8de5b49cdf 2010-11-09 kinaba: /** 4198578702 2010-11-07 kinaba: * Authors: k.inaba 4198578702 2010-11-07 kinaba: * License: NYSL 0.9982 http://www.kmonos.net/nysl/ 4198578702 2010-11-07 kinaba: * 4198578702 2010-11-07 kinaba: * Evaluator for Polemy programming language. 423f308350 2010-11-07 kinaba: */ 4198578702 2010-11-07 kinaba: module polemy.eval; 4198578702 2010-11-07 kinaba: import polemy._common; 3464a035ec 2010-11-20 kinaba: import polemy.failure; 423f308350 2010-11-07 kinaba: import polemy.ast; 3f5dc76a75 2010-11-07 kinaba: import polemy.parse; b0d8d7875b 2010-11-08 kinaba: import polemy.value; 435fa085ec 2010-11-21 kinaba: import polemy.layer; 0569f7b8c2 2010-11-07 kinaba: import std.typecons; 820e7198cc 2010-11-07 kinaba: import std.stdio; 0569f7b8c2 2010-11-07 kinaba: 38fcc662be 2010-11-10 kinaba: /// 8de5b49cdf 2010-11-09 kinaba: Table createGlobalContext() 0569f7b8c2 2010-11-07 kinaba: { 8de5b49cdf 2010-11-09 kinaba: auto ctx = new Table; 435fa085ec 2010-11-21 kinaba: ctx.set("+", ValueLayer, native( (IntValue lhs, IntValue rhs){return new IntValue(lhs.data + rhs.data);} )); 435fa085ec 2010-11-21 kinaba: ctx.set("-", ValueLayer, native( (IntValue lhs, IntValue rhs){return new IntValue(lhs.data - rhs.data);} )); 435fa085ec 2010-11-21 kinaba: ctx.set("*", ValueLayer, native( (IntValue lhs, IntValue rhs){return new IntValue(lhs.data * rhs.data);} )); 435fa085ec 2010-11-21 kinaba: ctx.set("/", ValueLayer, native( (IntValue lhs, IntValue rhs){return new IntValue(lhs.data / rhs.data);} )); 435fa085ec 2010-11-21 kinaba: ctx.set("%", ValueLayer, native( (IntValue lhs, IntValue rhs){return new IntValue(lhs.data % rhs.data);} )); 435fa085ec 2010-11-21 kinaba: ctx.set("||", ValueLayer, native( (IntValue lhs, IntValue rhs){return new IntValue(BigInt((lhs.data!=0) || (rhs.data!=0) ? 1:0));} )); 435fa085ec 2010-11-21 kinaba: ctx.set("&&", ValueLayer, native( (IntValue lhs, IntValue rhs){return new IntValue(BigInt((lhs.data!=0) && (rhs.data!=0) ? 1:0));} )); 435fa085ec 2010-11-21 kinaba: ctx.set("<", ValueLayer, native( (Value lhs, Value rhs){return new IntValue(BigInt(lhs < rhs ? 1: 0));} )); 435fa085ec 2010-11-21 kinaba: ctx.set(">", ValueLayer, native( (Value lhs, Value rhs){return new IntValue(BigInt(lhs > rhs ? 1: 0));} )); 435fa085ec 2010-11-21 kinaba: ctx.set("<=", ValueLayer, native( (Value lhs, Value rhs){return new IntValue(BigInt(lhs <= rhs ? 1: 0));} )); 435fa085ec 2010-11-21 kinaba: ctx.set(">=", ValueLayer, native( (Value lhs, Value rhs){return new IntValue(BigInt(lhs >= rhs ? 1: 0));} )); 435fa085ec 2010-11-21 kinaba: ctx.set("==", ValueLayer, native( (Value lhs, Value rhs){return new IntValue(BigInt(lhs == rhs ? 1: 0));} )); 435fa085ec 2010-11-21 kinaba: ctx.set("!=", ValueLayer, native( (Value lhs, Value rhs){return new IntValue(BigInt(lhs != rhs ? 