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authorTom Tromey <tom@tromey.com>2021-03-08 07:27:57 -0700
committerTom Tromey <tom@tromey.com>2021-03-08 07:28:27 -0700
commit9db6b6ddbd3a384d3a80bfee3e3a5c5a40fd43d0 (patch)
tree7982ddac368014b043cca1c4d62a8827ab1063ee
parent6ce1ad679a7aa1f82e483451669d5d77bfc1b8fb (diff)
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Introduce rust_range_operation
This adds class rust_range_operation, which implements OP_RANGE. gdb/ChangeLog 2021-03-08 Tom Tromey <tom@tromey.com> * rust-lang.c (rust_range): No longer static. * rust-exp.h (class rust_range_operation): New.
-rw-r--r--gdb/ChangeLog5
-rw-r--r--gdb/rust-exp.h30
-rw-r--r--gdb/rust-lang.c2
3 files changed, 36 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index a9b4764..764c432 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
2021-03-08 Tom Tromey <tom@tromey.com>
+ * rust-lang.c (rust_range): No longer static.
+ * rust-exp.h (class rust_range_operation): New.
+
+2021-03-08 Tom Tromey <tom@tromey.com>
+
* rust-lang.c (rust_subscript): No longer static.
* rust-exp.h (class rust_subscript_operation): New.
diff --git a/gdb/rust-exp.h b/gdb/rust-exp.h
index 7571009..263d41a 100644
--- a/gdb/rust-exp.h
+++ b/gdb/rust-exp.h
@@ -42,6 +42,10 @@ extern struct value *rust_subscript (struct type *expect_type,
struct expression *exp,
enum noside noside, bool for_addr,
struct value *lhs, struct value *rhs);
+extern struct value *rust_range (struct type *expect_type,
+ struct expression *exp,
+ enum noside noside, enum range_flag kind,
+ struct value *low, struct value *high);
namespace expr
{
@@ -124,6 +128,32 @@ public:
{ return UNOP_ADDR; }
};
+/* The Rust range operators. */
+class rust_range_operation
+ : public tuple_holding_operation<enum range_flag, operation_up, operation_up>
+{
+public:
+
+ using tuple_holding_operation::tuple_holding_operation;
+
+ value *evaluate (struct type *expect_type,
+ struct expression *exp,
+ enum noside noside) override
+ {
+ auto kind = std::get<0> (m_storage);
+ value *low = nullptr;
+ if (std::get<1> (m_storage) != nullptr)
+ low = std::get<1> (m_storage)->evaluate (nullptr, exp, noside);
+ value *high = nullptr;
+ if (std::get<2> (m_storage) != nullptr)
+ high = std::get<2> (m_storage)->evaluate (nullptr, exp, noside);
+ return rust_range (expect_type, exp, noside, kind, low, high);
+ }
+
+ enum exp_opcode opcode () const override
+ { return OP_RANGE; }
+};
+
} /* namespace expr */
#endif /* RUST_EXP_H */
diff --git a/gdb/rust-lang.c b/gdb/rust-lang.c
index 81b6702..46eb03e 100644
--- a/gdb/rust-lang.c
+++ b/gdb/rust-lang.c
@@ -1041,7 +1041,7 @@ rust_evaluate_funcall (struct expression *exp, int *pos, enum noside noside)
/* A helper for rust_evaluate_subexp that handles OP_RANGE. */
-static struct value *
+struct value *
rust_range (struct type *expect_type, struct expression *exp,
enum noside noside, enum range_flag kind,
struct value *low, struct value *high)