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Diffstat (limited to 'runtime/syntax/modula2/opt/pim.vim')
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diff --git a/runtime/syntax/modula2/opt/pim.vim b/runtime/syntax/modula2/opt/pim.vim new file mode 100644 index 0000000..1626db9 --- /dev/null +++ b/runtime/syntax/modula2/opt/pim.vim @@ -0,0 +1,377 @@ +" Vim syntax file +" Language: Modula-2 (PIM) +" Maintainer: B.Kowarsch <trijezdci@moc.liamg> +" Last Change: 2016 August 22 + +" ---------------------------------------------------- +" THIS FILE IS LICENSED UNDER THE VIM LICENSE +" see https://github.com/vim/vim/blob/master/LICENSE +" ---------------------------------------------------- + +" Remarks: +" Vim Syntax files are available for the following Modula-2 dialects: +" * for the PIM dialect : m2pim.vim (this file) +" * for the ISO dialect : m2iso.vim +" * for the R10 dialect : m2r10.vim + +" ----------------------------------------------------------------------------- +" This syntax description follows the 3rd and 4th editions of N.Wirth's Book +" Programming in Modula-2 (aka PIM) plus the following language extensions: +" * non-leading, non-trailing, non-consecutive lowlines _ in identifiers +" * widely supported non-standard types BYTE, LONGCARD and LONGBITSET +" * non-nesting code disabling tags ?< and >? at the start of a line +" ----------------------------------------------------------------------------- + +" Parameters: +" +" Vim's filetype script recognises Modula-2 dialect tags within the first 200 +" lines of Modula-2 .def and .mod input files. The script sets filetype and +" dialect automatically when a valid dialect tag is found in the input file. +" The dialect tag for the PIM dialect is (*!m2pim*). It is recommended to put +" the tag immediately after the module header in the Modula-2 input file. +" +" Example: +" DEFINITION MODULE Foolib; (*!m2pim*) +" +" Variable g:modula2_default_dialect sets the default Modula-2 dialect when the +" dialect cannot be determined from the contents of the Modula-2 input file: +" if defined and set to 'm2pim', the default dialect is PIM. +" +" Variable g:modula2_pim_allow_lowline controls support for lowline in identifiers: +" if defined and set to a non-zero value, they are recognised, otherwise not +" +" Variable g:modula2_pim_disallow_octals controls the rendering of octal literals: +" if defined and set to a non-zero value, they are rendered as errors. +" +" Variable g:modula2_pim_disallow_synonyms controls the rendering of & and ~: +" if defined and set to a non-zero value, they are rendered as errors. +" +" Variables may be defined in Vim startup file .vimrc +" +" Examples: +" let g:modula2_default_dialect = 'm2pim' +" let g:modula2_pim_allow_lowline = 1 +" let g:modula2_pim_disallow_octals = 1 +" let g:modula2_pim_disallow_synonyms = 1 + + +if exists("b:current_syntax") + finish +endif + +" Modula-2 is case sensitive +syn case match + + +" ----------------------------------------------------------------------------- +" Reserved Words +" ----------------------------------------------------------------------------- +syn keyword modula2Resword AND ARRAY BEGIN BY CASE CONST DEFINITION DIV DO ELSE +syn keyword modula2Resword ELSIF EXIT EXPORT FOR FROM IF IMPLEMENTATION IMPORT +syn keyword modula2Resword IN LOOP MOD NOT OF OR POINTER QUALIFIED RECORD REPEAT +syn keyword modula2Resword RETURN SET THEN TO TYPE UNTIL VAR WHILE WITH + + +" ----------------------------------------------------------------------------- +" Builtin Constant Identifiers +" ----------------------------------------------------------------------------- +syn keyword modula2ConstIdent FALSE NIL TRUE + + +" ----------------------------------------------------------------------------- +" Builtin Type Identifiers +" ----------------------------------------------------------------------------- +syn keyword modula2TypeIdent BITSET BOOLEAN CHAR PROC +syn keyword modula2TypeIdent CARDINAL INTEGER LONGINT REAL LONGREAL + + +" ----------------------------------------------------------------------------- +" Builtin Procedure and Function Identifiers +" ----------------------------------------------------------------------------- +syn keyword modula2ProcIdent CAP DEC EXCL HALT INC INCL +syn keyword modula2FuncIdent ABS CHR FLOAT HIGH MAX MIN ODD ORD SIZE TRUNC VAL + + +" ----------------------------------------------------------------------------- +" Wirthian Macro Identifiers +" ----------------------------------------------------------------------------- +syn keyword modula2MacroIdent NEW DISPOSE + + +" ----------------------------------------------------------------------------- +" Unsafe Facilities via Pseudo-Module SYSTEM +" ----------------------------------------------------------------------------- +syn keyword modula2UnsafeIdent ADDRESS PROCESS WORD +syn keyword modula2UnsafeIdent ADR TSIZE NEWPROCESS TRANSFER SYSTEM + + +" ----------------------------------------------------------------------------- +" Non-Portable Language Extensions +" ----------------------------------------------------------------------------- +syn keyword modula2NonPortableIdent BYTE LONGCARD LONGBITSET + + +" ----------------------------------------------------------------------------- +" User Defined Identifiers +" ----------------------------------------------------------------------------- +syn match modula2Ident "[a-zA-Z][a-zA-Z0-9]*\(_\)\@!" +syn match modula2LowLineIdent "[a-zA-Z][a-zA-Z0-9]*\(_[a-zA-Z0-9]\+\)\+" + + +" ----------------------------------------------------------------------------- +" String Literals +" ----------------------------------------------------------------------------- +syn region modula2String start=/"/ end=/"/ oneline +syn region modula2String start=/'/ end=/'/ oneline + + +" ----------------------------------------------------------------------------- +" Numeric Literals +" ----------------------------------------------------------------------------- +syn match modula2Num + \ "\(\([0-7]\+\)[BC]\@!\|[89]\)[0-9]*\(\.[0-9]\+\([eE][+-]\?[0-9]\+\)\?\)\?" +syn match modula2Num "[0-9A-F]\+H" +syn match modula2Octal "[0-7]\+[BC]" + + +" ----------------------------------------------------------------------------- +" Punctuation +" ----------------------------------------------------------------------------- +syn match modula2Punctuation + \ "\.\|[,:;]\|\*\|[/+-]\|\#\|[=<>]\|\^\|\[\|\]\|(\(\*\)\@!\|[){}]" +syn match modula2Synonym "[&~]" + + +" ----------------------------------------------------------------------------- +" Pragmas +" ----------------------------------------------------------------------------- +syn region modula2Pragma start="(\*\$" end="\*)" +syn match modula2DialectTag "(\*!m2pim\(+[a-z0-9]\+\)\?\*)" + +" ----------------------------------------------------------------------------- +" Block Comments +" ----------------------------------------------------------------------------- +syn region modula2Comment start="(\*\(\$\|!m2pim\(+[a-z0-9]\+\)\?\*)\)\@!" end="\*)" + \ contains = modula2Comment, modula2CommentKey, modula2TechDebtMarker +syn match modula2CommentKey "[Aa]uthor[s]\?\|[Cc]opyright\|[Ll]icense\|[Ss]ynopsis" +syn match modula2CommentKey "\([Pp]re\|[Pp]ost\|[Ee]rror\)\-condition[s]\?:" + + +" ----------------------------------------------------------------------------- +" Technical Debt Markers +" ----------------------------------------------------------------------------- +syn keyword modula2TechDebtMarker contained DEPRECATED FIXME +syn match modula2TechDebtMarker "TODO[:]\?" contained + +" ----------------------------------------------------------------------------- +" Disabled Code Sections +" ----------------------------------------------------------------------------- +syn region modula2DisabledCode start="^?