summaryrefslogtreecommitdiff
path: root/decoder/rule_lexer.ll
diff options
context:
space:
mode:
Diffstat (limited to 'decoder/rule_lexer.ll')
-rw-r--r--decoder/rule_lexer.ll42
1 files changed, 30 insertions, 12 deletions
diff --git a/decoder/rule_lexer.ll b/decoder/rule_lexer.ll
index c6a85919..05963d05 100644
--- a/decoder/rule_lexer.ll
+++ b/decoder/rule_lexer.ll
@@ -12,6 +12,7 @@
#include "fdict.h"
#include "trule.h"
#include "verbose.h"
+#include "tree_fragment.h"
int lex_line = 0;
std::istream* scfglex_stream = NULL;
@@ -51,6 +52,7 @@ int scfglex_src_nts[MAX_ARITY];
// float scfglex_nt_size_vars[MAX_ARITY];
std::stack<TRulePtr> ctf_rule_stack;
unsigned int ctf_level = 0;
+boost::shared_ptr<cdec::TreeFragment> scfglex_tree;
#define MAX_ALS 2000
AlignmentPoint scfglex_als[MAX_ALS];
@@ -120,7 +122,7 @@ void check_and_update_ctf_stack(const TRulePtr& rp) {
REAL [\-+]?[0-9]+(\.[0-9]*([eE][-+]*[0-9]+)?)?|inf|[\-+]inf
NT [^\t \[\],]+
-%x LHS_END SRC TRG FEATS FEATVAL ALIGNS
+%x LHS_END SRC TRG FEATS FEATVAL ALIGNS TREE
%%
<INITIAL>[ \t] {
@@ -205,7 +207,13 @@ NT [^\t \[\],]+
++scfglex_src_rhs_size;
}
<SRC>[ \t]+ { ; }
-
+<TREE>[^|\n]+ {
+ if (yyleng > 0) {
+ int len = yyleng;
+ while(len > 1 && yytext[len - 1] != ')') { --len; }
+ scfglex_tree.reset(new cdec::TreeFragment(std::string(yytext, len), true));
+ }
+ }
<TRG>\|\|\| {
BEGIN(FEATS);
}
@@ -216,7 +224,7 @@ NT [^\t \[\],]+
}
<TRG>[ \t]+ { ; }
-<TRG,FEATS,ALIGNS>\n {
+<TRG,FEATS,ALIGNS,TREE>\n {
if (scfglex_src_arity != scfglex_trg_arity) {
std::cerr << "Grammar " << scfglex_fname << " line " << lex_line << ": LHS and RHS arity mismatch!\n";
abort();
@@ -224,18 +232,25 @@ NT [^\t \[\],]+
// const bool ignore_grammar_features = false;
// if (ignore_grammar_features) scfglex_num_feats = 0;
TRulePtr rp(new TRule(scfglex_lhs, scfglex_src_rhs, scfglex_src_rhs_size, scfglex_trg_rhs, scfglex_trg_rhs_size, scfglex_feat_ids, scfglex_feat_vals, scfglex_num_feats, scfglex_src_arity, scfglex_als, scfglex_num_als));
- check_and_update_ctf_stack(rp);
- TRulePtr coarse_rp = ((ctf_level == 0) ? TRulePtr() : ctf_rule_stack.top());
+ if (scfglex_tree) {
+ if (scfglex_tree->frontier_sites != rp->Arity()) {
+ std::cerr << "Arity mismatch with tree annotation: " << *scfglex_tree << std::endl;
+ abort();
+ }
+ rp->tree_structure.swap(scfglex_tree);
+ }
+ check_and_update_ctf_stack(rp);
+ TRulePtr coarse_rp = ((ctf_level == 0) ? TRulePtr() : ctf_rule_stack.top());
rule_callback(rp, ctf_level, coarse_rp, rule_callback_extra);
- ctf_rule_stack.push(rp);
+ ctf_rule_stack.push(rp);
// std::cerr << rp->AsString() << std::endl;
num_rules++;
- lex_line++;
- if (!SILENT) {
- if (num_rules % 50000 == 0) { std::cerr << '.' << std::flush; fl = true; }
- if (num_rules % 2000000 == 0) { std::cerr << " [" << num_rules << "]\n"; fl = false; }
- }
- ctf_level = 0;
+ lex_line++;
+ if (!SILENT) {
+ if (num_rules % 50000 == 0) { std::cerr << '.' << std::flush; fl = true; }
+ if (num_rules % 2000000 == 0) { std::cerr << " [" << num_rules << "]\n"; fl = false; }
+ }
+ ctf_level = 0;
BEGIN(INITIAL);
}
@@ -253,6 +268,9 @@ NT [^\t \[\],]+
<FEATS>\|\|\| {
BEGIN(ALIGNS);
}
+<ALIGNS>\|\|\|[ \t]* {
+ BEGIN(TREE);
+ }
<FEATVAL>{REAL} {
scfglex_feat_vals[scfglex_num_feats] = strtod(yytext, NULL);
++scfglex_num_feats;