Commit d47ecad8c251e529d93d09467d58c77fbed755a9
2023-04-15T05:41:53
buf_inspect_{s,u}
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diff --git a/README.md b/README.md
index 5c21934..bbd0154 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,7 @@ Script interpreter.
- DONE triple serial id
- with ignore variables
- boolean operators
+ - comparison operators
- arrays
- lists
- defmodule
@@ -69,6 +70,7 @@ Script interpreter.
- buf_sha256
- buf_popen
- tests
+ - sizeof(sw) == sizeof(void *)
- `(-S8_MIN - S8_MAX) == 1`
- `UW_MAX == ((1 << 8 * sizeof(uw)) - 1)`
- DONE group tests by test case
diff --git a/libc3/bool.c b/libc3/bool.c
index 88397a6..3e0a27d 100644
--- a/libc3/bool.c
+++ b/libc3/bool.c
@@ -14,13 +14,14 @@
#include "buf.h"
#include "buf_inspect.h"
-s_str * bool_inspect (e_bool x, s_str *dest)
+s_str * bool_inspect (bool *x, s_str *dest)
{
sw size;
s_buf tmp;
size = buf_inspect_bool_size(x);
if (size < 0) {
assert(! "bool_inspect: error");
+ errx(1, "bool_inspect: error: %d", *x);
return NULL;
}
buf_init_alloc(&tmp, size);
@@ -28,6 +29,7 @@ s_str * bool_inspect (e_bool x, s_str *dest)
assert(tmp.wpos == tmp.size);
if (tmp.wpos != tmp.size) {
buf_clean(&tmp);
+ errx(1, "bool_inspect: buf_inspect_bool");
return NULL;
}
return buf_to_str(&tmp, dest);
diff --git a/libc3/bool.h b/libc3/bool.h
index 1a6ef9c..ac65e0b 100644
--- a/libc3/bool.h
+++ b/libc3/bool.h
@@ -22,6 +22,6 @@
#include "types.h"
/* Observers */
-s_str * bool_inspect (e_bool b, s_str *dest);
+s_str * bool_inspect (bool *b, s_str *dest);
#endif /* BOOL_H */
diff --git a/libc3/buf_inspect.c b/libc3/buf_inspect.c
index 0b8ca3e..7282cd8 100644
--- a/libc3/buf_inspect.c
+++ b/libc3/buf_inspect.c
@@ -16,84 +16,248 @@
#include "../libtommath/tommath.h"
#include "c3.h"
+#define DEF_BUF_INSPECT_S_BASE(bits, base) \
+ sw buf_inspect_s ## bits ## _ ## base (s_buf *buf, \
+ const s ## bits *s) \
+ { \
+ sw r; \
+ sw result = 0; \
+ u ## bits u; \
+ u = *s; \
+ if (*s < 0) { \
+ if ((r = buf_write_1(buf, "-")) < 0) \
+ return r; \
+ result += r; \
+ u = -*s; \
+ } \
+ if ((r = buf_inspect_u ## bits ## _ ## base (buf, &u)) < 0) \
+ return r; \
+ result += r; \
+ return result; \
+ } \
+ \
+ sw buf_inspect_s ## bits ## _ ## base ## _size (const s ## bits *s) \
+ { \
+ sw result = 0; \
+ u ## bits u; \
+ u = *s; \
+ if (*s < 0) { \
+ result += strlen("-"); \
+ u = -*s; \
+ } \
+ result += buf_inspect_u ## bits ## _ ## base ## _size(&u); \
+ return result; \
+ }
+
+#define DEF_BUF_INSPECT_S(bits) \
+ sw buf_inspect_s ## bits (s_buf *buf, const s ## bits *s) \
+ { \
+ sw r; \
+ sw result = 0; \
+ u ## bits u; \
+ u = *s; \
+ if (*s < 0) { \
+ if ((r = buf_write_1(buf, "-")) < 0) \
+ return r; \
+ result += r; \
+ u = -*s; \
+ } \
+ if ((r = buf_inspect_u ## bits (buf, &u)) < 0) \
+ return r; \
+ result += r; \
+ return result; \
+ } \
+ \
+ sw buf_inspect_s ## bits ## _size (const s ## bits *s) \
+ { \
+ sw result = 0; \
+ u ## bits u; \
+ u = *s; \
+ if (*s < 0) { \
+ result += strlen("-"); \
+ u = -*s; \
+ } \
+ result += buf_inspect_u ## bits ## _size(&u); \
+ return result; \
+ } \
+ \
+ DEF_BUF_INSPECT_S_BASE(bits, binary) \
+ DEF_BUF_INSPECT_S_BASE(bits, hexadecimal) \
+ DEF_BUF_INSPECT_S_BASE(bits, octal)
+
+#define DEF_BUF_INSPECT_U_BASE(bits, base) \
+ sw buf_inspect_u ## bits ## _ ## base (s_buf *buf, \
+ const u ## bits *u) \
+ { \
+ return buf_inspect_u ## bits ## _base(buf, &g_c3_base_ ## base, \
+ u); \
+ } \
+ \
+ sw buf_inspect_u ## bits ## _ ## base ## _size (const u ## bits *u) \
+ { \
+ return buf_inspect_u ## bits ## _base_size(&g_c3_base_ ## base, \
+ u); \
+ }
+
+#define DEF_BUF_INSPECT_U(bits) \
+ sw buf_inspect_u ## bits (s_buf *buf, const u ## bits *u) \
+ { \
+ return buf_inspect_u ## bits ## _base(buf, &g_c3_base_decimal, u); \
+ } \
+ \
+ sw buf_inspect_u ## bits ## _base (s_buf *buf, \
+ const s_str *base, \
+ const u ## bits *u) \
+ { \
+ character *c; \
+ u8 digit; \
+ sw i; \
+ sw r; \
+ uw radix; \
+ s_buf_save save; \
+ sw size; \
+ character zero; \
+ u ## bits u_; \
+ u_ = *u; \
+ if (u_ == 0) { \
+ if (str_character(base, 0, &zero) < 0) \
+ return -1; \
+ return buf_write_character_utf8(buf, zero); \
+ } \
+ size = buf_inspect_u ## bits ## _base_size(base, u); \
+ c = calloc(size, sizeof(character)); \
+ buf_save_init(buf, &save); \
+ radix = base->size; \
+ i = 0; \
+ while (u_ > 0) { \
+ digit = u_ % radix; \
+ u_ /= radix; \
+ if (str_character(base, digit, c + i) < 0) { \
+ r = -1; \
+ goto restore; \
+ } \
+ i++; \
+ } \
+ while (i--) \
+ if ((r = buf_write_character_utf8(buf, c[i])) < 0) \
+ goto restore; \
+ r = size; \
+ goto clean; \
+ restore: \
+ buf_save_restore_wpos(buf, &save); \
+ clean: \
+ buf_save_clean(buf, &save); \
+ return r; \
