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Preliminary support for multi-dimensional arrays

pull/1/head^2
David Srbecký 18 years ago
parent
bacab7a00b
commit
c3aedb0b3c
3 changed files with 71 additions and 42 deletions
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  1. 76
      bin/Debug/output.cs
  2. 23
      src/AstMetodBodyBuilder.cs
  3. 14
      src/Transforms/Ast/RemoveParenthesis.cs

76
bin/Debug/output.cs
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@ -33,29 +33,29 @@ namespace Reversi
{ {
for (int i = 0; i < 8; i++) { for (int i = 0; i < 8; i++) {
for (int j = 0; j < 8; j++) { for (int j = 0; j < 8; j++) {
squares.Set(i, j, Empty); squares[i, j] = Empty;
safeDiscs.Set(i, j, 0); safeDiscs[i, j] = 0;
} }
} }
squares.Set(3, 3, White); squares[3, 3] = White;
squares.Set(3, 4, Black); squares[3, 4] = Black;
squares.Set(4, 3, Black); squares[4, 3] = Black;
squares.Set(4, 4, White); squares[4, 4] = White;
UpdateCounts(); UpdateCounts();
} }
public int GetSquareContents(int row, int col) public int GetSquareContents(int row, int col)
{ {
return (squares.Get(row, col)); return squares[row, col];
} }
public void MakeMove(int color, int row, int col) public void MakeMove(int color, int row, int col)
{ {
squares.Set(row, col, color); squares[row, col] = color;
for (int i = -1; i <= 1; i++) { for (int i = -1; i <= 1; i++) {
for (int j = -1; j <= 1; j++) { for (int j = -1; j <= 1; j++) {
if ((i || j) && IsOutflanking(color, row, col, i, j)) { if ((i || j) && IsOutflanking(color, row, col, i, j)) {
int k = row + i; int k = row + i;
for (int l = col + j; squares.Get(k, l) == -color; l += j) { for (int l = col + j; squares[k, l] == -color; l += j) {
squares.Set(k, l, color); squares[k, l] = color;
k += i; k += i;
} }
} }
@ -76,7 +76,7 @@ namespace Reversi
} }
public bool IsValidMove(int color, int row, int col) public bool IsValidMove(int color, int row, int col)
{ {
if (squares.Get(row, col) != Empty) { if (squares[row, col] != Empty) {
return 0; return 0;
} }
for (int i = -1; i <= 1; i++) { for (int i = -1; i <= 1; i++) {
@ -103,10 +103,10 @@ namespace Reversi
private bool IsOutflanking(int color, int row, int col, int dr, int dc) private bool IsOutflanking(int color, int row, int col, int dr, int dc)
{ {
int i = row + dr; int i = row + dr;
for (int j = col + dc; i >= 0 && i < 8 && j >= 0 && j < 8 && squares.Get(i, j) == -color; j += dc) { for (int j = col + dc; i >= 0 && i < 8 && j >= 0 && j < 8 && squares[i, j] == -color; j += dc) {
i += dr; i += dr;
} }
if (i < 0 || i > 7 || j < 0 || j > 7 || i - dr == row && j - dc == col || squares.Get(i, j) != color) { if (i < 0 || i > 7 || j < 0 || j > 7 || i - dr == row && j - dc == col || squares[i, j] != color) {
return 0; return 0;
} }
return 1; return 1;
@ -124,8 +124,8 @@ namespace Reversi
V_2 = 0; V_2 = 0;
for (int i = 0; i < 8; i++) { for (int i = 0; i < 8; i++) {
for (int j = 0; j < 8; j++) { for (int j = 0; j < 8; j++) {
if (squares.Get(i, j) != Empty && !safeDiscs.Get(i, j) && !IsOutflankable(i, j)) { if (squares[i, j] != Empty && !safeDiscs[i, j] && !IsOutflankable(i, j)) {
safeDiscs.Set(i, j, 1); safeDiscs[i, j] = 1;
V_2 = 1; V_2 = 1;
} }
} }
@ -136,16 +136,16 @@ namespace Reversi
j = 0; j = 0;
for (; j < 8; j++) { for (; j < 8; j++) {
bool V_5 = 0; bool V_5 = 0;
if (squares.Get(i, j) != Empty) { if (squares[i, j] != Empty) {
for (int k = -1; k <= 1; k++) { for (int k = -1; k <= 1; k++) {
for (int l = -1; l <= 1; l++) { for (int l = -1; l <= 1; l++) {
if ((k || l) && i + k >= 0 && i + k < 8 && j + l >= 0 && j + l < 8 && squares.Get(i + k, j + l) == Empty) { if ((k || l) && i + k >= 0 && i + k < 8 && j + l >= 0 && j + l < 8 && squares[(i + k), (j + l)] == Empty) {
V_5 = 1; V_5 = 1;
} }
} }
} }
} }
if (squares.Get(i, j) == Black) { if (squares[i, j] == Black) {
IL__dup(this); IL__dup(this);
object expr123 = expr122.blackCount; object expr123 = expr122.blackCount;
int expr129 = expr123 + 1; int expr129 = expr123 + 1;
@ -156,7 +156,7 @@ namespace Reversi
int expr13B = expr135 + 1; int expr13B = expr135 + 1;
expr134.blackFrontierCount = expr13B; expr134.blackFrontierCount = expr13B;
} }
