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#
#
# The Nim Compiler
# (c) Copyright 2015 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
#
# This module contains a word recognizer, i.e. a simple
# procedure which maps special words to an enumeration.
# It is primarily needed because Pascal's case statement
# does not support strings. Without this the code would
# be slow and unreadable.
from strutils import cmpIgnoreStyle
# Keywords must be kept sorted and within a range
type
TSpecialWord* = enum
wInvalid,
wAddr, wAnd, wAs, wAsm,
wBind, wBlock, wBreak, wCase, wCast, wConcept, wConst,
wContinue, wConverter, wDefer, wDiscard, wDistinct, wDiv, wDo,
wElif, wElse, wEnd, wEnum, wExcept, wExport,
wFinally, wFor, wFrom, wFunc, wIf, wImport, wIn,
wInclude, wInterface, wIs, wIsnot, wIterator, wLet,
wMacro, wMethod, wMixin, wMod, wNil,
wNot, wNotin, wObject, wOf, wOr, wOut, wProc, wPtr, wRaise, wRef, wReturn,
wShl, wShr, wStatic, wTemplate, wTry, wTuple, wType, wUsing, wVar,
wWhen, wWhile, wXor, wYield,
wColon, wColonColon, wEquals, wDot, wDotDot,
wStar, wMinus,
wMagic, wThread, wFinal, wProfiler, wMemTracker, wObjChecks,
wIntDefine, wStrDefine,
wDestroy,
wImmediate, wConstructor, wDestructor, wDelegator, wOverride,
wImportCpp, wImportObjC,
wImportCompilerProc,
wImportc, wExportc, wExportNims, wIncompleteStruct, wRequiresInit,
wAlign, wNodecl, wPure, wSideeffect, wHeader,
wNosideeffect, wGcSafe, wNoreturn, wMerge, wLib, wDynlib,
wCompilerproc, wCore, wProcVar, wBase, wUsed,
wFatal, wError, wWarning, wHint, wLine, wPush, wPop, wDefine, wUndef,
wLinedir, wStacktrace, wLinetrace, wLink, wCompile,
wLinksys, wDeprecated, wVarargs, wCallconv, wBreakpoint, wDebugger,
wNimcall, wStdcall, wCdecl, wSafecall, wSyscall, wInline, wNoInline,
wFastcall, wClosure, wNoconv, wOn, wOff, wChecks, wRangechecks,
wBoundchecks, wOverflowchecks, wNilchecks,
wFloatchecks, wNanChecks, wInfChecks, wMoveChecks,
wAssertions, wPatterns, wWarnings,
wHints, wOptimization, wRaises, wWrites, wReads, wSize, wEffects, wTags,
wDeadCodeElimUnused, # deprecated, dead code elim always happens
wSafecode, wPackage, wNoForward, wReorder, wNoRewrite,
wPragma,
wCompileTime, wNoInit,
wPassc, wPassl, wBorrow, wDiscardable,
wFieldChecks,
wWatchPoint, wSubsChar,
wAcyclic, wShallow, wUnroll, wLinearScanEnd, wComputedGoto,
wInjectStmt, wExperimental,
wWrite, wGensym, wInject, wDirty, wInheritable, wThreadVar, wEmit,
wAsmNoStackFrame,
wImplicitStatic, wGlobal, wCodegenDecl, wUnchecked, wGuard, wLocks,
wPartial, wExplain, wLiftLocals,
wAuto, wBool, wCatch, wChar, wClass,
wConst_cast, wDefault, wDelete, wDouble, wDynamic_cast,
wExplicit, wExtern, wFalse, wFloat, wFriend,
wGoto, wInt, wLong, wMutable, wNamespace, wNew, wOperator,
wPrivate, wProtected, wPublic, wRegister, wReinterpret_cast,
wShort, wSigned, wSizeof, wStatic_cast, wStruct, wSwitch,
wThis, wThrow, wTrue, wTypedef, wTypeid, wTypename,
wUnion, wPacked, wUnsigned, wVirtual, wVoid, wVolatile, wWchar_t,
wAlignas, wAlignof, wConstexpr, wDecltype, wNullptr, wNoexcept,
wThread_local, wStatic_assert, wChar16_t, wChar32_t,
wStdIn, wStdOut, wStdErr,
wInOut, wByCopy, wByRef, wOneWay,
wBitsize,
TSpecialWords* = set[TSpecialWord]
const
oprLow* = ord(wColon)
oprHigh* = ord(wDotDot)
nimKeywordsLow* = ord(wAsm)
nimKeywordsHigh* = ord(wYield)
ccgKeywordsLow* = ord(wAuto)
