translate-c: small miscellaneous improvements

translate-c: improve switch translation

translate-c: Add test for using correct block label for StmtExpr

translate-c: support scoped typedef, enum and record decls

translate-c: demote untranslatable declarations to externs

translate-c: elide some unecessary casts of literals

translate-c: get all translate-c tests passing

translate-c: get all run-translated-c tests passing

translate-c: render records and enums

translate-c: render array stuff

translate-c: render control flow

translate-c: render macro functions, use cast type as return type

translate-c: render functions

translate-c: render binops and break/continue

translate-c: render unary ops

translate-c: render variables and builtin calls

translate-c: render a bunch of simple nodes and calls

translate-c: begin implementing ast.render

translate-c: bunch of small fixes to get it compiling

translate-c: convert macro translation

translate-c: convert assignment and conditional exprs

translate-c: convert field/array access, call, pre/postcrement

translate-c: convert switch

translate-c: convert most control flow

translate-c: convert casts and string/array init

translate-c: convert record and enum decls

translate-c: convert vardecl and typedef

translate-c: convert function translation

translate-c: unary operator, integers and misc

translate-c: more binaryoperator chagnes, blocks and unary type expressions

translate-c: convert transBinaryOperator

translate-c: make Node more like Type

translate-c: translate C types to stage2 types

translate-c: start creating intermediate AST

astgen: update more expression types to new mem layout

zig fmt: fix inferred error union return types

astgen: update a handful of expression types to new mem layout

zig fmt: implement multiline string literals

zig fmt: remove empty lines at start/end of block

stage2: more progress towards Module/astgen building with new mem layout

zig fmt: add failing test case for inline/callconv conversion

Merge remote-tracking branch 'origin/master' into ast-memory-layout

stage2: start reworking Module/astgen for memory layout changes

snake_case render.Space

snake_case Node.Tag

snake_case Token.Tag

zig fmt: implement line comments

zig fmt: fix Tree.lastToken() for empty *Two nodes

zig fmt: implement Tree.lastToken() for all nodes

zig fmt: fix 0 element struct and array init

zig fmt: implement Tree.lastToken() for struct init

zig fmt: implement Tree.lastToken() for array init

zig fmt: implement Tree.lastToken() for array types

zig fmt: fix render of pointers with ** tokens

zig fmt: support bodyless function decls

zig fmt: fix typo in firstToken() for pointer types

zig fmt: re-enable now-passing test cases

zig fmt: fix regression with many container members

zig fmt: remove dead code

zig fmt: anytype, fn calls with one param, trailing commas

zig fmt: grouped expressions

zig fmt: suspend blocks

zig fmt: usingnamespace

zig fmt: for loops

zig fmt: while loops

zig fmt: fn protos and anytype

zig fmt: asm expressions

zig fmt: implement switches

zig fmt: fix block lbrace indent

zig fmt: implement break

std/zig/ast: fix Tree.lastToken() for blocks

zig fmt: split Slice and SliceSentinel

zig fmt: implement error set decls

zig fmt: implement catch and return

zig fmt: implement slices

zig fmt: implement pointer types

zig fmt: builtin call with trailing comma

zig fmt: trailing comma in fn parameter list

zig fmt: implement container decls

std.MultiArrayList: use `@memset` builtin for undefined

zig fmt: array types

zig fmt: struct and anon array initialization

zig fmt: float literal with exponent

std.MultiArrayList: implement review comments

zig fmt: implement struct init

zig fmt: implement fn protos and defers

zig fmt: deref, unwrap optional

zig fmt: builtin calls and array access

zig fmt: implement top-level fields

zig fmt: implement if, call, field access, assignment

zig fmt: implement simple test with doc comments

zig fmt: implement "line comment followed by top-level comptime"

zig fmt: start reworking with new memory layout

stage2: tokenizer does not emit line comments anymore

stage2: rework AST memory layout

std.GeneralPurposeAllocator: logging improvements

add std.MultiArrayList

Add MAX_RW_COUNT limit to std.os.pread()

Fix f128 NaN check on big-endian hosts

render: fix bug when rendering struct initializer with length 1