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Tagged union to Rust enum (yaml_node_t)

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This commit is contained in:
Simon Ask Ulsnes 2024-01-27 10:18:18 +01:00
parent 293870fedf
commit 82363fd251
6 changed files with 263 additions and 331 deletions
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151
src/api.rs
View file

@ -1,13 +1,12 @@
use crate::externs::{free, malloc, memcpy, memmove, memset, realloc, strdup, strlen};
use crate::ops::{ForceAdd as _, ForceMul as _};
use crate::yaml::{size_t, yaml_char_t, YamlEventData, YamlTokenData};
use crate::yaml::{size_t, yaml_char_t, YamlEventData, YamlNodeData, YamlTokenData};
use crate::{
libc, yaml_break_t, yaml_document_t, yaml_emitter_state_t, yaml_emitter_t, yaml_encoding_t,
yaml_event_t, yaml_mapping_style_t, yaml_mark_t, yaml_node_item_t, yaml_node_pair_t,
yaml_node_t, yaml_parser_state_t, yaml_parser_t, yaml_read_handler_t, yaml_scalar_style_t,
yaml_sequence_style_t, yaml_simple_key_t, yaml_tag_directive_t, yaml_token_t,
yaml_sequence_style_t, yaml_simple_key_t, yaml_stack_t, yaml_tag_directive_t, yaml_token_t,
yaml_version_directive_t, yaml_write_handler_t, PointerExt, YAML_ANY_ENCODING,
YAML_MAPPING_NODE, YAML_SCALAR_NODE, YAML_SEQUENCE_NODE,
};
use core::mem::{size_of, MaybeUninit};
use core::ptr::{self, addr_of_mut};
@ -1090,18 +1089,18 @@ pub unsafe fn yaml_document_delete(document: &mut yaml_document_t) {
while !STACK_EMPTY!(document.nodes) {
let mut node = POP!(document.nodes);
yaml_free(node.tag as *mut libc::c_void);
match node.type_ {
YAML_SCALAR_NODE => {
yaml_free(node.data.scalar.value as *mut libc::c_void);
match node.data {
YamlNodeData::NoNode => {
assert!(false);
}
YAML_SEQUENCE_NODE => {
STACK_DEL!(node.data.sequence.items);
YamlNodeData::Scalar { ref value, .. } => {
yaml_free(*value as *mut libc::c_void);
}
YAML_MAPPING_NODE => {
STACK_DEL!(node.data.mapping.pairs);
YamlNodeData::Sequence { ref mut items, .. } => {
STACK_DEL!(items);
}
_ => {
__assert!(false);
YamlNodeData::Mapping { ref mut pairs, .. } => {
STACK_DEL!(pairs);
}
}
}
@ -1174,8 +1173,6 @@ pub unsafe fn yaml_document_add_scalar(
};
let mut tag_copy: *mut yaml_char_t = ptr::null_mut::<yaml_char_t>();
let mut value_copy: *mut yaml_char_t = ptr::null_mut::<yaml_char_t>();
let mut node = MaybeUninit::<yaml_node_t>::uninit();
let node = node.as_mut_ptr();
__assert!(!value.is_null());
if tag.is_null() {
tag = b"tag:yaml.org,2002:str\0" as *const u8 as *const libc::c_char as *mut yaml_char_t;
@ -1194,19 +1191,17 @@ pub unsafe fn yaml_document_add_scalar(
length as libc::c_ulong,
);
*value_copy.wrapping_offset(length as isize) = b'\0';
memset(
node as *mut libc::c_void,
0,
size_of::<yaml_node_t>() as libc::c_ulong,
);
(*node).type_ = YAML_SCALAR_NODE;
(*node).tag = tag_copy;
(*node).start_mark = mark;
(*node).end_mark = mark;
(*node).data.scalar.value = value_copy;
(*node).data.scalar.length = length as size_t;
(*node).data.scalar.style = style;
PUSH!(document.nodes, *node);
let node = yaml_node_t {
data: YamlNodeData::Scalar {
