2016-04-02 07:32:33 +02:00
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#include "ksbit.h"
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#include <limits.h>
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namespace StringMethods {
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/**
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* Returns the character at the specified index.
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* @param pos The zero-based index of the desired character.
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*/
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//%
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StringData *charAt(StringData *s, int pos) {
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return ManagedString((char)ManagedString(s).charAt(pos)).leakData();
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}
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/**
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* Returns the Unicode value of the character at the specified location.
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* @param index The zero-based index of the desired character. If there is no character at the specified index, NaN is returned.
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*/
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//%
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int charCodeAt(StringData *s, int index) {
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return ManagedString(s).charAt(index);
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}
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/**
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* Returns a string that contains the concatenation of two or more strings.
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* @param other The string to append to the end of the string.
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*/
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//%
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StringData *concat(StringData *s, StringData *other) {
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ManagedString a(s), b(other);
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return (a + b).leakData();
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}
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/**
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* Determines whether relative order of two strings (in ASCII encoding).
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* @param that String to compare to target string
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*/
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//%
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int compare(StringData *s, StringData *that) {
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return strcmp(s->data, that->data);
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}
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/** Returns the length of a String object. */
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//% property
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int length(StringData *s) {
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return s->len;
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}
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}
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namespace BooleanMethods {
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// Cache the string literals "true" and "false" when used.
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// Note that the representation of booleans stays the usual C-one.
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static const char sTrue[] __attribute__ ((aligned (4))) = "\xff\xff\x04\x00" "true\0";
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static const char sFalse[] __attribute__ ((aligned (4))) = "\xff\xff\x05\x00" "false\0";
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/**
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* Returns a string representation of an object.
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*/
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//%
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StringData* toString(bool v)
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{
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if (v) {
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return (StringData*)(void*)sTrue;
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} else {
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return (StringData*)(void*)sFalse;
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}
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}
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2016-04-02 20:22:36 +02:00
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//%
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bool bang(bool v) { return !v; }
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2016-04-02 07:32:33 +02:00
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}
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2016-04-03 05:35:22 +02:00
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namespace String_ {
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2016-04-02 07:32:33 +02:00
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/**
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* Make a string from the given ASCII character code.
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*/
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//%
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StringData *fromCharCode(int code)
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{
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return ManagedString((char)code).leakData();
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}
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2016-04-02 07:46:06 +02:00
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//%
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int toNumber(StringData *s) {
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return atoi(s->data);
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}
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2016-04-02 20:22:36 +02:00
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//%
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StringData *mkEmpty()
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{
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return ManagedString::EmptyString.leakData();
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}
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2016-04-02 07:32:33 +02:00
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}
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namespace NumberMethods {
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/**
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* Returns a string representation of a number.
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*/
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//%
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StringData* toString(int n)
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{
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return ManagedString(n).leakData();
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}
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}
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2016-04-02 20:22:36 +02:00
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namespace NumberImpl {
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// +, - and friends are handled directly by assembly instructions
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// The comparisons are here as they are more code-size efficient
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//%
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bool lt(int x, int y) { return x < y; }
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//%
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bool le(int x, int y) { return x <= y; }
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//%
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bool neq(int x, int y) { return x != y; }
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//%
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bool eq(int x, int y) { return x == y; }
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//%
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bool gt(int x, int y) { return x > y; }
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//%
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bool ge(int x, int y) { return x >= y; }
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// These in fact call into C runtime on Cortex-M0
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//%
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int div(int x, int y) { return x / y; }
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//%
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int mod(int x, int y) { return x % y; }
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}
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2016-04-03 05:35:22 +02:00
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namespace Math_ {
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2016-04-02 07:32:33 +02:00
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/**
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* Returns the value of a base expression taken to a specified power.
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* @param x The base value of the expression.
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* @param y The exponent value of the expression.
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*/
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//%
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int pow(int x, int y)
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{
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if (y < 0)
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return 0;
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int r = 1;
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while (y) {
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if (y & 1)
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r *= x;
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y >>= 1;
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x *= x;
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}
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return r;
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}
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/**
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* Returns a pseudorandom number between 0 and `max`.
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*/
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//%
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int random(int max) {
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if (max == INT_MIN)
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return -uBit.random(INT_MAX);
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else if (max < 0)
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return -uBit.random(-max);
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else if (max == 0)
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return 0;
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else
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return uBit.random(max);
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}
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/**
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* Returns the square root of a number.
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* @param x A numeric expression.
