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Diffstat (limited to 'runtime/syntax/modula2/opt/r10.vim')
| -rw-r--r-- | runtime/syntax/modula2/opt/r10.vim | 452 |
1 files changed, 452 insertions, 0 deletions
diff --git a/runtime/syntax/modula2/opt/r10.vim b/runtime/syntax/modula2/opt/r10.vim new file mode 100644 index 0000000..775f498 --- /dev/null +++ b/runtime/syntax/modula2/opt/r10.vim @@ -0,0 +1,452 @@ +" Vim syntax file +" Language: Modula-2 (R10) +" Maintainer: B.Kowarsch <trijezdci@moc.liamg> +" Last Change: 2020 June 18 (moved repository from bb to github) + +" ---------------------------------------------------- +" 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 +" * for the ISO dialect : m2iso.vim +" * for the R10 dialect : m2r10.vim (this file) + +" ----------------------------------------------------------------------------- +" This syntax description follows the Modula-2 Revision 2010 language report +" (Kowarsch and Sutcliffe, 2015) available at http://modula-2.info/m2r10. +" ----------------------------------------------------------------------------- + +" 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 R10 dialect is (*!m2r10*). It is recommended to put +" the tag immediately after the module header in the Modula-2 input file. +" +" Example: +" DEFINITION MODULE Foolib; (*!m2r10*) +" +" 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 'm2r10', the default dialect is R10. +" +" Variable g:modula2_r10_allow_lowline controls support for lowline in identifiers: +" if defined and set to a non-zero value, they are recognised, otherwise not +" +" Variables may be defined in Vim startup file .vimrc +" +" Examples: +" let g:modula2_default_dialect = 'm2r10' +" let g:modula2_r10_allow_lowline = 1 + + +if exists("b:current_syntax") + finish +endif + +" Modula-2 is case sensitive +syn case match + + +" ----------------------------------------------------------------------------- +" Reserved Words +" ----------------------------------------------------------------------------- +" Note: MODULE, PROCEDURE and END are defined separately further below +syn keyword modula2Resword ALIAS AND ARGLIST ARRAY BEGIN CASE CONST COPY DEFINITION +syn keyword modula2Resword DIV DO ELSE ELSIF EXIT FOR FROM GENLIB IF IMPLEMENTATION +syn keyword modula2Resword IMPORT IN LOOP MOD NEW NOT OF OPAQUE OR POINTER READ +syn keyword modula2Resword RECORD RELEASE REPEAT RETAIN RETURN SET THEN TO TYPE +syn keyword modula2Resword UNTIL VAR WHILE WRITE YIELD + + +" ----------------------------------------------------------------------------- +" Schroedinger's Tokens +" ----------------------------------------------------------------------------- +syn keyword modula2SchroedToken CAPACITY COROUTINE LITERAL + + +" ----------------------------------------------------------------------------- +" Builtin Constant Identifiers +" ----------------------------------------------------------------------------- +syn keyword modula2ConstIdent NIL FALSE TRUE + + +" ----------------------------------------------------------------------------- +" Builtin Type Identifiers +" ----------------------------------------------------------------------------- +syn keyword modula2TypeIdent BOOLEAN CHAR UNICHAR OCTET +syn keyword modula2TypeIdent CARDINAL LONGCARD INTEGER LONGINT REAL LONGREAL + + +" ----------------------------------------------------------------------------- +" Builtin Procedure and Function Identifiers +" ----------------------------------------------------------------------------- +syn keyword modula2ProcIdent APPEND INSERT REMOVE SORT SORTNEW +syn keyword modula2FuncIdent CHR ORD ODD ABS SGN MIN MAX LOG2 POW2 ENTIER +syn keyword modula2FuncIdent PRED SUCC PTR COUNT LENGTH + + +" ----------------------------------------------------------------------------- +" Builtin Macro Identifiers +" ----------------------------------------------------------------------------- +syn keyword modula2MacroIdent NOP TMIN TMAX TSIZE TLIMIT + + +" ----------------------------------------------------------------------------- +" Builtin Primitives +" ----------------------------------------------------------------------------- +syn keyword modula2PrimitiveIdent SXF VAL STORE VALUE SEEK SUBSET + + +" ----------------------------------------------------------------------------- +" Unsafe Facilities via Pseudo-Module UNSAFE +" ----------------------------------------------------------------------------- +syn keyword modula2UnsafeIdent UNSAFE BYTE WORD LONGWORD OCTETSEQ +syn keyword modula2UnsafeIdent ADD SUB INC DEC SETBIT HALT +syn keyword modula2UnsafeIdent ADR CAST BIT SHL SHR BWNOT BWAND BWOR + + +" ----------------------------------------------------------------------------- +" Non-Portable Language Extensions +" ----------------------------------------------------------------------------- +syn keyword modula2NonPortableIdent ASSEMBLER ASM REG + + +" ----------------------------------------------------------------------------- +" User Defined Identifiers +" ----------------------------------------------------------------------------- +syn match modula2Ident "[a-zA-Z][a-zA-Z0-9]*\(_\)\@!" +syn match modula2LowLineIdent "[a-zA-Z][a-zA-Z0-9]*\(_[a-zA-Z0-9]\+\)\+" + +syn match modula2ReswordDo "\(TO\)\@<!DO" +syn match modula2ReswordTo "TO\(\sDO\)\@!" + +" TODO: support for OpenVMS reswords and identifiers which may include $ and % + + +" ----------------------------------------------------------------------------- +" String Literals +" ----------------------------------------------------------------------------- +syn region modula2String start=/"/ end=/"/ oneline +syn region modula2String start="\(^\|\s\|[({=<>&#,]\|\[\)\@<='" end=/'/ oneline + + +" ----------------------------------------------------------------------------- +" Numeric Literals +" ----------------------------------------------------------------------------- +syn match modula2Base2Num "0b[01]\+\('[01]\+\)*" +syn match modula2Base16Num "0[ux][0-9A-F]\+\('[0-9A-F]\+\)*" + +"| *** VMSCRIPT BUG ALERT *** +"| The regular expression below causes errors when split into separate strings +"| +"| syn match modula2Base10Num +"| \ "\(\(0[bux]\@!\|[1-9]\)[0-9]*\('[0-9]\+\)*\)" . +"| \ "\(\.[0-9]\+\('[0-9]\+\)*\(e[+-]\?[0-9]\+\('[0-9]\+\)*\)\?\)\?" +"| +"| E475: Invalid argument: modula2Base10Num "\(\(0[bux]\@!\|[1-9]\)[0-9]*\('[0-9]\+\)*\)" +"| . "\(\.[0-9]\+\('[0-9]\+\)*\(e[+-]\?[0-9]\+\('[0-9]\+\)*\)\?\)\?" +"| +"| However, the same regular expression works just fine as a sole string. +"| +"| As a consequence, we have no choice but to put it all into a single line +"| which greatly diminishes readability and thereby increases the opportunity +"| for error during maintenance. Ideally, regular expressions should be split +"| into small human readable pieces with interleaved comments that explain +"| precisely what each piece is doing. Vimscript imposes poor design. :-( + +syn match modula2Base10Num + \ "\(\(0[bux]\@!\|[1-9]\)[0-9]*\('[0-9]\+\)*\)\(\.[0-9]\+\('[0-9]\+\)*\(e[+-]\?[0-9]\+\('[0-9]\+\)*\)\?\)\?" + + +" ----------------------------------------------------------------------------- +" Punctuation +" ----------------------------------------------------------------------------- +syn match modula2Punctuation + \ "\.\|[,:;]\|\*\|[/+-]\|\#\|[=<>&]\|\^\|\[\|\]\|(\(\*\)\@!