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Add text buffer syntax

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This commit is contained in:
Étienne Fildadut 2022-09-27 17:05:06 +09:00
parent ccaa40a99d
commit e9606cdee0
13 changed files with 345 additions and 145 deletions
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10
LANGUAGE.md
View file

@ -635,6 +635,8 @@ Default types are:
* `object`: an object/record. Mutable. Can be created by calling a class function. * `object`: an object/record. Mutable. Can be created by calling a class function.
* `event buffer`: an [event buffer](#event-buffer). Can be created using `%[text]`, where text is interpreted the same way as a text line (so you can perform interpolation, subtexts, add tags, etc.). Note that this only allows for text and flush events; if the text emit choices and custom events an error will be raised.
Every type is immutable, except `list`, `map` and `object`. Every type is immutable, except `list`, `map` and `object`.
How conversions are handled from Anselme to Lua: How conversions are handled from Anselme to Lua:
@ -645,11 +647,17 @@ How conversions are handled from Anselme to Lua:
* `string` -> `string` * `string` -> `string`
* `pair` -> `table`, with a single key-value pair.
* `annotated` -> the annotated value (the annotation is stripped)
* `list` -> `table` (purely sequential table). * `list` -> `table` (purely sequential table).
* `map` -> `table` (will map each key to a key in the Lua table). * `map` -> `table` (will map each key to a key in the Lua table).
* `pair` -> `table`, with a single key-value pair. * `object` -> `table` (containing each object and class property and its value)
* `event buffer` -> `table` (a list of events where each event is a list of two elements (event type and its eventual data), like `{ { "text", text = { { tags = {...}, text = "hello" } } }, { "flush" }, ... }`)
How conservions are handled from Lua to Anselme: How conservions are handled from Lua to Anselme:

6
anselme.lua
View file

@ -250,7 +250,7 @@ local interpreter_methods = {
if re then coroutine.yield("error", re) end if re then coroutine.yield("error", re) end
if rf then r = rf end if rf then r = rf end
end end
return to_lua(r) return to_lua(r, self.state)
end, end,
--- Evaluate an expression (string) or block, optionally in a specific namespace (string, will use root namespace if not specified). --- Evaluate an expression (string) or block, optionally in a specific namespace (string, will use root namespace if not specified).
-- The expression can't yield events. -- The expression can't yield events.
@ -292,7 +292,7 @@ local interpreter_methods = {
elseif event ~= "return" then elseif event ~= "return" then
return nil, ("evaluated expression generated an %q event; at %s"):format(event, self.state.interpreter.running_line.source) return nil, ("evaluated expression generated an %q event; at %s"):format(event, self.state.interpreter.running_line.source)
else else
return to_lua(data) return to_lua(data, self.state)
end end
end, end,
} }
@ -730,7 +730,7 @@ local vm_mt = {
if not interpreter then return interpreter, err end if not interpreter then return interpreter, err end
local r, e = interpreter:eval(expr, namespace) local r, e = interpreter:eval(expr, namespace)
if e then return r, e end if e then return r, e end
assert(interpreter:step() == "return") -- trigger merge / end-of-script things assert(interpreter:step() == "return", "evaluated expression can not emit events") -- trigger merge / end-of-script things
return r return r
end end
} }

