Break parser functions into smaller files, group together.

src/include/parser/parse_expr.h

@@ -0,0 +1,34 @@
+/*-------------------------------------------------------------------------
+ *
+ * parse_exer.h
+ *
+ *
+ *
+ * Copyright (c) 1994, Regents of the University of California
+ *
+ * $Id: parse_expr.h,v 1.1 1997/11/25 22:06:55 momjian Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PARSE_EXPR_H
+#define PARSE_EXPR_H
+
+#include <nodes/nodes.h>
+#include <nodes/parsenodes.h>
+#include <nodes/primnodes.h>
+#include <parser/parse_node.h>
+
+Node *transformExpr(ParseState *pstate, Node *expr, int precedence);
+
+Node *transformIdent(ParseState *pstate, Node *expr, int precedence);
+
+Oid exprType(Node *expr);
+
+Node *handleNestedDots(ParseState *pstate, Attr *attr, int *curr_resno);
+
+Node *parser_typecast(Value *expr, TypeName *typename, int typlen);
+
+Node *parser_typecast2(Node *expr, Oid exprType, Type tp, int typlen);
+
+#endif							/* PARSE_EXPR_H */
+