60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
#pragma once
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#include <assert.h>
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#include <gc.h>
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#include <gc/cord.h>
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#include <stdio.h>
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#include <string.h>
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#include <err.h>
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#define streq(a, b) (((a) == NULL && (b) == NULL) || (((a) == NULL) == ((b) == NULL) && strcmp(a, b) == 0))
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#define new(t, ...) ((t*)memcpy(GC_MALLOC(sizeof(t)), &(t){__VA_ARGS__}, sizeof(t)))
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#define copy(obj_ptr) ((__typeof(obj_ptr))memcpy(GC_MALLOC(sizeof(*(obj_ptr))), obj_ptr, sizeof(*(obj_ptr))))
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#define grow(arr, new_size) ((typeof (arr))GC_REALLOC(arr, (sizeof(arr[0]))*(new_size)))
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#define Match(x, _tag) ((x)->tag == _tag ? &(x)->__data._tag : (errx(1, __FILE__ ":%d This was supposed to be a " # _tag "\n", __LINE__), &(x)->__data._tag))
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#define Tagged(t, _tag, ...) new(t, .tag=_tag, .__data._tag={__VA_ARGS__})
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#ifndef auto
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#define auto __auto_type
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#endif
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#ifndef public
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#define public __attribute__ ((visibility ("default")))
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#endif
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char *heap_strn(const char *str, size_t len);
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char *heap_str(const char *str);
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char *heap_strf(const char *fmt, ...);
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CORD CORD_asprintf(CORD fmt, ...);
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#define CORD_appendf(cord, fmt, ...) CORD_sprintf(cord, "%r" fmt, *(cord) __VA_OPT__(,) __VA_ARGS__)
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#define CORD_all(...) CORD_catn(sizeof((CORD[]){__VA_ARGS__})/sizeof(CORD), __VA_ARGS__)
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#define asprintfa(...) ({ char *_buf = alloca(snprintf(0, 0, __VA_ARGS__)); sprintf(_buf, __VA_ARGS__); _buf; })
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#define REVERSE_LIST(list) do { \
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__typeof(list) _prev = NULL; \
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__typeof(list) _next = NULL; \
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auto _current = list; \
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while (_current != NULL) { \
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_next = _current->next; \
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_current->next = _prev; \
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_prev = _current; \
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_current = _next; \
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} \
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list = _prev; \
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} while(0)
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#define LIST_MAP(src, var, ...) ({\
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__typeof(src) __mapped = NULL; \
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__typeof(src) *__next = &__mapped; \
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for (__typeof(src) var = src; var; var = var->next) { \
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*__next = GC_MALLOC(sizeof(__typeof(*(src)))); \
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**__next = *var; \
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**__next = (__typeof(*(src))){__VA_ARGS__}; \
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__next = &((*__next)->next); \
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} \
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__mapped; })
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// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0
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