95
interpreter/common.lua
View file

@ -5,49 +5,6 @@ local common
local identifier_pattern local identifier_pattern
local copy local copy
--- copy some text & process it to be suited to be sent to Lua in an event
local function post_process_text(state, text)
local r = {}
-- copy into r & convert tags to lua
for _, t in ipairs(text) do
local tags = common.to_lua(t.tags)
if state.interpreter.base_lua_tags then
for k, v in pairs(state.interpreter.base_lua_tags) do
if tags[k] == nil then tags[k] = v end
end
end
table.insert(r, {
text = t.text,
tags = tags
})
end
-- remove trailing spaces
if state.feature_flags["strip trailing spaces"] then
local final = r[#r]
if final then
final.text = final.text:match("^(.-) *$")
if final.text == "" then
table.remove(r)
end
end
end
-- remove duplicate spaces
if state.feature_flags["strip duplicate spaces"] then
for i=1, #r-1 do
local a, b = r[i], r[i+1]
local na = #a.text:match(" *$")
local nb = #b.text:match("^ *")
if na > 0 and nb > 0 then -- remove duplicated spaces from second element first
b.text = b.text:match("^ *(.-)$")
end
if na > 1 then
a.text = a.text:match("^(.- ) *$")
end
end
end
return r
end
local function random_identifier() local function random_identifier()
local r = "" local r = ""
for _=1, 16 do -- that's live 10^31 possibilities, ought to be enough for anyone for _=1, 16 do -- that's live 10^31 possibilities, ought to be enough for anyone
@ -383,9 +340,9 @@ common = {
--- convert anselme value to lua --- convert anselme value to lua
-- lua value: if success (may be nil!) -- lua value: if success (may be nil!)
-- nil, err: if error -- nil, err: if error
to_lua = function(val) to_lua = function(val, state)
if atypes[val.type] and atypes[val.type].to_lua then if atypes[val.type] and atypes[val.type].to_lua then
return atypes[val.type].to_lua(val.value) return atypes[val.type].to_lua(val.value, state)
else else
return nil, ("no Lua exporter for type %q"):format(val.type) return nil, ("no Lua exporter for type %q"):format(val.type)
end end
@ -598,14 +555,14 @@ common = {
local choices local choices
-- copy & process text buffer -- copy & process text buffer
if type == "text" then if type == "text" then
buffer = post_process_text(state, event.value) buffer = common.post_process_text(state, event.value)
-- copy & process choice buffer -- copy & process choice buffer
elseif type == "choice" then elseif type == "choice" then
-- copy & process choice text content into buffer, and needed private state into choices for each choice -- copy & process choice text content into buffer, and needed private state into choices for each choice
buffer = {} buffer = {}
choices = {} choices = {}
for _, c in ipairs(event.value) do for _, c in ipairs(event.value) do
table.insert(buffer, post_process_text(state, c)) table.insert(buffer, common.post_process_text(state, c))
table.insert(choices, c._state) table.insert(choices, c._state)
end end
-- discard empty choices -- discard empty choices
@ -647,7 +604,49 @@ common = {
end end
return true return true
end end
} },
--- copy some text & process it to be suited to be sent to Lua in an event
post_process_text = function(state, text)
local r = {}
-- copy into r & convert tags to lua
for _, t in ipairs(text) do
local tags = common.to_lua(t.tags, state)
if state.interpreter.base_lua_tags then
for k, v in pairs(state.interpreter.base_lua_tags) do
if tags[k] == nil then tags[k] = v end
end
end
table.insert(r, {
text = t.text,
tags = tags
})
end
-- remove trailing spaces
if state.feature_flags["strip trailing spaces"] then
local final = r[#r]
if final then
final.text = final.text:match("^(.-) *$")
if final.text == "" then
table.remove(r)
end
end
end
-- remove duplicate spaces
if state.feature_flags["strip duplicate spaces"] then
for i=1, #r-1 do
local a, b = r[i], r[i+1]
local na = #a.text:match(" *$")
local nb = #b.text:match("^ *")
if na > 0 and nb > 0 then -- remove duplicated spaces from second element first
b.text = b.text:match("^ *(.-)$")
end
if na > 1 then
a.text = a.text:match("^(.- ) *$")
end
end
end
return r
end
} }
package.loaded[...] = common package.loaded[...] = common

