From bc167b6b3eb81de168c54aed4a8f0d1fdaa065e2 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Sat, 9 Jan 2021 10:06:25 -0700 Subject: Remove a use of print_expression The tracepoint code uses print_expression to reconstruct an expression string. However, the original expression is already available -- it was just parsed a bit earlier in the same function. This patch changes this code to simply save the already-parsed expression, rather than attempt to reconstruct it. gdb/ChangeLog 2021-01-09 Tom Tromey * tracepoint.h (class collection_list) : Take a std::string. * tracepoint.c (collection_list::append_exp): Take a std::string. (encode_actions_1): Update. --- gdb/ChangeLog | 7 +++++++ gdb/tracepoint.c | 17 ++++++++--------- gdb/tracepoint.h | 2 +- 3 files changed, 16 insertions(+), 10 deletions(-) (limited to 'gdb') diff --git a/gdb/ChangeLog b/gdb/ChangeLog index d567830..2751dfe 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,10 @@ +2021-01-09 Tom Tromey + + * tracepoint.h (class collection_list) : Take a + std::string. + * tracepoint.c (collection_list::append_exp): Take a std::string. + (encode_actions_1): Update. + 2021-01-08 Tom Tromey * parse.c (parse_expression): Add void_context_p parameter. Use diff --git a/gdb/tracepoint.c b/gdb/tracepoint.c index 7109fd8..17d70a6 100644 --- a/gdb/tracepoint.c +++ b/gdb/tracepoint.c @@ -1266,16 +1266,12 @@ collection_list::stringify () return str_list; } -/* Add the printed expression EXP to *LIST. */ +/* Add the expression STR to M_COMPUTED. */ void -collection_list::append_exp (struct expression *exp) +collection_list::append_exp (std::string &&str) { - string_file tmp_stream; - - print_expression (exp, &tmp_stream); - - m_computed.push_back (std::move (tmp_stream.string ())); + m_computed.push_back (std::move (str)); } void @@ -1379,6 +1375,7 @@ encode_actions_1 (struct command_line *action, { unsigned long addr; + const char *exp_start = action_exp; expression_up exp = parse_exp_1 (&action_exp, tloc->address, block_for_pc (tloc->address), 1); @@ -1412,7 +1409,8 @@ encode_actions_1 (struct command_line *action, memrange_absolute, addr, TYPE_LENGTH (exp->elts[1].type), tloc->address); - collect->append_exp (exp.get ()); + collect->append_exp (std::string (exp_start, + action_exp)); break; case OP_VAR_VALUE: @@ -1441,7 +1439,8 @@ encode_actions_1 (struct command_line *action, collect->add_ax_registers (aexpr.get ()); collect->add_aexpr (std::move (aexpr)); - collect->append_exp (exp.get ()); + collect->append_exp (std::string (exp_start, + action_exp)); break; } /* switch */ } /* do */ diff --git a/gdb/tracepoint.h b/gdb/tracepoint.h index 294f011..b32dd61 100644 --- a/gdb/tracepoint.h +++ b/gdb/tracepoint.h @@ -257,7 +257,7 @@ public: void add_wholly_collected (const char *print_name); - void append_exp (struct expression *exp); + void append_exp (std::string &&exp); /* Add AEXPR to the list, taking ownership. */ void add_aexpr (agent_expr_up aexpr); -- cgit v1.1