if (safeDiscs.Get(i, j)) { if (safeDiscs[i, j]) {
IL__dup(this); IL__dup(this);
object expr152 = expr151.blackSafeCount; object expr152 = expr151.blackSafeCount;
int expr158 = expr152 + 1; int expr158 = expr152 + 1;
@ -164,7 +164,7 @@ namespace Reversi
} }
} }
else { else {
if (squares.Get(i, j) == White) { if (squares[i, j] == White) {
IL__dup(this); IL__dup(this);
object expr176 = expr175.whiteCount; object expr176 = expr175.whiteCount;
int expr17C = expr176 + 1; int expr17C = expr176 + 1;
@ -175,7 +175,7 @@ namespace Reversi
int expr18E = expr188 + 1; int expr18E = expr188 + 1;
expr187.whiteFrontierCount = expr18E; expr187.whiteFrontierCount = expr18E;
} }
if (safeDiscs.Get(i, j)) { if (safeDiscs[i, j]) {
IL__dup(this); IL__dup(this);
object expr1A5 = expr1A4.whiteSafeCount; object expr1A5 = expr1A4.whiteSafeCount;
int expr1AB = expr1A5 + 1; int expr1AB = expr1A5 + 1;
@ -197,28 +197,28 @@ namespace Reversi
} }
private bool IsOutflankable(int row, int col) private bool IsOutflankable(int row, int col)
{ {
int i = squares.Get(row, col); int i = squares[row, col];
bool V_3 = 0; bool V_3 = 0;
bool V_5 = 0; bool V_5 = 0;
bool V_4 = 0; bool V_4 = 0;
bool V_6 = 0; bool V_6 = 0;
for (int k = 0; k < col && !V_3; k++) { for (int k = 0; k < col && !V_3; k++) {
if (squares.Get(row, k) == Empty) { if (squares[row, k] == Empty) {
V_3 = 1; V_3 = 1;
} }
else { else {
if (squares.Get(row, k) != i || !safeDiscs.Get(row, k)) { if (squares[row, k] != i || !safeDiscs[row, k]) {
V_5 = 1; V_5 = 1;
} }
} }
} }
k = col + 1; k = col + 1;
for (; k < 8 && !V_4; k++) { for (; k < 8 && !V_4; k++) {
if (squares.Get(row, k) == Empty) { if (squares[row, k] == Empty) {
V_4 = 1; V_4 = 1;
} }
else { else {
if (squares.Get(row, k) != i || !safeDiscs.Get(row, k)) { if (squares[row, k] != i || !safeDiscs[row, k]) {
V_6 = 1; V_6 = 1;
} }
} }
@ -231,22 +231,22 @@ namespace Reversi
V_5 = 0; V_5 = 0;
V_6 = 0; V_6 = 0;
for (int j = 0; j < row && !V_3; j++) { for (int j = 0; j < row && !V_3; j++) {
if (squares.Get(j, col) == Empty) { if (squares[j, col] == Empty) {
V_3 = 1; V_3 = 1;
} }
else { else {
if (squares.Get(j, col) != i || !safeDiscs.Get(j, col)) { if (squares[j, col] != i || !safeDiscs[j, col]) {
V_5 = 1; V_5 = 1;
} }
} }
} }
j = row + 1; j = row + 1;
for (; j < 8 && !V_4; j++) { for (; j < 8 && !V_4; j++) {
if (squares.Get(j, col) == Empty) { if (squares[j, col] == Empty) {
V_4 = 1; V_4 = 1;
} }
else { else {
if (squares.Get(j, col) != i || !safeDiscs.Get(j, col)) { if (squares[j, col] != i || !safeDiscs[j, col]) {
V_6 = 1; V_6 = 1;
} }
} }
@ -261,11 +261,11 @@ namespace Reversi
j = row - 1; j = row - 1;
k = col - 1; k = col - 1;
for (; j >= 0 && k >= 0 && !V_3; k--) { for (; j >= 0 && k >= 0 && !V_3; k--) {
if (squares.Get(j, k) == Empty) { if (squares[j, k] == Empty) {
V_3 = 1; V_3 = 1;
} }
else { else {
if (squares.Get(j, k) != i || !safeDiscs.Get(j, k)) { if (squares[j, k] != i || !safeDiscs[j, k]) {
V_5 = 1; V_5 = 1;
} }
} }
@ -274,11 +274,11 @@ namespace Reversi
j = row + 1; j = row + 1;
k = col + 1; k = col + 1;
for (; j < 8 && k < 8 && !V_4; k++) { for (; j < 8 && k < 8 && !V_4; k++) {
if (squares.Get(j, k) == Empty) { if (squares[j, k] == Empty) {
V_4 = 1; V_4 = 1;
} }
else { else {
if (squares.Get(j, k) != i || !safeDiscs.Get(j, k)) { if (squares[j, k] != i || !safeDiscs[j, k]) {
V_6 = 1; V_6 = 1;
} }
} }
@ -294,11 +294,11 @@ namespace Reversi
j = row - 1; j = row - 1;
k = col + 1; k = col + 1;
for (; j >= 0 && k < 8 && !V_3; k++) { for (; j >= 0 && k < 8 && !V_3; k++) {
if (squares.Get(j, k) == Empty) { if (squares[j, k] == Empty) {
V_3 = 1; V_3 = 1;
} }
else { else {
if (squares.Get(j, k) != i || !safeDiscs.Get(j, k)) { if (squares[j, k] != i || !safeDiscs[j, k]) {
V_5 = 1; V_5 = 1;
} }
} }
@ -307,11 +307,11 @@ namespace Reversi
j = row + 1; j = row + 1;
k = col - 1; k = col - 1;
for (; j < 8 && k >= 0 && !V_4; k--) { for (; j < 8 && k >= 0 && !V_4; k--) {
if (squares.Get(j, k) == Empty) { if (squares[j, k] == Empty) {
V_4 = 1; V_4 = 1;
} }
else { else {
if (squares.Get(j, k) != i || !safeDiscs.Get(j, k)) { if (squares[j, k] != i || !safeDiscs[j, k]) {
V_6 = 1; V_6 = 1;
} }
} }

