40624a085c
Summary:
This patch adds support of expression evaluation in a context of some object.
Consider the following example:
```
struct S {
int a = 11;
int b = 12;
};
int main() {
S s;
int a = 1;
int b = 2;
// We have stopped here
return 0;
}
```
This patch allows to do something like that:
```
lldb.frame.FindVariable("s").EvaluateExpression("a + b")
```
and the result will be `33` (not `3`) because fields `a` and `b` of `s` will be
used (not locals `a` and `b`).
This is achieved by replacing of `this` type and object for the expression. This
has some limitations: an expression can be evaluated only for values located in
the debuggee process memory (they must have an address of `eAddressTypeLoad`
type).
Reviewers: teemperor, clayborg, jingham, zturner, labath, davide, spyffe, serge-sans-paille
Reviewed By: jingham
Subscribers: abidh, lldb-commits, leonid.mashinskiy
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D55318
llvm-svn: 353149
47 lines
742 B
C++
47 lines
742 B
C++
namespace cpp_namespace {
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struct CppStruct {
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int field = 1111;
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int function() {
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return 2222;
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}
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};
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union CppUnion {
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char field_char;
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short field_short;
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int field_int;
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};
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CppStruct GetCppStruct() {
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return CppStruct();
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}
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CppStruct global;
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CppStruct *GetCppStructPtr() {
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return &global;
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}
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}
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int global = 3333;
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int main()
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{
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cpp_namespace::CppStruct cpp_struct = cpp_namespace::GetCppStruct();
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cpp_struct.function();
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int field = 4444;
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cpp_namespace::CppUnion cpp_union;
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cpp_union.field_int = 5555;
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int cpp_scalar = 6666;
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cpp_namespace::CppStruct cpp_array[16];
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cpp_namespace::CppStruct *cpp_pointer = cpp_namespace::GetCppStructPtr();
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return 0; // Break here
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}
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