34
interpreter/expression.lua
View file

@ -29,11 +29,33 @@ local function eval(state, exp)
type = "string", type = "string",
value = t value = t
} }
-- text buffer
elseif exp.type == "text buffer" then
-- eval text expression
local v, e = eval(state, exp.text)
if not v then return v, e end
local l = v.type == "list" and v.value or { v }
-- write resulting buffers (plural if loop in text expression) into a single result buffer
local buffer = {}
for _, item in ipairs(l) do
if item.type == "event buffer" then
for _, event in ipairs(item.value) do
if event.type ~= "text" and event.type ~= "flush" then
return nil, ("event %q can't be captured in a text buffer"):format(event.type)
end
table.insert(buffer, event)
end
end
end
return {
type = "event buffer",
value = buffer
}
-- parentheses -- parentheses
elseif exp.type == "parentheses" then elseif exp.type == "parentheses" then
return eval(state, exp.expression) return eval(state, exp.expression)
-- list defined in brackets -- list defined in brackets
elseif exp.type == "list_brackets" then elseif exp.type == "list brackets" then
if exp.expression then if exp.expression then
local v, e = eval(state, exp.expression) local v, e = eval(state, exp.expression)
if not v then return nil, e end if not v then return nil, e end
@ -53,9 +75,9 @@ local function eval(state, exp)
} }
end end
-- map defined in brackets -- map defined in brackets
elseif exp.type == "map_brackets" then elseif exp.type == "map brackets" then
-- get constructing list -- get constructing list
local list, e = eval(state, { type = "list_brackets", expression = exp.expression }) local list, e = eval(state, { type = "list brackets", expression = exp.expression })
if not list then return nil, e end if not list then return nil, e end
-- make map -- make map
local map = {} local map = {}
@ -166,7 +188,7 @@ local function eval(state, exp)
} }
-- tag -- tag
elseif exp.type == "#" then elseif exp.type == "#" then
local right, righte = eval(state, { type = "map_brackets", expression = exp.right }) local right, righte = eval(state, { type = "map brackets", expression = exp.right })
if not right then return nil, righte end if not right then return nil, righte end
tags:push(state, right) tags:push(state, right)
local left, lefte = eval(state, exp.left) local left, lefte = eval(state, exp.left)
@ -202,7 +224,7 @@ local function eval(state, exp)
end end
-- function -- function
elseif exp.type == "function call" then elseif exp.type == "function call" then
-- eval args: map_brackets -- eval args: map brackets
local args = {} local args = {}
local last_contiguous_positional = 0 local last_contiguous_positional = 0
if exp.argument then if exp.argument then
@ -444,7 +466,7 @@ local function eval(state, exp)
elseif lua_fn.mode == nil then elseif lua_fn.mode == nil then
local l_lua = {} local l_lua = {}
for _, v in ipairs(final_args) do for _, v in ipairs(final_args) do
local lv, e = to_lua(v) local lv, e = to_lua(v, state)
if e then return nil, e end if e then return nil, e end
table.insert(l_lua, lv) table.insert(l_lua, lv)
end end

2
parser/common.lua
View file

@ -291,7 +291,7 @@ common = {
implicit_call = implicit_call, -- was call implicitely (no ! or parentheses)? implicit_call = implicit_call, -- was call implicitely (no ! or parentheses)?
variants = variants, -- list of potential variants variants = variants, -- list of potential variants
argument = { -- wrap everything in a list literal to simplify later things (otherwise may be nil, single value, list constructor) argument = { -- wrap everything in a list literal to simplify later things (otherwise may be nil, single value, list constructor)
type = "map_brackets", type = "map brackets",
expression = arg expression = arg
} }
} }

13
parser/expression.lua
View file

@ -105,6 +105,15 @@ local function expression(s, state, namespace, current_priority, operating_on)
local l, e = parse_text(d, state, namespace, "string") -- parse interpolated expressions local l, e = parse_text(d, state, namespace, "string") -- parse interpolated expressions
if not l then return l, e end if not l then return l, e end
return expression(r, state, namespace, current_priority, l) return expression(r, state, namespace, current_priority, l)
-- text buffer
elseif s:match("^%%%[") then
local text = s:match("^%%(.*)$")
local v, r = parse_text(text, state, namespace, "text", "#~", true)
if not v then return nil, r end
return expression(r, state, namespace, current_priority, {
type = "text buffer",
text = v
})
-- paranthesis -- paranthesis
elseif s:match("^%b()") then elseif s:match("^%b()") then
local content, r = s:match("^(%b())(.*)$") local content, r = s:match("^(%b())(.*)$")
@ -134,7 +143,7 @@ local function expression(s, state, namespace, current_priority, operating_on)
if r_paren:match("[^%s]") then return nil, ("unexpected %q at end of list parenthesis expression"):format(r_paren) end if r_paren:match("[^%s]") then return nil, ("unexpected %q at end of list parenthesis expression"):format(r_paren) end
end end
return expression(r, state, namespace, current_priority, { return expression(r, state, namespace, current_priority, {
type = "list_brackets", type = "list brackets",
expression = exp expression = exp
}) })
-- map parenthesis -- map parenthesis
@ -149,7 +158,7 @@ local function expression(s, state, namespace, current_priority, operating_on)
if r_paren:match("[^%s]") then return nil, ("unexpected %q at end of map parenthesis expression"):format(r_paren) end if r_paren:match("[^%s]") then return nil, ("unexpected %q at end of map parenthesis expression"):format(r_paren) end
end end
return expression(r, state, namespace, current_priority, { return expression(r, state, namespace, current_priority, {
type = "map_brackets", type = "map brackets",
expression = exp expression = exp
}) })
-- identifier -- identifier

