#14321

Committed 04 May 2025 09:22PM UTC coverage: 87.055% (+0.006%) from 87.049%

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Commit Message

Merge 99e4ebfd9 into 9f25468b6

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13692 of 16621 branches covered (82.38%)

Branch coverage included in aggregate %.

168 of 189 new or added lines in 13 files covered. (88.89%)

194 existing lines in 10 files now uncovered.

14581 of 15856 relevant lines covered (91.96%)

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92.42

/src/types/TypedFunctionType.ts

import { isDynamicType, isObjectType, isTypedFunctionType } from '../astUtils/reflection';
import { BaseFunctionType } from './BaseFunctionType';
import type { BscType } from './BscType';
import { BscTypeKind } from './BscTypeKind';
import { isUnionTypeCompatible } from './helpers';
import { BuiltInInterfaceAdder } from './BuiltInInterfaceAdder';
import type { TypeCompatibilityData } from '../interfaces';

export class TypedFunctionType extends BaseFunctionType {
    constructor(
        public returnType: BscType
    ) {
        super();
    }

    public readonly kind = BscTypeKind.TypedFunctionType;

    /**
     * The name of the function for this type. Can be null
     */
    public name: string;

    /**
     * Determines if this is a sub or not
     */
    public isSub = false;

    /**
     * Does this function accept more args than just those in this.params
     */
    public isVariadic = false;

    public params = [] as Array<{ name: string; type: BscType; isOptional: boolean }>;

    public setName(name: string) {
        this.name = name;
        return this;
    }

    public setSub(isSub: boolean) {
        this.isSub = isSub;
        return this;
    }

    public addParameter(name: string, type: BscType, isOptional: boolean) {
        this.params.push({
            name: name,
            type: type,
            isOptional: isOptional === true ? true : false
        });
        return this;
    }

    public isTypeCompatible(targetType: BscType, data: TypeCompatibilityData = {}) {
        if (
            isDynamicType(targetType) ||
            isObjectType(targetType) ||
            isUnionTypeCompatible(this, targetType, data)
        ) {
            return true;
        }
        if (isTypedFunctionType(targetType)) {
            return this.checkParamsAndReturnValue(targetType, true, (t1, t2, d) => t1.isTypeCompatible(t2, d), data);
        }
        return false;
    }

    public toString() {
        let paramTexts = [];
        for (let param of this.params) {
            paramTexts.push(`${param.name}${param.isOptional ? '?' : ''} as ${param.type.toString()}`);
        }
        let variadicText = '';
        if (this.isVariadic) {
            if (paramTexts.length > 0) {
                variadicText += ', ';
            }
            variadicText += '...';
        }
        return `${this.isSub ? 'sub' : 'function'} ${this.name ?? ''}(${paramTexts.join(', ')}${variadicText}) as ${this.returnType.toString()}`;
    }

    public toTypeString(): string {
        return 'Function';
    }

    isEqual(targetType: BscType, data: TypeCompatibilityData = {}) {
        if (isTypedFunctionType(targetType)) {
            const checkNames = data?.allowNameEquality ?? true;
            if (checkNames && this.toString().toLowerCase() === targetType.toString().toLowerCase()) {
                // this function has the same param names and types and return type as the target
                return true;
            }
            return this.checkParamsAndReturnValue(targetType, false, (t1, t2, predData = {}) => {
                return t1.isEqual(t2, { ...predData, allowNameEquality: checkNames });
            }, data);
        }
        return false;
    }

    private checkParamsAndReturnValue(targetType: TypedFunctionType, allowOptionalParamDifferences: boolean, predicate: (type1: BscType, type2: BscType, data: TypeCompatibilityData) => boolean, data?: TypeCompatibilityData) {
        //compare all parameters
        let len = Math.max(this.params.length, targetType.params.length);
        for (let i = 0; i < len; i++) {
            let myParam = this.params[i];
            let targetParam = targetType.params[i];
            const paramTypeData: TypeCompatibilityData = {};
            if (allowOptionalParamDifferences && !myParam && targetParam.isOptional) {
                // target func has MORE (optional) params... that's ok
                break;
            }

