Move most of core stuff

This commit is contained in:
Michal Moskal 2016-04-01 22:32:33 -07:00
parent 6bf46577f9
commit 6559f386d2
6 changed files with 274 additions and 130 deletions

139
libs/microbit/core.cpp Normal file
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@ -0,0 +1,139 @@
#include "ksbit.h"
#include <limits.h>
namespace StringMethods {
/**
* Returns the character at the specified index.
* @param pos The zero-based index of the desired character.
*/
//%
StringData *charAt(StringData *s, int pos) {
return ManagedString((char)ManagedString(s).charAt(pos)).leakData();
}
/**
* Returns the Unicode value of the character at the specified location.
* @param index The zero-based index of the desired character. If there is no character at the specified index, NaN is returned.
*/
//%
int charCodeAt(StringData *s, int index) {
return ManagedString(s).charAt(index);
}
/**
* Returns a string that contains the concatenation of two or more strings.
* @param other The string to append to the end of the string.
*/
//%
StringData *concat(StringData *s, StringData *other) {
ManagedString a(s), b(other);
return (a + b).leakData();
}
/**
* Determines whether relative order of two strings (in ASCII encoding).
* @param that String to compare to target string
*/
//%
int compare(StringData *s, StringData *that) {
return strcmp(s->data, that->data);
}
/** Returns the length of a String object. */
//% property
int length(StringData *s) {
return s->len;
}
}
namespace BooleanMethods {
// Cache the string literals "true" and "false" when used.
// Note that the representation of booleans stays the usual C-one.
static const char sTrue[] __attribute__ ((aligned (4))) = "\xff\xff\x04\x00" "true\0";
static const char sFalse[] __attribute__ ((aligned (4))) = "\xff\xff\x05\x00" "false\0";
/**
* Returns a string representation of an object.
*/
//%
StringData* toString(bool v)
{
if (v) {
return (StringData*)(void*)sTrue;
} else {
return (StringData*)(void*)sFalse;
}
}
}
namespace String {
/**
* Make a string from the given ASCII character code.
*/
//%
StringData *fromCharCode(int code)
{
return ManagedString((char)code).leakData();
}
}
namespace NumberMethods {
/**
* Returns a string representation of a number.
*/
//%
StringData* toString(int n)
{
return ManagedString(n).leakData();
}
}
namespace Math {
/**
* Returns the value of a base expression taken to a specified power.
* @param x The base value of the expression.
* @param y The exponent value of the expression.
*/
//%
int pow(int x, int y)
{
if (y < 0)
return 0;
int r = 1;
while (y) {
if (y & 1)
r *= x;
y >>= 1;
x *= x;
}
return r;
}
/**
* Returns a pseudorandom number between 0 and `max`.
*/
//%
int random(int max) {
if (max == INT_MIN)
return -uBit.random(INT_MAX);
else if (max < 0)
return -uBit.random(-max);
else if (max == 0)
return 0;
else
return uBit.random(max);
}
/**
* Returns the square root of a number.
* @param x A numeric expression.
*/
//%
int sqrt(int x)
{
return ::sqrt(x);
}
}

