/** Parses the source to a CST. You can retrieve it with getCST(). */
public void parse() throws CompilationFailedException {
if (this.phase > Phases.PARSING) {
throw new GroovyBugError("parsing is already complete");
}
if (this.phase == Phases.INITIALIZATION) {
nextPhase();
}
//
// Create a reader on the source and run the parser.
Reader reader = null;
try {
reader = source.getReader();
// lets recreate the parser each time as it tends to keep around state
parserPlugin = getConfiguration().getPluginFactory().createParserPlugin();
cst = parserPlugin.parseCST(this, reader);
sourceSummary = parserPlugin.getSummary();
reader.close();
} catch (IOException e) {
getErrorCollector().addFatalError(new SimpleMessage(e.getMessage(), this));
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
}
}
}
}
/** Generates an AST from the CST. You can retrieve it with getAST(). */
public void convert() throws CompilationFailedException {
if (this.phase == Phases.PARSING && this.phaseComplete) {
gotoPhase(Phases.CONVERSION);
}
if (this.phase != Phases.CONVERSION) {
throw new GroovyBugError("SourceUnit not ready for convert()");
}
//
// Build the AST
try {
this.ast = parserPlugin.buildAST(this, this.classLoader, this.cst);
this.ast.setDescription(this.name);
} catch (SyntaxException e) {
getErrorCollector().addError(new SyntaxErrorMessage(e, this));
}
String property =
(String)
AccessController.doPrivileged(
new PrivilegedAction() {
public Object run() {
return System.getProperty("groovy.ast");
}
});
if ("xml".equals(property)) {
saveAsXML(name, ast);
}
}