%YAML 1.2
---
# http://www.sublimetext.com/docs/3/syntax.html
name: C
file_extensions:
  - c
  - h
first_line_match: "-[*]-( Mode:)? C -[*]-"
scope: source.c

variables:
  identifier: '\b[[:alpha:]_][[:alnum:]_]*\b'
  control_keywords: 'break|case|continue|default|do|else|for|goto|if|_Pragma|return|switch|while'
  basic_types: 'asm|__asm__|auto|bool|_Bool|char|_Complex|double|float|_Imaginary|int|long|short|signed|unsigned|void'
  before_tag: 'struct|union|enum'
  microsoft_types: '__int8|__int16|__int32|__int64'
  windows_types: 'APIENTRY|ATOM|BOOL|BOOLEAN|BYTE|CALLBACK|CCHAR|CHAR|COLORREF|CONST|DWORD|DWORDLONG|DWORD_PTR|DWORD32|DWORD64|FLOAT|HACCEL|HALF_PTR|HANDLE|HBITMAP|HBRUSH|HCOLORSPACE|HCONV|HCONVLIST|HCURSOR|HDC|HDDEDATA|HDESK|HDROP|HDWP|HENHMETAFILE|HFILE|HFONT|HGDIOBJ|HGLOBAL|HHOOK|HICON|HINSTANCE|HKEY|HKL|HLOCAL|HMENU|HMETAFILE|HMODULE|HMONITOR|HPALETTE|HPEN|HRESULT|HRGN|HRSRC|HSZ|HWINSTA|HWND|INT|INT_PTR|INT8|INT16|INT32|INT64|LANGID|LCID|LCTYPE|LGRPID|LONG|LONGLONG|LONG_PTR|LONG32|LONG64|LPARAM|LPBOOL|LPBYTE|LPCOLORREF|LPCSTR|LPCTSTR|LPCVOID|LPCWSTR|LPDWORD|LPHANDLE|LPINT|LPLONG|LPSTR|LPTSTR|LPVOID|LPWORD|LPWSTR|LRESULT|PBOOL|PBOOLEAN|PBYTE|PCHAR|PCSTR|PCTSTR|PCWSTR|PDWORD|PDWORDLONG|PDWORD_PTR|PDWORD32|PDWORD64|PFLOAT|PHALF_PTR|PHANDLE|PHKEY|PINT|PINT_PTR|PINT8|PINT16|PINT32|PINT64|PLCID|PLONG|PLONGLONG|PLONG_PTR|PLONG32|PLONG64|POINTER_32|POINTER_64|POINTER_SIGNED|POINTER_UNSIGNED|PSHORT|PSIZE_T|PSSIZE_T|PSTR|PTBYTE|PTCHAR|PTSTR|PUCHAR|PUHALF_PTR|PUINT|PUINT_PTR|PUINT8|PUINT16|PUINT32|PUINT64|PULONG|PULONGLONG|PULONG_PTR|PULONG32|PULONG64|PUSHORT|PVOID|PWCHAR|PWORD|PWSTR|QWORD|SC_HANDLE|SC_LOCK|SERVICE_STATUS_HANDLE|SHORT|SIZE_T|SSIZE_T|TBYTE|TCHAR|UCHAR|UHALF_PTR|UINT|UINT_PTR|UINT8|UINT16|UINT32|UINT64|ULONG|ULONGLONG|ULONG_PTR|ULONG32|ULONG64|UNICODE_STRING|USHORT|USN|VOID|WCHAR|WINAPI|WORD|WPARAM'
  stdint: 'int8_t|int16_t|int32_t|int64_t|uint8_t|uint16_t|uint32_t|uint64_t|int_least8_t|int_least16_t|int_least32_t|int_least64_t|uint_least8_t|uint_least16_t|uint_least32_t|uint_least64_t|int_fast8_t|int_fast16_t|int_fast32_t|int_fast64_t|uint_fast8_t|uint_fast16_t|uint_fast32_t|uint_fast64_t|intptr_t|uintptr_t|intmax_t|intmax_t|uintmax_t|uintmax_t'
  declspec: '__declspec\(\s*\w+(?:\([^)]+\))?\s*\)'
  storage_classes: 'static|extern|register|{{declspec}}'
  type_qualifier: 'const|volatile'
  compiler_directive: 'inline|restrict|__restrict__|__restrict'
  modifiers: '{{storage_classes}}|{{type_qualifier}}|{{compiler_directive}}'
  non_func_keywords: 'if|for|switch|while|decltype|sizeof|__declspec|__attribute__'

contexts:
  main:
    - include: preprocessor-global
    - include: global

  #############################################################################
  # Reusable contexts
  #
  # The follow contexts are currently constructed to be reused in the C++
  # syntax. They are specifically constructed to not push into sub-contexts,
  # which ensures that C++ code isn't accidentally lexed as plain C. They also
  # should not use the {{identifier}} variable since that is different for C++.
  #############################################################################

  comments:
    - match: ^/\* =(\s*.*?)\s*= \*/$\n?
      scope: comment.block.c
      captures:
        1: meta.toc-list.banner.block.c
    - match: /\*
      scope: punctuation.definition.comment.c
      push:
        - meta_scope: comment.block.c
        - match: \*/
          scope: punctuation.definition.comment.c
          pop: true
    - match: \*/(?!\*)
      scope: invalid.illegal.stray-comment-end.c
    - match: ^// =(\s*.*?)\s*=\s*$\n?
      scope: comment.line.banner.c
      captures:
        1: meta.toc-list.banner.line.c
    - match: //
      scope: punctuation.definition.comment.c
      push:
        - meta_scope: comment.line.double-slash.c
        - match: '(\\)$\n'
          captures:
            1: punctuation.separator.continuation.c
        - match: \n
          pop: true

