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infer_clone/infer/src/clang/cFrontend_utils.mli

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initial synchronization
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(*
[whitespace] ocp-indent the code Summary: This commit is the result of `find infer/src -name '*.ml' -or -name '*.mli' -exec ocp-indent -i \{\} \;` and `INFER_CHECK_COPYRIGHT=1 InferPrint`
10 years ago
* Copyright (c) 2013 - present Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*)
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(** Module for utility functions for the whole frontend. Includes functions for printing, *)
(** for transformations of ast nodes and general utility functions such as functions on lists *)
module Printing :
sig
[clang frontend] Simplify logging functions.
10 years ago
val log_out : ('a, Format.formatter, unit) format -> 'a
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[clang frontend] Simplify logging functions.
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val log_err : ('a, Format.formatter, unit) format -> 'a
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[clang frontend] Simplify logging functions.
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val log_stats : ('a, Format.formatter, unit) format -> 'a
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val print_failure_info : string -> unit
val print_tenv : Sil.tenv -> unit
val print_tenv_struct_unions : Sil.tenv -> unit
val print_procedures : Cfg.cfg -> unit
val print_nodes : Cfg.Node.t list -> unit
val instrs_to_string : Sil.instr list -> string
Remove property of maps Summary: public Remove property of maps and make sure that we add to the tenv the property attributes by folowing the link between the property and the corresponding ivar. Reviewed By: ddino Differential Revision: D2755887 fb-gh-sync-id: beeecaf
9 years ago
val field_to_string : Ident.fieldname * Sil.typ * Sil.item_annotation -> string
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end
module Ast_utils :
sig
val string_of_stmt : Clang_ast_t.stmt -> string
val get_stmts_from_stmt : Clang_ast_t.stmt -> Clang_ast_t.stmt list
val string_of_decl : Clang_ast_t.decl -> string
val string_of_unary_operator_kind : Clang_ast_t.unary_operator_kind -> string
Update facebook-clang-plugin Summary: This makes infer C frontend compatible with new scheme for naming which has: 1. plain name (like 'fun') 2. qualified name (reversed list like ['fun', 'class', 'top_class', 'namespace'])
10 years ago
val name_opt_of_name_info_opt : Clang_ast_t.named_decl_info option -> string option
[clang] Using qual names for fields Summary: Using the qualified names of fields to create mangled names. This removes the need to search for the fields in the tenv when translating a field access. That was only done to build the correct mangled name, The rest of the changes are using the qualified names for ivars and property names in the property module, which is needed to make it work. Basically a big chain of changes of using qualified names to make the code compile.
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val property_name : Clang_ast_t.obj_c_property_impl_decl_info -> Clang_ast_t.named_decl_info
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[clang] unopen some modules Summary: Use local open instead of open for modules, except utility ones.
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val property_attribute_compare : Clang_ast_t.property_attribute -> Clang_ast_t.property_attribute -> int
initial synchronization
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[clang] Using qual names for fields Summary: Using the qualified names of fields to create mangled names. This removes the need to search for the fields in the tenv when translating a field access. That was only done to build the correct mangled name, The rest of the changes are using the qualified names for ivars and property names in the property module, which is needed to make it work. Basically a big chain of changes of using qualified names to make the code compile.
10 years ago
val generated_ivar_name : Clang_ast_t.named_decl_info -> Clang_ast_t.named_decl_info
[clang] Adding getters and setters for all the methods
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[clang] unopen some modules Summary: Use local open instead of open for modules, except utility ones.
