Commit 7a46bd4200e0fb7045b5dbf60bbe5b943dcad8fa
2023-07-10T15:32:46
wip buf_parse_array
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diff --git a/libc3/buf_parse.c b/libc3/buf_parse.c
index 373fd50..853e892 100644
--- a/libc3/buf_parse.c
+++ b/libc3/buf_parse.c
@@ -17,14 +17,20 @@
#include "../libtommath/tommath.h"
#include "c3.h"
+sw buf_parse_array_data_rec (s_buf *buf, s_array *dest,
+ uw dimension, uw *address,
+ f_buf_parse parse, u8 **data);
sw buf_parse_array_dimensions_rec (s_buf *buf, s_array *dest,
uw dimension, uw *address,
f_buf_parse parse, void *data);
sw buf_parse_cfn_arg_types (s_buf *buf, s_list **dest);
-sw buf_parse_array_dimension_count (s_buf *buf, s_array *dest)
+sw buf_parse_array_data (s_buf *buf, s_array *dest)
{
- sw r = 1;
+ uw *address;
+ u8 *data;
+ f_buf_parse parse;
+ sw r;
sw result = 0;
s_buf_save save;
s_array tmp;
@@ -32,49 +38,51 @@ sw buf_parse_array_dimension_count (s_buf *buf, s_array *dest)
assert(dest);
tmp = *dest;
buf_save_init(buf, &save);
- tmp.dimensions = 0;
- if ((r = buf_read_1(buf, "[")) <= 0)
- goto clean;
- result += r;
- if ((r = buf_ignore_spaces(buf)) < 0)
- goto restore;
- result += r;
- while ((r = buf_read_1(buf, "[")) > 0) {
- result += r;
- tmp.dimensions++;
- if ((r = buf_ignore_spaces(buf)) < 0)
- goto restore;
- result += r;
+ if (! (address = calloc(tmp.dimension, sizeof(sw)))) {
+ err(1, "buf_parse_array_data: address: %lu %lu",
+ tmp.dimension, sizeof(sw));
+ return -1;
}
+ parse = tag_type_to_buf_parse(tmp.type);
+ if (! (tmp.data = calloc(tmp.dimensions[0].count,
+ tmp.dimensions[0].item_size))) {
+ err(1, "buf_parse_array_data: data");
+ return -1;
+ }
+ data = tmp.data;
+ if ((r = buf_parse_array_data_rec(buf, &tmp,
+ tmp.dimension - 1,
+ address, parse, &data)) <= 0)
+ goto clean;
r = result;
*dest = tmp;
- goto clean;
- restore:
- buf_save_restore_rpos(buf, &save);
clean:
+ buf_save_restore_rpos(buf, &save);
buf_save_clean(buf, &save);
return r;
}
-sw buf_parse_array_dimensions_rec (s_buf *buf, s_array *dest,
- uw dimension, uw *address,
- f_buf_parse parse, void *data)
+sw buf_parse_array_data_rec (s_buf *buf, s_array *dest,
+ uw dimension, uw *address,
+ f_buf_parse parse, u8 **data)
{
+ uw item_size;
sw r = 0;
sw result = 0;
s_buf_save save;
s_array tmp;
assert(buf);
assert(dest);
- assert(dimension);
assert(address);
tmp = *dest;
+ item_size = tag_type_size(tmp.type);
buf_save_init(buf, &save);
start:
if (dimension == dest->dimension - 1) {
- if ((r = parse(buf, data)) < 0)
+ if ((r = parse(buf, *data)) < 0)
goto clean;
result += r;
+ *data += item_size;
goto ok;
}
if ((r = buf_read_1(buf, "[")) < 0)
@@ -83,28 +91,22 @@ sw buf_parse_array_dimensions_rec (s_buf *buf, s_array *dest,
result += r;
dimension++;
address[dimension] = 0;
- if ((r = buf_parse_array_dimensions_rec(buf, &tmp, dimension,
- address, parse,
- data)) <= 0)
+ if ((r = buf_parse_array_data_rec(buf, &tmp, dimension,
+ address, parse,
+ data)) <= 0)
goto clean;
result += r;
goto ok;
}
- if (! dimension)
- goto ok;
if ((r = buf_read_1(buf, "]")) < 0)
goto clean;
if (r) {
result += r;
dimension--;
- if (! tmp.dimensions[dimension].count) {
- tmp.dimensions[dimension].count = address[dimension];
- tmp.dimensions[dimension].item_size = tmp.dimensions[dimension + 1].count * tmp.dimensions[dimension + 1].item_size;
- }
- else if (tmp.dimensions[dimension].count != address[dimension]) {
+ if (tmp.dimensions[dimension].count != address[dimension]) {
assert(! "buf_parse_array_dimensions_rec: dimension mismatch");
errx(1, "buf_parse_array_dimensions_rec: dimension mismatch"
- ": %lu", dimension);
+ ": %lu", dimension);
r = -1;
goto clean;
}
@@ -114,7 +116,8 @@ sw buf_parse_array_dimensions_rec (s_buf *buf, s_array *dest,
goto clean;
result += r;
address[dimension]++;
- goto start;
+ if (dimension)
+ goto start;
ok:
r = result;
