suckless/dwm - Unnamed repository; edit this file 'description' to name the repository.

about summary refs log tree commit diff stats

diff options

Diffstat (limited to 'main.c')

0 files changed, 0 insertions, 0 deletions

n78' href='#n78'>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

/seminst.nim?h=devel&id=6c2050912166a4960b40c3825afb1a31cfdde0eb'>6c2050912 ^

085b339b8 ^

de3b7cd41 ^

da190876d ^

9fb36bd20 ^

92b8fac94 ^

9fb36bd20 ^

7e4401549 ^

92b8fac94 ^

7e4401549 ^

c7158af75 ^

92b8fac94 ^

fd62116f6 ^

e25474154 ^

569c1ce5e ^

e25474154 ^

e6f3f46cd ^

badb6c0f6 ^

a27eb5153 ^

569c1ce5e ^

e25474154 ^

92b8fac94 ^

e6f3f46cd ^

e25474154 ^

3005955d2 ^

043921c7a ^

92b8fac94 ^

043921c7a ^

92b8fac94 ^

043921c7a ^

dfb5cb3c5 ^

6781da521 ^

c51763915 ^

b731e6ef1 ^

6781da521 ^

dfb5cb3c5 ^

c6d061111 ^

dfb5cb3c5 ^

cd0067928 ^

043921c7a ^

92b8fac94 ^

043921c7a ^

759b3201a ^

b64eeeb43 ^

244c14db0 ^

6781da521 ^

b731e6ef1 ^

6781da521 ^

55f8ed245 ^

6781da521 ^

9a6f47ae6 ^

6781da521 ^

c51763915 ^

6781da521 ^

9a6f47ae6 ^

6781da521 ^

fd62116f6 ^

92b8fac94 ^

fd62116f6 ^

a27eb5153 ^

8e0941576 ^

dfb5cb3c5 ^

dfb5cb3c5 ^

6bcdb9c8f ^

e25474154 ^

b731e6ef1 ^

b5d34242c ^

6c2050912 ^

9fb36bd20 ^

b01d9b618 ^

e25474154 ^

b01d9b618 ^

e25474154 ^

9a6f47ae6 ^

1ffae7cba ^

e25474154 ^

e6f3f46cd ^

72291875b ^

5b28d0820 ^

2df9b442c ^

569c1ce5e ^

e6f3f46cd ^

55f8ed245 ^

fd62116f6 ^

c51763915 ^

37b199d34 ^

92b8fac94 ^

623fd8a8a ^

e25474154 ^

9a6f47ae6 ^

e25474154 ^

b01d9b618 ^

9fb36bd20 ^

b731e6ef1 ^

c43697b59 ^


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
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



                               
                                         



                                                   
 
                                                            
                       
 
                                                                     
                                                              
                                
                                                                           
                                    
                      
                        
                                                                     
                 
                                                                                     
              
                                                          
                                               
                                        
                




                                                                      
                                                           
                        
                                   
                                                                       



                                           

                 
                              
 


                                                    
                                                                 
                                                                
                 
 
                                                                     



                                          
 















                                                                           


                                                                
                                           


                               
                                  



                                                                     

                                                               
                                                           
                                     
                       


                                                                
                         

                                          


                                             
                                

                           
                      
                                   
                         
                     
                                                        


                                             
                       

                                                     


                                           
                                  
                  
                        
                                           
                                   
                   

                      


                                                
                                                    



                                                                    

                                                                      







                                       



                                                                        
                                                          


                                                    
                                  

                                                                         

                                                                   
                                                                              


                                

                                

                                   
                   

                   
              
                                                         

                                      


                                                                       
                                                        
                                          
                                           
                   
                                   
                                           

                                                              

                                            

                                 
                                  
       

                   
                                                      
            
                            
                            
                    
                                                     
#
#
#           The Nimrod Compiler
#        (c) Copyright 2012 Andreas Rumpf
#
#    See the file "copying.txt", included in this
#    distribution, for details about the copyright.
#

# This module implements the instantiation of generic procs.
# included from sem.nim

proc instantiateGenericParamList(c: PContext, n: PNode, pt: TIdTable,
                                 entry: var TInstantiation) = 
  if n.kind != nkGenericParams: 
    internalError(n.info, "instantiateGenericParamList; no generic params")
  newSeq(entry.concreteTypes, n.len)
  for i, a in n.pairs:
    if a.kind != nkSym: 
      internalError(a.info, "instantiateGenericParamList; no symbol")
    var q = a.sym
    if q.typ.kind notin {tyTypeDesc, tyGenericParam, tyStatic, tyIter}+tyTypeClasses:
      continue
    var s = newSym(skType, q.name, getCurrOwner(), q.info)
    s.flags = s.flags + {sfUsed, sfFromGeneric}
    var t = PType(idTableGet(pt, q.typ))
    if t == nil:
      if tfRetType in q.typ.flags:
        # keep the generic type and allow the return type to be bound 
        # later by semAsgn in return type inference scenario
        t = q.typ
      else:
        localError(a.info, errCannotInstantiateX, s.name.s)
        t = errorType(c)
    elif t.kind == tyGenericParam: 
      internalError(a.info, "instantiateGenericParamList: " & q.name.s)
    elif t.kind == tyGenericInvokation:
      #t = instGenericContainer(c, a, t)
      t = generateTypeInstance(c, pt, a, t)
      #t = ReplaceTypeVarsT(cl, t)
    s.typ = t
    addDecl(c, s)
    entry.concreteTypes[i] = t

proc sameInstantiation(a, b: TInstantiation): bool =
  if a.concreteTypes.len == b.concreteTypes.len:
    for i in 0..a.concreteTypes.high:
      if not compareTypes(a.concreteTypes[i], b.concreteTypes[i],
                          flags = {ExactTypeDescValues}): return
    result = true

proc genericCacheGet(genericSym: PSym, entry: TInstantiation): PSym =
  if genericSym.procInstCache != nil:
    for inst in genericSym.procInstCache:
      if sameInstantiation(entry, inst[]):
        return inst.sym

proc removeDefaultParamValues(n: PNode) = 
  # we remove default params, because they cannot be instantiated properly
  # and they are not needed anyway for instantiation (each param is already
  # provided).
  when false:
    for i in countup(1, sonsLen(n)-1): 
      var a = n.sons[i]
      if a.kind != nkIdentDefs: IllFormedAst(a)
      var L = a.len
      if a.sons[L-1].kind != nkEmpty and a.sons[L-2].kind != nkEmpty:
        # ``param: typ = defaultVal``. 
        # We don't need defaultVal for semantic checking and it's wrong for
        # ``cmp: proc (a, b: T): int = cmp``. Hm, for ``cmp = cmp`` that is
        # not possible... XXX We don't solve this issue here.
        a.sons[L-1] = ast.emptyNode

proc freshGenSyms(n: PNode, owner: PSym, symMap: var TIdTable) =
  # we need to create a fresh set of gensym'ed symbols:
  if n.kind == nkSym and sfGenSym in n.sym.flags:
    var x = PSym(idTableGet(symMap, n.sym))
    if x == nil:
      x = copySym(n.sym, false)
      x.owner = owner
      idTablePut(symMap, n.sym, x)
    n.sym = x
  else:
    for i in 0 .. <safeLen(n): freshGenSyms(n.sons[i], owner, symMap)

proc addParamOrResult(c: PContext, param: PSym, kind: TSymKind)

proc instantiateBody(c: PContext, n: PNode, result: PSym) =
  if n.sons[bodyPos].kind != nkEmpty:
    inc c.inGenericInst
    # add it here, so that recursive generic procs are possible:
    addDecl(c, result)
    pushProcCon(c, result)
    # add params to scope
    for i in 1 .. <result.typ.n.len:
      var param = result.typ.n.sons[i].sym
      param.owner = result
      addParamOrResult(c, param, result.kind)
    # debug result.typ.n
    maybeAddResult(c, result, n)
    var b = n.sons[bodyPos]
    var symMap: TIdTable
    initIdTable symMap
    freshGenSyms(b, result, symMap)
    b = semProcBody(c, b)
    b = hloBody(c, b)
    n.sons[bodyPos] = transformBody(c.module, b, result)
    #echo "code instantiated ", result.name.s
    excl(result.flags, sfForward)
    popProcCon(c)
    dec c.inGenericInst

proc fixupInstantiatedSymbols(c: PContext, s: PSym) =
  for i in countup(0, c.generics.len - 1):
    if c.generics[i].genericSym.id == s.id:
      var oldPrc = c.generics[i].inst.sym
      pushInfoContext(oldPrc.info)
      openScope(c)
      var n = oldPrc.ast
      n.sons[bodyPos] = copyTree(s.getBody)
      instantiateBody(c, n, oldPrc)
      closeScope(c)
      popInfoContext()

proc sideEffectsCheck(c: PContext, s: PSym) = 
  if {sfNoSideEffect, sfSideEffect} * s.flags ==
      {sfNoSideEffect, sfSideEffect}: 
    localError(s.info, errXhasSideEffects, s.name.s)
  elif sfThread in s.flags and semthreads.needsGlobalAnalysis() and 
      s.ast.sons[genericParamsPos].kind == nkEmpty:
    c.threadEntries.add(s)

proc instGenericContainer(c: PContext, info: TLineInfo, header: PType,
                          allowMetaTypes = false): PType =
  var cl: TReplTypeVars
  initIdTable(cl.symMap)
  initIdTable(cl.typeMap)
  initIdTable(cl.localCache)
  cl.info = info
  cl.c = c
  cl.allowMetaTypes = allowMetaTypes
  result = replaceTypeVarsT(cl, header)

proc instGenericContainer(c: PContext, n: PNode, header: PType): PType =
  result = instGenericContainer(c, n.info, header)

proc generateInstance(c: PContext, fn: PSym, pt: TIdTable,
                      info: TLineInfo): PSym =
  # no need to instantiate generic templates/macros:
  if fn.kind in {skTemplate, skMacro}: return fn
  # generates an instantiated proc
  if c.instCounter > 1000: internalError(fn.ast.info, "nesting too deep")
  inc(c.instCounter)
  # careful! we copy the whole AST including the possibly nil body!
  var n = copyTree(fn.ast)
  # NOTE: for access of private fields within generics from a different module
  # we set the friend module:
  var oldFriend = c.friendModule
  c.friendModule = getModule(fn)
  #let oldScope = c.currentScope
  #c.currentScope = fn.scope
  result = copySym(fn, false)
  incl(result.flags, sfFromGeneric)
  result.owner = fn
  result.ast = n
  pushOwner(result)
  openScope(c)
  internalAssert n.sons[genericParamsPos].kind != nkEmpty
  n.sons[namePos] = newSymNode(result)
  pushInfoContext(info)
  var entry = TInstantiation.new
  entry.sym = result
  instantiateGenericParamList(c, n.sons[genericParamsPos], pt, entry[])
  result.typ = generateTypeInstance(c, pt, info, fn.typ)
  n.sons[genericParamsPos] = ast.emptyNode
  var oldPrc = genericCacheGet(fn, entry[])
  if oldPrc == nil:
    fn.procInstCache.safeAdd(entry)
    c.generics.add(makeInstPair(fn, entry))
    if n.sons[pragmasPos].kind != nkEmpty:
      pragma(c, result, n.sons[pragmasPos], allRoutinePragmas)
    if isNil(n.sons[bodyPos]):
      n.sons[bodyPos] = copyTree(fn.getBody)
    instantiateBody(c, n, result)
    sideEffectsCheck(c, result)
    paramsTypeCheck(c, result.typ)
  else:
    result = oldPrc
  popInfoContext()
  closeScope(c)           # close scope for parameters
  popOwner()
  #c.currentScope = oldScope
  c.friendModule = oldFriend
  dec(c.instCounter)
  if result.kind == skMethod: finishMethod(c, result)




 
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-08-03 08:32:33 +0000


context:
space:
mode: