isl-rs 0.3.1

Rust bindings for Integer Set Library
Documentation 
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// Automatically generated by isl_bindings_generator.
// LICENSE: MIT

use super::{Context, Error, IdList, LibISLError};
use libc::uintptr_t;
use std::ffi::{CStr, CString};
use std::os::raw::c_char;

/// Wraps `isl_id`.
pub struct Id {
    pub ptr: uintptr_t,
    pub should_free_on_drop: bool,
}

extern "C" {

    fn isl_id_copy(id: uintptr_t) -> uintptr_t;

    fn isl_id_dump(id: uintptr_t) -> ();

    fn isl_id_free(id: uintptr_t) -> uintptr_t;

    fn isl_id_get_ctx(id: uintptr_t) -> uintptr_t;

    fn isl_id_get_free_user(id: uintptr_t) -> ();

    fn isl_id_get_hash(id: uintptr_t) -> u32;

    fn isl_id_get_name(id: uintptr_t) -> *const c_char;

    fn isl_id_read_from_str(ctx: uintptr_t, str_: *const c_char) -> uintptr_t;

    fn isl_id_to_list(el: uintptr_t) -> uintptr_t;

    fn isl_id_to_str(id: uintptr_t) -> *const c_char;

}

impl Id {
    /// Wraps `isl_id_copy`.
    pub fn copy(&self) -> Result<Id, LibISLError> {
        let id = self;
        let isl_rs_ctx = id.get_ctx();
        let id = id.ptr;
        let isl_rs_result = unsafe { isl_id_copy(id) };
        let isl_rs_result = Id { ptr: isl_rs_result,
                                 should_free_on_drop: true };
        let err = isl_rs_ctx.last_error();
        if err != Error::None_ {
            let err_msg = isl_rs_ctx.last_error_msg();
            isl_rs_ctx.reset_error();
            return Err(LibISLError::new(err, err_msg));
        }
        Ok(isl_rs_result)
    }

    /// Wraps `isl_id_dump`.
    pub fn dump(&self) -> Result<(), LibISLError> {
        let id = self;
        let isl_rs_ctx = id.get_ctx();
        let id = id.ptr;
        let isl_rs_result = unsafe { isl_id_dump(id) };
        let err = isl_rs_ctx.last_error();
        if err != Error::None_ {
            let err_msg = isl_rs_ctx.last_error_msg();
            isl_rs_ctx.reset_error();
            return Err(LibISLError::new(err, err_msg));
        }
        Ok(isl_rs_result)
    }

    /// Wraps `isl_id_free`.
    pub fn free(self) -> Result<Id, LibISLError> {
        let id = self;
        let isl_rs_ctx = id.get_ctx();
        let mut id = id;
        id.do_not_free_on_drop();
        let id = id.ptr;
        let isl_rs_result = unsafe { isl_id_free(id) };
        let isl_rs_result = Id { ptr: isl_rs_result,
                                 should_free_on_drop: true };
        let err = isl_rs_ctx.last_error();
        if err != Error::None_ {
            let err_msg = isl_rs_ctx.last_error_msg();
            isl_rs_ctx.reset_error();
            return Err(LibISLError::new(err, err_msg));
        }
        Ok(isl_rs_result)
    }

    /// Wraps `isl_id_get_ctx`.
    pub fn get_ctx(&self) -> Context {
        let id = self;
        let id = id.ptr;
        let isl_rs_result = unsafe { isl_id_get_ctx(id) };
        let isl_rs_result = Context { ptr: isl_rs_result,
                                      should_free_on_drop: false };
        isl_rs_result
    }

    /// Wraps `isl_id_get_free_user`.
    pub fn get_free_user(&self) -> Result<(), LibISLError> {
        let id = self;
        let isl_rs_ctx = id.get_ctx();
        let id = id.ptr;
        let isl_rs_result = unsafe { isl_id_get_free_user(id) };
        let err = isl_rs_ctx.last_error();
        if err != Error::None_ {
            let err_msg = isl_rs_ctx.last_error_msg();
            isl_rs_ctx.reset_error();
            return Err(LibISLError::new(err, err_msg));
        }
        Ok(isl_rs_result)
    }