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val property_attribute_eq : Clang_ast_t.property_attribute -> Clang_ast_t.property_attribute -> bool
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val get_memory_management_attributes : unit -> Clang_ast_t.property_attribute list
val is_retain : Clang_ast_t.property_attribute option -> bool
val is_copy : Clang_ast_t.property_attribute option -> bool
getting started on a Nullable annotation checker for obj-c Summary: public This only supports parameters for now, but should be easy to extend to return values and fields. The work of this diff is all in the translation--the task of finding annotations and doing the actual checking is handled by existing code. Reviewed By: akotulski Differential Revision: D2706791 fb-gh-sync-id: 0d706a8
9 years ago
val is_type_nonnull : Clang_ast_t.type_ptr -> bool
val is_type_nullable : Clang_ast_t.type_ptr -> bool
[clang] Translating nonnull attributes as assertions
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initial synchronization
10 years ago
val get_fresh_pointer : unit -> string
Update fcp, add support for pointers to declarations
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val get_invalid_pointer : unit -> string
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val type_from_unary_expr_or_type_trait_expr_info :
Update fcp and remove qual_type type Summary: @​public qual_type was the same as type_ptr, so it was removed. This commit makes it compatible with facebook-clang-plugins Commands ran: codemod --extensions ml,mli 'qual_type' 'type_ptr' codemod --extensions ml,mli 'qt' 'tp' If there is any other popular name for qual_type, let me know Reviewed By: @dulmarod Differential Revision: D2498289
10 years ago
Clang_ast_t.unary_expr_or_type_trait_expr_info -> Clang_ast_t.type_ptr option
initial synchronization
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[C++] Add cpp methods signatures and implementations Summary: Handle C++ method declarations and create cfgs for them. Doesn't do: Method calls (CXXMethodCall) Using `this` expression in methods (including implicit ones)
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val get_decl : Clang_ast_t.pointer -> Clang_ast_t.decl option
Using clang's method resolution if possible Summary: public Using clang's method resolution. This means that, in method calls, clang gives you a pointer to the declaration of the method. In some cases though, clang doesn't find the right method. For example, when it finds a method in a category, we need to make it into a method in the corresponding class, because that's how we treat categories in Infer. Moreover, when it finds a method in a protocol, that is not useful for us, since the implementation will be in some class. Finally, sometimes the call is on an object of type id, in which case clang doesn't know what is the correct declaration. In those cases, we fall back to what we were doing before of approximating the method resolution. We also refactor some of the code. Reviewed By: akotulski Differential Revision: D2679766 fb-gh-sync-id: b79bb85
9 years ago
val get_decl_opt : Clang_ast_t.pointer option -> Clang_ast_t.decl option
[C++] Add cpp methods signatures and implementations Summary: Handle C++ method declarations and create cfgs for them. Doesn't do: Method calls (CXXMethodCall) Using `this` expression in methods (including implicit ones)
10 years ago
Update facebook clang plugin after adding more info about ObjC properties Reviewed By: akotulski Differential Revision: D2729019 fb-gh-sync-id: ab67fde
9 years ago
val get_decl_opt_with_decl_ref : Clang_ast_t.decl_ref option -> Clang_ast_t.decl option
Add structured type_ptr Summary: @​public Get newest goodness from facebook-clang-plugins that allows us to change type of type_ptr during deserialization We are modifying clang_ast_types.ml that fcp/clang-ocaml expects to exist - we provide our own implementations of: t_ptr, pointer_to_type_ptr, type_ptr_to_pointer Reviewed By: @dulmarod Differential Revision: D2498623
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val update_sil_types_map : Clang_ast_t.type_ptr -> Sil.typ -> unit
[clang] [1 of 3] Replacing parser of types Summary: This is the first of 3 stack diffs to replace the parser of types in the clang frontend. In this diff we remove the parser and the lexer and add a new module that does the translation from ast types to sil types. It is still incomplete, i.e. many c++ types are still not treated. However, all the types that we were previously treating in C and ObjC are treated and some C++ ones, such that the tests pass and we get good results in the apps. Sometimes one needs to translate a record type when we havent translated the record itself, so the translation of types and of records needs to be mutual recursive. I managed however to get them into different modules and achieve the mutual recursion using higher order functions.
