summary refs log tree commit diff stats
path: root/clojure/reverse-string/test
diff options
context:
space:
mode:
Diffstat (limited to 'clojure/reverse-string/test')
0 files changed, 0 insertions, 0 deletions
 

generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-07-09 16:52:17 +0000


 


3'>53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288


#
#
#           The Nim Compiler
#        (c) Copyright 2015 Andreas Rumpf
#
#    See the file "copying.txt", included in this
#    distribution, for details about the copyright.
#

# This include file implements the semantic checking for magics.
# included from sem.nim

proc semAddr(c: PContext; n: PNode; isUnsafeAddr=false): PNode =
  result = newNodeI(nkAddr, n.info)
  let x = semExprWithType(c, n)
  if x.kind == nkSym:
    x.sym.flags.incl(sfAddrTaken)
  if isAssignable(c, x, isUnsafeAddr) notin {arLValue, arLocalLValue}:
    localError(c.config, n.info, errExprHasNoAddress)
  result.add x
  result.typ = makePtrType(c, x.typ)

proc semTypeOf(c: PContext; n: PNode): PNode =
  result = newNodeI(nkTypeOfExpr, n.info)
  let typExpr = semExprWithType(c, n, {efInTypeof})
  result.add typExpr
  result.typ = makeTypeDesc(c, typExpr.typ)

type
  SemAsgnMode = enum asgnNormal, noOverloadedSubscript, noOverloadedAsgn

proc semAsgn(c: PContext, n: PNode; mode=asgnNormal): PNode
proc semSubscript(c: PContext, n: PNode, flags: TExprFlags): PNode

proc skipAddr(n: PNode): PNode {.inline.} =
  (if n.kind == nkHiddenAddr: n.sons[0] else: n)

proc semArrGet(c: PContext; n: PNode; flags: TExprFlags): PNode =
  result = newNodeI(nkBracketExpr, n.info)
  for i in 1..<n.len: result.add(n[i])
  result = semSubscript(c, result, flags)
  if result.isNil:
    let x = copyTree(n)
    x.sons[0] = newIdentNode(getIdent"[]", n.info)
    bracketNotFoundError(c, x)
    #localError(c.config, n.info, "could not resolve: " & $n)
    result = n

proc semArrPut(c: PContext; n: PNode; flags: TExprFlags): PNode =
  # rewrite `[]=`(a, i, x)  back to ``a[i] = x``.
  let b = newNodeI(nkBracketExpr, n.info)
  b.add(n[1].skipAddr)
  for i in 2..n.len-2: b.add(n[i])
  result = newNodeI(nkAsgn, n.info, 2)
  result.sons[0] = b
  result.sons[1] = n.lastSon
  result = semAsgn(c, result, noOverloadedSubscript)

proc semAsgnOpr(c: PContext; n: PNode): PNode =
  result = newNodeI(nkAsgn, n.info, 2)
  result.sons[0] = n[1]
  result.sons[1] = n[2]
  result = semAsgn(c, result, noOverloadedAsgn)

proc semIsPartOf(c: PContext, n: PNode, flags: TExprFlags): PNode =
  var r = isPartOf(n[1], n[2])
  result = newIntNodeT(ord(r), n, c.graph)

proc expectIntLit(c: PContext, n: PNode): int =
  let x = c.semConstExpr(c, n)
  case x.kind
  of nkIntLit..nkInt64Lit: result = int(x.intVal)
  else: localError(c.config, n.info, errIntLiteralExpected)

proc semInstantiationInfo(c: PContext, n: PNode): PNode =
  result = newNodeIT(nkTupleConstr, n.info, n.typ)
  let idx = expectIntLit(c, n.sons[1])
  let useFullPaths = expectIntLit(c, n.sons[2])
  let info = getInfoContext(idx)
  var filename = newNodeIT(nkStrLit, n.info, getSysType(c.graph, n.info, tyString))
  filename.strVal = if useFullPaths != 0: toFullPath(c.config, info) else: toFilename(c.config, info)
  var line = newNodeIT(nkIntLit, n.info, getSysType(c.graph, n.info, tyInt))
  line.intVal = toLinenumber(info)
  var column = newNodeIT(nkIntLit, n.info, getSysType(c.graph, n.info, tyInt))
  column.intVal = toColumn(info)
  result.add(filename)
  result.add(line)
  result.add(column)

proc toNode(t: PType, i: TLineInfo): PNode =
  result = newNodeIT(nkType, i, t)