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*/
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//%
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int sqrt(int x)
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{
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return ::sqrt(x);
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}
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}
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2016-04-02 07:46:06 +02:00
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namespace ArrayImpl {
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//%
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RefCollection *mk(uint32_t flags)
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{
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2016-04-02 22:44:29 +02:00
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return new RefCollection(flags);
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2016-04-02 07:46:06 +02:00
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}
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//%
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2016-04-02 22:44:29 +02:00
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int length(RefCollection *c) { return c->length(); }
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2016-04-02 07:46:06 +02:00
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//%
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2016-04-02 22:44:29 +02:00
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void push(RefCollection *c, uint32_t x) { c->push(x); }
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2016-04-02 07:46:06 +02:00
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//%
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2016-04-02 22:44:29 +02:00
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uint32_t getAt(RefCollection *c, int x) { return c->getAt(x); }
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2016-04-02 07:46:06 +02:00
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//%
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2016-04-02 22:44:29 +02:00
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void removeAt(RefCollection *c, int x) { c->removeAt(x); }
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2016-04-02 07:46:06 +02:00
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//%
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2016-04-02 22:44:29 +02:00
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void setAt(RefCollection *c, int x, uint32_t y) { c->setAt(x, y); }
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2016-04-02 07:46:06 +02:00
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//%
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2016-04-02 22:44:29 +02:00
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int indexOf(RefCollection *c, uint32_t x, int start) { return c->indexOf(x, start); }
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2016-04-02 07:46:06 +02:00
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//%
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2016-04-02 22:44:29 +02:00
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int removeElement(RefCollection *c, uint32_t x) { return c->removeElement(x); }
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2016-04-02 07:46:06 +02:00
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}
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2016-04-02 22:44:29 +02:00
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// Import some stuff directly
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2016-04-02 23:18:10 +02:00
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namespace kindscript {
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2016-04-02 22:44:29 +02:00
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//%
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void registerWithDal(int id, int event, Action a);
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//%
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void runAction0(Action a);
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//%
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void runAction1(Action a, int arg);
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//%
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Action mkAction(int reflen, int totallen, int startptr);
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//%
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RefRecord* mkRecord(int reflen, int totallen);
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//%
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void debugMemLeaks();
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//%
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int incr(uint32_t e);
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//%
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void decr(uint32_t e);
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//%
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uint32_t *allocate(uint16_t sz);
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//%
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int templateHash();
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//%
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int programHash();
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//%
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void *ptrOfLiteral(int offset);
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2016-04-02 20:22:36 +02:00
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}
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namespace ksrt {
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//%
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uint32_t ldloc(RefLocal *r) {
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return r->v;
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}
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//%
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uint32_t ldlocRef(RefRefLocal *r) {
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uint32_t tmp = r->v;
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incr(tmp);
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return tmp;
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}
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//%
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void stloc(RefLocal *r, uint32_t v) {
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r->v = v;
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}
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//%
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void stlocRef(RefRefLocal *r, uint32_t v) {
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decr(r->v);
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r->v = v;
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}
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//%
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RefLocal *mkloc() {
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return new RefLocal();
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}
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//%
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RefRefLocal *mklocRef() {
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return new RefRefLocal();
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}
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// All of the functions below unref() self. This is for performance reasons -
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// the code emitter will not emit the unrefs for them.
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//%
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uint32_t ldfld(RefRecord *r, int idx) {
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auto tmp = r->ld(idx);
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r->unref();
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return tmp;
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}
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//%
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uint32_t ldfldRef(RefRecord *r, int idx) {
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auto tmp = r->ldref(idx);
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r->unref();
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return tmp;
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}
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//%
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void stfld(RefRecord *r, int idx, uint32_t val) {
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r->st(idx, val);
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r->unref();
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}
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//%
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void stfldRef(RefRecord *r, int idx, uint32_t val) {
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r->stref(idx, val);
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r->unref();
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}
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//%
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uint32_t ldglb(int idx) {
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check(0 <= idx && idx < numGlobals, ERR_OUT_OF_BOUNDS, 7);
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return globals[idx];
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}
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//%
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uint32_t ldglbRef(int idx) {
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check(0 <= idx && idx < numGlobals, ERR_OUT_OF_BOUNDS, 7);
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uint32_t tmp = globals[idx];
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incr(tmp);
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return tmp;
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}
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// note the idx comes last - it's more convenient that way in the emitter
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//%
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void stglb(uint32_t v, int idx)
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{
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check(0 <= idx && idx < numGlobals, ERR_OUT_OF_BOUNDS, 7);
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globals[idx] = v;
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}
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//%
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void stglbRef(uint32_t v, int idx)
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{
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check(0 <= idx && idx < numGlobals, ERR_OUT_OF_BOUNDS, 7);
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decr(globals[idx]);
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globals[idx] = v;
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}
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// Store a captured local in a closure. It returns the action, so it can be chained.
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//%
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RefAction *stclo(RefAction *a, int idx, uint32_t v)
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{
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//DBG("STCLO "); a->print(); DBG("@%d = %p\n", idx, (void*)v);
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2016-04-04 01:52:57 +02:00
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a->stCore(idx, v);
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2016-04-02 20:22:36 +02:00
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return a;
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}
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//%
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2016-04-02 22:44:29 +02:00
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void panic(int code)
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{
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uBit.panic(code);
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2016-04-02 20:22:36 +02:00
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}
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2016-04-02 22:44:29 +02:00
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}
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