Flowgen is a documentation framework that uses flowcharts to provide high-level and implementation-level views of C++ code. It extracts control flow information from code and annotates it on flowcharts at multiple zoom levels. Function calls and returns can be linked across flowcharts to show how code segments are connected.

1. Flowgen: Flowchart-Based
Documentation Framework for C++
David A. Kosower, Juan J. Lopez-Villarejo,
Serguei Roubtsov
presented by Alexander Serebrenik
Institut de Physique
Théorique

2. Two perspectives on the computation
?

3. Flowgen
comment: ‘high
level’ view
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Conventional comment:
implementation details

4. 28-9-2014 PAGE 3
from the
code
Function call
from the code:
link to another
diagram

5. Flowgen
annotation
zoom level 0
(expanded with
a click)
Flowgen
annotation
zoom level 1
Unannotated
return statement
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6. Flowgen
annotation
zoom level 0
(expanded with
a click)
Flowgen
annotation
zoom level 1
Unannotated
return statement
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7. Flowgen annotations: summary
test
succeeded
multiple zoom levels control flow extraction
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and renaming
linked function calls unannotated return statements

8. http://jlopezvi.github.io/Flowgen/
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