+ } \
+ \
+ sw buf_inspect_u ## bits ## _base_size (const s_str *base, \
+ const u ## bits *u) \
+ { \
+ uw radix; \
+ sw size = 0; \
+ u ## bits u_; \
+ u_ = *u; \
+ if (u_ == 0) \
+ return 1; \
+ radix = base->size; \
+ while (u_ > 0) { \
+ u_ /= radix; \
+ size++; \
+ } \
+ return size; \
+ } \
+ \
+ sw buf_inspect_u ## bits ## _size (const u ## bits *u) \
+ { \
+ return buf_inspect_u ## bits ## _base_size(&g_c3_base_decimal, u); \
+ } \
+ \
+ DEF_BUF_INSPECT_U_BASE(bits, binary) \
+ DEF_BUF_INSPECT_U_BASE(bits, hexadecimal) \
+ DEF_BUF_INSPECT_U_BASE(bits, octal)
+
sw buf_inspect_ident_reserved (s_buf *buf, const s_ident *x);
sw buf_inspect_ident_reserved_size (const s_ident *x);
-sw buf_inspect_str_byte (s_buf *buf, u8 x);
+sw buf_inspect_str_byte (s_buf *buf, const u8 *byte);
sw buf_inspect_str_reserved (s_buf *buf, const s_str *x);
sw buf_inspect_str_reserved_size (const s_str *x);
sw buf_inspect_sym_reserved (s_buf *buf, const s_sym *x);
sw buf_inspect_sym_reserved_size (const s_sym *x);
-sw buf_inspect_array (s_buf *buf, const s_array *a)
+f_buf_inspect buf_inspect (e_tag_type type)
{
- uw *address;
- uw i = 0;
- f_buf_inspect inspect;
- sw r;
- sw result = 0;
- assert(a);
- assert(buf);
- switch (a->type) {
+ switch (type) {
case TAG_VOID:
- assert(! "buf_inspect_array: void array");
- errx(1, "buf_inspect_array: void array");
- return -1;
+ return (f_buf_inspect) buf_inspect_void;
case TAG_ARRAY:
- assert(! "buf_inspect_array: array of array");
- errx(1, "buf_inspect_array: array of array");
- break;
case TAG_BOOL:
- inspect = (f_buf_inspect) buf_inspect_bool;
- break;
+ return (f_buf_inspect) buf_inspect_bool;
case TAG_CALL:
case TAG_CALL_FN:
case TAG_CALL_MACRO:
- inspect = (f_buf_inspect) buf_inspect_call;
+ return (f_buf_inspect) buf_inspect_call;
case TAG_CFN:
- inspect = (f_buf_inspect) buf_inspect_cfn;
+ return (f_buf_inspect) buf_inspect_cfn;
case TAG_CHARACTER:
- inspect = (f_buf_inspect) buf_inspect_character;
+ return (f_buf_inspect) buf_inspect_character;
case TAG_F32:
- inspect = (f_buf_inspect) buf_inspect_f32;
+ return (f_buf_inspect) buf_inspect_f32;
case TAG_F64:
- inspect = (f_buf_inspect) buf_inspect_f64;
+ return (f_buf_inspect) buf_inspect_f64;
case TAG_FN:
- inspect = (f_buf_inspect) buf_inspect_fn;
+ return (f_buf_inspect) buf_inspect_fn;
case TAG_IDENT:
- inspect = (f_buf_inspect) buf_inspect_ident;
+ return (f_buf_inspect) buf_inspect_ident;
case TAG_INTEGER:
- inspect = (f_buf_inspect) buf_inspect_integer;
+ return (f_buf_inspect) buf_inspect_integer;
case TAG_S64:
- inspect = (f_buf_inspect) buf_inspect_s64;
+ return (f_buf_inspect) buf_inspect_s64;
case TAG_S32:
- inspect = (f_buf_inspect) buf_inspect_s32;
+ return (f_buf_inspect) buf_inspect_s32;
case TAG_S16:
- inspect = (f_buf_inspect) buf_inspect_s16;
+ return (f_buf_inspect) buf_inspect_s16;
case TAG_S8:
- inspect = (f_buf_inspect) buf_inspect_s8;
+ return (f_buf_inspect) buf_inspect_s8;
case TAG_U8:
- inspect = (f_buf_inspect) buf_inspect_u8;
+ return (f_buf_inspect) buf_inspect_u8;
case TAG_U16:
- inspect = (f_buf_inspect) buf_inspect_u16;
+ return (f_buf_inspect) buf_inspect_u16;
case TAG_U32:
- inspect = (f_buf_inspect) buf_inspect_u32;
+ return (f_buf_inspect) buf_inspect_u32;
case TAG_U64:
- inspect = (f_buf_inspect) buf_inspect_u64;
+ return (f_buf_inspect) buf_inspect_u64;
case TAG_LIST:
- inspect = (f_buf_inspect) buf_inspect_list;
+ return (f_buf_inspect) buf_inspect_list;
case TAG_PTAG:
- inspect = (f_buf_inspect) buf_inspect_ptag;
+ return (f_buf_inspect) buf_inspect_ptag;
case TAG_QUOTE:
- inspect = (f_buf_inspect) buf_inspect_quote;
+ return (f_buf_inspect) buf_inspect_quote;
case TAG_STR:
- inspect = (f_buf_inspect) buf_inspect_str;
+ return (f_buf_inspect) buf_inspect_str;
case TAG_SYM:
- inspect = (f_buf_inspect) buf_inspect_sym;
+ return (f_buf_inspect) buf_inspect_sym;
case TAG_TUPLE:
- inspect = (f_buf_inspect) buf_inspect_tuple;
+ return (f_buf_inspect) buf_inspect_tuple;
case TAG_VAR:
- inspect = (f_buf_inspect) buf_inspect_var;
+ return (f_buf_inspect) buf_inspect_var;
}
+}
+
+sw buf_inspect_array (s_buf *buf, const s_array *a)
+{
+ uw *address;
+ uw i = 0;
+ f_buf_inspect inspect;
+ sw r;
+ sw result = 0;
+ assert(a);
+ assert(buf);
+ if (a->type == TAG_ARRAY) {
+ assert(! "buf_inspect_array: array of array");
+ errx(1, "buf_inspect_array: array of array");
+ return -1;
+ }
+ inspect = buf_inspect(a->type);
if (! (address = calloc(a->dimension, sizeof(uw)))) {
err(1, "buf_inspect_array");
return -1;
@@ -112,7 +276,7 @@ sw buf_inspect_array (s_buf *buf, const s_array *a)
result += r;
}
if (i == a->dimension - 1) {
- while (i >= 0 && address[i] == a->dimensions[i].count) {
+ while (address[i] == a->dimensions[i].count) {
