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refactor: Add AST nodes of infix operations #741

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merged 4 commits into from
Aug 3, 2024
Merged

refactor: Add AST nodes of infix operations #741

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b445abe
Add AST nodes of infix operations
marihachi Aug 1, 2024
5ee7d4c
Merge branch 'master' into work/infix-ops
marihachi Aug 2, 2024
b117daa
get infix operations from the scope
marihachi Aug 2, 2024
e3b7e95
revert
marihachi Aug 3, 2024
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110 changes: 109 additions & 1 deletion etc/aiscript.api.md
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,14 @@

// Warning: (ae-forgotten-export) The symbol "NodeBase" needs to be exported by the entry point index.d.ts
//
// @public (undocumented)
type Add = NodeBase & {
type: 'add';
left: Expression;
right: Expression;
operatorLoc: Loc;
};

// @public (undocumented)
type AddAssign = NodeBase & {
type: 'addAssign';
Expand Down Expand Up @@ -138,6 +146,18 @@ declare namespace Ast {
Assign,
Expression,
Not,
Pow,
Mul,
Div,
Rem,
Add,
Sub,
Lt,
Lteq,
Gt,
Gteq,
Eq,
Neq,
And,
Or,
If,
Expand Down Expand Up @@ -226,6 +246,14 @@ type Definition = NodeBase & {
attr: Attribute[];
};

// @public (undocumented)
type Div = NodeBase & {
type: 'div';
left: Expression;
right: Expression;
operatorLoc: Loc;
};

// @public (undocumented)
type Each = NodeBase & {
type: 'each';
Expand All @@ -234,6 +262,14 @@ type Each = NodeBase & {
for: Statement | Expression;
};

// @public (undocumented)
type Eq = NodeBase & {
type: 'eq';
left: Expression;
right: Expression;
operatorLoc: Loc;
};

// @public (undocumented)
function eq(a: Value, b: Value): boolean;

Expand Down Expand Up @@ -264,7 +300,7 @@ type Exists = NodeBase & {
function expectAny(val: Value | null | undefined): asserts val is Value;

// @public (undocumented)
type Expression = If | Fn | Match | Block | Exists | Tmpl | Str | Num | Bool | Null | Obj | Arr | Not | And | Or | Identifier | Call | Index | Prop;
type Expression = If | Fn | Match | Block | Exists | Tmpl | Str | Num | Bool | Null | Obj | Arr | Not | Pow | Mul | Div | Rem | Add | Sub | Lt | Lteq | Gt | Gteq | Eq | Neq | And | Or | Identifier | Call | Index | Prop;

// @public (undocumented)
const FALSE: {
Expand Down Expand Up @@ -311,6 +347,22 @@ type For = NodeBase & {
// @public (undocumented)
function getLangVersion(input: string): string | null;

// @public (undocumented)
type Gt = NodeBase & {
type: 'gt';
left: Expression;
right: Expression;
operatorLoc: Loc;
};

// @public (undocumented)
type Gteq = NodeBase & {
type: 'gteq';
left: Expression;
right: Expression;
operatorLoc: Loc;
};

// @public (undocumented)
type Identifier = NodeBase & {
type: 'identifier';
Expand Down Expand Up @@ -403,6 +455,22 @@ type Loop = NodeBase & {
statements: (Statement | Expression)[];
};

// @public (undocumented)
type Lt = NodeBase & {
type: 'lt';
left: Expression;
right: Expression;
operatorLoc: Loc;
};

// @public (undocumented)
type Lteq = NodeBase & {
type: 'lteq';
left: Expression;
right: Expression;
operatorLoc: Loc;
};

// @public (undocumented)
type Match = NodeBase & {
type: 'match';
Expand All @@ -421,6 +489,14 @@ type Meta = NodeBase & {
value: Expression;
};

// @public (undocumented)
type Mul = NodeBase & {
type: 'mul';
left: Expression;
right: Expression;
operatorLoc: Loc;
};

// @public (undocumented)
type NamedTypeSource = NodeBase & {
type: 'namedTypeSource';
Expand All @@ -435,6 +511,14 @@ type Namespace = NodeBase & {
members: (Definition | Namespace)[];
};

// @public (undocumented)
type Neq = NodeBase & {
type: 'neq';
left: Expression;
right: Expression;
operatorLoc: Loc;
};

// @public (undocumented)
type Node_2 = Namespace | Meta | Statement | Expression | TypeSource | Attribute;

Expand Down Expand Up @@ -510,13 +594,29 @@ type Pos = {
column: number;
};

// @public (undocumented)
type Pow = NodeBase & {
type: 'pow';
left: Expression;
right: Expression;
operatorLoc: Loc;
};

// @public (undocumented)
type Prop = NodeBase & {
type: 'prop';
target: Expression;
name: string;
};

// @public (undocumented)
type Rem = NodeBase & {
type: 'rem';
left: Expression;
right: Expression;
operatorLoc: Loc;
};

// @public (undocumented)
function reprValue(value: Value, literalLike?: boolean, processedObjects?: Set<object>): string;

Expand Down Expand Up @@ -566,6 +666,14 @@ type Str = NodeBase & {
value: string;
};