  strings:
    - match: '(L|u8|u|U)?(")'
      captures:
        1: storage.type.string.c
        2: punctuation.definition.string.begin.c
      push:
        - meta_scope: string.quoted.double.c
        - match: '"'
          scope: punctuation.definition.string.end.c
          pop: true
        - include: string_escaped_char
        - include: string_placeholder
    - match: "(L|u8|u|U)?(')"
      captures:
        1: storage.type.string.c
        2: punctuation.definition.string.begin.c
      push:
        - meta_scope: string.quoted.single.c
        - match: "'"
          scope: punctuation.definition.string.end.c
          pop: true
        - include: string_escaped_char

  string_escaped_char:
    - match: '(\\)$\n'
      captures:
        1: punctuation.separator.continuation.c
    - match: \\(?:\\|[abefnrtv\'"?]|[0-3][0-9]{0,2}|[4-7][0-9]?|x[a-fA-F0-9]+|u[a-fA-F0-9]{4}|U[a-fA-F0-9]{8})
      scope: constant.character.escape.c
    - match: \\.
      scope: invalid.illegal.unknown-escape.c

  string_placeholder:
    - match: |-
        (?x)%
          (\d+\$)?                                      # field (argument #)
          [#0\- +']*                                    # flags
          [,;:_]?                                       # separator character (AltiVec)
          ((-?\d+)|\*(-?\d+\$)?)?                       # minimum field width
          (\.((-?\d+)|\*(-?\d+\$)?)?)?                  # precision
          (hh|h|ll|l|j|t|z|q|L|vh|vl|v|hv|hl)?          # length modifier
          (\[[^\]]+\]|[am]s|[diouxXDOUeEfFgGaACcSspn%]) # conversion type
      scope: constant.other.placeholder.c

  keywords:
    - match: \b({{control_keywords}})\b
      scope: keyword.control.c
    - match: \bsizeof\b
      scope: keyword.operator.word.c

  modifiers:
    - match: \b({{modifiers}})\b
      scope: storage.modifier.c

  variables:
    - match: '\bg[A-Z]\w*\b'
      scope: variable.other.readwrite.global.mac-classic.c
    - match: '\bs[A-Z]\w*\b'
      scope: variable.other.readwrite.static.mac-classic.c

  constants:
    - match: \b(__func__|NULL|true|false|TRUE|FALSE)\b
      scope: constant.language.c
    - match: \b(__FILE__|__FUNCTION__|__LINE__)\b
      scope: support.constant.c
    # common C constant naming idiom -- kConstantVariable
    - match: '\bk[A-Z]\w*\b'
      scope: constant.other.variable.mac-classic.c
    - match: \b(noErr|kNilOptions|kInvalidID|kVariableLengthArray)\b
      scope: support.constant.mac-classic.c

  c99:
    - match: \b(hypot(f|l)?|s(scanf|ystem|nprintf|ca(nf|lb(n(f|l)?|ln(f|l)?))|i(n(h(f|l)?|f|l)?|gn(al|bit))|tr(s(tr|pn)|nc(py|at|mp)|c(spn|hr|oll|py|at|mp)|to(imax|d|u(l(l)?|max)|k|f|l(d|l)?)|error|pbrk|ftime|len|rchr|xfrm)|printf|et(jmp|vbuf|locale|buf)|qrt(f|l)?|w(scanf|printf)|rand)|n(e(arbyint(f|l)?|xt(toward(f|l)?|after(f|l)?))|an(f|l)?)|c(s(in(h(f|l)?|f|l)?|qrt(f|l)?)|cos(h(f)?|f|l)?|imag(f|l)?|t(ime|an(h(f|l)?|f|l)?)|o(s(h(f|l)?|f|l)?|nj(f|l)?|pysign(f|l)?)|p(ow(f|l)?|roj(f|l)?)|e(il(f|l)?|xp(f|l)?)|l(o(ck|g(f|l)?)|earerr)|a(sin(h(f|l)?|f|l)?|cos(h(f|l)?|f|l)?|tan(h(f|l)?|f|l)?|lloc|rg(f|l)?|bs(f|l)?)|real(f|l)?|brt(f|l)?)|t(ime|o(upper|lower)|an(h(f|l)?|f|l)?|runc(f|l)?|gamma(f|l)?|mp(nam|file))|i(s(space|n(ormal|an)|cntrl|inf|digit|u(nordered|pper)|p(unct|rint)|finite|w(space|c(ntrl|type)|digit|upper|p(unct|rint)|lower|al(num|pha)|graph|xdigit|blank)|l(ower|ess(equal|greater)?)|al(num|pha)|gr(eater(equal)?|aph)|xdigit|blank)|logb(f|l)?|max(div|abs))|di(v|fftime)|_Exit|unget(c|wc)|p(ow(f|l)?|ut(s|c(har)?|wc(har)?)|error|rintf)|e(rf(c(f|l)?|f|l)?|x(it|p(2(f|l)?|f|l|m1(f|l)?)?))|v(s(scanf|nprintf|canf|printf|w(scanf|printf))|printf|f(scanf|printf|w(scanf|printf))|w(scanf|printf)|a_(start|copy|end|arg))|qsort|f(s(canf|e(tpos|ek))|close|tell|open|dim(f|l)?|p(classify|ut(s|c|w(s|c))|rintf)|e(holdexcept|set(e(nv|xceptflag)|round)|clearexcept|testexcept|of|updateenv|r(aiseexcept|ror)|get(e(nv|xceptflag)|round))|flush|w(scanf|ide|printf|rite)|loor(f|l)?|abs(f|l)?|get(s|c|pos|w(s|c))|re(open|e|ad|xp(f|l)?)|m(in(f|l)?|od(f|l)?|a(f|l|x(f|l)?)?))|l(d(iv|exp(f|l)?)|o(ngjmp|cal(time|econv)|g(1(p(f|l)?|0(f|l)?)|2(f|l)?|f|l|b(f|l)?)?)|abs|l(div|abs|r(int(f|l)?|ound(f|l)?))|r(int(f|l)?|ound(f|l)?)|gamma(f|l)?)|w(scanf|c(s(s(tr|pn)|nc(py|at|mp)|c(spn|hr|oll|py|at|mp)|to(imax|d|u(l(l)?|max)|k|f|l(d|l)?|mbs)|pbrk|ftime|len|r(chr|tombs)|xfrm)|to(b|mb)|rtomb)|printf|mem(set|c(hr|py|mp)|move))|a(s(sert|ctime|in(h(f|l)?|f|l)?)|cos(h(f|l)?|f|l)?|t(o(i|f|l(l)?)|exit|an(h(f|l)?|2(f|l)?|f|l)?)|b(s|ort))|g(et(s|c(har)?|env|wc(har)?)|mtime)|r(int(f|l)?|ound(f|l)?|e(name|alloc|wind|m(ove|quo(f|l)?|ainder(f|l)?))|a(nd|ise))|b(search|towc)|m(odf(f|l)?|em(set|c(hr|py|mp)|move)|ktime|alloc|b(s(init|towcs|rtowcs)|towc|len|r(towc|len))))\b
      scope: support.function.C99.c

