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

/// Wraps `isl_id_to_ast_expr`.
pub struct IdToASTExpr {
    pub ptr: uintptr_t,
    pub should_free_on_drop: bool,
}

extern "C" {

    fn isl_id_to_ast_expr_alloc(ctx: uintptr_t, min_size: i32) -> uintptr_t;

    fn isl_id_to_ast_expr_copy(hmap: uintptr_t) -> uintptr_t;

    fn isl_id_to_ast_expr_drop(hmap: uintptr_t, key: uintptr_t) -> uintptr_t;

    fn isl_id_to_ast_expr_dump(hmap: uintptr_t) -> ();

    fn isl_id_to_ast_expr_free(hmap: uintptr_t) -> uintptr_t;

    fn isl_id_to_ast_expr_get(hmap: uintptr_t, key: uintptr_t) -> uintptr_t;

    fn isl_id_to_ast_expr_get_ctx(hmap: uintptr_t) -> uintptr_t;

    fn isl_id_to_ast_expr_has(hmap: uintptr_t, key: uintptr_t) -> i32;

    fn isl_id_to_ast_expr_is_equal(hmap1: uintptr_t, hmap2: uintptr_t) -> i32;

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

    fn isl_id_to_ast_expr_set(hmap: uintptr_t, key: uintptr_t, val: uintptr_t) -> uintptr_t;

    fn isl_id_to_ast_expr_to_str(hmap: uintptr_t) -> *const c_char;

}

impl IdToASTExpr {
    /// Wraps `isl_id_to_ast_expr_alloc`.
    pub fn alloc(ctx: &Context, min_size: i32) -> Result<IdToASTExpr, LibISLError> {
        let isl_rs_ctx = Context { ptr: ctx.ptr,
                                   should_free_on_drop: false };
        let ctx = ctx.ptr;
        let isl_rs_result = unsafe { isl_id_to_ast_expr_alloc(ctx, min_size) };
        let isl_rs_result = IdToASTExpr { 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_ast_expr_copy`.
    pub fn copy(&self) -> Result<IdToASTExpr, LibISLError> {
        let hmap = self;
        let isl_rs_ctx = hmap.get_ctx();
        let hmap = hmap.ptr;
        let isl_rs_result = unsafe { isl_id_to_ast_expr_copy(hmap) };
        let isl_rs_result = IdToASTExpr { 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_ast_expr_drop`.
    pub fn drop(self, key: Id) -> Result<IdToASTExpr, LibISLError> {
        let hmap = self;
        let isl_rs_ctx = hmap.get_ctx();
        let mut hmap = hmap;
        hmap.do_not_free_on_drop();
        let hmap = hmap.ptr;
        let mut key = key;
        key.do_not_free_on_drop();
        let key = key.ptr;
        let isl_rs_result = unsafe { isl_id_to_ast_expr_drop(hmap, key) };
        let isl_rs_result = IdToASTExpr { 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_ast_expr_dump`.
    pub fn dump(&self) -> Result<(), LibISLError> {
        let hmap = self;
        let isl_rs_ctx = hmap.get_ctx();
        let hmap = hmap.ptr;
        let isl_rs_result = unsafe { isl_id_to_ast_expr_dump(hmap) };
        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_ast_expr_free`.
    pub fn free(self) -> Result<IdToASTExpr, LibISLError> {
        let hmap = self;
        let isl_rs_ctx = hmap.get_ctx();
        let mut hmap = hmap;
        hmap.do_not_free_on_drop();
        let hmap = hmap.ptr;
        let isl_rs_result = unsafe { isl_id_to_ast_expr_free(hmap) };
        let isl_rs_result = IdToASTExpr { 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_ast_expr_get`.
    pub fn get(&self, key: Id) -> Result<ASTExpr, LibISLError> {
        let hmap = self;
        let isl_rs_ctx = hmap.get_ctx();
        let hmap = hmap.ptr;
        let mut key = key;
        key.do_not_free_on_drop();
        let key = key.ptr;
        let isl_rs_result = unsafe { isl_id_to_ast_expr_get(hmap, key) };
        let isl_rs_result = ASTExpr { 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_ast_expr_get_ctx`.
    pub fn get_ctx(&self) -> Context {
        let hmap = self;
        let hmap = hmap.ptr;
        let isl_rs_result = unsafe { isl_id_to_ast_expr_get_ctx(hmap) };
        let isl_rs_result = Context { ptr: isl_rs_result,
                                      should_free_on_drop: false };
        isl_rs_result
    }

    /// Wraps `isl_id_to_ast_expr_has`.
    pub fn has(&self, key: &Id) -> Result<bool, LibISLError> {
        let hmap = self;
        let isl_rs_ctx = hmap.get_ctx();
        let hmap = hmap.ptr;
        let key = key.ptr;
        let isl_rs_result = unsafe { isl_id_to_ast_expr_has(hmap, key) };
        let isl_rs_result = match isl_rs_result {
            0 => false,
            1 => true,
            _ => {
                return Err(LibISLError::new(Error::Unknown, "Got isl_bool = -1"));
            }
        };
        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_ast_expr_is_equal`.
    pub fn is_equal(&self, hmap2: &IdToASTExpr) -> Result<bool, LibISLError> {
        let hmap1 = self;
        let isl_rs_ctx = hmap1.get_ctx();
        let hmap1 = hmap1.ptr;
        let hmap2 = hmap2.ptr;
        let isl_rs_result = unsafe { isl_id_to_ast_expr_is_equal(hmap1, hmap2) };
        let isl_rs_result = match isl_rs_result {
            0 => false,
            1 => true,
            _ => {
                return Err(LibISLError::new(Error::Unknown, "Got isl_bool = -1"));
            }
        };
        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_ast_expr_read_from_str`.
    pub fn read_from_str(ctx: &Context, str_: &str) -> Result<IdToASTExpr, 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_to_ast_expr_read_from_str(ctx, str_) };
        let isl_rs_result = IdToASTExpr { 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_ast_expr_set`.
    pub fn set(self, key: Id, val: ASTExpr) -> Result<IdToASTExpr, LibISLError> {
        let hmap = self;
        let isl_rs_ctx = hmap.get_ctx();
        let mut hmap = hmap;
        hmap.do_not_free_on_drop();
        let hmap = hmap.ptr;
        let mut key = key;
        key.do_not_free_on_drop();
        let key = key.ptr;
        let mut val = val;
        val.do_not_free_on_drop();
        let val = val.ptr;
        let isl_rs_result = unsafe { isl_id_to_ast_expr_set(hmap, key, val) };
        let isl_rs_result = IdToASTExpr { 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_ast_expr_to_str`.
    pub fn to_str(&self) -> Result<&str, LibISLError> {
        let hmap = self;
        let isl_rs_ctx = hmap.get_ctx();
        let hmap = hmap.ptr;
        let isl_rs_result = unsafe { isl_id_to_ast_expr_to_str(hmap) };
        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_to_ast_expr_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 IdToASTExpr {
    fn drop(&mut self) {
        if self.should_free_on_drop {
            unsafe {
                isl_id_to_ast_expr_free(self.ptr);
            }
        }
    }
}