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