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@ -78,75 +78,6 @@ interface Array<T> {
interface String { interface String {
/**
* Returns the character at the specified index.
* @param pos The zero-based index of the desired character.
*/
//% shim=string::at
charAt(pos: number): string;
/**
* Returns the Unicode value of the character at the specified location.
* @param index The zero-based index of the desired character. If there is no character at the specified index, NaN is returned.
*/
//% shim=string::code_at
charCodeAt(index: number): number;
/**
* Returns a string that contains the concatenation of two or more strings.
* @param strings The strings to append to the end of the string.
*/
//% shim=string::concat
concat(other: string): string;
/**
* Returns the position of the first occurrence of a substring.
* @param searchString The substring to search for in the string
* @param position The index at which to begin searching the String object. If omitted, search starts at the beginning of the string.
*/
indexOf(searchString: string, position?: number): number;
/**
* Returns the last occurrence of a substring in the string.
* @param searchString The substring to search for.
* @param position The index at which to begin searching. If omitted, the search begins at the end of the string.
*/
lastIndexOf(searchString: string, position?: number): number;
/**
* Determines whether two strings are equivalent in the current locale.
* @param that String to compare to target string
*/
localeCompare(that: string): number;
/**
* Returns a section of a string.
* @param start The index to the beginning of the specified portion of stringObj.
* @param end The index to the end of the specified portion of stringObj. The substring includes the characters up to, but not including, the character indicated by end.
* If this value is not specified, the substring continues to the end of stringObj.
*/
slice(start?: number, end?: number): string;
/**
* Returns the substring at the specified location within a String object.
* @param start The zero-based index number indicating the beginning of the substring.
* @param end Zero-based index number indicating the end of the substring. The substring includes the characters up to, but not including, the character indicated by end.
* If end is omitted, the characters from start through the end of the original string are returned.
*/
substring(start: number, end?: number): string;
/** Converts all the alphabetic characters in a string to lowercase. */
toLowerCase(): string;
/** Converts all the alphabetic characters in a string to uppercase. */
toUpperCase(): string;
/** Returns the length of a String object. */
//% shim=string::count
length: number;
//% shim=string::at
[index: number]: string; [index: number]: string;
} }
@ -187,50 +118,3 @@ interface Number {
toString(): string; toString(): string;
} }
declare namespace Math {
/**
* Returns the absolute value of a number (the value without regard to whether it is positive or negative).
* For example, the absolute value of -5 is the same as the absolute value of 5.
* @param x A numeric expression for which the absolute value is needed.
*/
//% shim=math::abs
export function abs(x: number): number;
/**
* Returns the sign of the x, indicating whether x is positive, negative or zero.
* @param x The numeric expression to test
*/
//% shim=math::sign
export function sign(x: number): number;
/**
* Returns the larger of two supplied numeric expressions.
*/
//% shim=math::max
export function max(a:number, b:number): number;
/**
* Returns the smaller of two supplied numeric expressions.
*/
//% shim=math::min
export function min(a:number, b:number): number;
/**
* Returns the value of a base expression taken to a specified power.
* @param x The base value of the expression.
* @param y The exponent value of the expression.
*/
//% shim=math::pow
export function pow(x: number, y: number): number;
/** Returns a pseudorandom number between 0 and `max`. */
//% shim=math::random
export function random(max:number): number;
/**
* Returns the square root of a number.
* @param x A numeric expression.
*/
//% shim=math::sqrt
export function sqrt(x: number): number;
}

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@ -284,8 +284,8 @@ namespace game {
private _blink: number; private _blink: number;
constructor(x: number, y: number) { constructor(x: number, y: number) {
this._x = math.clamp(0, 4, x); this._x = Math.clamp(0, 4, x);
this._y = math.clamp(0, 4, y); this._y = Math.clamp(0, 4, y);
this._dir = 90; this._dir = 90;
this._brightness = 255; this._brightness = 255;
init(); init();
@ -322,8 +322,8 @@ namespace game {
this._x = this._x - leds; this._x = this._x - leds;
this._y = this._y + leds; this._y = this._y + leds;
} }
this._x = math.clamp(0, 4, this._x); this._x = Math.clamp(0, 4, this._x);
this._y = math.clamp(0, 4, this._y); this._y = Math.clamp(0, 4, this._y);
plot(); plot();
} }
@ -336,8 +336,8 @@ namespace game {
public goTo(x: number, y: number): void { public goTo(x: number, y: number): void {
this._x = x; this._x = x;
this._y = y; this._y = y;
this._x = math.clamp(0, 4, this._x); this._x = Math.clamp(0, 4, this._x);
this._y = math.clamp(0, 4, this._y); this._y = Math.clamp(0, 4, this._y);
plot(); plot();
} }
@ -594,7 +594,7 @@ namespace game {
* @param brightness TODO * @param brightness TODO
*/ */
public setBrightness(brightness: number): void { public setBrightness(brightness: number): void {
this._brightness = math.clamp(0, 255, brightness); this._brightness = Math.clamp(0, 255, brightness);
plot(); plot();
} }
@ -639,7 +639,7 @@ namespace game {
* @param ms TODO * @param ms TODO
*/ */
public setBlink(ms: number): void { public setBlink(ms: number): void {
this._blink = math.clamp(0, 10000, ms); this._blink = Math.clamp(0, 10000, ms);
} }
/** /**

