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;; Note: The interface used in this file requires CC Mode 5.30 or
;; later.
;;; Code:
(require 'cc-mode)
;; These are only required at compile time to get the sources for the
;; language constants. (The cc-fonts require and the font-lock
;; related constants could additionally be put inside an
;; (eval-after-load "font-lock" ...) but then some trickery is
;; necessary to get them compiled.)
(require 'cc-langs)
(require 'cc-fonts))
;; Make our mode known to the language constant system. Use C
;; mode as the fallback for the constants we don't change here.
;; This needs to be done also at compile time since the language
;; constants are evaluated then.
(c-add-language 'cuda-mode 'c++-mode))
;; cuda has no boolean but a string and a vector type.
(c-lang-defconst c-primitive-type-kwds
"Primitive type keywords. As opposed to the other keyword lists, the
keywords listed here are fontified with the type face instead of the
keyword face.
If any of these also are on `c-type-list-kwds', `c-ref-list-kwds',
`c-colon-type-list-kwds', `c-paren-nontype-kwds', `c-paren-type-kwds',
`c-<>-type-kwds', or `c-<>-arglist-kwds' then the associated clauses
will be handled.
Do not try to modify this list for end user customizations; the
`*-font-lock-extra-types' variable, where `*' is the mode prefix, is
the appropriate place for that."
"char1" "uchar1" "char2" "uchar2" "char3" "uchar3" "char4" "uchar4"
"short1" "ushort1" "short2" "ushort2" "short3" "ushort3" "short4" "ushort4"
"int1" "uint1" "int2" "uint2" "int3" "uint3" "int4" "uint4"
"long1" "ulong1" "long2" "ulong2" "long3" "ulong3" "long4" "ulong4"
"float1" "float2" "float3" "float4"
"double1" "double2" )
;; Use append to not be destructive on the
;; return value below.
(c-lang-const c-primitive-type-kwds)
(c-lang-defconst c-type-modifier-keywds
"Type modifier keywords. These can occur almost anywhere in types
but they don't build a type of themselves. Unlike the keywords on
`c-primitive-type-kwds', they are fontified with the keyword face and
not the type face."
"__device__" "__global__" "__shared__" "__host__" "__constant__"
(c-lang-const c-type-modifier-keywds)
(c-lang-defconst c-other-op-syntax-tokens
"List of the tokens made up of characters in the punctuation or
parenthesis syntax classes that have uses other than as expression
(append '("#" "##" ; Used by cpp.
"::" "..." "<<<" ">>>")
(c-lang-const c-other-op-syntax-tokens)))
(c-lang-defconst c-primary-expr-kwds
"Keywords besides constants and operators that start primary expressions."
cuda '("gridDim" "blockIdx" "blockDim" "threadIdx" "warpSize"))
(c-lang-defconst c-paren-nontype-kwds
"Keywords that may be followed by a parenthesis expression that doesn't
contain type identifiers."
cuda nil
(c c++) '(;; GCC extension.
;; MSVC extension.
(defcustom cuda-font-lock-extra-types nil
"*List of extra types (aside from the type keywords) to recognize in Cuda mode.
Each list item should be a regexp matching a single identifier.")
(defconst cuda-font-lock-keywords-1
(c-lang-const c-matchers-1 cuda)
"Minimal highlighting for CUDA mode.")
(defconst cuda-font-lock-keywords-2
(c-lang-const c-matchers-2 cuda)
"Fast normal highlighting for CUDA mode.")
(defconst cuda-font-lock-keywords-3
(c-lang-const c-matchers-3 cuda)
"Accurate normal highlighting for CUDA mode.")
(defvar cuda-font-lock-keywords cuda-font-lock-keywords-3
"Default expressions to highlight in CUDA mode.")
(defvar cuda-mode-syntax-table nil
"Syntax table used in cuda-mode buffers.")
(or cuda-mode-syntax-table
(setq cuda-mode-syntax-table
(funcall (c-lang-const c-make-mode-syntax-table cuda))))
(defvar cuda-mode-abbrev-table nil
"Abbreviation table used in cuda-mode buffers.")
(c-define-abbrev-table 'cuda-mode-abbrev-table
;; Keywords that if they occur first on a line might alter the
;; syntactic context, and which therefore should trig reindentation
;; when they are completed.
'(("else" "else" c-electric-continued-statement 0)
("while" "while" c-electric-continued-statement 0)))
(defvar cuda-mode-map (let ((map (c-make-inherited-keymap)))
;; Add bindings which are only useful for CUDA
"Keymap used in cuda-mode buffers.")
(easy-menu-define cuda-menu cuda-mode-map "CUDA Mode Commands"
;; Can use `cuda' as the language for `c-mode-menu'
;; since its definition covers any language. In
;; this case the language is used to adapt to the
;; nonexistence of a cpp pass and thus removing some
;; irrelevant menu alternatives.
(cons "CUDA" (c-lang-const c-mode-menu cuda)))
(add-to-list 'auto-mode-alist '("\\.cu\\'" . cuda-mode))
(defun cuda-mode ()
"Major mode for editing CUDA Cuda is a C like language extension
for mixed native/GPU coding created by NVIDA
The hook `c-mode-common-hook' is run with no args at mode
initialization, then `cuda-mode-hook'.
Key bindings:
(c-initialize-cc-mode t)
(set-syntax-table cuda-mode-syntax-table)
(setq major-mode 'cuda-mode
mode-name "Cuda"
local-abbrev-table cuda-mode-abbrev-table
abbrev-mode t)
(use-local-map c-mode-map)
;; `c-init-language-vars' is a macro that is expanded at compile
;; time to a large `setq' with all the language variables and their
;; customized values for our language.
(c-init-language-vars cuda-mode)
;; `c-common-init' initializes most of the components of a CC Mode
;; buffer, including setup of the mode menu, font-lock, etc.
;; There's also a lower level routine `c-basic-common-init' that
;; only makes the necessary initialization to get the syntactic
;; analysis and similar things working.
(c-common-init 'cuda-mode)
(easy-menu-add cuda-menu)
(run-hooks 'c-mode-common-hook)
(run-hooks 'cuda-mode-hook)
(setq font-lock-keywords-case-fold-search t)
(provide 'cuda-mode)