feat(es/parser): Make error message helpful

crates/swc/tests/tsc-references/FunctionDeclaration3_es6.1.normal.js

@@ -7,8 +7,7 @@
 //!  2 | }
 //!    `----
 //! 
-//!   x Unexpected token `yield`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | function f(yield = yield) {
 //!    :                    ^^^^^

crates/swc/tests/tsc-references/FunctionDeclaration3_es6.2.minified.js

@@ -7,8 +7,7 @@
 //!  2 | }
 //!    `----
 //! 
-//!   x Unexpected token `yield`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | function f(yield = yield) {
 //!    :                    ^^^^^

crates/swc/tests/tsc-references/FunctionDeclaration8_es6.1.normal.js

@@ -1,7 +1,6 @@
 //// [FunctionDeclaration8_es6.ts]
 //! 
-//!   x Unexpected token `yield`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,----
 //!  1 | var v = { [yield]: foo }
 //!    :            ^^^^^

crates/swc/tests/tsc-references/FunctionDeclaration8_es6.2.minified.js

@@ -1,7 +1,6 @@
 //// [FunctionDeclaration8_es6.ts]
 //! 
-//!   x Unexpected token `yield`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,----
 //!  1 | var v = { [yield]: foo }
 //!    :            ^^^^^

crates/swc/tests/tsc-references/YieldExpression1_es6.1.normal.js

@@ -1,7 +1,6 @@
 //// [YieldExpression1_es6.ts]
 //! 
-//!   x Unexpected token `yield`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,----
 //!  1 | yield;
 //!    : ^^^^^

crates/swc/tests/tsc-references/YieldExpression1_es6.2.minified.js

@@ -1,7 +1,6 @@
 //// [YieldExpression1_es6.ts]
 //! 
-//!   x Unexpected token `yield`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,----
 //!  1 | yield;
 //!    : ^^^^^

crates/swc/tests/tsc-references/YieldExpression8_es6.1.normal.js

@@ -1,7 +1,6 @@
 //// [YieldExpression8_es6.ts]
 //! 
-//!   x Unexpected token `yield`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | yield(foo);
 //!    : ^^^^^

crates/swc/tests/tsc-references/YieldExpression8_es6.2.minified.js

@@ -1,7 +1,6 @@
 //// [YieldExpression8_es6.ts]
 //! 
-//!   x Unexpected token `yield`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | yield(foo);
 //!    : ^^^^^

crates/swc/tests/tsc-references/YieldStarExpression1_es6.1.normal.js

@@ -1,7 +1,6 @@
 //// [YieldStarExpression1_es6.ts]
 //! 
-//!   x Unexpected token `yield`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,----
 //!  1 | yield * [];
 //!    : ^^^^^

crates/swc/tests/tsc-references/YieldStarExpression1_es6.2.minified.js

@@ -1,7 +1,6 @@
 //// [YieldStarExpression1_es6.ts]
 //! 
-//!   x Unexpected token `yield`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,----
 //!  1 | yield * [];
 //!    : ^^^^^

crates/swc/tests/tsc-references/asiPreventsParsingAsInterface01.1.normal.js

@@ -10,8 +10,7 @@
 //!  5 | I           // This should be the identifier 'I'
 //!    `----
 //! 
-//!   x Unexpected token `interface`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string,
-//!   | regexp, ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | 
 //!  2 | var interface: number, I: string;

crates/swc/tests/tsc-references/asiPreventsParsingAsInterface01.2.minified.js

@@ -10,8 +10,7 @@
 //!  5 | I           // This should be the identifier 'I'
 //!    `----
 //! 
-//!   x Unexpected token `interface`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string,
-//!   | regexp, ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | 
 //!  2 | var interface: number, I: string;

crates/swc/tests/tsc-references/asiPreventsParsingAsInterface02.1.normal.js

@@ -10,8 +10,7 @@
 //!  5 |     {}          // This should be a block body
 //!    `----
 //! 
-//!   x Unexpected token `interface`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string,
-//!   | regexp, ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | 
 //!  2 | function f(interface: number, I: string) {

crates/swc/tests/tsc-references/asiPreventsParsingAsInterface02.2.minified.js

@@ -10,8 +10,7 @@
 //!  5 |     {}          // This should be a block body
 //!    `----
 //! 
-//!   x Unexpected token `interface`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string,
-//!   | regexp, ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | 
 //!  2 | function f(interface: number, I: string) {