  types:
    - match: \b({{basic_types}}|{{before_tag}})\b
      scope: storage.type.c
    - match: \b(u_char|u_short|u_int|u_long|ushort|uint|u_quad_t|quad_t|qaddr_t|caddr_t|daddr_t|dev_t|fixpt_t|blkcnt_t|blksize_t|gid_t|in_addr_t|in_port_t|ino_t|key_t|mode_t|nlink_t|id_t|pid_t|off_t|segsz_t|swblk_t|uid_t|id_t|clock_t|size_t|ssize_t|time_t|useconds_t|suseconds_t|ptrdiff_t)\b
      scope: support.type.sys-types.c
    - match: \b(pthread_attr_t|pthread_cond_t|pthread_condattr_t|pthread_mutex_t|pthread_mutexattr_t|pthread_once_t|pthread_rwlock_t|pthread_rwlockattr_t|pthread_t|pthread_key_t)\b
      scope: support.type.pthread.c
    - match: \b({{stdint}})\b
      scope: support.type.stdint.c
    - match: '\b({{microsoft_types}})\b'
      scope: support.type.microsoft.c
    - match: '\b({{windows_types}})\b'
      scope: support.type.windows.c
    - match: \b(AbsoluteTime|Boolean|Byte|ByteCount|ByteOffset|BytePtr|CompTimeValue|ConstLogicalAddress|ConstStrFileNameParam|ConstStringPtr|Duration|Fixed|FixedPtr|Float32|Float32Point|Float64|Float80|Float96|FourCharCode|Fract|FractPtr|Handle|ItemCount|LogicalAddress|OptionBits|OSErr|OSStatus|OSType|OSTypePtr|PhysicalAddress|ProcessSerialNumber|ProcessSerialNumberPtr|ProcHandle|Ptr|ResType|ResTypePtr|ShortFixed|ShortFixedPtr|SignedByte|SInt16|SInt32|SInt64|SInt8|Size|StrFileName|StringHandle|StringPtr|TimeBase|TimeRecord|TimeScale|TimeValue|TimeValue64|UInt16|UInt32|UInt64|UInt8|UniChar|UniCharCount|UniCharCountPtr|UniCharPtr|UnicodeScalarValue|UniversalProcHandle|UniversalProcPtr|UnsignedFixed|UnsignedFixedPtr|UnsignedWide|UTF16Char|UTF32Char|UTF8Char)\b
      scope: support.type.mac-classic.c

  numbers:
    - match: '\b((0(x|X)[0-9a-fA-F]*(\.[0-9a-fA-F]+p-?\d+)?)|(([0-9]+\.?[0-9]*)|(\.[0-9]+))((e|E)(\+|-)?[0-9]+)?)([fF]|(l{1,2}|L{1,2})[uU]?|[uU](l{0,2}|L{0,2}))?\b'
      scope: constant.numeric.c

  operators:
    - match: '->'
      scope: punctuation.accessor.c
    - match: \+\=|-\=|\*\=|/\=|%\=|&\=|\|\=|\^\=|>>\=|<<\=
      scope: keyword.operator.assignment.augmented.c
    - match: \+|\-|/|%|<<|>>|&&|\|\||\||\^|~|!
      scope: keyword.operator.arithmetic.c
    - match: <\=|>\=|\=\=|<|>|\!\=
      scope: keyword.operator.comparison.c
    # These two operator can be both arithmetic and pointer/address related
    - match: \*|&
      scope: keyword.operator.c
    - match: \=
      scope: keyword.operator.assignment.c
    # Negative lookahead prevents match :: when included in C++
    - match: '\?|:(?!:)'
      scope: keyword.operator.ternary.c
    - match: '\.\.\.'
      scope: keyword.operator.variadic.c

