From 8a4aeb6f58649af6e0a6d1df30b133510cbb2187 Mon Sep 17 00:00:00 2001
From: Gaming4JC <g4jc@hyperbola.info>
Date: Sun, 9 Jun 2019 22:44:25 -0400
Subject: 1342273 - Improve frontend tracelogging. [PARTIAL] Only implemented
 const to rvalue changes, no tracelogging

---
 js/src/frontend/BytecodeEmitter.cpp | 32 +++++++++++++++++---------------
 js/src/frontend/BytecodeEmitter.h   |  2 +-
 2 files changed, 18 insertions(+), 16 deletions(-)

(limited to 'js/src')

diff --git a/js/src/frontend/BytecodeEmitter.cpp b/js/src/frontend/BytecodeEmitter.cpp
index 7b8b41727..c15d67b7c 100644
--- a/js/src/frontend/BytecodeEmitter.cpp
+++ b/js/src/frontend/BytecodeEmitter.cpp
@@ -3539,9 +3539,10 @@ BytecodeEmitter::needsImplicitThis()
 bool
 BytecodeEmitter::maybeSetDisplayURL()
 {
-    if (tokenStream()->hasDisplayURL()) {
-        if (!parser->ss->setDisplayURL(cx, tokenStream()->displayURL()))
+    if (tokenStream().hasDisplayURL()) {
+        if (!parser->ss->setDisplayURL(cx, tokenStream().displayURL())) {
             return false;
+        }
     }
     return true;
 }
@@ -3549,10 +3550,11 @@ BytecodeEmitter::maybeSetDisplayURL()
 bool
 BytecodeEmitter::maybeSetSourceMap()
 {
-    if (tokenStream()->hasSourceMapURL()) {
+    if (tokenStream().hasSourceMapURL()) {
         MOZ_ASSERT(!parser->ss->hasSourceMapURL());
-        if (!parser->ss->setSourceMapURL(cx, tokenStream()->sourceMapURL()))
+        if (!parser->ss->setSourceMapURL(cx, tokenStream().sourceMapURL())) {
             return false;
+        }
     }
 
     /*
@@ -3591,21 +3593,21 @@ BytecodeEmitter::tellDebuggerAboutCompiledScript(ExclusiveContext* cx)
     }
 }
 
-inline TokenStream*
+inline TokenStream&
 BytecodeEmitter::tokenStream()
 {
-    return &parser->tokenStream;
+    return parser->tokenStream;
 }
 
 bool
 BytecodeEmitter::reportError(ParseNode* pn, unsigned errorNumber, ...)
 {
-    TokenPos pos = pn ? pn->pn_pos : tokenStream()->currentToken().pos;
+    TokenPos pos = pn ? pn->pn_pos : tokenStream().currentToken().pos;
 
     va_list args;
     va_start(args, errorNumber);
-    bool result = tokenStream()->reportCompileErrorNumberVA(nullptr, pos.begin, JSREPORT_ERROR,
-                                                            errorNumber, args);
+    bool result = tokenStream().reportCompileErrorNumberVA(nullptr, pos.begin, JSREPORT_ERROR,
+                                                           errorNumber, args);
     va_end(args);
     return result;
 }
@@ -3613,12 +3615,12 @@ BytecodeEmitter::reportError(ParseNode* pn, unsigned errorNumber, ...)
 bool
 BytecodeEmitter::reportExtraWarning(ParseNode* pn, unsigned errorNumber, ...)
 {
-    TokenPos pos = pn ? pn->pn_pos : tokenStream()->currentToken().pos;
+    TokenPos pos = pn ? pn->pn_pos : tokenStream().currentToken().pos;
 
     va_list args;
     va_start(args, errorNumber);
-    bool result = tokenStream()->reportExtraWarningErrorNumberVA(nullptr, pos.begin,
-                                                                 errorNumber, args);
+    bool result = tokenStream().reportExtraWarningErrorNumberVA(nullptr, pos.begin,
+                                                                errorNumber, args);
     va_end(args);
     return result;
 }
@@ -3626,12 +3628,12 @@ BytecodeEmitter::reportExtraWarning(ParseNode* pn, unsigned errorNumber, ...)
 bool
 BytecodeEmitter::reportStrictModeError(ParseNode* pn, unsigned errorNumber, ...)
 {
-    TokenPos pos = pn ? pn->pn_pos : tokenStream()->currentToken().pos;
+    TokenPos pos = pn ? pn->pn_pos : tokenStream().currentToken().pos;
 
     va_list args;
     va_start(args, errorNumber);
-    bool result = tokenStream()->reportStrictModeErrorNumberVA(nullptr, pos.begin, sc->strict(),
-                                                               errorNumber, args);
+    bool result = tokenStream().reportStrictModeErrorNumberVA(nullptr, pos.begin, sc->strict(),
+                                                              errorNumber, args);
     va_end(args);
     return result;
 }
diff --git a/js/src/frontend/BytecodeEmitter.h b/js/src/frontend/BytecodeEmitter.h
index 29050c846..4e5209593 100644
--- a/js/src/frontend/BytecodeEmitter.h
+++ b/js/src/frontend/BytecodeEmitter.h
@@ -356,7 +356,7 @@ struct MOZ_STACK_CLASS BytecodeEmitter
     MOZ_MUST_USE bool maybeSetSourceMap();
     void tellDebuggerAboutCompiledScript(ExclusiveContext* cx);
 
-    inline TokenStream* tokenStream();
+    inline TokenStream& tokenStream();
 
     BytecodeVector& code() const { return current->code; }
     jsbytecode* code(ptrdiff_t offset) const { return current->code.begin() + offset; }
-- 
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