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[flang][preprocessor] Fix handling of #line before free-form continua… #100178

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Merged
merged 1 commit into from
Jul 30, 2024
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[flang][preprocessor] Fix handling of #line before free-form continua… #100178

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6 changes: 5 additions & 1 deletion flang/lib/Parser/prescan.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -111,9 +111,13 @@ void Prescanner::Statement() {
skipLeadingAmpersand_ |= !inFixedForm_;
return;
case LineClassification::Kind::PreprocessorDirective:
preprocessor_.Directive(TokenizePreprocessorDirective(), *this);
afterPreprocessingDirective_ = true;
// Don't set skipLeadingAmpersand_
return;
case LineClassification::Kind::DefinitionDirective:
preprocessor_.Directive(TokenizePreprocessorDirective(), *this);
// Don't set afterPreprocessingDirective_
// Don't set afterPreprocessingDirective_ or skipLeadingAmpersand_
return;
case LineClassification::Kind::CompilerDirective: {
directiveSentinel_ = line.sentinel;
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20 changes: 20 additions & 0 deletions flang/test/Preprocessing/line-in-contin.F90
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
! RUN: %flang_fc1 -E %s 2>&1 | FileCheck %s
! CHECK: call foo( 0.)
! CHECK: call foo( 1.)
! CHECK: call foo( 2.)
! CHECK: call foo( 3.)
call foo( &
# 100 "bar.h"
& 0.)
call foo( &
# 101 "bar.h"
1.)
call foo( &
# 102 "bar.h"
& 2. &
& )
call foo( &
# 103 "bar.h"
& 3. &
)
end
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