value: value_copy,
length: length as size_t,
style: style,
},
tag: tag_copy,
start_mark: mark,
end_mark: mark,
};
PUSH!(document.nodes, node);
return document.nodes.top.c_offset_from(document.nodes.start) as libc::c_int;
}
}
@ -1243,8 +1238,6 @@ pub unsafe fn yaml_document_add_sequence(
end: ptr::null_mut::<yaml_node_item_t>(),
top: ptr::null_mut::<yaml_node_item_t>(),
};
let mut node = MaybeUninit::<yaml_node_t>::uninit();
let node = node.as_mut_ptr();
if tag.is_null() {
tag = b"tag:yaml.org,2002:seq\0" as *const u8 as *const libc::c_char as *mut yaml_char_t;
}
@ -1252,20 +1245,20 @@ pub unsafe fn yaml_document_add_sequence(
tag_copy = yaml_strdup(tag);
if !tag_copy.is_null() {
STACK_INIT!(items, yaml_node_item_t);
memset(
node as *mut libc::c_void,
0,
size_of::<yaml_node_t>() as libc::c_ulong,
);
(*node).type_ = YAML_SEQUENCE_NODE;
(*node).tag = tag_copy;
(*node).start_mark = mark;
(*node).end_mark = mark;
(*node).data.sequence.items.start = items.start;
(*node).data.sequence.items.end = items.end;
(*node).data.sequence.items.top = items.start;
(*node).data.sequence.style = style;
PUSH!(document.nodes, *node);
let node = yaml_node_t {
data: YamlNodeData::Sequence {
items: yaml_stack_t {
start: items.start,
end: items.end,
top: items.start,
},
style,
},
tag: tag_copy,
start_mark: mark,
end_mark: mark,
};
PUSH!(document.nodes, node);
return document.nodes.top.c_offset_from(document.nodes.start) as libc::c_int;
}
}
@ -1301,8 +1294,6 @@ pub unsafe fn yaml_document_add_mapping(
end: ptr::null_mut::<yaml_node_pair_t>(),
top: ptr::null_mut::<yaml_node_pair_t>(),
};
let mut node = MaybeUninit::<yaml_node_t>::uninit();
let node = node.as_mut_ptr();
if tag.is_null() {
tag = b"tag:yaml.org,2002:map\0" as *const u8 as *const libc::c_char as *mut yaml_char_t;
}
@ -1310,20 +1301,22 @@ pub unsafe fn yaml_document_add_mapping(
tag_copy = yaml_strdup(tag);
if !tag_copy.is_null() {
STACK_INIT!(pairs, yaml_node_pair_t);
memset(
node as *mut libc::c_void,
0,
size_of::<yaml_node_t>() as libc::c_ulong,
);
(*node).type_ = YAML_MAPPING_NODE;
(*node).tag = tag_copy;
(*node).start_mark = mark;
(*node).end_mark = mark;
(*node).data.mapping.pairs.start = pairs.start;
(*node).data.mapping.pairs.end = pairs.end;
(*node).data.mapping.pairs.top = pairs.start;
(*node).data.mapping.style = style;
PUSH!(document.nodes, *node);
let node = yaml_node_t {
data: YamlNodeData::Mapping {
pairs: yaml_stack_t {
start: pairs.start,
end: pairs.end,
top: pairs.start,
},
style,
},
tag: tag_copy,
start_mark: mark,
end_mark: mark,
};
PUSH!(document.nodes, node);
return document.nodes.top.c_offset_from(document.nodes.start) as libc::c_int;
}
}
@ -1342,20 +1335,18 @@ pub unsafe fn yaml_document_append_sequence_item(
sequence > 0
&& (document.nodes.start).wrapping_offset(sequence as isize) <= document.nodes.top
);
__assert!(
(*(document.nodes.start).wrapping_offset((sequence - 1) as isize)).type_
== YAML_SEQUENCE_NODE
);
__assert!(matches!(
(*(document.nodes.start).wrapping_offset((sequence - 1) as isize)).data,
YamlNodeData::Sequence { .. }
));
