Add entry points for parsing statements and expressions.
Add entry points for parsing statements and expressions.

R=gri
APPROVED=gri
DELTA=73  (48 added, 0 deleted, 25 changed)
OCL=31302
CL=31308

h8liu/golang,nightlyone/golang,ssrl/go,nightlyone/golang,tv42/old-go,tv42/old-go,apparentlymart/golang,nightlyone/golang,bdwalton/debian-golang,bdwalton/debian-golang,bdwalton/debian-golang,apparentlymart/golang,bdwalton/debian-golang,gnanderson/go,dsriram/golang,pombredanne/go-deleteme,dsriram/golang,gnanderson/go,dsriram/golang,gnanderson/go,dsriram/golang,pombredanne/go-deleteme,nightlyone/golang,ssrl/go,ssrl/go,h8liu/golang,tv42/old-go,dsriram/golang,apparentlymart/golang,bdwalton/debian-golang,pombredanne/go-deleteme,tv42/old-go,ssrl/go,pombredanne/go-deleteme,apparentlymart/golang,dsriram/golang,tianon/debian-golang,bdwalton/debian-golang,h8liu/golang,apparentlymart/golang,tianon/debian-golang,h8liu/golang,apparentlymart/golang,tv42/old-go,tv42/old-go,tianon/debian-golang,tianon/debian-golang,ssrl/go,tianon/debian-golang,ssrl/go,pombredanne/go-deleteme,h8liu/golang,tv42/old-go,tianon/debian-golang,nightlyone/golang,gnanderson/go,bdwalton/debian-golang,nightlyone/golang,bdwalton/debian-golang,tianon/debian-golang,h8liu/golang,pombredanne/go-deleteme,gnanderson/go,apparentlymart/golang,ssrl/go,gnanderson/go,gnanderson/go,dsriram/golang,h8liu/golang,nightlyone/golang,pombredanne/go-deleteme,tianon/debian-golang