From 51783510b9b972fab52d429ff3311b0fe8402e42 Mon Sep 17 00:00:00 2001
From: Matthew McAllister <matthew.mcallister.0@gmail.com>
Date: Thu, 14 Feb 2019 15:54:37 -0800
Subject: Deduplicate compile log statement warnings

---
 src/all_types.hpp |  1 +
 src/ir.cpp        | 10 +++++++---
 src/parser.cpp    |  2 ++
 3 files changed, 10 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/all_types.hpp b/src/all_types.hpp
index 6fbd987b9e..f57c3124da 100644
--- a/src/all_types.hpp
+++ b/src/all_types.hpp
@@ -648,6 +648,7 @@ struct AstNodeFnCallExpr {
     ZigList<AstNode *> params;
     bool is_builtin;
     bool is_async;
+    bool seen; // used by @compileLog
     AstNode *async_allocator;
 };
 
diff --git a/src/ir.cpp b/src/ir.cpp
index 0fcbb60fe8..063be4e952 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -17194,9 +17194,13 @@ static IrInstruction *ir_analyze_instruction_compile_log(IrAnalyze *ira, IrInstr
     }
     fprintf(stderr, "\n");
 
-    // Here we bypass higher level functions such as ir_add_error because we do not want
-    // invalidate_exec to be called.
-    add_node_error(ira->codegen, instruction->base.source_node, buf_sprintf("found compile log statement"));
+    auto *expr = &instruction->base.source_node->data.fn_call_expr;
+    if (!expr->seen) {
+        // Here we bypass higher level functions such as ir_add_error because we do not want
+        // invalidate_exec to be called.
+        add_node_error(ira->codegen, instruction->base.source_node, buf_sprintf("found compile log statement"));
+    }
+    expr->seen = true;
 
     return ir_const_void(ira, &instruction->base);
 }
diff --git a/src/parser.cpp b/src/parser.cpp
index 3a6ce04647..6fe78c14c3 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -2739,6 +2739,7 @@ static AstNode *ast_parse_async_prefix(ParseContext *pc) {
 
     AstNode *res = ast_create_node(pc, NodeTypeFnCallExpr, async);
     res->data.fn_call_expr.is_async = true;
+    res->data.fn_call_expr.seen = false;
     if (eat_token_if(pc, TokenIdCmpLessThan) != nullptr) {
         AstNode *prefix_expr = ast_expect(pc, ast_parse_prefix_expr);
         expect_token(pc, TokenIdCmpGreaterThan);
@@ -2759,6 +2760,7 @@ static AstNode *ast_parse_fn_call_argumnets(ParseContext *pc) {
 
     AstNode *res = ast_create_node(pc, NodeTypeFnCallExpr, paren);
     res->data.fn_call_expr.params = params;
+    res->data.fn_call_expr.seen = false;
     return res;
 }
 
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