crates/swc/tests/tsc-references/asiPreventsParsingAsInterface03.1.normal.js

@@ -10,8 +10,7 @@
 //!  5 |     interface   // This should be the identifier 'interface'
 //!    `----
 //! 
-//!   x Unexpected token `interface`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string,
-//!   | regexp, ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[2:1]
 //!  2 | var interface: number, I: string;
 //!  3 | 

crates/swc/tests/tsc-references/asiPreventsParsingAsInterface03.2.minified.js

@@ -10,8 +10,7 @@
 //!  5 |     interface   // This should be the identifier 'interface'
 //!    `----
 //! 
-//!   x Unexpected token `interface`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string,
-//!   | regexp, ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[2:1]
 //!  2 | var interface: number, I: string;
 //!  3 | 

crates/swc/tests/tsc-references/deleteOperatorInvalidOperations.1.normal.js

@@ -12,8 +12,7 @@
 //!  8 | var BOOLEAN2 = delete ;
 //!    `----
 //! 
-//!   x Unexpected token `;`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[2:1]
 //!  2 | var ANY;
 //!  3 | 
@@ -37,8 +36,7 @@
 //!  8 | var BOOLEAN2 = delete ;
 //!    `----
 //! 
-//!   x Unexpected token `;`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!     ,-[5:1]
 //!   5 | var BOOLEAN1 = ANY delete ;     //expect error
 //!   6 | 

crates/swc/tests/tsc-references/deleteOperatorInvalidOperations.2.minified.js

@@ -12,8 +12,7 @@
 //!  8 | var BOOLEAN2 = delete ;
 //!    `----
 //! 
-//!   x Unexpected token `;`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[2:1]
 //!  2 | var ANY;
 //!  3 | 
@@ -37,8 +36,7 @@
 //!  8 | var BOOLEAN2 = delete ;
 //!    `----
 //! 
-//!   x Unexpected token `;`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!     ,-[5:1]
 //!   5 | var BOOLEAN1 = ANY delete ;     //expect error
 //!   6 | 

crates/swc/tests/tsc-references/generatorTypeCheck32.1.normal.js

@@ -1,7 +1,6 @@
 //// [generatorTypeCheck32.ts]
 //! 
-//!   x Unexpected token `yield`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | var s: string;
 //!  2 | var f: () => number = () => yield s;

crates/swc/tests/tsc-references/generatorTypeCheck32.2.minified.js

@@ -1,7 +1,6 @@
 //// [generatorTypeCheck32.ts]
 //! 
-//!   x Unexpected token `yield`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | var s: string;
 //!  2 | var f: () => number = () => yield s;

crates/swc/tests/tsc-references/generatorTypeCheck39.1.normal.js

@@ -1,7 +1,6 @@
 //// [generatorTypeCheck39.ts]
 //! 
-//!   x Unexpected token `@`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[2:1]
 //!  2 |     return y => { };
 //!  3 | }

crates/swc/tests/tsc-references/generatorTypeCheck39.2.minified.js

@@ -1,7 +1,6 @@
 //// [generatorTypeCheck39.ts]
 //! 
-//!   x Unexpected token `@`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[2:1]
 //!  2 |     return y => { };
 //!  3 | }

crates/swc/tests/tsc-references/generatorTypeCheck61.1.normal.js

@@ -1,7 +1,6 @@
 //// [generatorTypeCheck61.ts]
 //! 
-//!   x Unexpected token `@`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | function * g() {
 //!  2 |     @(yield 0)

crates/swc/tests/tsc-references/generatorTypeCheck61.2.minified.js

@@ -1,7 +1,6 @@
 //// [generatorTypeCheck61.ts]
 //! 
-//!   x Unexpected token `@`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | function * g() {
 //!  2 |     @(yield 0)

crates/swc/tests/tsc-references/logicalNotOperatorInvalidOperations.1.normal.js

@@ -1,7 +1,6 @@
 //// [logicalNotOperatorInvalidOperations.ts]
 //! 
-//!   x Unexpected token `;`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!     ,-[8:1]
 //!   8 | var BOOLEAN2 = !b + b;
 //!   9 | 

crates/swc/tests/tsc-references/logicalNotOperatorInvalidOperations.2.minified.js

