private void findAnonymousContexts(Start ast) {
ast.apply(
new DepthFirstAdapter() {
private final Grammar grammar = Grammar.this;
@Override
public void inALexerContext(ALexerContext node) {
if (node.getName() == null) {
if (Grammar.this.globalAnonymousContext != null) {
throw new InternalException(
"globalAnonymousContext should not have been created yet");
}
Grammar.this.globalAnonymousContext = new Context(this.grammar, node);
}
}
@Override
public void inAParserContext(AParserContext node) {
if (node.getName() == null) {
if (Grammar.this.globalAnonymousContext == null) {
Grammar.this.globalAnonymousContext = new Context(this.grammar, node);
} else {
Grammar.this.globalAnonymousContext.addDeclaration(node);
}
}
}
});
}
private void fillTreeNameSpace(Start ast) {
ast.apply(
new DepthFirstAdapter() {
private final Grammar grammar = Grammar.this;
private final TreeNameSpace treeNameSpace = this.grammar.treeNameSpace;
@Override
public void inATreeProduction(ATreeProduction node) {
Tree.TreeProduction treeProduction = new Tree.TreeProduction(node, this.grammar);
this.treeNameSpace.add(treeProduction);
Grammar.this.tree.addProduction(treeProduction);
}
});
}
private void findInlineExpressions(Start ast) {
ast.apply(new DeclarationFinder.InlineExpressionsFinder(this));
}
private void fillGlobalNameSpace(Start ast) {
// add all top-level names, excluding tree names
ast.apply(
new DepthFirstAdapter() {
private final Grammar grammar = Grammar.this;
private final NameSpace globalNameSpace = this.grammar.globalNameSpace;
private boolean inLexer;
private Context currentContext = Grammar.this.globalAnonymousContext;
@Override
public void inAGrammar(AGrammar node) {
this.grammar.declaration = node;
this.globalNameSpace.add(this.grammar);
}
@Override
public void inANamedExpression(ANamedExpression node) {
LexerExpression.NamedExpression namedExpression =
new LexerExpression.NamedExpression(node, this.grammar);
this.globalNameSpace.add(namedExpression);
Grammar.this.lexer.addNamedExpression(namedExpression);
}
@Override
public void inALexerContext(ALexerContext node) {
if (node.getName() != null) {
Context namedContext = new Context(this.grammar, node);
this.globalNameSpace.add(namedContext);
Grammar.this.namedContexts.add(namedContext);
}
}
@Override
public void inARoot(ARoot node) {
Grammar.this.parser.addRootDeclaration(node);
}
@Override
public void inAParserContext(AParserContext node) {
if (node.getName() != null) {
String name = node.getName().getText();
Context namedContext = this.globalNameSpace.getNamedContext(name);
if (namedContext != null) {
namedContext.addDeclaration(node);
} else {
namedContext = new Context(this.grammar, node);
this.globalNameSpace.add(namedContext);
Grammar.this.namedContexts.add(namedContext);
}
this.currentContext = namedContext;
}
}
@Override
public void outAParserContext(AParserContext node) {
this.currentContext = Grammar.this.globalAnonymousContext;
}
@Override
public void inAParserProduction(AParserProduction node) {
Parser.ParserProduction parserProduction =
Parser.ParserProduction.newParserProduction(
node, this.currentContext, this.grammar);
this.globalNameSpace.add(parserProduction);
Grammar.this.parser.addProduction(parserProduction);
}
@Override
public void inALexer(ALexer node) {
this.inLexer = true;
}
@Override
public void outALexer(ALexer node) {
this.inLexer = false;
}
@Override
public void inASelector(ASelector node) {
Selector selector;
if (this.inLexer) {
selector = new Selector.LexerSelector(node, this.grammar);
Grammar.this.lexer.addSelector((Selector.LexerSelector) selector);
} else {
selector = new Selector.ParserSelector(node, this.grammar);
Grammar.this.parser.addSelector((Selector.ParserSelector) selector);
}
for (Selector.Selection selection : selector.getSelections()) {
this.globalNameSpace.add(selection);
}
this.globalNameSpace.add(selector);
}
@Override
public void inAInvestigator(AInvestigator node) {
if (this.inLexer) {
Investigator.LexerInvestigator investigator =
new Investigator.LexerInvestigator(node, this.grammar);
this.globalNameSpace.add(investigator);
Grammar.this.lexer.addInvestigator(investigator);
} else {
Investigator.ParserInvestigator investigator =
new Investigator.ParserInvestigator(node, this.grammar);
this.globalNameSpace.add(investigator);
Grammar.this.parser.addInvestigator(investigator);
}
}
});
}