  access:
    - match: '(\.)({{identifier}})(?!\s*\()'
      captures:
        1: punctuation.accessor.c
        2: variable.other.member.c

  label:
    - match: '^\s*((?!default){{identifier}})(:)(?!:)'
      captures:
        1: entity.name.label.c
        2: punctuation.separator.c

  preprocessor-disabled:
    - match: ^\s*(#\s*if(n?def)?)\b
      captures:
        1: meta.preprocessor.c
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.c
          pop: true
        - include: preprocessor-disabled
        - include: pragma-mark
    - include: pragma-mark

  preprocessor-line-continuation:
    - match: '(\\)$\n'
      captures:
        1: punctuation.separator.continuation.c
    - match: \\(\s+?)$
      captures:
        1: invalid.illegal.space-after-continuation.c

  preprocessor-line-ending:
    - match: $\n
      pop: true

  # Comment handling in preprocessor directives are complicated by the fact
  # that a single-line comment will normally consume the newline to prevent
  # completions from being presented to the user. Additionally, a multi-line
  # comment without a line continuation ends at the newline.
  preprocessor-comments:
    - match: /\*
      scope: punctuation.definition.comment.c
      push:
        - meta_scope: comment.block.c
        - match: '\\$\n'
          scope: punctuation.separator.continuation.c
        - match: \*/
          scope: punctuation.definition.comment.c
          pop: true
    - match: //
      scope: punctuation.definition.comment.c
      push:
        - meta_scope: comment.line.double-slash.c
        - match: '(\\)$\n'
          captures:
            1: punctuation.separator.continuation.c
          pop: true
        - match: (?=\n)
          pop: true

  pragma-mark:
    - match: ^\s*((#\s*pragma\s+mark)\s+(.*))
      scope: meta.section.c
      captures:
        1: meta.preprocessor.c
        2: keyword.control.import.pragma.c
        3: meta.toc-list.pragma-mark.c

  # Used by "inc" snippets to prevent double ##include
  incomplete-inc:
    - match: '^\s*(#i(nc?)?)\b\s*'
      scope: meta.preprocessor.incomplete.c

  #############################################################################
  # The following are C-specific scopes that should not be reused. This is
  # because they push into subcontexts and use variables that are C-specific.
  #############################################################################

  global:
    - include: early-expressions
    - match: '^\s*(?=\w+)'
      push: global-modifier
    - include: late-expressions

  statements:
    - include: preprocessor-statements
    - include: label
    - include: expressions

  expressions:
    - include: early-expressions
    - include: late-expressions

  early-expressions:
    - include: preprocessor-expressions
    - include: comments
    - include: case-default
    - include: access
    - include: typedef
    - include: keywords-parens
    - include: keywords
    - include: numbers
    - include: operators
    - include: strings
    - include: parens
    - include: brackets
    - include: block
    - include: variables
    - include: constants
    - match: ','
      scope: punctuation.separator.c
    - match: '\)|\}'
      scope: invalid.illegal.stray-bracket-end.c

  late-expressions:
    - include: modifiers-parens
    - include: modifiers
    - include: types
    - include: function-call
    - match: ';'
      scope: punctuation.terminator.c

  ## C-specific contexts

  global-modifier:
    - include: comments
    - include: modifiers-parens
    - include: modifiers
    - match: '(?=\S)'
      set: global-type

  global-type:
    - include: comments
    - match: \*
      scope: keyword.operator.c
    # If a struct/union/enum followed by a name that is not a macro or declspec
    # then this is likely a return type of a function. This is uncommon.
    - match: |-
        (?x:
          ({{before_tag}})
          \s+
          (?=
            (?![[:upper:][:digit:]_]+\b|__declspec)
            {{identifier}}
            (\s+{{identifier}}(?!\s*[{=;])|\s*\*+)
          )
        )
      captures:
        1: storage.type.c
      set: global-maybe-function
    # The previous match handles return types of struct/enum/etc from a func,
    # there this one exits the context to allow matching an actual struct/union
    - match: '(?=\b({{before_tag}})\b)'
      set: data-structures
    - match: '(?=\b({{control_keywords}})\b)'
      pop: true
    - match: '(?=\s)'
      set: global-maybe-function
    # Allow a macro call
    - match: '({{identifier}})\s*(\()(?=[^\)]+\))'
      captures:
        1: variable.function.c
        2: meta.group.c punctuation.section.group.begin.c
      push:
        - meta_scope: meta.function-call.c
        - meta_content_scope: meta.group.c
        - match: '\)'
          scope: meta.group.c punctuation.section.group.end.c
          pop: true
        - include: expressions
    - match: (?={{identifier}}\s*\()
      set:
        - include: function-call
        - match: ''
          pop: true
    - include: types
    - match: '{{identifier}}'
    - match: (?=\W)
      pop: true

  global-maybe-function:
    - include: comments
    # Consume pointer info, macros and any type info that was offset by macros
    - match: \*
      scope: keyword.operator.c
    - include: types
    - include: modifiers-parens
    - include: modifiers
    # All uppercase identifier just before a newline is most likely a macro
    - match: '[[:upper:][:digit:]_]+\s*$'
    # Identifier that is not the function name - likely a macro
    - match: '{{identifier}}(?!\s*(\(|$))(?=\s+)'
    # Real function definition
    - match: '{{identifier}}(?=\s*(\(|$))'
      scope: meta.function.c entity.name.function.c
      set: function-definition-params
    - match: '(?=\S)'
      pop: true

