public CompiledTemplate Compile(ITokenStream tokens, RecognizerSharedState state)
{
instrs = new byte[SUBTEMPLATE_INITIAL_CODE_SIZE];
sourceMap = new Interval[SUBTEMPLATE_INITIAL_CODE_SIZE];
TemplateParser parser = new TemplateParser(tokens, state, this, enclosingTemplateName);
try
{
parser.template(); // parse, trigger compile actions for single expr
}
catch (RecognitionException re)
{
ThrowTemplateException(tokens, parser, re);
}
if (strings != null)
code.strings = strings.ToArray();
code.codeSize = ip;
code.instrs = new byte[code.codeSize];
code.sourceMap = new Interval[code.codeSize];
Array.Copy(instrs, 0, code.instrs, 0, code.codeSize);
Array.Copy(sourceMap, 0, code.sourceMap, 0, code.codeSize);
return code;
}
protected void ThrowTemplateException(ITokenStream tokens, TemplateParser parser, RecognitionException re)
{
string msg = parser.GetErrorMessage(re, parser.TokenNames);
//String hdr = parser.getErrorHeader(re);
if (re.Token.Type == TemplateLexer.EOF_TYPE)
{
throw new TemplateException("premature EOF", re);
}
else if (re is NoViableAltException)
{
throw new TemplateException("'" + re.Token.Text + "' came as a complete surprise to me", re);
}
else if (tokens.Index == 0)
{
// couldn't parse anything
throw new TemplateException("this doesn't look like a template: \"" + tokens + "\"", re);
}
else if (tokens.LA(1) == TemplateLexer.LDELIM)
{
// couldn't parse anything
throw new TemplateException("doesn't look like an expression", re);
}
else
{
throw new TemplateException(msg, re);
}
}
public CompiledTemplate Compile(string template,
char delimiterStartChar,
char delimiterStopChar)
{
int initialSize = Math.Max(5, (int)(template.Length / CODE_SIZE_FACTOR));
instrs = new byte[initialSize];
sourceMap = new Interval[initialSize];
code.template = template;
TemplateLexer lexer = new TemplateLexer(new ANTLRStringStream(template), delimiterStartChar, delimiterStopChar);
CommonTokenStream tokens = new CommonTokenStream(lexer);
TemplateParser parser = new TemplateParser(tokens, this, enclosingTemplateName);
try
{
parser.templateAndEOF(); // parse, trigger compile actions for single expr
}
catch (RecognitionException re)
{
ThrowTemplateException(tokens, parser, re);
}
if (strings != null)
code.strings = strings.ToArray();
code.codeSize = ip;
code.instrs = new byte[code.codeSize];
code.sourceMap = new Interval[code.codeSize];
Array.Copy(instrs, 0, code.instrs, 0, code.codeSize);
Array.Copy(sourceMap, 0, code.sourceMap, 0, code.codeSize);
return code;
}