__assert!(
item > 0 && (document.nodes.start).wrapping_offset(item as isize) <= document.nodes.top
);
PUSH!(
(*(document.nodes.start).wrapping_offset((sequence - 1) as isize))
.data
.sequence
.items,
item
);
if let YamlNodeData::Sequence { ref mut items, .. } =
(*(document.nodes.start).wrapping_offset((sequence - 1) as isize)).data
{
PUSH!(*items, item);
}
Ok(())
}
@ -1370,10 +1361,10 @@ pub unsafe fn yaml_document_append_mapping_pair(
mapping > 0
&& (document.nodes.start).wrapping_offset(mapping as isize) <= document.nodes.top
);
__assert!(
(*(document.nodes.start).wrapping_offset((mapping - 1) as isize)).type_
== YAML_MAPPING_NODE
);
__assert!(matches!(
(*(document.nodes.start).wrapping_offset((mapping - 1) as isize)).data,
YamlNodeData::Mapping { .. }
));
__assert!(
key > 0 && (document.nodes.start).wrapping_offset(key as isize) <= document.nodes.top
);
@ -1381,12 +1372,10 @@ pub unsafe fn yaml_document_append_mapping_pair(
value > 0 && (document.nodes.start).wrapping_offset(value as isize) <= document.nodes.top
);
let pair = yaml_node_pair_t { key, value };
PUSH!(
(*(document.nodes.start).wrapping_offset((mapping - 1) as isize))
.data
.mapping
.pairs,
pair
);
if let YamlNodeData::Mapping { ref mut pairs, .. } =
(*(document.nodes.start).wrapping_offset((mapping - 1) as isize)).data
{
PUSH!(*pairs, pair);
}
Ok(())
}

84
src/dumper.rs
View file

@ -4,8 +4,7 @@ use crate::fmt::WriteToPtr;
use crate::ops::ForceMul as _;
use crate::yaml::{
yaml_anchors_t, yaml_char_t, yaml_document_t, yaml_emitter_t, yaml_event_t, yaml_node_item_t,
yaml_node_pair_t, yaml_node_t, YamlEventData, YAML_ANY_ENCODING, YAML_MAPPING_NODE,
YAML_SCALAR_NODE, YAML_SEQUENCE_NODE,
yaml_node_pair_t, yaml_node_t, YamlEventData, YamlNodeData, YAML_ANY_ENCODING,
};
use crate::{libc, yaml_document_delete, yaml_emitter_emit, PointerExt};
use core::mem::size_of;
@ -133,21 +132,21 @@ unsafe fn yaml_emitter_delete_document_and_anchors(emitter: &mut yaml_emitter_t)
.wrapping_offset(index as isize)
< (*emitter.document).nodes.top
{
let mut node: yaml_node_t = *(*emitter.document)
let node: *mut yaml_node_t = (*emitter.document)
.nodes
.start
.wrapping_offset(index as isize);
if !(*emitter.anchors.wrapping_offset(index as isize)).serialized {
yaml_free(node.tag as *mut libc::c_void);
if node.type_ == YAML_SCALAR_NODE {
yaml_free(node.data.scalar.value as *mut libc::c_void);
yaml_free((*node).tag as *mut libc::c_void);
if let YamlNodeData::Scalar { value, .. } = &(*node).data {
yaml_free(*value as *mut libc::c_void);
}
}
if node.type_ == YAML_SEQUENCE_NODE {
STACK_DEL!(node.data.sequence.items);
if let YamlNodeData::Sequence { ref mut items, .. } = (*node).data {
STACK_DEL!(*items);
}
if node.type_ == YAML_MAPPING_NODE {
STACK_DEL!(node.data.mapping.pairs);
if let YamlNodeData::Mapping { ref mut pairs, .. } = (*node).data {
STACK_DEL!(*pairs);
}
index += 1;
}
@ -178,17 +177,17 @@ unsafe fn yaml_emitter_anchor_node(emitter: &mut yaml_emitter_t, index: libc::c_
addr_of_mut!((*(emitter.anchors).wrapping_offset((index - 1) as isize)).references);
*fresh8 += 1;