1: 0));} )); 435fa085ec 2010-11-21 kinaba: ctx.set("print", ValueLayer, native( (Value a){ a5fe6233c1 2010-11-21 kinaba: writeln(a); 3995a5eb6a 2010-11-21 kinaba: return new IntValue(BigInt(0)); a5fe6233c1 2010-11-21 kinaba: })); 435fa085ec 2010-11-21 kinaba: ctx.set("if", ValueLayer, native( (IntValue x, FunValue ft, FunValue fe){ a5fe6233c1 2010-11-21 kinaba: auto toRun = (x.data==0 ? fe : ft); 3995a5eb6a 2010-11-21 kinaba: // [TODO] fill positional information 435fa085ec 2010-11-21 kinaba: return toRun.invoke(null, ValueLayer, toRun.definitionContext()); a5fe6233c1 2010-11-21 kinaba: // return toRun.invoke(pos, lay, toRun.definitionContext()); 5d4cb856d8 2010-11-07 kinaba: })); 435fa085ec 2010-11-21 kinaba: ctx.set("_isint", ValueLayer, native( (Value v){return new IntValue(BigInt(cast(IntValue)v is null ? 0 : 1));} )); 435fa085ec 2010-11-21 kinaba: ctx.set("_isstr", ValueLayer, native( (Value v){return new IntValue(BigInt(cast(StrValue)v is null ? 0 : 1));} )); 435fa085ec 2010-11-21 kinaba: ctx.set("_isfun", ValueLayer, native( (Value v){return new IntValue(BigInt(cast(FunValue)v is null ? 0 : 1));} )); 435fa085ec 2010-11-21 kinaba: ctx.set("_isundefined", ValueLayer, native( (Value v){return new IntValue(BigInt(cast(UndValue)v is null ? 0 : 1));} )); 435fa085ec 2010-11-21 kinaba: ctx.set("_istable", ValueLayer, native( (Value v){return new IntValue(BigInt(cast(Table)v is null ? 0 : 1));} )); 435fa085ec 2010-11-21 kinaba: ctx.set(".", ValueLayer, native( (Table t, StrValue s){ 435fa085ec 2010-11-21 kinaba: return (t.has(s.data, ValueLayer) ? t.get(s.data, ValueLayer) : new UndValue); 435fa085ec 2010-11-21 kinaba: }) ); 435fa085ec 2010-11-21 kinaba: ctx.set(".?", ValueLayer, native( (Table t, StrValue s){ 435fa085ec 2010-11-21 kinaba: return new IntValue(BigInt(t.has(s.data, ValueLayer) ? 1 : 0)); 515502e8d1 2010-11-20 kinaba: }) ); 435fa085ec 2010-11-21 kinaba: ctx.set(".=", ValueLayer, native( (Table t, StrValue s, Value v){ 515502e8d1 2010-11-20 kinaba: auto t2 = new Table(t, Table.Kind.NotPropagateSet); 435fa085ec 2010-11-21 kinaba: t2.set(s.data, ValueLayer, v); 515502e8d1 2010-11-20 kinaba: return t2; 515502e8d1 2010-11-20 kinaba: }) ); 435fa085ec 2010-11-21 kinaba: ctx.set("{}", ValueLayer, native( (){ 515502e8d1 2010-11-20 kinaba: return new Table; 515502e8d1 2010-11-20 kinaba: }) ); 423f308350 2010-11-07 kinaba: return ctx; 423f308350 2010-11-07 kinaba: } 423f308350 2010-11-07 kinaba: 8de5b49cdf 2010-11-09 kinaba: /// Entry point of this module 8de5b49cdf 2010-11-09 kinaba: 8de5b49cdf 2010-11-09 kinaba: Tuple!(Value,"val",Table,"ctx") evalString(S,T...)(S str, T fn_ln_cn) 0569f7b8c2 2010-11-07 kinaba: { 8de5b49cdf 2010-11-09 kinaba: return eval( polemy.parse.parseString(str, fn_ln_cn) ); 0569f7b8c2 2010-11-07 kinaba: } 0569f7b8c2 2010-11-07 kinaba: 38fcc662be 2010-11-10 kinaba: /// Entry point of this module 38fcc662be 2010-11-10 kinaba: 7de80acfb8 2010-11-09 kinaba: Tuple!(Value,"val",Table,"ctx") evalFile(S, T...)(S filename, T ln_cn) 0569f7b8c2 2010-11-07 kinaba: { 8de5b49cdf 2010-11-09 kinaba: return eval( polemy.parse.parseFile(filename, ln_cn) ); 0569f7b8c2 2010-11-07 kinaba: } 7de80acfb8 2010-11-09 kinaba: 38fcc662be 2010-11-10 kinaba: /// Entry point of this module 38fcc662be 2010-11-10 kinaba: 8de5b49cdf 2010-11-09 kinaba: Tuple!