create an nds testing tool
This commit is contained in:
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ef0775b252
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9fdbb1dda6
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@ -1,6 +1,6 @@
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var fib = funct(n)
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if (n < 2) :result = 1.5
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if (n < 2) :result = 1
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else :result = fib(n-1) + fib(n-2)
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;
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print fib(37.2);
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print fib(37);
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@ -1,11 +1,6 @@
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{
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var main = funct() {
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// source
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var src = ">++++++++++>+>+[
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[+++++[>++++++++<-]>.<++++++[>--------<-]+<<<]>.>>[
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[-]<[>+<-]>>[<<+>+>-]<[>+<-[>+<-[>+<-[>+<-[>+<-[>+<-
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[>+<-[>+<-[>+<-[>[-]>+>+<<<-[>+<-]]]]]]]]]]]+>>>
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]<<<
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]";
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var src = ">++++++++++[<++++++++++>-]<->>>>>+++[>+++>+++<<-]<<<<+<[>[>+>+<<-]>>[-<<+>>]++++>+<[-<->]<[[-]>>-<<]>>[[-]<<+>>]<<[[-]>>>>>>[[-]<++++++++++<->>]<-[>+>+<<-]>[<+>-]+>[[-]<->]<<<<<<<<<->>]<[>+>+<<-]>>[-<<+>>]+>+<[-<->]<[[-]>>-<<]>>[[-]<<+>>]<<<[>>+>+<<<-]>>>[-<<<+>>>]++>+<[-<->]<[[-]>>-<<]>>[[-]<<+>>]<<[>+<[-]]<[>>+<<[-]]>>[<<+>>[-]]<<<[>>+>+<<<-]>>>[-<<<+>>>]++++>+<[-<->]<[[-]>>-<<]>>[[-]<<+>>]<<[>+<[-]]<[>>+<<[-]]>>[<<+>>[-]]<<[[-]>>>++++++++[>>++++++<<-]>[<++++++++[>++++++<-]>.<++++++++[>------<-]>[<<+>>-]]>.<<++++++++[>>------<<-]<[->>+<<]<++++++++[<++++>-]<.>+++++++[>+++++++++<-]>+++.<+++++[>+++++++++<-]>.+++++..--------.-------.++++++++++++++>>[>>>+>+<<<<-]>>>>[-<<<<+>>>>]>+<[-<->]<[[-]>>-<<]>>[[-]<<+>>]<<<<[>>>+>+<<<<-]>>>>[-<<<<+>>>>]+>+<[-<->]<[[-]>>-<<]>>[[-]<<+>>]<<<[>>+<<[-]]>[>+<[-]]++>>+<[-<->]<[[-]>>-<<]>>[[-]<<+>>]<+<[[-]>-<]>[<<<<<<<.>>>>>>>[-]]<<<<<<<<<.>>----.---------.<<.>>----.+++..+++++++++++++.[-]<<[-]]<[>+>+<<-]>>[-<<+>>]+>+<[-<->]<[[-]>>-<<]>>[[-]<<+>>]<<<[>>+>+<<<-]>>>[-<<<+>>>]++++>+<[-<->]<[[-]>>-<<]>>[[-]<<+>>]<<[>+<[-]]<[>>+<<[-]]>>[<<+>>[-]]<<[[-]>++++++++[<++++>-]<.>++++++++++[>+++++++++++<-]>+.-.<<.>>++++++.------------.---.<<.>++++++[>+++<-]>.<++++++[>----<-]>++.+++++++++++..[-]<<[-]++++++++++.[-]]<[>+>+<<-]>>[-<<+>>]+++>+<[-<->]<[[-]>>-<<]>>[[-]<<+>>]<<[[-]++++++++++. >+++++++++[>+++++++++<-]>+++.+++++++++++++.++++++++++.------.<++++++++[>>++++<<-]>>.<++++++++++.-.---------.>.<-.+++++++++++.++++++++.---------.>.<-------------.+++++++++++++.----------.>.<++++++++++++.---------------.<+++[>++++++<-]>..>.<----------.+++++++++++.>.<<+++[>------<-]>-.+++++++++++++++++.---.++++++.-------.----------.[-]>[-]<<<.[-]]<[>+>+<<-]>>[-<<+>>]++++>+<[-<->]<[[-]>>-<<]>>[[-]<<+>>]<<[[-]++++++++++.[-]<[-]>]<+<]";
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var pos = 0;
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var len = #src;
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var char;
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@ -20,8 +15,6 @@
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var ptr = 0;
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var ptrmax = 30000 - 1;
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var i = 0;
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while (i < ptrmax) {
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tape[i] = 0;
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@ -61,7 +54,7 @@
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;
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if (char == ".")
