp, int *pos, int deprocedure_p,
exp->elts[pc + 4].block = candidates[i].block;
exp->elts[pc + 5].symbol = candidates[i].symbol;
if (innermost_block == NULL
|| contained_in (candidates[i].block, innermost_block))
innermost_block = candidates[i].block;
innermost_block.update (candidates[i]);
}
}
break;