\|[){}]" + + +" ----------------------------------------------------------------------------- +" Pragmas +" ----------------------------------------------------------------------------- +syn region modula2Pragma start="<\*" end="\*>" + \ contains = modula2PragmaKey, modula2TechDebtPragma +syn keyword modula2PragmaKey contained MSG IF ELSIF ELSE END INLINE NOINLINE OUT +syn keyword modula2PragmaKey contained GENERATED ENCODING ALIGN PADBITS NORETURN +syn keyword modula2PragmaKey contained PURITY SINGLEASSIGN LOWLATENCY VOLATILE +syn keyword modula2PragmaKey contained FORWARD ADDR FFI FFIDENT + +syn match modula2DialectTag "(\*!m2r10\(+[a-z0-9]\+\)\?\*)" + + +" ----------------------------------------------------------------------------- +" Line Comments +" ----------------------------------------------------------------------------- +syn region modula2Comment start=/^!/ end=/$/ oneline + + +" ----------------------------------------------------------------------------- +" Block Comments +" ----------------------------------------------------------------------------- +syn region modula2Comment + \ start="\(END\s\)\@<!(\*\(!m2r10\(+[a-z0-9]\+\)\?\*)\)\@!" end="\*)" + \ contains = modula2Comment, modula2CommentKey, modula2TechDebtMarker + +syn match modula2CommentKey + \ "[Aa]uthor[s]\?\|[Cc]opyright\|[Ll]icense\|[Ss]ynopsis" contained +syn match modula2CommentKey + \ "\([Pp]re\|[Pp]ost\|[Ee]rror\)\-condition[s]\?:" contained + + +" ----------------------------------------------------------------------------- +" Block Statement Tails +" ----------------------------------------------------------------------------- +syn match modula2ReswordEnd + \ "END" nextgroup = modula2StmtTailComment skipwhite +syn match modula2StmtTailComment + \ "(\*\s\(IF\|CASE\|FOR\|LOOP\|WHILE\)\s\*)" contained + + +" ----------------------------------------------------------------------------- +" Technical Debt Markers +" ----------------------------------------------------------------------------- +syn match modula2ToDoHeader "TO DO" + +syn match modula2ToDoTail + \ "END\(\s(\*\sTO DO\s\*)\)\@=" nextgroup = modula2ToDoTailComment skipwhite +syntax match modula2ToDoTailComment "(\*\sTO DO\s\*)" contained + +" contained within pragma +syn keyword modula2TechDebtPragma contained DEPRECATED + +" contained within comment +syn keyword modula2TechDebtMarker contained FIXME + + +" ----------------------------------------------------------------------------- +" Disabled Code Sections +" ----------------------------------------------------------------------------- +syn region modula2DisabledCode start="^?<" end="^>?" + + +" ----------------------------------------------------------------------------- +" Headers +" ----------------------------------------------------------------------------- +" !!! this section must be second last !!! + +" module header +syn match modula2ModuleHeader + \ "\(MODULE\|BLUEPRINT\)\( [A-Z][a-zA-Z0-9]*\)\?" + \ contains = modula2ReswordModule, modula2ReswordBlueprint, 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 + +" procedure, sole occurrence +syn match modula2ProcedureHeader + \ "PROCEDURE\(\s\[\|\s[a-zA-Z]\)\@!" contains = modula2ReswordProcedure + +" procedure header +syn match modula2ProcedureHeader + \ "PROCEDURE [a-zA-Z][a-zA-Z0-9]*\(_[a-zA-Z0-9]\+\)*" + \ contains = modula2ReswordProcedure, + \ modula2ProcedureIdent, modula2ProcedureLowlineIdent, modula2IllegalChar, modula2IllegalIdent + +" procedure binding to operator +syn match modula2ProcedureHeader + \ "PROCEDURE \[[+-\*/\\=<>]\] [a-zA-Z][a-zA-Z0-9]*\(_[a-zA-Z0-9]\+\)*" + \ contains = modula2ReswordProcedure, modula2Punctuation, + \ modula2ProcedureIdent, modula2ProcedureLowlineIdent, modula2IllegalChar, modula2IllegalIdent + +" procedure binding to builtin +syn match modula2ProcedureHeader + \ "PROCEDURE \[[A-Z]\+\(:\([#\*,]\|++\|--\)\?\)\?