qse/ase/lsp/lsp.h

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/*
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* $Id: lsp.h,v 1.35 2007-02-03 10:51:52 bacon Exp $
*
* {License}
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*/
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#ifndef _ASE_LSP_LSP_H_
#define _ASE_LSP_LSP_H_
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#include <ase/types.h>
#include <ase/macros.h>
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typedef struct ase_lsp_t ase_lsp_t;
typedef struct ase_lsp_obj_t ase_lsp_obj_t;
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typedef struct ase_lsp_prmfns_t ase_lsp_prmfns_t;
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typedef ase_ssize_t (*ase_lsp_io_t) (
int cmd, void* arg, ase_char_t* data, ase_size_t count);
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typedef void* (*ase_lsp_malloc_t) (ase_size_t n, void* custom_data);
typedef void* (*ase_lsp_realloc_t) (void* ptr, ase_size_t n, void* custom_data);
typedef void (*ase_lsp_free_t) (void* ptr, void* custom_data);
typedef void* (*ase_lsp_memcpy_t) (void* dst, const void* src, ase_size_t n);
typedef void* (*ase_lsp_memset_t) (void* dst, int val, ase_size_t n);
typedef ase_bool_t (*ase_lsp_isctype_t) (ase_cint_t c);
typedef ase_cint_t (*ase_lsp_toctype_t) (ase_cint_t c);
typedef ase_real_t (*ase_lsp_pow_t) (ase_real_t x, ase_real_t y);
typedef int (*ase_lsp_sprintf_t) (
ase_char_t* buf, ase_size_t size, const ase_char_t* fmt, ...);
typedef void (*ase_lsp_aprintf_t) (const ase_char_t* fmt, ...);
typedef void (*ase_lsp_dprintf_t) (const ase_char_t* fmt, ...);
typedef void (*ase_lsp_abort_t) (void* custom_data);
struct ase_lsp_prmfns_t
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{
/* memory */
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ase_lsp_malloc_t malloc;
ase_lsp_realloc_t realloc;
ase_lsp_free_t free;
ase_lsp_memcpy_t memcpy;
ase_lsp_memset_t memset;
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/* character class */
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ase_lsp_isctype_t is_upper;
ase_lsp_isctype_t is_lower;
ase_lsp_isctype_t is_alpha;
ase_lsp_isctype_t is_digit;
ase_lsp_isctype_t is_xdigit;
ase_lsp_isctype_t is_alnum;
ase_lsp_isctype_t is_space;
ase_lsp_isctype_t is_print;
ase_lsp_isctype_t is_graph;
ase_lsp_isctype_t is_cntrl;
ase_lsp_isctype_t is_punct;
ase_lsp_toctype_t to_upper;
ase_lsp_toctype_t to_lower;
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/* utilities */
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ase_lsp_sprintf_t sprintf;
ase_lsp_aprintf_t aprintf;
ase_lsp_dprintf_t dprintf;
ase_lsp_abort_t abort;
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void* custom_data;
};
/* io function commands */
enum
{
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ASE_LSP_IO_OPEN = 0,
ASE_LSP_IO_CLOSE = 1,
ASE_LSP_IO_READ = 2,
ASE_LSP_IO_WRITE = 3
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};
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/* option code */
enum
{
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ASE_LSP_UNDEFSYMBOL = (1 << 0)
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};
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/* error code */
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enum
{
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ASE_LSP_ENOERR,
ASE_LSP_ENOMEM,
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ASE_LSP_EEXIT,
ASE_LSP_EEND,
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ASE_LSP_ERR_INPUT_NOT_ATTACHED,
ASE_LSP_ERR_INPUT,
ASE_LSP_ERR_OUTPUT_NOT_ATTACHED,
ASE_LSP_ERR_OUTPUT,
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ASE_LSP_ESYNTAX,
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ASE_LSP_EARGBAD,
ASE_LSP_EARGFEW,
ASE_LSP_EARGMANY,
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ASE_LSP_ERR_UNDEF_FUNC,
ASE_LSP_ERR_BAD_FUNC,
ASE_LSP_ERR_DUP_FORMAL,
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ASE_LSP_EBADSYM,