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Translate enums as ints and not add them to the tenv Summary: public This diff changes the way we treat enums in Infer. 1. The semantics of the translation is now correct, it was a bit incorrect before. 2. We don't add the enum types to the tenv anymore, which saves a lot of disk space and avoids errors in the backend dealing with the enum type. Reviewed By: akotulski Differential Revision: D2641903 fb-gh-sync-id: 6295e5f
9 years ago
val update_enum_map : Clang_ast_t.pointer -> Sil.exp -> unit
val add_enum_constant : Clang_ast_t.pointer -> Clang_ast_t.pointer option -> unit
val get_enum_constant_exp : Clang_ast_t.pointer -> Clang_ast_t.pointer option * Sil.exp option
Fix naming problems with template methods Summary: public there was a problem with templated method names that had '/' in its names. This happened for names like this: `method_name<(anonymous lambda in path/to/src:1:1)>` Plus random fix to backend logging Reviewed By: dulmarod Differential Revision: D2749359 fb-gh-sync-id: b9a0fcd
9 years ago
(** returns sanitized, fully qualified name given name info *)
Use qual_name to extract class name from method decl Summary: public New qual_name exporting logic in facebook-clang-plugins handles anonymous classes in much better way. This allows us to simplify name generation for classes that don't rely on a type of the object (which could be wrong for methods from superclasses). Reviewed By: dulmarod Differential Revision: D2663810 fb-gh-sync-id: 08146b8
9 years ago
val get_qualified_name : Clang_ast_t.named_decl_info -> string
Fix naming problems with template methods Summary: public there was a problem with templated method names that had '/' in its names. This happened for names like this: `method_name<(anonymous lambda in path/to/src:1:1)>` Plus random fix to backend logging Reviewed By: dulmarod Differential Revision: D2749359 fb-gh-sync-id: b9a0fcd
9 years ago
(** returns sanitized unqualified name given name info *)
val get_unqualified_name : Clang_ast_t.named_decl_info -> string
Use qual_name to extract class name from method decl Summary: public New qual_name exporting logic in facebook-clang-plugins handles anonymous classes in much better way. This allows us to simplify name generation for classes that don't rely on a type of the object (which could be wrong for methods from superclasses). Reviewed By: dulmarod Differential Revision: D2663810 fb-gh-sync-id: 08146b8
9 years ago
(** returns qualified class name given member name info *)
val get_class_name_from_member : Clang_ast_t.named_decl_info -> string
[clang] [3 of 3] Changes to the translation of record, classes and enums Summary: This is the second of 3 stack diffs to deal with replacing the parser of types. This diff is about changes to translate record types, as well as class types and enum types. For class types and enum types we store the declaration pointer in the map of types to find the type easier later. For record declarations, we change the way we build record names. Moreover, we don't translate typedefs anymore, because when we have a pointer to a typedef, we can find the actual type it points to.
10 years ago
Add structured type_ptr Summary: @​public Get newest goodness from facebook-clang-plugins that allows us to change type of type_ptr during deserialization We are modifying clang_ast_types.ml that fcp/clang-ocaml expects to exist - we provide our own implementations of: t_ptr, pointer_to_type_ptr, type_ptr_to_pointer Reviewed By: @dulmarod Differential Revision: D2498623
10 years ago
(** looks up clang pointer to type and returns c_type. It requires type_ptr to be `TPtr. *)
val get_type : Clang_ast_t.type_ptr -> Clang_ast_t.c_type option
[C++] Add inheritance information for C++ classes Summary: Pass inheritance information to the backend It also changes some functions in cTypes_decl and we are using type and decl maps to resolve these types
10 years ago
Add structured type_ptr Summary: @​public Get newest goodness from facebook-clang-plugins that allows us to change type of type_ptr during deserialization We are modifying clang_ast_types.ml that fcp/clang-ocaml expects to exist - we provide our own implementations of: t_ptr, pointer_to_type_ptr, type_ptr_to_pointer Reviewed By: @dulmarod Differential Revision: D2498623
10 years ago
(** looks up clang pointer to type and resolves any sugar around it.
