minpkg/core/utils.nim
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 |
import strutils, critbits import baseutils, parser, value, json, scope, interpreter # Library methods proc define*(i: In): ref MinScope = var scope = newScopeRef(i.scope, minNativeScope) scope.parent = i.scope return scope proc symbol*(scope: ref MinScope, sym: string, p: MinOperatorProc) = scope.symbols[sym] = MinOperator(prc: p, kind: minProcOp, sealed: true) proc symbol*(scope: ref MinScope, sym: string, v: MinValue) = scope.symbols[sym] = MinOperator(val: v, kind: minValOp, sealed: true) proc sigil*(scope: ref MinScope, sym: string, p: MinOperatorProc) = scope.sigils[sym] = MinOperator(prc: p, kind: minProcOp, sealed: true) proc sigil*(scope: ref MinScope, sym: string, v: MinValue) = scope.sigils[sym] = MinOperator(val: v, kind: minValOp, sealed: true) proc finalize*(scope: ref MinScope, name: string = "") = var mdl = newDict(scope) mdl.scope = scope mdl.objType = "module" let op = proc(i: In) {.closure.} = i.evaluating = true i.push mdl i.evaluating = false if name != "": scope.previous.symbols[name] = MinOperator(kind: minProcOp, prc: op) # Dictionary Methods proc dget*(i: In, q: MinValue, s: MinValue): MinValue = if not q.isDictionary: raiseInvalid("Value is not a dictionary") if q.dVal[s.getString].kind == minProcOp: raiseInvalid("Key '$1' is set to a native value that cannot be retrieved." % [s.getString]) result = q.dVal[s.getString].val proc dget*(i: In, q: MinValue, s: string): MinValue = if not q.isDictionary: raiseInvalid("Value is not a dictionary") if q.dVal[s].kind == minProcOp: raiseInvalid("Key $1 is set to a native value that cannot be retrieved." % [s]) result = q.dVal[s].val proc dhas*(q: MinValue, s: MinValue): bool = if not q.isDictionary: raiseInvalid("Value is not a dictionary") return q.dVal.contains(s.getString) proc dhas*(q: MinValue, s: string): bool = if not q.isDictionary: raiseInvalid("Value is not a dictionary") return q.dVal.contains(s) proc ddel*(i: In, p: var MinValue, s: MinValue): MinValue {.discardable, extern:"min_exported_symbol_$1".} = if not p.isDictionary: raiseInvalid("Value is not a dictionary") excl(p.scope.symbols, s.getString) return p proc ddel*(i: In, p: var MinValue, s: string): MinValue {.discardable, extern:"min_exported_symbol_$1_2".} = if not p.isDictionary: raiseInvalid("Value is not a dictionary") excl(p.scope.symbols, s) return p proc dset*(i: In, p: var MinValue, s: MinValue, m: MinValue): MinValue {.discardable, extern:"min_exported_symbol_$1".}= if not p.isDictionary: raiseInvalid("Value is not a dictionary") var q = m p.scope.symbols[s.getString] = MinOperator(kind: minValOp, val: q, sealed: false) return p proc dset*(i: In, p: var MinValue, s: string, m: MinValue): MinValue {.discardable, extern:"min_exported_symbol_$1_2".}= if not p.isDictionary: raiseInvalid("Value is not a dictionary") var q = m p.scope.symbols[s] = MinOperator(kind: minValOp, val: q, sealed: false) return p proc keys*(i: In, q: MinValue): MinValue = # Assumes q is a dictionary var r = newSeq[MinValue](0) for i in q.dVal.keys: r.add newVal(i) return r.newVal proc values*(i: In, q: MinValue): MinValue = # Assumes q is a dictionary var r = newSeq[MinValue](0) for item in q.dVal.values: if item.kind == minProcOp: raiseInvalid("Dictionary contains native values that cannot be accessed.") r.add item.val return r.newVal proc pairs*(i: In, q: MinValue): MinValue = # Assumes q is a dictionary var r = newSeq[MinValue](0) for key, value in q.dVal.pairs: if value.kind == minProcOp: raiseInvalid("Dictionary contains native values that cannot be accessed.") r.add key.newVal r.add value.val return r.newVal # JSON interop proc `%`*(i: In, a: MinValue): JsonNode = case a.kind: of minBool: return %a.boolVal of minNull: return newJNull() of minSymbol: return %(";sym:$1" % [a.getstring]) of minString: return %a.strVal of minInt: return %a.intVal of minFloat: return %a.floatVal of minQuotation: result = newJArray() for it in a.qVal: result.add(i%it) of minDictionary: result = newJObject() for it in a.dVal.pairs: result[it.key] = i%i.dget(a, it.key) proc fromJson*(i: In, json: JsonNode): MinValue = case json.kind: of JNull: result = newNull() of JBool: result = json.getBool.newVal of JInt: result = json.getBiggestInt.newVal of JFloat: result = json.getFloat.newVal of JString: let s = json.getStr if s.startsWith(";sym:"): result = s.replace(";sym:", "").newSym else: result = json.getStr.newVal of JObject: var res = newDict(i.scope) for key, value in json.pairs: discard i.dset(res, key, i.fromJson(value)) return res of JArray: var res = newSeq[MinValue](0) for value in json.items: res.add i.fromJson(value) return res.newVal # Validators proc basicValidate*(i: In, value: MinValue, t: string): bool = case t: of "bool": return value.isBool of "null": return value.isNull of "int": return value.isInt of "num": return value.isNumber of "quot": return value.isQuotation of "dict": return value.isDictionary of "'sym": return value.isStringLike of "sym": return value.isSymbol of "float": return value.isFloat of "string": return value.isString of "a": return true else: if t.contains(":"): var split = t.split(":") # Typed dictionaries if split[0] == "dict": if value.isTypedDictionary(split[1]): return true return false elif i.scope.hasSymbol("type:$#" % t): # Custom type class var i2 = i.copy(i.filename) i2.withScope(): i2.push value i2.pushSym("type:$#" % t) let res = i2.pop if not res.isBool: raiseInvalid("Type class '$#' does not evaluate to a boolean value ($# was returned instead)" % [t, $res]) return res.boolVal else: raiseInvalid("Unknown type '$#'" % t) proc validate*(i: In, value: MinValue, t: string, generics: var CritBitTree[string]): bool = if generics.hasKey(t): let ts = generics[t].split("|") for tp in ts: if i.basicValidate(value, tp): generics[t] = tp # lock type for future uses within same signature return true return false return i.basicValidate(value, t) proc validate*(i: In, value: MinValue, t: string): bool = return i.basicValidate(value, t) proc validType*(i: In, s: string): bool = const ts = ["bool", "null", "int", "num", "float", "quot", "dict", "'sym", "sym", "string", "a"] if ts.contains(s): return true if i.scope.hasSymbol("type:$#" % s): return true for tt in s.split("|"): if not ts.contains(tt) and not tt.startsWith("dict:") and not i.scope.hasSymbol("type:$#" % tt): return false return true proc expect*(i: var MinInterpreter, elements: varargs[string], generics: var CritBitTree[string]): seq[MinValue] = let sym = i.currSym.getString var valid = newSeq[string](0) result = newSeq[MinValue](0) let message = proc(invalid: string, elements: varargs[string], generics: CritBitTree[string]): string = var pelements = newSeq[string](0) for e in elements.reverse: if generics.hasKey(e): pelements.add(generics[e]) else: pelements.add e let stack = pelements.reverse.join(" ") result = "Incorrect values found on the stack:\n" result &= "- expected: " & stack & " $1\n" % sym var other = "" if valid.len > 0: other = valid.reverse.join(" ") & " " result &= "- got: " & invalid & " " & other & sym for el in elements: var element = el let value = i.pop result.add value var split = element.split("|") if split.len > 1: var res = false for t in split: if i.validate(value, t, generics): res = true break if not res: raiseInvalid(message(value.typeName, elements, generics)) elif not i.validate(value, element, generics): raiseInvalid(message(value.typeName, elements, generics)) if generics.hasKey(el): valid.add(generics[el]) else: valid.add element proc expect*(i: var MinInterpreter, elements: varargs[string]): seq[MinValue] = let stack = elements.reverse.join(" ") let sym = i.currSym.getString var valid = newSeq[string](0) result = newSeq[MinValue](0) let message = proc(invalid: string): string = result = "Incorrect values found on the stack:\n" result &= "- expected: " & stack & " $1\n" % sym var other = "" if valid.len > 0: other = valid.reverse.join(" ") & " " result &= "- got: " & invalid & " " & other & sym for element in elements: let value = i.pop result.add value var split = element.split("|") if split.len > 1: var res = false for t in split: if i.validate(value, t): res = true break if not res: raiseInvalid(message(value.typeName)) elif not i.validate(value, element): raiseInvalid(message(value.typeName)) valid.add element proc reqQuotationOfQuotations*(i: var MinInterpreter, a: var MinValue) = a = i.pop if not a.isQuotation: raiseInvalid("A quotation is required on the stack") for s in a.qVal: if not s.isQuotation: raiseInvalid("A quotation of quotations is required on the stack") proc reqQuotationOfNumbers*(i: var MinInterpreter, a: var MinValue) = a = i.pop if not a.isQuotation: raiseInvalid("A quotation is required on the stack") for s in a.qVal: if not s.isNumber: raiseInvalid("A quotation of numbers is required on the stack") proc reqQuotationOfSymbols*(i: var MinInterpreter, a: var MinValue) = a = i.pop if not a.isQuotation: raiseInvalid("A quotation is required on the stack") for s in a.qVal: if not s.isSymbol: raiseInvalid("A quotation of symbols is required on the stack") proc reqTwoNumbersOrStrings*(i: var MinInterpreter, a, b: var MinValue) = a = i.pop b = i.pop if not (a.isString and b.isString or a.isNumber and b.isNumber): raiseInvalid("Two numbers or two strings are required on the stack") proc reqStringOrQuotation*(i: var MinInterpreter, a: var MinValue) = a = i.pop if not a.isQuotation and not a.isString: raiseInvalid("A quotation or a string is required on the stack") proc reqTwoQuotationsOrStrings*(i: var MinInterpreter, a, b: var MinValue) = a = i.pop b = i.pop if not (a.isQuotation and b.isQuotation or a.isString and b.isString): raiseInvalid("Two quotations or two strings are required on the stack") |