Here is a list of all documented files with brief descriptions:

[detail level 12]

include
fcml_assembler.h	Structures and functions declarations related to one-line FCML assembler
fcml_assembler.hpp	C++ wrapper for FCML assembler
fcml_choosers.h	API for instruction choosers
fcml_common.h	Definitions of common structures used by FCML components
fcml_common.hpp	C++ wrappers common classes
fcml_common_utils.h	Common general purpose utility functions
fcml_dialect.h	Structures and functions related to dialects
fcml_dialect.hpp	C++ wrapper for the base dialect
fcml_disassembler.h	Structures and functions declarations related to FCML disassembler
fcml_disassembler.hpp	C++ wrapper for the FCML disassembler
fcml_env.h	API for environment configuration
fcml_errors.h	Global error handling related declarations
fcml_errors.hpp	C++ wrapper for the FCML errors handling
fcml_gas_dialect.h	AT&T dialect implementation
fcml_gas_dialect.hpp	C++ wrapper for the AT&T dialect
fcml_gas_mnemonics.cpp	Definitions of AT&T mnemonics for C++
fcml_gas_mnemonics.h	Declarations of AT&T mnemonics for C
fcml_gas_mnemonics.hpp	Declarations of AT&T mnemonics for C++
fcml_instructions.h	Instruction codes and addressing modes/instruction forms
fcml_intel_dialect.h	Intel dialect implementation
fcml_intel_dialect.hpp	C++ wrapper for the Intel dialect
fcml_intel_mnemonics.cpp	Definitions of Intel mnemonics for C++
fcml_intel_mnemonics.h	Declarations of Intel mnemonics for C
fcml_intel_mnemonics.hpp	Declarations of Intel mnemonics
fcml_lag_assembler.h	Experimental multiline load-and-go assembler implementation
fcml_lag_assembler.hpp	C++ wrapper for the Multi-pass FCML assembler
fcml_lib_export.h	Handles Win32 DLL symbols importing/exporting
fcml_optimizers.h	API for assembler optimizers
fcml_parser.h	Structures and functions declarations related to FCML parsers
fcml_parser.hpp	C++ wrapper for instruction parser
fcml_registers.cpp	C++ registers definitions
fcml_registers.hpp	C++ registers declarations
fcml_renderer.h	Structures and functions declarations related to FCML renderers
fcml_renderer.hpp	C++ wrapper for FCML renderer
fcml_stateful_assembler.hpp	Stateful FCML assembler implementation
fcml_stateful_disassembler.hpp	Stateful FCML disassembler implementation
fcml_symbols.h	API for symbols handling
fcml_symbols.hpp	C++ API for symbols handling
fcml_types.h	Types declarations