See get_type for more info and restrictions *)
val get_desugared_type : Clang_ast_t.type_ptr -> Clang_ast_t.c_type option
[C++] Add inheritance information for C++ classes Summary: Pass inheritance information to the backend It also changes some functions in cTypes_decl and we are using type and decl maps to resolve these types
10 years ago
(** returns declaration of the type for certain types and crashes for others
NOTE: this function needs extending to handle objC types *)
make get_decl_from_typ_ptr return optional type instead of crashing Summary: public Make Ast_utils.get_decl_from_typ_ptr function more forgiving. It will return None instead of crashing when there is no decl for a given type. This is done in prepratation to try to get destructor function of any type without crashing. Reviewed By: dulmarod Differential Revision: D2769302 fb-gh-sync-id: 7a9fcfe
9 years ago
val get_decl_from_typ_ptr : Clang_ast_t.type_ptr -> Clang_ast_t.decl option
[C++] Add inheritance information for C++ classes Summary: Pass inheritance information to the backend It also changes some functions in cTypes_decl and we are using type and decl maps to resolve these types
10 years ago
Update fcp and remove qual_type type Summary: @​public qual_type was the same as type_ptr, so it was removed. This commit makes it compatible with facebook-clang-plugins Commands ran: codemod --extensions ml,mli 'qual_type' 'type_ptr' codemod --extensions ml,mli 'qt' 'tp' If there is any other popular name for qual_type, let me know Reviewed By: @dulmarod Differential Revision: D2498289
10 years ago
val string_of_type_ptr : Clang_ast_t.type_ptr -> string
[clang] Removing the use of raw types Summary: This diff aims at removing the occurrences of the types in string form so that we can remove them from the ast which will save space. There is one occurrence left regarding attributes that will be handled later by Andrzej. We build a function to create a string out of a function type used for name mangling.
10 years ago
[clang] Using qual names for fields Summary: Using the qualified names of fields to create mangled names. This removes the need to search for the fields in the tenv when translating a field access. That was only done to build the correct mangled name, The rest of the changes are using the qualified names for ivars and property names in the property module, which is needed to make it work. Basically a big chain of changes of using qualified names to make the code compile.
10 years ago
val make_name_decl : string -> Clang_ast_t.named_decl_info
Use qual_name to extract class name from method decl Summary: public New qual_name exporting logic in facebook-clang-plugins handles anonymous classes in much better way. This allows us to simplify name generation for classes that don't rely on a type of the object (which could be wrong for methods from superclasses). Reviewed By: dulmarod Differential Revision: D2663810 fb-gh-sync-id: 08146b8
9 years ago
val make_qual_name_decl : string list -> string -> Clang_ast_t.named_decl_info
[clang] Using qual names for fields Summary: Using the qualified names of fields to create mangled names. This removes the need to search for the fields in the tenv when translating a field access. That was only done to build the correct mangled name, The rest of the changes are using the qualified names for ivars and property names in the property module, which is needed to make it work. Basically a big chain of changes of using qualified names to make the code compile.
10 years ago
Translate classes on demand Summary: public Translate classes and protocols on demand only. This saves space in the tenv and time. The categories still cannot be translated on demand because there is no pointer to them from the classes. Andrzej is fixing that. We had to make cTypes_Decl and the modules for translating classes, protocols and categories mutually recursive. Moreover, we had to reorder the method for adding classes to the tenv to receive a decl and return a type. Reviewed By: ddino Differential Revision: D2595610 fb-gh-sync-id: ca76068
9 years ago
type type_ptr_to_sil_type = Sil.tenv -> Clang_ast_t.type_ptr -> Sil.typ
val add_type_from_decl_ref : type_ptr_to_sil_type -> Sil.tenv -> Clang_ast_t.decl_ref option ->
bool -> unit
val add_type_from_decl_ref_list : type_ptr_to_sil_type -> Sil.tenv -> Clang_ast_t.decl_ref list ->
unit
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end
module General_utils :
sig
Framework to emit warning from frontend Reviewed By: dulmarod Differential Revision: D2564879 fb-gh-sync-id: 46e0a03
9 years ago
type warning_desc = {
name : string;
description : string;
suggestion : string; (* an optional suggestion or correction *)