if (*emitter.anchors.wrapping_offset((index - 1) as isize)).references == 1 {
match (*node).type_ {
YAML_SEQUENCE_NODE => {
item = (*node).data.sequence.items.start;
while item < (*node).data.sequence.items.top {
match &(*node).data {
YamlNodeData::Sequence { items, .. } => {
item = items.start;
while item < items.top {
yaml_emitter_anchor_node_sub(emitter, *item);
item = item.wrapping_offset(1);
}
}
YAML_MAPPING_NODE => {
pair = (*node).data.mapping.pairs.start;
while pair < (*node).data.mapping.pairs.top {
YamlNodeData::Mapping { pairs, .. } => {
pair = pairs.start;
while pair < pairs.top {
yaml_emitter_anchor_node_sub(emitter, (*pair).key);
yaml_emitter_anchor_node_sub(emitter, (*pair).value);
pair = pair.wrapping_offset(1);
@ -197,9 +196,8 @@ unsafe fn yaml_emitter_anchor_node(emitter: &mut yaml_emitter_t, index: libc::c_
_ => {}
}
} else if (*emitter.anchors.wrapping_offset((index - 1) as isize)).references == 2 {
let fresh9 = &mut emitter.last_anchor_id;
*fresh9 += 1;
(*emitter.anchors.wrapping_offset((index - 1) as isize)).anchor = *fresh9;
emitter.last_anchor_id += 1;
(*emitter.anchors.wrapping_offset((index - 1) as isize)).anchor = emitter.last_anchor_id;
}
}
@ -230,10 +228,10 @@ unsafe fn yaml_emitter_dump_node(
return yaml_emitter_dump_alias(emitter, anchor);
}
(*emitter.anchors.wrapping_offset((index - 1) as isize)).serialized = true;
match (*node).type_ {
YAML_SCALAR_NODE => yaml_emitter_dump_scalar(emitter, node, anchor),
YAML_SEQUENCE_NODE => yaml_emitter_dump_sequence(emitter, node, anchor),
YAML_MAPPING_NODE => yaml_emitter_dump_mapping(emitter, node, anchor),
match (*node).data {
YamlNodeData::Scalar { .. } => yaml_emitter_dump_scalar(emitter, node, anchor),
YamlNodeData::Sequence { .. } => yaml_emitter_dump_sequence(emitter, node, anchor),
YamlNodeData::Mapping { .. } => yaml_emitter_dump_mapping(emitter, node, anchor),
_ => __assert!(false),
}
}
@ -251,7 +249,7 @@ unsafe fn yaml_emitter_dump_alias(
unsafe fn yaml_emitter_dump_scalar(
emitter: &mut yaml_emitter_t,
node: *mut yaml_node_t,
node: *mut yaml_node_t, // TODO: take by value
anchor: *mut yaml_char_t,
) -> Result<(), ()> {
let plain_implicit = strcmp(
@ -263,20 +261,28 @@ unsafe fn yaml_emitter_dump_scalar(
b"tag:yaml.org,2002:str\0" as *const u8 as *const libc::c_char,
) == 0;
if let YamlNodeData::Scalar {
value,
length,
style,
} = &(*node).data
{
let event = yaml_event_t {
data: YamlEventData::Scalar {
anchor,
tag: (*node).tag,
value: (*node).data.scalar.value,
length: (*node).data.scalar.length,
value: *value,
length: *length,
plain_implicit,
quoted_implicit,
style: (*node).data.scalar.style,
style: *style,
},
..Default::default()
};
yaml_emitter_emit(emitter, &event)
} else {
unreachable!()
}
}
unsafe fn yaml_emitter_dump_sequence(
@ -290,19 +296,20 @@ unsafe fn yaml_emitter_dump_sequence(
) == 0;
let mut item: *mut yaml_node_item_t;
if let YamlNodeData::Sequence { items, style } = &(*node).data {
let event = yaml_event_t {
data: YamlEventData::SequenceStart {
anchor,
tag: (*node).tag,
implicit,
style: (*node).data.sequence.style,
style: *style,
},
..Default::default()
};
