LibTooling is a library to support writing standalone tools based on Clang.
Questions tagged [libtooling]
152 questions
2
votes
0 answers
matching a @import declaration with ASTMatchers
I'm trying to match objc @import declarations using AST-matchers for a custom tool I'm creating; I'm using Result.Context->local_imports() but although I have @import statements in my source code and I'm passing the fmodules flag, the iterator…
Andrespch
- 370
- 3
- 16
2
votes
1 answer
How to get locations of asm statements with clang frontend
Sample code:
int f_i32() {
__asm {
mov eax, 1
mov edx, 1
}
}
AST for this code:
I get only MSASMStmt in AST and nothing from inside it.
I want to extract locations of ASM statements inside __asm block.
How can get those with clang…
Hemant
- 767
- 6
- 20
2
votes
2 answers
Getting the signature of a FunctionDecl
I got the FunctionDecl for the definition of a function. There is no declaration for this function.
For example:
int foo(char c, double d)
{
...
}
How do I get the signature (qualifier, return type, function name, parametrs) as a valid…
Fee
- 719
- 9
- 24
2
votes
1 answer
How to visit a serialized clang abstract syntax tree (AST)
I've been able to implement an ASTFrontendAction to create an ASTConsumer, which uses a RescursiveASTVisitor to traverse a translation unit decl, thereby visiting all the nodes of an AST for a given source file. I do this by implementing a…
JMLoy
- 121
- 1
- 1
- 6
2
votes
1 answer
Disable looking for pre-compiled header file in clang front-end
I have created a C++ frontend using clang lib-tooling and RecursiveAStVisitor.
I use pre-generated compile_commands.json file to load compilation database.
Sometimes compile command for a source file contains -include compiler argument. For…
Hemant
- 767
- 6
- 20
2
votes
1 answer
Clang LibTooling - How to use DependencyCollector
I'm trying to use the DependencyCollector class of Clang in my Tool to list all the dependencies in a file, lets say test.cpp
Here is my program:
#include "stdafx.h"
#include
#include "clang/Frontend/FrontendActions.h"
#include…
Bastian Wagner
- 23
- 5
2
votes
0 answers
how can I compare two decls in clang?
Besides simply get and check the decls' name, are there some methods in clang to compare whether two or more decls (clang::Decl) are same or not?
ignorer
- 327
- 1
- 11
2
votes
1 answer
clang libtooling insert a new header safely
I'm using clang's libtooling to modify some code and I'm trying to find a way to safely insert a header whenever my tool is used on a C file.
I've read What's the right way to match #includes (or #defines) using Clang's libtooling? question about…
Marcus Karpoff
- 451
- 5
- 16
2
votes
0 answers
Can addToCallGraph do everything for me to generate the call graph?
I want to generate the call graph for a particular function in a .cpp file.
I get the function's decl by using AST Matcher. Then, I pass the decl to the addToCallGraph function;
clang::CallGraph CG; …
ignorer
- 327
- 1
- 11
2
votes
2 answers
How to get source location of #includes using clang libtooling?
Is there any way to get clang::SourceLocation for every #include in file by its clang::FileID or clang::FileEntry or something?
Yuriy
- 701
- 4
- 18
2
votes
0 answers
clang libtooling: How to check if a method is inherited from base class
I am working on a C++ parser using clang compiler front-end with libTooling library.
For the following code from LLVM Clang tests
// It is deleted if the corresponding constructor [...] is deleted.
struct G {
G(int) = delete; // expected-note…
Hemant
- 767
- 6
- 20
2
votes
1 answer
Get class information from ObjCPropertyDecl
I having some trouble extracting the class information from a clang ObjCPropertyDecl type.
Example Objective-C file:
#import
@interface Test: NSObject
@property (nonatomic, strong, nullable) NSObject *test;
@property…
danielbeard
- 9,120
- 3
- 44
- 58
2
votes
0 answers
How to use clang libtooling to change specific ctor definition
I just want to rewrite specific ctor definition. To find witch on to change I use 'normal' DeclarationMatcher
DeclarationMatcher ClassMatcher2 =
cxxRecordDecl(isDerivedFrom("X"),
has(fieldDecl(
…
teZeriusz
- 81
- 2
- 8
2
votes
3 answers
How can I use LibTooling/Clang in Visual Studio?
I'm trying to use LibTooling to replace function and variable names in C-code files. Thus I downloaded llvm and followed the instructions to set it up in windows using GMake and Visual Studio 2015.
There are many tutorials (e.g. this one) which I'd…
Alex H.
- 73
- 1
- 8
2
votes
2 answers
CXXRecords getNameAsString, how to get full name?
namespace A {
namespace B {
class C {
class D {
};
};
}
}
CXXRecords for D with getNameAsString would return D.
How can I get the fullname ::A::B::C::D ?
I tried to recursively call getParent…
KoKuToru
- 4,055
- 2
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- 21