fix parsing of RecordExpressions

package.json

@@ -10,9 +10,13 @@
   },
   "dependencies": {
     "minimist": "^1.2.8",
+    "nodemon": "^3.1.0",
     "peggy": "^4.0.0",
     "prettier": "^3.2.5",
     "prettier-plugin-pegjs": "^2.0.2",
     "ts-pegjs": "^4.2.1"
+  },
+  "scripts": {
+    "watch-test": "nodemon -e ts,cps --exec 'bun test'"
   }
 }

src/parser/grammar.pegjs

@@ -172,13 +172,13 @@ PrimitiveOperationExpression
 RecordExpressionTuple
   = LPAREN
     _?
-    variable:VarStatement
+    value:Value
     _?
     COMMA
     _?
     offset:OffsetStatement
     _?
-    RPAREN { return { variable, offset }; }
+    RPAREN { return { value, offset }; }
 
 RecordExpressionTupleList
   = LBRACKET
@@ -202,7 +202,7 @@ RecordExpression
     _?
     COMMA
     _?
-    address:Literal
+    address:Identifier
     _?
     COMMA
     _?

src/parser/index.ts

@@ -2,5 +2,6 @@ export * from './generate';
 export * from './parser';
 import * as peggy from './parser';
 
-export const peggyParse = (source: string): peggy.ContinuationExpression[] =>
+export const peggyParse = (source: string): peggy.ContinuationExpression[] => {
-  peggy.parse(source);
+  return peggy.parse(source);
+};

src/parser/parser.ts

@@ -473,8 +473,8 @@ function peg$parse(input, options) {
       };
     };// @ts-ignore
 
-  var peg$f11 = function(variable, offset) {// @ts-ignore
+  var peg$f11 = function(value, offset) {// @ts-ignore
- return { variable, offset }; };// @ts-ignore
+ return { value, offset }; };// @ts-ignore
 
   var peg$f12 = function(records, lastRecord) {
 // @ts-ignore
@@ -2588,7 +2588,7 @@ peg$parseRecordExpressionTuple() {
         s2 = null;
       }
 // @ts-ignore
-      s3 = peg$parseVarStatement();
+      s3 = peg$parseValue();
 // @ts-ignore
       if (s3 !== peg$FAILED) {
 // @ts-ignore
@@ -2879,7 +2879,7 @@ peg$parseRecordExpression() {
               s8 = null;
             }
 // @ts-ignore
-            s9 = peg$parseLiteral();
+            s9 = peg$parseIdentifier();
 // @ts-ignore
             if (s9 !== peg$FAILED) {
 // @ts-ignore
@@ -5372,15 +5372,12 @@ export type PrimitiveOperationExpression = {
     continuations: ContinuationList;
   };
 };
-export type RecordExpressionTuple = {
+export type RecordExpressionTuple = { value: Value; offset: OffsetStatement };
-  variable: VarStatement;
-  offset: OffsetStatement;
-};
 export type RecordExpressionTupleList = any[];
 export type RecordExpression = {
   record: {
     records: RecordExpressionTupleList;
-    address: Literal;
+    address: Identifier;
     body: ContinuationExpression;
   };
 };

test/interpreter.spec.ts

@@ -45,3 +45,10 @@ test('Application of identity function', async () => {
   const result = await evaluate(ast, testingLogger);
   expect(result).toEqual({ type: 'int', value: 3 });
 });
+
+test('Record construction', async () => {
+  const ast = peggyParse(await TestPrograms.RecordConstruction);
+
+  const result = await evaluate(ast, testingLogger);
+  expect(result).toEqual({ type: 'int', value: 3 });
+});

test/programs/index.ts

@@ -19,4 +19,7 @@ export namespace TestPrograms {
   export const Application = Bun.file(
     join(import.meta.dir, 'application.cps'),
   ).text();
+  export const RecordConstruction = Bun.file(
+    join(import.meta.dir, 'record.cps'),
+  ).text();
 }

test/programs/record.cps

@@ -0,0 +1,7 @@
+RECORD([(INT 1, OFFp 0), (INT 2, OFFp 0)], record,
+  SELECT(0, VAR one, record,
+    SELECT(1, VAR two, record,
+      PRIMOP(+, [VAR one, VAR two], [result], [])
+    )
+  )
+)