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Almost finito, just missing adding the *

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This commit is contained in:
Rolf Martin Glomsrud 2024-05-15 21:11:52 +02:00
parent 7f3580f15a
commit be7905fe1b
3 changed files with 16 additions and 22 deletions
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4
dsl_files/do.jstql
View file

@ -2,7 +2,7 @@ proposal DoExpression{
pair arrowFunction{
applicable to {
"let <<ident:Identifier>> = () => {
<<statements: NMinus1Statements >>
<<statements: Statement && !ReturnStatement *>>
return <<returnVal : Expression | Identifier>>;
}
"
@ -18,7 +18,7 @@ proposal DoExpression{
pair immediatelyInvokedUnnamedFunction {
applicable to {
"let <<ident:Identifier>> = function(){
<<statements: NMinus1Statements >>
<<statements: Statement && !ReturnStatement >>
return <<returnVal : Expression | Identifier>>;
}();"
}

2
src/parser/parse.ts
View file

@ -118,7 +118,7 @@ export interface GroupExpr extends WildcardNode {
expr: TypeExpr;
}
class WildcardParser {
export class WildcardParser {
private position = -1;
constructor(private tokens: WildcardToken[]) {}

32
src/parser/preludeBuilder.ts
View file

@ -1,14 +1,15 @@
import { InternalDSLVariable, parse_with_plugins } from "./parse";
import { Wildcard, WildcardParser, parse_with_plugins } from "./parse";
import * as t from "@babel/types";
import { WildcardTokenizer } from "./wildcardTokenizer";
export function preludeBuilder(prelude: string) {
let parsedPrelude = parse_with_plugins(prelude).program.body;
return extractValues(parsedPrelude);
}
function extractValues(types: t.Statement[]): InternalDSLVariable {
let prelude: InternalDSLVariable = {};
function extractValues(types: t.Statement[]): Wildcard[] {
let prelude: Wildcard[] = [];
for (let stmt of types) {
if (stmt.type == "VariableDeclaration") {
stmt = <t.VariableDeclaration>stmt;
@ -16,22 +17,15 @@ function extractValues(types: t.Statement[]): InternalDSLVariable {
let innerDSLVariableName = (declaration.id as t.Identifier).name;
let init = declaration.init;
if (init) {
if (init.type == "ArrayExpression") {
init = <t.ArrayExpression>init;
let temp = [];
for (let elem of init.elements) {
if (elem && elem.type == "Identifier") {
temp.push(elem.name);
} else {
throw new Error(
"Usage of non variable declaration in Prelude Array"
);
}
}
prelude[innerDSLVariableName] = temp;
} else if (init.type === "Identifier") {
init = <t.Identifier>init;
prelude[innerDSLVariableName] = [init.name];
if (init.type == "StringLiteral") {
init = <t.StringLiteral>init;
prelude.push(
new WildcardParser(
new WildcardTokenizer(
innerDSLVariableName + ":" + init
).tokenize()
).parse()
);
} else {
throw new Error(
"Invalid usage of right side declaration in prelude"