use of org.wso2.ballerinalang.compiler.parser.antlr4.BallerinaParserErrorListener in project ballerina by ballerina-lang.
the class Parser method generateCompilationUnit.
private CompilationUnitNode generateCompilationUnit(PackageSourceEntry sourceEntry) {
try {
int prevErrCount = dlog.errorCount;
BDiagnosticSource diagnosticSrc = getDiagnosticSource(sourceEntry);
String entryName = sourceEntry.getEntryName();
BLangCompilationUnit compUnit = (BLangCompilationUnit) TreeBuilder.createCompilationUnit();
compUnit.setName(sourceEntry.getEntryName());
compUnit.pos = new DiagnosticPos(diagnosticSrc, 1, 1, 1, 1);
ANTLRInputStream ais = new ANTLRInputStream(new ByteArrayInputStream(sourceEntry.getCode()));
ais.name = entryName;
BallerinaLexer lexer = new BallerinaLexer(ais);
lexer.removeErrorListeners();
lexer.addErrorListener(new BallerinaParserErrorListener(context, diagnosticSrc));
CommonTokenStream tokenStream = new CommonTokenStream(lexer);
BallerinaParser parser = new BallerinaParser(tokenStream);
parser.setErrorHandler(getErrorStrategy(diagnosticSrc));
parser.addParseListener(newListener(tokenStream, compUnit, diagnosticSrc));
parser.compilationUnit();
return compUnit;
} catch (IOException e) {
throw new RuntimeException("Error in populating package model: " + e.getMessage(), e);
}
}
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