goto clean;
@@ -123,6 +126,41 @@ sw buf_parse_array_dimensions_rec (s_buf *buf, s_array *dest,
return r;
}
+sw buf_parse_array_dimension_count (s_buf *buf, s_array *dest)
+{
+ sw r = 1;
+ sw result = 0;
+ s_buf_save save;
+ s_array tmp;
+ assert(buf);
+ assert(dest);
+ tmp = *dest;
+ buf_save_init(buf, &save);
+ if ((r = buf_read_1(buf, "[")) <= 0)
+ goto clean;
+ result += r;
+ tmp.dimension = 1;
+ if ((r = buf_ignore_spaces(buf)) < 0)
+ goto restore;
+ result += r;
+ while ((r = buf_read_1(buf, "[")) > 0) {
+ result += r;
+ tmp.dimension++;
+ if ((r = buf_ignore_spaces(buf)) < 0)
+ goto restore;
+ result += r;
+ }
+ r = result;
+ tmp.dimensions = calloc(tmp.dimension, sizeof(s_array_dimension));
+ *dest = tmp;
+ goto clean;
+ restore:
+ buf_save_restore_rpos(buf, &save);
+ clean:
+ buf_save_clean(buf, &save);
+ return r;
+}
+
sw buf_parse_array_dimensions (s_buf *buf, s_array *dest)
{
uw *address;
@@ -138,29 +176,86 @@ sw buf_parse_array_dimensions (s_buf *buf, s_array *dest)
buf_save_init(buf, &save);
tmp = *dest;
address = calloc(tmp.dimension, sizeof(sw));
- tmp.dimensions = calloc(tmp.dimension, sizeof(s_array_dimension));
size = tag_type_size(tmp.type);
parse = tag_type_to_buf_parse(tmp.type);
data = calloc(1, size);
tmp.dimensions[tmp.dimension - 1].item_size = size;
if ((r = buf_parse_array_dimensions_rec(buf, dest,
- dest->dimension - 1,
+ tmp.dimension - 1,
address, parse, data)) <= 0)
goto clean;
r = result;
*dest = tmp;
clean:
buf_save_restore_rpos(buf, &save);
+ buf_save_clean(buf, &save);
return r;
}
-sw buf_peek_array_dimensions (s_buf *buf, s_array *dest)
+sw buf_parse_array_dimensions_rec (s_buf *buf, s_array *dest,
+ uw dimension, uw *address,
+ f_buf_parse parse, void *data)
{
- sw r;
+ sw r = 0;
+ sw result = 0;
s_buf_save save;
+ s_array tmp;
+ assert(buf);
+ assert(dest);
+ assert(address);
+ tmp = *dest;
buf_save_init(buf, &save);
- r = buf_parse_array_dimensions(buf, dest);
- buf_save_restore_rpos(buf, &save);
+ start:
+ if (dimension == dest->dimension - 1) {
+ if ((r = parse(buf, data)) < 0)
+ goto clean;
+ result += r;
+ goto ok;
+ }
+ if ((r = buf_read_1(buf, "[")) < 0)
+ goto clean;
+ if (r) {
+ result += r;
+ dimension++;
+ address[dimension] = 0;
+ if ((r = buf_parse_array_dimensions_rec(buf, &tmp, dimension,
+ address, parse,
+ data)) <= 0)
+ goto clean;
+ result += r;
+ goto ok;
+ }
+ if (! dimension)
+ goto ok;
+ if ((r = buf_read_1(buf, "]")) < 0)
+ goto clean;
+ if (r) {
+ result += r;
+ dimension--;
+ if (! tmp.dimensions[dimension].count) {
+ tmp.dimensions[dimension].count = address[dimension];
+ tmp.dimensions[dimension].item_size = tmp.dimensions[dimension + 1].count * tmp.dimensions[dimension + 1].item_size;
+ }
+ else if (tmp.dimensions[dimension].count != address[dimension]) {
+ assert(! "buf_parse_array_dimensions_rec: dimension mismatch");
+ errx(1, "buf_parse_array_dimensions_rec: dimension mismatch"
+ ": %lu", dimension);
+ r = -1;
+ goto clean;
+ }
+ goto ok;
+ }
+ if ((r = buf_read_1(buf, ",")) <= 0)
+ goto clean;
+ result += r;
+ address[dimension]++;
+ if (dimension)
+ goto start;
+ ok:
+ r = result;
+ goto clean;
+ clean:
+ buf_save_clean(buf, &save);
return r;
}
@@ -213,6 +308,8 @@ sw buf_parse_array (s_buf *buf, s_array *dest)
if ((r = buf_parse_array_type(buf, &tmp)) <= 0)
goto clean;
result += r;
+ if ((r = buf_parse_array_dimension_count(buf, &tmp)) <= 0)
+ goto restore;
if ((r = buf_peek_array_dimensions(buf, &tmp)) < 0)
goto restore;
if ((r = buf_parse_array_data(buf, &tmp)) < 0)
@@ -2327,3 +2424,13 @@ sw buf_parse_f64 (s_buf *buf, f64 *dest) {
buf_save_clean(buf, &save);
return r;
}
+
+sw buf_peek_array_dimensions (s_buf *buf, s_array *dest)
+{
+ sw r;
+ s_buf_save save;
+ buf_save_init(buf, &save);
+ r = buf_parse_array_dimensions(buf, dest);
+ buf_save_restore_rpos(buf, &save);
+ return r;
+}