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-rw-r--r--runtime/lua/vim/lsp/_snippet.lua247
1 files changed, 174 insertions, 73 deletions
diff --git a/runtime/lua/vim/lsp/_snippet.lua b/runtime/lua/vim/lsp/_snippet.lua
index 0140b0aee3..3488639fb4 100644
--- a/runtime/lua/vim/lsp/_snippet.lua
+++ b/runtime/lua/vim/lsp/_snippet.lua
@@ -41,7 +41,7 @@ P.take_until = function(targets, specials)
parsed = true,
value = {
raw = table.concat(raw, ''),
- esc = table.concat(esc, '')
+ esc = table.concat(esc, ''),
},
pos = new_pos,
}
@@ -156,10 +156,10 @@ P.seq = function(...)
return function(input, pos)
local values = {}
local new_pos = pos
- for _, parser in ipairs(parsers) do
+ for i, parser in ipairs(parsers) do
local result = parser(input, new_pos)
if result.parsed then
- table.insert(values, result.value)
+ values[i] = result.value
new_pos = result.pos
else
return P.unmatch(pos)
@@ -248,49 +248,122 @@ S.format = P.any(
capture_index = values[3],
}, Node)
end),
- P.map(P.seq(S.dollar, S.open, S.int, S.colon, S.slash, P.any(
- P.token('upcase'),
- P.token('downcase'),
- P.token('capitalize'),
- P.token('camelcase'),
- P.token('pascalcase')
- ), S.close), function(values)
- return setmetatable({
- type = Node.Type.FORMAT,
- capture_index = values[3],
- modifier = values[6],
- }, Node)
- end),
- P.map(P.seq(S.dollar, S.open, S.int, S.colon, P.any(
- P.seq(S.question, P.take_until({ ':' }, { '\\' }), S.colon, P.take_until({ '}' }, { '\\' })),
- P.seq(S.plus, P.take_until({ '}' }, { '\\' })),
- P.seq(S.minus, P.take_until({ '}' }, { '\\' }))
- ), S.close), function(values)
+ P.map(
+ P.seq(
+ S.dollar,
+ S.open,
+ S.int,
+ S.colon,
+ S.slash,
+ P.any(
+ P.token('upcase'),
+ P.token('downcase'),
+ P.token('capitalize'),
+ P.token('camelcase'),
+ P.token('pascalcase')
+ ),
+ S.close
+ ),
+ function(values)
+ return setmetatable({
+ type = Node.Type.FORMAT,
+ capture_index = values[3],
+ modifier = values[6],
+ }, Node)
+ end
+ ),
+ P.map(
+ P.seq(
+ S.dollar,
+ S.open,
+ S.int,
+ S.colon,
+ P.seq(
+ S.question,
+ P.opt(P.take_until({ ':' }, { '\\' })),
+ S.colon,
+ P.opt(P.take_until({ '}' }, { '\\' }))
+ ),
+ S.close
+ ),
+ function(values)
+ return setmetatable({
+ type = Node.Type.FORMAT,
+ capture_index = values[3],
+ if_text = values[5][2] and values[5][2].esc or '',
+ else_text = values[5][4] and values[5][4].esc or '',
+ }, Node)
+ end
+ ),
+ P.map(
+ P.seq(
+ S.dollar,
+ S.open,
+ S.int,
+ S.colon,
+ P.seq(S.plus, P.opt(P.take_until({ '}' }, { '\\' }))),
+ S.close
+ ),
+ function(values)
+ return setmetatable({
+ type = Node.Type.FORMAT,
+ capture_index = values[3],
+ if_text = values[5][2] and values[5][2].esc or '',
+ else_text = '',
+ }, Node)
+ end
+ ),
+ P.map(
+ P.seq(
+ S.dollar,
+ S.open,
+ S.int,
+ S.colon,
+ S.minus,
+ P.opt(P.take_until({ '}' }, { '\\' })),
+ S.close
+ ),
+ function(values)
+ return setmetatable({
+ type = Node.Type.FORMAT,
+ capture_index = values[3],
+ if_text = '',
+ else_text = values[6] and values[6].esc or '',
+ }, Node)
+ end
+ ),
+ P.map(
+ P.seq(S.dollar, S.open, S.int, S.colon, P.opt(P.take_until({ '}' }, { '\\' })), S.close),
+ function(values)
+ return setmetatable({
+ type = Node.Type.FORMAT,
+ capture_index = values[3],
