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CBOLD is a C++ framework for schematicless capture of board-level electronic designs. CBOLD replaces schematic capture EDA software in the traditional PCB design flow, allowing you to capture and process a design using a text editor and a C++ compiler.
Instead of entering a schematic into an EDA tool, the designer creates a C++ program that describes the design and the desired outputs. When compiled and run, the program verifies the legality of the design and writes output files (CAD layout netlist, bill of materials, FPGA constraint files, etc.) to disk.