[sql] Import SQLite 3.17.0.

third_party/sqlite/src/ext/fts5/fts5parse.y

Index: third_party/sqlite/src/ext/fts5/fts5parse.y
diff --git a/third_party/sqlite/src/ext/fts5/fts5parse.y b/third_party/sqlite/src/ext/fts5/fts5parse.y
index 0e81771b4f1bf2184e459c6e7b9503107eee5fee..1cc4b88e18de6b8e564a097d789d8ca52bf63129 100644
--- a/third_party/sqlite/src/ext/fts5/fts5parse.y
+++ b/third_party/sqlite/src/ext/fts5/fts5parse.y
@@ -28,12 +28,13 @@
 // This code runs whenever there is a syntax error
 //
 %syntax_error {
+  UNUSED_PARAM(yymajor); /* Silence a compiler warning */
   sqlite3Fts5ParseError(
     pParse, "fts5: syntax error near \"%.*s\"",TOKEN.n,TOKEN.p
   );
 }
 %stack_overflow {
-  assert( 0 );
+  sqlite3Fts5ParseError(pParse, "fts5: parser stack overflow");
 }
 
 // The name of the generated procedure that implements the parser
@@ -103,7 +104,7 @@ expr(A) ::= exprlist(X).   {A = X;}
 
 exprlist(A) ::= cnearset(X). {A = X;}
 exprlist(A) ::= exprlist(X) cnearset(Y). {
-  A = sqlite3Fts5ParseNode(pParse, FTS5_AND, X, Y, 0);
+  A = sqlite3Fts5ParseImplicitAnd(pParse, X, Y);
 }
 
 cnearset(A) ::= nearset(X). { 
@@ -119,10 +120,17 @@ cnearset(A) ::= colset(X) COLON nearset(Y). {
 %type colsetlist {Fts5Colset*}
 %destructor colsetlist { sqlite3_free($$); }
 
+colset(A) ::= MINUS LCP colsetlist(X) RCP. { 
+    A = sqlite3Fts5ParseColsetInvert(pParse, X);
+}
 colset(A) ::= LCP colsetlist(X) RCP. { A = X; }
 colset(A) ::= STRING(X). {
   A = sqlite3Fts5ParseColset(pParse, 0, &X);
 }
+colset(A) ::= MINUS STRING(X). {
+  A = sqlite3Fts5ParseColset(pParse, 0, &X);
+  A = sqlite3Fts5ParseColsetInvert(pParse, A);
+}
 
 colsetlist(A) ::= colsetlist(Y) STRING(X). { 
   A = sqlite3Fts5ParseColset(pParse, Y, &X); }
@@ -130,7 +138,6 @@ colsetlist(A) ::= STRING(X). {
   A = sqlite3Fts5ParseColset(pParse, 0, &X); 
 }
 
-
 %type nearset     {Fts5ExprNearset*}
 %type nearphrases {Fts5ExprNearset*}
 %destructor nearset { sqlite3Fts5ParseNearsetFree($$); }