- 22 Mar, 2016 1 commit
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adamk authored
Now that ES2015 const has shipped, in Chrome 49, legacy const declarations are no more. This lets us remove a bunch of code from many parts of the codebase. In this patch, I remove parser support for generating legacy const variables from const declarations. This also removes the special "illegal declaration" bit from Scope, which has ripples into all compiler backends. Also gone are any tests which relied on legacy const declarations. Note that we do still generate a Variable in mode CONST_LEGACY in one case: function name bindings in sloppy mode. The likely fix there is to add a new Variable::Kind for this case and handle it appropriately for stores in each backend, but I leave that for a later patch to make this one completely subtractive. Review URL: https://codereview.chromium.org/1819123002 Cr-Commit-Position: refs/heads/master@{#35002}
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- 11 Jan, 2016 1 commit
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littledan authored
This patch moves the semantics of 'const' in sloppy mode to match those in strict mode, that is, const makes lexical (let-like) bindings, must have an initializer, and does not create properties of the global object. R=adamk LOG=Y BUG=v8:3305 CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel Review URL: https://codereview.chromium.org/1571873004 Cr-Commit-Position: refs/heads/master@{#33218}
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- 29 Jun, 2015 1 commit
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oth authored
BUG=chromium:505228 LOG=Y Review URL: https://codereview.chromium.org/1219723002 Cr-Commit-Position: refs/heads/master@{#29355}
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- 20 Apr, 2012 1 commit
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rossberg@chromium.org authored
R=mstarzinger@chromium.org BUG= TEST= Review URL: https://chromiumcodereview.appspot.com/10163003 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11402 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 16 Apr, 2012 1 commit
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rossberg@chromium.org authored
I also discovered that our treatment of const declarations is inconsistent when inside a global eval under 'with' (i.e., when created by DeclareContextSlots). That is, var x; eval("const x = 9") and var x; eval("with({}) const x = 9") differ (the former assigns 9, the latter throws). This appears to be an oversight from earlier changes to our const semantics (the latter shouldn't throw either). Fixing this is a separate issue, though (and one that doesn't seem quite worthwhile). R=mstarzinger@chromium.org BUG=v8:1991,80591 TEST= Review URL: https://chromiumcodereview.appspot.com/10067010 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11333 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 09 Sep, 2008 1 commit
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christian.plesner.hansen@gmail.com authored
Added presubmit step to check copyright. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@242 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 22 Aug, 2008 1 commit
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christian.plesner.hansen authored
In the shell sample don't print the result of executing a script, only evaluating expressions. Fixed issue when building samples on Windows using a shared V8 library. Added visibility option on Linux build which makes the generated library 18% smaller. Changed build system to accept multiple build modes in one build and generate seperate objects, libraries and executables for each mode. Removed deferred negation optimization (a * -b => -(a * b)) since this visibly changes operand conversion order. Improved parsing performance by introducing stack guard in preparsing. Without a stack guard preparsing always bails out with stack overflow. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 30 Jul, 2008 1 commit
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kasper.lund authored
Added a few samples and support for building them. The samples include a simple shell that can be used to benchmark and test V8. Changed V8::GetVersion to return the version as a string. Added source for lazily loaded scripts to snapshots and made serialization non-destructive. Improved ARM support by fixing the write barrier code to use aligned loads and stores and by removing premature locals optimization that relied on broken support for callee-saved registers (removed). Refactored the code for marking live objects during garbage collection and the code for allocating objects in paged spaces. Introduced an abstraction for the map word of a heap-allocated object and changed the memory allocator to allocate executable memory only for spaces that may contain code objects. Moved StringBuilder to utils.h and ScopedLock to platform.h, where they can be used by debugging and logging modules. Added thread-safe message queues for dealing with debugger events. Fixed the source code reported by toString for certain builtin empty functions and made sure that the prototype property of a function is enumerable. Improved performance of converting values to condition flags in generated code. Merged disassembler-{arch} files. git-svn-id: http://v8.googlecode.com/svn/trunk@8 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 03 Jul, 2008 1 commit
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christian.plesner.hansen authored
git-svn-id: http://v8.googlecode.com/svn/trunk@2 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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