;;; company-keywords.el --- A company backend for programming language keywords
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;; Copyright (C) 2009-2011, 2016 Free Software Foundation, Inc.
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;; Author: Nikolaj Schumacher
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;;; Code:
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(require 'company)
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(require 'cl-lib)
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(defun company-keywords-upper-lower (&rest lst)
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;; Upcase order is different for _.
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(nconc (sort (mapcar 'upcase lst) 'string<) lst))
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(defvar company-keywords-alist
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;; Please contribute corrections or additions.
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`((c++-mode
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"alignas" "alignof" "asm" "auto" "bool" "break" "case" "catch" "char"
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"char16_t" "char32_t" "class" "const" "const_cast" "constexpr" "continue"
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"decltype" "default" "delete" "do" "double" "dynamic_cast" "else" "enum"
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"explicit" "export" "extern" "false" "final" "float" "for" "friend"
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"goto" "if" "inline" "int" "long" "mutable" "namespace" "new" "noexcept"
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"nullptr" "operator" "override"
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"private" "protected" "public" "register" "reinterpret_cast"
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"return" "short" "signed" "sizeof" "static" "static_assert"
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"static_cast" "struct" "switch" "template" "this" "thread_local"
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"throw" "true" "try" "typedef" "typeid" "typename"
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"union" "unsigned" "using" "virtual" "void" "volatile" "wchar_t" "while")
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(c-mode
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"auto" "break" "case" "char" "const" "continue" "default" "do"
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"double" "else" "enum" "extern" "float" "for" "goto" "if" "int" "long"
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"register" "return" "short" "signed" "sizeof" "static" "struct"
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"switch" "typedef" "union" "unsigned" "void" "volatile" "while")
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(csharp-mode
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"abstract" "add" "alias" "as" "base" "bool" "break" "byte" "case"
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"catch" "char" "checked" "class" "const" "continue" "decimal" "default"
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"delegate" "do" "double" "else" "enum" "event" "explicit" "extern"
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"false" "finally" "fixed" "float" "for" "foreach" "get" "global" "goto"
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"if" "implicit" "in" "int" "interface" "internal" "is" "lock" "long"
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"namespace" "new" "null" "object" "operator" "out" "override" "params"
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"partial" "private" "protected" "public" "readonly" "ref" "remove"
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"return" "sbyte" "sealed" "set" "short" "sizeof" "stackalloc" "static"
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"string" "struct" "switch" "this" "throw" "true" "try" "typeof" "uint"
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"ulong" "unchecked" "unsafe" "ushort" "using" "value" "var" "virtual"
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"void" "volatile" "where" "while" "yield")
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(d-mode
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;; from http://www.digitalmars.com/d/2.0/lex.html
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"abstract" "alias" "align" "asm"
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"assert" "auto" "body" "bool" "break" "byte" "case" "cast" "catch"
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"cdouble" "cent" "cfloat" "char" "class" "const" "continue" "creal"
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"dchar" "debug" "default" "delegate" "delete" "deprecated" "do"
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"double" "else" "enum" "export" "extern" "false" "final" "finally"
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"float" "for" "foreach" "foreach_reverse" "function" "goto" "idouble"
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"if" "ifloat" "import" "in" "inout" "int" "interface" "invariant"
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"ireal" "is" "lazy" "long" "macro" "mixin" "module" "new" "nothrow"
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"null" "out" "override" "package" "pragma" "private" "protected"
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"public" "pure" "real" "ref" "return" "scope" "short" "static" "struct"
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"super" "switch" "synchronized" "template" "this" "throw" "true" "try"
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"typedef" "typeid" "typeof" "ubyte" "ucent" "uint" "ulong" "union"
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"unittest" "ushort" "version" "void" "volatile" "wchar" "while" "with")
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(f90-mode .
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;; from f90.el
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;; ".AND." ".GE." ".GT." ".LT." ".LE." ".NE." ".OR." ".TRUE." ".FALSE."
