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/**
* @param {string} value
* @returns {RegExp}
* */
/**
* @param {RegExp | string } re
* @returns {string}
*/
function source(re) {
if (!re) return null;
if (typeof re === "string") return re;
return re.source;
}
/**
* @param {...(RegExp | string) } args
* @returns {string}
*/
function concat(...args) {
const joined = args.map((x) => source(x)).join("");
return joined;
}
/*
Language: LLVM IR
Author: Michael Rodler <contact@f0rki.at>
Description: language used as intermediate representation in the LLVM compiler framework
Website: https://llvm.org/docs/LangRef.html
Category: assembler
Audit: 2020
*/
/** @type LanguageFn */
function llvm(hljs) {
const IDENT_RE = /([-a-zA-Z$._][\w$.-]*)/;
const TYPE = {
className: 'type',
begin: /\bi\d+(?=\s|\b)/
};
const OPERATOR = {
className: 'operator',
relevance: 0,
begin: /=/
};
const PUNCTUATION = {
className: 'punctuation',
relevance: 0,
begin: /,/
};
const NUMBER = {
className: 'number',
variants: [
{ begin: /0[xX][a-fA-F0-9]+/ },
{ begin: /-?\d+(?:[.]\d+)?(?:[eE][-+]?\d+(?:[.]\d+)?)?/ }
],
relevance: 0
};
const LABEL = {
className: 'symbol',
variants: [
{ begin: /^\s*[a-z]+:/ }, // labels
],
relevance: 0
};
const VARIABLE = {
className: 'variable',
variants: [
{ begin: concat(/%/, IDENT_RE) },
{ begin: /%\d+/ },
{ begin: /#\d+/ },
]
};
const FUNCTION = {
className: 'title',
variants: [
{ begin: concat(/@/, IDENT_RE) },
{ begin: /@\d+/ },
{ begin: concat(/!/, IDENT_RE) },
{ begin: concat(/!\d+/, IDENT_RE) },
// https://llvm.org/docs/LangRef.html#namedmetadatastructure
// obviously a single digit can also be used in this fashion
{ begin: /!\d+/ }
]
};
return {
name: 'LLVM IR',
// TODO: split into different categories of keywords
keywords:
'begin end true false declare define global ' +
'constant private linker_private internal ' +
'available_externally linkonce linkonce_odr weak ' +
'weak_odr appending dllimport dllexport common ' +
'default hidden protected extern_weak external ' +
'thread_local zeroinitializer undef null to tail ' +
'target triple datalayout volatile nuw nsw nnan ' +
'ninf nsz arcp fast exact inbounds align ' +
'addrspace section alias module asm sideeffect ' +
'gc dbg linker_private_weak attributes blockaddress ' +
'initialexec localdynamic localexec prefix unnamed_addr ' +
'ccc fastcc coldcc x86_stdcallcc x86_fastcallcc ' +
'arm_apcscc arm_aapcscc arm_aapcs_vfpcc ptx_device ' +
'ptx_kernel intel_ocl_bicc msp430_intrcc spir_func ' +
'spir_kernel x86_64_sysvcc x86_64_win64cc x86_thiscallcc ' +
'cc c signext zeroext inreg sret nounwind ' +
'noreturn noalias nocapture byval nest readnone ' +
'readonly inlinehint noinline alwaysinline optsize ssp ' +
'sspreq noredzone noimplicitfloat naked builtin cold ' +
'nobuiltin noduplicate nonlazybind optnone returns_twice ' +
'sanitize_address sanitize_memory sanitize_thread sspstrong ' +
'uwtable returned type opaque eq ne slt sgt ' +
'sle sge ult ugt ule uge oeq one olt ogt ' +
'ole oge ord uno ueq une x acq_rel acquire ' +
'alignstack atomic catch cleanup filter inteldialect ' +
'max min monotonic nand personality release seq_cst ' +
'singlethread umax umin unordered xchg add fadd ' +
'sub fsub mul fmul udiv sdiv fdiv urem srem ' +
'frem shl lshr ashr and or xor icmp fcmp ' +
'phi call trunc zext sext fptrunc fpext uitofp ' +
'sitofp fptoui fptosi inttoptr ptrtoint bitcast ' +
'addrspacecast select va_arg ret br switch invoke ' +
'unwind unreachable indirectbr landingpad resume ' +
'malloc alloca free load store getelementptr ' +
'extractelement insertelement shufflevector getresult ' +
'extractvalue insertvalue atomicrmw cmpxchg fence ' +
'argmemonly double',
contains: [
TYPE,
// this matches "empty comments"...
// ...because it's far more likely this is a statement terminator in
// another language than an actual comment
hljs.COMMENT(/;\s*$/, null, { relevance: 0 }),
hljs.COMMENT(/;/, /$/),
hljs.QUOTE_STRING_MODE,
{
className: 'string',
variants: [
// Double-quoted string
{ begin: /"/, end: /[^\\]"/ },
]
},
FUNCTION,
PUNCTUATION,
OPERATOR,
VARIABLE,
LABEL,
NUMBER
]
};
}
module.exports = llvm;