10
parser/postparser.lua
View file

@ -53,6 +53,16 @@ local function parse(state)
end end
end end
end end
-- get list of properties
-- (unlike scoped, does not includes subnamespaces)
if line.properties then
line.properties = {}
for name in pairs(state.variables) do
if name:sub(1, #namespace) == namespace and not name:sub(#namespace+1):match("%.") then
table.insert(line.properties, name)
end
end
end
end end
-- expressions -- expressions
if line.expression then if line.expression then

1
parser/preparser.lua
View file

@ -97,6 +97,7 @@ local function parse_line(line, state, namespace, parent_function)
elseif lr:match("^%%") then elseif lr:match("^%%") then
r.subtype = "class" r.subtype = "class"
r.resume_boundary = true r.resume_boundary = true
r.properties = true
allow_params = false allow_params = false
allow_assign = false allow_assign = false
elseif lr:match("^%!") then elseif lr:match("^%!") then

228
stdlib/types.lua
View file

@ -1,4 +1,4 @@
local format, to_lua, from_lua, events, anselme, escape, hash, mark_constant, update_hashes local format, to_lua, from_lua, events, anselme, escape, hash, mark_constant, update_hashes, get_variable, find_function_variant_from_fqm, post_process_text
local types = {} local types = {}
types.lua = { types.lua = {
@ -114,6 +114,58 @@ types.anselme = {
end, end,
mark_constant = function() end, mark_constant = function() end,
}, },
pair = {
format = function(val)
local k, ke = format(val[1])
if not k then return k, ke end
local v, ve = format(val[2])
if not v then return v, ve end
return ("%s=%s"):format(k, v)
end,
to_lua = function(val, state)
local k, ke = to_lua(val[1], state)
if ke then return nil, ke end
local v, ve = to_lua(val[2], state)
if ve then return nil, ve end
return { [k] = v }
end,
hash = function(val)
local k, ke = hash(val[1])
if not k then return k, ke end
local v, ve = hash(val[2])
if not v then return v, ve end
return ("p(%s=%s)"):format(k, v)
end,
mark_constant = function(v)
mark_constant(v.value[1])
mark_constant(v.value[2])
end,
},
annotated = {
format = function(val)
local k, ke = format(val[1])
if not k then return k, ke end
local v, ve = format(val[2])
if not v then return v, ve end
return ("%s::%s"):format(k, v)
end,
to_lua = function(val, state)
local k, ke = to_lua(val[1], state)
if ke then return nil, ke end
return k
end,
hash = function(val)
local k, ke = hash(val[1])
if not k then return k, ke end
local v, ve = hash(val[2])
if not v then return v, ve end
return ("a(%s::%s)"):format(k, v)
end,
mark_constant = function(v)
mark_constant(v.value[1])
mark_constant(v.value[2])
end,
},
list = { list = {
mutable = true, mutable = true,
format = function(val) format = function(val)
@ -125,11 +177,11 @@ types.anselme = {
end end
return ("[%s]"):format(table.concat(l, ", ")) return ("[%s]"):format(table.concat(l, ", "))
end, end,
to_lua = function(val) to_lua = function(val, state)
local l = {} local l = {}
for _, v in ipairs(val) do for _, v in ipairs(val) do
local s, e = to_lua(v) local s, e = to_lua(v, state)
if not s and e then return s, e end if e then return nil, e end
table.insert(l, s) table.insert(l, s)
end end
return l return l
@ -164,13 +216,13 @@ types.anselme = {
table.sort(l) table.sort(l)
return ("{%s}"):format(table.concat(l, ", ")) return ("{%s}"):format(table.concat(l, ", "))
end, end,
to_lua = function(val) to_lua = function(val, state)
local l = {} local l = {}
for _, v in pairs(val) do for _, v in pairs(val) do
local kl, ke = to_lua(v[1]) local kl, ke = to_lua(v[1], state)
if not kl and ke then return kl, ke end if ke then return nil, ke end
local xl, xe = to_lua(v[2]) local xl, xe = to_lua(v[2], state)
if not xl and xe then return xl, xe end if xe then return nil, xe end
l[kl] = xl l[kl] = xl
end end
return l return l
@ -196,56 +248,56 @@ types.anselme = {
update_hashes(v) update_hashes(v)
end, end,
}, },
pair = { object = {
mutable = true,
format = function(val) format = function(val)
local k, ke = format(val[1]) local attributes = {}
if not k then return k, ke end for name, v in pairs(val.attributes) do
local v, ve = format(val[2]) table.insert(attributes, ("%s=%s"):format(name:gsub("^"..escape(val.class)..".", ""), format(v)))
if not v then return v, ve end end
return ("%s=%s"):format(k, v) if #attributes > 0 then
table.sort(attributes)
return ("%%%s(%s)"):format(val.class, table.concat(attributes, ", "))
else
return ("%%%s"):format(val.class)
end
end, end,
to_lua = function(val) to_lua = function(val, state)
local k, ke = to_lua(val[1]) local r = {}
if not k and ke then return k, ke end local namespacePattern = "^"..escape(val.class).."%."
local v, ve = to_lua(val[2]) -- set object properties
if not v and ve then return v, ve end for name, v in pairs(val.attributes) do
return { [k] = v } local var, err = to_lua(v, state)
if err then return nil, err end
r[name:gsub(namespacePattern, "")] = var
end
-- set class properties
local class, err = find_function_variant_from_fqm(val.class, state, nil)