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,(company-keywords-upper-lower
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"abs" "abstract" "achar" "acos" "adjustl" "adjustr" "aimag" "aint"
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"align" "all" "all_prefix" "all_scatter" "all_suffix" "allocatable"
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"allocate" "allocated" "and" "anint" "any" "any_prefix" "any_scatter"
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"any_suffix" "asin" "assign" "assignment" "associate" "associated"
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"asynchronous" "atan" "atan2" "backspace" "bind" "bit_size" "block"
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"btest" "c_alert" "c_associated" "c_backspace" "c_bool"
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"c_carriage_return" "c_char" "c_double" "c_double_complex" "c_f_pointer"
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"c_f_procpointer" "c_float" "c_float_complex" "c_form_feed" "c_funloc"
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"c_funptr" "c_horizontal_tab" "c_int" "c_int16_t" "c_int32_t" "c_int64_t"
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"c_int8_t" "c_int_fast16_t" "c_int_fast32_t" "c_int_fast64_t"
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"c_int_fast8_t" "c_int_least16_t" "c_int_least32_t" "c_int_least64_t"
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"c_int_least8_t" "c_intmax_t" "c_intptr_t" "c_loc" "c_long"
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"c_long_double" "c_long_double_complex" "c_long_long" "c_new_line"
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"c_null_char" "c_null_funptr" "c_null_ptr" "c_ptr" "c_short"
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"c_signed_char" "c_size_t" "c_vertical_tab" "call" "case" "ceiling"
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"char" "character" "character_storage_size" "class" "close" "cmplx"
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"command_argument_count" "common" "complex" "conjg" "contains" "continue"
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"copy_prefix" "copy_scatter" "copy_suffix" "cos" "cosh" "count"
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"count_prefix" "count_scatter" "count_suffix" "cpu_time" "cshift"
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"cycle" "cyclic" "data" "date_and_time" "dble" "deallocate" "deferred"
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"digits" "dim" "dimension" "distribute" "do" "dot_product" "double"
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"dprod" "dynamic" "elemental" "else" "elseif" "elsewhere" "end" "enddo"
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"endfile" "endif" "entry" "enum" "enumerator" "eoshift" "epsilon" "eq"
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"equivalence" "eqv" "error_unit" "exit" "exp" "exponent" "extends"
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"extends_type_of" "external" "extrinsic" "false" "file_storage_size"
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"final" "floor" "flush" "forall" "format" "fraction" "function" "ge"
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"generic" "get_command" "get_command_argument" "get_environment_variable"
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"goto" "grade_down" "grade_up" "gt" "hpf_alignment" "hpf_distribution"
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"hpf_template" "huge" "iachar" "iall" "iall_prefix" "iall_scatter"
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"iall_suffix" "iand" "iany" "iany_prefix" "iany_scatter" "iany_suffix"
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"ibclr" "ibits" "ibset" "ichar" "ieee_arithmetic" "ieee_exceptions"
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"ieee_features" "ieee_get_underflow_mode" "ieee_set_underflow_mode"
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"ieee_support_underflow_control" "ieor" "if" "ilen" "implicit"
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"import" "include" "independent" "index" "inherit" "input_unit"
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"inquire" "int" "integer" "intent" "interface" "intrinsic" "ior"
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"iostat_end" "iostat_eor" "iparity" "iparity_prefix" "iparity_scatter"
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"iparity_suffix" "ishft" "ishftc" "iso_c_binding" "iso_fortran_env"
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"kind" "lbound" "le" "leadz" "len" "len_trim" "lge" "lgt" "lle" "llt"
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"log" "log10" "logical" "lt" "matmul" "max" "maxexponent" "maxloc"
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"maxval" "maxval_prefix" "maxval_scatter" "maxval_suffix" "merge"
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"min" "minexponent" "minloc" "minval" "minval_prefix" "minval_scatter"
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"minval_suffix" "mod" "module" "modulo" "move_alloc" "mvbits" "namelist"
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"ne" "nearest" "neqv" "new" "new_line" "nint" "non_intrinsic"
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"non_overridable" "none" "nopass" "not" "null" "nullify"
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"number_of_processors" "numeric_storage_size" "only" "onto" "open"
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"operator" "optional" "or" "output_unit" "pack" "parameter" "parity"
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"parity_prefix" "parity_scatter" "parity_suffix" "pass" "pause"
