auto-generate library stubs that abort for missing library functions, and implement DEAD_FUNCTIONS that way

1 files changed, 4 insertions, 20 deletions

diff --git a/src/jsifier.js b/src/jsifier.js
index 30a06d76..f08be1c9 100644
--- a/src/jsifier.js
+++ b/src/jsifier.js
@@ -484,17 +484,11 @@ function JSify(data, functionsOnly, givenFunctions) {
       if (BUILD_AS_SHARED_LIB) {
         // Shared libraries reuse the runtime of their parents.
         item.JS = '';
-      } else if (LibraryManager.library.hasOwnProperty(shortident)) {
-        item.JS = addFromLibrary(shortident);
-      } else if (!LibraryManager.library.hasOwnProperty(shortident + '__inline')) {
-        if (!(item.ident in DEAD_FUNCTIONS)) {
-          item.JS = 'var ' + item.ident + '; // stub for ' + item.ident;
-          if (ASM_JS) {
-            error('Unresolved symbol: ' + item.ident + ', this must be corrected for asm.js validation to succeed. Consider adding it to DEAD_FUNCTIONS.');
-          } else if (WARN_ON_UNDEFINED_SYMBOLS) {
-            warn('Unresolved symbol: ' + item.ident);
-          }
+      } else {
+        if (!LibraryManager.library.hasOwnProperty(shortident)) {
+          LibraryManager.library[shortident] = new Function("Module['printErr']('missing library function: " + shortident + "'); abort(-1);");
         }
+        item.JS = addFromLibrary(shortident);
       }
       return ret;
     }
@@ -1439,16 +1433,6 @@ function JSify(data, functionsOnly, givenFunctions) {
       returnType = getReturnType(type);
     }
 
-    if (callIdent in DEAD_FUNCTIONS) {
-      var ret = 'abort(' + DEAD_FUNCTIONS[callIdent] + ')';
-      if (ASM_JS) ret = asmCoercion(ret, returnType);
-      if (ASSERTIONS) {
-        assert(DEFAULT_LIBRARY_FUNCS_TO_INCLUDE.indexOf('putchar') >= 0, 'need putchar for DEAD_FUNCTIONS + ASSERTIONS output');
-        ret = '(' + makePrintChars('dead:' + callIdent, ',') + ',' + ret + ')';
-      }
-      return ret;
-    }
-
     if (byPointer) {
       var sig = Functions.getSignature(returnType, argsTypes, hasVarArgs);
       if (ASM_JS) {