if not class then return nil, err end
assert(#class == 1 and class[1].subtype == "class")
class = class[1]
for _, prop in ipairs(class.properties) do
if not val.attributes[prop] then
local var
var, err = get_variable(state, prop)
if not var then return nil, err end
var, err = to_lua(var, state)
if err then return nil, err end
r[prop:gsub(namespacePattern, "")] = var
end
end
return r
end, end,
hash = function(val) hash = function(val)
local k, ke = hash(val[1]) local attributes = {}
if not k then return k, ke end for name, v in pairs(val.attributes) do
local v, ve = hash(val[2]) table.insert(attributes, ("%s=%s"):format(name:gsub("^"..escape(val.class)..".", ""), format(v)))
if not v then return v, ve end end
return ("p(%s=%s)"):format(k, v) table.sort(attributes)
return ("%%(%s;%s)"):format(val.class, table.concat(attributes, ","))
end, end,
mark_constant = function(v) mark_constant = function(v)
mark_constant(v.value[1]) v.constant = true
mark_constant(v.value[2])
end,
},
annotated = {
format = function(val)
local k, ke = format(val[1])
if not k then return k, ke end
local v, ve = format(val[2])
if not v then return v, ve end
return ("%s::%s"):format(k, v)
end,
to_lua = function(val)
local k, ke = to_lua(val[1])
if not k and ke then return k, ke end
return k
end,
hash = function(val)
local k, ke = hash(val[1])
if not k then return k, ke end
local v, ve = hash(val[2])
if not v then return v, ve end
return ("a(%s::%s)"):format(k, v)
end,
mark_constant = function(v)
mark_constant(v.value[1])
mark_constant(v.value[2])
end, end,
}, },
["function reference"] = { ["function reference"] = {
@ -273,47 +325,55 @@ types.anselme = {
end, end,
mark_constant = function() end, mark_constant = function() end,
}, },
object = { -- event buffer: can only be used outside of Anselme internal for text & flush events (through text buffers)
mutable = true,
format = function(val)
local attributes = {}
for name, v in pairs(val.attributes) do
table.insert(attributes, ("%s=%s"):format(name:gsub("^"..escape(val.class)..".", ""), format(v)))
end
if #attributes > 0 then
table.sort(attributes)
return ("%%%s(%s)"):format(val.class, table.concat(attributes, ", "))
else
return ("%%%s"):format(val.class)
end
end,
to_lua = nil,
hash = function(val)
local attributes = {}
for name, v in pairs(val.attributes) do
table.insert(attributes, ("%s=%s"):format(name:gsub("^"..escape(val.class)..".", ""), format(v)))
end
table.sort(attributes)
return ("%%(%s;%s)"):format(val.class, table.concat(attributes, ","))
end,
mark_constant = function(v)
v.constant = true
end,
},
-- internal types
["event buffer"] = { ["event buffer"] = {
format = function(val) -- triggered from subtexts format = function(val) -- triggered from subtexts
local v, e = events:write_buffer(anselme.running.state, val) local v, e = events:write_buffer(anselme.running.state, val)
if not v then return v, e end if not v then return v, e end
return "" return ""
end end,
to_lua = function(val, state)
local r = {}
for _, event in ipairs(val) do
if event.type == "text" then
table.insert(r, { "text", post_process_text(state, event.value) })
elseif event.type == "flush" then
table.insert(r, { "flush" })
else
return nil, ("event %q in event buffer can't be converted to a Lua value"):format(event.type)
end
end
return r
end,
hash = function(val)
local l = {}
for _, event in ipairs(val) do
if event.type == "text" then
local text = {}
for _, t in ipairs(event.value) do
local str = ("s(%s)"):format(t.text)
local tags, e = hash(t.tags)
if not tags then return nil, e end
table.insert(text, ("%s#%s"):format(str, tags))
end
table.insert(l, ("text(%s)"):format(table.concat(text, ",")))
elseif event.type == "flush" then
table.insert(l, "flush")
else
return nil, ("event %q in event buffer cannot be hashed"):format(event.type)
end
end
return ("eb(%s)"):format(table.concat(l, ","))
end,
mark_constant = function() end,
}, },
} }
package.loaded[...] = types package.loaded[...] = types
local common = require((...):gsub("stdlib%.types$", "interpreter.common")) local common = require((...):gsub("stdlib%.types$", "interpreter.common"))
format, to_lua, from_lua, events, hash, mark_constant, update_hashes = common.format, common.to_lua, common.from_lua, common.events, common.hash, common.mark_constant, common.update_hashes format, to_lua, from_lua, events, hash, mark_constant, update_hashes, get_variable, post_process_text = common.format, common.to_lua, common.from_lua, common.events, common.hash, common.mark_constant, common.update_hashes, common.get_variable, common.post_process_text
anselme = require((...):gsub("stdlib%.types$", "anselme")) anselme = require((...):gsub("stdlib%.types$", "anselme"))
escape = require((...):gsub("stdlib%.types$", "parser.common")).escape local pcommon = require((...):gsub("stdlib%.types$", "parser.common"))
escape, find_function_variant_from_fqm = pcommon.escape, pcommon.find_function_variant_from_fqm
return types return types