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@ -9,6 +9,7 @@
"shims.d.ts", "shims.d.ts",
"core.d.ts", "core.d.ts",
"ksbit.h", "ksbit.h",
"core.cpp",
"mbit.ts", "mbit.ts",
"images.cpp", "images.cpp",
"basic.cpp", "basic.cpp",

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@ -13,16 +13,52 @@ namespace helpers {
namespace console { namespace console {
export function log(msg: string) { export function log(msg: string) {
writeString(msg); serial.writeString(msg);
writeString("\r\n"); serial.writeString("\r\n");
} }
//% shim=micro_bit::serialSendString
function writeString(text: string): void { }
} }
namespace math { namespace Math {
export function clamp(min: number, max:number, value:number): number { export function clamp(min: number, max:number, value:number): number {
return Math.min(max, Math.max(min, value)); return Math.min(max, Math.max(min, value));
} }
/**
* Returns the absolute value of a number (the value without regard to whether it is positive or negative).
* For example, the absolute value of -5 is the same as the absolute value of 5.
* @param x A numeric expression for which the absolute value is needed.
*/
export function abs(x: number): number
{
return x < 0 ? -x : x;
}
/**
* Returns the sign of the x, indicating whether x is positive, negative or zero.
* @param x The numeric expression to test
*/
export function sign(x: number): number
{
if (x == 0) return 0;
if (x > 0) return 1;
return -1;
}
/**
* Returns the larger of two supplied numeric expressions.
*/
export function max(a:number, b:number): number
{
if (a >= b) return a;
return b;
}
/**
* Returns the smaller of two supplied numeric expressions.
*/
export function min(a:number, b:number): number
{
if (a <= b) return a;
return b;
}
} }

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@ -1,6 +1,90 @@
// Auto-generated. Do not edit. // Auto-generated. Do not edit.
declare interface String {
/**
* Returns the character at the specified index.
* @param pos The zero-based index of the desired character.
*/
//% shim=StringMethods::charAt
charAt(pos: number): string;
/**
* Returns the Unicode value of the character at the specified location.
* @param index The zero-based index of the desired character. If there is no character at the specified index, NaN is returned.
*/
//% shim=StringMethods::charCodeAt
charCodeAt(index: number): number;
/**
* Returns a string that contains the concatenation of two or more strings.
* @param other The string to append to the end of the string.
*/
//% shim=StringMethods::concat
concat(other: string): string;
/**
* Determines whether relative order of two strings (in ASCII encoding).
* @param that String to compare to target string
*/
//% shim=StringMethods::compare
compare(that: string): number;
/** Returns the length of a String object. */
//% property shim=StringMethods::length
length(): number;
}
declare interface Boolean {
/**
* Returns a string representation of an object.
*/
//% shim=BooleanMethods::toString
toString(): string;
}
declare namespace String {
/**
* Make a string from the given ASCII character code.
*/
//% shim=String::fromCharCode
function fromCharCode(code: number): string;
}
declare interface Number {
/**
* Returns a string representation of a number.
*/
//% shim=NumberMethods::toString
toString(): string;
}
declare namespace Math {
/**
* Returns the value of a base expression taken to a specified power.
* @param x The base value of the expression.
* @param y The exponent value of the expression.
*/
//% shim=Math::pow
function pow(x: number, y: number): number;
/**
* Returns a pseudorandom number between 0 and `max`.
*/
//% shim=Math::random
function random(max: number): number;
/**
* Returns the square root of a number.
* @param x A numeric expression.
*/
//% shim=Math::sqrt
function sqrt(x: number): number;
}
//% color=45 weight=31 //% color=45 weight=31
declare namespace images { declare namespace images {