if ((r = buf_write_1(buf, "],\n")) < 0)
return r;
result += r;
@@ -135,16 +299,16 @@ sw buf_inspect_array_size (const s_array *a)
return -1;
}
-sw buf_inspect_bool (s_buf *buf, e_bool x)
+sw buf_inspect_bool (s_buf *buf, const bool *b)
{
- if (x)
+ if (*b)
return buf_write_1(buf, "true");
return buf_write_1(buf, "false");
}
-sw buf_inspect_bool_size (e_bool x)
+sw buf_inspect_bool_size (const bool *b)
{
- if (x)
+ if (*b)
return strlen("true");
return strlen("false");
}
@@ -315,54 +479,66 @@ sw buf_inspect_cfn_size (const s_cfn *cfn)
return result;
}
-sw buf_inspect_character (s_buf *buf, character x)
+sw buf_inspect_character (s_buf *buf, const character *c)
{
sw r;
- sw size;
- size = buf_inspect_character_size(x);
- if ((r = buf_write_u8(buf, '\'')) < 0 ||
- (r = buf_inspect_str_character(buf, x)) < 0 ||
- (r = buf_write_u8(buf, '\'')) < 0)
+ sw result = 0;
+ s_buf_save save;
+ buf_save_init(buf, &save);
+ if ((r = buf_write_1(buf, "'")) < 0)
return r;
- return size;
+ result += r;
+ if ((r = buf_inspect_str_character(buf, c)) <= 0)
+ goto restore;
+ result += r;
+ if ((r = buf_write_1(buf, "'")) < 0)
+ goto restore;
+ result += r;
+ r = result;
+ goto clean;
+ restore:
+ buf_save_restore_wpos(buf, &save);
+ clean:
+ buf_save_clean(buf, &save);
+ return result;
}
-sw buf_inspect_character_size (character c)
+sw buf_inspect_character_size (const character *c)
{
- sw size;
- size = buf_inspect_str_character_size(c);
- if (size < 0)
- return size;
- if (size == 0)
- return -1;
- size += 2;
- return size;
+ sw r;
+ sw result = 0;
+ result += strlen("'");
+ if ((r = buf_inspect_str_character_size(c)) <= 0)
+ return r;
+ result += r;
+ result += strlen("'");
+ return result;
}
-sw buf_inspect_f32 (s_buf *buf, f32 x)
+sw buf_inspect_f32 (s_buf *buf, const f32 *f)
{
- return buf_f(buf, "%g", x);
+ return buf_f(buf, "%g", *f);
}
-sw buf_inspect_f32_size (f32 x)
+sw buf_inspect_f32_size (const f32 *f)
{
s8 b[16];
s_buf buf;
buf_init(&buf, false, sizeof(b), b);
- return buf_inspect_f32(&buf, x);
+ return buf_inspect_f32(&buf, f);
}
-sw buf_inspect_f64 (s_buf *buf, f64 x)
+sw buf_inspect_f64 (s_buf *buf, const f64 *f)
{
- return buf_f(buf, "%g", x);
+ return buf_f(buf, "%g", *f);
}
-sw buf_inspect_f64_size (f64 x)
+sw buf_inspect_f64_size (const f64 *f)
{
s8 b[16];
s_buf buf;
buf_init(&buf, false, sizeof(b), b);
- return buf_inspect_f64(&buf, x);
+ return buf_inspect_f64(&buf, f);
}
sw buf_inspect_fact (s_buf *buf, const s_fact *fact)
@@ -768,7 +944,7 @@ sw buf_inspect_ptag (s_buf *buf, p_tag ptag)
if ((r = buf_write_1(buf, "@0x")) < 0)
return r;
result += r;
- if ((r = buf_inspect_uw_hex(buf, (uw) ptag)) < 0)
+ if ((r = buf_inspect_uw_hexadecimal(buf, (uw *) &ptag)) < 0)
return r;
result += r;
return result;
@@ -787,200 +963,147 @@ sw buf_inspect_quote (s_buf *buf, const s_quote *quote)
{
sw r;
sw result = 0;
+ s_buf_save save;
if ((r = buf_write_1(buf, "quote ")) < 0)
return r;
result += r;
if ((r = buf_inspect_tag(buf, quote->tag)) < 0)
- return r;
- result += r;
- return result;
+ goto restore;
+ r = result;
+ goto clean;
+ restore:
+ buf_save_restore_wpos(buf, &save);
+ clean:
+ buf_save_clean(buf, &save);
+ return r;
}
sw buf_inspect_quote_size (const s_quote *quote)
{
- sw result = 0;
- result += strlen("'");
- result += buf_inspect_tag_size(quote->tag);
- return result;
-}
-
-sw buf_inspect_s8 (s_buf *buf, s8 x)
-{
sw r;
sw result = 0;
- if (x < 0) {
- if ((r = buf_write_1(buf, "-")) < 0)
- return r;
- result += r;
- x = -x;
- }
- if ((r = buf_inspect_u8(buf, x)) < 0)
+ result += strlen("quote ");
+ if ((r = buf_inspect_tag_size(quote->tag)) < 0)
return r;
result += r;
return result;
}
-sw buf_inspect_s8_size (s8 x)
-{
- sw result = 0;
- if (x < 0) {
- result += strlen("-");
- x = -x;
- }
- result += buf_inspect_u8_size(x);
- return result;
-}
+DEF_BUF_INSPECT_S(8)
+DEF_BUF_INSPECT_S(16)
+DEF_BUF_INSPECT_S(32)
+DEF_BUF_INSPECT_S(64)
+DEF_BUF_INSPECT_S(w)
-sw buf_inspect_s16 (s_buf *buf, s16 x)
+sw buf_inspect_str (s_buf *buf, const s_str *str)
{
sw r;
- sw r1;
- if (x >= 0)
- return buf_inspect_u16(buf, (u16) x);
- if ((r = buf_write_1(buf, "-")) < 0)
- return r;
- if ((r1 = buf_inspect_u16(buf, (u16) -x)) < 0)
- return r1;
- return r + r1;
-}
-
-sw buf_inspect_s16_size (s16 x)
-{
sw result = 0;
- if (x < 0) {
- result += strlen("-");
- x = -x;
- }
- result += buf_inspect_u16_size(x);
- return result;
-}
-
-sw buf_inspect_s32 (s_buf *buf, s32 x)
-{
- sw r;
- sw r1;
- if (x >= 0)
- return buf_inspect_u32(buf, (u32) x);
- if ((r = buf_write_1(buf, "-")) < 0)
- return r;
- if ((r1 = buf_inspect_u32(buf, (u32) -x)) < 0)
- return r1;
- return r + r1;
-}
-
-sw buf_inspect_s32_size (s32 x)
-{
- sw result = 0;
- if (x < 0) {
- result += strlen("-");