8
test/tests/text buffer with tags.ans Normal file
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@ -0,0 +1,8 @@
:$ f
lol # 1
d
:a = %[a {f} [t # 2] b]
@a

41
test/tests/text buffer with tags.lua Normal file
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local _={}
_[21]={}
_[20]={2}
_[19]={}
_[18]={1}
_[17]={}
_[16]={text="b",tags=_[21]}
_[15]={text="t ",tags=_[20]}
_[14]={text="d",tags=_[19]}
_[13]={text="lol",tags=_[18]}
_[12]={text="a",tags=_[17]}
_[11]={_[15],_[16]}
_[10]={_[14]}
_[9]={_[13]}
_[8]={_[12]}
_[7]={"text",_[11]}
_[6]={"text",_[10]}
_[5]={"flush"}
_[4]={"text",_[9]}
_[3]={"text",_[8]}
_[2]={_[3],_[4],_[5],_[6],_[7]}
_[1]={"return",_[2]}
return {_[1]}
--[[
{ "return", { { "text", { {
tags = {},
text = "a"
} } }, { "text", { {
tags = { 1 },
text = "lol"
} } }, { "flush" }, { "text", { {
tags = {},
text = "d"
} } }, { "text", { {
tags = { 2 },
text = "t "
}, {
tags = {},
text = "b"
} } } } }
]]--

8
test/tests/text buffer.ans Normal file
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@ -0,0 +1,8 @@
:$ f
lol
d
:a = %[a {f} b]
@a

34
test/tests/text buffer.lua Normal file
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local _={}
_[17]={}
_[16]={}
_[15]={}
_[14]={}
_[13]={tags=_[17],text=" b"}
_[12]={tags=_[16],text="d"}
_[11]={tags=_[15],text="lol"}
_[10]={tags=_[14],text="a"}
_[9]={_[12],_[13]}
_[8]={_[11]}
_[7]={_[10]}
_[6]={"text",_[9]}
_[5]={"flush"}
_[4]={"text",_[8]}
_[3]={"text",_[7]}
_[2]={_[3],_[4],_[5],_[6]}
_[1]={"return",_[2]}
return {_[1]}
--[[
{ "return", { { "text", { {
tags = {},
text = "a"
} } }, { "text", { {
tags = {},
text = "lol"
} } }, { "flush" }, { "text", { {
tags = {},
text = "d"
}, {
tags = {},
text = " b"
} } } } }
]]--