zig

commit fd575fe1f3b45806f2cf823a2abe3727d381d4ed (tree)
parent 84195467ad974f9b7201e4e1bbd6dccbd5e7ab90
Author: Andrew Kelley <superjoe30@gmail.com>
Date:   Wed, 25 Jul 2018 18:15:55 -0400

add compile error for missing parameter name of generic function

Diffstat:
M
src/ir.cpp
 | 
1
+
M
test/compile_errors.zig
 | 
11
+++++++++++

2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/src/ir.cpp b/src/ir.cpp
@@ -12591,6 +12591,7 @@ static bool ir_analyze_fn_call_generic_arg(IrAnalyze *ira, AstNode *fn_proto_nod
     }
 
     Buf *param_name = param_decl_node->data.param_decl.name;
+    if (!param_name) return false;
     if (!is_var_args) {
         VariableTableEntry *var = add_variable(ira->codegen, param_decl_node,
             *child_scope, param_name, true, arg_val, nullptr);
diff --git a/test/compile_errors.zig b/test/compile_errors.zig
@@ -2,6 +2,17 @@ const tests = @import("tests.zig");
 
 pub fn addCases(cases: *tests.CompileErrorContext) void {
     cases.add(
+        "missing parameter name of generic function",
+        \\fn dump(var) void {}
+        \\export fn entry() void {
+        \\    var a: u8 = 9;
+        \\    dump(a);
+        \\}
+    ,
+        ".tmp_source.zig:1:9: error: missing parameter name",
+    );
+
+    cases.add(
         "non-inline for loop on a type that requires comptime",
         \\const Foo = struct {
         \\    name: []const u8,