diff options
Diffstat (limited to 'source3/aparser/parsetree.awk')
| -rw-r--r-- | source3/aparser/parsetree.awk | 115 |
1 files changed, 114 insertions, 1 deletions
diff --git a/source3/aparser/parsetree.awk b/source3/aparser/parsetree.awk index 6fee6e2a4a..832cd5f2e8 100644 --- a/source3/aparser/parsetree.awk +++ b/source3/aparser/parsetree.awk @@ -1,5 +1,14 @@ # build the parse tree for a struct file +function find_structure(name, + LOCAL, i) +{ + for (i=0;i<num_structs;i++) { + if (structs[i, "name"] == name) return i; + } + return "-1"; +} + function start_module(name) { module=name; @@ -81,15 +90,119 @@ function start_union(elem) unions[current_union, "num_elems"] = 0; } +function start_union_notencap(switch) +{ + add_struct_elem("uint32", "switch_"switch); + start_union("UNKNOWN[switch_"switch"]"); +} + +function start_union_encap(struct, type, switch, union) +{ + start_struct(struct); + add_struct_elem(type, switch); + add_struct_elem(type, "switch_"switch); + start_union(union"[switch_"switch"]"); + encap_union="1"; +} + function parse_case(case, type, elem, LOCAL, elem_num) { + split(case, a, "[:]"); + case = a[1]; elem_num = unions[current_union, "num_elems"]; unions[current_union, elem_num] = add_element(type, elem, case); unions[current_union, "num_elems"]++; } -function end_union() +function end_union(name) { + if (name!="") { + elements[current_union, "elem"] = name; + } current_union=""; + if (encap_union=="1") { + end_struct(name); + encap_union="0"; + } +} + +function delete_element(struct, elnum, + LOCAL, i) +{ + for (i=elnum;i<structs[struct,"num_elems"]-1;i++) { + structs[struct, i] = structs[struct, i+1]; + } + structs[struct, "num_elems"]--; +} + +function copy_struct(from, to, + LOCAL, i) +{ + for (i=0;i<structs[from,"num_elems"];i++) { + structs[to, i] = structs[from, i]; + } + structs[to, "name"] = structs[from, "name"]; + structs[to, "num_elems"] = structs[from, "num_elems"]; + structs[to, "num_unions"] = structs[from, "num_unions"]; } + +function add_sizeis_array(count, type, elem) +{ + copy_struct(current_struct, current_struct+1); + elem=substr(elem,2); + start_struct("array_"current_struct"_"elem); + add_struct_elem("uint32", count); + add_struct_elem(type, elem"["count"]"); + end_struct(""); + current_struct=num_structs; + add_struct_elem("array_"current_struct-1"_"elem, "*"elem"_ptr"); +} + + +function start_function(type, fname) +{ + start_struct(fname); + add_function_param("[in,out]",".trailer", ""); +} + +function end_function(LOCAL, i) +{ + copy_struct(num_structs, num_structs+1); + structs[num_structs, "name"] = "Q_"structs[num_structs, "name"]; + for (i=0;i<structs[num_structs, "num_elems"];i++) { + if (match(elements[structs[num_structs, i], "properties"], "in") == 0) { + delete_element(num_structs, i); + i--; + } + } + end_struct(); + current_struct=num_structs; + structs[num_structs, "name"] = "R_"structs[num_structs, "name"]; + for (i=0;i<structs[num_structs, "num_elems"];i++) { + if (match(elements[structs[num_structs, i], "properties"], "out") == 0) { + delete_element(num_structs, i); + i--; + } + } + add_function_param("[out]", "STATUS", "status"); + end_struct(); +} + +function add_function_param(properties, type, elem, + LOCAL, elnum, len) +{ + len=length(type); + if (substr(type, len) == "*") { + type=substr(type, 1, len-1); + elem="*"elem; + } + if (substr(elem,1,1) == "*" && + (match(properties,"in") == 0 || + find_structure(type) != "-1")) { + elem=substr(elem, 2); + } + elnum = add_struct_elem(type, elem); + elements[elnum, "properties"] = properties; +} + |