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Add "var" and "vo" aliases for "frame variable" and "frame variable -O". 

Differential Revision: https://reviews.llvm.org/D53010

llvm-svn: 344102
This commit is contained in:
Jim Ingham 2018-10-10 00:51:30 +00:00
parent abbc51e5c3
commit 285ae0c07b
2 changed files with 18 additions and 1 deletions
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12
lldb/source/Commands/CommandObjectFrame.cpp
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@ -427,7 +427,17 @@ public:
"arguments and local variables in scope. Names of argument, "
"local, file static and file global variables can be specified. "
"Children of aggregate variables can be specified such as "
"'var->child.x'.",
"'var->child.x'. The -> and [] operators in 'frame variable' do "
"not invoke operator overloads if they exist, but directly access "
"the specified element. If you want to trigger operator overloads "
"use the expression command to print the variable instead."
"\nIt is worth noting that except for overloaded "
"operators, when printing local variables 'expr local_var' and "
"'frame var local_var' produce the same "
"results. However, 'frame variable' is more efficient, since it "
"uses debug information and memory reads directly, rather than "
"parsing and evaluating an expression, which may even involve "
"JITing and running code in the target program.",
nullptr, eCommandRequiresFrame | eCommandTryTargetAPILock |
eCommandProcessMustBeLaunched |
eCommandProcessMustBePaused | eCommandRequiresProcess),

7
lldb/source/Interpreter/CommandInterpreter.cpp
View File

@ -423,6 +423,13 @@ void CommandInterpreter::Initialize() {
if (cmd_obj_sp) {
AddAlias("rbreak", cmd_obj_sp, "--func-regex %1");
}
cmd_obj_sp = GetCommandSPExact("frame variable", false);
if (cmd_obj_sp) {
AddAlias("var", cmd_obj_sp);
AddAlias("vo", cmd_obj_sp, "--object-description");
}
}
void CommandInterpreter::Clear() {