File: Bool.cpp

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#include "stdafx.h"
#include "Bool.h"
#include "Function.h"
#include "Number.h"
#include "Core/Io/Serialization.h"

namespace storm {
	using namespace code;

	Type *createBool(Str *name, Size size, GcType *type) {
		return new (name) BoolType(name, type);
	}

	static void boolAnd(InlineParams p) {
		if (p.result->needed()) {
			Operand result = p.result->location(p.state);
			*p.state->l << mov(result, p.param(0));
			*p.state->l << band(result, p.param(1));
		}
	}

	static void boolOr(InlineParams p) {
		if (p.result->needed()) {
			Operand result = p.result->location(p.state);
			*p.state->l << mov(result, p.param(0));
			*p.state->l << bor(result, p.param(1));
		}
	}

	static void boolEq(InlineParams p) {
		if (p.result->needed()) {
			Operand result = p.result->location(p.state);
			*p.state->l << cmp(p.param(0), p.param(1));
			*p.state->l << setCond(result, ifEqual);
		}
	}

	static void boolNeq(InlineParams p) {
		if (p.result->needed()) {
			Operand result = p.result->location(p.state);
			*p.state->l << cmp(p.param(0), p.param(1));
			*p.state->l << setCond(result, ifNotEqual);
		}
	}

	static void boolNot(InlineParams p) {
		if (p.result->needed()) {
			Operand result = p.result->location(p.state);
			*p.state->l << cmp(p.param(0), byteConst(0));
			*p.state->l << setCond(result, ifEqual);
		}
	}

	static void boolAssign(InlineParams p) {
		p.allocRegs(0);
		Reg dest = p.regParam(0);

		*p.state->l << mov(byteRel(dest, Offset()), p.param(1));
		if (p.result->needed()) {
			if (p.result->type().ref) {
				if (!p.result->suggest(p.state, p.originalParam(0)))
					*p.state->l << mov(p.result->location(p.state), dest);
			} else {
				if (!p.result->suggest(p.state, p.param(1)))
					*p.state->l << mov(p.result->location(p.state), p.param(1));
			}
		}
	}

	static void boolCopyCtor(InlineParams p) {
		p.allocRegs(0, 1);
		*p.state->l << mov(byteRel(p.regParam(0), Offset()), byteRel(p.regParam(1), Offset()));
	}

	static void boolInit(InlineParams p) {
		p.allocRegs(0);
		*p.state->l << mov(byteRel(p.regParam(0), Offset()), byteConst(0));
	}

	static Bool boolRead(IStream *from) {
		return from->readBool();
	}

	static Bool boolReadS(ObjIStream *from) {
		Bool r;
		from->readPrimitiveValue(boolId, &r);
		return r;
	}

	static void boolWrite(Bool v, OStream *to) {
		to->writeBool(v);
	}

	static void boolWriteS(Bool v, ObjOStream *to) {
		to->startPrimitive(boolId);
		to->to->writeBool(v);
		to->end();
	}

	static void boolToS(Bool &v, StrBuf *to) {
		*to << v;
	}


	BoolType::BoolType(Str *name, GcType *type) : Type(name, typeValue | typeFinal, Size::sByte, type, null) {}

	Bool BoolType::loadAll() {
		Array<Value> *r = new (this) Array<Value>(1, Value(this, true));
		Array<Value> *v = new (this) Array<Value>(1, Value(this, false));
		Array<Value> *rr = new (this) Array<Value>(2, Value(this, true));
		Array<Value> *vv = new (this) Array<Value>(2, Value(this, false));
		Array<Value> *rv = new (this) Array<Value>(2, Value(this, true));
		rv->at(1) = Value(this);

		add(inlinedFunction(engine, Value(this), S("&"), vv, fnPtr(engine, &boolAnd))->makePure());
		add(inlinedFunction(engine, Value(this), S("|"), vv, fnPtr(engine, &boolOr))->makePure());
		add(inlinedFunction(engine, Value(this), S("=="), vv, fnPtr(engine, &boolEq))->makePure());
		add(inlinedFunction(engine, Value(this), S("!="), vv, fnPtr(engine, &boolNeq))->makePure());
		add(inlinedFunction(engine, Value(this), S("!"), v, fnPtr(engine, &boolNot))->makePure());

		add(inlinedFunction(engine, Value(), Type::CTOR, rr, fnPtr(engine, &boolCopyCtor))->makePure());
		add(inlinedFunction(engine, Value(), Type::CTOR, r, fnPtr(engine, &boolInit))->makePure());
		add(inlinedFunction(engine, Value(this, true), S("="), rv, fnPtr(engine, &boolAssign))->makePure());

		Array<Value> *rs = new (this) Array<Value>(2, Value(this, true));
		rs->at(1) = StormInfo<StrBuf>::type(engine);
		add(nativeFunction(engine, Value(), S("toS"), rs, address(&boolToS)));
		add(inlinedFunction(engine, Value(StormInfo<Byte>::type(engine)), S("byte"), v, fnPtr(engine, &ucast))->makePure());
		add(inlinedFunction(engine, Value(StormInfo<Nat>::type(engine)), S("nat"), v, fnPtr(engine, &ucast))->makePure());
		add(inlinedFunction(engine, Value(StormInfo<Word>::type(engine)), S("word"), v, fnPtr(engine, &ucast))->makePure());

		Array<Value> *is = new (this) Array<Value>(1, Value(StormInfo<IStream>::type(engine)));
		add(nativeFunction(engine, Value(this), S("read"), is, address(&boolRead)));

		is = new (this) Array<Value>(1, Value(StormInfo<ObjIStream>::type(engine)));
		add(nativeFunction(engine, Value(this), S("read"), is, address(&boolReadS)));

		Array<Value> *os = new (this) Array<Value>(2, Value(this, false));
		os->at(1) = Value(StormInfo<OStream>::type(engine));
		add(nativeFunction(engine, Value(), S("write"), os, address(&boolWrite)));

		os = new (this) Array<Value>(2, Value(this, false));
		os->at(1) = Value(StormInfo<ObjOStream>::type(engine));
		add(nativeFunction(engine, Value(), S("write"), os, address(&boolWriteS)));

		return Type::loadAll();
	}

}