private void generate(IndentingPrintWriter out) throws IOException {
printHeader(out);
out.indent();
ParseEngine parseEngine = new ParseEngine(state, semanticize);
parseEngine.build(out);
printBoilerplate(parseEngine, out);
out.unindent();
printFooter(out);
}
public static void start() throws MetaParseException {
Token t = null;
if (JavaCCErrors.get_error_count() != 0) throw new MetaParseException();
if (Options.getBuildParser()) {
try {
ostr =
new PrintWriter(
new BufferedWriter(
new FileWriter(new File(Options.getOutputDirectory(), cu_name + ".java")),
8192));
} catch (IOException e) {
JavaCCErrors.semantic_error("Could not open file " + cu_name + ".java for writing.");
throw new Error();
}
List tn = new ArrayList(toolNames);
tn.add(toolName);
ostr.println("/* " + getIdString(tn, cu_name + ".java") + " */");
boolean implementsExists = false;
if (cu_to_insertion_point_1.size() != 0) {
boolean printImports = true;
printTokenSetup((Token) (cu_to_insertion_point_1.get(0)));
ccol = 1;
for (Iterator it = cu_to_insertion_point_1.iterator(); it.hasNext(); ) {
t = (Token) it.next();
if (printImports && (t.kind == PUBLIC || t.kind == CLASS)) {
printImports = false;
ostr.println("");
ostr.println("import com.intellij.psi.tree.IElementType;");
ostr.println("import com.intellij.lang.PsiBuilder;");
ostr.println("import java.util.ArrayList;");
}
if (t.kind == IMPLEMENTS) {
implementsExists = true;
} else if (t.kind == CLASS) {
implementsExists = false;
}
printToken(t, ostr);
}
}
if (implementsExists) {
ostr.print(", ");
} else {
ostr.print(" implements ");
}
ostr.print(cu_name + "Constants ");
if (cu_to_insertion_point_2.size() != 0) {
printTokenSetup((Token) (cu_to_insertion_point_2.get(0)));
for (Iterator it = cu_to_insertion_point_2.iterator(); it.hasNext(); ) {
t = (Token) it.next();
printToken(t, ostr);
}
}
ostr.println("");
ostr.println("");
ParseEngine.build(ostr);
ostr.println(" private final PsiBuilder builder;");
ostr.println(" public " + cu_name + "(PsiBuilder builder) {");
ostr.println(" this.builder = builder;");
ostr.println(" }");
if (jj2index != 0) {
ostr.println(" " + staticOpt() + "private int jj_la;");
ostr.println(
" "
+ staticOpt()
+ "private ArrayList<IElementType> tokens = new ArrayList<IElementType>();");
ostr.println(" " + staticOpt() + "private int currentIndex = 0;");
ostr.println(" " + staticOpt() + "private int maxIndex = 0;");
if (lookaheadNeeded) {
ostr.println(" /** Whether we are looking ahead. */");
ostr.println(" " + staticOpt() + "private boolean jj_lookingAhead = false;");
ostr.println(" " + staticOpt() + "private boolean jj_semLA;");
}
}
ostr.println("");
ostr.println(" " + staticOpt() + "private void rollbackTo(int scanpos) {");
ostr.println(" currentIndex = scanpos;");
ostr.println(" }");
ostr.println(" " + staticOpt() + "private void init(int la) {");
ostr.println(" jj_la = la;");
ostr.println(" tokens.clear();");
ostr.println(" tokens.add(builder.getTokenType());");
ostr.println(" currentIndex = 0;");
ostr.println(" maxIndex = 0;");
ostr.println(" }");
ostr.println(
" " + staticOpt() + "private IElementType jj_consume_token(IElementType type) {");
ostr.println(" IElementType actualType = builder.getTokenType();");
ostr.println(" if (actualType == type) {");
ostr.println(" builder.advanceLexer();");
ostr.println(" } else {");
ostr.println(" builder.error(\"Expected \" + type + \", but get: \" + actualType);");
if (!Options.getAutomaticErrorRecovery()) ostr.println(" throw new ParseException();");
ostr.println(" }");
ostr.println(" return type;");
ostr.println(" }");
ostr.println("");
if (jj2index != 0) {
ostr.println(" static private final class LookaheadSuccess extends java.lang.Error { }");
ostr.println(
" " + staticOpt() + "final private LookaheadSuccess jj_ls = new LookaheadSuccess();");
ostr.println(" " + staticOpt() + "private void jj_on_la1() {");
ostr.println(" advanceLexer();");
ostr.println(" jj_test_jj_la();");
ostr.println(" }");
ostr.println("");
ostr.println(" " + staticOpt() + "private void jj_test_jj_la() {");
ostr.println(" if (jj_la == 0 && maxIndex == currentIndex)");
ostr.println(" throw jj_ls;");
ostr.println(" }");
ostr.println("");
ostr.println(" " + staticOpt() + "private IElementType advanceLexer() {");
ostr.println(" if (maxIndex == currentIndex) {");
ostr.println(" IElementType result = tokens.get(currentIndex);");
ostr.println(" builder.advanceLexer();");
ostr.println(" tokens.add(builder.getTokenType());");
ostr.println(" maxIndex++;");
ostr.println(" currentIndex++;");
ostr.println(" jj_la--;");
ostr.println(" return result;");
ostr.println(" }");
ostr.println(" return tokens.get(currentIndex++);");
ostr.println(" }");
ostr.println("");
ostr.println(" " + staticOpt() + "private boolean jj_scan_token(IElementType kind) {");
ostr.println(" IElementType nextType = advanceLexer();");
