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com.commandF(&resultData, "-var-create %s @ %s", stringToCStr(watchId), stringToCStr(varName));
com.commandF(&resultData, "-data-evaluate-expression %s", stringToCStr(expr));
com.commandF(&resultData, "-var-update --all-values *");
com.commandF(&resultData, "-var-list-children --simple-values %s", stringToCStr(watchId));
com.commandF(&resultData, "-var-delete %s", stringToCStr(watchId));
com.commandF(&resultData, "-var-info-path-expression %s", stringToCStr(w.getWatchId()));
com.commandF(&resultData, "-data-evaluate-expression &(%s)", stringToCStr(expr));
The following is the complete set of GDB/MI operations defined to access this functionality:
Operation Description
-enable-pretty-printing enable Python-based pretty-printing (VERY Important to print std::string and other structures!!!).
-var-create create a variable object
-var-delete delete the variable object and/or its children
-var-set-format set the display format of this variable
-var-show-format show the display format of this variable
-var-info-num-children tells how many children this object has
-var-list-children return a list of the object’s children
-var-info-type show the type of this variable object
-var-info-expression print parent-relative expression that this variable object represents
-var-info-path-expression print full expression that this variable object represents
-var-show-attributes is this variable editable? does it exist here?
-var-evaluate-expression get the value of this variable
-var-assign set the value of this variable
-var-update update the variable and its children
-var-set-frozen set frozeness attribute
-var-set-update-range set range of children to display on update
"-data-evaluate-expression %s"
"-data-add-expression %s"
"-data-delete-expression id1 id2 ..."
"-data-list-expressions"
#
# var examples.
# using 'hellostruct' as the example with a 'Person' struct that contains a 'Location' struct.
#
# 'me'
#
"-var-create x2112 "*" me"
^done,name="x2112",numchild="1",value="{...}",type="Person",thread-id="1",has_more="0"
"-var-info-type x2112"
"-var-info-type x2112.public.location"
^done,type="Person"
^done,type="Location"
"-var-info-num-children x2112"
^done,numchild="1"
"-var-list-children --no-values x2112"
^done,numchild="1",
children=[
child={name="x2112.public",exp="public",numchild="4",thread-id="1"}
],
has_more="0"
"-var-list-children --no-values x2112.public"
^done,numchild="4",
children=[
child={name="x2112.public.name", exp="name", numchild="2", type="std::string", thread-id="1"},
child={name="x2112.public.age", exp="age", numchild="0", type="int", thread-id="1"},
child={name="x2112.public.salary", exp="salary", numchild="0", type="float", thread-id="1"},
child={name="x2112.public.location", exp="location", numchild="1", type="Location", thread-id="1"}
],
has_more="0"
"-var-list-children --all-values x2112"
^done,numchild="1",
children=[
child={name="x2112.public", exp="public", numchild="4", value="", thread-id="1"}
],
has_more="0"
"-var-list-children --all-values x2112.public"
^done,numchild="4",
children=[
child={name="x2112.public.name", exp="name", numchild="2", value="{...}", type="std::string", thread-id="1"},
child={name="x2112.public.age", exp="age", numchild="0", value="60", type="int", thread-id="1"},
child={name="x2112.public.salary", exp="salary", numchild="0", value="0.25", type="float", thread-id="1"},
child={name="x2112.public.location", exp="location", numchild="1", value="{...}", type="Location", thread-id="1"}
],
has_more="0"
"-var-list-children --simple-values x2112.public"
^done,numchild="4",
children=[
child={name="x2112.public.name", exp="name", numchild="2", type="std::string", thread-id="1"},
child={name="x2112.public.age", exp="age", numchild="0", value="60", type="int", thread-id="1"},
child={name="x2112.public.salary", exp="salary", numchild="0", value="0.25", type="float", thread-id="1"},
child={name="x2112.public.location", exp="location", numchild="1", type="Location", thread-id="1"}
],
has_more="0"
"-var-evaluate-expression x2112"
^done,value="{...}"
"-var-evaluate-expression x2112.name"
"-var-evaluate-expression x2112.age"
"-var-evaluate-expression x2112.salary"
"-var-evaluate-expression x2112.location"
^done,value="{...}"
^done,value="60"
^done,value="0.25"
^done,value="{...}"
"-var-info-expression x2112"
"-var-info-expression x2112.public"
"-var-info-expression x2112.public.age"
^done,lang="C++",exp="me"
^done,lang="C++",exp="public"
^done,lang="C++",exp="age"
"-var-info-path-expression x2112"
"-var-info-path-expression x2112.public"
"-var-info-path-expression x2112.public.age"
^done,path_expr="me"
^done,path_expr=""
^done,path_expr="((me).age)"
"-var-delete x2112"
^done,ndeleted="1"
#
# 'me.name'
#
"-var-create x2112 "*" me.name"
^done,name="x2112",numchild="2",value="{...}",type="std::string",thread-id="1",has_more="0"
"-var-info-type x2112"
^done,type="std::string"
"-var-info-num-children x2112"
^done,numchild="2"
"-var-evaluate-expression x2112"
^done,value="{...}"
"-var-list-children --no-values x2112"
^done,numchild="2",
children=[
child={name="x2112.public", exp="public", numchild="1", thread-id="1"},
child={name="x2112.private", exp="private", numchild="3", thread-id="1"}
],
has_more="0"
"-var-list-children --no-values x2112.public"
^done,numchild="1",
children=[
child={name="x2112.public.npos",exp="npos",numchild="0",type="const std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::size_type",thread-id="1"}
],
has_more="0"
"-var-list-children --no-values x2112.private"
^done,numchild="3",
children=[
child={name="x2112.private._M_dataplus",exp="_M_dataplus",numchild="2",type="std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider",thread-id="1"},
child={name="x2112.private._M_string_length",exp="_M_string_length",numchild="0",type="std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::size_type",thread-id="1"},
child={name="x2112.private.2_anonymous",exp="<anonymous union>",numchild="1",type="union {...}",thread-id="1"}
],
has_more="0"
"-var-list-children --no-values x2112.public.npos"
^done,numchild="0",has_more="0"
"-var-show-attributes seer4.public.name"
"-var-show-attributes seer4.public.age"
^done,attr="noneditable"
^done,attr="editable"
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