core/utils.nim
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import strutils, critbits, logging import parser, value, scope, interpreter # Library methods proc logLevel*(val: var string): string {.discardable.} = var lvl: Level case val: of "debug": lvl = lvlDebug of "info": lvl = lvlInfo of "notice": lvl = lvlNotice of "warn": lvl = lvlWarn of "error": lvl = lvlError of "fatal": lvl = lvlFatal of "none": lvl = lvlNone else: val = "warn" lvl = lvlWarn setLogFilter(lvl) return val proc define*(i: In, name: string): ref MinScope = var scope = new MinScope scope.name = name 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) = 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 scope.previous.symbols[scope.name] = MinOperator(kind: minProcOp, prc: op) # Validators 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 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") |