    /// Wraps `isl_id_get_hash`.
    pub fn get_hash(&self) -> Result<u32, LibISLError> {
        let id = self;
        let isl_rs_ctx = id.get_ctx();
        let id = id.ptr;
        let isl_rs_result = unsafe { isl_id_get_hash(id) };
        let err = isl_rs_ctx.last_error();
        if err != Error::None_ {
            let err_msg = isl_rs_ctx.last_error_msg();
            isl_rs_ctx.reset_error();
            return Err(LibISLError::new(err, err_msg));
        }
        Ok(isl_rs_result)
    }

    /// Wraps `isl_id_get_name`.
    pub fn get_name(&self) -> Result<&str, LibISLError> {
        let id = self;
        let isl_rs_ctx = id.get_ctx();
        let id = id.ptr;
        let isl_rs_result = unsafe { isl_id_get_name(id) };
        let isl_rs_result = unsafe { CStr::from_ptr(isl_rs_result) };
        let isl_rs_result = isl_rs_result.to_str().unwrap();
        let err = isl_rs_ctx.last_error();
        if err != Error::None_ {
            let err_msg = isl_rs_ctx.last_error_msg();
            isl_rs_ctx.reset_error();
            return Err(LibISLError::new(err, err_msg));
        }
        Ok(isl_rs_result)
    }

    /// Wraps `isl_id_read_from_str`.
    pub fn read_from_str(ctx: &Context, str_: &str) -> Result<Id, LibISLError> {
        let isl_rs_ctx = Context { ptr: ctx.ptr,
                                   should_free_on_drop: false };
        let ctx = ctx.ptr;
        let str_ = CString::new(str_).unwrap();
        let str_ = str_.as_ptr();
        let isl_rs_result = unsafe { isl_id_read_from_str(ctx, str_) };
        let isl_rs_result = Id { ptr: isl_rs_result,
                                 should_free_on_drop: true };
        let err = isl_rs_ctx.last_error();
        if err != Error::None_ {
            let err_msg = isl_rs_ctx.last_error_msg();
            isl_rs_ctx.reset_error();
            return Err(LibISLError::new(err, err_msg));
        }
        Ok(isl_rs_result)
    }

    /// Wraps `isl_id_to_list`.
    pub fn to_list(self) -> Result<IdList, LibISLError> {
        let el = self;
        let isl_rs_ctx = el.get_ctx();
        let mut el = el;
        el.do_not_free_on_drop();
        let el = el.ptr;
        let isl_rs_result = unsafe { isl_id_to_list(el) };
        let isl_rs_result = IdList { ptr: isl_rs_result,
                                     should_free_on_drop: true };
        let err = isl_rs_ctx.last_error();
        if err != Error::None_ {
            let err_msg = isl_rs_ctx.last_error_msg();
            isl_rs_ctx.reset_error();
            return Err(LibISLError::new(err, err_msg));
        }
        Ok(isl_rs_result)
    }

    /// Wraps `isl_id_to_str`.
    pub fn to_str(&self) -> Result<&str, LibISLError> {
        let id = self;
        let isl_rs_ctx = id.get_ctx();
        let id = id.ptr;
        let isl_rs_result = unsafe { isl_id_to_str(id) };
        let isl_rs_result = unsafe { CStr::from_ptr(isl_rs_result) };
        let isl_rs_result = isl_rs_result.to_str().unwrap();
        let err = isl_rs_ctx.last_error();
        if err != Error::None_ {
            let err_msg = isl_rs_ctx.last_error_msg();
            isl_rs_ctx.reset_error();
            return Err(LibISLError::new(err, err_msg));
        }
        Ok(isl_rs_result)
    }

    /// Does not call isl_id_free() on being dropped. (For internal use only.)
    pub fn do_not_free_on_drop(&mut self) {
        self.should_free_on_drop = false;
    }
}

impl Drop for Id {
    fn drop(&mut self) {
        if self.should_free_on_drop {
            unsafe {
                isl_id_free(self.ptr);
            }
        }
    }
}