36 lines
666 B
PHP
36 lines
666 B
PHP
<?php
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namespace captn3m0\NandToTetris;
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class CommandType {
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const CALL = 0;
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const PUSH = 1;
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const POP = 2;
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const LABEL= 3;
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const GOTO= 4;
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const IF= 5;
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const FUNC= 6;
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const RETURN= 7;
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const ARITHMETIC= 8;
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const ARITHMETIC_COMMANDS = ['add', 'sub', 'neg', 'eq', 'gt', 'lt', 'and', 'or', 'not'];
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public static function fromName(String $name) {
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if(in_array($name, self::ARITHMETIC_COMMANDS)) {
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return self::ARITHMETIC;
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} else {
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$map = [
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"call",
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"push",
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"pop",
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"label",
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"goto",
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"if",
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"func",
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"return"
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];
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return array_search($name, $map);
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}
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}
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}
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