const
  # these are types that use the bracket syntax for instantiation
  # they can be subjected to the type traits `genericHead` and
  # `Uninstantiated`
  tyUserDefinedGenerics* = {tyGenericInst, tyGenericInvocation,
                            tyUserTypeClassInst}

  tyMagicGenerics* = {tySet, tySequence, tyArray, tyOpenArray}

  tyGenericLike* = tyUserDefinedGenerics +
                   tyMagicGenerics +
                   {tyCompositeTypeClass}

proc uninstantiate(t: PType): PType =
  result = case t.kind
    of tyMagicGenerics: t
    of tyUserDefinedGenerics: t.base
    of tyCompositeTypeClass: uninstantiate t.sons[1]
    else: t

proc evalTypeTrait(c: PContext; traitCall: PNode, operand: PType, context: PSym): PNode =
  const skippedTypes = {tyTypeDesc, tyAlias, tySink}
  let trait = traitCall[0]
  internalAssert c.config, trait.kind == nkSym
  var operand = operand.skipTypes(skippedTypes)

  template operand2: PType =
    traitCall.sons[2].typ.skipTypes({tyTypeDesc})

  template typeWithSonsResult(kind, sons): PNode =
    newTypeWithSons(context, kind, sons).toNode(traitCall.info)

  case trait.sym.name.s
  of "or", "|":
    return typeWithSonsResult(tyOr, @[operand, operand2])
  of "and":
    return typeWithSonsResult(tyAnd, @[operand, operand2])
  of "not":
    return typeWithSonsResult(tyNot, @[operand])
  of "name":
    result = newStrNode(nkStrLit, operand.typeToString(preferTypeName))
    result.typ = newType(tyString, context)
    result.info = traitCall.info
  of "arity":
    result = newIntNode(nkIntLit, operand.len - ord(operand.kind==tyProc))
    result.typ = newType(tyInt, context)
    result.info = traitCall.info
  of "genericHead":
    var res = uninstantiate(operand)
    if res == operand and res.kind notin tyMagicGenerics:
      localError(c.config, traitCall.info,
        "genericHead expects a generic type. The given type was " &
        typeToString(operand))
      return newType(tyError, context).toNode(traitCall.info)
    result = res.base.toNode(traitCall.info)
  of "stripGenericParams":
    result = uninstantiate(operand).toNode(traitCall.info)
  of "supportsCopyMem":
    let t = operand.skipTypes({tyVar, tyLent, tyGenericInst, tyAlias, tySink, tyInferred})
    let complexObj = containsGarbageCollectedRef(t) or
                     hasDestructor(t)
    result = newIntNodeT(ord(not complexObj), traitCall, c.graph)
  else:
    localError(c.config, traitCall.info, "unknown trait")
    result = newNodeI(nkEmpty, traitCall.info)

proc semTypeTraits(c: PContext, n: PNode): PNode =
  checkMinSonsLen(n, 2, c.config)
  let t = n.sons[1].typ
  internalAssert c.config, t != nil and t.kind == tyTypeDesc
  if t.sonsLen > 0:
    # This is either a type known to sem or a typedesc
    # param to a regular proc (again, known at instantiation)
    result = evalTypeTrait(c, n, t, getCurrOwner(c))
  else:
    # a typedesc variable, pass unmodified to evals
    result = n

proc semOrd(c: PContext, n: PNode): PNode =
  result = n
  let parType = n.sons[1].typ
  if isOrdinalType(parType):
    discard
  elif parType.kind == tySet:
    result.typ = makeRangeType(c, firstOrd(c.config, parType), lastOrd(c.config, parType), n.info)
  else:
    localError(c.config, n.info, errOrdinalTypeExpected)
    result.typ = errorType(c)

proc semBindSym(c: PContext, n: PNode): PNode =
  result = copyNode(n)
  result.add(n.sons[0])

  let sl = semConstExpr(c, n.sons[1])
  if sl.kind notin {nkStrLit, nkRStrLit, nkTripleStrLit}:
    localError(c.config, n.sons[1].info, errStringLiteralExpected)
    return errorNode(c, n)

  let isMixin = semConstExpr(c, n.sons[2])
  if isMixin.kind != nkIntLit or isMixin.intVal < 0 or
      isMixin.intVal > high(TSymChoiceRule).int:
    localError(c.config, n.sons[2].info, errConstExprExpected)
    return errorNode(c, n)

