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Commit 2522892

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MrPointerMrPointer
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Added function definition-declaration matching
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4 files changed

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4 files changed

+127
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‎cmake/Platform/Sources/FunctionDeclarationMatcher.cmake‎

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function(match_function_declaration _definition_signature _included_headers _return_var)
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# Get function name and list of argument-types
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strip_function_signature("${_definition_signature}" original_stripped_function)
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# ToDo: Consider writing a utility function
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list(LENGTH original_stripped_function orig_func_list_len)
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set(original_function_args_length ${orig_func_list_len})
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decrement_integer(original_function_args_length 1)
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list(GET original_stripped_function 0 original_function_name)
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foreach (included_header ${_included_headers})
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file(STRINGS "${included_header}" header_lines)
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foreach (line ${header_lines})
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# Search for function declarations
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if ("${line}" MATCHES "${ARDUINO_CMAKE_FUNCTION_DECLARATION_REGEX_PATTERN}")
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# Get function name and list of argument-types
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strip_function_signature("${line}" iterated_stripped_function)
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# ToDo: Consider writing a utility function
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list(LENGTH iterated_stripped_function iter_func_list_len)
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set(iterated_function_args_length ${iter_func_list_len})
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decrement_integer(iterated_function_args_length 1)
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list(GET iterated_stripped_function 0 iterated_function_name)
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if ("${original_function_name}" STREQUAL "${iterated_function_name}")
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if (${orig_func_list_len} EQUAL ${iter_func_list_len})
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set(arg_types_match TRUE)
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if (${iterated_function_args_length} GREATER 0)
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foreach (arg_type_index RANGE 1 ${iterated_function_args_length})
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list(GET original_stripped_function ${arg_type_index} orig_arg_type)
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list(GET iterated_stripped_function ${arg_type_index} iter_arg_type)
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if (NOT ${orig_arg_type} EQUAL ${iter_arg_type})
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set(arg_types_match FALSE)
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break()
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endif ()
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endforeach ()
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endif ()
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if (${arg_types_match}) # Signature has been matched
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set(${_return_var} ${line} PARENT_SCOPE)
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return()
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endif ()
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endif ()
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endif ()
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endif ()
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endforeach ()
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endforeach ()
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set(${_return_var} "NOTFOUND" PARENT_SCOPE)
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endfunction()

‎cmake/Platform/Sources/FunctionSignatureStripper.cmake‎

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#=============================================================================#
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# Gets the types of a function's arguments as a list.
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# _signature - String representing a full function signature, e.g. 'int main(int argc, char **argv)'
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# _return_var - Name of variable in parent-scope holding the return value.
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# Returns - List of types, matching the given function-argument string.
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#=============================================================================#
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function(_get_function_arguments_types _signature _return_var)
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string(REGEX MATCH ${ARDUINO_CMAKE_FUNCTION_ARGS_REGEX_PATTERN} function_args_string "${_signature}")
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string(REGEX MATCHALL ${ARDUINO_CMAKE_FUNCTION_SINGLE_ARG_REGEX_PATTERN}
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function_arg_list "${_function_args_string}")
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# Iterate through all arguments to extract only their type
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foreach (arg ${function_arg_list})
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string(REGEX MATCH ${ARDUINO_CMAKE_FUNCTION_ARG_TYPE_REGEX_PATTERN} arg_type "${arg}")
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string(STRIP "${arg_type}" arg_type) # Strip remaining whitespaces
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list(APPEND function_args ${arg_type})
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endforeach ()
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set(${_return_var} ${function_args} PARENT_SCOPE)
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endfunction()
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#=============================================================================#
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# Strips a given function signature to its name and its arguments' types.
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# _signature - String representing a full function signature, e.g. 'int main(int argc, char **argv)'
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# _return_var - Name of variable in parent-scope holding the return value.
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# Returns - List consisting of the function's name and arguments types.
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#=============================================================================#
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function(strip_function_signature _signature _return_var)
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# Strip function's name
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string(REGEX MATCH ${ARDUINO_CMAKE_FUNCTION_NAME_REGEX_PATTERN} function_name_match "${_signature}")
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set(function_name ${CMAKE_MATCH_1})
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list(APPEND stripped_signature ${function_name})
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# Strip arguments types , i.e. without names
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_get_function_arguments_types("${_signature}" function_args_types)
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list(APPEND stripped_signature ${function_args_types})
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set(${_return_var} ${stripped_signature} PARENT_SCOPE)
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endfunction()

‎cmake/Platform/Sources/SourceFunctionsRetriever.cmake‎

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function(get_source_function_definitions _source_file _return_var)
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file(STRINGS "${_source_file}" source_lines)
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foreach (line ${source_lines})
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if ("${line}" MATCHES "${ARDUINO_CMAKE_FUNCTION_DEFINITION_REGEX_PATTERN}")
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list(APPEND definitions "${line}")
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endif ()
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endforeach ()
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set(${_return_var} ${definitions} PARENT_SCOPE)
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endfunction()

‎cmake/Platform/Sources/Sources.cmake‎

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include(FunctionSignatureStripper)
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include(FunctionDeclarationMatcher)
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include(SourceFunctionsRetriever)
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include(SourceSeeker)
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include(ExampleSourcesSeeker)
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include(ArduinoLibrarySourcesSeeker)

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