swift234

Get serialized diagnostics breathing.

Still validating, then will add tests.

$ cat test.swift
This is invalid code.

$ swift -serialize-diagnostics test.dia test.swift
test.swift:1:1: error: expected expression
This is invalid code.
^
test.swift:1:21: error: postfix '.' is reserved
This is invalid code.
                    ^
test.swift:1:22: warning: missing newline at end of file
This is invalid code.
                     ^

$ llvm-bcanalyzer -dump test.dia
<BLOCKINFO_BLOCK/>
<Meta NumWords=2 BlockCodeSize=3>
  <Version abbrevid=4 op0=1/>
</Meta>
<Diag NumWords=18 BlockCodeSize=4>
  <FileName abbrevid=8 op0=1 op1=0 op2=0 op3=10/> blob data = 'test.swift'
  <DiagInfo abbrevid=4 op0=3 op1=1 op2=1 op3=1 op4=0 op5=0 op6=0 op7=19/> blob data = 'expected expression'
</Diag>
<Diag NumWords=19 BlockCodeSize=4>
  <FileName abbrevid=8 op0=2 op1=0 op2=0 op3=10/> blob data = 'test.swift'
  <DiagInfo abbrevid=4 op0=3 op1=2 op2=1 op3=21 op4=0 op5=0 op6=0 op7=23/> blob data = 'postfix '.' is reserved'
</Diag>
<Diag NumWords=21 BlockCodeSize=4>
  <FileName abbrevid=8 op0=3 op1=0 op2=0 op3=10/> blob data = 'test.swift'
  <DiagInfo abbrevid=4 op0=2 op1=3 op2=1 op3=22 op4=0 op5=0 op6=0 op7=30/> blob data = 'missing newline at end of file'
</Diag>


Summary of test.dia:
         Total size: 3808b/476.00B/119W
        Stream type: unknown
  # Toplevel Blocks: 5
...

$ c-index-test -read-diagnostics test.dia
test.swift:1:1: error: expected expression [] []
Number FIXITs = 0
test.swift:1:21: error: postfix '.' is reserved [] []
Number FIXITs = 0
test.swift:1:22: warning: missing newline at end of file [] []
Number FIXITs = 0
Number of diagnostics: 3

Swift SVN r5515