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antlr
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added -tokens flag 

[git-p4: depot-paths = "//depot/code/antlr4/main/": change = 9756]
This commit is contained in:
parrt 2011-12-26 18:10:29 -08:00
parent bf8473e0fd
commit c1e199d77f
1 changed files with 18 additions and 14 deletions
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32
runtime/Java/src/org/antlr/v4/runtime/misc/TestRig.java
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@ -39,7 +39,7 @@ import java.lang.reflect.Method;
/** Run a lexer/parser combo, optionally printing tree string or generating
* postscript file. Optionally taking input file.
*
* $ java org.antlr.v4.runtime.misc.TestRig GrammarName startRuleName [-print] [-gui] [-ps file.ps] [input-filename]
* $ java org.antlr.v4.runtime.misc.TestRig GrammarName startRuleName [-print] [-tokens] [-gui] [-ps file.ps] [input-filename]
*/
public class TestRig {
public static void main(String[] args) throws Exception {
@ -49,8 +49,9 @@ public class TestRig {
boolean printTree = false;
boolean gui = false;
String psFile = null;
boolean showTokens = false;
if ( args.length < 2 ) {
System.err.println("java org.antlr.v4.runtime.misc.TestRig GrammarName startRuleName [-print] [-gui] [-ps file.ps] [input-filename]");
System.err.println("java org.antlr.v4.runtime.misc.TestRig GrammarName startRuleName [-print] [-tokens] [-gui] [-ps file.ps] [input-filename]");
return;
}
int i=0;
@ -71,6 +72,9 @@ public class TestRig {
if ( arg.equals("-gui") ) {
gui = true;
}
if ( arg.equals("-tokens") ) {
showTokens = true;
}
else if ( arg.equals("-ps") ) {
if ( i>=args.length ) {
System.err.println("missing filename on -ps");
@ -80,17 +84,6 @@ public class TestRig {
i++;
}
}
exec(grammarName, startRuleName, inputFile, printTree, gui, psFile);
}
public static void exec(String grammarName,
String startRuleName,
String inputFile,
boolean printTree,
boolean gui,
String psFile)
throws Exception
{
// System.out.println("exec "+grammarName+"."+startRuleName);
String lexerName = grammarName+"Lexer";
String parserName = grammarName+"Parser";
@ -115,10 +108,21 @@ public class TestRig {
Lexer lexer = lexerCtor.newInstance(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
if ( showTokens ) {
tokens.fill();
for (Object tok : tokens.getTokens()) {
System.out.println(tok);
}
}
Constructor<Parser> parserCtor = parserClass.getConstructor(TokenStream.class);
Parser parser = parserCtor.newInstance(tokens);
parser.setBuildParseTree(true);
parser.setErrorHandler(new DiagnosticErrorStrategy<Token>());
if ( printTree || gui || psFile!=null ) {
parser.setBuildParseTree(true);
}
Method startRule = parserClass.getMethod(startRuleName, (Class[])null);
ParserRuleContext<Token> tree = (ParserRuleContext<Token>)startRule.invoke(parser, (Object[])null);