@@ -1,7 +1,6 @@
 //// [logicalNotOperatorInvalidOperations.ts]
 //! 
-//!   x Unexpected token `;`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!     ,-[8:1]
 //!   8 | var BOOLEAN2 = !b + b;
 //!   9 | 

crates/swc/tests/tsc-references/parserComputedPropertyName37.1.normal.js

@@ -1,7 +1,6 @@
 //// [parserComputedPropertyName37.ts]
 //! 
-//!   x Unexpected token `public`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | var v = {
 //!  2 |     [public]: 0

crates/swc/tests/tsc-references/parserComputedPropertyName37.2.minified.js

@@ -1,7 +1,6 @@
 //// [parserComputedPropertyName37.ts]
 //! 
-//!   x Unexpected token `public`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | var v = {
 //!  2 |     [public]: 0

crates/swc/tests/tsc-references/parserInterfaceDeclaration3.1.normal.js

@@ -1,7 +1,6 @@
 //// [parserInterfaceDeclaration3.ts]
 //! 
-//!   x Unexpected token `public`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | public interface I {
 //!    : ^^^^^^

crates/swc/tests/tsc-references/parserInterfaceDeclaration3.2.minified.js

@@ -1,7 +1,6 @@
 //// [parserInterfaceDeclaration3.ts]
 //! 
-//!   x Unexpected token `public`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp,
-//!   | ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | public interface I {
 //!    : ^^^^^^

crates/swc/tests/tsc-references/parserStatementIsNotAMemberVariableDeclaration1.1.normal.js

@@ -10,8 +10,7 @@
 //!  6 |         private[key] = value;
 //!    `----
 //! 
-//!   x Unexpected token `private`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string,
-//!   | regexp, ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[3:1]
 //!  3 |   "set": function (key, value) {
 //!  4 | 

crates/swc/tests/tsc-references/parserStatementIsNotAMemberVariableDeclaration1.2.minified.js

@@ -10,8 +10,7 @@
 //!  6 |         private[key] = value;
 //!    `----
 //! 
-//!   x Unexpected token `private`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string,
-//!   | regexp, ` for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[3:1]
 //!  3 |   "set": function (key, value) {
 //!  4 | 

crates/swc/tests/tsc-references/tsxFragmentErrors.1.normal.js

@@ -11,8 +11,7 @@
 //!  12 | <>eof   // Error
 //!     `----
 //! 
-//!   x Unexpected token `>`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!     ,-[9:1]
 //!   9 | 
 //!  10 | <>hi</div> // Error

crates/swc/tests/tsc-references/tsxFragmentErrors.2.minified.js

@@ -11,8 +11,7 @@
 //!  12 | <>eof   // Error
 //!     `----
 //! 
-//!   x Unexpected token `>`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!     ,-[9:1]
 //!   9 | 
 //!  10 | <>hi</div> // Error

crates/swc/tests/tsc-references/typeofOperatorInvalidOperations.1.normal.js

@@ -12,8 +12,7 @@
 //!  7 | var ANY1 = typeof ;
 //!    `----
 //! 
-//!   x Unexpected token `;`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | // Unary operator typeof
 //!  2 | 
@@ -25,8 +24,7 @@
 //!  7 | var ANY1 = typeof ;
 //!    `----
 //! 
-//!   x Unexpected token `;`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[4:1]
 //!  4 | var ANY = ANY typeof ;    //expect error
 //!  5 | 

crates/swc/tests/tsc-references/typeofOperatorInvalidOperations.2.minified.js

@@ -12,8 +12,7 @@
 //!  7 | var ANY1 = typeof ;
 //!    `----
 //! 
-//!   x Unexpected token `;`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | // Unary operator typeof
 //!  2 | 
@@ -25,8 +24,7 @@
 //!  7 | var ANY1 = typeof ;
 //!    `----
 //! 
-//!   x Unexpected token `;`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[4:1]
 //!  4 | var ANY = ANY typeof ;    //expect error
 //!  5 | 

crates/swc/tests/tsc-references/voidOperatorInvalidOperations.1.normal.js

@@ -12,8 +12,7 @@
 //!  7 | var ANY1 = void ;
 //!    `----
 //! 
-//!   x Unexpected token `;`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[1:1]
 //!  1 | // Unary operator void
 //!  2 | 
@@ -25,8 +24,7 @@
 //!  7 | var ANY1 = void ;
 //!    `----
 //! 
-//!   x Unexpected token `;`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, `
-//!   | for template literal, (, or an identifier
+//!   x Expression expected
 //!    ,-[4:1]
 //!  4 | var ANY = ANY void ;    //expect error
 //!  5 |