Moving the property frontend checkers to a dummy procdesc Summary: public This puts the bugs found with the checker strong delegate to a dummy method. The error message will appear in the line of the class implementation definition, since the properties are likely to be defined in the h file, and getting the reporting in a file that is not the current is difficult. Reviewed By: ddino Differential Revision: D2718016 fb-gh-sync-id: 66273a4
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loc : Location.t;
Framework to emit warning from frontend Reviewed By: dulmarod Differential Revision: D2564879 fb-gh-sync-id: 46e0a03
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}
Remove variable resolution and use pointers to declarations instead Summary: @​public This removes the old way of finding variable declarations to create sil variables and replaces it with a a new way based on the map from pointers to declarations. Basically, every variable dereference contains a pointer to the variable declaration, with that we can build the corresponding sil variable. Reviewed By: @akotulski Differential Revision: D2536000 fb-gh-sync-id: dd29cf9
9 years ago
type var_info = Clang_ast_t.decl_info * Clang_ast_t.type_ptr * Clang_ast_t.var_decl_info * bool
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val string_from_list : string list -> string
val append_no_duplicates_fields : (Ident.fieldname * Sil.typ * Sil.item_annotation) list ->
[whitespace] ocp-indent the code Summary: This commit is the result of `find infer/src -name '*.ml' -or -name '*.mli' -exec ocp-indent -i \{\} \;` and `INFER_CHECK_COPYRIGHT=1 InferPrint`
10 years ago
(Ident.fieldname * Sil.typ * Sil.item_annotation) list -> (Ident.fieldname * Sil.typ * Sil.item_annotation) list
initial synchronization
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Extract the kind of data structure, Class Struct or Union, into it own module Summary: public Move the representation of data-structure into it own module, so that it can be used by modules `Sil` depends from like `Procname`. Reviewed By: jberdine Differential Revision: D2772791 fb-gh-sync-id: cda4e3a
9 years ago
val append_no_duplicates_csu :
(Csu.t * Mangled.t) list -> (Csu.t * Mangled.t) list -> (Csu.t * Mangled.t) list
initial synchronization
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val append_no_duplicates_methods : Procname.t list -> Procname.t list -> Procname.t list
val append_no_duplicated_vars : (Mangled.t * Sil.typ) list -> (Mangled.t * Sil.typ) list -> (Mangled.t * Sil.typ) list
val append_no_duplicated_pvars : (Sil.exp * Sil.typ) list -> (Sil.exp * Sil.typ) list -> (Sil.exp * Sil.typ) list
[clang] Sorting the fields in structs and classes. Was needed in the backend and forgotten. Summary: @public Sorting the fields in structs and classes. Was needed in the backend and forgotten. Fixes the github issue https://github.com/facebook/infer/issues/90. Test Plan: Added a new test that shows that we now get a spec for the example from the github issue.
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val sort_fields : (Ident.fieldname * Sil.typ * Sil.item_annotation) list -> (Ident.fieldname * Sil.typ * Sil.item_annotation) list
initial synchronization
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val collect_list_tuples : ('a list * 'b list * 'c list * 'd list * 'e list) list ->
[whitespace] ocp-indent the code Summary: This commit is the result of `find infer/src -name '*.ml' -or -name '*.mli' -exec ocp-indent -i \{\} \;` and `INFER_CHECK_COPYRIGHT=1 InferPrint`
10 years ago
'a list * 'b list * 'c list * 'd list * 'e list -> 'a list * 'b list * 'c list * 'd list * 'e list
initial synchronization
10 years ago
val swap_elements_list : 'a list -> 'a list
val is_static_var : Clang_ast_t.var_decl_info -> bool
val mk_fresh_block_procname : Procname.t -> Procname.t
val get_next_block_pvar : Procname.t -> Sil.pvar
val reset_block_counter : unit -> unit
val mk_function_decl_info_from_block : Clang_ast_t.block_decl_info -> Clang_ast_t.function_decl_info
val zip: 'a list -> 'b list -> ('a * 'b) list
val list_range: int -> int -> int list
val replicate: int -> 'a -> 'a list
[CFrontend] Replace names containing Method with ObjCMethod Summary: since C++ has methods as well, make names more explicit
10 years ago
val mk_procname_from_objc_method : string -> string -> Procname.objc_method_kind -> Procname.t
[C++] Add cpp methods signatures and implementations Summary: Handle C++ method declarations and create cfgs for them. Doesn't do: Method calls (CXXMethodCall) Using `this` expression in methods (including implicit ones)
10 years ago
[clang] Removing the use of raw types Summary: This diff aims at removing the occurrences of the types in string form so that we can remove them from the ast which will save space. There is one occurrence left regarding attributes that will be handled later by Andrzej. We build a function to create a string out of a function type used for name mangling.
