From 714b0881974965e8fcfbc57b452ef648290d14a1 Mon Sep 17 00:00:00 2001
From: jsmall-nvidia <jsmall@nvidia.com>
Date: Fri, 21 Jun 2019 17:39:32 -0400
Subject: Parsing CPP Compiler output (#994)

* Added extractLine line parsing to StringUtil. Use for matching lines instead of calcLines. calcLines uses extractLine to extract lines.
Fixed problems found in output of some tests- due to how a how final line is handled. Now a final line has a \r or \n\r combination, but nothing else after it, it is considered the last line (not the line after it).

* Use StringUtil::extractLine in slang-generate.

* Improved comment on extractLine

* Remove test code from StringUtil::extractLine

* Made StringUtil::extractLine act as if line terminators are 'separators'.
Added unit-test-string.cpp - to check behavior.

* Adding LineParser - not entirely necessary, but slightly easier to use.

* Hack to output start of tests.

* WIP parsing CPPCompiler output.

* Make extractLine return a bool.

* First attempt at Visual Studio output parsing.

* Add handling for checking error returning from CPPCompiler.

* First pass parsing output of Gcc/Clang.

* Split out VisualStudioCompilerUtil and GCCCompilerUtil.
Simplified parsing of versions.

* Simplify CPPCompiler::Output interface.

* Fix problem with cpp-compiler on linux targets.

* Add shared library link error.

* Improving GCC/Clang parsing output.

* Make cpp compiler parsing function able to return a SlangResult.

* Handling for 'info' on clang

* Add expected result for c-compile-shared-library-error.c

* * Add flags such that link errors on shared libraries are supported.
* Added StringUtil::join

* Turn off the link shared library unfound symbol option on MacOS because it causes an error (and it's not needed on that target).

* Add natvis inclusion back to visual studio projects.

* Display message to try and determine crash problem on travisbuild.

* Fix bug in handling continuations for clang.
Disabled output of exception text.

* WIP: See what clang is outputting that is parsing incorrectly on travis.

* More handling for travis clang parsing issue.

* Restore natvis to core.vcxproj

* Fix visual studio project such that it still as natvis.
---
 source/core/slang-string.h | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

(limited to 'source/core/slang-string.h')

diff --git a/source/core/slang-string.h b/source/core/slang-string.h
index 560d137db..cb2731cee 100644
--- a/source/core/slang-string.h
+++ b/source/core/slang-string.h
@@ -98,10 +98,22 @@ namespace Slang
             return Index(m_end - m_begin);
         }
 
-        int indexOf(char c) const
+        Index indexOf(char c) const
         {
-            const int size = int(m_end - m_begin);
-            for (int i = 0; i < size; ++i)
+            const Index size = int(m_end - m_begin);
+            for (Index i = 0; i < size; ++i)
+            {
+                if (m_begin[i] == c)
+                {
+                    return i;
+                }
+            }
+            return -1;
+        }
+        Index lastIndexOf(char c) const
+        {
+            const Index size = Index(m_end - m_begin);
+            for (Index i = size - 1; i >= 0; --i)
             {
                 if (m_begin[i] == c)
                 {
@@ -156,6 +168,9 @@ namespace Slang
         bool endsWith(UnownedStringSlice const& other) const;
         bool endsWith(char const* str) const;
 
+
+        UnownedStringSlice trim() const;
+
         int GetHashCode() const
         {
             return Slang::GetHashCode(m_begin, size_t(m_end - m_begin)); 
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