jasder
/
antlr
1
0
Fork 1
Code Issues Pull Requests Releases 1 Wiki Activity

Fix NPE revealed by updated testing method

This commit is contained in:
Sam Harwell 2013-04-04 13:07:43 -05:00
parent 805430177c
commit 7235d71cc0
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tool/src/org/antlr/v4/Tool.java
View File

@ -527,7 +527,7 @@ public class Tool {
/** Manually get option node from tree; return null if no defined. */ /** Manually get option node from tree; return null if no defined. */
public static GrammarAST findOptionValueAST(GrammarRootAST root, String option) { public static GrammarAST findOptionValueAST(GrammarRootAST root, String option) {
GrammarAST options = (GrammarAST)root.getFirstChildWithType(ANTLRParser.OPTIONS); GrammarAST options = (GrammarAST)root.getFirstChildWithType(ANTLRParser.OPTIONS);
if ( options!=null ) { if ( options!=null && options.getChildCount() > 0 ) {
for (Object o : options.getChildren()) { for (Object o : options.getChildren()) {
GrammarAST c = (GrammarAST)o; GrammarAST c = (GrammarAST)o;
if ( c.getType() == ANTLRParser.ASSIGN && if ( c.getType() == ANTLRParser.ASSIGN &&