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runtime(vim): Distinguish Vim9 builtin object methods from namesake builtin functions (#14348)

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Currently, the overriding object method definitions are
matched as vimFunctionError (:help builtin-object-methods,
v9.1.0148).

For example:
------------------------------------------------------------
vim9script

class Test
	def string(): string
		return "Test"
	enddef
endclass

echo string(Test.new()) == Test.new().string()
------------------------------------------------------------

Instead, let's introduce a new syntax group vimMethodName
and make these methods its members.  In order to emphasise
the link between the overriding methods and the overridden
functions for highlighting, vimMethodName is linked by
default to vimFuncName.

Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com>
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Aliaksei Budavei
2024-03-31 19:26:32 +03:00
committed by GitHub
parent 807fff135d
commit 80aabaab66
7 changed files with 152 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

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vim9script
# VIM_TEST_SETUP hi link vimMethodName Todo
# Vim |builtin-object-methods| and namesake builtin functions.
class PairClassTest
public const a: any
public const b: any
def new(a: any, b: any)
this.a = a
this.b = b
enddef
def empty(): bool
return false
enddef
def len(): number
return 2
enddef
def string(): string
return printf('(%s, %s)', this.a, this.b)
enddef
endclass
enum MarkerEnumTest
INSTANCE
def NoOp()
enddef
def empty(): bool
return true
enddef
def len(): number
return 0
enddef
def string(): string
return this.name
enddef
endenum
const b1: bool = empty(MarkerEnumTest.INSTANCE)
const n1: number = len(MarkerEnumTest.INSTANCE)
const s1: string = string(MarkerEnumTest.INSTANCE)
echo b1 && MarkerEnumTest.INSTANCE.empty()
echo n1 == 0 && MarkerEnumTest.INSTANCE.len() == 0
echo s1 == 'INSTANCE' && MarkerEnumTest.INSTANCE.string() == 'INSTANCE'
const pair: PairClassTest = PairClassTest.new(0, 1)
const b2: bool = !pair.empty()
const n2: number = pair.len()
const s2: string = pair.string()
echo b2 && !empty(pair)
echo n2 == 2 && len(pair) == 2
echo s2 == '(0, 1)' && string(pair) == '(0, 1)'