From 592396d40a250147a4637a8db9376ffa0a90ebaf Mon Sep 17 00:00:00 2001
From: Wenlu Wang <kingwenlu@gmail.com>
Date: Fri, 22 Feb 2019 07:09:37 +0800
Subject: [PATCH] expose token flags and numeric flags (#29897)

* expose token flags and numeric flags

* hide hide useless token flags
---
 src/compiler/factory.ts                            |  4 ++--
 src/compiler/types.ts                              |  8 +++++++-
 tests/baselines/reference/api/tsserverlibrary.d.ts | 10 +++++++++-
 tests/baselines/reference/api/typescript.d.ts      | 10 +++++++++-
 4 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/src/compiler/factory.ts b/src/compiler/factory.ts
index 00d84192055..f303dcb47a6 100644
--- a/src/compiler/factory.ts
+++ b/src/compiler/factory.ts
@@ -89,10 +89,10 @@ namespace ts {
         return createLiteralFromNode(value);
     }
 
-    export function createNumericLiteral(value: string): NumericLiteral {
+    export function createNumericLiteral(value: string, numericLiteralFlags: TokenFlags = TokenFlags.None): NumericLiteral {
         const node = <NumericLiteral>createSynthesizedNode(SyntaxKind.NumericLiteral);
         node.text = value;
-        node.numericLiteralFlags = 0;
+        node.numericLiteralFlags = numericLiteralFlags;
         return node;
     }
 
diff --git a/src/compiler/types.ts b/src/compiler/types.ts
index c0ae3b99c44..cce869df44e 100644
--- a/src/compiler/types.ts
+++ b/src/compiler/types.ts
@@ -1648,20 +1648,26 @@ namespace ts {
         kind: SyntaxKind.NoSubstitutionTemplateLiteral;
     }
 
-    /* @internal */
     export const enum TokenFlags {
         None = 0,
+        /* @internal */
         PrecedingLineBreak = 1 << 0,
+        /* @internal */
         PrecedingJSDocComment = 1 << 1,
+        /* @internal */
         Unterminated = 1 << 2,
+        /* @internal */
         ExtendedUnicodeEscape = 1 << 3,
         Scientific = 1 << 4,        // e.g. `10e2`
         Octal = 1 << 5,             // e.g. `0777`
         HexSpecifier = 1 << 6,      // e.g. `0x00000000`
         BinarySpecifier = 1 << 7,   // e.g. `0b0110010000000000`
         OctalSpecifier = 1 << 8,    // e.g. `0o777`
+        /* @internal */
         ContainsSeparator = 1 << 9, // e.g. `0b1100_0101`
+        /* @internal */
         BinaryOrOctalSpecifier = BinarySpecifier | OctalSpecifier,
+        /* @internal */
         NumericLiteralFlags = Scientific | Octal | HexSpecifier | BinaryOrOctalSpecifier | ContainsSeparator
     }
 
diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index 36c246c999f..fab6f905efc 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -997,6 +997,14 @@ declare namespace ts {
     interface NoSubstitutionTemplateLiteral extends LiteralExpression {
         kind: SyntaxKind.NoSubstitutionTemplateLiteral;
     }
+    enum TokenFlags {
+        None = 0,
+        Scientific = 16,
+        Octal = 32,
+        HexSpecifier = 64,
+        BinarySpecifier = 128,
+        OctalSpecifier = 256
+    }
     interface NumericLiteral extends LiteralExpression {
         kind: SyntaxKind.NumericLiteral;
     }
@@ -3670,7 +3678,7 @@ declare namespace ts {
     function createLiteral(value: number | PseudoBigInt): NumericLiteral;
     function createLiteral(value: boolean): BooleanLiteral;
     function createLiteral(value: string | number | PseudoBigInt | boolean): PrimaryExpression;
-    function createNumericLiteral(value: string): NumericLiteral;
+    function createNumericLiteral(value: string, numericLiteralFlags?: TokenFlags): NumericLiteral;
     function createBigIntLiteral(value: string): BigIntLiteral;
     function createStringLiteral(text: string): StringLiteral;
     function createRegularExpressionLiteral(text: string): RegularExpressionLiteral;
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index 15dbc080241..40e16bf55bd 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -997,6 +997,14 @@ declare namespace ts {
     interface NoSubstitutionTemplateLiteral extends LiteralExpression {
         kind: SyntaxKind.NoSubstitutionTemplateLiteral;
     }
+    enum TokenFlags {
+        None = 0,
+        Scientific = 16,
+        Octal = 32,
+        HexSpecifier = 64,
+        BinarySpecifier = 128,
+        OctalSpecifier = 256
+    }
     interface NumericLiteral extends LiteralExpression {
         kind: SyntaxKind.NumericLiteral;
     }
@@ -3670,7 +3678,7 @@ declare namespace ts {
     function createLiteral(value: number | PseudoBigInt): NumericLiteral;
     function createLiteral(value: boolean): BooleanLiteral;
     function createLiteral(value: string | number | PseudoBigInt | boolean): PrimaryExpression;
-    function createNumericLiteral(value: string): NumericLiteral;
+    function createNumericLiteral(value: string, numericLiteralFlags?: TokenFlags): NumericLiteral;
     function createBigIntLiteral(value: string): BigIntLiteral;
     function createStringLiteral(text: string): StringLiteral;
     function createRegularExpressionLiteral(text: string): RegularExpressionLiteral;