- x = -x;
- }
- result += buf_inspect_u32_size(x);
- return result;
-}
-
-sw buf_inspect_s64 (s_buf *buf, s64 x)
-{
- sw r;
- sw r1;
- if (x >= 0)
- return buf_inspect_u64(buf, (u64) x);
- if ((r = buf_write_1(buf, "-")) < 0)
- return r;
- if ((r1 = buf_inspect_u64(buf, (u64) -x)) < 0)
- return r1;
- return r + r1;
-}
-
-sw buf_inspect_s64_size (s64 x)
-{
- sw result = 0;
- if (x < 0) {
- result += strlen("-");
- x = -x;
- }
- result += buf_inspect_u64_size(x);
- return result;
-}
-
-sw buf_inspect_str (s_buf *buf, const s_str *x)
-{
- sw r;
- sw size;
+ s_buf_save save;
assert(buf);
- assert(x);
- if (str_has_reserved_characters(x))
- return buf_inspect_str_reserved(buf, x);
- size = x->size + 2;
- if ((r = buf_write_u8(buf, '"')) < 0 ||
- (r = buf_write_str(buf, x)) < 0 ||
- (r = buf_write_u8(buf, '"') < 0))
+ assert(str);
+ if (str_has_reserved_characters(str))
+ return buf_inspect_str_reserved(buf, str);
+ buf_save_init(buf, &save);
+ if ((r = buf_write_u8(buf, '"')) < 0)
return r;
- return size;
+ result += r;
+ if ((r = buf_write_str(buf, str)) < 0)
+ goto restore;
+ result += r;
+ if ((r = buf_write_u8(buf, '"')) < 0)
+ goto restore;
+ result += r;
+ r = result;
+ goto clean;
+ restore:
+ buf_save_restore_wpos(buf, &save);
+ clean:
+ buf_save_clean(buf, &save);
+ return r;
}
-sw buf_inspect_str_byte (s_buf *buf, u8 x)
+sw buf_inspect_str_byte (s_buf *buf, const u8 *byte)
{
sw r;
- const sw size = 4;
- if ((r = buf_write_u8(buf, '\\')) < 0 ||
- (r = buf_write_u8(buf, 'x')) < 0 ||
- (r = buf_u8_to_hex(buf, x)) < 0)
+ sw result = 0;
+ s_buf_save save;
+ if ((r = buf_write_u8(buf, '\\')) < 0)
return r;
- return size;
+ result += r;
+ if ((r = buf_write_u8(buf, 'x')) < 0)
+ goto restore;
+ result += r;
+ if ((r = buf_u8_to_hex(buf, *byte)) < 0)
+ goto restore;
+ result += r;
+ r = result;
+ goto clean;
+ restore:
+ buf_save_restore_wpos(buf, &save);
+ clean:
+ buf_save_clean(buf, &save);
+ return r;
}
-sw buf_inspect_str_character (s_buf *buf, character x)
+sw buf_inspect_str_character (s_buf *buf, const character *c)
{
s8 b[4];
s_buf char_buf;
int i;
int j;
sw r;
- sw size;
- size = buf_inspect_str_character_size(x);
- if (size <= 0)
- return size;
- if (! str_character_is_reserved(x))
- return buf_write_character_utf8(buf, x);
- buf_write_u8(buf, '\\');
- switch (x) {
- case '\0': if ((r = buf_write_u8(buf, '0')) < 0) return r; break;
- case '\n': if ((r = buf_write_u8(buf, 'n')) < 0) return r; break;
- case '\r': if ((r = buf_write_u8(buf, 'r')) < 0) return r; break;
- case '\t': if ((r = buf_write_u8(buf, 't')) < 0) return r; break;
- case '\v': if ((r = buf_write_u8(buf, 'v')) < 0) return r; break;
- case '\"': if ((r = buf_write_u8(buf, '"')) < 0) return r; break;
- case '\'': if ((r = buf_write_u8(buf, '\'')) < 0) return r; break;
- case '\\': if ((r = buf_write_u8(buf, '\\')) < 0) return r; break;
+ sw result = 0;
+ s_buf_save save;
+ if (! str_character_is_reserved(*c))
+ return buf_write_character_utf8(buf, *c);
+ buf_save_init(buf, &save);
+ if ((r = buf_write_u8(buf, '\\')) < 0)
+ goto restore;
+ switch (*c) {
+ case '\0': if ((r = buf_write_u8(buf, '0')) < 0) goto restore; break;
+ case '\n': if ((r = buf_write_u8(buf, 'n')) < 0) goto restore; break;
+ case '\r': if ((r = buf_write_u8(buf, 'r')) < 0) goto restore; break;
+ case '\t': if ((r = buf_write_u8(buf, 't')) < 0) goto restore; break;
+ case '\v': if ((r = buf_write_u8(buf, 'v')) < 0) goto restore; break;
+ case '\"': if ((r = buf_write_u8(buf, '"')) < 0) goto restore; break;
+ case '\'': if ((r = buf_write_u8(buf, '\'')) < 0) goto restore; break;
+ case '\\': if ((r = buf_write_u8(buf, '\\')) < 0) goto restore; break;
default:
buf_init(&char_buf, false, sizeof(b), b);
- if ((i = buf_write_character_utf8(&char_buf, x)) < 0)
- return i;
+ if ((r = buf_write_character_utf8(&char_buf, *c)) < 0)
+ goto restore;
+ i = r;
j = 0;
if (i-- > 0) {
if ((r = buf_write_u8(buf, 'x')) < 0)
- return r;
+ goto restore;
if ((r = buf_u8_to_hex(buf, char_buf.ptr.pu8[j++])) < 0)
- return r;
+ goto restore;
while (i--) {
if ((r = buf_write_1(buf, "\\x")) < 0 ||
(r = buf_u8_to_hex(buf, char_buf.ptr.pu8[j++])) < 0)
- return r;
+ goto restore;
}
}
}
- return size;
+ r = result;
+ goto clean;
+ restore:
+ buf_save_restore_wpos(buf, &save);
+ clean:
+ buf_save_clean(buf, &save);
+ return r;
}
-sw buf_inspect_str_character_size (character x)
+sw buf_inspect_str_character_size (const character *c)
{
sw csize;
sw size;
- if (! str_character_is_reserved(x))
- return character_utf8_size(x);
+ if (! str_character_is_reserved(*c))
+ return character_utf8_size(*c);
size = 0;
- switch (x) {
+ switch (*c) {
case '\0':
case '\n':
case '\r':
@@ -992,7 +1115,7 @@ sw buf_inspect_str_character_size (character x)
