Remove obsolete contrib directory (#1926)

contrib/binaryen.diff

@@ -1,193 +0,0 @@
-diff --git a/src/s2wasm.h b/src/s2wasm.h
-index 0fc0201c..c56a3a8c 100644
---- a/src/s2wasm.h
-+++ b/src/s2wasm.h
-@@ -153,9 +153,16 @@ class S2WasmBuilder {
- 
-   Name getStr() {
-     std::string str; // TODO: optimize this and the other get* methods
--    while (*s && !isspace(*s)) {
--      str += *s;
--      s++;
-+    if (*s == '\"') {
-+      str += *s++;
-+      while (*s && *s != '\"') {
-+        str += *s++;
-+      }
-+      if (*s == '\"') str += *s++;
-+    } else {
-+      while (*s && !isspace(*s)) {
-+        str += *s++;
-+      }
-     }
-     return cashew::IString(str.c_str(), false);
-   }
-@@ -168,6 +175,11 @@ class S2WasmBuilder {
- 
-   Name getStrToSep() {
-     std::string str;
-+    if (*s == '\"') {
-+      str += *s++;
-+      while (*s && *s != '\"') str += *s++;
-+      if (*s == '\"') str += *s++;
-+    }
-     while (*s && !isspace(*s) && *s != ',' && *s != '(' && *s != ')' && *s != ':' && *s != '+' && *s != '-' && *s != '=') {
-       str += *s;
-       s++;
-@@ -177,10 +189,15 @@ class S2WasmBuilder {
- 
-   Name getStrToColon() {
-     std::string str;
--    while (*s && !isspace(*s) && *s != ':') {
--      str += *s;
--      s++;
-+    if (*s == '\"') {
-+      str += *s++;
-+      while (*s && *s != '\"') {
-+        str += *s++;
-+      }
-+      if (*s == '\"') str += *s++;
-     }
-+    while (*s && !isspace(*s) && *s != ':')
-+      str += *s++;
-     return cashew::IString(str.c_str(), false);
-   }
- 
-@@ -330,9 +347,18 @@ class S2WasmBuilder {
-   Name getSeparated(char separator) {
-     skipWhitespace();
-     std::string str;
--    while (*s && *s != separator && *s != '\n') {
--      str += *s;
--      s++;
-+    bool inQuoted = false;
-+    int inBrackets = 0;
-+    while (*s && (*s != separator || inQuoted || inBrackets > 0) && *s != '\n') {
-+      if (*s == '\"') {
-+        inQuoted = !inQuoted;
-+      } else if (*s == '(') {
-+        inBrackets++;
-+      } else if (*s == ')') {
-+        inBrackets--;
-+      }
-+
-+      str += *s++;
-     }
-     skipWhitespace();
-     return cashew::IString(str.c_str(), false);
-@@ -421,14 +447,32 @@ class S2WasmBuilder {
-   bool isFunctionName(Name name) {
-     return !!strstr(name.str, "@FUNCTION");
-   }
--  // Drop the @ and after it.
--  Name cleanFunction(Name name) {
--    if (!strchr(name.str, '@')) return name;
-+
-+  Name cleanName(Name name, char terminator = 0) {
-     char *temp = strdup(name.str);
--    *strchr(temp, '@') = 0;
-+    static const char* bads  = "\";<>() ";
-+    static const char* goods = "\'$__$$$";
-+    int index = 0;
-+    while (bads[index] != 0) {
-+        char *pos = temp;
-+        while ((pos = strchr(pos, bads[index])) != nullptr) {
-+          *pos = goods[index];
-+          pos++;
-+        }
-+        index++;
-+    }
-+    if (terminator != 0) {
-+      char* pos = strrchr(temp, terminator);
-+      if (pos != nullptr) *pos = '\0';
-+    }
-     Name ret = cashew::IString(temp, false);
-     free(temp);
-     return ret;
-+   }
-+
-+  // Drop the @ and after it.
-+  Name cleanFunction(Name name) {
-+    return cleanName(name, '@');
-   }
- 
-   // processors
-@@ -446,7 +490,7 @@ class S2WasmBuilder {
-         if (match(".hidden")) mustMatch(name.str);
-         mustMatch(name.str);
-         if (match(":")) {
--          info->implementedFunctions.insert(name);
-+          info->implementedFunctions.insert(cleanName(name));
-         } else if (match("=")) {
-           Name alias = getAtSeparated();
-           mustMatch("@FUNCTION");
-@@ -461,7 +505,7 @@ class S2WasmBuilder {
-         s = strchr(s, '\n');
-       } else {
-         // add data aliases
--        Name lhs = getStrToSep();
-+        Name lhs = cleanName(getStrToSep());
-         // When the current line contains only one word, e.g.".text"
-         if (match("\n"))
-           continue;
-@@ -473,7 +517,7 @@ class S2WasmBuilder {
-         }
- 
-         // get the original name
--        Name rhs = getStrToSep();
-+        Name rhs = cleanName(getStrToSep());
-         assert(!isFunctionName(rhs));
-         Offset offset = 0;
-         if (*s == '+') {
-@@ -620,7 +664,7 @@ class S2WasmBuilder {
-   }
- 
-   void parseGlobl() {
--    linkerObj->addGlobal(getStr());
-+    linkerObj->addGlobal(cleanName(getStr()));
-     skipWhitespace();
-   }
- 
-@@ -753,7 +797,7 @@ class S2WasmBuilder {
-         skipWhitespace();
-       } else break;
-     }
--    Function* func = builder.makeFunction(name, std::move(params), resultType, std::move(vars));
-+    Function* func = builder.makeFunction(cleanName(name), std::move(params), resultType, std::move(vars));
- 
-     // parse body
-     func->body = allocator->alloc<Block>();
-@@ -1343,6 +1387,11 @@ class S2WasmBuilder {
-       mustMatch(name.str);
-       skipWhitespace();
-     }
-+    if (match(".weak")) {
-+      // Do nothing special on weak symbols so far.
-+      mustMatch(name.str);
-+      skipWhitespace();
-+    }
-     if (match(".align") || match(".p2align")) {
-       align = getInt();
-       skipWhitespace();
-@@ -1436,9 +1485,10 @@ class S2WasmBuilder {
-       r->data = (uint32_t*)&raw[i];
-     }
-     // assign the address, add to memory
--    linkerObj->addStatic(size, align, name);
-+    Name wasmName = cleanName(name);
-+    linkerObj->addStatic(size, align, wasmName);
-     if (!zero) {
--      linkerObj->addSegment(name, raw);
-+      linkerObj->addSegment(wasmName, raw);
-     }
-   }
- 
-@@ -1451,7 +1501,7 @@ class S2WasmBuilder {
-       skipComma();
-       localAlign = 1 << getInt();
-     }
--    linkerObj->addStatic(size, std::max(align, localAlign), name);
-+    linkerObj->addStatic(size, std::max(align, localAlign), cleanName(name));
-   }
- 
-   void skipImports() {