(Value,"val",Table,"ctx") eval(AST e) 0569f7b8c2 2010-11-07 kinaba: { 8de5b49cdf 2010-11-09 kinaba: Table ctx = createGlobalContext(); 435fa085ec 2010-11-21 kinaba: return typeof(return)(eval(e, ctx, false, ValueLayer), ctx); a5fe6233c1 2010-11-21 kinaba: } a5fe6233c1 2010-11-21 kinaba: a5fe6233c1 2010-11-21 kinaba: Value invokeFunction(in LexPosition pos, Value _f, AST[] args, Table callerCtx, Layer lay, bool AlwaysMacro=false) a5fe6233c1 2010-11-21 kinaba: { a5fe6233c1 2010-11-21 kinaba: if(auto f = cast(FunValue)_f) a5fe6233c1 2010-11-21 kinaba: { a5fe6233c1 2010-11-21 kinaba: Table ctx = new Table(f.definitionContext(), Table.Kind.NotPropagateSet); a5fe6233c1 2010-11-21 kinaba: foreach(i,p; f.params()) a5fe6233c1 2010-11-21 kinaba: if( p.layers.empty ) 435fa085ec 2010-11-21 kinaba: if(lay==MacroLayer) a5fe6233c1 2010-11-21 kinaba: ctx.set(p.name, lay, macroEval(args[i], callerCtx, AlwaysMacro)); a5fe6233c1 2010-11-21 kinaba: else a5fe6233c1 2010-11-21 kinaba: ctx.set(p.name, lay, eval(args[i], callerCtx, true, lay)); a5fe6233c1 2010-11-21 kinaba: else a5fe6233c1 2010-11-21 kinaba: foreach(argLay; p.layers) 435fa085ec 2010-11-21 kinaba: if(argLay==MacroLayer) a5fe6233c1 2010-11-21 kinaba: ctx.set(p.name, argLay, macroEval(args[i], callerCtx, AlwaysMacro)); a5fe6233c1 2010-11-21 kinaba: else a5fe6233c1 2010-11-21 kinaba: ctx.set(p.name, argLay, eval(args[i], callerCtx, true, argLay)); a5fe6233c1 2010-11-21 kinaba: return f.invoke(pos, lay, ctx); a5fe6233c1 2010-11-21 kinaba: } a5fe6233c1 2010-11-21 kinaba: throw genex!RuntimeException(pos, "tried to call non-function"); a5fe6233c1 2010-11-21 kinaba: } a5fe6233c1 2010-11-21 kinaba: a5fe6233c1 2010-11-21 kinaba: Value lift(in LexPosition pos, Value v, Layer lay, Table callerCtx) a5fe6233c1 2010-11-21 kinaba: { f86026acb8 2010-11-21 kinaba: // functions are automatically lifterd f86026acb8 2010-11-21 kinaba: if( cast(FunValue) v ) f86026acb8 2010-11-21 kinaba: return v; f86026acb8 2010-11-21 kinaba: 435fa085ec 2010-11-21 kinaba: // similar to invoke Function, but with only one argument bound to ValueLayer 435fa085ec 2010-11-21 kinaba: Value _f = callerCtx.get(lay, SystemLayer, pos); a5fe6233c1 2010-11-21 kinaba: if(auto f = cast(FunValue)_f) a5fe6233c1 2010-11-21 kinaba: { a5fe6233c1 2010-11-21 kinaba: Table ctx = new Table(f.definitionContext(), Table.Kind.NotPropagateSet); a5fe6233c1 2010-11-21 kinaba: auto ps = f.params(); a5fe6233c1 2010-11-21 kinaba: if( ps.length != 1 ) 435fa085ec 2010-11-21 kinaba: throw genex!RuntimeException(pos, "lift function must take exactly one argument at "~ValueLayer~" layer"); 435fa085ec 2010-11-21 kinaba: if( ps[0].layers.length==0 || ps[0].layers.length==1 && ps[0].layers[0]==ValueLayer ) a5fe6233c1 2010-11-21 kinaba: { 435fa085ec 2010-11-21 kinaba: ctx.set(ps[0].name, ValueLayer, v); 435fa085ec 2010-11-21 kinaba: return f.invoke(pos, ValueLayer, ctx); a5fe6233c1 