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Bug 1296814 - Specify an explicit offset when warning about "use asm" found in the directive prologue of a script (rather than a function body). r=anba
--HG-- extra : rebase_source : 40239791b101a8a53f924d71944e412a0b5dbb31
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@ -842,7 +842,7 @@ class FullParseHandler
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MOZ_MUST_USE ParseNode* setLikelyIIFE(ParseNode* pn) {
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MOZ_MUST_USE ParseNode* setLikelyIIFE(ParseNode* pn) {
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return parenthesize(pn);
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return parenthesize(pn);
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}
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}
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void setPrologue(ParseNode* pn) {
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void setInDirectivePrologue(ParseNode* pn) {
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pn->pn_prologue = true;
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pn->pn_prologue = true;
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}
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}
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@ -3757,10 +3757,10 @@ Parser<FullParseHandler>::asmJS(Node list)
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*/
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*/
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template <typename ParseHandler>
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template <typename ParseHandler>
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bool
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bool
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Parser<ParseHandler>::maybeParseDirective(Node list, Node pn, bool* cont)
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Parser<ParseHandler>::maybeParseDirective(Node list, Node possibleDirective, bool* cont)
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{
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{
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TokenPos directivePos;
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TokenPos directivePos;
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JSAtom* directive = handler.isStringExprStatement(pn, &directivePos);
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JSAtom* directive = handler.isStringExprStatement(possibleDirective, &directivePos);
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*cont = !!directive;
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*cont = !!directive;
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if (!*cont)
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if (!*cont)
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@ -3777,7 +3777,7 @@ Parser<ParseHandler>::maybeParseDirective(Node list, Node pn, bool* cont)
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// directive in the future. We don't want to interfere with people
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// directive in the future. We don't want to interfere with people
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// taking advantage of directive-prologue-enabled features that appear
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// taking advantage of directive-prologue-enabled features that appear
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// in other browsers first.
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// in other browsers first.
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handler.setPrologue(pn);
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handler.setInDirectivePrologue(possibleDirective);
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if (directive == context->names().useStrict) {
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if (directive == context->names().useStrict) {
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// Functions with non-simple parameter lists (destructuring,
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// Functions with non-simple parameter lists (destructuring,
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@ -3813,7 +3813,8 @@ Parser<ParseHandler>::maybeParseDirective(Node list, Node pn, bool* cont)
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} else if (directive == context->names().useAsm) {
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} else if (directive == context->names().useAsm) {
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if (pc->isFunctionBox())
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if (pc->isFunctionBox())
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return asmJS(list);
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return asmJS(list);
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return reportWithNode(ParseWarning, false, pn, JSMSG_USE_ASM_DIRECTIVE_FAIL);
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return reportWithOffset(ParseWarning, false, directivePos.begin,
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JSMSG_USE_ASM_DIRECTIVE_FAIL);
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}
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}
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}
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}
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return true;
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return true;
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@ -521,7 +521,7 @@ class SyntaxParseHandler
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MOZ_MUST_USE Node setLikelyIIFE(Node pn) {
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MOZ_MUST_USE Node setLikelyIIFE(Node pn) {
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return pn; // Remain in syntax-parse mode.
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return pn; // Remain in syntax-parse mode.
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}
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}
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void setPrologue(Node pn) {}
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void setInDirectivePrologue(Node pn) {}
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bool isConstant(Node pn) { return false; }
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bool isConstant(Node pn) { return false; }
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