api/string_8c_source.html

/*
 * This file is part of the Fun programming language.
 * https://fun-lang.xyz/
 *
 * Copyright 2025 Johannes Findeisen <you@hanez.org>
 * Licensed under the terms of the Apache-2.0 license.
 * https://opensource.org/license/apache-2-0
 */
#include "value.h"
#include <stdlib.h>
/* String built-ins wrappers used by VM opcodes */
Value bi_split(const Value *str, const Value *sep) {
 const char *s = (str && str->type == VAL_STRING && str->s) ? str->s : "";
 const char *p = (sep && sep->type == VAL_STRING && sep->s) ? sep->s : "";
 return string_split_to_array(s, p);
}
Value bi_join(const Value *arr, const Value *sep) {
 const char *p = (sep && sep->type == VAL_STRING && sep->s) ? sep->s : "";
 char *s = array_join_with_sep(arr, p);
 Value out = make_string(s ? s : "");
 if (s) free(s);
 return out;
}
Value bi_substr(const Value *str, int start, int len) {
 const char *s = (str && str->type == VAL_STRING && str->s) ? str->s : "";
 char *sub = string_substr(s, start, len);
 Value out = make_string(sub ? sub : "");
 if (sub) free(sub);
 return out;
}
int bi_find(const Value *hay, const Value *needle) {
 const char *h = (hay && hay->type == VAL_STRING && hay->s) ? hay->s : "";
 const char *n = (needle && needle->type == VAL_STRING && needle->s) ? needle->s : "";
 return string_find(h, n);
}
out
Value out
Definition apop.c:38
arr
array_clear & arr
Definition clear.c:38
hay
Value hay
Definition find.c:37
len
size_t len
Definition input_line.c:102
n
int n
Definition insert.c:41
free
free(vals)
p
const char * p
Definition read_file.c:37
str
Value str
Definition regex_match.c:41
s
uint32_t s
Definition rol.c:31
start
Value start
Definition slice.c:34
string_substr
char * string_substr(const char *s, int start, int len)
Create a newly allocated substring of s.
Definition str_utils.c:35
array_join_with_sep
char * array_join_with_sep(const Value *v, const char *sep)
Join the elements of a Value array into a single newly allocated C string.
Definition str_utils.c:141
string_find
int string_find(const char *hay, const char *needle)
Find first occurrence of needle in hay.
Definition str_utils.c:56
string_split_to_array
Value string_split_to_array(const char *s, const char *sep)
Split a C string by separator into a Value array of strings.
Definition str_utils.c:74
bi_find
int bi_find(const Value *hay, const Value *needle)
Find the first occurrence of a needle inside a haystack string.
Definition string.c:96
bi_split
Value bi_split(const Value *str, const Value *sep)
Split a string by a separator into an array Value.
Definition string.c:37
bi_join
Value bi_join(const Value *arr, const Value *sep)
Join an array of strings with a separator into a single string Value.
Definition string.c:56
bi_substr
Value bi_substr(const Value *str, int start, int len)
Extract a substring from a string Value.
Definition string.c:77
Value
Tagged union representing a Fun value.
Definition value.h:68
Value::type
ValueType type
Definition value.h:69
Value::s
char * s
Definition value.h:73
make_string
Value make_string(const char *s)
Construct a string Value by duplicating the given C string.
Definition value.c:95
value.h
Defines the Value type and associated functions for the Fun VM.
VAL_STRING
@ VAL_STRING
Definition value.h:53