size += 2;
break;
default:
- csize = character_utf8_size(x);
+ csize = character_utf8_size(*c);
if (csize <= 0)
return -1;
size += csize * 4;
@@ -1001,40 +1124,48 @@ sw buf_inspect_str_character_size (character x)
}
/* XXX keep in sync with buf_inspect_str_reserved_size */
-sw buf_inspect_str_reserved (s_buf *buf, const s_str *x)
+sw buf_inspect_str_reserved (s_buf *buf, const s_str *str)
{
- u8 b;
+ u8 byte;
character c;
sw r;
- sw size;
+ sw result = 0;
s_str s;
- size = buf_inspect_str_reserved_size(x);
- if (size <= 0)
- return size;
+ s_buf_save save;
+ buf_save_init(buf, &save);
if ((r = buf_write_u8(buf, '"')) < 0)
return r;
- str_init_str(&s, x);
- while (1) {
- if ((r = str_read_character_utf8(&s, &c)) > 0) {
- if ((r = buf_inspect_str_character(buf, c)) < 0)
- return r;
+ result += r;
+ str_init_str(&s, str);
+ while (r) {
+ if ((r = str_read_character_utf8(&s, &c)) < 0)
+ goto restore;
+ if (r) {
+ if ((r = buf_inspect_str_character(buf, &c)) < 0)
+ goto restore;
+ result += r;
}
- else if ((r = str_read_u8(&s, &b)) == 1) {
- if ((r = buf_inspect_str_byte(buf, b)) < 0)
- return r;
+ else if ((r = str_read_u8(&s, &byte)) < 0)
+ goto restore;
+ else if (r) {
+ if ((r = buf_inspect_str_byte(buf, &byte)) < 0)
+ goto restore;
+ result += r;
}
- else if (r < 0)
- return r;
- else if (r == 0)
- break;
}
if ((r = buf_write_u8(buf, '"')) < 0)
- return r;
- return size;
+ goto restore;
+ r = result;
+ goto clean;
+ restore:
+ buf_save_restore_wpos(buf, &save);
+ clean:
+ buf_save_clean(buf, &save);
+ return r;
}
/* XXX keep in sync with buf_inspect_str_reserved */
-sw buf_inspect_str_reserved_size (const s_str *x)
+sw buf_inspect_str_reserved_size (const s_str *str)
{
u8 b;
character c;
@@ -1043,10 +1174,10 @@ sw buf_inspect_str_reserved_size (const s_str *x)
s_str s;
sw size;
size = 2 * quote_size;
- str_init_str(&s, x);
+ str_init_str(&s, str);
while (1) {
if ((r = str_read_character_utf8(&s, &c)) > 0)
- size += buf_inspect_str_character_size(c);
+ size += buf_inspect_str_character_size(&c);
else if (r && (r = str_read_u8(&s, &b)) == 1)
size += buf_inspect_str_byte_size;
else if (r < 0)
@@ -1130,38 +1261,39 @@ sw buf_inspect_tag (s_buf *buf, const s_tag *tag)
if (! tag)
return buf_write_1(buf, "NULL");
switch(tag->type.type) {
- case TAG_VOID: return 0;
+ case TAG_VOID: return buf_inspect_void(buf, &tag);
case TAG_ARRAY: return buf_inspect_array(buf, &tag->data.array);
- case TAG_BOOL: return buf_inspect_bool(buf, tag->data.bool);
+ case TAG_BOOL: return buf_inspect_bool(buf, &tag->data.bool);
case TAG_CALL:
case TAG_CALL_FN:
case TAG_CALL_MACRO:
return buf_inspect_call(buf, &tag->data.call);
case TAG_CFN: return buf_inspect_cfn(buf, &tag->data.cfn);
case TAG_CHARACTER:
- return buf_inspect_character(buf, tag->data.character);
- case TAG_F32: return buf_inspect_f32(buf, tag->data.f32);
- case TAG_F64: return buf_inspect_f64(buf, tag->data.f64);
+ return buf_inspect_character(buf, &tag->data.character);
+ case TAG_F32: return buf_inspect_f32(buf, &tag->data.f32);
+ case TAG_F64: return buf_inspect_f64(buf, &tag->data.f64);
case TAG_FN: return buf_inspect_fn(buf, tag->data.fn);
case TAG_IDENT: return buf_inspect_ident(buf, &tag->data.ident);
case TAG_INTEGER: return buf_inspect_integer(buf, &tag->data.integer);
case TAG_LIST: return buf_inspect_list(buf, tag->data.list);
case TAG_PTAG: return buf_inspect_ptag(buf, tag->data.ptag);
case TAG_QUOTE: return buf_inspect_quote(buf, &tag->data.quote);
- case TAG_S8: return buf_inspect_s8(buf, tag->data.s8);
- case TAG_S16: return buf_inspect_s16(buf, tag->data.s16);
- case TAG_S32: return buf_inspect_s32(buf, tag->data.s32);
- case TAG_S64: return buf_inspect_s64(buf, tag->data.s64);
+ case TAG_S8: return buf_inspect_s8(buf, &tag->data.s8);
+ case TAG_S16: return buf_inspect_s16(buf, &tag->data.s16);
+ case TAG_S32: return buf_inspect_s32(buf, &tag->data.s32);
+ case TAG_S64: return buf_inspect_s64(buf, &tag->data.s64);
case TAG_STR: return buf_inspect_str(buf, &tag->data.str);
case TAG_SYM: return buf_inspect_sym(buf, tag->data.sym);
case TAG_TUPLE: return buf_inspect_tuple(buf, &tag->data.tuple);
- case TAG_U8: return buf_inspect_u8(buf, tag->data.u8);
- case TAG_U16: return buf_inspect_u16(buf, tag->data.u16);
- case TAG_U32: return buf_inspect_u32(buf, tag->data.u32);
- case TAG_U64: return buf_inspect_u64(buf, tag->data.u64);
+ case TAG_U8: return buf_inspect_u8(buf, &tag->data.u8);
+ case TAG_U16: return buf_inspect_u16(buf, &tag->data.u16);
+ case TAG_U32: return buf_inspect_u32(buf, &tag->data.u32);
+ case TAG_U64: return buf_inspect_u64(buf, &tag->data.u64);
case TAG_VAR: return buf_inspect_var(buf, tag);
}
- assert(! "unknown tag type");
+ assert(! "buf_inspect_tag: unknown tag type");
