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ClangQL is a tool that allow you to run SQL-like query on C/C++ Code instead of database files using the GitQL SDK

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ClangQL - Clang AST Query Language


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ClangQL is a tool that allow you to run SQL-like query on C/C++ Code instead of database files using the GitQL SDK.

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Samples

Note that all Keywords in ClangQL are case-insensitive, similar to SQL.

SELECT 1
SELECT 1 + 2
SELECT LEN("Clang Query Language")
SELECT "One" IN ("One", "Two", "Three")
SELECT "Clang Query Language" LIKE "%Query%"

SELECT * FROM functions
SELECT COUNT(name) from functions WHERE return_type = "int"
SELECT DISTINCT name AS function_name FROM functions

SELECT * FROM globals
SELECT COUNT(name) from globals WHERE type = "int"
SELECT * FROM globals WHERE is_volatile

Tables structures

Classes table
Name Type Description
name Text Class variable name
is_struct Boolean True if it a struct declaration
bases_count Integer Number of bases for this class
methods_count Integer Number of methods declarations
fields_count Integer Number of fields declarations
size Integer The size of class in bits
align Integer The align of class in bits
file Text File path
line Integer Line at the file path
column Integer Column at the file path
offset Integer Offset at the file path

Enums table
Name Type Description
name Text Enumeration name
constants_count Integer Number of constants in this enum
type_literal Text Type literal for enum constants
file Text File path
line Integer Line at the file path
column Integer Column at the file path
offset Integer Offset at the file path

Unions table
Name Type Description
name Text Union name
size Integer The size of union in bits
fields_count Integer Number of fields declarations
file Text File path
line Integer Line at the file path
column Integer Column at the file path
offset Integer Offset at the file path

Functions table
Name Type Description
name Text Function or Method name
signature Text Parameters and return type literal
args_count Integer Number of arguments
class_name Text Return class name for method
return_type Text Return type literal
is_method Boolean True if it's a method
is_virtual Boolean Return true if a C++ member function or member function template is explicitly declared 'virtual' or if it overrides a virtual method from one of the base classes
is_pure_virtual Boolean Return ture if a C++ member function or member function template is pure virtual
is_static Boolean Return ture if a C++ member function is static
is_const Boolean Return ture if a C++ member function is const
has_template Boolean True if it's has template
access_modifier Integer Returns the access control level for method, 1 for public, 2 protected, 3 provide, 0 for invalid
is_variadic Boolean True if function type is variadic
file Text File path
line Integer Line at the file path
column Integer Column at the file path
offset Integer Offset at the file path

Globals table
Name Type Description
name Text Global variable name
type Text Global variable type literal
is_volatile Boolean True if variable type is volatile
file Text File path
line Integer Line at the file path
column Integer Column at the file path
offset Integer Offset at the file path

Download or Install

Note that Building from source or installing from Cargo.io requires LibClang 17 to be installed

  • Install from Cargo.io
cargo install clangql
  • Install from Homebrew
brew install clangql
  • Build from source code
git clone https://github.com/AmrDeveloper/clangql.git
cd clangql
cargo build

Run ClangQL

ClangQL is a SQL like query language to run on local files
Usage: ClangQL [OPTIONS]

Options:
  -f,  --files <paths>        Path for local files to run query on
  -q,  --query <GQL Query>    ClangQL query to run on selected files
  -p,  --pagination           Enable print result with pagination
  -ps, --pagesize             Set pagination page size [default: 10]
  -o,  --output               Set output format [render, json, csv]
  -a,  --analysis             Print Query analysis
  -h,  --help                 Print ClangQL help
  -v,  --version              Print ClangQL Current Version

License

MIT License

Copyright (c) 2024 Amr Hesham

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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ClangQL is a tool that allow you to run SQL-like query on C/C++ Code instead of database files using the GitQL SDK

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