2010-11-21 kinaba: } a5fe6233c1 2010-11-21 kinaba: else 435fa085ec 2010-11-21 kinaba: throw genex!RuntimeException(pos, "lift function must take exactly one argument at "~ValueLayer~" layer"); a5fe6233c1 2010-11-21 kinaba: } a5fe6233c1 2010-11-21 kinaba: throw genex!RuntimeException(pos, "tried to call non-function"); 38fcc662be 2010-11-10 kinaba: } 38fcc662be 2010-11-10 kinaba: 38fcc662be 2010-11-10 kinaba: /// Entry point of this module 38fcc662be 2010-11-10 kinaba: /// If splitCtx = true, then inner variable declaration do not overwrite ctx. 435fa085ec 2010-11-21 kinaba: /// lay is the layer ID for evaluation (standard value semantics uses ValueLayer). 8474ae68d9 2010-11-13 kinaba: 1c01f44f52 2010-11-13 kinaba: Value eval(AST e, Table ctx, bool splitCtx, Layer lay) 1c01f44f52 2010-11-13 kinaba: { 1c01f44f52 2010-11-13 kinaba: return e.match( 1c01f44f52 2010-11-13 kinaba: (StrLiteral e) 1c01f44f52 2010-11-13 kinaba: { c368edbcb1 2010-11-13 kinaba: Value v = new StrValue(e.data); 435fa085ec 2010-11-21 kinaba: if( lay == ValueLayer ) c368edbcb1 2010-11-13 kinaba: return v; a5fe6233c1 2010-11-21 kinaba: else a5fe6233c1 2010-11-21 kinaba: return lift(e.pos,v,lay,ctx); 1c01f44f52 2010-11-13 kinaba: }, 1c01f44f52 2010-11-13 kinaba: (IntLiteral e) 1c01f44f52 2010-11-13 kinaba: { c368edbcb1 2010-11-13 kinaba: Value v = new IntValue(e.data); 435fa085ec 2010-11-21 kinaba: if( lay == ValueLayer ) c368edbcb1 2010-11-13 kinaba: return v; 8474ae68d9 2010-11-13 kinaba: else // rise a5fe6233c1 2010-11-21 kinaba: return lift(e.pos,v,lay,ctx); 1c01f44f52 2010-11-13 kinaba: }, 1c01f44f52 2010-11-13 kinaba: (VarExpression e) 1c01f44f52 2010-11-13 kinaba: { 435fa085ec 2010-11-21 kinaba: if( lay == ValueLayer ) 3995a5eb6a 2010-11-21 kinaba: return ctx.get(e.name, lay, e.pos); f86026acb8 2010-11-21 kinaba: if( ctx.has(e.name, lay, e.pos) ) 3995a5eb6a 2010-11-21 kinaba: return ctx.get(e.name, lay, e.pos); f86026acb8 2010-11-21 kinaba: else 3995a5eb6a 2010-11-21 kinaba: return lift(e.pos, ctx.get(e.name, ValueLayer, e.pos), lay, ctx); 1c01f44f52 2010-11-13 kinaba: }, 3995a5eb6a 2010-11-21 kinaba: (LayExpression e) 1c01f44f52 2010-11-13 kinaba: { 3995a5eb6a 2010-11-21 kinaba: if( e.layer == MacroLayer ) 8e3db9ef20 2010-11-20 kinaba: return macroEval(e.expr, ctx, false); 8e3db9ef20 2010-11-20 kinaba: else 3995a5eb6a 2010-11-21 kinaba: return eval(e.expr, ctx, true, e.layer); 1c01f44f52 2010-11-13 kinaba: }, 1c01f44f52 2010-11-13 kinaba: (LetExpression e) 1c01f44f52 2010-11-13 kinaba: { 1c01f44f52 2010-11-13 kinaba: // for letrec, we need this, but should avoid overwriting???? 