[v3,082/206] Introduce func_static_var_operation

Message ID 20210220201609.838264-83-tom@tromey.com
State New
Headers show
Series
  • Refactor expressions
Related show

Commit Message

Tom Tromey Feb. 20, 2021, 8:14 p.m.
This adds class func_static_var_operation, which implements
OP_FUNC_STATIC_VAR.

gdb/ChangeLog
2021-02-20  Tom Tromey  <tom@tromey.com>

	* expop.h (class func_static_var_operation): New.
	* eval.c (eval_op_func_static_var): No longer static.
---
 gdb/ChangeLog |  5 +++++
 gdb/eval.c    |  2 +-
 gdb/expop.h   | 24 ++++++++++++++++++++++++
 3 files changed, 30 insertions(+), 1 deletion(-)

-- 
2.26.2

Patch

diff --git a/gdb/eval.c b/gdb/eval.c
index 21de4a89999..d5833e26b51 100644
--- a/gdb/eval.c
+++ b/gdb/eval.c
@@ -1237,7 +1237,7 @@  eval_op_var_msym_value (struct type *expect_type, struct expression *exp,
 
 /* Helper function that implements the body of OP_FUNC_STATIC_VAR.  */
 
-static struct value *
+struct value *
 eval_op_func_static_var (struct type *expect_type, struct expression *exp,
 			 enum noside noside,
 			 value *func, const char *var)
diff --git a/gdb/expop.h b/gdb/expop.h
index 033ea0b1f0c..8329babd09b 100644
--- a/gdb/expop.h
+++ b/gdb/expop.h
@@ -54,6 +54,10 @@  extern struct value *eval_op_var_msym_value (struct type *expect_type,
 extern struct value *eval_op_var_entry_value (struct type *expect_type,
 					      struct expression *exp,
 					      enum noside noside, symbol *sym);
+extern struct value *eval_op_func_static_var (struct type *expect_type,
+					      struct expression *exp,
+					      enum noside noside,
+					      value *func, const char *var);
 
 namespace expr
 {
@@ -555,6 +559,26 @@  class var_entry_value_operation
   { return OP_VAR_ENTRY_VALUE; }
 };
 
+class func_static_var_operation
+  : public maybe_constant_operation<operation_up, std::string>
+{
+public:
+
+  using maybe_constant_operation::maybe_constant_operation;
+
+  value *evaluate (struct type *expect_type,
+		   struct expression *exp,
+		   enum noside noside) override
+  {
+    value *func = std::get<0> (m_storage)->evaluate (nullptr, exp, noside);
+    return eval_op_func_static_var (expect_type, exp, noside, func,
+				    std::get<1> (m_storage).c_str ());
+  }
+
+  enum exp_opcode opcode () const override
+  { return OP_FUNC_STATIC_VAR; }
+};
+
 } /* namespace expr */
 
 #endif /* EXPOP_H */