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220 lines
4.0 KiB
220 lines
4.0 KiB
2 years ago
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import TempNode from '../core/TempNode.js';
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class OperatorNode extends TempNode {
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constructor( op, aNode, bNode, ...params ) {
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super();
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this.op = op;
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if ( params.length > 0 ) {
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let finalBNode = bNode;
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for ( let i = 0; i < params.length; i ++ ) {
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finalBNode = new OperatorNode( op, finalBNode, params[ i ] );
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}
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bNode = finalBNode;
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}
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this.aNode = aNode;
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this.bNode = bNode;
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}
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getNodeType( builder, output ) {
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const op = this.op;
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const aNode = this.aNode;
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const bNode = this.bNode;
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const typeA = aNode.getNodeType( builder );
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const typeB = bNode.getNodeType( builder );
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if ( typeA === 'void' || typeB === 'void' ) {
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return 'void';
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} else if ( op === '=' || op === '%' ) {
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return typeA;
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} else if ( op === '&' || op === '|' || op === '^' || op === '>>' || op === '<<' ) {
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return builder.getIntegerType( typeA );
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} else if ( op === '==' || op === '&&' || op === '||' || op === '^^' ) {
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return 'bool';
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} else if ( op === '<' || op === '>' || op === '<=' || op === '>=' ) {
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const typeLength = builder.getTypeLength( output );
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return typeLength > 1 ? `bvec${ typeLength }` : 'bool';
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} else {
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if ( typeA === 'float' && builder.isMatrix( typeB ) ) {
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return typeB;
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} else if ( builder.isMatrix( typeA ) && builder.isVector( typeB ) ) {
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// matrix x vector
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return builder.getVectorFromMatrix( typeA );
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} else if ( builder.isVector( typeA ) && builder.isMatrix( typeB ) ) {
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// vector x matrix
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return builder.getVectorFromMatrix( typeB );
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} else if ( builder.getTypeLength( typeB ) > builder.getTypeLength( typeA ) ) {
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// anytype x anytype: use the greater length vector
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return typeB;
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}
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return typeA;
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}
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}
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generate( builder, output ) {
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const op = this.op;
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const aNode = this.aNode;
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const bNode = this.bNode;
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const type = this.getNodeType( builder, output );
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let typeA = null;
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let typeB = null;
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if ( type !== 'void' ) {
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typeA = aNode.getNodeType( builder );
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typeB = bNode.getNodeType( builder );
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if ( op === '=' ) {
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typeB = typeA;
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} else if ( op === '<' || op === '>' || op === '<=' || op === '>=' ) {
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if ( builder.isVector( typeA ) ) {
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typeB = typeA;
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} else {
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typeA = typeB = 'float';
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}
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} else if ( op === '>>' || op === '<<' ) {
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typeA = type;
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typeB = builder.changeComponentType( typeB, 'uint' );
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} else if ( builder.isMatrix( typeA ) && builder.isVector( typeB ) ) {
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// matrix x vector
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typeB = builder.getVectorFromMatrix( typeA );
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} else if ( builder.isVector( typeA ) && builder.isMatrix( typeB ) ) {
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// vector x matrix
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typeA = builder.getVectorFromMatrix( typeB );
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} else {
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// anytype x anytype
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typeA = typeB = type;
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}
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} else {
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typeA = typeB = type;
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}
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const a = aNode.build( builder, typeA );
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const b = bNode.build( builder, typeB );
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const outputLength = builder.getTypeLength( output );
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if ( output !== 'void' ) {
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if ( op === '=' ) {
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builder.addFlowCode( `${a} ${this.op} ${b}` );
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return a;
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} else if ( op === '<' && outputLength > 1 ) {
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return builder.format( `${ builder.getMethod( 'lessThan' ) }( ${a}, ${b} )`, type, output );
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} else if ( op === '<=' && outputLength > 1 ) {
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return builder.format( `${ builder.getMethod( 'lessThanEqual' ) }( ${a}, ${b} )`, type, output );
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} else if ( op === '>' && outputLength > 1 ) {
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return builder.format( `${ builder.getMethod( 'greaterThan' ) }( ${a}, ${b} )`, type, output );
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} else if ( op === '>=' && outputLength > 1 ) {
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return builder.format( `${ builder.getMethod( 'greaterThanEqual' ) }( ${a}, ${b} )`, type, output );
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} else {
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return builder.format( `( ${a} ${this.op} ${b} )`, type, output );
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}
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} else if ( typeA !== 'void' ) {
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return builder.format( `${a} ${this.op} ${b}`, type, output );
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}
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}
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serialize( data ) {
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super.serialize( data );
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data.op = this.op;
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}
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deserialize( data ) {
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super.deserialize( data );
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this.op = data.op;
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}
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}
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export default OperatorNode;
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