435fa085ec 2010-11-21 kinaba: // ctx.set(e.var, ValueLayer, new UndefinedValue, e.pos); 1c01f44f52 2010-11-13 kinaba: if(splitCtx) 1c01f44f52 2010-11-13 kinaba: ctx = new Table(ctx, Table.Kind.NotPropagateSet); 060f267779 2010-11-20 kinaba: Value v = eval(e.init, ctx, true, lay); 3995a5eb6a 2010-11-21 kinaba: ctx.set(e.name, (e.layer.length ? e.layer : lay), v, e.pos); 1c01f44f52 2010-11-13 kinaba: return eval(e.expr, ctx, false, lay); 1c01f44f52 2010-11-13 kinaba: }, 1c01f44f52 2010-11-13 kinaba: (FuncallExpression e) 1c01f44f52 2010-11-13 kinaba: { a5fe6233c1 2010-11-21 kinaba: return invokeFunction(e.pos, eval(e.fun, ctx, true, lay), e.args, ctx, lay); 3f6f41b558 2010-11-20 kinaba: }, 3f6f41b558 2010-11-20 kinaba: (FunLiteral e) 3f6f41b558 2010-11-20 kinaba: { a5fe6233c1 2010-11-21 kinaba: return new UserDefinedFunValue(e, ctx); 3f6f41b558 2010-11-20 kinaba: }, 3f6f41b558 2010-11-20 kinaba: delegate Value (AST e) 3f6f41b558 2010-11-20 kinaba: { 3f6f41b558 2010-11-20 kinaba: throw genex!RuntimeException(e.pos, sprintf!"Unknown Kind of Expression %s"(typeid(e))); 3f6f41b558 2010-11-20 kinaba: } 3f6f41b558 2010-11-20 kinaba: ); 3f6f41b558 2010-11-20 kinaba: } 3f6f41b558 2010-11-20 kinaba: 3f6f41b558 2010-11-20 kinaba: // [TODO] Optimization 3f6f41b558 2010-11-20 kinaba: Value macroEval(AST e, Table ctx, bool AlwaysMacro) 3f6f41b558 2010-11-20 kinaba: { 435fa085ec 2010-11-21 kinaba: Layer theLayer = ValueLayer; 435fa085ec 2010-11-21 kinaba: 3995a5eb6a 2010-11-21 kinaba: Table makeCons(Value a, Value d) 3995a5eb6a 2010-11-21 kinaba: { 3995a5eb6a 2010-11-21 kinaba: Table t = new Table; 3995a5eb6a 2010-11-21 kinaba: t.set("car", theLayer, a); 3995a5eb6a 2010-11-21 kinaba: t.set("cdr", theLayer, d); 3995a5eb6a 2010-11-21 kinaba: return t; 3995a5eb6a 2010-11-21 kinaba: } 3995a5eb6a 2010-11-21 kinaba: 3f6f41b558 2010-11-20 kinaba: Table pos = new Table; 3995a5eb6a 2010-11-21 kinaba: if( e.pos !is null ) { 3995a5eb6a 2010-11-21 kinaba: pos.set("filename", theLayer, new StrValue(e.pos.filename)); 3995a5eb6a 2010-11-21 kinaba: pos.set("lineno", theLayer, new IntValue(BigInt(e.pos.lineno))); 3995a5eb6a 2010-11-21 kinaba: pos.set("column", theLayer, new IntValue(BigInt(e.pos.column))); 3995a5eb6a 2010-11-21 kinaba: } else { 3995a5eb6a 2010-11-21 kinaba: pos.set("filename", theLayer, new StrValue("nullpos")); 3995a5eb6a 2010-11-21 kinaba: pos.set("lineno", theLayer, new IntValue(BigInt(0))); 3995a5eb6a 2010-11-21 kinaba: pos.set("column", theLayer, new IntValue(BigInt(0))); 3995a5eb6a 2010-11-21 kinaba: } 3995a5eb6a 2010-11-21 kinaba: 3f6f41b558 2010-11-20 kinaba: return e.match( 3f6f41b558 2010-11-20 kinaba: (StrLiteral e) 3f6f41b558 2010-11-20 kinaba: { 3f6f41b558 2010-11-20 kinaba: Table t = new Table; 3f6f41b558 2010-11-20 kinaba: t.set("pos", theLayer, pos); 3f6f41b558 2010-11-20 kinaba: t.set("is", theLayer, new StrValue("str")); 3f6f41b558 2010-11-20 kinaba: t.set("data", theLayer, new StrValue(e.data)); 3f6f41b558 2010-11-20 kinaba: return t; 3f6f41b558 2010-11-20 kinaba: }, 3f6f41b558 2010-11-20 kinaba: (IntLiteral e) 3f6f41b558 2010-11-20 kinaba: { 3f6f41b558 2010-11-20 kinaba: Table t = new Table; 3f6f41b558 2010-11-20 kinaba: t.set("pos", theLayer, pos); 3f6f41b558 2010-11-20 kinaba: t.set("is", theLayer, new StrValue("int")); 3f6f41b558 2010-11-20 kinaba: t.set("data", theLayer, new IntValue(e.data)); 3f6f41b558 2010-11-20 kinaba: return t; 3f6f41b558 2010-11-20 kinaba: }, 3f6f41b558 2010-11-20 kinaba: (VarExpression e) 3f6f41b558 2010-11-20 kinaba: { f86026acb8 2010-11-21 kinaba: if( ctx.has(e.name, MacroLayer, e.pos) ) 3995a5eb6a 2010-11-21 kinaba: return ctx.get(e.name, MacroLayer, e.pos); f86026acb8 2010-11-21 kinaba: else { 8e3db9ef20 2010-11-20 kinaba: Table t = new Table; 8e3db9ef20 2010-11-20 kinaba: t.set("pos", theLayer, pos); 8e3db9ef20 2010-11-20 kinaba: t.set("is", theLayer, new StrValue("var")); 3995a5eb6a 2010-11-21 kinaba: t.set("name", theLayer, new StrValue(e.name)); 8e3db9ef20 2010-11-20 kinaba: return cast(Value)t; 8e3db9ef20 2010-11-20 kinaba: } 3f6f41b558 2010-11-20 kinaba: }, 3995a5eb6a 2010-11-21 kinaba: (LayExpression e) 3f6f41b558 2010-11-20 kinaba: { 3f6f41b558 2010-11-20 kinaba: if( AlwaysMacro ) 3f6f41b558 2010-11-20 kinaba: { 3f6f41b558 2010-11-20 kinaba: Table t = new Table; 3995a5eb6a 2010-11-21 kinaba: t.set("pos", theLayer, pos); 3995a5eb6a 2010-11-21 kinaba: t.set("is", theLayer, new StrValue("lay")); 3995a5eb6a 2010-11-21 kinaba: t.set("layer", theLayer, new StrValue(e.layer)); 3995a5eb6a 2010-11-21 kinaba: t.set("expr", theLayer, macroEval(e.expr,ctx,AlwaysMacro)); 3f6f41b558 2010-11-20 kinaba: return cast(Value)t; 3f6f41b558 2010-11-20 kinaba: } 3f6f41b558 2010-11-20 kinaba: else 3f6f41b558 2010-11-20 kinaba: { 3995a5eb6a 2010-11-21 kinaba: if( e.layer == MacroLayer ) a5fe6233c1 2010-11-21 kinaba: return macroEval(e.expr, ctx, false); a5fe6233c1 2010-11-21 kinaba: else 3995a5eb6a 2010-11-21 kinaba: return eval(e.expr, ctx, true, e.layer); 3f6f41b558 2010-11-20 kinaba: } 3f6f41b558 2010-11-20 kinaba: }, 3f6f41b558 2010-11-20 kinaba: (LetExpression e) 3f6f41b558 2010-11-20 kinaba: { 3f6f41b558 2010-11-20 kinaba: Table t = new Table; 3f6f41b558 2010-11-20 kinaba: t.set("pos", theLayer, pos); 3f6f41b558 2010-11-20 kinaba: t.set("is", theLayer, new StrValue("let")); 3995a5eb6a 2010-11-21 kinaba: t.set("name", theLayer, new StrValue(e.name)); 3f6f41b558 2010-11-20 kinaba: t.set("init", theLayer, macroEval(e.init,ctx,AlwaysMacro)); 3f6f41b558 2010-11-20 kinaba: t.set("expr", theLayer, macroEval(e.expr,ctx,AlwaysMacro)); 3f6f41b558 2010-11-20 kinaba: return t; 3f6f41b558 2010-11-20 kinaba: }, 3f6f41b558 2010-11-20 kinaba: (FuncallExpression e) 3f6f41b558 2010-11-20 kinaba: { 8e3db9ef20 2010-11-20 kinaba: Value _f = macroEval(e.fun,ctx,AlwaysMacro); 8e3db9ef20 2010-11-20 kinaba: a5fe6233c1 2010-11-21 kinaba: if( auto f = cast(FunValue)_f ) 435fa085ec 2010-11-21 kinaba: return invokeFunction(e.pos, f, e.args, ctx, MacroLayer, AlwaysMacro); 8e3db9ef20 2010-11-20 kinaba: 3f6f41b558 2010-11-20 kinaba: Table t = new Table; 3f6f41b558 2010-11-20 kinaba: t.set("pos", theLayer, pos); 3f6f41b558 2010-11-20 kinaba: t.set("is", theLayer, new StrValue("app")); 8e3db9ef20 2010-11-20 kinaba: t.set("fun", theLayer, _f); 3f6f41b558 2010-11-20 kinaba: Table args = new Table; 3f6f41b558 2010-11-20 kinaba: foreach_reverse(a; e.args) { 3f6f41b558 2010-11-20 kinaba: Table cons = new Table; 3f6f41b558 2010-11-20 kinaba: cons.set("car",theLayer,macroEval(a,ctx,AlwaysMacro)); 3f6f41b558 2010-11-20 kinaba: cons.set("cdr",theLayer,args); 3f6f41b558 2010-11-20 kinaba: args = cons; 1c01f44f52 2010-11-13 kinaba: } 3995a5eb6a 2010-11-21 kinaba: t.set("args", theLayer, args); 8e3db9ef20 2010-11-20 kinaba: return cast(Value)t; 1c01f44f52 2010-11-13 kinaba: }, 1c01f44f52 2010-11-13 kinaba: (FunLiteral e) 1c01f44f52 2010-11-13 kinaba: { 3f6f41b558 2010-11-20 kinaba: Table t = new Table; 3f6f41b558 2010-11-20 kinaba: t.set("pos", theLayer, pos); 3f6f41b558 2010-11-20 kinaba: t.set("is", theLayer, new StrValue("fun")); 3995a5eb6a 2010-11-21 kinaba: t.set("funbody", theLayer, macroEval(e.funbody,ctx,AlwaysMacro)); 3995a5eb6a 2010-11-21 kinaba: Table params = new Table; 3f6f41b558 2010-11-20 kinaba: foreach_reverse(p; e.params) 3f6f41b558 2010-11-20 kinaba: { 3995a5eb6a 2010-11-21 kinaba: Table lays = new Table; 3995a5eb6a 2010-11-21 kinaba: foreach_reverse(lay; p.layers) 3995a5eb6a 2010-11-21 kinaba: lays = makeCons(new StrValue(lay), lays); 3f6f41b558 2010-11-20 kinaba: Table kv = new Table; 3f6f41b558 2010-11-20 kinaba: kv.set("name", theLayer, new StrValue(p.name)); 3995a5eb6a 2010-11-21 kinaba: kv.set("layers", theLayer, lays); 3995a5eb6a 2010-11-21 kinaba: Table cons = new Table; 3995a5eb6a 2010-11-21 kinaba: params = makeCons(kv, params); 3f6f41b558 2010-11-20 kinaba: } 3995a5eb6a 2010-11-21 kinaba: t.set("params", theLayer, params); 3f6f41b558 2010-11-20 kinaba: return t; 1c01f44f52 2010-11-13 kinaba: }, 1c01f44f52 2010-11-13 kinaba: delegate Value (AST e) 1c01f44f52 2010-11-13 kinaba: { 1c01f44f52 2010-11-13 kinaba: throw genex!RuntimeException(e.pos, sprintf!"Unknown Kind of Expression %s"(typeid(e))); 1c01f44f52 2010-11-13 kinaba: } 1c01f44f52 2010-11-13 kinaba: ); 423f308350 2010-11-07 kinaba: } 423f308350 2010-11-07 kinaba: 5e407d7cf8 2010-11-08 kinaba: unittest 5e407d7cf8 2010-11-08 kinaba: { 8de5b49cdf 2010-11-09 kinaba: auto r = assert_nothrow( evalString(`var x = 21; x + x*x;`) ); 8de5b49cdf 2010-11-09 kinaba: assert_eq( r.val, new IntValue(BigInt(21+21*21)) ); 435fa085ec 2010-11-21 kinaba: assert_eq( r.ctx.get("x",ValueLayer), new IntValue(BigInt(21)) ); 435fa085ec 2010-11-21 kinaba: assert_nothrow( r.ctx.get("x",ValueLayer) ); 435fa085ec 2010-11-21 kinaba: assert_throw!RuntimeException( r.ctx.get("y",ValueLayer) ); 8de5b49cdf 2010-11-09 kinaba: } 8de5b49cdf 2010-11-09 kinaba: unittest 8de5b49cdf 2010-11-09 kinaba: { 8de5b49cdf 2010-11-09 kinaba: auto r = assert_nothrow( evalString(`var x = 21; var x = x + x*x;`) ); 8de5b49cdf 2010-11-09 kinaba: assert_eq( r.val, new IntValue(BigInt(21+21*21)) ); 435fa085ec 2010-11-21 kinaba: assert_eq( r.ctx.get("x",ValueLayer), new IntValue(BigInt(21+21*21)) ); 435fa085ec 2010-11-21 kinaba: assert_nothrow( r.ctx.get("x",ValueLayer) ); 435fa085ec 2010-11-21 kinaba: assert_throw!RuntimeException( r.ctx.get("y",ValueLayer) ); 0f02103885 2010-11-09 kinaba: } 0f02103885 2010-11-09 