  function-definition-params:
    - meta_content_scope: meta.function.c
    - include: comments
    - match: '(?=\()'
      set:
        - match: \(
          scope: meta.function.parameters.c meta.group.c punctuation.section.group.begin.c
          set:
            - meta_content_scope: meta.function.parameters.c meta.group.c
            - match : \)
              scope: punctuation.section.group.end.c
              set: function-definition-continue
            - match: '\bvoid\b'
              scope: storage.type.c
            - match: '{{identifier}}(?=\s*(\[|,|\)))'
              scope: variable.parameter.c
            - include: expressions
    - match: (?=\S)
      pop: true

  function-definition-continue:
    - meta_content_scope: meta.function.c
    - include: comments
    - match: '(?=;)'
      pop: true
    - match: \b(const|final|noexcept|override)\b
      scope: storage.modifier.c
    - match: '(?=\{)'
      set: function-definition-body
    - match: '(?=\S)'
      pop: true

  function-definition-body:
    - meta_content_scope: meta.function.c
    - match: '\{'
      scope: meta.block.c punctuation.section.block.begin.c
      set:
        - meta_content_scope: meta.function.c meta.block.c
        - match: '\}'
          scope: meta.function.c meta.block.c punctuation.section.block.end.c
          pop: true
        - match: (?=^\s*#\s*(elif|else|endif)\b)
          pop: true
        - match: '(?=({{before_tag}})([^(;]+$|.*\{))'
          push: data-structures
        - include: statements

  data-structures:
    # Detect variable type definitions using struct/enum/union followed by a tag
    - match: '\b({{before_tag}})(?=\s+{{identifier}}\s+{{identifier}}\s*[=;\[])'
      scope: storage.type.c
    - match: '\bstruct\b'
      scope: storage.type.c
      set: data-structures-struct-definition
    - match: '\benum\b'
      scope: storage.type.c
      set: data-structures-enum-definition
    - match: '\bunion\b'
      scope: storage.type.c
      set: data-structures-union-definition
    - match: '(?=\S)'
      pop: true

  data-structures-struct-definition:
    - meta_scope: meta.struct.c
    - include: data-structures-definition-common-begin
    - match: '{{identifier}}(?=\s*;)'
      scope: entity.name.struct.forward-decl.c
    - match: '{{identifier}}'
      scope: entity.name.struct.c
    - match: '(?=;)'
      pop: true
    - match: '\{'
      scope: meta.block.c punctuation.section.block.begin.c
      set:
        - meta_content_scope: meta.struct.c meta.block.c
        - match: '\}'
          scope: meta.struct.c meta.block.c punctuation.section.block.end.c
          pop: true
        - include: data-structures-body

  data-structures-enum-definition:
    - meta_scope: meta.enum.c
    - include: data-structures-definition-common-begin
    - match: '{{identifier}}(?=\s*;)'
      scope: entity.name.enum.forward-decl.c
    - match: '{{identifier}}'
      scope: entity.name.enum.c
    - match: '(?=;)'
      pop: true
    - match: '\{'
      scope: meta.block.c punctuation.section.block.begin.c
      set:
        - meta_content_scope: meta.enum.c meta.block.c
        # Enums don't support methods so we have a simplified body
        - match: '\}'
          scope: meta.enum.c meta.block.c punctuation.section.block.end.c
          pop: true
        - include: data-structures-body

  data-structures-union-definition:
    - meta_scope: meta.union.c
    - include: data-structures-definition-common-begin
    - match: '{{identifier}}(?=\s*;)'
      scope: entity.name.union.forward-decl.c
    - match: '{{identifier}}'
      scope: entity.name.union.c
    - match: '(?=;)'
      pop: true
    - match: '\{'
      scope: meta.block.c punctuation.section.block.begin.c
      set:
        - meta_content_scope: meta.union.c meta.block.c
        - match: '\}'
          scope: meta.union.c meta.block.c punctuation.section.block.end.c
          pop: true
        - include: data-structures-body

  data-structures-definition-common-begin:
    - include: comments
    - match: '(?=\b(?:{{before_tag}}|{{control_keywords}})\b)'
      pop: true
    - include: modifiers-parens
    - include: modifiers
    # Handle macros so they aren't matched as the class name
    - match: '\b[[:upper:][:digit:]_]+\b'

  data-structures-definition-common-end:
    - match: '(?=;)'
      pop: true

  data-structures-body:
    - include: preprocessor-data-structures
    - match: '(?={{before_tag}})'
      push: data-structures
    - include: expressions

  block:
    - match: '\{'
      scope: punctuation.section.block.begin.c
      push:
        - meta_scope: meta.block.c
        - match: (?=^\s*#\s*(elif|else|endif)\b)
          pop: true
        - match: '\}'
          scope: punctuation.section.block.end.c
          pop: true
        - include: statements

  parens:
    - match: \(
      scope: punctuation.section.group.begin.c
      push:
        - meta_scope: meta.group.c
        - match: \)
          scope: punctuation.section.group.end.c
          pop: true
        - include: expressions

  brackets:
    - match: \[
      scope: punctuation.section.brackets.begin.c
      push:
        - meta_scope: meta.brackets.c
        - match: \]
          scope: punctuation.section.brackets.end.c
          pop: true
        - include: expressions