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print(chr(tape[ptr]))
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write(chr(tape[ptr]))
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;
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if (char == ",") {
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@ -109,4 +102,6 @@
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};
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};
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};
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};
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main();
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@ -7,7 +7,6 @@ type
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OpCode* = enum
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opReturn, opCall, opCheckArity, opFunctionDef, # functions
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opPop, opPopSA, opPopA # pop
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opPrint, # print TODO move to native func
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opNegate, opNot # unary
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opAdd, opSubtract, opMultiply, opDivide, # math
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opEqual, opGreater, opLess, # comparison
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@ -18,7 +17,7 @@ type
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opJumpIfFalse, opJump, opLoop, opJumpIfFalsePop, # jumps
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opCreateList, opCreateTable, # collection creation
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opLen, opSetIndex, opGetIndex, # collection operators
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opChr, opInt, # temporary opcodes for the brainfuck interpreter TODO move to native funcs
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opPrint, opChr, opInt, opPutchar, # temporary opcodes for the brainfuck interpreter TODO move to native funcs
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Chunk* = object
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code*: seq[uint8]
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@ -83,7 +82,7 @@ const simpleInstructions = {
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opEqual, opGreater, opLess,
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opTrue, opFalse, opNil,
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opLen, opSetIndex, opGetIndex,
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opChr, opInt,
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opChr, opInt, opPutchar,
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}
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const constantInstructions = {
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opConstant,
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@ -473,12 +473,15 @@ proc unary(comp: Compiler) =
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comp.writeChunk(0, opInt)
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of tkChr:
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comp.writeChunk(0, opChr)
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of tkPutch:
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comp.writeChunk(0, opPutchar)
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else:
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discard # unreachable
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tkBang.genRule(unary, nop, pcNone)
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tkInt.genRule(unary, nop, pcNone)
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tkChr.genRule(unary, nop, pcNone)
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tkPutch.genRule(unary, nop, pcNone)
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proc binary(comp: Compiler) =
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let opType = comp.previous.tokenType
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@ -19,7 +19,7 @@ type
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tkIdentifier, tkString,
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tkNumber, tkAnd, tkElse, tkFalse, tkFor, tkFunct, tkGoto, tkIf, tkNil,
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tkOr, tkPrint, tkLabel, tkBreak, tkTrue, tkVar, tkWhile,
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tkChr, tkInt,
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tkChr, tkInt, tkPutch,
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tkError, tkEof
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Token* = object
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@ -128,6 +128,7 @@ const keywords = {
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"while": tkWhile,
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"int": tkInt,
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"chr": tkChr,
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"write": tkPutch,
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}.toTable
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proc canStartIdent(chr: char): bool =
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@ -123,7 +123,7 @@ proc tableFindString*[U, V](tbl: Table[U, V], chars: ptr char, len: int, hash: i
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if entry.entryStatus == esNil:
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return nil
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elif entry.key.len.int == len and entry.key.hash.int == hash and
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equalMem(chars, entry.key.chars[0].unsafeAddr, len):
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(len == 0 or equalMem(chars, entry.key.chars[0].unsafeAddr, len)):
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return entry.key
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index = (index + 1).bitand(tbl.cap - 1)
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@ -11,20 +11,26 @@ proc free*(ndStr: var NdString) =
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# hashes
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proc fnv1a*(ndStr: NdString): int =
