PP: Rationalize return values of MacroExpand.

This results in better error recovery, including fewer crashes on badly formed PP input.
2018-07-02 13:47:31 -06:00
parent 9cc81de096
commit 802c62bca4
8 changed files with 78 additions and 32 deletions
--- a/Test/baseResults/cppBad2.vert.out
+++ b/Test/baseResults/cppBad2.vert.out
@@ -1,7 +1,6 @@
 cppBad2.vert
 ERROR: 0:3: 'macro expansion' : End of input in macro b
-ERROR: 0:3: '' : compilation terminated 
-ERROR: 2 compilation errors.  No code generated.
+ERROR: 1 compilation errors.  No code generated.


 Shader version: 100
--- a/Test/baseResults/preprocessor.bad_arg.vert.err
+++ b/Test/baseResults/preprocessor.bad_arg.vert.err
@@ -0,0 +1,4 @@
+ERROR: 0:8: 'macro expansion' : End of input in macro EXP2
+ERROR: 1 compilation errors.  No code generated.
+
+
--- a/Test/baseResults/preprocessor.bad_arg.vert.out
+++ b/Test/baseResults/preprocessor.bad_arg.vert.out