public void IncrementFor(CodeContext codeContext, ConditionalCodeBlock ccb, ExpressionParser expressionParser)
{
Statement[] statements = new CSharpParser().ParseStatements(ccb.ConditionExpression) as Statement[];
ExpressionStatement incrementStatement = statements[2] as ExpressionStatement;
expressionParser.EvaluateExpression(incrementStatement.Expression, codeContext);
}
public bool DetermineIfShouldExecute(
ScriptParsingPlugin plugin,
CodeContext codeContext,
ConditionalCodeBlock ccb,
ExpressionParser expressionParser,
bool isFirstExecution)
{
bool shouldExecute = false;
if (ccb.BlockType == BlockType.Else)
{
shouldExecute = true;
}
else if (ccb.BlockType == BlockType.For)
{
Statement[] statements = new CSharpParser().ParseStatements(ccb.ConditionExpression) as Statement[];
if (isFirstExecution)
{
VariableDeclarationStatement declaration = statements[0] as VariableDeclarationStatement;
var variable = declaration.Variables.FirstOrDefault();
plugin.ApplyAssignment(variable, declaration, codeContext);
}
var predicateExpression =
(statements[1] as ExpressionStatement).Expression;
var resultAsObject = expressionParser.EvaluateExpression(predicateExpression, codeContext);
return((bool)resultAsObject);
}
else if (ccb.BlockType == BlockType.While)
{
shouldExecute =
(bool)expressionParser.EvaluateExpression(ccb.ConditionExpression, codeContext);
}
else
{
try
{
shouldExecute =
(bool)expressionParser.EvaluateExpression(ccb.ConditionExpression, codeContext);
}
catch (Exception e)
{
throw e;
}
}
return(shouldExecute);
}
public void TestConditionalBlocks()
{
var type = ConditionalCodeBlock.GetBlockTypeStartingAt(new string[] { "if (true)" }, 0);
if (type != BlockType.If)
{
throw new Exception("If blocks are not being identified as such");
}
type = ConditionalCodeBlock.GetBlockTypeStartingAt(new string[] { "while (true)" }, 0);
if (type != BlockType.While)
{
throw new Exception("If blocks are not being identified as such");
}
type = ConditionalCodeBlock.GetBlockTypeStartingAt(new string[] { "foreach (var item in someList)" }, 0);
if (type != BlockType.Foreach)
{
throw new Exception("If blocks are not being identified as such");
}
type = ConditionalCodeBlock.GetBlockTypeStartingAt(new string[] { "for (int i = 0; i < 10; i++)" }, 0);
if (type != BlockType.For)
{
throw new Exception("If blocks are not being identified as such");
}
string[] lines = new string[]
{
"int m = 3;",
"for(int i = 0; i < 10; i++)",
"{",
" m++;",
"}"
};
CodeContext codeContext = new CodeContext(null);
mPlugin.ApplyLinesInternal(lines, 0, lines.Length, null, codeContext);
if ((int)(codeContext.VariableStack[0]["m"]) != 13)
{
throw new Exception("for loops are not working");
}
lines = new string[]
{
"while( m < 18)",
"{",
" m++;",
"}"
};
mPlugin.ApplyLinesInternal(lines, 0, lines.Length, null, codeContext);
if ((int)(codeContext.VariableStack[0]["m"]) != 18)
{
throw new Exception("while-loops are not working");
}
}
