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" ninja build file syntax.
" Language: ninja build file as described at
" http://martine.github.com/ninja/manual.html
" Version: 1.0
" Last Change: 2012 Jan 04
" Maintainer: Nicolas Weber <nicolasweber@gmx.de>
" ninja lexer and parser are at
" https://github.com/martine/ninja/blob/master/src/lexer.in.cc
" https://github.com/martine/ninja/blob/master/src/parsers.cc
if exists("b:current_syntax")
finish
endif
syn case match
" Toplevel statements are the ones listed here and
" toplevel variable assignments (ident '=' value).
" lexer.in.cc, ReadToken() and parsers.cc, Parse()
syn match ninjaKeyword "^build\>"
syn match ninjaKeyword "^rule\>"
syn match ninjaKeyword "^default\>"
syn match ninjaKeyword "^include\>"
syn match ninjaKeyword "^subninja\>"
" Both 'build' and 'rule' begin a variable scope that ends
" on the first line without indent. 'rule' allows only a
" limited set of magic variables, 'build' allows general
" let assignments.
" parsers.cc, ParseRule()
syn region ninjaRule start="^rule" end="^\ze\S" contains=ALL transparent
syn keyword ninjaRuleCommand contained command depfile description generator restat
" Strings are parsed as follows:
" lexer.in.cc, ReadEvalString()
" simple_varname = [a-zA-Z0-9_-]+;
" varname = [a-zA-Z0-9_.-]+;
" $$ -> $
" $\n -> line continuation
" '$ ' -> escaped space
" $simple_varname -> variable
" ${varname} -> variable
syn match ninjaWrapLineOperator "\$$"
syn match ninjaSimpleVar "\$[a-zA-Z0-9_-]\+"
syn match ninjaVar "\${[a-zA-Z0-9_.-]\+}"
" operators are:
" variable assignment =
" rule definition :
" implicit dependency |
" order-only dependency ||
syn match ninjaOperator "\(=\|:\||\|||\)\ze\s"
hi def link ninjaKeyword Keyword
hi def link ninjaRuleCommand Statement
hi def link ninjaWrapLineOperator ninjaOperator
hi def link ninjaOperator Operator
hi def link ninjaSimpleVar ninjaVar
hi def link ninjaVar Identifier
let b:current_syntax = "ninja"
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