parser: use C tables in lexer

[nit.git] / src / parser / tables.nit

diff --git a/src/parser/tables.nit b/src/parser/tables.nit
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+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Module that interfaces the parsing tables.
+package tables
+
+# Interface allowing the acces of the tables used during the parsing.
+interface TablesCapable
+       # The goto value at row i, column j-1
+       # Note that the length of the row r is stored at (r, 0)
+       fun lexer_goto(i, j: Int): Int is extern "lexer_goto"
+
+       # The accept value at i
+       fun lexer_accept(i: Int): Int is extern "lexer_accept"
+end