[SCM] archer-tromey-python: gdb

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- Log -----------------------------------------------------------------
commit a3c509dff50be9deb8f84f30123cd0458120874a
Author: Tom Tromey <tromey@redhat.com>
Date:   Mon Dec 1 12:09:55 2008 -0700

    gdb
    	* python/python.c (GdbMethods) <parse_and_eval>: New.
    	(gdbpy_parse_and_eval): New function.
    gdb/doc
    	* gdb.texinfo (Basic Python): Document parse_and_eval.

-----------------------------------------------------------------------

Summary of changes:
 gdb/ChangeLog       |    5 +++++
 gdb/doc/ChangeLog   |    4 ++++
 gdb/doc/gdb.texinfo |    7 +++++++
 gdb/python/python.c |   23 +++++++++++++++++++++++
 4 files changed, 39 insertions(+), 0 deletions(-)

First 500 lines of diff:
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 97a4223..9d51f22 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
 2008-12-01  Tom Tromey  <tromey@redhat.com>
 
+	* python/python.c (GdbMethods) <parse_and_eval>: New.
+	(gdbpy_parse_and_eval): New function.
+
+2008-12-01  Tom Tromey  <tromey@redhat.com>
+
 	* python/python-value.c (is_intlike): New function.
 	(valpy_int): Use it.
 	(valpy_long): Likewise.
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 90a769b..703543b 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,5 +1,9 @@
 2008-12-01  Tom Tromey  <tromey@redhat.com>
 
+	* gdb.texinfo (Basic Python): Document parse_and_eval.
+
+2008-12-01  Tom Tromey  <tromey@redhat.com>
+
 	* gdb.texinfo (Convenience Vars): Document convenience functions.
 	(Functions In Python): New node.
 	(Python API): Update.
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 38d3f1e..dfc19aa 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -18099,6 +18099,13 @@ If the named parameter does not exist, this function throws a
 a Python value of the appropriate type, and returned.
 @end defun
 
+@findex gdb.parse_and_eval
+@defun parse_and_eval expression
+Parse @var{expression} as an expression in the current language,
+evaluate it, and return the result as a @code{gdb.Value}.
+@var{expression} must be a string.
+@end defun
+
 @findex gdb.write
 @defun write string
 Print a string to @value{GDBN}'s paginated standard output stream.
diff --git a/gdb/python/python.c b/gdb/python/python.c
index 7b46f0d..bb0b428 100644
--- a/gdb/python/python.c
+++ b/gdb/python/python.c
@@ -394,6 +394,26 @@ gdbpy_decode_line (PyObject *self, PyObject *args)
   Py_RETURN_NONE;
 }
 
+/* Parse a string and evaluate it as an expression.  */
+static PyObject *
+gdbpy_parse_and_eval (PyObject *self, PyObject *args)
+{
+  char *expr_str;
+  struct value *result = NULL;
+  volatile struct gdb_exception except;
+
+  if (!PyArg_ParseTuple (args, "s", &expr_str))
+    return NULL;
+
+  TRY_CATCH (except, RETURN_MASK_ALL)
+    {
+      result = parse_and_eval (expr_str);
+    }
+  GDB_PY_HANDLE_EXCEPTION (except);
+
+  return value_to_value_object (result);
+}
+
 \f
 
 /* Threads.  */
@@ -1374,6 +1394,9 @@ Note: may later change to return an object." },
   { "switch_to_thread", gdbpy_switch_to_thread, METH_VARARGS,
     "Switch to a thread, given the thread ID." },
 
+  { "parse_and_eval", gdbpy_parse_and_eval, METH_VARARGS,
+    "Parse a string as an expression, evaluate it, and return the result." },
+
   { "write", gdbpy_write, METH_VARARGS,
     "Write a string using gdb's filtered stream." },
   { "flush", gdbpy_flush, METH_NOARGS,


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