79 lines
1.6 KiB
C
79 lines
1.6 KiB
C
#include <sys/types.h>
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#include <assert.h>
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#include <ctype.h>
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#include <errno.h>
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#include <limits.h>
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#include <math.h>
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#include <setjmp.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "scheme.h"
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static void *reallocarray(void *ptr, size_t nmemb, size_t size)
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{
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return realloc(ptr, nmemb * size);
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}
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//
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void accum_elt(struct accum *accum, value_t elt)
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{
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value_t newtail;
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newtail = fl_cons(elt, FL_NIL);
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if (accum->tail != FL_NIL) {
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cdr_(accum->tail) = newtail;
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} else {
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accum->list = newtail;
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}
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accum->tail = newtail;
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}
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void accum_pair(struct accum *accum, value_t a, value_t d)
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{
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accum_elt(accum, fl_cons(a, d));
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}
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void accum_name_value(struct accum *accum, const char *name, value_t value)
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{
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accum_pair(accum, string_from_cstr(name), value);
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}
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//
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void sv_accum_init(struct sv_accum *accum)
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{
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accum->fill = 0;
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accum->cap = 8;
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accum->vec = calloc(accum->cap, sizeof(char *));
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if (!accum->vec) {
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lerror(MemoryError, "out of memory");
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}
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}
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void sv_accum_strdup(struct sv_accum *accum, const char *str)
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{
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char *dup;
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if (__unlikely(accum->cap <= accum->fill + 1)) {
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while (accum->cap <= accum->fill + 1) {
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accum->cap *= 2;
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}
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accum->vec = reallocarray(accum->vec, accum->cap, sizeof(char *));
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if (!accum->vec) {
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lerror(MemoryError, "out of memory");
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}
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}
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dup = strdup(str);
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if (!dup) {
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lerror(MemoryError, "out of memory");
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}
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accum->vec[accum->fill++] = dup;
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accum->vec[accum->fill] = 0;
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}
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