kinaba: unittest 0f02103885 2010-11-09 kinaba: { 0f02103885 2010-11-09 kinaba: assert_eq( evalString(`let x=1; let y=(let x=2); x`).val, new IntValue(BigInt(1)) ); 0f02103885 2010-11-09 kinaba: assert_eq( evalString(`let x=1; let y=(let x=2;fun(){x}); y()`).val, new IntValue(BigInt(2)) ); 633e700889 2010-11-07 kinaba: } 633e700889 2010-11-07 kinaba: unittest 633e700889 2010-11-07 kinaba: { dc93ad8cf6 2010-11-09 kinaba: assert_eq( evalString(`@a x=1; @b x=2; @a(x)`).val, new IntValue(BigInt(1)) ); dc93ad8cf6 2010-11-09 kinaba: assert_eq( evalString(`@a x=1; @b x=2; @b(x)`).val, new IntValue(BigInt(2)) ); dc93ad8cf6 2010-11-09 kinaba: assert_eq( evalString(`let x=1; let _ = (@a x=2;2); x`).val, new IntValue(BigInt(1)) ); 078444a806 2010-11-13 kinaba: assert_throw!Throwable( evalString(`let x=1; let _ = (@a x=2;2); @a(x)`) ); dc93ad8cf6 2010-11-09 kinaba: } 3995a5eb6a 2010-11-21 kinaba: /* dc93ad8cf6 2010-11-09 kinaba: unittest dc93ad8cf6 2010-11-09 kinaba: { 2459e9a821 2010-11-09 kinaba: assert_eq( evalString(`var fac = fun(x){ 633e700889 2010-11-07 kinaba: if(x) 633e700889 2010-11-07 kinaba: { x*fac(x-1); } 633e700889 2010-11-07 kinaba: else 633e700889 2010-11-07 kinaba: { 1; }; 633e700889 2010-11-07 kinaba: }; 2459e9a821 2010-11-09 kinaba: fac(10);`).val, new IntValue(BigInt(10*9*8*5040))); 2459e9a821 2010-11-09 kinaba: assert_eq( evalString(`var fib = fun(x){ 172a537bea 2010-11-07 kinaba: if(x<2) 172a537bea 2010-11-07 kinaba: { 1; } 172a537bea 2010-11-07 kinaba: else 172a537bea 2010-11-07 kinaba: { fib(x-1) + fib(x-2); }; 172a537bea 2010-11-07 kinaba: }; 8e3db9ef20 2010-11-20 kinaba: fib(5);`).val, new IntValue(BigInt(8))); c368edbcb1 2010-11-13 kinaba: } c368edbcb1 2010-11-13 kinaba: c368edbcb1 2010-11-13 kinaba: unittest c368edbcb1 2010-11-13 kinaba: { c368edbcb1 2010-11-13 kinaba: assert_throw!Throwable( evalString(`@@s(x){x}; @s "+"=fun(x,y){x-y};@s(1+2)`) ); c368edbcb1 2010-11-13 kinaba: assert_eq( evalString(`@@s(x){x}; @s "+"=fun(x,y){x-y};1+2`).val, new IntValue(BigInt(3)) ); 435fa085ec 2010-11-21 kinaba: assert_eq( evalString(`@@s(x){x}; @s "+"=fun(x,y){@value(@s(x)-@s(y))};1+2`).val, new IntValue(BigInt(3)) ); 435fa085ec 2010-11-21 kinaba: assert_eq( evalString(`@@s(x){x}; @s "+"=fun(x,y){@value(@s(x)-@s(y))};@s(1+2)`).val, new IntValue(BigInt(-1)) ); 7465fcdd7f 2010-11-09 kinaba: } 7465fcdd7f 2010-11-09 kinaba: 7465fcdd7f 2010-11-09 kinaba: unittest 7465fcdd7f 2010-11-09 kinaba: { c368edbcb1 2010-11-13 kinaba: assert_eq( evalString(`@@t = fun(x){x+1}; @t(123)`).val, new IntValue(BigInt(124)) ); 060f267779 2010-11-20 kinaba: // there was a bug that declaration in the first line of function definition 060f267779 2010-11-20 kinaba: // cannot be recursive 060f267779 2010-11-20 kinaba: assert_nothrow( evalString(`def foo() { 060f267779 2010-11-20 kinaba: def bar(y) { if(y<1) {0} else {bar(0)} }; 060f267779 2010-11-20 kinaba: bar(1) 060f267779 2010-11-20 kinaba: }; foo()`) ); 423f308350 2010-11-07 kinaba: } 3995a5eb6a 2010-11-21 kinaba: */