\] [a-zA-Z][a-zA-Z0-9]*\(_[a-zA-Z0-9]\+\)*" + \ contains = modula2ReswordProcedure, + \ modula2Punctuation, modula2Resword, modula2SchroedToken, + \ modula2ProcIdent, modula2FuncIdent, modula2PrimitiveIdent, + \ 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]*\(_[a-zA-Z0-9]\+\)*;$" + \ contains = modula2ReswordEnd, + \ modula2ProcedureIdent, modula2ProcedureLowLineIdent, + \ modula2Punctuation, modula2IllegalChar, modula2IllegalIdent + +syn keyword modula2ReswordModule contained MODULE +syn keyword modula2ReswordBlueprint contained BLUEPRINT +syn keyword modula2ReswordProcedure contained PROCEDURE +syn keyword modula2ReswordEnd contained END + + +" ----------------------------------------------------------------------------- +" Illegal Symbols +" ----------------------------------------------------------------------------- +" !!! this section must be last !!! + +" any '`' '~' '@' '$' '%' +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 modula2PrimitiveIdentStyle 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 modula2PragmaKeyStyle 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 modula2HeaderIdentStyle +highlight default link modula2ModuleTail Normal +highlight default link modula2ProcedureHeader Normal +highlight default link modula2ProcedureTail Normal + +" lowline identifiers are rendered as errors if g:modula2_r10_allow_lowline is unset +if exists("g:modula2_r10_allow_lowline") + if g:modula2_r10_allow_lowline != 0 + highlight default link modula2ProcedureLowlineIdent modula2HeaderIdentStyle + else + highlight default link modula2ProcedureLowlineIdent Error + endif +else + highlight default link modula2ProcedureLowlineIdent modula2HeaderIdentStyle +endif + +" reserved words +highlight default link modula2Resword modula2ReswordStyle +highlight default link modula2ReswordModule modula2ReswordStyle +highlight default link modula2ReswordProcedure modula2ReswordStyle +highlight default link modula2ReswordEnd modula2ReswordStyle +highlight default link modula2ReswordDo modula2ReswordStyle +highlight default link modula2ReswordTo modula2ReswordStyle +highlight default link modula2SchroedToken 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 +highlight default link modula2PrimitiveIdent modula2PrimitiveIdentStyle + +" 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_r10_allow_lowline is unset +if exists("g:modula2_r10_allow_lowline") + if g:modula2_r10_allow_lowline != 0 + highlight default link modula2LowLineIdent modula2UserDefIdentStyle + else + highlight default link modula2LowLineIdent Error + endif +else + highlight default link modula2LowLineIdent modula2UserDefIdentStyle +endif + +" literals +highlight default link modula2String modula2StringLiteralStyle +highlight default link modula2Base2Num modula2NumericLiteralStyle +highlight default link modula2Base10Num modula2NumericLiteralStyle +highlight default link modula2Base16Num modula2NumericLiteralStyle + +" punctuation +highlight default link modula2Punctuation modula2PunctuationStyle + +" pragmas +highlight default link modula2Pragma modula2PragmaStyle +highlight default link modula2PragmaKey modula2PragmaKeyStyle +highlight default link modula2DialectTag modula2DialectTagStyle + +" comments +highlight default link modula2Comment modula2CommentStyle +highlight default link modula2CommentKey modula2CommentKeyStyle +highlight default link modula2ToDoTailComment modula2CommentStyle +highlight default link modula2StmtTailComment modula2CommentStyle + +" technical debt markers +highlight default link modula2ToDoHeader modula2TechDebtMarkerStyle +highlight default link modula2ToDoTail modula2TechDebtMarkerStyle +highlight default link modula2TechDebtPragma 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 |