public void sortGrammarFiles() throws IOException {
// System.out.println("Grammar names "+getGrammarFileNames());
Graph g = new Graph();
List<String> missingFiles = new ArrayList<String>();
for (String gfile : grammarFileNames) {
try {
GrammarSpelunker grammar = new GrammarSpelunker(inputDirectory, gfile);
grammar.parse();
String vocabName = grammar.getTokenVocab();
String grammarName = grammar.getGrammarName();
// Make all grammars depend on any tokenVocab options
if (vocabName != null) g.addEdge(gfile, vocabName + CodeGenerator.VOCAB_FILE_EXTENSION);
// Make all generated tokens files depend on their grammars
g.addEdge(grammarName + CodeGenerator.VOCAB_FILE_EXTENSION, gfile);
} catch (FileNotFoundException fnfe) {
ErrorManager.error(ErrorManager.MSG_CANNOT_OPEN_FILE, gfile);
missingFiles.add(gfile);
}
}
List<Object> sorted = g.sort();
// System.out.println("sorted="+sorted);
grammarFileNames.clear(); // wipe so we can give new ordered list
for (int i = 0; i < sorted.size(); i++) {
String f = (String) sorted.get(i);
if (missingFiles.contains(f)) continue;
if (!(f.endsWith(".g") || f.endsWith(".g3"))) continue;
grammarFileNames.add(f);
}
// System.out.println("new grammars="+grammarFileNames);
}
public void addGrammarFile(String grammarFileName) {
if (!grammarFileNames.contains(grammarFileName)) {
grammarFileNames.add(grammarFileName);
}
}