core/utils.nim
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import strutils, critbits, json, terminal import ../packages/nim-sgregex/sgregex, parser, value, scope, interpreter # Library methods proc define*(i: In): ref MinScope = var scope = new MinScope scope.parent = i.scope return scope proc symbol*(scope: ref MinScope, sym: string, p: MinOperatorProc): ref MinScope = scope.symbols[sym] = MinOperator(prc: p, kind: minProcOp, sealed: true) return scope proc symbol*(scope: ref MinScope, sym: string, v: MinValue): ref MinScope = scope.symbols[sym] = MinOperator(val: v, kind: minValOp, sealed: true) return scope proc sigil*(scope: ref MinScope, sym: string, p: MinOperatorProc): ref MinScope = scope.sigils[sym] = MinOperator(prc: p, kind: minProcOp, sealed: true) return scope proc sigil*(scope: ref MinScope, sym: string, v: MinValue): ref MinScope = scope.sigils[sym] = MinOperator(val: v, kind: minValOp, sealed: true) return scope proc finalize*(scope: ref MinScope, name: string = "") = var mdl = newSeq[MinValue](0).newVal(nil) mdl.scope = scope let op = proc(i: In) {.gcsafe, 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*(q: MinValue, s: MinValue): MinValue = # Assumes q is a dictionary for v in q.qVal: if v.qVal[0].getString == s.getString: return v.qVal[1] raiseInvalid("Dictionary key '$1' not found" % s.getString) proc dhas*(q: MinValue, s: MinValue): bool = # Assumes q is a dictionary for v in q.qVal: if v.qVal[0].getString == s.getString: return true return false proc ddel*(i: In, p: MinValue, s: MinValue): MinValue {.discardable.} = # Assumes q is a dictionary var q = newVal(p.qVal, i.scope) var found = false var c = -1 for v in q.qVal: c.inc if v.qVal[0].getString == s.getString: found = true break if found: q.qVal.delete(c) return q proc dset*(i: In, p: MinValue, s: MinValue, m: MinValue): MinValue {.discardable.}= # Assumes q is a dictionary var q = newVal(p.qVal, i.scope) var found = false var c = -1 for v in q.qVal: c.inc if v.qVal[0].getString == s.getString: found = true break if found: q.qVal.delete(c) q.qVal.insert(@[s.getString.newSym, m].newVal(i.scope), c) else: q.qVal.add(@[s.getString.newSym, m].newVal(i.scope)) return q proc keys*(i: In, q: MinValue): MinValue = # Assumes q is a dictionary result = newSeq[MinValue](0).newVal(i.scope) for v in q.qVal: result.qVal.add v.qVal[0] proc values*(i: In, q: MinValue): MinValue = # Assumes q is a dictionary result = newSeq[MinValue](0).newVal(i.scope) for v in q.qVal: result.qVal.add v.qVal[1] # JSON interop proc `%`*(a: MinValue): JsonNode = case a.kind: of minBool: return %a.boolVal of minSymbol: return %(";sym:$1" % [a.symVal]) of minString: return %a.strVal of minInt: return %a.intVal of minFloat: return %a.floatVal of minQuotation: if a.isDictionary: result = newJObject() for i in a.qVal: result[$i.qVal[0].symVal] = %i.qVal[1] else: result = newJArray() for i in a.qVal: result.add %i proc fromJson*(i: In, json: JsonNode): MinValue = case json.kind: of JNull: result = newSeq[MinValue](0).newVal(i.scope) of JBool: result = json.getBVal.newVal of JInt: result = json.getNum.newVal of JFloat: result = json.getFNum.newVal of JString: let s = json.getStr if s.match("^;sym:"): result = sgregex.replace(s, "^;sym:", "").newSym else: result = json.getStr.newVal of JObject: var res = newSeq[MinValue](0) for key, value in json.pairs: res.add @[key.newSym, i.fromJson(value)].newVal(i.scope) return res.newVal(i.scope) of JArray: var res = newSeq[MinValue](0) for value in json.items: res.add i.fromJson(value) return res.newVal(i.scope) # Validators proc reqStackSize*(i: var MinInterpreter, n: int) = if i.stack.len < n: raiseEmptyStack() proc reqBool*(i: var MinInterpreter, a: var MinValue) = a = i.pop if not a.isBool: raiseInvalid("A bool value is required on the stack") proc reqTwoBools*(i: var MinInterpreter, a, b: var MinValue) = a = i.pop b = i.pop if not a.isBool or not b.isBool: raiseInvalid("Two bool values are required on the stack") proc reqInt*(i: var MinInterpreter, a: var MinValue) = a = i.pop if not a.isInt: raiseInvalid("An integer is required on the stack") proc reqNumber*(i: var MinInterpreter, a: var MinValue) = a = i.pop if not a.isNumber: raiseInvalid("A number is required on the stack") proc reqTwoInts*(i: var MinInterpreter, a, b: var MinValue) = a = i.pop b = i.pop if not a.isInt or not b.isInt: raiseInvalid("Two integers are required on the stack") proc reqQuotation*(i: var MinInterpreter, a: var MinValue) = a = i.pop if not a.isQuotation: raiseInvalid("A quotation is required on the stack") 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 reqIntAndQuotation*(i: var MinInterpreter, a, b: var MinValue) = a = i.pop b = i.pop if not (a.isInt and b.isQuotation): raiseInvalid("An integer and a quotation are required on the stack") proc reqTwoNumbers*(i: var MinInterpreter, a, b: var MinValue) = a = i.pop b = i.pop if not (a.isNumber and b.isNumber): raiseInvalid("Two numbers are 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 reqIntAndString*(i: var MinInterpreter, b, a: var MinValue) = b = i.pop a = i.pop if not (a.isString and b.isInt): raiseInvalid("A string and a number are required on the stack") proc reqString*(i: var MinInterpreter, a: var MinValue) = a = i.pop if not a.isString: raiseInvalid("A string is required on the stack") proc reqStringLikeAndQuotation*(i: var MinInterpreter, a, q: var MinValue) = a = i.pop q = i.pop if not a.isStringLike or not q.isQuotation: raiseInvalid("A string or symbol and a quotation are required on the stack") proc reqQuotationAndString*(i: var MinInterpreter, q, a: var MinValue) = q = i.pop a = i.pop if not a.isString or not q.isQuotation: raiseInvalid("A string and a quotation are required on the stack") proc reqQuotationAndStringLike*(i: var MinInterpreter, q, a: var MinValue) = q = i.pop a = i.pop if not a.isStringLike or not q.isQuotation: raiseInvalid("A quotation and a string or a symbol 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 reqStringLike*(i: var MinInterpreter, a: var MinValue) = a = i.pop if not a.isStringLike: raiseInvalid("A quoted symbol or a string is required on the stack") proc reqTwoStrings*(i: var MinInterpreter, a, b: var MinValue) = a = i.pop b = i.pop if not a.isString or not b.isString: raiseInvalid("Two strings are required on the stack") proc reqTwoStringLike*(i: var MinInterpreter, a, b: var MinValue) = a = i.pop b = i.pop if not a.isStringLike or not b.isStringLike: raiseInvalid("Two symbols or strings are required on the stack") proc reqThreeStrings*(i: var MinInterpreter, a, b, c: var MinValue) = a = i.pop b = i.pop c = i.pop if not a.isString or not b.isString or not c.isString: raiseInvalid("Three strings are required on the stack") proc reqTwoQuotations*(i: var MinInterpreter, a, b: var MinValue) = a = i.pop b = i.pop if not a.isQuotation or not b.isQuotation: raiseInvalid("Two quotations are 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") proc reqThreeQuotations*(i: var MinInterpreter, a, b, c: var MinValue) = a = i.pop b = i.pop c = i.pop if not a.isQuotation or not b.isQuotation or not c.isQuotation: raiseInvalid("Three quotations are required on the stack") proc reqFourQuotations*(i: var MinInterpreter, a, b, c, d: var MinValue) = a = i.pop b = i.pop c = i.pop d = i.pop if not a.isQuotation or not b.isQuotation or not c.isQuotation or not d.isQuotation: raiseInvalid("Four quotations are required on the stack") proc reqTwoSimilarTypesNonSymbol*(i: var MinInterpreter, a, b: var MinValue) = a = i.pop b = i.pop if not ((a.kind == a.kind or (a.isNumber and a.isNumber)) and not a.isSymbol): raiseInvalid("Two non-symbol values of similar type are required on the stack") proc reqDictionary*(i: In, q: var MinValue) = q = i.pop if not q.isDictionary: raiseInvalid("An dictionary is required on the stack") |