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wsgl parser: Use expect() for call r-parenthesis 

Keeps error message consistent. Reduces code.

Bug: tint:282
Change-Id: Ibbbb98bb6f080dd338af7de415c6e86298d910e3
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/31730
Commit-Queue: Ben Clayton <bclayton@google.com>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
This commit is contained in:
Ben Clayton 2020-11-04 15:48:20 +00:00 committed by Commit Bot service account
parent 67c37197d6
commit 443039a58f
4 changed files with 8 additions and 13 deletions
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11
src/reader/wgsl/parser_impl.cc
View File

@ -2587,11 +2587,8 @@ std::unique_ptr<ast::CallStatement> ParserImpl::func_call_stmt() {
return nullptr;
}
t = next();
if (!t.IsParenRight()) {
add_error(t, "missing ) for call statement");
if (!expect("call statement", Token::Type::kParenRight))
return nullptr;
}
return std::make_unique<ast::CallStatement>(
std::make_unique<ast::CallExpression>(
@ -2763,11 +2760,9 @@ std::unique_ptr<ast::Expression> ParserImpl::postfix_expr(
return nullptr;
}
t = next();
if (!t.IsParenRight()) {
add_error(t, "missing ) for call expression");
if (!expect("call expression", Token::Type::kParenRight))
return nullptr;
}
expr = std::make_unique<ast::CallExpression>(source, std::move(prefix),
std::move(params));
} else if (t.IsPeriod()) {

4
src/reader/wgsl/parser_impl_call_stmt_test.cc
View File

@ -63,7 +63,7 @@ TEST_F(ParserImplTest, Statement_Call_Missing_RightParen) {
auto* p = parser("a(");
auto e = p->statement();
ASSERT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:3: missing ) for call statement");
EXPECT_EQ(p->error(), "1:3: expected ')' for call statement");
}
TEST_F(ParserImplTest, Statement_Call_Missing_Semi) {
@ -77,7 +77,7 @@ TEST_F(ParserImplTest, Statement_Call_Bad_ArgList) {
auto* p = parser("a(b c);");
auto e = p->statement();
ASSERT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:5: missing ) for call statement");
EXPECT_EQ(p->error(), "1:5: expected ')' for call statement");
}
} // namespace

4
src/reader/wgsl/parser_impl_error_msg_test.cc
View File

@ -119,14 +119,14 @@ TEST_F(ParserImplErrorTest, BreakStmtMissingSemicolon) {
TEST_F(ParserImplErrorTest, CallExprMissingRParen) {
EXPECT("fn f() -> void { x = f(1.; }",
"test.wgsl:1:26 error: missing ) for call expression\n"
"test.wgsl:1:26 error: expected ')' for call expression\n"
"fn f() -> void { x = f(1.; }\n"
" ^\n");
}
TEST_F(ParserImplErrorTest, CallStmtMissingRParen) {
EXPECT("fn f() -> void { f(1.; }",
"test.wgsl:1:22 error: missing ) for call statement\n"
"test.wgsl:1:22 error: expected ')' for call statement\n"
"fn f() -> void { f(1.; }\n"
" ^\n");
}

2
src/reader/wgsl/parser_impl_postfix_expression_test.cc
View File

@ -144,7 +144,7 @@ TEST_F(ParserImplTest, PostfixExpression_Call_MissingRightParen) {
auto e = p->postfix_expression();
ASSERT_TRUE(p->has_error());
ASSERT_EQ(e, nullptr);
EXPECT_EQ(p->error(), "1:3: missing ) for call expression");
EXPECT_EQ(p->error(), "1:3: expected ')' for call expression");
}
TEST_F(ParserImplTest, PostfixExpression_MemberAccessor) {