qse/ase/awk/tree.h

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/*
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* $Id: tree.h,v 1.19 2006-01-30 14:34:47 bacon Exp $
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*/
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#ifndef _XP_AWK_TREE_H_
#define _XP_AWK_TREE_H_
enum
{
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XP_AWK_NODE_NULL,
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XP_AWK_NODE_BLOCK,
XP_AWK_NODE_BREAK,
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XP_AWK_NODE_CONTINUE,
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XP_AWK_NODE_RETURN,
XP_AWK_NODE_EXIT,
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XP_AWK_NODE_NEXT,
XP_AWK_NODE_NEXTFILE,
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XP_AWK_NODE_ASSIGN,
XP_AWK_NODE_BINARY,
XP_AWK_NODE_UNARY,
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XP_AWK_NODE_STR,
XP_AWK_NODE_NUM,
XP_AWK_NODE_VAR,
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XP_AWK_NODE_VARIDX,
XP_AWK_NODE_ARG,
XP_AWK_NODE_ARGIDX,
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XP_AWK_NODE_POS,
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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,
XP_AWK_NODE_FOR
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};
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typedef struct xp_awk_func_t xp_awk_func_t;
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typedef struct xp_awk_node_t xp_awk_node_t;
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typedef struct xp_awk_node_sgv_t xp_awk_node_sgv_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;
typedef struct xp_awk_node_term_t xp_awk_node_term_t;
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typedef struct xp_awk_node_var_t xp_awk_node_var_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_pos_t xp_awk_node_pos_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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struct xp_awk_func_t
{
xp_char_t* name;
xp_size_t nargs;
xp_awk_node_t* body;
};
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#define XP_AWK_NODE_HDR \
int type; \
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xp_awk_node_t* next
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struct xp_awk_node_t
{
XP_AWK_NODE_HDR;
};
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/* XP_AWK_NODE_RETURN, XP_AWK_NODE_EXIT, XP_AWK_NODE_POS */
struct xp_awk_node_sgv_t
{
XP_AWK_NODE_HDR;
xp_awk_node_t* value;
};
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struct xp_awk_node_block_t
{
XP_AWK_NODE_HDR;
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xp_size_t lvc; /* local variable count */
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xp_awk_node_t* body;
};
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struct xp_awk_node_assign_t
{
XP_AWK_NODE_HDR;
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xp_awk_node_t* left;
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xp_awk_node_t* right;
};
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struct xp_awk_node_expr_t
{
XP_AWK_NODE_HDR;
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int opcode;
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xp_awk_node_t* left;
xp_awk_node_t* right;
};
struct xp_awk_node_term_t
{
XP_AWK_NODE_HDR;
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xp_char_t* value;
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};
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struct xp_awk_node_var_t
{
XP_AWK_NODE_HDR;
union
{
xp_char_t* name;
xp_size_t idxa;
} id;
};
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struct xp_awk_node_idx_t
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{
XP_AWK_NODE_HDR;
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union
{
xp_char_t* name;
xp_size_t idxa;
} id;
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xp_awk_node_t* idx;
};
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struct xp_awk_node_call_t
{
XP_AWK_NODE_HDR; /* XP_AWK_NODE_CALL */
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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XP_AWK_NODE_HDR; /* XP_AWK_NODE_IF */
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xp_awk_node_t* test;
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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XP_AWK_NODE_HDR; /* XP_AWK_NODE_WHILE, XP_AWK_NODE_DOWHILE */
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xp_awk_node_t* test;
xp_awk_node_t* body;
};
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struct xp_awk_node_for_t
{
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XP_AWK_NODE_HDR; /* XP_AWK_NODE_FOR */
xp_awk_node_t* init; /* optional */
xp_awk_node_t* test; /* optional */
xp_awk_node_t* incr; /* optional */
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xp_awk_node_t* body;
};
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#ifdef __cplusplus
extern "C" {
#endif
void xp_awk_prnpt (xp_awk_node_t* tree);
void xp_awk_clrpt (xp_awk_node_t* tree);
#ifdef __cplusplus
}
#endif
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#endif