yaml_emitter_emit(emitter, &event)?;
item = (*node).data.sequence.items.start;
while item < (*node).data.sequence.items.top {
item = items.start;
while item < items.top {
yaml_emitter_dump_node(emitter, *item)?;
item = item.wrapping_offset(1);
}
@ -311,6 +318,9 @@ unsafe fn yaml_emitter_dump_sequence(
..Default::default()
};
yaml_emitter_emit(emitter, &event)
} else {
unreachable!()
}
}
unsafe fn yaml_emitter_dump_mapping(
@ -324,19 +334,20 @@ unsafe fn yaml_emitter_dump_mapping(
) == 0;
let mut pair: *mut yaml_node_pair_t;
if let YamlNodeData::Mapping { pairs, style } = &(*node).data {
let event = yaml_event_t {
data: YamlEventData::MappingStart {
anchor,
tag: (*node).tag,
implicit,
style: (*node).data.mapping.style,
style: *style,
},
..Default::default()
};
yaml_emitter_emit(emitter, &event)?;
pair = (*node).data.mapping.pairs.start;
while pair < (*node).data.mapping.pairs.top {
pair = pairs.start;
while pair < pairs.top {
yaml_emitter_dump_node(emitter, (*pair).key)?;
yaml_emitter_dump_node(emitter, (*pair).value)?;
pair = pair.wrapping_offset(1);
@ -346,4 +357,7 @@ unsafe fn yaml_emitter_dump_mapping(
..Default::default()
};
yaml_emitter_emit(emitter, &event)
} else {
unreachable!()
}
}

10
src/lib.rs
View file

@ -310,14 +310,14 @@ pub use crate::writer::yaml_emitter_flush;
pub use crate::yaml::{
yaml_alias_data_t, yaml_break_t, yaml_document_t, yaml_emitter_state_t, yaml_emitter_t,
yaml_encoding_t, yaml_error_type_t, yaml_event_t, yaml_mapping_style_t, yaml_mark_t,
yaml_node_item_t, yaml_node_pair_t, yaml_node_t, yaml_node_type_t, yaml_parser_state_t,
yaml_parser_t, yaml_read_handler_t, yaml_scalar_style_t, yaml_sequence_style_t,
yaml_simple_key_t, yaml_stack_t, yaml_tag_directive_t, yaml_token_t, yaml_token_type_t,
yaml_version_directive_t, yaml_write_handler_t, YamlEventData,
yaml_node_item_t, yaml_node_pair_t, yaml_node_t, yaml_parser_state_t, yaml_parser_t,
yaml_read_handler_t, yaml_scalar_style_t, yaml_sequence_style_t, yaml_simple_key_t,
yaml_stack_t, yaml_tag_directive_t, yaml_token_t, yaml_token_type_t, yaml_version_directive_t,
yaml_write_handler_t, YamlEventData,
};
#[doc(hidden)]
pub use crate::yaml::{
yaml_break_t::*, yaml_emitter_state_t::*, yaml_encoding_t::*, yaml_error_type_t::*,
yaml_mapping_style_t::*, yaml_node_type_t::*, yaml_parser_state_t::*, yaml_scalar_style_t::*,
yaml_mapping_style_t::*, yaml_parser_state_t::*, yaml_scalar_style_t::*,
yaml_sequence_style_t::*, yaml_token_type_t::*,
};

130
src/loader.rs
View file

@ -1,11 +1,10 @@
use crate::api::{yaml_free, yaml_malloc, yaml_stack_extend, yaml_strdup};
use crate::externs::{memset, strcmp};
use crate::yaml::{yaml_char_t, YamlEventData};
use crate::externs::strcmp;
use crate::yaml::{yaml_char_t, YamlEventData, YamlNodeData};
use crate::{
libc, yaml_alias_data_t, yaml_document_delete, yaml_document_t, yaml_event_t, yaml_mark_t,
yaml_node_item_t, yaml_node_pair_t, yaml_node_t, yaml_parser_parse, yaml_parser_t, PointerExt,
YAML_COMPOSER_ERROR, YAML_MAPPING_NODE, YAML_MEMORY_ERROR, YAML_SCALAR_NODE,
YAML_SEQUENCE_NODE,
YAML_COMPOSER_ERROR, YAML_MEMORY_ERROR,
