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https://github.com/github/codeql.git
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02192acd5f
DIL before
```
/* AST::AstNode */ AST#87953007::Cached::TAstNode result) =
fastTC(AST#a6718388::AstNode::getAChild#0#dispred#ff/2)
.
Synthesis#d9ff06b1::Desugared::getADescendant#0#dispred#ff(/* Synthesis::Desugared */ AST#87953007::Cached::TAstNode this,
/* AST::AstNode */ AST#87953007::Cached::TAstNode result)
:-
(
exists(int arg1,
/* AST::AstNode */ dontcare AST#87953007::Cached::TAstNode _ |
arg1 = -1, AST#87953007::Cached::getSynthChild#2(_, arg1, this)
),
result = this
);
(
exists(int arg1,
/* AST::AstNode */ dontcare AST#87953007::Cached::TAstNode _ |
arg1 = -1, AST#87953007::Cached::getSynthChild#2(_, arg1, this)
),
#AST#a6718388::AstNode::getAChild#0#dispredPlus#ff(this, result)
)
.
```
DIL after
```
incremental
Synthesis#d9ff06b1::Desugared::getADescendant#ff(/* Synthesis::Desugared */ AST#87953007::Cached::TAstNode this,
/* AST::AstNode */ AST#87953007::Cached::TAstNode result)
:-
(
exists(int arg1,
/* AST::AstNode */ dontcare AST#87953007::Cached::TAstNode _ |
arg1 = -1, AST#87953007::Cached::getSynthChild#2(_, arg1, this)
),
result = this
);
exists(/* AST::AstNode */ AST#87953007::Cached::TAstNode call_result#2 |
exists(int arg1,
/* AST::AstNode */ dontcare AST#87953007::Cached::TAstNode _ |
arg1 = -1, AST#87953007::Cached::getSynthChild#2(_, arg1, this)
),
rec Synthesis#d9ff06b1::Desugared::getADescendant#ff(this, call_result#2),
exists(cached dontcare string _ |
AST#a6718388::AstNode::getAChild#1#dispred(call_result#2, _, result)
)
)
| [base_case]
exists(int arg1, /* AST::AstNode */ dontcare AST#87953007::Cached::TAstNode _ |
arg1 = -1, AST#87953007::Cached::getSynthChild#2(_, arg1, this)
),
result = this
| [delta_order]
exists(/* AST::AstNode */ AST#87953007::Cached::TAstNode call_result#2 |
exists(int arg1,
/* AST::AstNode */ dontcare AST#87953007::Cached::TAstNode _ |
arg1 = -1, AST#87953007::Cached::getSynthChild#2(_, arg1, this)
),
delta previous rec Synthesis#d9ff06b1::Desugared::getADescendant#ff(this,
call_result#2),
project#AST#a6718388::AstNode::getAChild#1#dispred(call_result#2, result)
),
not(
previous rec Synthesis#d9ff06b1::Desugared::getADescendant#ff(this, result)
)
| [delta_order_up_to_500000]
exists(/* AST::AstNode */ AST#87953007::Cached::TAstNode call_result#2 |
delta previous rec Synthesis#d9ff06b1::Desugared::getADescendant#ff(this,
call_result#2),
exists(int arg1,
/* AST::AstNode */ dontcare AST#87953007::Cached::TAstNode _ |
arg1 = -1, AST#87953007::Cached::getSynthChild#2(_, arg1, this)
),
project#AST#a6718388::AstNode::getAChild#1#dispred(call_result#2, result)
),
not(
previous rec Synthesis#d9ff06b1::Desugared::getADescendant#ff(this, result)
)
.
```
Ruby analysis support for CodeQL
This directory contains the extractor, CodeQL libraries, and queries that power Ruby support in LGTM and the other CodeQL products that GitHub makes available to its customers worldwide.
It contains two major components:
- static analysis libraries and queries written in CodeQL that can be used to analyze such a database to find coding mistakes or security vulnerabilities.
- an extractor, written in Rust, that parses Ruby source code and converts it into a database that can be queried using CodeQL. See Developer information for information on building the extractor (you do not need to do this if you are only developing queries).