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ASE_LSP_ERR_UNDEF_SYMBOL,
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ASE_LSP_EEMPBDY,
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ASE_LSP_EVALBAD,
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ASE_LSP_EDIVBY0
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};
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typedef ase_lsp_obj_t* (*ase_lsp_prim_t) (ase_lsp_t* lsp, ase_lsp_obj_t* obj);
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/* assertion statement */
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#ifdef NDEBUG
#define ASE_LSP_ASSERT(lsp,expr) ((void)0)
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#define ASE_LSP_ASSERTX(lsp,expr,desc) ((void)0)
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#else
#define ASE_LSP_ASSERT(lsp,expr) (void)((expr) || \
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(ase_lsp_assertfail (lsp, ASE_T(#expr), ASE_NULL, ASE_T(__FILE__), __LINE__), 0))
#define ASE_LSP_ASSERTX(lsp,expr,desc) (void)((expr) || \
(ase_lsp_assertfail (lsp, ASE_T(#expr), ASE_T(desc), ASE_T(__FILE__), __LINE__), 0))
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#endif
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#ifdef __cplusplus
extern "C" {
#endif
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ase_lsp_t* ase_lsp_open (
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const ase_lsp_prmfns_t* prmfns,
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ase_size_t mem_ubound, ase_size_t mem_ubound_inc);
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void ase_lsp_close (ase_lsp_t* lsp);
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int ase_lsp_geterrnum (ase_lsp_t* lsp);
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int ase_lsp_attach_input (ase_lsp_t* lsp, ase_lsp_io_t input, void* arg);
int ase_lsp_detach_input (ase_lsp_t* lsp);
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int ase_lsp_attach_output (ase_lsp_t* lsp, ase_lsp_io_t output, void* arg);
int ase_lsp_detach_output (ase_lsp_t* lsp);
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ase_lsp_obj_t* ase_lsp_read (ase_lsp_t* lsp);
ase_lsp_obj_t* ase_lsp_eval (ase_lsp_t* lsp, ase_lsp_obj_t* obj);
int ase_lsp_print (ase_lsp_t* lsp, const ase_lsp_obj_t* obj);
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int ase_lsp_addprim (
ase_lsp_t* lsp, const ase_char_t* name, ase_size_t name_len,
ase_lsp_prim_t prim, ase_size_t min_args, ase_size_t max_args);
int ase_lsp_removeprim (ase_lsp_t* lsp, const ase_char_t* name);
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/* string functions exported by lsp.h */
ase_char_t* ase_lsp_strdup (ase_lsp_t* lsp, const ase_char_t* str);
ase_char_t* ase_lsp_strxdup (
ase_lsp_t* lsp, const ase_char_t* str, ase_size_t len);
ase_char_t* ase_lsp_strxdup2 (
ase_lsp_t* lsp,
const ase_char_t* str1, ase_size_t len1,
const ase_char_t* str2, ase_size_t len2);
ase_size_t ase_lsp_strlen (const ase_char_t* str);
ase_size_t ase_lsp_strcpy (ase_char_t* buf, const ase_char_t* str);
ase_size_t ase_lsp_strncpy (ase_char_t* buf, const ase_char_t* str, ase_size_t len);
int ase_lsp_strcmp (const ase_char_t* s1, const ase_char_t* s2);
int ase_lsp_strxncmp (
const ase_char_t* s1, ase_size_t len1,
const ase_char_t* s2, ase_size_t len2);
int ase_lsp_strxncasecmp (
ase_lsp_t* lsp,
const ase_char_t* s1, ase_size_t len1,
const ase_char_t* s2, ase_size_t len2);
ase_char_t* ase_lsp_strxnstr (
const ase_char_t* str, ase_size_t strsz,
const ase_char_t* sub, ase_size_t subsz);
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/* abort function for assertion. use ASE_LSP_ASSERT instead */
int ase_lsp_assertfail (ase_lsp_t* lsp,
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const ase_char_t* expr, const ase_char_t* desc,
const ase_char_t* file, int line);
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const ase_char_t* ase_lsp_geterrstr (int errnum);
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#ifdef __cplusplus
}
#endif
#endif