};
use core::mem::{size_of, MaybeUninit};
use core::ptr::{self, addr_of_mut};
@ -239,17 +238,16 @@ unsafe fn yaml_parser_load_node_add(
*((*parser.document).nodes.start).wrapping_offset((parent_index - 1) as isize)
);
let current_block_17: u64;
match (*parent).type_ {
YAML_SEQUENCE_NODE => {
STACK_LIMIT!(parser, (*parent).data.sequence.items)?;
PUSH!((*parent).data.sequence.items, index);
match (*parent).data {
YamlNodeData::Sequence { ref mut items, .. } => {
STACK_LIMIT!(parser, items)?;
PUSH!(items, index);
}
YAML_MAPPING_NODE => {
YamlNodeData::Mapping { ref mut pairs, .. } => {
let mut pair = MaybeUninit::<yaml_node_pair_t>::uninit();
let pair = pair.as_mut_ptr();
if !STACK_EMPTY!((*parent).data.mapping.pairs) {
let p: *mut yaml_node_pair_t =
(*parent).data.mapping.pairs.top.wrapping_offset(-1_isize);
if !STACK_EMPTY!(pairs) {
let p: *mut yaml_node_pair_t = pairs.top.wrapping_offset(-1_isize);
if (*p).key != 0 && (*p).value == 0 {
(*p).value = index;
current_block_17 = 11307063007268554308;
@ -264,8 +262,8 @@ unsafe fn yaml_parser_load_node_add(
_ => {
(*pair).key = index;
(*pair).value = 0;
STACK_LIMIT!(parser, (*parent).data.mapping.pairs)?;
PUSH!((*parent).data.mapping.pairs, *pair);
STACK_LIMIT!(parser, pairs)?;
PUSH!(pairs, *pair);
}
}
}
@ -324,8 +322,6 @@ unsafe fn yaml_parser_load_scalar(
};
let current_block: u64;
let mut node = MaybeUninit::<yaml_node_t>::uninit();
let node = node.as_mut_ptr();
let index: libc::c_int;
if let Ok(()) = STACK_LIMIT!(parser, (*parser.document).nodes) {
if tag.is_null()
@ -347,19 +343,17 @@ unsafe fn yaml_parser_load_scalar(
current_block = 11006700562992250127;
}
if current_block != 10579931339944277179 {
memset(
node as *mut libc::c_void,
0,
size_of::<yaml_node_t>() as libc::c_ulong,
);
(*node).type_ = YAML_SCALAR_NODE;
(*node).tag = tag;
(*node).start_mark = (*event).start_mark;
(*node).end_mark = (*event).end_mark;
(*node).data.scalar.value = value;
(*node).data.scalar.length = length;
(*node).data.scalar.style = style;
PUSH!((*parser.document).nodes, *node);
let node = yaml_node_t {
data: YamlNodeData::Scalar {
value,
length,
style,
},
tag,
start_mark: (*event).start_mark,
end_mark: (*event).end_mark,
};
PUSH!((*parser.document).nodes, node);
index = (*parser.document)
.nodes
.top
@ -389,8 +383,6 @@ unsafe fn yaml_parser_load_sequence(
};
let current_block: u64;
let mut node = MaybeUninit::<yaml_node_t>::uninit();
let node = node.as_mut_ptr();
struct Items {
start: *mut yaml_node_item_t,
end: *mut yaml_node_item_t,
@ -424,20 +416,22 @@ unsafe fn yaml_parser_load_sequence(
}
if current_block != 13474536459355229096 {
STACK_INIT!(items, yaml_node_item_t);
memset(
node as *mut libc::c_void,
0,
size_of::<yaml_node_t>() as libc::c_ulong,
);
(*node).type_ = YAML_SEQUENCE_NODE;
(*node).tag = tag;
(*node).start_mark = (*event).start_mark;
(*node).end_mark = (*event).end_mark;
(*node).data.sequence.items.start = items.start;
(*node).data.sequence.items.end = items.end;
(*node).data.sequence.items.top = items.start;
(*node).data.sequence.style = style;
PUSH!((*parser.document).nodes, *node);
