[Strings] Add string.const (#4768)

This is more work than a typical instruction because it also adds a new section:
all the (string.const "foo") strings are put in a new "strings" section in the binary, and
the instructions refer to them by index.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/passes/Print.cpp b/src/passes/Print.cpp
index 70e32e5d7..e766917ec 100644
--- a/src/passes/Print.cpp
+++ b/src/passes/Print.cpp
@@ -2237,6 +2237,11 @@ struct PrintExpressionContents
         WASM_UNREACHABLE("invalid string.new*");
     }
   }
+  void visitStringConst(StringConst* curr) {
+    printMedium(o, "string.const \"");
+    o << curr->string.str;
+    o << '"';
+  }
 };
 
 // Prints an expression in s-expr format, including both the