ostr.println(" if (nextType != kind) return true;");
ostr.println(" jj_test_jj_la();");
ostr.println(" return false;");
ostr.println(" }");
ostr.println("");
}
ostr.println("");
ostr.println("/** Get the next Token. Use getNextTokenType instead. ");
ostr.println(" " + staticOpt() + "final public Token getNextToken() {");
if (Options.getCacheTokens()) {
ostr.println(" if ((token = jj_nt).next != null) jj_nt = jj_nt.next;");
ostr.println(" else jj_nt = jj_nt.next = token_source.getNextToken();");
} else {
ostr.println(" if (token.next != null) token = token.next;");
ostr.println(" else token = token.next = token_source.getNextToken();");
ostr.println(" jj_ntk = -1;");
}
if (Options.getErrorReporting()) {
ostr.println(" jj_gen++;");
}
if (Options.getDebugParser()) {
ostr.println(" trace_token(token, \" (in getNextToken)\");");
}
ostr.println(" return token;");
ostr.println(" } */");
ostr.println("");
ostr.println("/** Get the specific Token. */");
ostr.println(" " + staticOpt() + "final public IElementType getTokenType(int index) {");
if (lookaheadNeeded) {
// ostr.println(" Token t = jj_lookingAhead ? jj_scanpos : token;");
} else {
ostr.println(" IElementType t = null;");
}
ostr.println(" for (int i = 0; i < index; i++) {");
ostr.println(" t = builder.getTokenType();");
ostr.println(" }");
ostr.println(" return t;");
ostr.println(" }");
ostr.println("");
ostr.println(" private IElementType getType() {");
ostr.println(" return builder.getTokenType();");
ostr.println(" }");
ostr.println("");
if (Options.getDebugParser()) {
ostr.println(" " + staticOpt() + "private int trace_indent = 0;");
ostr.println(" " + staticOpt() + "private boolean trace_enabled = true;");
ostr.println("");
ostr.println("/** Enable tracing. */");
ostr.println(" " + staticOpt() + "final public void enable_tracing() {");
ostr.println(" trace_enabled = true;");
ostr.println(" }");
ostr.println("");
ostr.println("/** Disable tracing. */");
ostr.println(" " + staticOpt() + "final public void disable_tracing() {");
ostr.println(" trace_enabled = false;");
ostr.println(" }");
ostr.println("");
ostr.println(" " + staticOpt() + "private void trace_call(String s) {");
ostr.println(" if (trace_enabled) {");
ostr.println(" for (int i = 0; i < trace_indent; i++) { System.out.print(\" \"); }");
ostr.println(" System.out.println(\"Call: \" + s);");
ostr.println(" }");
ostr.println(" trace_indent = trace_indent + 2;");
ostr.println(" }");
ostr.println("");
ostr.println(" " + staticOpt() + "private void trace_return(String s) {");
ostr.println(" trace_indent = trace_indent - 2;");
ostr.println(" if (trace_enabled) {");
ostr.println(" for (int i = 0; i < trace_indent; i++) { System.out.print(\" \"); }");
ostr.println(" System.out.println(\"Return: \" + s);");
ostr.println(" }");
ostr.println(" }");
ostr.println("");
ostr.println(" " + staticOpt() + "private void trace_token(Token t, String where) {");
ostr.println(" if (trace_enabled) {");
ostr.println(" for (int i = 0; i < trace_indent; i++) { System.out.print(\" \"); }");
ostr.println(" System.out.print(\"Consumed token: <\" + tokenImage[t.kind]);");
ostr.println(
" if (t.kind != 0 && !tokenImage[t.kind].equals(\"\\\"\" + t.image + \"\\\"\")) {");
ostr.println(" System.out.print(\": \\\"\" + t.image + \"\\\"\");");
ostr.println(" }");
ostr.println(
" System.out.println(\" at line \" + t.beginLine + "
+ "\" column \" + t.beginColumn + \">\" + where);");
ostr.println(" }");
ostr.println(" }");
ostr.println("");
ostr.println(" " + staticOpt() + "private void trace_scan(Token t1, int t2) {");
ostr.println(" if (trace_enabled) {");
ostr.println(" for (int i = 0; i < trace_indent; i++) { System.out.print(\" \"); }");
ostr.println(" System.out.print(\"Visited token: <\" + tokenImage[t1.kind]);");
ostr.println(
" if (t1.kind != 0 && !tokenImage[t1.kind].equals(\"\\\"\" + t1.image + \"\\\"\")) {");
ostr.println(" System.out.print(\": \\\"\" + t1.image + \"\\\"\");");
ostr.println(" }");
ostr.println(
" System.out.println(\" at line \" + t1.beginLine + \""
+ " column \" + t1.beginColumn + \">; Expected token: <\" + tokenImage[t2] + \">\");");
ostr.println(" }");
ostr.println(" }");
ostr.println("");
} else {
ostr.println(" /** Enable tracing. */");
ostr.println(" " + staticOpt() + "final public void enable_tracing() {");
ostr.println(" }");
ostr.println("");
ostr.println(" /** Disable tracing. */");
ostr.println(" " + staticOpt() + "final public void disable_tracing() {");
ostr.println(" }");
ostr.println("");
}
if (cu_from_insertion_point_2.size() != 0) {
printTokenSetup((Token) (cu_from_insertion_point_2.get(0)));
ccol = 1;
for (Iterator it = cu_from_insertion_point_2.iterator(); it.hasNext(); ) {
t = (Token) it.next();
printToken(t, ostr);
}
printTrailingComments(t, ostr);
}
ostr.println("");
ostr.close();
} // matches "if (Options.getBuildParser())"
}