10 years ago
val mk_procname_from_function : string -> (Clang_ast_t.decl_info * Clang_ast_t.function_decl_info)
Get better language information about functions/methods Summary: @​public First diff to give better language information in the frontend. This information is necessary to understand when 'self' is objc keyword, when 'this' is C++ keyword and when they are not. Reviewed By: @ddino, @dulmarod Differential Revision: D2489252
10 years ago
option -> Clang_ast_t.type_ptr -> CFrontend_config.lang -> Procname.t
[C++] Add cpp methods signatures and implementations Summary: Handle C++ method declarations and create cfgs for them. Doesn't do: Method calls (CXXMethodCall) Using `this` expression in methods (including implicit ones)
10 years ago
Update fcp and remove qual_type type Summary: @​public qual_type was the same as type_ptr, so it was removed. This commit makes it compatible with facebook-clang-plugins Commands ran: codemod --extensions ml,mli 'qual_type' 'type_ptr' codemod --extensions ml,mli 'qt' 'tp' If there is any other popular name for qual_type, let me know Reviewed By: @dulmarod Differential Revision: D2498289
10 years ago
val mk_procname_from_cpp_method : string -> string -> Clang_ast_t.type_ptr -> Procname.t
[C++] Add cpp methods signatures and implementations Summary: Handle C++ method declarations and create cfgs for them. Doesn't do: Method calls (CXXMethodCall) Using `this` expression in methods (including implicit ones)
10 years ago
[clang] Using qual names for fields Summary: Using the qualified names of fields to create mangled names. This removes the need to search for the fields in the tenv when translating a field access. That was only done to build the correct mangled name, The rest of the changes are using the qualified names for ivars and property names in the property module, which is needed to make it work. Basically a big chain of changes of using qualified names to make the code compile.
10 years ago
val mk_class_field_name : Clang_ast_t.named_decl_info -> Ident.fieldname
[C Frontend] Always add class prefix to a field name Summary: In objC we already prefix field names with classes. It's better to make it consistent since it'll allow us to share more code between C++ and objC
10 years ago
Remove variable resolution and use pointers to declarations instead Summary: @​public This removes the old way of finding variable declarations to create sil variables and replaces it with a a new way based on the map from pointers to declarations. Basically, every variable dereference contains a pointer to the variable declaration, with that we can build the corresponding sil variable. Reviewed By: @akotulski Differential Revision: D2536000 fb-gh-sync-id: dd29cf9
9 years ago
val mk_sil_var : Clang_ast_t.named_decl_info -> var_info option -> Procname.t -> Procname.t ->
Sil.pvar
Handle assignment operations correctly Summary: public C++ assignment operation result is lvalue, while in C it was rvalue. This leads to different AST produced by clang for then same code! Use language information from clang (`-x` flag) to distinguish these cases. More specifically, let's look at following code: int r; int f = (r = 3); // type of (r = 3) expression: // C/objC -> int rvalue // C++/objC++ -> int lvalue Existing code did extra dereference because it was rvalue in C and there was no cast afterwards in C++ there will be extra LValueToRvalue cast when neccesary so we don't have to do extra dereference manually Reference: http://en.cppreference.com/w/c/language/value_category (search for 'assignment and compound assignment operators') NOTE: AST output doesn't change when something is hidden behind `extern "C"`, so we should use global language information Reviewed By: ddino Differential Revision: D2549866 fb-gh-sync-id: b193b11
9 years ago
val is_cpp_translation : CFrontend_config.lang -> bool
initial synchronization
10 years ago
end