// @public (undocumented)
type Sub = NodeBase & {
type: 'sub';
left: Expression;
right: Expression;
operatorLoc: Loc;
};

// @public (undocumented)
type SubAssign = NodeBase & {
type: 'subAssign';
Expand Down
96 changes: 96 additions & 0 deletions src/interpreter/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@
in?(q: string): Promise<string>;
out?(value: Value): void;
err?(e: AiScriptError): void;
log?(type: string, params: Record<string, any>): void;

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Unexpected any. Specify a different type
maxStep?: number;
abortOnError?: boolean;
} = {},
Expand Down Expand Up @@ -105,10 +105,10 @@
}

@autobind
public static collectMetadata(script?: Ast.Node[]): Map<any, any> | undefined {

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Unexpected any. Specify a different type

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Unexpected any. Specify a different type
if (script == null || script.length === 0) return;

function nodeToJs(node: Ast.Node): any {

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Unexpected any. Specify a different type
switch (node.type) {
case 'arr': return node.value.map(item => nodeToJs(item));
case 'bool': return node.value;
Expand Down Expand Up @@ -279,7 +279,7 @@
if (cond.value) {
return this._eval(node.then, scope);
} else {
if (node.elseif && node.elseif.length > 0) {

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Unnecessary conditional, value is always truthy
for (const elseif of node.elseif) {
const cond = await this._eval(elseif.cond, scope);
assertBoolean(cond);
Expand Down Expand Up @@ -313,7 +313,7 @@

case 'loop': {
// eslint-disable-next-line no-constant-condition
while (true) {

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Unnecessary conditional, value is always truthy
const v = await this._run(node.statements, scope.createChildScope());
if (v.type === 'break') {
break;
Expand Down Expand Up @@ -546,6 +546,102 @@
return NULL; // nop
}

case 'pow': {
const callee = scope.get('Core:pow');
assertFunction(callee);
const left = await this._eval(node.left, scope);
const right = await this._eval(node.right, scope);
return this._fn(callee, [left, right]);
}

case 'mul': {
const callee = scope.get('Core:mul');
assertFunction(callee);
const left = await this._eval(node.left, scope);
const right = await this._eval(node.right, scope);
return this._fn(callee, [left, right]);
}

case 'div': {
const callee = scope.get('Core:div');
assertFunction(callee);
const left = await this._eval(node.left, scope);
const right = await this._eval(node.right, scope);
return this._fn(callee, [left, right]);
}

case 'rem': {
const callee = scope.get('Core:mod');
assertFunction(callee);
const left = await this._eval(node.left, scope);
const right = await this._eval(node.right, scope);
return this._fn(callee, [left, right]);
}

case 'add': {
const callee = scope.get('Core:add');
assertFunction(callee);
const left = await this._eval(node.left, scope);
const right = await this._eval(node.right, scope);
return this._fn(callee, [left, right]);
}

case 'sub': {
const callee = scope.get('Core:sub');
assertFunction(callee);
const left = await this._eval(node.left, scope);
const right = await this._eval(node.right, scope);
return this._fn(callee, [left, right]);
}

case 'lt': {
const callee = scope.get('Core:lt');
assertFunction(callee);
const left = await this._eval(node.left, scope);
const right = await this._eval(node.right, scope);
return this._fn(callee, [left, right]);
}

case 'lteq': {
const callee = scope.get('Core:lteq');
assertFunction(callee);
const left = await this._eval(node.left, scope);
const right = await this._eval(node.right, scope);
return this._fn(callee, [left, right]);
}

case 'gt': {
const callee = scope.get('Core:gt');
assertFunction(callee);
const left = await this._eval(node.left, scope);
const right = await this._eval(node.right, scope);
return this._fn(callee, [left, right]);
}

case 'gteq': {
const callee = scope.get('Core:gteq');
assertFunction(callee);
const left = await this._eval(node.left, scope);
const right = await this._eval(node.right, scope);
return this._fn(callee, [left, right]);
}

case 'eq': {
const callee = scope.get('Core:eq');
assertFunction(callee);
const left = await this._eval(node.left, scope);
const right = await this._eval(node.right, scope);
return this._fn(callee, [left, right]);
}

case 'neq': {
const callee = scope.get('Core:neq');
assertFunction(callee);
const left = await this._eval(node.left, scope);
const right = await this._eval(node.right, scope);
return this._fn(callee, [left, right]);
}

case 'and': {
const leftValue = await this._eval(node.left, scope);
assertBoolean(leftValue);
Expand Down Expand Up @@ -650,12 +746,12 @@
} else if (dest.type === 'arr') {
assertArray(value);
await Promise.all(dest.value.map(
(item, index) => this.assign(scope, item, value.value[index] ?? NULL)

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Missing trailing comma
));
} else if (dest.type === 'obj') {
assertObject(value);
await Promise.all([...dest.value].map(
([key, item]) => this.assign(scope, item, value.value.get(key) ?? NULL)

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));
} else {
throw new AiScriptRuntimeError('The left-hand side of an assignment expression must be a variable or a property/index access.');
Expand Down
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