https://llvm.org/bugs/show_bug.cgi?id=30423
Bug ID: 30423
Summary: [lldb-mi] -var-assign doesn't evaluate the expression
to assign
Product: lldb
Version: 3.9
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: lldb-dev@lists.llvm.org
Reporter: edmu...@microsoft.com
CC: llvm-b...@lists.llvm.org
Classification: Unclassified
According to the MI documentation from GDB
(http://ftp.gnu.org/old-gnu/Manuals/gdb/html_node/gdb_231.html), the MI command
-var-assign takes a variables object and an expression to assign to it
-var-assign name expression
However, lldb-mi does not allow expressions and only allows numeric values:
-var-create - - "x" --thread 1 --frame 0
^done,name="var0",numchild="0",value="1",type="int",thread-id="1",has_more="0"
-var-assign var0 "3+2"
^error,msg="expression could not be evaluated"
On the other hand, using GDB:
-var-create - * "a"
^done,name="var5",numchild="0",value="0",type="int",thread-id="1",has_more="0"
-1035-var-assign var5 "3+2"
^done,value="5"
CMICmdCmdVarAssign should first try to evaluate the expression passed in rather
than just treating it as a value.
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