示例#1
0
int handle_vars(struct JsonlangVm *vm, PyObject *map, int code, int tla)
{
    if (map == NULL) return 1;

    PyObject *key, *val;
    Py_ssize_t pos = 0;
    
    while (PyDict_Next(map, &pos, &key, &val)) {
        const char *key_ = PyString_AsString(key);
        if (key_ == NULL) {
            jsonlang_destroy(vm);
            return 0;
        }
        const char *val_ = PyString_AsString(val);
        if (val_ == NULL) {
            jsonlang_destroy(vm);
            return 0;
        }
        if (!tla && !code) {
            jsonlang_ext_var(vm, key_, val_);
        } else if (!tla && code) {
            jsonlang_ext_code(vm, key_, val_);
        } else if (tla && !code) {
            jsonlang_tla_var(vm, key_, val_);
        } else {
            jsonlang_tla_code(vm, key_, val_);
        }
    }
    return 1;
}
示例#2
0
static PyObject* evaluate_snippet(PyObject* self, PyObject* args, PyObject *keywds)
{
    const char *filename, *src;
    char *out;
    unsigned max_stack = 500, gc_min_objects = 1000, max_trace = 20;
    double gc_growth_trigger = 2;
    int debug_ast = 0, error;
    PyObject *ext_vars = NULL;
    struct jsonlangVm *vm;
    static char *kwlist[] = {"filename", "src", "max_stack", "gc_min_objects", "gc_growth_trigger", "ext_vars", "debug_ast", "max_trace", NULL};

    (void) self;

    if (!PyArg_ParseTupleAndKeywords(args, keywds, "ss|IIdOiI", kwlist,
                                     &filename, &src,
                                     &max_stack, &gc_min_objects, &gc_growth_trigger, &ext_vars, &debug_ast, &max_trace)) {
        return NULL;
    }

    vm = jsonlang_make();
    jsonlang_max_stack(vm, max_stack);
    jsonlang_gc_min_objects(vm, gc_min_objects);
    jsonlang_max_trace(vm, max_trace);
    jsonlang_gc_growth_trigger(vm, gc_growth_trigger);
    jsonlang_debug_ast(vm, debug_ast);
    if (ext_vars != NULL) {
        PyObject *key, *val;
        Py_ssize_t pos = 0;

        while (PyDict_Next(ext_vars, &pos, &key, &val)) {
            const char *key_ = PyString_AsString(key);
            if (key_ == NULL) {
                jsonlang_destroy(vm);
                return NULL;
            }
            const char *val_ = PyString_AsString(val);
            if (val_ == NULL) {
                jsonlang_destroy(vm);
                return NULL;
            }
            jsonlang_ext_var(vm, key_, val_);
        }
    }

    out = jsonlang_evaluate_snippet(vm, filename, src, &error);
    if (error) {
        PyErr_SetString(PyExc_RuntimeError, out);
        jsonlang_realloc(vm, out, 0);
        jsonlang_destroy(vm);
        return NULL;
    } else {
        PyObject *ret = PyString_FromString(out);
        jsonlang_realloc(vm, out, 0);
        jsonlang_destroy(vm);
        return ret;
    }
}