| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #include <gyoji-analysis.hpp> | ||
| 2 | #include <stdio.h> | ||
| 3 | |||
| 4 | using namespace Gyoji::mir; | ||
| 5 | using namespace Gyoji::context; | ||
| 6 | using namespace Gyoji::analysis; | ||
| 7 | |||
| 8 | 30 | AnalysisPassUnreachable::AnalysisPassUnreachable(CompilerContext & _compiler_context) | |
| 9 | 60 | : AnalysisPass(_compiler_context, "unreachable analysis") | |
| 10 | 30 | {} | |
| 11 | ✗ | AnalysisPassUnreachable::~AnalysisPassUnreachable() | |
| 12 | ✗ | {} | |
| 13 | |||
| 14 | void | ||
| 15 | 30 | AnalysisPassUnreachable::check(const MIR & mir) const | |
| 16 | { | ||
| 17 |
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296 | for (const auto & function : mir.get_functions().get_functions()) { |
| 18 | 266 | check(*function); | |
| 19 | } | ||
| 20 | 30 | } | |
| 21 | |||
| 22 | 266 | void AnalysisPassUnreachable::check(const Function & function) const | |
| 23 | { | ||
| 24 | 266 | const auto & blocks = function.get_blocks(); | |
| 25 |
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628 | for (const auto & block_it : blocks) { |
| 26 | 362 | const BasicBlock & block = *block_it.second; | |
| 27 | 362 | const std::vector<Gyoji::owned<Operation>> & operations = block.get_operations(); | |
| 28 | |||
| 29 | 362 | bool terminated = false; | |
| 30 |
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4356 | for (const auto & operation_it : operations) { |
| 31 | 3994 | const Operation & operation = *operation_it; | |
| 32 | // We found an operation after we found a terminator. | ||
| 33 |
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3994 | if (terminated) { |
| 34 | ✗ | get_compiler_context() | |
| 35 | ✗ | .get_errors() | |
| 36 | ✗ | .add_simple_error(operation.get_source_ref(), | |
| 37 | "Unreachable Statement", | ||
| 38 | "Unreachable statement" | ||
| 39 | ); | ||
| 40 | ✗ | break; | |
| 41 | } | ||
| 42 | // We found a terminating operation. | ||
| 43 |
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3994 | if (operation.is_terminating()) { |
| 44 | 362 | terminated = true; | |
| 45 | 362 | continue; | |
| 46 | } | ||
| 47 | } | ||
| 48 | } | ||
| 49 | 266 | } | |
| 50 |