  case-default:
    - match: '\b(default|case)\b'
      scope: keyword.control.c
      push:
        - match: ':'
          scope: punctuation.separator.c
          pop: true
        - include: expressions

  modifiers-parens:
    - match: \b(__attribute__)\s*(\(\()
      captures:
        1: storage.modifier.c
        2: meta.group.c punctuation.section.group.begin.c
      push :
        - meta_scope: meta.attribute.c
        - meta_content_scope: meta.group.c
        - include: parens
        - include: strings
        - match: \)\)
          scope: meta.group.c punctuation.section.group.end.c
          pop: true
    - match: \b(__declspec)(\()
      captures:
        1: storage.modifier.c
        2: meta.group.c punctuation.section.group.begin.c
      push:
        - meta_content_scope: meta.group.c
        - match: '\)'
          scope: meta.group.c punctuation.section.group.end.c
          pop: true
        - match: '\b(align|allocate|code_seg|property|uuid)\b\s*(\()'
          captures:
            1: storage.modifier.c
            2: meta.group.c punctuation.section.group.begin.c
          push:
            - meta_content_scope: meta.group.c
            - match: '\)'
              scope: meta.group.c punctuation.section.group.end.c
              pop: true
            - include: numbers
            - include: strings
            - match: \b(get|put)\b
              scope: variable.parameter.c
            - match: ','
              scope: punctuation.separator.c
            - match: '='
              scope: keyword.operator.assignment.c
        - match: '\b(appdomain|deprecated|dllimport|dllexport|jintrinsic|naked|noalias|noinline|noreturn|nothrow|novtable|process|restrict|safebuffers|selectany|thread)\b'
          scope: constant.other.c

  keywords-parens:
    - match: '\b(sizeof)\b\s*(\()'
      captures:
        1: keyword.operator.word.c
        2: meta.group.c punctuation.section.group.begin.c
      push:
        - meta_content_scope: meta.group.c
        - match: '\)'
          scope: meta.group.c punctuation.section.group.end.c
          pop: true
        - include: expressions

  typedef:
    - match: \btypedef\b
      scope: storage.type.c
      push:
        - match: ({{identifier}})?\s*(?=;)
          captures:
            1: entity.name.type.typedef.c
          pop: true
        - match: \b(struct)\s+({{identifier}})
          captures:
            1: storage.type.c
        - include: expressions

  function-call:
    - match: (?={{identifier}}\s*\()
      push:
        - meta_content_scope: meta.function-call.c
        - include: c99
        - match: '{{identifier}}'
          scope: variable.function.c
        - match: '\('
          scope: meta.group.c punctuation.section.group.begin.c
          set:
            - meta_content_scope: meta.function-call.c meta.group.c
            - match : \)
              scope: meta.function-call.c meta.group.c punctuation.section.group.end.c
              pop: true
            - include: expressions

  ## Preprocessor for data-structures

  preprocessor-data-structures:
    - include: preprocessor-rule-enabled-data-structures
    - include: preprocessor-rule-disabled-data-structures

  preprocessor-rule-disabled-data-structures:
    - match: ^\s*((#if)\s+(0))\b
      captures:
        1: meta.preprocessor.c
        2: keyword.control.import.c
        3: constant.numeric.preprocessor.c
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.c keyword.control.import.c
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.c keyword.control.import.else.c
          push:
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: negated-block
            - include: data-structures-body
        - match: ""
          push:
            - meta_scope: comment.block.preprocessor.if-branch.c
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: preprocessor-disabled

  preprocessor-rule-enabled-data-structures:
    - match: ^\s*((#if)\s+(0*1))\b
      captures:
        1: meta.preprocessor.c
        2: keyword.control.import.c
        3: constant.numeric.preprocessor.c
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.c keyword.control.import.c
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.c keyword.control.import.else.c
          push:
            - meta_content_scope: comment.block.preprocessor.else-branch.c
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: preprocessor-disabled
        - match: ""
          push:
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: negated-block
            - include: data-structures-body

  ## Preprocessor for global

  preprocessor-global:
    - include: preprocessor-rule-enabled-global
    - include: preprocessor-rule-disabled-global
    - include: preprocessor-rule-other-global

  preprocessor-statements:
    - include: preprocessor-rule-enabled-statements
    - include: preprocessor-rule-disabled-statements
    - include: preprocessor-rule-other-statements

  preprocessor-expressions:
    - include: incomplete-inc
    - include: preprocessor-macro-define
    - include: pragma-mark
    - include: preprocessor-other

  preprocessor-rule-disabled-global:
    - match: ^\s*((#if)\s+(0))\b
      captures:
        1: meta.preprocessor.c
        2: keyword.control.import.c
        3: constant.numeric.preprocessor.c
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.c keyword.control.import.c
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.c keyword.control.import.else.c
          push:
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: preprocessor-global
            - include: negated-block
            - include: global
        - match: ""
          push:
            - meta_scope: comment.block.preprocessor.if-branch.c
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: preprocessor-disabled

  preprocessor-rule-enabled-global:
    - match: ^\s*((#if)\s+(0*1))\b
      captures:
        1: meta.preprocessor.c
        2: keyword.control.import.c
        3: constant.numeric.preprocessor.c
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.c keyword.control.import.c
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.c keyword.control.import.else.c
          push:
            - meta_content_scope: comment.block.preprocessor.else-branch.c
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: preprocessor-disabled
        - match: ""
          push:
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: preprocessor-global
            - include: negated-block
            - include: global

  preprocessor-rule-other-global:
    - match: ^\s*(#\s*(?:if|ifdef|ifndef))\b
      captures:
        1: keyword.control.import.c
      push:
        - meta_scope: meta.preprocessor.c
        - include: preprocessor-line-continuation
        - include: preprocessor-comments
        - match: \bdefined\b
          scope: keyword.control.c
        # Enter a new scope where all elif/else branches have their
        # contexts popped by a subsequent elif/else/endif. This ensures that
        # preprocessor branches don't push multiple meta.block scopes on
        # the stack, thus messing up the "global" context's detection of
        # functions.
        - match: $\n
          set: preprocessor-if-branch-global

