Function ProcessConditionsInDict

tools/gyp/pylib/gyp/input.py:1200–1245

(the_dict, phase, variables, build_file)

def ProcessConditionsInDict(the_dict, phase, variables, build_file):
    # Process a 'conditions' or 'target_conditions' section in the_dict,
    # depending on phase.
    # early -> conditions
    # late -> target_conditions
    # latelate -> no conditions
    #
    # Each item in a conditions list consists of cond_expr, a string expression
    # evaluated as the condition, and true_dict, a dict that will be merged into
    # the_dict if cond_expr evaluates to true.  Optionally, a third item,
    # false_dict, may be present.  false_dict is merged into the_dict if
    # cond_expr evaluates to false.
    #
    # Any dict merged into the_dict will be recursively processed for nested
    # conditionals and other expansions, also according to phase, immediately
    # prior to being merged.

    if phase == PHASE_EARLY:
        conditions_key = "conditions"
    elif phase == PHASE_LATE:
        conditions_key = "target_conditions"
    elif phase == PHASE_LATELATE:
        return
    else:
        assert False

    if conditions_key not in the_dict:
        return

    conditions_list = the_dict[conditions_key]
    # Unhook the conditions list, it's no longer needed.
    del the_dict[conditions_key]

    for condition in conditions_list:
        merge_dict = EvalCondition(
            condition, conditions_key, phase, variables, build_file
        )

        if merge_dict is not None:
            # Expand variables and nested conditionals in the merge_dict before
            # merging it.
            ProcessVariablesAndConditionsInDict(
                merge_dict, phase, variables, build_file
            )

            MergeDicts(the_dict, merge_dict, build_file, build_file)


def LoadAutomaticVariablesFromDict(variables, the_dict):