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ecs: better with filter

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This commit is contained in:
Steven Hugg 2022-02-03 08:51:28 -06:00
parent c299bcddae
commit a7f708a303
1 changed files with 29 additions and 14 deletions
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43
src/common/ecs/ecs.ts
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@ -212,14 +212,18 @@ export class Dialect_CA65 {
@__exit:
`;
// TODO: lo/hi side of range?
readonly ASM_FILTER_RANGE_X = `
readonly ASM_FILTER_RANGE_LO_X = `
cpx #{{%xofs}}
bcc @__skip
cpx #{{%xofs}}+{{%ecount}}
bcs @__skip
bcc @__skipxlo
{{%code}}
@__skip:
@__skipxlo:
`
readonly ASM_FILTER_RANGE_HI_X = `
cpx #{{%xofs}}+{{%ecount}}
bcs @__skipxhi
{{%code}}
@__skipxhi:
`
// TODO
@ -531,7 +535,7 @@ class ActionEval {
// TODO: what if we filter 0 entities?
if (int.entities.length == 0) throw new ECSError('queries do not intersect', this.action);
let indofs = int.entities[0].id - state.x.entities[0].id;
state.xofs += indofs;
state.xofs += indofs; // TODO: should merge with filter
state.x = int;
} else {
if (this.qr.entities.length != 1)
@ -570,25 +574,26 @@ class ActionEval {
props['%joinfield'] = this.dialect.fieldsymbol(joinfield.c, joinfield.f, 0); //TODO?
this.qr = this.jr; // TODO?
}
// select subset of entities
let entities = this.qr.entities;
props['%efullcount'] = entities.length.toString();
let fullEntityCount = entities.length.toString();
if (action.limit) {
entities = entities.slice(0, action.limit);
}
if (entities.length == 0)
throw new ECSError(`query doesn't match any entities`, action.query); // TODO
this.qr.entities = entities;
// filter entities from loop?
if (action.select == 'with' && entities.length > 1) {
// TODO: what if not needed
code = this.wrapCodeInFilter(code);
}
// define properties
props['%elo'] = entities[0].id.toString();
props['%ehi'] = entities[entities.length - 1].id.toString();
props['%ecount'] = entities.length.toString();
props['%efullcount'] = fullEntityCount;
props['%xofs'] = this.scope.state.xofs.toString();
props['%yofs'] = this.scope.state.yofs.toString();
this.qr.entities = entities;
}
// replace @labels
code = code.replace(label_re, (s: string, a: string) => `${label}__${a}`);
@ -642,10 +647,20 @@ class ActionEval {
return s;
}
wrapCodeInFilter(code: string) {
// TODO: what if not needed?
let s = this.dialect.ASM_FILTER_RANGE_X;
s = s.replace('{{%code}}', code);
return s;
// TODO: :-p
let ents = this.qr.entities;
let ents2 = this.oldState.x?.entities;
if (ents && ents2) {
let lo = ents[0].id;
let hi = ents[ents.length-1].id;
let lo2 = ents2[0].id;
let hi2 = ents2[ents2.length-1].id;
if (lo != lo2)
code = this.dialect.ASM_FILTER_RANGE_LO_X.replace('{{%code}}', code);
if (hi != hi2)
code = this.dialect.ASM_FILTER_RANGE_HI_X.replace('{{%code}}', code);
}
return code;
}
generateCodeForField(sys: System, action: Action, qr: QueryResult,
fieldName: string, bitofs: number): string {