Exemple #1
0
def insert_pointer(module: ir.Module,
                   scope_stack: list,
                   builder: ir.IRBuilder,
                   type_list: list,
                   val_name: tuple,
                   val_value=None):
    val_type = type_map[type_list[-1]]
    for pointer in val_name[1]:
        if pointer == '*':
            val_type = val_type.as_pointer()
    if builder is None:
        val = ir.GlobalVariable(module, val_type,
                                module.get_unique_name(val_name[2][1]))
        if val_value:
            val.initializer = val_value
    else:
        val = builder.alloca(val_type,
                             name=module.get_unique_name(val_name[2][1]))
        if val_value:
            opt_store(builder, val_value, val)
    scope_stack[-1][val_name[2][1]] = {
        'type':
        'struct_ptr' if isinstance(type_map[type_list[-1]],
                                   ir.IdentifiedStructType) else 'val_ptr',
        'val_type':
        type_list[-1],
        'value':
        val
    }
    return val
Exemple #2
0
def insert_array(module: ir.Module,
                 scope_stack: list,
                 builder: ir.IRBuilder,
                 type: list,
                 num,
                 val_name: tuple,
                 val_value=None):
    array_type = ir.ArrayType(type_map[type[-1]], num.constant)
    if builder is None:
        val = ir.GlobalVariable(module, array_type,
                                module.get_unique_name(val_name[1]))
        if val_value:
            val.initializer = val_value
    else:
        val = builder.alloca(array_type,
                             name=module.get_unique_name(val_name[1]))
        # if val_value:
        #     opt_store(builder, val_value, val)
    scope_stack[-1][val_name[1]] = {'type': 'array', 'value': val}
    return val
Exemple #3
0
def insert_string(module: ir.Module,
                  scope_stack: list,
                  builder: ir.IRBuilder,
                  raw_data: str,
                  prt=False):
    try:
        global_string = scope_stack[0][raw_data]
    except KeyError:
        data = eval('%s' % raw_data)
        data += '\00'
        data = data.encode()
        str_type = ir.ArrayType(char_type, len(data))
        const_string = ir.Constant(str_type, bytearray(data))
        global_string = ir.GlobalVariable(module, str_type,
                                          module.get_unique_name(raw_data))
        global_string.initializer = const_string
        scope_stack[0][raw_data] = global_string
    if prt:
        return builder.gep(global_string, [int_type(0), int_type(0)], True)
    else:
        return global_string