Function LoadVariablesFromVariablesDict

tools/gyp/pylib/gyp/input.py:1256–1281

(variables, the_dict, the_dict_key)

def LoadVariablesFromVariablesDict(variables, the_dict, the_dict_key):
    # Any keys in the_dict's "variables" dict, if it has one, becomes a
    # variable.  The variable name is the key name in the "variables" dict.
    # Variables that end with the % character are set only if they are unset in
    # the variables dict.  the_dict_key is the name of the key that accesses
    # the_dict in the_dict's parent dict.  If the_dict's parent is not a dict
    # (it could be a list or it could be parentless because it is a root dict),
    # the_dict_key will be None.
    for key, value in the_dict.get("variables", {}).items():
        if type(value) not in (str, int, list):
            continue

        if key.endswith("%"):
            variable_name = key[:-1]
            if variable_name in variables:
                # If the variable is already set, don't set it.
                continue
            if the_dict_key == "variables" and variable_name in the_dict:
                # If the variable is set without a % in the_dict, and the_dict is a
                # variables dict (making |variables| a variables sub-dict of a
                # variables dict), use the_dict's definition.
                value = the_dict[variable_name]
        else:
            variable_name = key

        variables[variable_name] = value


def ProcessVariablesAndConditionsInDict(