+ errx(1, "buf_inspect_tag: unknown tag_type");
return -1;
}
@@ -1169,39 +1301,40 @@ sw buf_inspect_tag_size (const s_tag *tag)
{
assert(tag);
switch(tag->type.type) {
- case TAG_VOID: return 0;
+ case TAG_VOID: return buf_inspect_void_size(tag);
case TAG_ARRAY: return buf_inspect_array_size(&tag->data.array);
- case TAG_BOOL: return buf_inspect_bool_size(tag->data.bool);
+ case TAG_BOOL: return buf_inspect_bool_size(&tag->data.bool);
case TAG_CALL:
case TAG_CALL_FN:
case TAG_CALL_MACRO:
return buf_inspect_call_size(&tag->data.call);
case TAG_CFN: return buf_inspect_cfn_size(&tag->data.cfn);
case TAG_CHARACTER:
- return buf_inspect_character_size(tag->data.character);
- case TAG_F32: return buf_inspect_f32_size(tag->data.f32);
- case TAG_F64: return buf_inspect_f64_size(tag->data.f64);
- case TAG_FN: return BUF_INSPECT_UW_HEX_SIZE;
+ return buf_inspect_character_size(&tag->data.character);
+ case TAG_F32: return buf_inspect_f32_size(&tag->data.f32);
+ case TAG_F64: return buf_inspect_f64_size(&tag->data.f64);
+ case TAG_FN: return buf_inspect_fn_size(tag->data.fn);
case TAG_IDENT: return buf_inspect_ident_size(&tag->data.ident);
case TAG_INTEGER:
return buf_inspect_integer_size(&tag->data.integer);
case TAG_LIST: return buf_inspect_list_size(tag->data.list);
case TAG_PTAG: return buf_inspect_ptag_size(tag->data.ptag);
case TAG_QUOTE: return buf_inspect_quote_size(&tag->data.quote);
- case TAG_S8: return buf_inspect_s8_size(tag->data.s8);
- case TAG_S16: return buf_inspect_s16_size(tag->data.s16);
- case TAG_S32: return buf_inspect_s32_size(tag->data.s32);
- case TAG_S64: return buf_inspect_s64_size(tag->data.s64);
+ case TAG_S8: return buf_inspect_s8_size(&tag->data.s8);
+ case TAG_S16: return buf_inspect_s16_size(&tag->data.s16);
+ case TAG_S32: return buf_inspect_s32_size(&tag->data.s32);
+ case TAG_S64: return buf_inspect_s64_size(&tag->data.s64);
case TAG_STR: return buf_inspect_str_size(&tag->data.str);
case TAG_SYM: return buf_inspect_sym_size(tag->data.sym);
case TAG_TUPLE: return buf_inspect_tuple_size(&tag->data.tuple);
- case TAG_U8: return buf_inspect_u8_size(tag->data.u8);
- case TAG_U16: return buf_inspect_u16_size(tag->data.u16);
- case TAG_U32: return buf_inspect_u32_size(tag->data.u32);
- case TAG_U64: return buf_inspect_u64_size(tag->data.u64);
- case TAG_VAR: return BUF_INSPECT_VAR_SIZE;
+ case TAG_U8: return buf_inspect_u8_size(&tag->data.u8);
+ case TAG_U16: return buf_inspect_u16_size(&tag->data.u16);
+ case TAG_U32: return buf_inspect_u32_size(&tag->data.u32);
+ case TAG_U64: return buf_inspect_u64_size(&tag->data.u64);
+ case TAG_VAR: return buf_inspect_var_size(tag);
}
- assert(! "unknown tag type");
+ assert(! "buf_inspect_tag_size: unknown tag type");
+ errx(1, "buf_inspect_tag_size: unknown tag type");
return -1;
}
@@ -1255,189 +1388,11 @@ sw buf_inspect_tuple_size (const s_tuple *tuple)
return result;
}
-sw buf_inspect_u8 (s_buf *buf, u8 x)
-{
- u8 digit;
- sw i;
- sw r;
- sw size = 0;
- s8 t[3];
- s_buf tmp;
- buf_init(&tmp, false, sizeof(t), t);
- if (x == 0)
- return buf_write_u8(buf, '0');
- while (x > 0) {
- digit = x % 10;
- x /= 10;
- if (buf_write_u8(&tmp, '0' + digit) != 1) {
- return -1;
- }
- size++;
- }
- i = size;
- while (i--)
- if ((r = buf_write_u8(buf, tmp.ptr.pu8[i])) < 0)
- return r;
- return size;
-}
-
-sw buf_inspect_u8_size (u8 x)
-{
- sw size = 0;
- if (x == 0)
- return 1;
- while (x > 0) {
- x /= 10;
- size++;
- }
- return size;
-}
-
-sw buf_inspect_u16 (s_buf *buf, u16 x)
-{
- u8 digit;
- sw i;
- sw r;
- sw size = 0;
- s8 t[5];
- s_buf tmp;
- buf_init(&tmp, false, sizeof(t), t);
- if (x == 0)
- return buf_write_u8(buf, '0');
- while (x > 0) {
- digit = x % 10;
- x /= 10;
- if (buf_write_u8(&tmp, '0' + digit) != 1) {
- return -1;
- }
- size++;
- }
- i = size;
- while (i--)
- if ((r = buf_write_u8(buf, tmp.ptr.pu8[i])) < 0)
- return r;
- return size;
-}
-
-sw buf_inspect_u16_size (u16 x)
-{
- sw size = 0;
- if (x == 0)
- return 1;
- while (x > 0) {
- x /= 10;
- size++;
- }
- return size;
-}
-
-sw buf_inspect_u32 (s_buf *buf, u32 x)
-{
- u8 digit;
- sw i;
- sw r;
- sw size = 0;
- s8 t[10];
- s_buf tmp;
- buf_init(&tmp, false, sizeof(t), t);
- if (x == 0)
- return buf_write_u8(buf, '0');
- while (x > 0) {
- digit = x % 10;
- x /= 10;
- if (buf_write_u8(&tmp, '0' + digit) != 1) {
- return -1;
- }
- size++;
- }
- i = size;
- while (i--)
- if ((r = buf_write_u8(buf, tmp.ptr.pu8[i])) < 0)
- return r;
- return size;
-}
-
-sw buf_inspect_u32_size (u32 x)
-{
- sw size = 0;
- if (x == 0)
- return 1;
- while (x > 0) {
- x /= 10;
- size++;
- }
- return size;
-}
-
-sw buf_inspect_u64 (s_buf *buf, u64 x)
-{
- u8 digit;
- sw i;
- sw r;
- sw size = 0;
- s8 t[20];
- s_buf tmp;
- buf_init(&tmp, false, sizeof(t), t);