<" end="^>?" + + +" ----------------------------------------------------------------------------- +" Headers +" ----------------------------------------------------------------------------- +" !!! this section must be second last !!! + +" new module header +syn match modula2ModuleHeader + \ "MODULE\( [A-Z][a-zA-Z0-9]*\)\?" + \ contains = modula2ReswordModule, modula2ModuleIdent + +syn match modula2ModuleIdent + \ "[A-Z][a-zA-Z0-9]*" contained + +syn match modula2ModuleTail + \ "END [A-Z][a-zA-Z0-9]*\.$" + \ contains = modula2ReswordEnd, modula2ModuleIdent, modula2Punctuation + +" new procedure header +syn match modula2ProcedureHeader + \ "PROCEDURE\( [a-zA-Z][a-zA-Z0-9]*\(_[a-zA-Z0-9]\+\)*\)\?" + \ contains = modula2ReswordProcedure, + \ modula2ProcedureIdent, modula2ProcedureLowlineIdent, modula2IllegalChar, modula2IllegalIdent + +syn match modula2ProcedureIdent + \ "\([a-zA-Z]\)\([a-zA-Z0-9]*\)" contained + +syn match modula2ProcedureLowlineIdent + \ "[a-zA-Z][a-zA-Z0-9]*\(_[a-zA-Z0-9]\+\)\+" contained + +syn match modula2ProcedureTail + \ "END\( \([a-zA-Z][a-zA-Z0-9]*\(_[a-zA-Z0-9]\+\)*\)[.;]$\)\?" + \ contains = modula2ReswordEnd, + \ modula2ProcedureIdent, modula2ProcedureLowLineIdent, + \ modula2Punctuation, modula2IllegalChar, modula2IllegalIdent + +syn keyword modula2ReswordModule contained MODULE +syn keyword modula2ReswordProcedure contained PROCEDURE +syn keyword modula2ReswordEnd contained END + + +" ----------------------------------------------------------------------------- +" Illegal Symbols +" ----------------------------------------------------------------------------- +" !!! this section must be last !!! + +" any '`' '!' '@ ''$' '%' or '\' +syn match modula2IllegalChar "[`!@$%\\]" + +" any solitary sequence of '_' +syn match modula2IllegalChar "\<_\+\>" + +" any '?' at start of line if not followed by '<' +syn match modula2IllegalChar "^?\(<\)\@!" + +" any '?' not following '>' at start of line +syn match modula2IllegalChar "\(\(^>\)\|\(^\)\)\@<!?" + +" any identifiers with leading occurrences of '_' +syn match modula2IllegalIdent "_\+[a-zA-Z][a-zA-Z0-9]*\(_\+[a-zA-Z0-9]*\)*" + +" any identifiers containing consecutive occurences of '_' +syn match modula2IllegalIdent + \ "[a-zA-Z][a-zA-Z0-9]*\(_[a-zA-Z0-9]\+\)*\(__\+[a-zA-Z0-9]\+\(_[a-zA-Z0-9]\+\)*\)\+" + +" any identifiers with trailing occurrences of '_' +syn match modula2IllegalIdent "[a-zA-Z][a-zA-Z0-9]*\(_\+[a-zA-Z0-9]\+\)*_\+\>" + + +" ----------------------------------------------------------------------------- +" Define Rendering Styles +" ----------------------------------------------------------------------------- + +" highlight default link modula2PredefIdentStyle Keyword +" highlight default link modula2ConstIdentStyle modula2PredefIdentStyle +" highlight default link modula2TypeIdentStyle modula2PredefIdentStyle +" highlight default link modula2ProcIdentStyle modula2PredefIdentStyle +" highlight default link modula2FuncIdentStyle modula2PredefIdentStyle +" highlight default link modula2MacroIdentStyle modula2PredefIdentStyle + +highlight default link modula2ConstIdentStyle Constant +highlight default link modula2TypeIdentStyle Type +highlight default link modula2ProcIdentStyle Function +highlight default link modula2FuncIdentStyle Function +highlight default link modula2MacroIdentStyle Function +highlight default link modula2UnsafeIdentStyle Question +highlight default link modula2NonPortableIdentStyle Question +highlight default link modula2StringLiteralStyle String +highlight default link modula2CommentStyle Comment +highlight default link modula2PragmaStyle PreProc +highlight default link modula2DialectTagStyle SpecialComment +highlight default link modula2TechDebtMarkerStyle SpecialComment +highlight default link modula2ReswordStyle Keyword +highlight default link modula2HeaderIdentStyle Function +highlight default link modula2UserDefIdentStyle Normal +highlight default link modula2NumericLiteralStyle Number +highlight default link modula2PunctuationStyle Delimiter +highlight default link modula2CommentKeyStyle SpecialComment +highlight default link modula2DisabledCodeStyle NonText + +" ----------------------------------------------------------------------------- +" Assign Rendering Styles +" ----------------------------------------------------------------------------- + +" headers +highlight default link modula2ModuleIdent modula2HeaderIdentStyle +highlight default link modula2ProcedureIdent modula2HeaderIdentStyle +highlight default link modula2ModuleHeader Normal +highlight default link modula2ModuleTail Normal +highlight default link modula2ProcedureHeader Normal +highlight default link modula2ProcedureTail Normal + +" lowline identifiers are rendered as errors if g:modula2_pim_allow_lowline is unset +if exists("g:modula2_pim_allow_lowline") + if g:modula2_pim_allow_lowline != 0 + highlight default link modula2ProcedureLowlineIdent modula2HeaderIdentStyle + else + highlight default link modula2ProcedureLowlineIdent Error + endif +else + highlight default link modula2ProcedureLowlineIdent Error +endif + +" reserved words +highlight default link modula2Resword modula2ReswordStyle +highlight default link modula2ReswordModule modula2ReswordStyle +highlight default link modula2ReswordProcedure modula2ReswordStyle +highlight default link modula2ReswordEnd modula2ReswordStyle + +" predefined identifiers +highlight default link modula2ConstIdent modula2ConstIdentStyle +highlight default link modula2TypeIdent modula2TypeIdentStyle +highlight default link modula2ProcIdent modula2ProcIdentStyle +highlight default link modula2FuncIdent modula2FuncIdentStyle +highlight default link modula2MacroIdent modula2MacroIdentStyle + +" unsafe and non-portable identifiers +highlight default link modula2UnsafeIdent modula2UnsafeIdentStyle +highlight default link modula2NonPortableIdent modula2NonPortableIdentStyle + +" user defined identifiers +highlight default link modula2Ident modula2UserDefIdentStyle + +" lowline identifiers are rendered as errors if g:modula2_pim_allow_lowline is unset +if exists("g:modula2_pim_allow_lowline") + if g:modula2_pim_allow_lowline != 0 + highlight default link modula2LowLineIdent modula2UserDefIdentStyle + else + highlight default link modula2LowLineIdent Error + endif +else + highlight default link modula2LowLineIdent Error +endif + +" literals +highlight default link modula2String modula2StringLiteralStyle +highlight default link modula2Num modula2NumericLiteralStyle + +" octal literals are rendered as errors if g:modula2_pim_disallow_octals is set +if exists("g:modula2_pim_disallow_octals") + if g:modula2_pim_disallow_octals != 0 + highlight default link modula2Octal Error + else + highlight default link modula2Octal modula2NumericLiteralStyle + endif +else + highlight default link modula2Octal modula2NumericLiteralStyle +endif + +" punctuation +highlight default link modula2Punctuation modula2PunctuationStyle + +" synonyms & and ~ are rendered as errors if g:modula2_pim_disallow_synonyms is set +if exists("g:modula2_pim_disallow_synonyms") + if g:modula2_pim_disallow_synonyms != 0 + highlight default link modula2Synonym Error + else + highlight default link modula2Synonym modula2PunctuationStyle + endif +else + highlight default link modula2Synonym modula2PunctuationStyle +endif + +" pragmas +highlight default link modula2Pragma modula2PragmaStyle +highlight default link modula2DialectTag modula2DialectTagStyle + +" comments +highlight default link modula2Comment modula2CommentStyle +highlight default link modula2CommentKey modula2CommentKeyStyle + +" technical debt markers +highlight default link modula2TechDebtMarker modula2TechDebtMarkerStyle + +" disabled code +highlight default link modula2DisabledCode modula2DisabledCodeStyle + +" illegal symbols +highlight default link modula2IllegalChar Error +highlight default link modula2IllegalIdent Error + + +let b:current_syntax = "modula2" + +" vim: ts=4 + +" END OF FILE |