184 lines
4.1 KiB
C
184 lines
4.1 KiB
C
/*
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* $Id: val.h,v 1.50 2006-11-16 11:53:16 bacon Exp $
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*/
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#ifndef _ASE_AWK_VAL_H_
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#define _ASE_AWK_VAL_H_
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#ifndef _ASE_AWK_AWK_H_
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#error Never include this file directly. Include <ase/awk/awk.h> instead
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#endif
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enum
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{
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/* the values between ASE_AWK_VAL_NIL and ASE_AWK_VAL_STR inclusive
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* must be synchronized with an internal table of the __cmp_val
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* function in run.c */
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ASE_AWK_VAL_NIL = 0,
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ASE_AWK_VAL_INT = 1,
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ASE_AWK_VAL_REAL = 2,
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ASE_AWK_VAL_STR = 3,
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ASE_AWK_VAL_REX = 4,
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ASE_AWK_VAL_MAP = 5,
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ASE_AWK_VAL_REF = 6
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};
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enum
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{
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/* keep these items in the same order as corresponding items
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* in tree.h */
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ASE_AWK_VAL_REF_NAMED,
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ASE_AWK_VAL_REF_GLOBAL,
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ASE_AWK_VAL_REF_LOCAL,
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ASE_AWK_VAL_REF_ARG,
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ASE_AWK_VAL_REF_NAMEDIDX,
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ASE_AWK_VAL_REF_GLOBALIDX,
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ASE_AWK_VAL_REF_LOCALIDX,
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ASE_AWK_VAL_REF_ARGIDX,
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ASE_AWK_VAL_REF_POS
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};
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enum
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{
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ASE_AWK_VALTOSTR_CLEAR = (1 << 0),
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ASE_AWK_VALTOSTR_PRINT = (1 << 1)
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};
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typedef struct ase_awk_val_nil_t ase_awk_val_nil_t;
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typedef struct ase_awk_val_int_t ase_awk_val_int_t;
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typedef struct ase_awk_val_real_t ase_awk_val_real_t;
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typedef struct ase_awk_val_str_t ase_awk_val_str_t;
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typedef struct ase_awk_val_rex_t ase_awk_val_rex_t;
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typedef struct ase_awk_val_map_t ase_awk_val_map_t;
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typedef struct ase_awk_val_ref_t ase_awk_val_ref_t;
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#if ASE_SIZEOF_INT == 2
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#define ASE_AWK_VAL_HDR \
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unsigned int type: 3; \
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unsigned int ref: 13
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#else
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#define ASE_AWK_VAL_HDR \
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unsigned int type: 3; \
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unsigned int ref: 29
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#endif
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struct ase_awk_val_t
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{
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ASE_AWK_VAL_HDR;
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};
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/* ASE_AWK_VAL_NIL */
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struct ase_awk_val_nil_t
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{
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ASE_AWK_VAL_HDR;
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};
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/* ASE_AWK_VAL_INT */
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struct ase_awk_val_int_t
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{
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ASE_AWK_VAL_HDR;
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ase_long_t val;
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ase_awk_nde_int_t* nde;
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};
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/* ASE_AWK_VAL_REAL */
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struct ase_awk_val_real_t
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{
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ASE_AWK_VAL_HDR;
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ase_real_t val;
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ase_awk_nde_real_t* nde;
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};
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/* ASE_AWK_VAL_STR */
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struct ase_awk_val_str_t
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{
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ASE_AWK_VAL_HDR;
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ase_char_t* buf;
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ase_size_t len;
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};
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/* ASE_AWK_VAL_REX */
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struct ase_awk_val_rex_t
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{
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ASE_AWK_VAL_HDR;
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ase_char_t* buf;
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ase_size_t len;
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void* code;
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};
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/* ASE_AWK_VAL_MAP */
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struct ase_awk_val_map_t
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{
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ASE_AWK_VAL_HDR;
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/* TODO: make val_map to array if the indices used are all
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* integers switch to map dynamically once the
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* non-integral index is seen.
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*/
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ase_awk_map_t* map;
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};
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/* ASE_AWK_VAL_REF */
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struct ase_awk_val_ref_t
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{
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ASE_AWK_VAL_HDR;
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int id;
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/* if id is ASE_AWK_VAL_REF_POS, adr holds an index of the
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* positionalvariable. Otherwise, adr points to the value
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* directly. */
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ase_awk_val_t** adr;
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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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extern ase_awk_val_t* ase_awk_val_nil;
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extern ase_awk_val_t* ase_awk_val_zls;
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extern ase_awk_val_t* ase_awk_val_zero;
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extern ase_awk_val_t* ase_awk_val_one;
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ase_awk_val_t* ase_awk_makeintval (ase_awk_run_t* run, ase_long_t v);
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ase_awk_val_t* ase_awk_makerealval (ase_awk_run_t* run, ase_real_t v);
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ase_awk_val_t* ase_awk_makestrval0 (ase_awk_run_t* run, const ase_char_t* str);
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ase_awk_val_t* ase_awk_makestrval (
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ase_awk_run_t* run, const ase_char_t* str, ase_size_t len);
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ase_awk_val_t* ase_awk_makestrval2 (
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ase_awk_run_t* run,
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const ase_char_t* str1, ase_size_t len1,
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const ase_char_t* str2, ase_size_t len2);
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ase_awk_val_t* ase_awk_makerexval (
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ase_awk_run_t* run, const ase_char_t* buf, ase_size_t len, void* code);
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ase_awk_val_t* ase_awk_makemapval (ase_awk_run_t* run);
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ase_awk_val_t* ase_awk_makerefval (
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ase_awk_run_t* run, int id, ase_awk_val_t** adr);
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ase_bool_t ase_awk_isbuiltinval (ase_awk_val_t* val);
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void ase_awk_freeval (ase_awk_run_t* run, ase_awk_val_t* val, ase_bool_t cache);
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void ase_awk_refupval (ase_awk_run_t* run, ase_awk_val_t* val);
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void ase_awk_refdownval (ase_awk_run_t* run, ase_awk_val_t* val);
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void ase_awk_refdownval_nofree (ase_awk_run_t* run, ase_awk_val_t* val);
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ase_bool_t ase_awk_valtobool (
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ase_awk_run_t* run, ase_awk_val_t* val);
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ase_char_t* ase_awk_valtostr (
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ase_awk_run_t* run, ase_awk_val_t* val,
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int opt, ase_awk_str_t* buf, ase_size_t* len);
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int ase_awk_valtonum (
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ase_awk_run_t* run, ase_awk_val_t* v, ase_long_t* l, ase_real_t* r);
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void ase_awk_dprintval (ase_awk_run_t* run, ase_awk_val_t* val);
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#ifdef __cplusplus
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}
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#endif
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#endif
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