//===- AffineExpr.cpp - C API for MLIR Affine Expressions -----------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "mlir-c/AffineExpr.h"
#include "mlir-c/AffineMap.h"
#include "mlir-c/IR.h"
#include "mlir/CAPI/AffineExpr.h"
#include "mlir/CAPI/AffineMap.h"
#include "mlir/CAPI/IR.h"
#include "mlir/CAPI/Utils.h"
#include "mlir/IR/AffineExpr.h"

using namespace mlir;

MlirContext mlirAffineExprGetContext(MlirAffineExpr affineExpr) {
  return wrap(unwrap(affineExpr).getContext());
}

void mlirAffineExprPrint(MlirAffineExpr affineExpr, MlirStringCallback callback,
                         void *userData) {
  mlir::detail::CallbackOstream stream(callback, userData);
  unwrap(affineExpr).print(stream);
}

void mlirAffineExprDump(MlirAffineExpr affineExpr) {
  unwrap(affineExpr).dump();
}

bool mlirAffineExprIsSymbolicOrConstant(MlirAffineExpr affineExpr) {
  return unwrap(affineExpr).isSymbolicOrConstant();
}

bool mlirAffineExprIsPureAffine(MlirAffineExpr affineExpr) {
  return unwrap(affineExpr).isPureAffine();
}

int64_t mlirAffineExprGetLargestKnownDivisor(MlirAffineExpr affineExpr) {
  return unwrap(affineExpr).getLargestKnownDivisor();
}

bool mlirAffineExprIsMultipleOf(MlirAffineExpr affineExpr, int64_t factor) {
  return unwrap(affineExpr).isMultipleOf(factor);
}

bool mlirAffineExprIsFunctionOfDim(MlirAffineExpr affineExpr,
                                   intptr_t position) {
  return unwrap(affineExpr).isFunctionOfDim(position);
}

//===----------------------------------------------------------------------===//
// Affine Dimension Expression.
//===----------------------------------------------------------------------===//

MlirAffineExpr mlirAffineDimExprGet(MlirContext ctx, intptr_t position) {
  return wrap(getAffineDimExpr(position, unwrap(ctx)));
}

intptr_t mlirAffineDimExprGetPosition(MlirAffineExpr affineExpr) {
  return unwrap(affineExpr).cast<AffineDimExpr>().getPosition();
}

//===----------------------------------------------------------------------===//
// Affine Symbol Expression.
//===----------------------------------------------------------------------===//

MlirAffineExpr mlirAffineSymbolExprGet(MlirContext ctx, intptr_t position) {
  return wrap(getAffineSymbolExpr(position, unwrap(ctx)));
}

intptr_t mlirAffineSymbolExprGetPosition(MlirAffineExpr affineExpr) {
  return unwrap(affineExpr).cast<AffineSymbolExpr>().getPosition();
}

//===----------------------------------------------------------------------===//
// Affine Constant Expression.
//===----------------------------------------------------------------------===//

MlirAffineExpr mlirAffineConstantExprGet(MlirContext ctx, int64_t constant) {
  return wrap(getAffineConstantExpr(constant, unwrap(ctx)));
}

int64_t mlirAffineConstantExprGetValue(MlirAffineExpr affineExpr) {
  return unwrap(affineExpr).cast<AffineConstantExpr>().getValue();
}

//===----------------------------------------------------------------------===//
// Affine Add Expression.
//===----------------------------------------------------------------------===//

bool mlirAffineExprIsAAdd(MlirAffineExpr affineExpr) {
  return unwrap(affineExpr).getKind() == mlir::AffineExprKind::Add;
}

MlirAffineExpr mlirAffineAddExprGet(MlirAffineExpr lhs, MlirAffineExpr rhs) {
  return wrap(getAffineBinaryOpExpr(mlir::AffineExprKind::Add, unwrap(lhs),
                                    unwrap(rhs)));
}

//===----------------------------------------------------------------------===//
// Affine Mul Expression.
//===----------------------------------------------------------------------===//

bool mlirAffineExprIsAMul(MlirAffineExpr affineExpr) {
  return unwrap(affineExpr).getKind() == mlir::AffineExprKind::Mul;
}

MlirAffineExpr mlirAffineMulExprGet(MlirAffineExpr lhs, MlirAffineExpr rhs) {
  return wrap(getAffineBinaryOpExpr(mlir::AffineExprKind::Mul, unwrap(lhs),
                                    unwrap(rhs)));
}

//===----------------------------------------------------------------------===//
// Affine Mod Expression.
//===----------------------------------------------------------------------===//

bool mlirAffineExprIsAMod(MlirAffineExpr affineExpr) {
  return unwrap(affineExpr).getKind() == mlir::AffineExprKind::Mod;
}

MlirAffineExpr mlirAffineModExprGet(MlirAffineExpr lhs, MlirAffineExpr rhs) {
  return wrap(getAffineBinaryOpExpr(mlir::AffineExprKind::Mod, unwrap(lhs),
                                    unwrap(rhs)));
}

//===----------------------------------------------------------------------===//
// Affine FloorDiv Expression.
//===----------------------------------------------------------------------===//

bool mlirAffineExprIsAFloorDiv(MlirAffineExpr affineExpr) {
  return unwrap(affineExpr).getKind() == mlir::AffineExprKind::FloorDiv;
}

MlirAffineExpr mlirAffineFloorDivExprGet(MlirAffineExpr lhs,
                                         MlirAffineExpr rhs) {
  return wrap(getAffineBinaryOpExpr(mlir::AffineExprKind::FloorDiv, unwrap(lhs),
                                    unwrap(rhs)));
}

//===----------------------------------------------------------------------===//
// Affine CeilDiv Expression.
//===----------------------------------------------------------------------===//

bool mlirAffineExprIsACeilDiv(MlirAffineExpr affineExpr) {
  return unwrap(affineExpr).getKind() == mlir::AffineExprKind::CeilDiv;
}

MlirAffineExpr mlirAffineCeilDivExprGet(MlirAffineExpr lhs,
                                        MlirAffineExpr rhs) {
  return wrap(getAffineBinaryOpExpr(mlir::AffineExprKind::CeilDiv, unwrap(lhs),
                                    unwrap(rhs)));
}

//===----------------------------------------------------------------------===//
// Affine Binary Operation Expression.
//===----------------------------------------------------------------------===//

MlirAffineExpr mlirAffineBinaryOpExprGetLHS(MlirAffineExpr affineExpr) {
  return wrap(unwrap(affineExpr).cast<AffineBinaryOpExpr>().getLHS());
}

MlirAffineExpr mlirAffineBinaryOpExprGetRHS(MlirAffineExpr affineExpr) {
  return wrap(unwrap(affineExpr).cast<AffineBinaryOpExpr>().getRHS());
}