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Backed out changeset 7829b67bfb7a (bug 1066827)

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This commit is contained in:
Carsten "Tomcat" Book 2014-10-28 12:23:03 +01:00
parent 5c44ae8eaf
commit f3251f33ba
1 changed files with 10 additions and 29 deletions
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39
js/src/asmjs/AsmJSValidate.cpp
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@ -363,28 +363,25 @@ NextNonEmptyStatement(ParseNode *pn)
return SkipEmptyStatements(pn->pn_next);
}
static bool
PeekToken(AsmJSParser &parser, TokenKind *tkp)
static TokenKind
PeekToken(AsmJSParser &parser)
{
TokenStream &ts = parser.tokenStream;
TokenKind tk;
while (true) {
if (!ts.peekToken(&tk, TokenStream::Operand))
return false;
return TOK_ERROR;
if (tk != TOK_SEMI)
break;
ts.consumeKnownToken(TOK_SEMI);
}
*tkp = tk;
return true;
return tk;
}
static bool
ParseVarOrConstStatement(AsmJSParser &parser, ParseNode **var)
{
TokenKind tk;
if (!PeekToken(parser, &tk))
return false;
TokenKind tk = PeekToken(parser);
if (tk != TOK_VAR && tk != TOK_CONST) {
*var = nullptr;
return true;
@ -7059,13 +7056,7 @@ CheckFunctionsSequential(ModuleCompiler &m)
// function by the LifoAllocScope inside the loop.
LifoAlloc lifo(LIFO_ALLOC_PRIMARY_CHUNK_SIZE);
while (true) {
TokenKind tk;
if (!PeekToken(m.parser(), &tk))
return false;
if (tk != TOK_FUNCTION)
break;
while (PeekToken(m.parser()) == TOK_FUNCTION) {
LifoAllocScope scope(&lifo);
MIRGenerator *mir;
@ -7227,13 +7218,7 @@ CheckFunctionsParallel(ModuleCompiler &m, ParallelGroupState &group)
HelperThreadState().resetAsmJSFailureState();
AsmJSParallelTask *task = nullptr;
for (unsigned i = 0;; i++) {
TokenKind tk;
if (!PeekToken(m.parser(), &tk))
return false;
if (tk != TOK_FUNCTION)
break;
for (unsigned i = 0; PeekToken(m.parser()) == TOK_FUNCTION; i++) {
if (!task && !GetUnusedTask(group, i, &task) && !GetUsedTask(m, group, &task))
return false;
@ -7485,10 +7470,8 @@ CheckModuleExportObject(ModuleCompiler &m, ParseNode *object)
static bool
CheckModuleReturn(ModuleCompiler &m)
{
TokenKind tk;
if (!PeekToken(m.parser(), &tk))
return false;
if (tk != TOK_RETURN) {
if (PeekToken(m.parser()) != TOK_RETURN) {
TokenKind tk = PeekToken(m.parser());
if (tk == TOK_RC || tk == TOK_EOF)
return m.fail(nullptr, "expecting return statement");
return m.fail(nullptr, "invalid asm.js statement");
@ -8600,9 +8583,7 @@ CheckModule(ExclusiveContext *cx, AsmJSParser &parser, ParseNode *stmtList,
if (!CheckModuleReturn(m))
return false;
TokenKind tk;
if (!PeekToken(m.parser(), &tk))
return false;
TokenKind tk = PeekToken(m.parser());
if (tk != TOK_EOF && tk != TOK_RC)
return m.fail(nullptr, "top-level export (return) must be the last statement");