let node = yaml_node_t {
data: YamlNodeData::Sequence {
items: crate::yaml_stack_t {
start: items.start,
end: items.end,
top: items.start,
},
style,
},
tag,
start_mark: (*event).start_mark,
end_mark: (*event).end_mark,
};
PUSH!((*parser.document).nodes, node);
index = (*parser.document)
.nodes
.top
@ -461,10 +455,10 @@ unsafe fn yaml_parser_load_sequence_end(
) -> Result<(), ()> {
__assert!(((*ctx).top).c_offset_from((*ctx).start) as libc::c_long > 0_i64);
let index: libc::c_int = *(*ctx).top.wrapping_offset(-1_isize);
__assert!(
(*((*parser.document).nodes.start).wrapping_offset((index - 1) as isize)).type_
== YAML_SEQUENCE_NODE
);
__assert!(matches!(
(*((*parser.document).nodes.start).wrapping_offset((index - 1) as isize)).data,
YamlNodeData::Sequence { .. }
));
(*(*parser.document)
.nodes
.start
@ -489,8 +483,6 @@ unsafe fn yaml_parser_load_mapping(
};
let current_block: u64;
let mut node = MaybeUninit::<yaml_node_t>::uninit();
let node = node.as_mut_ptr();
struct Pairs {
start: *mut yaml_node_pair_t,
end: *mut yaml_node_pair_t,
@ -524,20 +516,20 @@ unsafe fn yaml_parser_load_mapping(
}
if current_block != 13635467803606088781 {
STACK_INIT!(pairs, yaml_node_pair_t);
memset(
node as *mut libc::c_void,
0,
size_of::<yaml_node_t>() as libc::c_ulong,
);
(*node).type_ = YAML_MAPPING_NODE;
(*node).tag = tag;
(*node).start_mark = (*event).start_mark;
(*node).end_mark = (*event).end_mark;
(*node).data.mapping.pairs.start = pairs.start;
(*node).data.mapping.pairs.end = pairs.end;
(*node).data.mapping.pairs.top = pairs.start;
(*node).data.mapping.style = style;
PUSH!((*parser.document).nodes, *node);
let node = yaml_node_t {
data: YamlNodeData::Mapping {
pairs: crate::yaml_stack_t {
start: pairs.start,
end: pairs.end,
top: pairs.start,
},
style,
},
tag,
start_mark: (*event).start_mark,
end_mark: (*event).end_mark,
};
PUSH!((*parser.document).nodes, node);
index = (*parser.document)
.nodes
.top
@ -561,10 +553,10 @@ unsafe fn yaml_parser_load_mapping_end(
) -> Result<(), ()> {
__assert!(((*ctx).top).c_offset_from((*ctx).start) as libc::c_long > 0_i64);
let index: libc::c_int = *(*ctx).top.wrapping_offset(-1_isize);
__assert!(
(*((*parser.document).nodes.start).wrapping_offset((index - 1) as isize)).type_
== YAML_MAPPING_NODE
);
__assert!(matches!(
(*((*parser.document).nodes.start).wrapping_offset((index - 1) as isize)).data,
YamlNodeData::Mapping { .. }
));
(*(*parser.document)
.nodes
.start

8
src/macros.rs
View file

@ -442,12 +442,10 @@ macro_rules! PUSH {
}
macro_rules! POP {
($stack:expr) => {
*{
($stack:expr) => {{
$stack.top = $stack.top.offset(-1);
$stack.top
}
};
core::ptr::read($stack.top)
}};
}
macro_rules! QUEUE_INIT {

117
src/yaml.rs
View file

@ -2,7 +2,7 @@ use crate::libc;
use core::ops::Deref;
use core::ptr::{self, addr_of};
pub use self::{yaml_encoding_t::*, yaml_node_type_t::*};
pub use self::yaml_encoding_t::*;
pub use core::primitive::{i64 as ptrdiff_t, u64 as size_t, u8 as yaml_char_t};
/// The version directive data.
@ -474,114 +474,53 @@ pub enum YamlEventData {
MappingEnd,
}
/// Node types.
