Break parser functions into smaller files, group together.

src/include/parser/parse_node.h

@@ -0,0 +1,67 @@
+/*-------------------------------------------------------------------------
+ *
+ * parse_node.h
+ *
+ *
+ * Copyright (c) 1994, Regents of the University of California
+ *
+ * $Id: parse_node.h,v 1.1 1997/11/25 22:06:57 momjian Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PARSE_NODE_H
+#define PARSE_NODE_H
+
+#include <nodes/nodes.h>
+#include <nodes/pg_list.h>
+#include <nodes/primnodes.h>
+#include <nodes/parsenodes.h>
+#include <parser/parse_type.h>
+#include <utils/rel.h>
+
+typedef struct QueryTreeList
+{
+	int			len;			/* number of queries */
+	Query	  **qtrees;
+} QueryTreeList;
+
+/* state information used during parse analysis */
+typedef struct ParseState
+{
+	int			p_last_resno;
+	List	   *p_rtable;
+	int			p_numAgg;
+	List	   *p_aggs;
+	bool		p_is_insert;
+	List	   *p_insert_columns;
+	bool		p_is_update;
+	bool		p_is_rule;
+	bool		p_in_where_clause;
+	Relation	p_target_relation;
+	RangeTblEntry *p_target_rangetblentry;
+} ParseState;
+
+ParseState *make_parsestate(void);
+
+Node *make_operand(char *opname,
+			 Node *tree,
+			 Oid orig_typeId,
+			 Oid true_typeId);
+
+void disallow_setop(char *op, Type optype, Node *operand);
+
+Expr *make_op(char *opname, Node *ltree, Node *rtree);
+
+Var *make_var(ParseState *pstate, char *refname, char *attrname, Oid *type_id);
+
+ArrayRef   *make_array_ref(Node *expr,
+			   List *indirection);
+
+ArrayRef   *make_array_set(Expr *target_expr,
+						   List *upperIndexpr,
+						   List *lowerIndexpr,
+						   Expr *expr);
+
+Const *make_const(Value *value);
+			   
+#endif							/* PARSE_NODE_H */