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/*
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 regex = hljs.regex;
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: /[su]?0[xX][KMLHR]?[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: regex.concat(/%/, IDENT_RE) },
{ begin: /%\d+/ },
{ begin: /#\d+/ },
]
};
const FUNCTION = {
className: 'title',
variants: [
{ begin: regex.concat(/@/, IDENT_RE) },
{ begin: /@\d+/ },
{ begin: regex.concat(/!/, IDENT_RE) },
{ begin: regex.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*$/, null, { relevance: 0 }),
hljs.COMMENT(/;/, /$/),
{
className: 'string',
begin: /"/,
end: /"/,
contains: [
{
className: 'char.escape',
match: /\\\d\d/
}
]
},
FUNCTION,
PUNCTUATION,
OPERATOR,
VARIABLE,
LABEL,
NUMBER
]
};
}
module.exports = llvm;
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