+ if_text = '',
+ else_text = values[5] and values[5].esc or '',
+ }, Node)
+ end
+ )
+)
+
+S.transform = P.map(
+ P.seq(
+ S.slash,
+ P.take_until({ '/' }, { '\\' }),
+ S.slash,
+ P.many(P.any(S.format, S.text({ '$', '/' }, { '\\' }))),
+ S.slash,
+ P.opt(P.pattern('[ig]+'))
+ ),
+ function(values)
return setmetatable({
- type = Node.Type.FORMAT,
- capture_index = values[3],
- if_text = values[5][2].esc,
- else_text = (values[5][4] or {}).esc,
+ type = Node.Type.TRANSFORM,
+ pattern = values[2].raw,
+ format = values[4],
+ option = values[6],
}, Node)
- end)
+ end
)
-S.transform = P.map(P.seq(
- S.slash,
- P.take_until({ '/' }, { '\\' }),
- S.slash,
- P.many(P.any(S.format, S.text({ '$', '/' }, { '\\' }))),
- S.slash,
- P.opt(P.pattern('[ig]+'))
-), function(values)
- return setmetatable({
- type = Node.Type.TRANSFORM,
- pattern = values[2].raw,
- format = values[4],
- option = values[6],
- }, Node)
-end)
-
S.tabstop = P.any(
P.map(P.seq(S.dollar, S.int), function(values)
return setmetatable({
@@ -314,34 +387,52 @@ S.tabstop = P.any(
)
S.placeholder = P.any(
- P.map(P.seq(S.dollar, S.open, S.int, S.colon, P.many(P.any(S.toplevel, S.text({ '$', '}' }, { '\\' }))), S.close), function(values)
- return setmetatable({
- type = Node.Type.PLACEHOLDER,
- tabstop = values[3],
- children = values[5],
- }, Node)
- end)
+ P.map(
+ P.seq(
+ S.dollar,
+ S.open,
+ S.int,
+ S.colon,
+ P.opt(P.many(P.any(S.toplevel, S.text({ '$', '}' }, { '\\' })))),
+ S.close
+ ),
+ function(values)
+ return setmetatable({
+ type = Node.Type.PLACEHOLDER,
+ tabstop = values[3],
+ -- insert empty text if opt did not match.
+ children = values[5] or {
+ setmetatable({
+ type = Node.Type.TEXT,
+ raw = '',
+ esc = '',
+ }, Node),
+ },
+ }, Node)
+ end
+ )
)
-S.choice = P.map(P.seq(
- S.dollar,
- S.open,
- S.int,
- S.pipe,
- P.many(
- P.map(P.seq(S.text({ ',', '|' }), P.opt(S.comma)), function(values)
+S.choice = P.map(
+ P.seq(
+ S.dollar,
+ S.open,
+ S.int,
+ S.pipe,
+ P.many(P.map(P.seq(S.text({ ',', '|' }), P.opt(S.comma)), function(values)
return values[1].esc
- end)
+ end)),
+ S.pipe,
+ S.close
),
- S.pipe,
- S.close
-), function(values)
- return setmetatable({
- type = Node.Type.CHOICE,
- tabstop = values[3],
- items = values[5],
- }, Node)
-end)
+ function(values)
+ return setmetatable({
+ type = Node.Type.CHOICE,
+ tabstop = values[3],
+ items = values[5],
+ }, Node)
+ end
+)
S.variable = P.any(
P.map(P.seq(S.dollar, S.var), function(values)
@@ -363,13 +454,23 @@ S.variable = P.any(
transform = values[4],
}, Node)
end),
- P.map(P.seq(S.dollar, S.open, S.var, S.colon, P.many(P.any(S.toplevel, S.text({ '$', '}' }, { '\\' }))), S.close), function(values)
- return setmetatable({
- type = Node.Type.VARIABLE,
- name = values[3],
- children = values[5],
- }, Node)
- end)
+ P.map(
+ P.seq(
+ S.dollar,
+ S.open,
+ S.var,
+ S.colon,
+ P.many(P.any(S.toplevel, S.text({ '$', '}' }, { '\\' }))),
+ S.close
+ ),
+ function(values)
+ return setmetatable({
+ type = Node.Type.VARIABLE,
+ name = values[3],
+ children = values[5],
+ }, Node)
+ end
+ )
)
S.snippet = P.map(P.many(P.any(S.toplevel, S.text({ '$' }, { '}', '\\' }))), function(values)
generated by cgit (git 2.34.1) at 2025-04-29 14:33:34 +0000