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proc fnv1a*(ndStr: NdString): int {.inline.} =
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var hash = 2166136261'u32
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for i in countup(0, ndStr.len.int - 1):
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hash = hash xor (ndStr.chars[i]).uint32
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hash *= 16777619
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return hash.int
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proc fnv1a*(str: string): int =
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proc fnv1a*(str: string): int {.inline.} = # SHOULD RETURN THE SAME HASH AS AN NDSTRING WITH THE SAME CONTENTS
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var hash = 2166136261'u32
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for i in countup(0, str.len - 1):
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hash = hash xor (str[i]).uint32
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hash *= 16777619
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return hash.int
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proc fnv1a*(str: char): int {.inline.} = # SHOULD RETURN THE SAME AS A 1 LENGTH STRING
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var hash = 2166136261'u32
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hash = hash xor str.uint32
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hash *= 16777619
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return hash.int
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# equals
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let strlen = str.len()
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let hash = str.fnv1a()
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let interned = ndStrings.tableFindString(str[0].unsafeAddr, strlen, hash)
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if interned != nil:
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return interned
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if strlen > 0:
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let interned = ndStrings.tableFindString(str[0].unsafeAddr, strlen, hash)
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if interned != nil:
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return interned
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else:
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let interned = ndStrings.tableFindString(nil, 0, hash)
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if interned != nil:
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return interned
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let len = 8 + strlen
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result = cast[NdString](alloc(len))
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result.len = strlen.uint32
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result.hash = hash.uint32
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copyMem(result.chars[0].unsafeAddr, str[0].unsafeAddr, strlen)
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if strlen > 0:
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copyMem(result.chars[0].unsafeAddr, str[0].unsafeAddr, strlen)
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discard ndStrings.tableSet(result, nil)
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proc newString*(str: char): NdString =
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let hash = str.fnv1a()
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let interned = ndStrings.tableFindString(str.unsafeAddr, 1, hash)
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if interned != nil:
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return interned
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let len = 8 + 1
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result = cast[NdString](alloc(len))
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result.len = 1.uint32
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result.hash = hash.uint32
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result.chars[0] = str
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discard ndStrings.tableSet(result, nil)
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proc resetInternedStrings* =
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ndStrings.free()
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ndStrings = newTable[NdString, NdString]()
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proc `$`*(ndStr: NdString): string =
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result = newString(ndStr.len.int)
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copyMem(result[0].unsafeAddr, ndStr.chars[0].unsafeAddr, ndStr.len.int)
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if ndStr.len.int > 0:
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copyMem(result[0].unsafeAddr, ndStr.chars[0].unsafeAddr, ndStr.len.int)
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proc `&`*(left, right: NdString): NdString =
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# TODO optimize this later when strings will be benchmarked
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@ -65,5 +94,7 @@ proc getLength*(ndStr: NdString): int =
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ndStr.len.int
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proc getIndex*(ndStr: NdString, index: int): NdString =
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# TODO optimize this later
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newString($($ndStr)[index])
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newString(ndStr.chars[index])
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proc getIndexAsChar*(ndStr: NdString, index: int): char =
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ndStr.chars[index]
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@ -65,6 +65,12 @@ proc peek*[T](stack: Stack[T]): var T {.inline.} =
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raise newException(Defect, "Stacktop is nil or smaller than start.")
