39 lines
1.4 KiB
JavaScript
39 lines
1.4 KiB
JavaScript
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import { error } from "./lexer.js";
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export const COMPUTE_TYPES = {
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UINT: 0,
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INT: 1,
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FLOAT: 2
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}
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export const getOutType = (...types)=>Math.max(...types);
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export const convertType = (typein,typeout,reg) => {
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if(typein == typeout) return "//no type conversion nessesary";
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if(typein == COMPUTE_TYPES.UINT && typeout == COMPUTE_TYPES.INT){
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return "//no type conversion nessesary (u -> i)";
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}
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if(typein == COMPUTE_TYPES.INT && typeout == COMPUTE_TYPES.UINT){
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return `SET $${reg + 1},#7fffffffffffffff
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AND $${reg},$${reg},$${reg + 1} convert i -> u`;
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}
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if(typein == COMPUTE_TYPES.INT && typeout == COMPUTE_TYPES.FLOAT){
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return ` FLOT $${reg},$${reg} convert i -> f`;
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}
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if(typein == COMPUTE_TYPES.UINT && typeout == COMPUTE_TYPES.FLOAT){
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return `SET $${reg + 1},#7fffffffffffffff
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AND $${reg},$${reg},$${reg + 1}
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FLOT $${reg},$${reg} convert i -> f`;
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}
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if(typein == COMPUTE_TYPES.FLOAT && typeout == COMPUTE_TYPES.INT){
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return ` FIX $${reg},$${reg} convert f -> i`;
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}
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if(typein == COMPUTE_TYPES.FLOAT && typeout == COMPUTE_TYPES.UINT){
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return ` FLOT $${reg},$${reg} convert i -> f
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SET $${reg + 1},#7fffffffffffffff
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AND $${reg},$${reg},$${reg+1}`;
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}
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error("[System error] Could not find a possible Type conversion.")
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}
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