  let id = newIdentNode(getIdent(sl.strVal), n.info)
  let s = qualifiedLookUp(c, id, {checkUndeclared})
  if s != nil:
    # we need to mark all symbols:
    var sc = symChoice(c, id, s, TSymChoiceRule(isMixin.intVal))
    if not (c.inStaticContext > 0 or getCurrOwner(c).isCompileTimeProc):
      # inside regular code, bindSym resolves to the sym-choice
      # nodes (see tinspectsymbol)
      return sc
    result.add(sc)
  else:
    errorUndeclaredIdentifier(c, n.sons[1].info, sl.strVal)

proc semShallowCopy(c: PContext, n: PNode, flags: TExprFlags): PNode

proc semOf(c: PContext, n: PNode): PNode =
  if sonsLen(n) == 3:
    n.sons[1] = semExprWithType(c, n.sons[1])
    n.sons[2] = semExprWithType(c, n.sons[2], {efDetermineType})
    #restoreOldStyleType(n.sons[1])
    #restoreOldStyleType(n.sons[2])
    let a = skipTypes(n.sons[1].typ, abstractPtrs)
    let b = skipTypes(n.sons[2].typ, abstractPtrs)
    let x = skipTypes(n.sons[1].typ, abstractPtrs-{tyTypeDesc})
    let y = skipTypes(n.sons[2].typ, abstractPtrs-{tyTypeDesc})

    if x.kind == tyTypeDesc or y.kind != tyTypeDesc:
      localError(c.config, n.info, "'of' takes object types")
    elif b.kind != tyObject or a.kind != tyObject:
      localError(c.config, n.info, "'of' takes object types")
    else:
      let diff = inheritanceDiff(a, b)
      # | returns: 0 iff `a` == `b`
      # | returns: -x iff `a` is the x'th direct superclass of `b`
      # | returns: +x iff `a` is the x'th direct subclass of `b`
      # | returns: `maxint` iff `a` and `b` are not compatible at all
      if diff <= 0:
        # optimize to true:
        message(c.config, n.info, hintConditionAlwaysTrue, renderTree(n))
        result = newIntNode(nkIntLit, 1)
        result.info = n.info
        result.typ = getSysType(c.graph, n.info, tyBool)
        return result
      elif diff == high(int):
        localError(c.config, n.info, "'$1' cannot be of this subtype" % typeToString(a))
  else:
    localError(c.config, n.info, "'of' takes 2 arguments")
  n.typ = getSysType(c.graph, n.info, tyBool)
  result = n

proc magicsAfterOverloadResolution(c: PContext, n: PNode,
                                   flags: TExprFlags): PNode =
  case n[0].sym.magic
  of mAddr:
    checkSonsLen(n, 2, c.config)
    result = semAddr(c, n.sons[1], n[0].sym.name.s == "unsafeAddr")
  of mTypeOf:
    checkSonsLen(n, 2, c.config)
    result = semTypeOf(c, n.sons[1])
  of mArrGet: result = semArrGet(c, n, flags)
  of mArrPut: result = semArrPut(c, n, flags)
  of mAsgn:
    if n[0].sym.name.s == "=":
      result = semAsgnOpr(c, n)
    else:
      result = n
  of mIsPartOf: result = semIsPartOf(c, n, flags)
  of mTypeTrait: result = semTypeTraits(c, n)
  of mAstToStr:
    result = newStrNodeT(renderTree(n[1], {renderNoComments}), n, c.graph)
    result.typ = getSysType(c.graph, n.info, tyString)
  of mInstantiationInfo: result = semInstantiationInfo(c, n)
  of mOrd: result = semOrd(c, n)
  of mOf: result = semOf(c, n)
  of mHigh, mLow: result = semLowHigh(c, n, n[0].sym.magic)
  of mShallowCopy: result = semShallowCopy(c, n, flags)
  of mNBindSym: result = semBindSym(c, n)
  of mProcCall:
    result = n
    result.typ = n[1].typ
  of mDotDot:
    result = n
  of mRoof:
    localError(c.config, n.info, "builtin roof operator is not supported anymore")
  of mPlugin:
    let plugin = getPlugin(n[0].sym)
    if plugin.isNil:
      localError(c.config, n.info, "cannot find plugin " & n[0].sym.name.s)
      result = n
    else:
      result = plugin(c, n)
  else: result = n




 

generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-07-09 16:52:17 +0000