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"pointer" "popcnt" "poppar" "precision" "present" "print" "private"
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"procedure" "processors" "processors_shape" "product" "product_prefix"
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"product_scatter" "product_suffix" "program" "protected" "public"
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"pure" "radix" "random_number" "random_seed" "range" "read" "real"
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"realign" "recursive" "redistribute" "repeat" "reshape" "result"
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"return" "rewind" "rrspacing" "same_type_as" "save" "scale" "scan"
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"select" "selected_char_kind" "selected_int_kind" "selected_real_kind"
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"sequence" "set_exponent" "shape" "sign" "sin" "sinh" "size" "spacing"
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"spread" "sqrt" "stop" "subroutine" "sum" "sum_prefix" "sum_scatter"
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"sum_suffix" "system_clock" "tan" "tanh" "target" "template" "then"
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"tiny" "transfer" "transpose" "trim" "true" "type" "ubound" "unpack"
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"use" "value" "verify" "volatile" "wait" "where" "while" "with" "write"))
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(go-mode
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;; 1. Keywords ref: https://golang.org/ref/spec#Keywords
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;; 2. Builtin functions and types ref: https://golang.org/pkg/builtin/
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"append" "bool" "break" "byte" "cap" "case" "chan" "close" "complex" "complex128"
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"complex64" "const" "continue" "copy" "default" "defer" "delete" "else" "error"
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"fallthrough" "false" "float32" "float64" "for" "func" "go" "goto" "if" "imag"
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"import" "int" "int16" "int32" "int64" "int8" "interface" "len" "make"
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"map" "new" "nil" "package" "panic" "print" "println" "range" "real" "recover"
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"return" "rune" "select" "string" "struct" "switch" "true" "type" "uint" "uint16"
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"uint32" "uint64" "uint8" "uintptr" "var")
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(java-mode
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"abstract" "assert" "boolean" "break" "byte" "case" "catch" "char" "class"
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"continue" "default" "do" "double" "else" "enum" "extends" "final"
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"finally" "float" "for" "if" "implements" "import" "instanceof" "int"
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"interface" "long" "native" "new" "package" "private" "protected" "public"
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"return" "short" "static" "strictfp" "super" "switch" "synchronized"
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"this" "throw" "throws" "transient" "try" "void" "volatile" "while")
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(javascript-mode
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;; https://tc39.github.io/ecma262/ + async, static and undefined
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"async" "await" "break" "case" "catch" "class" "const" "continue"
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"debugger" "default" "delete" "do" "else" "enum" "export" "extends" "false"
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"finally" "for" "function" "if" "import" "in" "instanceof" "let" "new"
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"null" "return" "static" "super" "switch" "this" "throw" "true" "try"
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"typeof" "undefined" "var" "void" "while" "with" "yield")
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(kotlin-mode
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"abstract" "annotation" "as" "break" "by" "catch" "class" "companion"
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"const" "constructor" "continue" "data" "do" "else" "enum" "false" "final"
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"finally" "for" "fun" "if" "import" "in" "init" "inner" "interface"
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"internal" "is" "lateinit" "nested" "null" "object" "open" "out" "override"
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"package" "private" "protected" "public" "return" "super" "this" "throw"
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"trait" "true" "try" "typealias" "val" "var" "when" "while")
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(objc-mode
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"@catch" "@class" "@encode" "@end" "@finally" "@implementation"
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"@interface" "@private" "@protected" "@protocol" "@public"
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"@selector" "@synchronized" "@throw" "@try" "alloc" "autorelease"
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"bycopy" "byref" "in" "inout" "oneway" "out" "release" "retain")
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(perl-mode
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;; from cperl.el
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"AUTOLOAD" "BEGIN" "CHECK" "CORE" "DESTROY" "END" "INIT" "__END__"
