discard block comments delimited with /* */

test/asm/block-comment-contents-error.asm

@@ -0,0 +1,2 @@
+/* block comments containing /* throw warnings */
+PRINTT "reachable\n"

test/asm/block-comment-contents-error.err

@@ -0,0 +1,2 @@
+warning: block-comment-contents-error.asm(1): [-Wnested-comment]
+    /* in block comment

test/asm/block-comment-contents-error.out

@@ -0,0 +1 @@
+reachable

test/asm/block-comment-termination-error.asm

@@ -0,0 +1 @@
+PRINTT /* block comments must terminate before EOF

test/asm/block-comment-termination-error.err

@@ -0,0 +1,5 @@
+ERROR: block-comment-termination-error.asm(1):
+    Unterminated block comment
+ERROR: block-comment-termination-error.asm(1):
+    syntax error
+error: Assembly aborted (2 errors)!

test/asm/block-comment.asm

@@ -0,0 +1,5 @@
+PRINTT /* block comments are ignored // ** */ "hi\n"
+PRINTT "block (/* ... */) comments at ends of line are fine\n" /* hi */
+PRINTT /* block comments
+can span multiple lines
+*/ "mutliline\n"

test/asm/block-comment.out

@@ -0,0 +1,3 @@
+hi
+block (/* ... */) comments at ends of line are fine
+mutliline

test/asm/weird-comments.asm

@@ -0,0 +1,2 @@
+PRINTT /* // PRINTT "this is **comm //ented out\n" */ "this is not commented out\n"
+PRINTT /*//*/ "this is not commented out\n"

test/asm/weird-comments.err

@@ -0,0 +1,2 @@
+warning: weird-comments.asm(2): [-Wnested-comment]
+    /* in block comment

test/asm/weird-comments.out

@@ -0,0 +1,2 @@
+this is not commented out
+this is not commented out