127 lines
2.3 KiB
C
127 lines
2.3 KiB
C
/*
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* $Id: tree.h,v 1.13 2006-01-19 16:28:21 bacon Exp $
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*/
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#ifndef _XP_AWK_TREE_H_
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#define _XP_AWK_TREE_H_
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enum
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{
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XP_AWK_NODE_NULL,
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XP_AWK_NODE_BLOCK,
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XP_AWK_NODE_BREAK,
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XP_AWK_NODE_CONTINUE,
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XP_AWK_NODE_RETURN,
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XP_AWK_NODE_EXIT,
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XP_AWK_NODE_ASSIGN,
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XP_AWK_NODE_BINARY,
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XP_AWK_NODE_UNARY,
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XP_AWK_NODE_STR,
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XP_AWK_NODE_NUM,
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XP_AWK_NODE_VAR,
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XP_AWK_NODE_IDX,
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XP_AWK_NODE_CALL,
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XP_AWK_NODE_IF,
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XP_AWK_NODE_WHILE,
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XP_AWK_NODE_DOWHILE,
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XP_AWK_NODE_FOR
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};
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typedef struct xp_awk_node_t xp_awk_node_t;
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typedef struct xp_awk_node_block_t xp_awk_node_block_t;
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typedef struct xp_awk_node_assign_t xp_awk_node_assign_t;
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typedef struct xp_awk_node_expr_t xp_awk_node_expr_t;
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typedef struct xp_awk_node_term_t xp_awk_node_term_t;
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typedef struct xp_awk_node_idx_t xp_awk_node_idx_t;
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typedef struct xp_awk_node_call_t xp_awk_node_call_t;
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typedef struct xp_awk_node_if_t xp_awk_node_if_t;
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typedef struct xp_awk_node_while_t xp_awk_node_while_t;
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typedef struct xp_awk_node_for_t xp_awk_node_for_t;
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#define XP_AWK_NODE_HDR \
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int type; \
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xp_awk_node_t* next
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struct xp_awk_node_t
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{
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XP_AWK_NODE_HDR;
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};
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struct xp_awk_node_block_t
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{
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XP_AWK_NODE_HDR;
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xp_awk_node_t* body;
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};
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struct xp_awk_node_assign_t
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{
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XP_AWK_NODE_HDR;
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xp_char_t* left;
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xp_awk_node_t* right;
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};
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struct xp_awk_node_expr_t
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{
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XP_AWK_NODE_HDR;
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int opcode;
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xp_awk_node_t* left;
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xp_awk_node_t* right;
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};
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struct xp_awk_node_term_t
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{
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XP_AWK_NODE_HDR;
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xp_char_t* value;
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};
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struct xp_awk_node_idx_t
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{
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XP_AWK_NODE_HDR;
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xp_char_t* name;
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xp_awk_node_t* idx;
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};
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struct xp_awk_node_call_t
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{
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XP_AWK_NODE_HDR; /* XP_AWK_NODE_CALL */
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xp_char_t* name;
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xp_awk_node_t* args;
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};
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struct xp_awk_node_if_t
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{
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XP_AWK_NODE_HDR; /* XP_AWK_NODE_IF */
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xp_awk_node_t* test;
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xp_awk_node_t* then_part;
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xp_awk_node_t* else_part; /* optional */
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};
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struct xp_awk_node_while_t
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{
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XP_AWK_NODE_HDR; /* XP_AWK_NODE_WHILE, XP_AWK_NODE_DOWHILE */
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xp_awk_node_t* test;
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xp_awk_node_t* body;
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};
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struct xp_awk_node_for_t
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{
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XP_AWK_NODE_HDR; /* XP_AWK_NODE_FOR */
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xp_awk_node_t* init; /* optional */
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xp_awk_node_t* test; /* optional */
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xp_awk_node_t* incr; /* optional */
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xp_awk_node_t* body;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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void xp_awk_prnpt (xp_awk_node_t* tree);
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void xp_awk_clrpt (xp_awk_node_t* tree);
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#ifdef __cplusplus
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}
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#endif
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#endif
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