            if (!myParam || !targetParam || !predicate(myParam.type, targetParam.type, paramTypeData)) {
                data = data ?? {};
                data.parameterMismatches = data.parameterMismatches ?? [];
                paramTypeData.expectedType = paramTypeData.expectedType ?? myParam?.type;
                paramTypeData.actualType = paramTypeData.actualType ?? targetParam?.type;
                if (!targetParam || !myParam) {
                    data.expectedParamCount = this.params.filter(p => !p.isOptional).length;
                    data.actualParamCount = targetType.params.filter(p => !p.isOptional).length;
                }
                data.parameterMismatches.push({ index: i, data: paramTypeData });
                data.expectedType = this;
                data.actualType = targetType;
                return false;
            }
            if ((!allowOptionalParamDifferences && myParam.isOptional !== targetParam.isOptional) ||
                (!myParam.isOptional && targetParam.isOptional)) {
                data = data ?? {};
                data.parameterMismatches = data.parameterMismatches ?? [];
                data.parameterMismatches.push({ index: i, expectedOptional: myParam.isOptional, actualOptional: targetParam.isOptional, data: paramTypeData });
                data.expectedType = this;
                data.actualType = targetType;
                return false;
            }
        }
        //compare return type
        const returnTypeData: TypeCompatibilityData = {};
        if (!this.returnType || !targetType.returnType || !predicate(this.returnType, targetType.returnType, data)) {
            data = data ?? {};
            returnTypeData.expectedType = returnTypeData.expectedType ?? this.returnType;
            returnTypeData.actualType = returnTypeData.actualType ?? targetType.returnType;
            data.returnTypeMismatch = returnTypeData;
            data.expectedType = this;
            data.actualType = targetType;
            return false;
        }
        //compare Variadic
        if (this.isVariadic !== targetType.isVariadic) {
            data = data ?? {};
            data.expectedVariadic = this.isVariadic;
            data.actualVariadic = targetType.isVariadic;
            data.expectedType = this;
            data.actualType = targetType;
            return false;
        }
        //made it here, all params and return type pass predicate
        return true;
    }
}

BuiltInInterfaceAdder.typedFunctionFactory = (returnType: BscType) => {
    return new TypedFunctionType(returnType);
};

