diff options
Diffstat (limited to 'modules/textadept/snippets.lua')
| -rw-r--r-- | modules/textadept/snippets.lua | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/modules/textadept/snippets.lua b/modules/textadept/snippets.lua index d5e2df70..3c2fb381 100644 --- a/modules/textadept/snippets.lua +++ b/modules/textadept/snippets.lua @@ -29,6 +29,14 @@ local M = {} -- snippets['foo'] = 'foobar%1(baz)' -- snippets['bar'] = 'start\n\t%0\nend' -- +-- ### `%`*n*`{`*list*`}` +-- +-- Also represents a placeholder (where *n* is an integer), but presents a list +-- of choices for placeholder text constructed from comma-separated *list*. +-- Examples are +-- +-- snippets['op'] = 'operator(%1(1), %2(1), "%3{add,sub,mul,div}")' +-- -- ### `%`*n* -- -- Represents a mirror, where *n* is an integer. Mirrors with the same *n* as a @@ -171,13 +179,15 @@ local function new_snippet(text, trigger) local patt = P{ V('plain_text') * V('placeholder') * Cp() + V('plain_text') * -1, plain_text = C(((P(1) - '%')^1 + '%%')^0), - placeholder = Ct('%' * (V('index')^-1 * (V('angles') + V('brackets')) * + placeholder = Ct('%' * (V('index')^-1 * (V('angles') + V('brackets') + + V('braces')) * V('transform') + V('index') * (V('parens') + V('simple')))), index = Cg(R('09') / tonumber, 'index'), parens = '(' * Cg((1 - S('()') + V('parens'))^0, 'default') * ')', simple = Cg(Cc(true), 'simple'), transform = Cg(Cc(true), 'transform'), brackets = '[' * Cg((1 - S('[]') + V('brackets'))^0, 'sh_code') * ']', + braces = '{' * Cg((1 - S('{}') + V('braces'))^0, 'choice') * '}', angles = '<' * -P('/') * Cg((1 - S('<>') + V('angles'))^0, 'lua_code') * '>' } -- A snippet placeholder. @@ -190,6 +200,7 @@ local function new_snippet(text, trigger) -- either Lua or Shell code). -- @field lua_code The Lua code of this transform. -- @field sh_code The Shell code of this transform. + -- @field choice A list of options to insert from an autocompletion list. -- @field position This placeholder's initial position in its snapshot. This -- field will not update until the next snapshot is taken. Use -- `snippet:each_placeholder()` to determine a placeholder's current @@ -380,6 +391,7 @@ M._snippet_mt = { -- Find the default placeholder, which may be the first mirror. local ph = select(2, self:each_placeholder(self.index, 'default')()) or + select(2, self:each_placeholder(self.index, 'choice')()) or select(2, self:each_placeholder(self.index, 'simple')()) or self.index == 0 and {position = self.end_pos, length = 0} if not ph then self:next() return end -- try next placeholder @@ -400,6 +412,12 @@ M._snippet_mt = { buffer.indicator_current = M.INDIC_PLACEHOLDER buffer:indicator_clear_range(ph.position, e - ph.position) if not ph.default then buffer:replace_sel('') end -- delete filler ' ' + if ph.choice then + local sep = buffer.auto_c_separator + buffer.auto_c_separator = string.byte(',') + buffer:auto_c_show(0, ph.choice) + buffer.auto_c_separator = sep -- restore + end -- Add additional carets at mirrors and clear their markers. local text = ph.default or '' |