xref: /vim-8.2.3635/runtime/syntax/st.vim (revision e30d1025)
1" Vim syntax file
2" Language:	Smalltalk
3" Maintainer:	Arndt Hesse <[email protected]>
4" Last Change:	2012 Feb 12 by Thilo Six
5
6" quit when a syntax file was already loaded
7if exists("b:current_syntax")
8  finish
9endif
10
11let s:cpo_save = &cpo
12set cpo&vim
13
14" some Smalltalk keywords and standard methods
15syn keyword	stKeyword	super self class true false new not
16syn keyword	stKeyword	notNil isNil inspect out nil
17syn match	stMethod	"\<do\>:"
18syn match	stMethod	"\<whileTrue\>:"
19syn match	stMethod	"\<whileFalse\>:"
20syn match	stMethod	"\<ifTrue\>:"
21syn match	stMethod	"\<ifFalse\>:"
22syn match	stMethod	"\<put\>:"
23syn match	stMethod	"\<to\>:"
24syn match	stMethod	"\<at\>:"
25syn match	stMethod	"\<add\>:"
26syn match	stMethod	"\<new\>:"
27syn match	stMethod	"\<for\>:"
28syn match	stMethod	"\<methods\>:"
29syn match	stMethod	"\<methodsFor\>:"
30syn match	stMethod	"\<instanceVariableNames\>:"
31syn match	stMethod	"\<classVariableNames\>:"
32syn match	stMethod	"\<poolDictionaries\>:"
33syn match	stMethod	"\<subclass\>:"
34
35" the block of local variables of a method
36syn region stLocalVariables	start="^[ \t]*|" end="|"
37
38" the Smalltalk comment
39syn region stComment	start="\"" end="\""
40
41" the Smalltalk strings and single characters
42syn region stString	start='\'' skip="''" end='\''
43syn match  stCharacter	"$."
44
45syn case ignore
46
47" the symbols prefixed by a '#'
48syn match  stSymbol	"\(#\<[a-z_][a-z0-9_]*\>\)"
49syn match  stSymbol	"\(#'[^']*'\)"
50
51" the variables in a statement block for loops
52syn match  stBlockVariable "\(:[ \t]*\<[a-z_][a-z0-9_]*\>[ \t]*\)\+|" contained
53
54" some representations of numbers
55syn match  stNumber	"\<\d\+\(u\=l\=\|lu\|f\)\>"
56syn match  stFloat	"\<\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=\>"
57syn match  stFloat	"\<\d\+e[-+]\=\d\+[fl]\=\>"
58
59syn case match
60
61" a try to highlight paren mismatches
62syn region stParen	transparent start='(' end=')' contains=ALLBUT,stParenError
63syn match  stParenError	")"
64syn region stBlock	transparent start='\[' end='\]' contains=ALLBUT,stBlockError
65syn match  stBlockError	"\]"
66syn region stSet	transparent start='{' end='}' contains=ALLBUT,stSetError
67syn match  stSetError	"}"
68
69hi link stParenError stError
70hi link stSetError stError
71hi link stBlockError stError
72
73" synchronization for syntax analysis
74syn sync minlines=50
75
76" Define the default highlighting.
77" Only when an item doesn't have highlighting yet
78
79hi def link stKeyword		Statement
80hi def link stMethod		Statement
81hi def link stComment		Comment
82hi def link stCharacter		Constant
83hi def link stString		Constant
84hi def link stSymbol		Special
85hi def link stNumber		Type
86hi def link stFloat		Type
87hi def link stError		Error
88hi def link stLocalVariables	Identifier
89hi def link stBlockVariable	Identifier
90
91
92let b:current_syntax = "st"
93
94let &cpo = s:cpo_save
95unlet s:cpo_save
96