  # These gymnastics here ensure that we are properly handling scope even
  # when the preprocessor is used to create different scope beginnings, such
  # as a different if/while condition
  preprocessor-if-branch-global:
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.c keyword.control.import.c
      pop: true
    - match: (?=^\s*#\s*(elif|else)\b)
      push: preprocessor-elif-else-branch-global
    - match: \{
      scope: punctuation.section.block.begin.c
      set: preprocessor-block-if-branch-global
    - include: preprocessor-global
    - include: negated-block
    - include: global

  preprocessor-block-if-branch-global:
    - meta_scope: meta.block.c
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.c keyword.control.import.c
      set: preprocessor-block-finish-global
    - match: (?=^\s*#\s*(elif|else)\b)
      push: preprocessor-elif-else-branch-global
    - match: \}
      scope: punctuation.section.block.end.c
      set: preprocessor-if-branch-global
    - include: statements

  preprocessor-block-finish-global:
    - meta_scope: meta.block.c
    - match: ^\s*(#\s*(?:if|ifdef|ifndef))\b
      captures:
        1: meta.preprocessor.c keyword.control.import.c
      set: preprocessor-block-finish-if-branch-global
    - match: \}
      scope: punctuation.section.block.end.c
      pop: true
    - include: statements

  preprocessor-block-finish-if-branch-global:
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.c keyword.control.import.c
      pop: true
    - match: \}
      scope: punctuation.section.block.end.c
      set: preprocessor-if-branch-global
    - include: statements

  preprocessor-elif-else-branch-global:
    - match: (?=^\s*#\s*endif\b)
      pop: true
    - include: negated-block
    - include: preprocessor-global
    - include: global

  ## Preprocessor for statements

  preprocessor-rule-disabled-statements:
    - match: ^\s*((#if)\s+(0))\b
      captures:
        1: meta.preprocessor.c
        2: keyword.control.import.c
        3: constant.numeric.preprocessor.c
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.c keyword.control.import.c
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.c keyword.control.import.else.c
          push:
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: negated-block
            - include: statements
        - match: ""
          push:
            - meta_scope: comment.block.preprocessor.if-branch.c
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: preprocessor-disabled

  preprocessor-rule-enabled-statements:
    - match: ^\s*((#if)\s+(0*1))\b
      captures:
        1: meta.preprocessor.c
        2: keyword.control.import.c
        3: constant.numeric.preprocessor.c
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.c keyword.control.import.c
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.c keyword.control.import.else.c
          push:
            - meta_content_scope: comment.block.preprocessor.else-branch.c
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: preprocessor-disabled
        - match: ""
          push:
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: negated-block
            - include: statements

  preprocessor-rule-other-statements:
    - match: ^\s*(#\s*(?:if|ifdef|ifndef))\b
      captures:
        1: keyword.control.import.c
      push:
        - meta_scope: meta.preprocessor.c
        - include: preprocessor-line-continuation
        - include: preprocessor-comments
        - match: \bdefined\b
          scope: keyword.control.c
        # Enter a new scope where all elif/else branches have their
        # contexts popped by a subsequent elif/else/endif. This ensures that
        # preprocessor branches don't push multiple meta.block scopes on
        # the stack, thus messing up the "global" context's detection of
        # functions.
        - match: $\n
          set: preprocessor-if-branch-statements

  # These gymnastics here ensure that we are properly handling scope even
  # when the preprocessor is used to create different scope beginnings, such
  # as a different if/while condition
  preprocessor-if-branch-statements:
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.c keyword.control.import.c
      pop: true
    - match: (?=^\s*#\s*(elif|else)\b)
      push: preprocessor-elif-else-branch-statements
    - match: \{
      scope: punctuation.section.block.begin.c
      set: preprocessor-block-if-branch-statements
    - match: (?=(?!{{non_func_keywords}}){{identifier}}\s*\()
      set: preprocessor-if-branch-function-call
    - include: negated-block
    - include: statements

  preprocessor-if-branch-function-call:
    - meta_content_scope: meta.function-call.c
    - include: c99
    - match: '{{identifier}}'
      scope: variable.function.c
    - match: '\('
      scope: meta.group.c punctuation.section.group.begin.c
      set: preprocessor-if-branch-function-call-arguments

  preprocessor-if-branch-function-call-arguments:
    - meta_content_scope: meta.function-call.c meta.group.c
    - match : \)
      scope: meta.function-call.c meta.group.c punctuation.section.group.end.c
      set: preprocessor-if-branch-statements
    - match: ^\s*(#\s*(?:elif|else))\b
      captures:
        1: meta.preprocessor.c keyword.control.import.c
      set: preprocessor-if-branch-statements
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.c keyword.control.import.c
      set: preprocessor-if-branch-function-call-arguments-finish
    - include: expressions