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"__FILE__" "__LINE__" "abs" "accept" "alarm" "and" "atan2" "bind"
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"binmode" "bless" "caller" "chdir" "chmod" "chomp" "chop" "chown" "chr"
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"chroot" "close" "closedir" "cmp" "connect" "continue" "cos"
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"crypt" "dbmclose" "dbmopen" "defined" "delete" "die" "do" "dump" "each"
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"else" "elsif" "endgrent" "endhostent" "endnetent" "endprotoent"
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"endpwent" "endservent" "eof" "eq" "eval" "exec" "exists" "exit" "exp"
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"fcntl" "fileno" "flock" "for" "foreach" "fork" "format" "formline"
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"ge" "getc" "getgrent" "getgrgid" "getgrnam" "gethostbyaddr"
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"gethostbyname" "gethostent" "getlogin" "getnetbyaddr" "getnetbyname"
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"getnetent" "getpeername" "getpgrp" "getppid" "getpriority"
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"getprotobyname" "getprotobynumber" "getprotoent" "getpwent" "getpwnam"
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"getpwuid" "getservbyname" "getservbyport" "getservent" "getsockname"
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"getsockopt" "glob" "gmtime" "goto" "grep" "gt" "hex" "if" "index" "int"
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"ioctl" "join" "keys" "kill" "last" "lc" "lcfirst" "le" "length"
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"link" "listen" "local" "localtime" "lock" "log" "lstat" "lt" "map"
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"mkdir" "msgctl" "msgget" "msgrcv" "msgsnd" "my" "ne" "next" "no"
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"not" "oct" "open" "opendir" "or" "ord" "our" "pack" "package" "pipe"
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"pop" "pos" "print" "printf" "push" "q" "qq" "quotemeta" "qw" "qx"
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"rand" "read" "readdir" "readline" "readlink" "readpipe" "recv" "redo"
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"ref" "rename" "require" "reset" "return" "reverse" "rewinddir" "rindex"
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"rmdir" "scalar" "seek" "seekdir" "select" "semctl" "semget" "semop"
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"send" "setgrent" "sethostent" "setnetent" "setpgrp" "setpriority"
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"setprotoent" "setpwent" "setservent" "setsockopt" "shift" "shmctl"
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"shmget" "shmread" "shmwrite" "shutdown" "sin" "sleep" "socket"
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"socketpair" "sort" "splice" "split" "sprintf" "sqrt" "srand" "stat"
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"study" "sub" "substr" "symlink" "syscall" "sysopen" "sysread" "system"
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"syswrite" "tell" "telldir" "tie" "time" "times" "tr" "truncate" "uc"
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"ucfirst" "umask" "undef" "unless" "unlink" "unpack" "unshift" "untie"
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"until" "use" "utime" "values" "vec" "wait" "waitpid"
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"wantarray" "warn" "while" "write" "x" "xor" "y")
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(php-mode
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"__CLASS__" "__DIR__" "__FILE__" "__FUNCTION__" "__LINE__" "__METHOD__"
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"__NAMESPACE__" "_once" "abstract" "and" "array" "as" "break" "case"
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"catch" "cfunction" "class" "clone" "const" "continue" "declare"
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"default" "die" "do" "echo" "else" "elseif" "empty" "enddeclare"
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"endfor" "endforeach" "endif" "endswitch" "endwhile" "eval" "exception"
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"exit" "extends" "final" "for" "foreach" "function" "global"
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"goto" "if" "implements" "include" "instanceof" "interface"
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"isset" "list" "namespace" "new" "old_function" "or" "php_user_filter"
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"print" "private" "protected" "public" "require" "require_once" "return"
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"static" "switch" "this" "throw" "try" "unset" "use" "var" "while" "xor")
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(python-mode
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;; https://docs.python.org/3/reference/lexical_analysis.html#keywords
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"False" "None" "True" "and" "as" "assert" "break" "class" "continue" "def"
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"del" "elif" "else" "except" "exec" "finally" "for" "from" "global" "if"
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"import" "in" "is" "lambda" "nonlocal" "not" "or" "pass" "print" "raise"
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"return" "try" "while" "with" "yield")
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(ruby-mode
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"BEGIN" "END" "alias" "and" "begin" "break" "case" "class" "def" "defined?"