1	import { isDynamicType, isObjectType, isTypedFunctionType } from '../astUtils/reflection';	1✔
2	import { BaseFunctionType } from './BaseFunctionType';	1✔
3	import type { BscType } from './BscType';
4	import { BscTypeKind } from './BscTypeKind';	1✔
5	import { isUnionTypeCompatible } from './helpers';	1✔
6	import { BuiltInInterfaceAdder } from './BuiltInInterfaceAdder';	1✔
7	import type { TypeCompatibilityData } from '../interfaces';
8
9	export class TypedFunctionType extends BaseFunctionType {	1✔
10	constructor(
11	public returnType: BscType	6,052✔
12	) {
13	super();	6,052✔
14	}
15
16	public readonly kind = BscTypeKind.TypedFunctionType;	6,052✔
17
18	/**
19	* The name of the function for this type. Can be null
20	*/
21	public name: string;
22
23	/**
24	* Determines if this is a sub or not
25	*/
26	public isSub = false;	6,052✔
27
28	/**
29	* Does this function accept more args than just those in this.params
30	*/
31	public isVariadic = false;	6,052✔
32
33	public params = [] as Array<{ name: string; type: BscType; isOptional: boolean }>;	6,052✔
34
35	public setName(name: string) {
36	this.name = name;	8,592✔
37	return this;	8,592✔
38	}
39
40	public setSub(isSub: boolean) {
41	this.isSub = isSub;	8✔
42	return this;	8✔
43	}
44
45	public addParameter(name: string, type: BscType, isOptional: boolean) {
46	this.params.push({	3,151✔
47	name: name,
48	type: type,
49	isOptional: isOptional === true ? true : false	3,151✔
50	});
51	return this;	3,151✔
52	}
53
54	public isTypeCompatible(targetType: BscType, data: TypeCompatibilityData = {}) {	26✔
55	if (	20,826✔
56	isDynamicType(targetType) \|\|	62,476✔
57	isObjectType(targetType) \|\|
58	isUnionTypeCompatible(this, targetType, data)
59	) {
60	return true;	1✔
61	}
62	if (isTypedFunctionType(targetType)) {	20,825✔
63	return this.checkParamsAndReturnValue(targetType, true, (t1, t2, d) => t1.isTypeCompatible(t2, d), data);	40,927✔
64	}
65	return false;	2✔
66	}
67
68	public toString() {
69	let paramTexts = [];	8,414✔
70	for (let param of this.params) {	8,414✔
71	paramTexts.push(`${param.name}${param.isOptional ? '?' : ''} as ${param.type.toString()}`);	10,766✔
72	}
73	let variadicText = '';	8,414✔
74	if (this.isVariadic) {	8,414✔
75	if (paramTexts.length > 0) {	11✔
76	variadicText += ', ';	1✔
77	}
78	variadicText += '...';	11✔
79	}
80	return `${this.isSub ? 'sub' : 'function'} ${this.name ?? ''}(${paramTexts.join(', ')}${variadicText}) as ${this.returnType.toString()}`;	8,414✔
81	}
82
83	public toTypeString(): string {
UNCOV 84	return 'Function';	×
85	}
86
87	isEqual(targetType: BscType, data: TypeCompatibilityData = {}) {	24✔
88	if (isTypedFunctionType(targetType)) {	290!
89	const checkNames = data?.allowNameEquality ?? true;	290!
90	if (checkNames && this.toString().toLowerCase() === targetType.toString().toLowerCase()) {	290✔
91	// this function has the same param names and types and return type as the target
92	return true;	182✔
93	}
94	return this.checkParamsAndReturnValue(targetType, false, (t1, t2, predData = {}) => {	108!
95	return t1.isEqual(t2, { ...predData, allowNameEquality: checkNames });	128✔
96	}, data);
97	}
UNCOV 98	return false;	×
99	}
100
101	private checkParamsAndReturnValue(targetType: TypedFunctionType, allowOptionalParamDifferences: boolean, predicate: (type1: BscType, type2: BscType, data: TypeCompatibilityData) => boolean, data?: TypeCompatibilityData) {
102	//compare all parameters
103	let len = Math.max(this.params.length, targetType.params.length);	20,931✔
104	for (let i = 0; i < len; i++) {	20,931✔
105	let myParam = this.params[i];	20,181✔
106	let targetParam = targetType.params[i];	20,181✔
107	const paramTypeData: TypeCompatibilityData = {};	20,181✔
108	if (allowOptionalParamDifferences && !myParam && targetParam.isOptional) {	20,181✔
109	// target func has MORE (optional) params... that's ok
110	break;	1✔
111	}
112
113	if (!myParam \|\| !targetParam \|\| !predicate(myParam.type, targetParam.type, paramTypeData)) {	20,180✔
114	data = data ?? {};	38!
115	data.parameterMismatches = data.parameterMismatches ?? [];	38!
116	paramTypeData.expectedType = paramTypeData.expectedType ?? myParam?.type;	38!
117	paramTypeData.actualType = paramTypeData.actualType ?? targetParam?.type;	38!
118	if (!targetParam \|\| !myParam) {	38✔
119	data.expectedParamCount = this.params.filter(p => !p.isOptional).length;	20✔
120	data.actualParamCount = targetType.params.filter(p => !p.isOptional).length;	16✔
121	}
122	data.parameterMismatches.push({ index: i, data: paramTypeData });	38✔
123	data.expectedType = this;	38✔
124	data.actualType = targetType;	38✔
125	return false;	38✔
126	}
127	if ((!allowOptionalParamDifferences && myParam.isOptional !== targetParam.isOptional) \|\|	20,142✔
128	(!myParam.isOptional && targetParam.isOptional)) {
129	data = data ?? {};	2!
130	data.parameterMismatches = data.parameterMismatches ?? [];	2!
131	data.parameterMismatches.push({ index: i, expectedOptional: myParam.isOptional, actualOptional: targetParam.isOptional, data: paramTypeData });	2✔
132	data.expectedType = this;	2✔
133	data.actualType = targetType;	2✔
134	return false;	2✔
135	}
136	}
137	//compare return type
138	const returnTypeData: TypeCompatibilityData = {};	20,891✔
139	if (!this.returnType \|\| !targetType.returnType \|\| !predicate(this.returnType, targetType.returnType, data)) {	20,891✔
140	data = data ?? {};	75!
141	returnTypeData.expectedType = returnTypeData.expectedType ?? this.returnType;	75!
142	returnTypeData.actualType = returnTypeData.actualType ?? targetType.returnType;	75!
143	data.returnTypeMismatch = returnTypeData;	75✔
144	data.expectedType = this;	75✔
145	data.actualType = targetType;	75✔
146	return false;	75✔
147	}
148	//compare Variadic
149	if (this.isVariadic !== targetType.isVariadic) {	20,816✔
150	data = data ?? {};	1!
151	data.expectedVariadic = this.isVariadic;	1✔
152	data.actualVariadic = targetType.isVariadic;	1✔
153	data.expectedType = this;	1✔
154	data.actualType = targetType;	1✔
155	return false;	1✔
156	}
157	//made it here, all params and return type pass predicate
158	return true;	20,815✔
159	}
160	}
161
162	BuiltInInterfaceAdder.typedFunctionFactory = (returnType: BscType) => {	1✔
163	return new TypedFunctionType(returnType);	1,113✔
164	};

rokucommunity / brighterscript / #14321

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