diff options
Diffstat (limited to 'main.py')
| -rwxr-xr-x | main.py | 55 |
1 files changed, 48 insertions, 7 deletions
@@ -17,6 +17,8 @@ import datetime # TODO-doesnt support non-byte-sized reads # TODO-doesnt support big-endian normal reads +# TODO-memory management!! +# TODO-conditional for READs def type_resolver(elem, elem_list): type_str = elem.attrib["type"] type_name = elem.attrib["name"] @@ -186,6 +188,11 @@ class Argparser(object): parser.add_argument("--singlefilename", type=str, help="name of the single file") self.args = parser.parse_args() +class C_Obj(): + def __init__(self, str, ancestry): + self.malloc = str + self.ancestry = ancestry + def dupemake(path, main_name): copy("./resources/makefile", path) makefile_path = get_full_path(path, "makefile") @@ -214,6 +221,7 @@ class CodeGen(object): self.read_flags = "" self.struct_source = "" self.struct_flags = "" + self.malloc_list = [] def file_manager(self): if self.argparser.args.singlefile: @@ -257,6 +265,10 @@ class CodeGen(object): for node in self.root.iter(): print(node.tag) + def dump_malloc(self): + for obj in self.malloc_list: + print(obj.malloc + ":" + str(obj.ancestry)) + def gen_reader_funcs(self): temp_dec_list = [] @@ -283,6 +295,7 @@ class CodeGen(object): dummy_string += ", " + elem.attrib["name"] + "*" + " dummy_" + elem.attrib["name"] read_source.write(static + inline + text.c_read_elem_sig.replace("YYY", elem.attrib["name"]).replace("XXX", elem.attrib["name"]+pointer)) read_source.write("dummy = malloc(sizeof(" + elem.attrib["name"] + "));\n") + self.malloc_list.append(C_Obj(elem.attrib["name"], [elem.tag])) count = get_elem_count(elem) if count == 1: for child in elem: @@ -305,6 +318,7 @@ class CodeGen(object): if ref_node: read_source.write("if (dummy->" + cond_name + "==" + str(cond.text) + "){\n") read_source.write("dummy->" + cond.attrib["name"] + "=malloc(sizeof(" + ref_node.attrib["name"] + "));") + self.malloc_list.append(C_Obj(ref_node.attrib["name"], [elem.tag, child.tag])) if child_count == 1: for_read = text.c_read_elem_sig_2.replace("XXX", ref_node_name).replace("YYY", "dummy->" + cond.attrib["name"]) + ";\n" read_source.write(for_read) @@ -315,6 +329,7 @@ class CodeGen(object): count_name_str = cond.attrib["count"][6:] read_source.write("if (" + "dummy->" + get_node_name(count_name_str, elem) + ")\n") read_source.write("dummy->" + cond.attrib["name"] + " = " + "malloc(sizeof(void*)*" + "dummy->" + get_node_name(count_name_str, child) + ");\n") + self.malloc_list.append(C_Obj("sizeof(void*)*dummy->"+get_node_name(count_name_str, child), [elem.attrib["name"], child.attrib["name"], cond.arrtib["name"]])) for_read = text.c_read_elem_sig_2.replace("XXX", ref_node_name).replace("YYY", "dummy->" + cond.attrib["name"] + "[i]") + ";\n" read_source.write(text.simple_loop.replace("YYY", for_read).replace("XXX", "dummy->" + get_node_name(count_name_str, child))) read_source.write("}\n") @@ -435,6 +450,7 @@ class CodeGen(object): void_source_h.write('#ifndef FT_AGGREGATE_H\n#define FT_AGGREGATE_H\n') void_source_h.write('#ifdef __cplusplus\nextern "C" {\n#endif\n') void_source_h.write('#include "./structs.h"\n') + # generating the extern declarations and definitions for elem in self.read_elems: count = get_elem_count(elem) size = get_elem_size(elem) @@ -444,6 +460,7 @@ class CodeGen(object): else: void_source_h.write("extern " + elem.attrib["name"] + "* " + elem.attrib["name"] + "_container;\n") void_source.write(elem.attrib["name"] + "* " + elem.attrib["name"] + "_container;\n") + ''' for child in elem: ref_node_name = type_resolver(child, self.def_elems) ref_node = get_def_node(ref_node_name, self.def_elems) @@ -456,6 +473,8 @@ class CodeGen(object): else: void_source_h.write("extern " + ref_node.attrib["name"] + "* " + elem.attrib["name"] + "_" + child.attrib["name"] + "_container;\n") void_source.write(ref_node.attrib["name"] + "* " + elem.attrib["name"] + "_" + child.attrib["name"] + "_container;\n") + ''' + # end void_source.write("void malloc_all(void) {\n") void_source_h.write("void malloc_all(void);\n") count_int = int() @@ -481,9 +500,9 @@ class CodeGen(object): if size > 0: count_int+=size if size < 0: count_void+=1 sizeof = (str(count_int) if count_int > 0 else ("")) + ("+" if count_void>0 and count_int>0 else "") + ((str(count_void)+"*"+"sizeof(void*)") if count_void > 0 else "") - self.mem_size[elem.attrib["name"]] = text.c_reserve_void_ptr.replace("XXX", sizeof) + #self.mem_size[elem.attrib["name"]] = text.c_reserve_void_ptr.replace("XXX", sizeof) #void_source.write(elem.attrib["name"] + "* " + elem.attrib["name"] + "_container" + " = " + text.c_reserve_void_ptr.replace("XXX", sizeof) + ";\n") - void_source.write(elem.attrib["name"] + "_container" + " = " + text.c_reserve_void_ptr.replace("XXX", sizeof) + ";\n") + #void_source.write(elem.attrib["name"] + "_container" + " = " + text.c_reserve_void_ptr.replace("XXX", sizeof) + ";\n") count_int = 0 count_void = 0 else: @@ -499,9 +518,9 @@ class CodeGen(object): if size > 0: count_int+=size else: count_void+=1 sizeof = (str(count_int)+"+" if count_int > 0 else "") + (str(count_void)+"*"+"sizeof(void*)") if count_void > 0 else "" - self.mem_size[elem.attrib["name"]] = text.c_reserve_void_ptr.replace("XXX", sizeof) + #self.mem_size[elem.attrib["name"]] = text.c_reserve_void_ptr.replace("XXX", sizeof) #void_source.write(elem.attrib["name"] + "* " + elem.attrib["name"] + "_container" + " = " + text.c_reserve_void_ptr.replace("XXX", sizeof) + ";\n") - void_source.write(elem.attrib["name"] + "_container" + " = " + text.c_reserve_void_ptr.replace("XXX", sizeof) + ";\n") + #void_source.write(elem.attrib["name"] + "_container" + " = " + text.c_reserve_void_ptr.replace("XXX", sizeof) + ";\n") count_int = 0 count_void = 0 void_source.write("}\n") @@ -519,8 +538,26 @@ class CodeGen(object): agg_source = open(self.aggregate_source, "a") agg_source_h = open(self.aggregate_source_h, "a") agg_source_h.write("void read_aggr(int _fd);\n") + agg_source.write("uint8_t eof = 0U;") for elem in self.read_elems: + if "unorderedbegin" in elem.attrib: + agg_source.write("do {\n") + + if "unordered" in elem.attrib: + for child in elem: + if "issign" in child.attrib: + sign_type = type_resolver(child, self.def_elems+ self.read_elems) + sign_name = " dummy_" + child.attrib["name"] + elem.attrib["name"] + agg_source.write("if (read(_fd, &eof, 1)<0) break;\nelse lseek(_fd, -1, SEEK_CUR);\n") + agg_source.write(sign_type + sign_name + ";\n") + agg_source.write(text.c_read_gen.replace("XXX", sign_name).replace("YYY", sign_type)) + agg_source.write("lseek(_fd, -sizeof(" + sign_type + "), SEEK_CUR);\n") + agg_source.write("if (" + sign_name + "==" + child.text + "){\n") agg_source.write(elem.attrib["name"] + "_container = " + "ft_read_" + elem.attrib["name"] + "(_fd," + elem.attrib["name"] + "_container" + ");\n") + if "unordered" in elem.attrib: agg_source.write("}\n") + + if "unorderedend" in elem.attrib: + agg_source.write("}while(0);\n") agg_source.write("}\n") #FIXME-not handling double pointers @@ -588,11 +625,14 @@ class CodeGen(object): struct_source = open(self.struct_source_h, "w") struct_source_c = open(get_full_path(self.argparser.args.outdir, "structs.c"), "w") struct_source.write("#ifndef FT_STRUCTS_H\n#define FT_STRUCTS_H\n") - struct_source_c.write('#include "structs.h"') - struct_source.write('#include <unistd.h>') + struct_source_c.write('#include "structs.h"\n') + struct_source.write('#include <unistd.h>\n') struct_source.write(text.pre_header_guard) struct_source.write(text.autogen_warning) - if self.argparser.args.datetime: struct_source.write("// " + self.dnt + "\n") + struct_source_c.write(text.autogen_warning) + if self.argparser.args.datetime: + struct_source.write("// " + self.dnt + "\n") + struct_source_c.write("// " + self.dnt + "\n") struct_source.write(text.header_guard_begin.replace("XXX", "structs".upper())) struct_source.write(text.header_inttype) struct_source_c.write(text.c_read_leb_u_def + "\n") @@ -675,6 +715,7 @@ class CodeGen(object): #self.dump_all_childs() self.gen_release() self.gen_return() + #self.dump_malloc() # write code here |