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"do" "else" "elsif" "end" "ensure" "false" "for" "if" "in" "module"
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"next" "nil" "not" "or" "redo" "rescue" "retry" "return" "self" "super"
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"then" "true" "undef" "unless" "until" "when" "while" "yield")
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;; From https://doc.rust-lang.org/grammar.html#keywords
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;; but excluding unused reserved words: https://www.reddit.com/r/rust/comments/34fq0k/is_there_a_good_list_of_rusts_keywords/cqucvnj
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(rust-mode
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"Self"
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"as" "box" "break" "const" "continue" "crate" "else" "enum" "extern"
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"false" "fn" "for" "if" "impl" "in" "let" "loop" "macro" "match" "mod"
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"move" "mut" "pub" "ref" "return" "self" "static" "struct" "super"
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"trait" "true" "type" "unsafe" "use" "where" "while")
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(scala-mode
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"abstract" "case" "catch" "class" "def" "do" "else" "extends" "false"
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"final" "finally" "for" "forSome" "if" "implicit" "import" "lazy" "match"
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"new" "null" "object" "override" "package" "private" "protected"
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"return" "sealed" "super" "this" "throw" "trait" "true" "try" "type" "val"
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"var" "while" "with" "yield")
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(swift-mode
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"Protocol" "Self" "Type" "and" "as" "assignment" "associatedtype"
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"associativity" "available" "break" "case" "catch" "class" "column" "continue"
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"convenience" "default" "defer" "deinit" "didSet" "do" "dynamic" "dynamicType"
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"else" "elseif" "endif" "enum" "extension" "fallthrough" "false" "file"
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"fileprivate" "final" "for" "func" "function" "get" "guard" "higherThan" "if"
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"import" "in" "indirect" "infix" "init" "inout" "internal" "is" "lazy" "left"
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"let" "line" "lowerThan" "mutating" "nil" "none" "nonmutating" "open"
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"operator" "optional" "override" "postfix" "precedence" "precedencegroup"
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"prefix" "private" "protocol" "public" "repeat" "required" "rethrows" "return"
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"right" "selector" "self" "set" "static" "struct" "subscript" "super" "switch"
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"throw" "throws" "true" "try" "typealias" "unowned" "var" "weak" "where"
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"while" "willSet")
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(julia-mode
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"abstract" "break" "case" "catch" "const" "continue" "do" "else" "elseif"
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"end" "eval" "export" "false" "finally" "for" "function" "global" "if"
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"ifelse" "immutable" "import" "importall" "in" "let" "macro" "module"
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"otherwise" "quote" "return" "switch" "throw" "true" "try" "type"
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"typealias" "using" "while"
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)
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;; From https://github.com/apache/thrift/blob/master/contrib/thrift.el
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(thrift-mode
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"binary" "bool" "byte" "const" "double" "enum" "exception" "extends"
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"i16" "i32" "i64" "include" "list" "map" "oneway" "optional" "required"
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"service" "set" "string" "struct" "throws" "typedef" "void"
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)
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;; aliases
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(js2-mode . javascript-mode)
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(js2-jsx-mode . javascript-mode)
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(espresso-mode . javascript-mode)
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(js-mode . javascript-mode)
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(js-jsx-mode . javascript-mode)
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(rjsx-mode . javascript-mode)
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(cperl-mode . perl-mode)
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(jde-mode . java-mode)
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(ess-julia-mode . julia-mode)
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(enh-ruby-mode . ruby-mode))
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"Alist mapping major-modes to sorted keywords for `company-keywords'.")
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;;;###autoload
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(defun company-keywords (command &optional arg &rest ignored)
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"`company-mode' backend for programming language keywords."
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(interactive (list 'interactive))
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(cl-case command
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(interactive (company-begin-backend 'company-keywords))
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(prefix (and (assq major-mode company-keywords-alist)
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(not (company-in-string-or-comment))
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(or (company-grab-symbol) 'stop)))
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(candidates
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(let ((completion-ignore-case nil)
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(symbols (cdr (assq major-mode company-keywords-alist))))
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(all-completions arg (if (consp symbols)
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symbols
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(cdr (assq symbols company-keywords-alist))))))
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(sorted t)))
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(provide 'company-keywords)
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;;; company-keywords.el ends here
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