зеркало из https://github.com/mozilla/pjs.git
bug 302439: Spandep fu doesn't skip unused JSOP_TABLESWITCH jump table entries. Patch by brendan (except for the whitespace cleanup by me), r=shaver a=brendan
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Родитель
e8fcfb5c63
Коммит
2ca84fb604
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@ -577,7 +577,7 @@ BuildSpanDepTable(JSContext *cx, JSCodeGenerator *cg)
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pc2 += JUMP_OFFSET_LEN;
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for (i = low; i <= high; i++) {
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off = GET_JUMP_OFFSET(pc2);
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if (!AddSpanDep(cx, cg, pc, pc2, off))
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if (off != 0 && !AddSpanDep(cx, cg, pc, pc2, off))
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return JS_FALSE;
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pc2 += JUMP_OFFSET_LEN;
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}
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@ -4712,10 +4712,10 @@ js_EmitTree(JSContext *cx, JSCodeGenerator *cg, JSParseNode *pn)
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switch (pn->pn_head->pn_type) {
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case TOK_XMLETAGO:
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JS_ASSERT(0);
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/* FALL THROUGH */
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case TOK_XMLPTAGC:
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case TOK_XMLSTAGO:
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break;
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default:
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if (js_Emit1(cx, cg, JSOP_STARTXML) < 0)
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return JS_FALSE;
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@ -4723,8 +4723,9 @@ js_EmitTree(JSContext *cx, JSCodeGenerator *cg, JSParseNode *pn)
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for (pn2 = pn->pn_head; pn2; pn2 = pn2->pn_next) {
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if (pn2->pn_type == TOK_LC &&
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js_Emit1(cx, cg, JSOP_STARTXMLEXPR) < 0)
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js_Emit1(cx, cg, JSOP_STARTXMLEXPR) < 0) {
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return JS_FALSE;
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}
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if (!js_EmitTree(cx, cg, pn2))
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return JS_FALSE;
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if (pn2 != pn->pn_head && js_Emit1(cx, cg, JSOP_ADD) < 0)
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@ -4785,7 +4786,7 @@ js_EmitTree(JSContext *cx, JSCodeGenerator *cg, JSParseNode *pn)
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for (pn2 = pn2->pn_next, i = 0; pn2; pn2 = pn2->pn_next, i++) {
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if (pn2->pn_type == TOK_LC &&
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js_Emit1(cx, cg, JSOP_STARTXMLEXPR) < 0) {
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return JS_FALSE;
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return JS_FALSE;
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}
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if (!js_EmitTree(cx, cg, pn2))
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return JS_FALSE;
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