Moved SCL parser generator to platform repository.

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / parser / generator / grammar / Prod.java

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/parser/generator/grammar/Prod.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/parser/generator/grammar/Prod.java
new file mode 100644 (file)
index 0000000..6a6afca
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/parser/generator/grammar/Prod.java
@@ -0,0 +1,27 @@
+package org.simantics.scl.compiler.parser.generator.grammar;
+
+import org.simantics.scl.compiler.parser.regexp.automata.DFA;
+
+import gnu.trove.map.hash.TIntByteHashMap;
+
+public class Prod {
+    public final String name;
+    public final int lhs;
+    public final DFA rhs;
+    public final TIntByteHashMap annotations;
+    
+    public Prod(String name, int lhs, DFA rhs, TIntByteHashMap annotations) {
+        this.name = name;
+        this.lhs = lhs;
+        this.rhs = rhs;
+        this.annotations = annotations;
+    }
+
+    public String toString(AnaGrammar grammar) {
+        StringBuilder b = new StringBuilder();
+        b.append(grammar.nonterminalNames[lhs]);
+        b.append(" ::= ");
+        rhs.toRegexp().toString(b, grammar, 0);
+        return b.toString();
+    }
+}
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