From 697017e6fae8c252638abc298ec1556de2e41314 Mon Sep 17 00:00:00 2001
From: jsmall-nvidia <jsmall@nvidia.com>
Date: Sat, 24 Apr 2021 02:15:32 -0400
Subject: Fix lexer/preproc diagnose issue (#1806)

* #include an absolute path didn't work - because paths were taken to always be relative.

* Pass LexerFlags to all lexing functionality that may output a diagnostic.

* Add test for lexing disabling issue.

* Improve tests.

Co-authored-by: Yong He <yonghe@outlook.com>
---
 tests/bugs/preproc-lex-failure-2.slang          | 12 ++++++++++++
 tests/bugs/preproc-lex-failure-2.slang.expected | 12 ++++++++++++
 tests/bugs/preproc-lex-failure.slang            | 12 ++++++++++++
 tests/bugs/preproc-lex-failure.slang.expected   |  6 ++++++
 4 files changed, 42 insertions(+)
 create mode 100644 tests/bugs/preproc-lex-failure-2.slang
 create mode 100644 tests/bugs/preproc-lex-failure-2.slang.expected
 create mode 100644 tests/bugs/preproc-lex-failure.slang
 create mode 100644 tests/bugs/preproc-lex-failure.slang.expected

(limited to 'tests')

diff --git a/tests/bugs/preproc-lex-failure-2.slang b/tests/bugs/preproc-lex-failure-2.slang
new file mode 100644
index 000000000..a3caf1634
--- /dev/null
+++ b/tests/bugs/preproc-lex-failure-2.slang
@@ -0,0 +1,12 @@
+//DIAGNOSTIC_TEST:SIMPLE:-E
+
+// Test that diagnostics appear for invalid tokens.
+
+#if 1
+// Octal warning
+000
+/// Unclosed string literal
+"Hello!
+#else
+Hello
+#endif
diff --git a/tests/bugs/preproc-lex-failure-2.slang.expected b/tests/bugs/preproc-lex-failure-2.slang.expected
new file mode 100644
index 000000000..8365e74e8
--- /dev/null
+++ b/tests/bugs/preproc-lex-failure-2.slang.expected
@@ -0,0 +1,12 @@
+result code = 0
+standard error = {
+tests/bugs/preproc-lex-failure-2.slang(4): warning 10002: '0' prefix indicates octal literal
+000
+^~~
+tests/bugs/preproc-lex-failure-2.slang(5): error 10005: newline in literal
+
+^
+}
+standard output = {
+000 "Hello! 
+}
diff --git a/tests/bugs/preproc-lex-failure.slang b/tests/bugs/preproc-lex-failure.slang
new file mode 100644
index 000000000..42c807ae2
--- /dev/null
+++ b/tests/bugs/preproc-lex-failure.slang
@@ -0,0 +1,12 @@
+//DIAGNOSTIC_TEST:SIMPLE:-E
+
+#if 0
+// Octal warning
+000
+/// Unclosed string literal
+"Hello!
+/// A non 7 bit ascii code
+Š
+#else
+Hello
+#endif
\ No newline at end of file
diff --git a/tests/bugs/preproc-lex-failure.slang.expected b/tests/bugs/preproc-lex-failure.slang.expected
new file mode 100644
index 000000000..e4505eb4f
--- /dev/null
+++ b/tests/bugs/preproc-lex-failure.slang.expected
@@ -0,0 +1,6 @@
+result code = 0
+standard error = {
+}
+standard output = {
+Hello 
+}
-- 
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