23
src/AstMetodBodyBuilder.cs
Unescape View File

@ -459,6 +459,7 @@ namespace Decompiler
} else { } else {
target = new Ast.IdentifierExpression(cecilMethod.DeclaringType.FullName); target = new Ast.IdentifierExpression(cecilMethod.DeclaringType.FullName);
} }
// TODO: Hack, detect properties properly // TODO: Hack, detect properties properly
if (cecilMethod.Name.StartsWith("get_")) { if (cecilMethod.Name.StartsWith("get_")) {
return new Ast.MemberReferenceExpression(target, cecilMethod.Name.Remove(0, 4)); return new Ast.MemberReferenceExpression(target, cecilMethod.Name.Remove(0, 4));
@ -468,12 +469,26 @@ namespace Decompiler
AssignmentOperatorType.Assign, AssignmentOperatorType.Assign,
methodArgs[0] methodArgs[0]
); );
} else { }
return new Ast.InvocationExpression(
new Ast.MemberReferenceExpression(target, cecilMethod.Name), // Multi-dimensional array acces // TODO: do properly
methodArgs if (cecilMethod.Name == "Get") {
return new Ast.IndexerExpression(target, methodArgs);
} else if (cecilMethod.Name == "Set") {
Expression val = methodArgs[methodArgs.Count - 1];
methodArgs.RemoveAt(methodArgs.Count - 1);
return new Ast.AssignmentExpression(
new Ast.IndexerExpression(target, methodArgs),
AssignmentOperatorType.Assign,
val
); );
} }
// Default invocation
return new Ast.InvocationExpression(
new Ast.MemberReferenceExpression(target, cecilMethod.Name),
methodArgs
);
case Code.Calli: throw new NotImplementedException(); case Code.Calli: throw new NotImplementedException();
case Code.Castclass: return new Ast.CastExpression(operandAsTypeRef, arg1, CastType.Cast); case Code.Castclass: return new Ast.CastExpression(operandAsTypeRef, arg1, CastType.Cast);
case Code.Ckfinite: throw new NotImplementedException(); case Code.Ckfinite: throw new NotImplementedException();

14
src/Transforms/Ast/RemoveParenthesis.cs
Unescape View File

@ -28,6 +28,20 @@ namespace Decompiler.Transforms.Ast
return base.VisitAssignmentExpression(assignmentExpression, data); return base.VisitAssignmentExpression(assignmentExpression, data);
} }
public override object VisitReturnStatement(ReturnStatement returnStatement, object data)
{
returnStatement.Expression = Deparenthesize(returnStatement.Expression);
return base.VisitReturnStatement(returnStatement, data);
}
public override object VisitIndexerExpression(IndexerExpression indexer, object data)
{
if (GetPrecedence(indexer.TargetObject) >= GetPrecedence(indexer)) {
indexer.TargetObject = Deparenthesize(indexer.TargetObject);
}
return base.VisitIndexerExpression(indexer, data);
}
public override object VisitIfElseStatement(IfElseStatement ifElseStatement, object data) public override object VisitIfElseStatement(IfElseStatement ifElseStatement, object data)
{ {
ifElseStatement.Condition = Deparenthesize(ifElseStatement.Condition); ifElseStatement.Condition = Deparenthesize(ifElseStatement.Condition);

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