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-rw-r--r--decoder/tree2string_translator.cc9
1 files changed, 5 insertions, 4 deletions
diff --git a/decoder/tree2string_translator.cc b/decoder/tree2string_translator.cc
index 61a3aba5..9cf18268 100644
--- a/decoder/tree2string_translator.cc
+++ b/decoder/tree2string_translator.cc
@@ -32,12 +32,12 @@ static void ReadTree2StringGrammar(istream* in, Tree2StringGrammarNode* root, bo
++lc;
if (line.size() == 0 || line[0] == '#') continue;
std::vector<StringPiece> fields = TokenizeMultisep(line, " ||| ");
- if (has_multiple_states && fields.size() != 4) {
- cerr << "Expected 4 fields in rule file but line " << lc << " is:\n" << line << endl;
+ if (has_multiple_states && fields.size() < 5) {
+ cerr << "Expected at least 4 fields in rule file but line " << lc << " is:\n" << line << endl;
abort();
}
- if (!has_multiple_states && fields.size() != 3) {
- cerr << "Expected 3 fields in rule file but line " << lc << " is:\n" << line << endl;
+ if (!has_multiple_states && fields.size() < 4) {
+ cerr << "Expected at least 3 fields in rule file but line " << lc << " is:\n" << line << endl;
abort();
}
@@ -73,6 +73,7 @@ static void ReadTree2StringGrammar(istream* in, Tree2StringGrammarNode* root, bo
cerr << "Not implemented...\n"; abort(); // TODO read in states
} else {
os << " ||| " << fields[1] << " ||| " << fields[2];
+ if (fields.size() > 3) os << " ||| " << fields[3];
rule.reset(new TRule(os.str()));
}
cur->rules.push_back(rule);