public List<AsbtractCodeFragment> Parse(FileLine line, IMessageHandler messageHandler)
{
List<AsbtractCodeFragment> fragments = new List<AsbtractCodeFragment>();
while (true) {
var index = (line.BeginIndexNonSpace + 1); // Skip #
// Find 'pragma'
string preproDirective;
index = this.MatchNextToken(line.Text, index, line.EndIndex, out preproDirective);
if (index == -1) {
break;
}
if (string.Compare(preproDirective, "pragma") != 0) {
break;
}
// Find 'include'
string pragmaName;
index = this.MatchNextToken(line.Text, index, line.EndIndex, out pragmaName);
if (index == -1) {
break;
}
if (string.Compare(pragmaName, "include") != 0) {
break;
}
// Find '"<Filename>"'
var pragmaArgIndex = line.Text.IndexOf(index, line.EndIndex, ch => ch == '"');
if (pragmaArgIndex == -1) {
break;
}
index = (pragmaArgIndex + 1);
var pragmaArgEndIndex = BraceCounter.FindQuoteEnd(index, line.EndIndex, line.Text);
if (pragmaArgEndIndex == -1) {
break;
}
index = (pragmaArgEndIndex + 1);
string pragmaArgument = line.Text.Substring(pragmaArgIndex + 1, (pragmaArgEndIndex - pragmaArgIndex - 1));
var textSpan = new TextSpan(line.BeginIndex, line.EndIndex, line.Text);
fragments.Add(new OriginPragma(pragmaName, pragmaArgument, line, textSpan));
break;
}
fragments.Add(new OriginScript(line, new TextSpan(line.BeginIndex, line.EndIndex, line.Text)));
return fragments;
}
public List<AsbtractCodeFragment> Parse(FileLine line, IMessageHandler messageHandler)
{
List<AsbtractCodeFragment> fragments = new List<AsbtractCodeFragment>();
var indexBeginIndent = (line.BeginIndexNonSpace + 1); //skip matched character
var scriptBeginIndex = line.Text.IndexOfNot(indexBeginIndent, line.EndIndex, CharExtensions.IsSpace);
if (scriptBeginIndex == -1) {
return fragments;
}
fragments.Add(new TargetPushIndentation(line, new TextSpan(indexBeginIndent, scriptBeginIndex, line.Text)));
fragments.Add(new OriginScript(line, new TextSpan(scriptBeginIndex, line.EndIndex, line.Text)));
fragments.Add(new TargetPopIndentation(line, new TextSpan(indexBeginIndent, scriptBeginIndex, line.Text)));
return fragments;
}
public List<AsbtractCodeFragment> Parse(FileLine line, IMessageHandler messageHandler)
{
List<AsbtractCodeFragment> fragments = new List<AsbtractCodeFragment>();
var beginIndexIndent = (line.BeginIndexNonSpace + 1); //skip matched character
var index = line.Text.IndexOfNot(beginIndexIndent, line.EndIndex, CharExtensions.IsSpace);
if (index == -1) {
index = line.EndIndex;
}
fragments.Add(new TargetIndentation(line, new TextSpan(beginIndexIndent, index, line.Text)));
var endIndex = index;
while (index < line.EndIndex) {
index = line.Text.IndexOf(index, line.EndIndex, (ch) => ch == '#');
if (index == -1) { // reached line end
break;
}
var expressionBeginIndex = index + 1; //skip #
if (expressionBeginIndex == line.EndIndex) { // reached line end
break;
}
switch (line.Text[expressionBeginIndex]) {
case '#':
fragments.Add(new OriginText(line, new TextSpan(expressionBeginIndex, expressionBeginIndex + 1, line.Text)));
index = endIndex = expressionBeginIndex + 1;
continue;
case '{':
var expressionEndIndex = BraceCounter.MatchBraces(expressionBeginIndex, line.EndIndex, line.Text);
if (expressionEndIndex == -1) {
endIndex = line.EndIndex;
messageHandler.TemplateMessage(TraceLevel.Error, line.Position, "Missing a closing '}'.");
break;
}
fragments.Add(new OriginExpression(line, new TextSpan(expressionBeginIndex + 1, expressionEndIndex - 1, line.Text)));
index = endIndex = expressionEndIndex + 1;
continue;
default:
index = endIndex = expressionBeginIndex + 1;
continue;
}
}
fragments.Add(new OriginText(line, new TextSpan(endIndex, line.EndIndex, line.Text)));
return fragments;
}
public List<AsbtractCodeFragment> Parse(string sourceName, string text)
{
List<AsbtractCodeFragment> fragments = new List<AsbtractCodeFragment>();
FileLine fileLine = new FileLine(text, 0, 0, 0, new TextFilePosition(sourceName, new TextPosition(0, 0)));
while (fileLine.BeginIndex < text.Length) {
++fileLine.Position.Line;
fileLine.BeginIndexNonSpace = text.IndexOfNot(fileLine.BeginIndex, text.Length, CharExtensions.IsSpace);
if (fileLine.BeginIndexNonSpace == -1) {
fileLine.BeginIndexNonSpace = text.Length;
}
fileLine.EndIndex = text.IndexOf(fileLine.BeginIndexNonSpace, text.Length, CharExtensions.IsNewline);
if (fileLine.EndIndex == -1) {
fileLine.EndIndex = text.Length;
}
IParserRule parserRule;
List<AsbtractCodeFragment> ruleFragments;
if (parseRules.TryGetValue(text[fileLine.EndIndex], out parserRule)) {
ruleFragments = parserRule.Parse(fileLine, messageHandler);
}
else {
ruleFragments = fallbackRule.Parse(fileLine, messageHandler);
}
fragments.AddRange(ruleFragments);
if (fileLine.EndIndex == text.Length) {
break;
}
char complementaryNewLineChar = ((text[fileLine.EndIndex] == '\n') ? '\r' : '\n');
fileLine.BeginIndex = text.IndexOfNot(fileLine.EndIndex + 1, text.Length, c => c == complementaryNewLineChar);
if (fileLine.BeginIndex == -1) {
fileLine.BeginIndex = text.Length;
}
}
return fragments;
}
public new List<AsbtractCodeFragment> Parse(FileLine line, IMessageHandler messageHandler)
{
List<AsbtractCodeFragment> fragments = base.Parse(line, messageHandler);
fragments.Add(new TargetNewLine(line, new TextSpan(line.EndIndex, line.EndIndex, line.Text)));
return fragments;
}
public List<AsbtractCodeFragment> Parse(FileLine line, IMessageHandler messageHandler)
{
List<AsbtractCodeFragment> fragments = new List<AsbtractCodeFragment>();
fragments.Add(new OriginScript(line, new TextSpan(line.BeginIndex, line.EndIndex, line.Text)));
return fragments;
}