  preprocessor-if-branch-function-call-arguments-finish:
    - meta_content_scope: meta.function-call.c meta.group.c
    - match: \)
      scope: meta.function-call.c meta.group.c punctuation.section.group.end.c
      pop: true
    - include: expressions

  preprocessor-block-if-branch-statements:
    - meta_scope: meta.block.c
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.c keyword.control.import.c
      set: preprocessor-block-finish-statements
    - match: (?=^\s*#\s*(elif|else)\b)
      push: preprocessor-elif-else-branch-statements
    - match: \}
      scope: punctuation.section.block.end.c
      set: preprocessor-if-branch-statements
    - include: statements

  preprocessor-block-finish-statements:
    - meta_scope: meta.block.c
    - match: ^\s*(#\s*(?:if|ifdef|ifndef))\b
      captures:
        1: meta.preprocessor.c keyword.control.import.c
      set: preprocessor-block-finish-if-branch-statements
    - match: \}
      scope: punctuation.section.block.end.c
      pop: true
    - include: statements

  preprocessor-block-finish-if-branch-statements:
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.c keyword.control.import.c
      pop: true
    - match: \}
      scope: punctuation.section.block.end.c
      set: preprocessor-if-branch-statements
    - include: statements

  preprocessor-elif-else-branch-statements:
    - match: (?=^\s*#\s*endif\b)
      pop: true
    - include: negated-block
    - include: statements

  ## Preprocessor other

  negated-block:
    - match: '\}'
      scope: punctuation.section.block.end.c
      push:
        - match: '\{'
          scope: punctuation.section.block.begin.c
          pop: true
        - match: (?=^\s*#\s*(elif|else|endif)\b)
          pop: true
        - include: statements

  preprocessor-macro-define:
    - match: ^\s*(#\s*define)\b
      captures:
        1: meta.preprocessor.macro.c keyword.control.import.define.c
      push:
        - meta_content_scope: meta.preprocessor.macro.c
        - include: preprocessor-line-continuation
        - include: preprocessor-line-ending
        - include: preprocessor-comments
        - match: '({{identifier}})(?=\()'
          scope: entity.name.function.preprocessor.c
          set:
            - match: '\('
              scope: punctuation.section.group.begin.c
              set: preprocessor-macro-params
        - match: '{{identifier}}'
          scope: entity.name.constant.preprocessor.c
          set: preprocessor-macro-definition

  preprocessor-macro-params:
    - meta_scope: meta.preprocessor.macro.parameters.c meta.group.c
    - match: '{{identifier}}'
      scope: variable.parameter.c
    - match: \)
      scope: punctuation.section.group.end.c
      set: preprocessor-macro-definition
    - match: ','
      scope: punctuation.separator.c
      push:
        - match: '{{identifier}}'
          scope: variable.parameter.c
          pop: true
        - include: preprocessor-line-continuation
        - include: preprocessor-comments
        - match: '\.\.\.'
          scope: keyword.operator.variadic.c
        - match: '(?=\))'
          pop: true
        - match: (/\*).*(\*/)
          scope: comment.block.c
          captures:
            1: punctuation.definition.comment.c
            2: punctuation.definition.comment.c
        - match: '\S+'
          scope: invalid.illegal.unexpected-character.c
    - include: preprocessor-line-continuation
    - include: preprocessor-comments
    - match: '\.\.\.'
      scope: keyword.operator.variadic.c
    - match: (/\*).*(\*/)
      scope: comment.block.c
      captures:
        1: punctuation.definition.comment.c
        2: punctuation.definition.comment.c
    - match: $\n
      scope: invalid.illegal.unexpected-end-of-line.c

  preprocessor-macro-definition:
    - meta_content_scope: meta.preprocessor.macro.c
    - include: preprocessor-line-continuation
    - include: preprocessor-line-ending
    - include: preprocessor-comments
    # Don't define blocks in define statements
    - match: '\{'
      scope: punctuation.section.block.begin.c
    - match: '\}'
      scope: punctuation.section.block.end.c
    - include: expressions

  preprocessor-other:
    - match: ^\s*(#\s*(?:if|ifdef|ifndef|elif|else|line|pragma|undef))\b
      captures:
        1: keyword.control.import.c
      push:
        - meta_scope: meta.preprocessor.c
        - include: preprocessor-line-continuation
        - include: preprocessor-line-ending
        - include: preprocessor-comments
        - match: \bdefined\b
          scope: keyword.control.c
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.c keyword.control.import.c
    - match: ^\s*(#\s*(?:error|warning))\b
      captures:
        1: keyword.control.import.error.c
      push:
        - meta_scope: meta.preprocessor.diagnostic.c
        - include: preprocessor-line-continuation
        - include: preprocessor-line-ending
        - include: preprocessor-comments
        - include: strings
        - match: '\S+'
          scope: string.unquoted.c
    - match: ^\s*(#\s*(?:include|include_next|import))\b
      captures:
        1: keyword.control.import.include.c
      push:
        - meta_scope: meta.preprocessor.include.c
        - include: preprocessor-line-continuation
        - include: preprocessor-line-ending
        - include: preprocessor-comments
        - match: '"'
          scope: punctuation.definition.string.begin.c
          push:
            - meta_scope: string.quoted.double.include.c
            - match: '"'
              scope: punctuation.definition.string.end.c
              pop: true
        - match: <
          scope: punctuation.definition.string.begin.c
          push:
            - meta_scope: string.quoted.other.lt-gt.include.c
            - match: ">"
              scope: punctuation.definition.string.end.c
              pop: true