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stack.top[]
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proc settip*[T](stack: var Stack[T], newtip: T) {.inline.} =
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when boundsChecks:
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if stack.top == nil or stack.top.pless(stack.start):
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raise newException(Defect, "Stacktop is nil or smaller than start")
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stack.top[]= newtip
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proc deleteTopN*[T](stack: var Stack[T], n: Natural) =
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stack.top = stack.top.psub(sizeof(T) * n)
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when boundsChecks:
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@ -157,7 +157,7 @@ proc run*(chunk: Chunk): InterpretResult =
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runtimeError(res.msg)
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break
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of opPrint:
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write stdout, $stack.peek()
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echo $stack.peek()
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of opDefineGlobal:
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let name = readConstant().asString()
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let existed = globals.tableSet(name.fromNdString(), stack.pop())
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@ -253,7 +253,7 @@ proc run*(chunk: Chunk): InterpretResult =
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break
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of opGetIndex:
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let index = stack.pop()
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let res = stack.peek().getIndex(index)
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let res = stack.peek().getIndex(index) # getIndex modifies the top value of the stack
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if not res.ok:
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runtimeError(res.msg)
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break
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runtimeError(res.msg)
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break
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of opChr:
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let val = stack.pop()
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if not val.isFloat() or val.asFloat() > 255f or val.asFloat() < 0f:
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runtimeError("chr on not float or float out of range")
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let val = stack.peek()
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if not val.isFloat():
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runtimeError("chr on not float")
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break
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let chr = val.asFloat().int().char()
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stack.push(($chr).fromNimString())
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let floatval = val.asFloat()
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if floatval > 255f or floatval < 0f:
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runtimeError("chr on a float out of range")
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break
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let chr = floatval.char()
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stack.settip((chr).newString().fromNdString())
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of opInt:
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let val = stack.pop()
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let val = stack.peek()
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if not val.isString():
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runtimeError("int on non string")
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break
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let code = ($val.asString())[0].int().float()
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stack.push(code.fromFloat())
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let strval = val.asString()
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if strval.getLength() == 0:
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runtimeError("int on empty string")
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break
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let code = val.asString().getIndexAsChar(0).float()
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stack.settip(code.fromFloat())
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of opPutchar:
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write stdout, $stack.peek()
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when profileInstructions:
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durations[ins] += getMonoTime() - startTime
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@ -0,0 +1,18 @@
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// intended use cases of ampersand:
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var x = @[1, 2, 3, 4, 5];
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x[0] = 0 & [2] = 0;
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x[5] = 1 & [6] = 0 & [7] = 3 & [7] = 2;
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//expect:@[ 0.0, 2.0, 0.0, 4.0, 5.0, 1.0, 0.0, 2.0 ]
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print x;
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// not very useful but still must be correct behavior tests:
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// change of precedence where interjected
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var y = 5 + 1 & * 3;
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//expect:18.0
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print y;
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@ -1,5 +1,8 @@
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print "expect: inner douter";
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// tests for nested scopes, labels, breaking labels and setting the result of block expressions
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//expect:inner
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//expect:outer
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{ @outer
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{ @middle
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{ @inner
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print "outer";
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};
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print "expect: inner middle outer";
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//expect:inner
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//expect:middle
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//expect:outer
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{ @outer
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{ @middle
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{ @inner
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print "outer";
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};
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print "expect: nothing";
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// nothing to expect here
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{ @outer
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{ @middle
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{ @inner
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@ -37,7 +42,7 @@ print "expect: nothing";
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print "outer";
