Austin Clements d3888fe8a3 Implement single-valued, non-variadic function literals and ... function calling. Implement a type compiler and named types. Implement a universal scope containing built-in named types, and some built-in constants. Implement a simple virtual machine for executing statements and single-valued return. Fix many places that incorrectly dealt with named types. In particular, the Type.Zero methods now use the type's bit count to determine the appropriate value representation. As a result, a bit count of 0 now means architecture-dependent and bounded types use unsafe.Sizeof to determine the correct bounds. Previously, the bounds on a 32-bit machine would have been wrong. Eliminated Type.compatible, since the implementation is equivalent for all types. Added Type.rep that shallowly strips named types. Replaced almost all uses of Type.literal with Type.rep. Fix implementation of assign-op's so it only evaluates the left side once. As part of this, there is now a generic way to separate out the effect and value of an expression. R=rsc APPROVED=rsc DELTA=1530 (1244 added, 68 deleted, 218 changed) OCL=32184 CL=32230		2009-07-27 13:01:23 -07:00
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eval	Implement single-valued, non-variadic function literals and	2009-07-27 13:01:23 -07:00
ptrace	Fix handling of non-waitable zombie threads. Now they are not	2009-07-16 09:48:37 -07:00