- if (x == 0)
- return buf_write_u8(buf, '0');
- while (x > 0) {
- digit = x % 10;
- x /= 10;
- if (buf_write_u8(&tmp, '0' + digit) != 1) {
- return -1;
- }
- size++;
- }
- i = size;
- while (i--)
- if ((r = buf_write_u8(buf, tmp.ptr.pu8[i])) < 0)
- return r;
- return size;
-}
-
-sw buf_inspect_u32_hex (s_buf *buf, u32 i)
-{
- const s8 basis[] = "0123456789ABCDEF";
- uw shift = 32;
- while (shift) {
- shift -= 4;
- buf_write_s8(buf, basis[(i >> shift) & 0xF]);
- }
- return 8;
-}
-
-sw buf_inspect_u64_hex (s_buf *buf, u64 i)
-{
- const s8 basis[] = "0123456789ABCDEF";
- uw shift = 64;
- while (shift) {
- shift -= 4;
- buf_write_s8(buf, basis[(i >> shift) & 0xF]);
- }
- return 16;
-}
-
-sw buf_inspect_u64_size (u64 i)
-{
- sw size = 0;
- if (i == 0)
- return 1;
- while (i > 0) {
- i /= 10;
- size++;
- }
- return size;
-}
-
-sw buf_inspect_uw_hex (s_buf *buf, uw i)
-{
- if (sizeof(uw) == 8)
- return buf_inspect_u64_hex(buf, i);
- if (sizeof(uw) == 4)
- return buf_inspect_u32_hex(buf, i);
- assert(! "unknown word size");
- return -1;
-}
+DEF_BUF_INSPECT_U(8)
+DEF_BUF_INSPECT_U(16)
+DEF_BUF_INSPECT_U(32)
+DEF_BUF_INSPECT_U(64)
+DEF_BUF_INSPECT_U(w)
sw buf_inspect_var (s_buf *buf, const s_tag *var)
{
@@ -1446,7 +1401,7 @@ sw buf_inspect_var (s_buf *buf, const s_tag *var)
if ((r = buf_write_1(buf, "var(0x")) < 0)
return r;
result += r;
- if ((r = buf_inspect_uw_hex(buf, (uw) var)) < 0)
+ if ((r = buf_inspect_uw_hexadecimal(buf, (uw *) &var)) < 0)
return r;
result += r;
if ((r = buf_write_1(buf, ")")) < 0)
@@ -1454,3 +1409,15 @@ sw buf_inspect_var (s_buf *buf, const s_tag *var)
result += r;
return result;
}
+
+sw buf_inspect_void (s_buf *buf, const void *_)
+{
+ sw r;
+ sw result = 0;
+ assert(buf);
+ (void) _;
+ if ((r = buf_write_1(buf, "void")) < 0)
+ return r;
+ result += r;
+ return result;
+}
diff --git a/libc3/buf_inspect.h b/libc3/buf_inspect.h
index d3de832..44711c8 100644
--- a/libc3/buf_inspect.h
+++ b/libc3/buf_inspect.h
@@ -21,16 +21,42 @@
#include "types.h"
-#define BUF_INSPECT_U64_HEX_SIZE 16
-#define BUF_INSPECT_UW_HEX_SIZE (sizeof(uw) / 4)
-#define BUF_INSPECT_VAR_SIZE (BUF_INSPECT_UW_HEX_SIZE + 7)
+#define BUF_INSPECT_S_BASE_PROTOTYPES(bits, base) \
+ sw buf_inspect_s ## bits ## _ ## base (s_buf *buf, \
+ const s ## bits *s); \
+ sw buf_inspect_s ## bits ## _ ## base ## _size (const s ## bits *s)
-typedef sw (* f_buf_inspect) (s_buf *buf, void *x);
+#define BUF_INSPECT_S_PROTOTYPES(bits) \
+ sw buf_inspect_s ## bits (s_buf *buf, const s ## bits *s); \
+ sw buf_inspect_s ## bits ## _size (const s ## bits *s); \
+ BUF_INSPECT_S_BASE_PROTOTYPES(bits, binary); \
+ BUF_INSPECT_S_BASE_PROTOTYPES(bits, hexadecimal); \
+ BUF_INSPECT_S_BASE_PROTOTYPES(bits, octal)
+
+#define BUF_INSPECT_U_BASE_PROTOTYPES(bits, base) \
+ sw buf_inspect_u ## bits ## _ ## base (s_buf *buf, \
+ const u ## bits *s); \
+ sw buf_inspect_u ## bits ## _ ## base ## _size (const u ## bits *s)
+
+#define BUF_INSPECT_U_PROTOTYPES(bits) \
+ sw buf_inspect_u ## bits (s_buf *buf, const u ## bits *u); \
+ sw buf_inspect_u ## bits ## _size (const u ## bits *u); \
+ sw buf_inspect_u ## bits ## _base (s_buf *buf, const s_str *base, \
+ const u ## bits *u); \
+ sw buf_inspect_u ## bits ## _base_size (const s_str *base, \
+ const u ## bits *u); \
+ BUF_INSPECT_U_BASE_PROTOTYPES(bits, binary); \
+ BUF_INSPECT_U_BASE_PROTOTYPES(bits, hexadecimal); \
+ BUF_INSPECT_U_BASE_PROTOTYPES(bits, octal)
+
+typedef sw (* f_buf_inspect) (s_buf *buf, const void *x);
+
+f_buf_inspect buf_inspect (e_tag_type type);
sw buf_inspect_array (s_buf *buf, const s_array *a);
sw buf_inspect_array_size (const s_array *a);
-sw buf_inspect_bool (s_buf *buf, e_bool b);
-sw buf_inspect_bool_size (e_bool b);
+sw buf_inspect_bool (s_buf *buf, const bool *b);
+sw buf_inspect_bool_size (const bool *b);
sw buf_inspect_call (s_buf *buf, const s_call *call);
sw buf_inspect_call_args (s_buf *buf, const s_list *args);
sw buf_inspect_call_op (s_buf *buf, const s_call *call,
@@ -38,14 +64,14 @@ sw buf_inspect_call_op (s_buf *buf, const s_call *call,
sw buf_inspect_call_size (const s_call *call);
sw buf_inspect_cfn (s_buf *buf, const s_cfn *cfn);
sw buf_inspect_cfn_size (const s_cfn *cfn);
-sw buf_inspect_character (s_buf *buf, character c);
-sw buf_inspect_character_size (character c);
+sw buf_inspect_character (s_buf *buf, const character *c);
+sw buf_inspect_character_size (const character *c);
sw buf_inspect_error_handler (s_buf *buf,
const s_error_handler *error_handler);
-sw buf_inspect_f32 (s_buf *buf, f32 x);
-sw buf_inspect_f32_size (f32 x);
-sw buf_inspect_f64 (s_buf *buf, f64 x);
-sw buf_inspect_f64_size (f64 x);
+sw buf_inspect_f32 (s_buf *buf, const f32 *x);
+sw buf_inspect_f32_size (const f32 *x);