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};
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print "expect 5";
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//expect:5.0
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var f = funct() {
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var y = 1;
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@ -52,7 +57,7 @@ var f = funct() {
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print f();
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print "expect 15";
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//expect:15.0
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f = funct(m, n)
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:result = m + n
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@ -61,7 +66,7 @@ f = funct(m, n)
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print f(f(5, 5), 5);
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print "expect: 10";
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//expect:10.0
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var g = funct()
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:result = {@a
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@ -75,7 +80,7 @@ var g = funct()
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print g();
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print "expect: 9";
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//expect:9.0
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var h = funct()
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:result = {@a
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@ -0,0 +1,134 @@
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// tests for basic control flow constructs
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// if, else
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//expect:true
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if (true) {
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print "true";
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};
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if (false) {
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print "false";
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};
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// return the condition if falsy
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//expect:nil
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print if (nil) 5;
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//expect:false
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print if (false) 5;
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// return body if truthy
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//expect:5.0
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print if (true) 5;
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// return else body if falsey and present
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//expect:6.0
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print if (false) 5 else 6;
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// but still only return the if body if truthy
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//expect:4.0
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print if (true) 4 else 6;
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// elseif chains
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//expect:4.0
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print if (false) 1 else if (false) 2 else if (false) 3 else if (true) 4 else if (false) 5 else 8;
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// falsiness, truthiness
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// false and nil are falsey
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var uninitialized;
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if (false) print "don't see this";
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if (nil) print "don't see this";
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if (uninitialized) print "don't see this";
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// the rest of the types are truthy
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if (true) print "1";
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if ("") print "2";
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if ("hello") print "3";
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if (0) print "4";
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if (1) print "5";
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if (@[]) print "6";
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if (@["hi"]) print "7";
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if (@{}) print "8";
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if (@{"hi" = 5}) print "9";
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if (funct(n) print n) print "10";
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//expect:1
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//expect:2
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//expect:3
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||||
//expect:4
|
||||
//expect:5
|
||||
//expect:6
|
||||
//expect:7
|
||||
//expect:8
|
||||
//expect:9
|
||||
//expect:10
|
||||
|
||||
// and, or
|
||||
|
||||
// and returns the left one if it's falsey or the right one if the left one is truthy
|
||||
|
||||
//expect:false
|
||||
print false and 5;
|
||||
|
||||
//expect:5.0
|
||||
print true and 5;
|
||||
|
||||
// or returns the leftmost truthy
|
||||
|
||||
//expect:5.0
|
||||
print false or false or false or false or 5 or false or 7;
|
||||
|
||||
//expect:true
|
||||
print true or false;
|
||||
|
||||
// while
|
||||
|
||||
// basic looping examples
|
||||
|
||||
var i = 1;
|
||||
|
||||
while (i < 300) {
|
||||
i = i + 1;
|
||||
};
|
||||
|
||||
print i; //expect:300.0
|
||||
|
||||
|
||||
i = 5;
|
||||
while (i > 0)
|
||||
print i = i - 1
|
||||
;
|
||||
//expect:4.0
|
||||
//expect:3.0
|
||||
//expect:2.0
|
||||
//expect:1.0
|
||||
//expect:0.0
|
||||
|
||||
// while returns the result of the last iteration
|
||||
|
||||
i = 5;
|
||||
var res = while (i > 0)
|
||||
i = i - 1
|
||||
;
|
||||
|
||||
//expect:0.0
|
||||
print res;
|
||||
|
||||
// if no iterations are done, it returns nil
|
||||
|
||||
res = while (false)
|
||||
i = 6
|
||||
;
|
||||
|
||||
//expect:nil
|
||||
print res;
|
|
@ -1,7 +1,49 @@
|
|||
import hashtable
|
||||
import ndlist
|
||||
|
||||
import os
|
||||
import re
|
||||
import strutils
|
||||
import osproc
|
||||
|
||||
testHashtables()
|
||||
|
||||
import ndlist
|
||||
testNdlist()
|
||||
|
||||
var ndsPath = "bin/nds"
|
||||
var testsPath = "tests"
|
||||
|
||||
proc assembleTestOutput(path: string): string =
|
||||
for line in path.lines:
|
||||
if line.contains(re"//expect:"):
|
||||
result &= line[line.find(re"//expect:") + "//expect:".len()..^1] & "\n"
|
||||
|
||||
proc runTest(path: string) =
|
||||
let (output, exitcode) = execCmdEx(ndsPath & " " & path)
|
||||
let expoutput = assembleTestOutput(path)
|
||||
let success = output == expoutput
|
||||
if not success:
|
||||
echo "Nds test failed: " & path
|
||||
echo "expected output:"
|
||||
echo expoutput
|
||||
echo "got output:"
|
||||
echo output
|
||||
else:
|
||||
echo "Test success: " & path
|
||||
|
||||
if not dirExists(testsPath):
|
||||
testsPath = "."
|
||||
|
||||
if not fileExists(ndsPath):
|
||||
if fileExists(".." / ndsPath):
|
||||
ndsPath = ".." / ndsPath
|
||||
else:
|
||||
echo "Couldn't find nds binary in bin/nds or ../bin/nds, run nimble build first."
|
||||
quit 1
|
||||
|
||||
for test in walkDir(testsPath):
|
||||
if test.path.splitFile.ext == ".nds":
|
||||
runTest(test.path)
|
||||
|
||||
|
||||
|
||||
testNdlist()
|
|
@ -1,8 +0,0 @@
|
|||
|
||||
var i = 1;
|
||||
|
||||
while (i < 300) {
|
||||
i = i + 1;
|
||||
};
|
||||
|
||||
print i;
|
|
@ -1,4 +0,0 @@
|
|||
var i = 5;
|
||||
while (i > 0)
|
||||
print i = i - 1
|
||||
;
|
Loading…
Reference in New Issue