void Add(string message, Microsoft.Scripting.SourceSpan span)
{
lv.Items.Add(new ListViewItem(new[] { message, span.Start.Line.ToString(), span.Start.Column.ToString() })
{
Tag = span
});
}
public override void ErrorReported(ScriptSource source, string message, Microsoft.Scripting.SourceSpan span, int errorCode, Microsoft.Scripting.Severity severity)
{
Message = message;
ErrorCode = errorCode;
sev = severity;
Span = span;
}
public override void ErrorReported(ScriptSource source, string message, Microsoft.Scripting.SourceSpan span, int errorCode, Microsoft.Scripting.Severity severity)
{
Errors.Add(new ProgramError {
Line = span.Start.Line,
Column = span.Start.Column,
ErrorMessage = message,
ErrorNumber = errorCode.ToString(),
CodeBlock = blockType
});
}
private bool Parse()
{
_nextToken = 0;
_currentState = _states[0];
_lastTokenSpan = GetTokenSpan();
_stack.Push(_currentState, yyval, yyloc);
while (true)
{
LogStateEntered();
int action = _currentState.DefaultAction;
if (_currentState.Actions != null)
{
if (_nextToken == 0)
{
// We save the last token span, so that the location span
// of production right hand sides that begin or end with a
// nullable production will be correct.
_lastTokenSpan = GetTokenSpan();
_nextToken = GetNextToken();
}
LogNextToken(_nextToken);
_currentState.Actions.TryGetValue(_nextToken, out action);
}
if (action > 0)
{
LogBeforeShift(action, _nextToken, false);
Shift(action);
}
else if (action < 0)
{
Reduce(-action - 1);
// accept
if (action == -1)
{
return(true);
}
}
else if (action == 0)
{
// error
if (!ErrorRecovery())
{
return(false);
}
}
}
}
private void Reduce(int ruleId)
{
int ruleDef = _rules[ruleId];
int rhsLength = GetRuleRhsLength(ruleDef);
LogBeforeReduction(ruleId, rhsLength);
if (rhsLength == 0)
{
// The location span for an empty production will start with the
// beginning of the next lexeme, and end with the finish of the
// previous lexeme. This gives the correct behaviour when this
// nonsense value is used in later Merge operations.
yyloc = MergeLocations(_lastTokenSpan, GetTokenSpan());
}
else if (rhsLength == 1)
{
yyloc = _stack.PeekLocation(1);
}
else
{
TLocation at1 = GetLocation(rhsLength);
TLocation atN = GetLocation(1);
yyloc = MergeLocations(at1, atN);
}
DoAction(ruleId);
_stack.Pop(rhsLength);
var currentState = _stack.PeekState(1);
int gotoState;
if (currentState.GotoStates.TryGetValue(GetRuleLhsNonterminal(ruleDef), out gotoState))
{
LogBeforeGoto(gotoState, ruleId);
currentState = _states[gotoState];
}
_stack.Push(currentState, yyval, yyloc);
_currentState = currentState;
}
private void Reduce(int ruleId) {
int ruleDef = _rules[ruleId];
int rhsLength = GetRuleRhsLength(ruleDef);
LogBeforeReduction(ruleId, rhsLength);
if (rhsLength == 0) {
// The location span for an empty production will start with the
// beginning of the next lexeme, and end with the finish of the
// previous lexeme. This gives the correct behaviour when this
// nonsense value is used in later Merge operations.
yyloc = MergeLocations(_lastTokenSpan, GetTokenSpan());
} else if (rhsLength == 1) {
yyloc = _stack.PeekLocation(1);
} else {
TLocation at1 = GetLocation(rhsLength);
TLocation atN = GetLocation(1);
yyloc = MergeLocations(at1, atN);
}
DoAction(ruleId);
_stack.Pop(rhsLength);
var currentState = _stack.PeekState(1);
int gotoState;
if (currentState.GotoStates.TryGetValue(GetRuleLhsNonterminal(ruleDef), out gotoState)) {
LogBeforeGoto(gotoState, ruleId);
currentState = _states[gotoState];
}
_stack.Push(currentState, yyval, yyloc);
_currentState = currentState;
}
private bool Parse() {
_nextToken = 0;
_currentState = _states[0];
_lastTokenSpan = GetTokenSpan();
_stack.Push(_currentState, yyval, yyloc);
while (true) {
LogStateEntered();
int action = _currentState.DefaultAction;
if (_currentState.Actions != null) {
if (_nextToken == 0) {
// We save the last token span, so that the location span
// of production right hand sides that begin or end with a
// nullable production will be correct.
_lastTokenSpan = GetTokenSpan();
_nextToken = GetNextToken();
}
LogNextToken(_nextToken);
_currentState.Actions.TryGetValue(_nextToken, out action);
}
if (action > 0) {
LogBeforeShift(action, _nextToken, false);
Shift(action);
} else if (action < 0) {
Reduce(-action - 1);
// accept
if (action == -1) {
return true;
}
} else if (action == 0) {
// error
if (!ErrorRecovery()) {
return false;
}
}
}
}
public override void Add(string message, string path, string code, string line, Microsoft.Scripting.SourceSpan span, int errorCode, Microsoft.Scripting.Severity severity)
{
Add(message, span);
}
public override void Add(Microsoft.Scripting.SourceUnit source, string message, Microsoft.Scripting.SourceSpan span, int errorCode, Microsoft.Scripting.Severity severity)
{
Add(message, span);
}