+sw buf_inspect_f64 (s_buf *buf, const f64 *x);
+sw buf_inspect_f64_size (const f64 *x);
sw buf_inspect_fact (s_buf *buf, const s_fact *fact);
sw buf_inspect_fact_size (const s_fact *fact);
sw buf_inspect_fact_spec (s_buf *buf, p_facts_spec spec);
@@ -64,37 +90,29 @@ sw buf_inspect_ptag (s_buf *buf, p_tag ptag);
sw buf_inspect_ptag_size (p_tag ptag);
sw buf_inspect_quote (s_buf *buf, const s_quote *quote);
sw buf_inspect_quote_size (const s_quote *quote);
-sw buf_inspect_s8 (s_buf *buf, s8 i);
-sw buf_inspect_s8_size (s8 i);
-sw buf_inspect_s16 (s_buf *buf, s16 i);
-sw buf_inspect_s16_size (s16 i);
-sw buf_inspect_s32 (s_buf *buf, s32 i);
-sw buf_inspect_s32_size (s32 i);
-sw buf_inspect_s64 (s_buf *buf, s64 i);
-sw buf_inspect_s64_size (s64 i);
+BUF_INSPECT_S_PROTOTYPES(8);
+BUF_INSPECT_S_PROTOTYPES(16);
+BUF_INSPECT_S_PROTOTYPES(32);
+BUF_INSPECT_S_PROTOTYPES(64);
+BUF_INSPECT_S_PROTOTYPES(w);
sw buf_inspect_str (s_buf *buf, const s_str *str);
sw buf_inspect_str_size (const s_str *str);
-sw buf_inspect_str_character (s_buf *buf, character c);
-sw buf_inspect_str_character_size (character c);
+sw buf_inspect_str_character (s_buf *buf, const character *c);
+sw buf_inspect_str_character_size (const character *c);
sw buf_inspect_sym (s_buf *buf, const s_sym *sym);
sw buf_inspect_sym_size (const s_sym *sym);
sw buf_inspect_tag (s_buf *buf, const s_tag *tag);
sw buf_inspect_tag_size (const s_tag *tag);
sw buf_inspect_tuple (s_buf *buf, const s_tuple *tuple);
sw buf_inspect_tuple_size (const s_tuple *tuple);
-sw buf_inspect_u8 (s_buf *buf, u8 i);
-sw buf_inspect_u8_size (u8 i);
-sw buf_inspect_u16 (s_buf *buf, u16 i);
-sw buf_inspect_u16_size (u16 i);
-sw buf_inspect_u32 (s_buf *buf, u32 i);
-sw buf_inspect_u32_size (u32 i);
-sw buf_inspect_u32_hex (s_buf *buf, u32 i);
-sw buf_inspect_u32_hex_size (u32 i);
-sw buf_inspect_u64_hex (s_buf *buf, u64 i);
-sw buf_inspect_u64_hex_size (u64 i);
-sw buf_inspect_u64 (s_buf *buf, u64 i);
-sw buf_inspect_u64_size (u64 i);
-sw buf_inspect_uw_hex (s_buf *buf, uw i);
+BUF_INSPECT_U_PROTOTYPES(8);
+BUF_INSPECT_U_PROTOTYPES(16);
+BUF_INSPECT_U_PROTOTYPES(32);
+BUF_INSPECT_U_PROTOTYPES(64);
+BUF_INSPECT_U_PROTOTYPES(w);
sw buf_inspect_var (s_buf *buf, const s_tag *var);
+sw buf_inspect_var_size (const s_tag *var);
+sw buf_inspect_void (s_buf *buf, const void *_);
+sw buf_inspect_void_size (const void *_);
#endif /* BUF_INSPECT_H */
diff --git a/libc3/c3.c b/libc3/c3.c
index 00c1941..932f5e2 100644
--- a/libc3/c3.c
+++ b/libc3/c3.c
@@ -16,11 +16,12 @@
#include <stdlib.h>
#include "c3.h"
-const s_str g_c3_base_bin = {{NULL}, 2, {"01"}};
-const s_str g_c3_base_oct = {{NULL}, 8, {"01234567"}};
-const s_str g_c3_base_dec = {{NULL}, 10, {"0123456789"}};
-const s_str g_c3_bases_hex[2] = {{{NULL}, 16, {"0123456789abcdef"}},
- {{NULL}, 16, {"0123456789ABCDEF"}}};
+const s_str g_c3_base_binary = {{NULL}, 2, {"01"}};
+const s_str g_c3_base_octal = {{NULL}, 8, {"01234567"}};
+const s_str g_c3_base_decimal = {{NULL}, 10, {"0123456789"}};
+const s_str g_c3_base_hexadecimal = {{NULL}, 16, {"0123456789abcdef"}};
+const s_str g_c3_bases_hexadecimal[2] = {{{NULL}, 16, {"0123456789abcdef"}},
+ {{NULL}, 16, {"0123456789ABCDEF"}}};
void c3_break ()
{
diff --git a/libc3/c3.h b/libc3/c3.h
index 5f3a97f..0aecb13 100644
--- a/libc3/c3.h
+++ b/libc3/c3.h
@@ -50,10 +50,11 @@
#define C3_EXT ".c3"
-extern const s_str g_c3_base_bin;
-extern const s_str g_c3_base_oct;
-extern const s_str g_c3_base_dec;
-extern const s_str g_c3_bases_hex[2];
+extern const s_str g_c3_base_binary;
+extern const s_str g_c3_base_octal;
+extern const s_str g_c3_base_decimal;
+extern const s_str g_c3_base_hexadecimal;
+extern const s_str g_c3_bases_hexadecimal[2];
/* stack-allocation compatible functions */
void c3_init (s_env *env);
diff --git a/libc3/str.c b/libc3/str.c
index a476623..26b7da6 100644
--- a/libc3/str.c
+++ b/libc3/str.c
@@ -23,6 +23,21 @@
#include "str.h"
#include "sym.h"
+sw str_character (const s_str *str, uw position, character *dest)
+{
+ character c;
+ uw i = 0;
+ s_str s;
+ s = *str;
+ while (s->size && i <= position) {
+ if ((r = str_read_character_utf8(&s, &c)) <= 0)
+ return -1;
+ i++;
+ }
+ *dest = c;
+ return r;
+}
+
e_bool str_character_is_reserved (character c)
{
return ! character_is_printable(c) ||
diff --git a/libc3/str.h b/libc3/str.h
index 5196589..4a94d23 100644
--- a/libc3/str.h
+++ b/libc3/str.h
@@ -51,6 +51,9 @@ s_str * str_new_vf (const char *fmt, va_list ap);
void str_delete (s_str *str);
/* Observers */
+
+sw str_character (const s_str *str, uw position,
+ character *dest);
character str_character_escape (character c);
e_bool str_character_is_reserved (character c);
sw str_character_position (const s_str *str, character c);