| 1 | // Replacement for osh/arith_parse
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| 2 |
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| 3 | #ifndef FRONTEND_TDOP_H
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| 4 | #define FRONTEND_TDOP_H
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| 5 |
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| 6 | #include "_gen/frontend/id_kind.asdl.h"
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| 7 | #include "_gen/frontend/syntax.asdl.h"
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| 8 |
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| 9 | using id_kind_asdl::Id_t;
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| 10 | using syntax_asdl::arith_expr_t;
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| 11 | using syntax_asdl::word_t;
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| 12 |
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| 13 | namespace tdop {
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| 14 |
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| 15 | class TdopParser; // forward declaration
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| 16 |
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| 17 | typedef arith_expr_t* (*LeftFunc)(TdopParser*, word_t*, arith_expr_t*, int);
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| 18 | typedef arith_expr_t* (*NullFunc)(TdopParser*, word_t*, int);
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| 19 |
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| 20 | struct LeftInfo {
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| 21 | LeftFunc led;
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| 22 | int lbp;
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| 23 | int rbp;
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| 24 |
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| 25 | DISALLOW_COPY_AND_ASSIGN(LeftInfo)
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| 26 | };
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| 27 |
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| 28 | struct NullInfo {
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| 29 | NullFunc nud;
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| 30 | int bp;
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| 31 |
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| 32 | DISALLOW_COPY_AND_ASSIGN(NullInfo)
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| 33 | };
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| 34 |
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| 35 | class ParserSpec {
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| 36 | public:
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| 37 | // No fields
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| 38 | ParserSpec() {
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| 39 | }
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| 40 | LeftInfo* LookupLed(Id_t id);
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| 41 | NullInfo* LookupNud(Id_t id);
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| 42 |
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| 43 | static constexpr ObjHeader obj_header() {
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| 44 | return ObjHeader::ClassFixed(kZeroMask, sizeof(ParserSpec));
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| 45 | }
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| 46 |
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| 47 | DISALLOW_COPY_AND_ASSIGN(ParserSpec)
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| 48 | };
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| 49 |
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| 50 | } // namespace tdop
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| 51 |
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| 52 | #endif // FRONTEND_TDOP_H
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