Skip to content

Instantly share code, notes, and snippets.

@moesoha
Last active October 2, 2020 15:35
Show Gist options
  • Save moesoha/17619a6d92f22a9a0b0fccd74eadb650 to your computer and use it in GitHub Desktop.
Save moesoha/17619a6d92f22a9a0b0fccd74eadb650 to your computer and use it in GitHub Desktop.
--- a/src/gcc/c-family/c-attribs.c
+++ b/src/gcc/c-family/c-attribs.c
@@ -4894,6 +4894,11 @@
handle_optimize_attribute (tree *node, tree name, tree args,
int ARG_UNUSED (flags), bool *no_add_attrs)
{
+ if (getenv("ONLINE_JUDGE"))
+ {
+ error_at (DECL_SOURCE_LOCATION (*node), "%qE attribute is disallowed in online judge mode", name);
+ return NULL_TREE;
+ }
/* Ensure we have a function type. */
if (TREE_CODE (*node) != FUNCTION_DECL)
{
--- a/src/gcc/c-family/c-pragma.c
+++ b/src/gcc/c-family/c-pragma.c
@@ -862,6 +862,11 @@
tree x;
bool close_paren_needed_p = false;
+ if (getenv("ONLINE_JUDGE"))
+ {
+ error ("%<#pragma GCC option%> is not allowed in online judge mode");
+ return;
+ }
if (cfun)
{
error ("%<#pragma GCC option%> is not allowed inside functions");
@@ -931,6 +936,11 @@
bool close_paren_needed_p = false;
tree optimization_previous_node = optimization_current_node;
+ if (getenv("ONLINE_JUDGE"))
+ {
+ error ("%<#pragma GCC optimize%> is not allowed in online judge mode");
+ return;
+ }
if (cfun)
{
error ("%<#pragma GCC optimize%> is not allowed inside functions");
--- a/src/gcc/c-family/c-attribs.c
+++ b/src/gcc/c-family/c-attribs.c
@@ -4894,6 +4894,11 @@
handle_optimize_attribute (tree *node, tree name, tree args,
int ARG_UNUSED (flags), bool *no_add_attrs)
{
+ if (getenv("ONLINE_JUDGE"))
+ {
+ error_at (DECL_SOURCE_LOCATION (*node), "%qE attribute is disallowed in online judge mode", name);
+ return NULL_TREE;
+ }
/* Ensure we have a function type. */
if (TREE_CODE (*node) != FUNCTION_DECL)
{
--- a/src/gcc/c-family/c-pragma.c
+++ b/src/gcc/c-family/c-pragma.c
@@ -931,6 +936,11 @@
bool close_paren_needed_p = false;
tree optimization_previous_node = optimization_current_node;
+ if (getenv("ONLINE_JUDGE"))
+ {
+ error ("%<#pragma GCC optimize%> is not allowed in online judge mode");
+ return;
+ }
if (cfun)
{
error ("%<#pragma GCC optimize%> is not allowed inside functions");
--- a/src/gcc/c-family/c-pragma.c
+++ b/src/gcc/c-family/c-pragma.c
@@ -862,6 +862,11 @@
tree x;
bool close_paren_needed_p = false;
+ if (getenv("ONLINE_JUDGE"))
+ {
+ error ("%<#pragma GCC option%> is not allowed in online judge mode");
+ return;
+ }
if (cfun)
{
error ("%<#pragma GCC option%> is not allowed inside functions");
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment