public long SyntaxScore(string line)
{
long score = 0;
char chpopped;
ChunkStack.Clear();
foreach (var ch in line.ToCharArray())
{
switch (ch)
{
case '(':
ChunkStack.Push(ch);
break;
case ')':
chpopped = ChunkStack.Pop();
if (chpopped != '(')
{
// bad chunk
score += 3;
}
break;
case '[':
ChunkStack.Push(ch);
break;
case ']':
chpopped = ChunkStack.Pop();
if (chpopped != '[')
{
// bad chunk
score += 57;
}
break;
case '{':
ChunkStack.Push(ch);
break;
case '}':
chpopped = ChunkStack.Pop();
if (chpopped != '{')
{
// bad chunk
score += 1197;
}
break;
case '<':
ChunkStack.Push(ch);
break;
case '>':
chpopped = ChunkStack.Pop();
if (chpopped != '<')
{
// bad chunk
score += 25137;
}
break;
default:
break;
}
if (score > 0)
{
break;
}
}
if (score == 0)
{
// an incomplete row
long compScore = 0;
while (ChunkStack.Count > 0)
{
char ch = ChunkStack.Pop();
switch (ch)
{
case '(':
compScore = 5 * compScore + 1;
break;
case '[':
compScore = 5 * compScore + 2;
break;
case '{':
compScore = 5 * compScore + 3;
break;
case '<':
compScore = 5 * compScore + 4;
break;
default:
break;
}
}
CompScores.Add(compScore);
}
return(score);
}