ccgKeywordsHigh* = ord(wOneWay)
cppNimSharedKeywords* = {
wAsm, wBreak, wCase, wConst, wContinue, wDo, wElse, wEnum, wExport,
wFor, wIf, wReturn, wStatic, wTemplate, wTry, wWhile, wUsing}
specialWords*: array[low(TSpecialWord)..high(TSpecialWord), string] = ["",
"addr", "and", "as", "asm",
"bind", "block", "break", "case", "cast",
"concept", "const", "continue", "converter",
"defer", "discard", "distinct", "div", "do",
"elif", "else", "end", "enum", "except", "export",
"finally", "for", "from", "func", "if",
"import", "in", "include", "interface", "is", "isnot", "iterator",
"let",
"macro", "method", "mixin", "mod", "nil", "not", "notin",
"object", "of", "or",
"out", "proc", "ptr", "raise", "ref", "return",
"shl", "shr", "static",
"template", "try", "tuple", "type", "using", "var",
"when", "while", "xor",
"yield",
":", "::", "=", ".", "..",
"*", "-",
"magic", "thread", "final", "profiler", "memtracker", "objchecks", "intdefine", "strdefine",
"destroy",
"immediate", "constructor", "destructor", "delegator", "override",
"importcpp", "importobjc",
"importcompilerproc", "importc", "exportc", "exportnims",
"incompletestruct",
"requiresinit", "align", "nodecl", "pure", "sideeffect",
"header", "nosideeffect", "gcsafe", "noreturn", "merge", "lib", "dynlib",
"compilerproc", "core", "procvar", "base", "used",
"fatal", "error", "warning", "hint", "line",
"push", "pop", "define", "undef", "linedir", "stacktrace", "linetrace",
"link", "compile", "linksys", "deprecated", "varargs",
"callconv", "breakpoint", "debugger", "nimcall", "stdcall",
"cdecl", "safecall", "syscall", "inline", "noinline", "fastcall", "closure",
"noconv", "on", "off", "checks", "rangechecks", "boundchecks",
"overflowchecks", "nilchecks",
"floatchecks", "nanchecks", "infchecks", "movechecks",
"assertions", "patterns", "warnings", "hints",
"optimization", "raises", "writes", "reads", "size", "effects", "tags",
"deadcodeelim", # deprecated, dead code elim always happens
"safecode", "package", "noforward", "reorder", "norewrite",
"pragma",
"compiletime", "noinit",
"passc", "passl", "borrow", "discardable", "fieldchecks",
"watchpoint",
"subschar", "acyclic", "shallow", "unroll", "linearscanend",
"computedgoto", "injectstmt", "experimental",
"write", "gensym", "inject", "dirty", "inheritable", "threadvar", "emit",
"asmnostackframe", "implicitstatic", "global", "codegendecl", "unchecked",
"guard", "locks", "partial", "explain", "liftlocals",
"auto", "bool", "catch", "char", "class",
"const_cast", "default", "delete", "double",
"dynamic_cast", "explicit", "extern", "false",
"float", "friend", "goto", "int", "long", "mutable",
"namespace", "new", "operator",
"private", "protected", "public", "register", "reinterpret_cast",
"short", "signed", "sizeof", "static_cast", "struct", "switch",
"this", "throw", "true", "typedef", "typeid",
"typename", "union", "packed", "unsigned", "virtual", "void", "volatile",
"wchar_t",
"alignas", "alignof", "constexpr", "decltype", "nullptr", "noexcept",
"thread_local", "static_assert", "char16_t", "char32_t",
"stdin", "stdout", "stderr",
"inout", "bycopy", "byref", "oneway",
"bitsize",
]
proc findStr*(a: openArray[string], s: string): int =
for i in countup(low(a), high(a)):
if cmpIgnoreStyle(a[i], s) == 0:
return i
result = - 1
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