Unions nested inside structures are not parsed #37
Comments
RduMarais
changed the title
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Definitely a bug. I don't really have an interest in fixing this myself (lots of stuff going on), but I can provide guidance for debugging/fixing this if you would like to fix it. |
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I had a lookat the parsing method, it appears that the method def _evaluate_class_stack(self):
parent = self.curClass
if parent:
debug_print("found nested subclass")
self.accessSpecifierStack.append(self.curAccessSpecifier)
if self.nameStack[0] == "typedef":
del self.nameStack[0]
if len(self.nameStack) == 1:
if self.nameStack[0] == "struct":
self.anon_struct_counter += 1
# We cant handle more than 1 anonymous struct, so name them uniquely
self.nameStack.append("anon-struct-%d" % self.anon_struct_counter)
elif self.nameStack[0] == "union":
self.anon_union_counter += 1
# We cant handle more than 1 anonymous union, so name them uniquely
self.nameStack.append("anon-union-%d" % self.anon_union_counter)However, when I try with only a |
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I find that setting the environment variable |
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I used this to investigate a little bit, this is my debug log : for a nested structure in the same file from my comprehension, the parser gets to the line 2371, where it decides what to do with the variable.
So my second issue here is that i can not parse an array of nested classes. |
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So I made a pull request with a few changes that should not break anything. This bug is made of 2 problems :
the second issue should be adressed in the PR but the first one needs deeper changes |
Hello everyone!
Thank you for maintaining this library, and fixing various bugs with the original library.
I am trying to parse headers with a anonymous union defined inside a struct :
However, this union is not parsed as such, and i have no way of isolating the data allocated inside the union from the rest of the structure.
Output, printed as another C header gives :
As you can see the resulting memory allocated is not correct.
The output in json is :
{ "headerFileName": "report_issue/input_union.h", "curClass": "", "classes": { "ITM_Type": { "nested_classes": [], "abstract": false, "final": false, "namespace": "", "using": {}, "name": "ITM_Type", "bare_name": "<anon-struct-1>", "inherits": [], "filename": "report_issue/input_union.h", "line_number": 2, "methods": { "public": [], "protected": [], "private": [] }, "properties": { "public": [ { "extern": false, "array": 0, "filename": "report_issue/input_union.h", "line_number": 6, "function_pointer": 0, "type": "volatile uint8_t", "name": "u8", "aliases": [ "volatile" ], "typedef": null, "constant": 0, "constexpr": 0, "reference": 0, "pointer": 0, "static": 0, "typedefs": 0, "class": 0, "fundamental": 0, "unresolved": true, "namespace": "", "property_of_class": "<anon-struct-1>", "mutable": false, "raw_type": "volatile uint8_t" }, { "extern": false, "array": 0, "filename": "report_issue/input_union.h", "line_number": 7, "function_pointer": 0, "type": "volatile uint16_t", "name": "u16", "aliases": [ "volatile" ], "typedef": null, "constant": 0, "constexpr": 0, "reference": 0, "pointer": 0, "static": 0, "typedefs": 0, "class": 0, "fundamental": 0, "unresolved": true, "namespace": "", "property_of_class": "<anon-struct-1>", "mutable": false, "raw_type": "volatile uint16_t" }, { "extern": false, "array": 0, "filename": "report_issue/input_union.h", "line_number": 8, "function_pointer": 0, "type": "volatile uint32_t", "name": "u32", "aliases": [ "volatile" ], "typedef": null, "constant": 0, "constexpr": 0, "reference": 0, "pointer": 0, "static": 0, "typedefs": 0, "class": 0, "fundamental": 0, "unresolved": true, "namespace": "", "property_of_class": "<anon-struct-1>", "mutable": false, "raw_type": "volatile uint32_t" }, { "extern": false, "array_size": "32", "array": 1, "filename": "report_issue/input_union.h", "line_number": 9, "function_pointer": 0, "type": "PORT", "name": "", "aliases": [ "PORT" ], "typedef": null, "constant": 0, "constexpr": 0, "reference": 0, "pointer": 0, "static": 0, "typedefs": 0, "class": 0, "fundamental": 0, "unresolved": true, "namespace": "", "property_of_class": "<anon-struct-1>", "mutable": false, "raw_type": "PORT" }, { "extern": false, "array_size": "864", "array": 1, "filename": "report_issue/input_union.h", "line_number": 10, "function_pointer": 0, "type": "uint32_t", "name": "RESERVED0", "aliases": [ "uint32_t" ], "typedef": null, "constant": 0, "constexpr": 0, "reference": 0, "pointer": 0, "static": 0, "typedefs": 0, "class": 0, "fundamental": 0, "unresolved": true, "namespace": "", "property_of_class": "<anon-struct-1>", "mutable": false, "raw_type": "uint32_t" }, { "extern": false, "array": 0, "filename": "report_issue/input_union.h", "line_number": 11, "function_pointer": 0, "type": "volatile uint32_t", "name": "TER", "aliases": [ "volatile" ], "typedef": null, "constant": 0, "constexpr": 0, "reference": 0, "pointer": 0, "static": 0, "typedefs": 0, "class": 0, "fundamental": 0, "unresolved": true, "namespace": "", "property_of_class": "<anon-struct-1>", "mutable": false, "raw_type": "volatile uint32_t" }, ], "protected": [], "private": [] }, "enums": { "public": [], "protected": [], "private": [] }, "typedefs": { "public": [], "protected": [], "private": [] }, "forward_declares": { "public": [], "protected": [], "private": [] }, "declaration_method": "struct" } }, "functions": [], "pragmas": [], "defines": [], "includes": [], "headerFileNames": [ "report_issue/input_union.h" ], "enums": [], "variables": [], "global_enums": {}, "typedefs": {}, "namespaces": [], "using": {} }Thanks in advance for any help
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