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
#[repr(u32)]
#[non_exhaustive]
pub enum yaml_node_type_t {
/// An empty node.
YAML_NO_NODE = 0,
/// A scalar node.
YAML_SCALAR_NODE = 1,
/// A sequence node.
YAML_SEQUENCE_NODE = 2,
/// A mapping node.
YAML_MAPPING_NODE = 3,
}
/// The node structure.
#[derive(Copy, Clone)]
#[repr(C)]
#[non_exhaustive]
pub struct yaml_node_t {
/// The node type.
pub type_: yaml_node_type_t,
pub data: YamlNodeData,
/// The node tag.
pub tag: *mut yaml_char_t,
/// The node data.
///
/// ```
/// # const _: &str = stringify! {
/// union {
/// /// The scalar parameters (for YAML_SCALAR_NODE).
/// scalar: struct {
/// /// The scalar value.
/// value: *mut u8,
/// /// The length of the scalar value.
/// length: u64,
/// /// The scalar style.
/// style: yaml_scalar_style_t,
/// },
/// /// The sequence parameters (for YAML_SEQUENCE_NODE).
/// sequence: struct {
/// /// The stack of sequence items.
/// items: yaml_stack_t<yaml_node_item_t>,
/// /// The sequence style.
/// style: yaml_sequence_style_t,
/// },
/// /// The mapping parameters (for YAML_MAPPING_NODE).
/// mapping: struct {
/// /// The stack of mapping pairs (key, value).
/// pairs: yaml_stack_t<yaml_node_pair_t>,
/// /// The mapping style.
/// style: yaml_mapping_style_t,
/// },
/// }
/// # };
/// ```
pub data: unnamed_yaml_node_t_data,
/// The beginning of the node.
pub start_mark: yaml_mark_t,
/// The end of the node.
pub end_mark: yaml_mark_t,
}
#[derive(Copy, Clone)]
#[repr(C)]
pub union unnamed_yaml_node_t_data {
/// The scalar parameters (for YAML_SCALAR_NODE).
pub scalar: unnamed_yaml_node_t_data_scalar,
/// The sequence parameters (for YAML_SEQUENCE_NODE).
pub sequence: unnamed_yaml_node_t_data_sequence,
/// The mapping parameters (for YAML_MAPPING_NODE).
pub mapping: unnamed_yaml_node_t_data_mapping,
}
#[derive(Copy, Clone)]
#[repr(C)]
#[non_exhaustive]
pub struct unnamed_yaml_node_t_data_scalar {
/// Node types.
#[derive(Default)]
pub enum YamlNodeData {
/// An empty node.
#[default]
NoNode,
/// A scalar node.
Scalar {
/// The scalar value.
pub value: *mut yaml_char_t,
value: *mut yaml_char_t,
/// The length of the scalar value.
pub length: size_t,
length: size_t,
/// The scalar style.
pub style: yaml_scalar_style_t,
style: yaml_scalar_style_t,
},
/// A sequence node.
Sequence {
/// The stack of sequence items.
items: yaml_stack_t<yaml_node_item_t>,
/// The sequence style.
style: yaml_sequence_style_t,
},
/// A mapping node.
Mapping {
/// The stack of mapping pairs (key, value).
pairs: yaml_stack_t<yaml_node_pair_t>,
/// The mapping style.
style: yaml_mapping_style_t,
},
}
/// An element of a sequence node.
pub type yaml_node_item_t = libc::c_int;
#[derive(Copy, Clone)]
#[repr(C)]
#[non_exhaustive]
pub struct unnamed_yaml_node_t_data_sequence {
/// The stack of sequence items.
pub items: yaml_stack_t<yaml_node_item_t>,
/// The sequence style.
pub style: yaml_sequence_style_t,
}
#[derive(Copy, Clone)]
#[repr(C)]
#[non_exhaustive]
pub struct unnamed_yaml_node_t_data_mapping {
/// The stack of mapping pairs (key, value).
pub pairs: yaml_stack_t<yaml_node_pair_t>,
/// The mapping style.
pub style: yaml_mapping_style_t,
}
/// An element of a mapping node.
#[derive(Copy, Clone)]
#[repr(C)]