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progress on the parser

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This commit is contained in:
Krasimir Angelov
2023-06-02 11:52:47 +02:00
parent 58b1a9a535
commit 1a17234a9c
3 changed files with 105 additions and 90 deletions
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18
src/runtime/c/pgf/parser.h
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@@ -63,30 +63,30 @@ class PGF_INTERNAL_DECL PgfParser : public PgfPhraseScanner, public PgfExprEnum
struct Choice;
struct Production;
struct StackNode;
struct ParseState;
struct Stage;
struct ExprState;
struct ExprInstance;
struct Result;
struct CompareExprState : std::less<ExprState*> {
bool operator() (const ExprState *state1, const ExprState *state2) const;
};
ParseState *before, *after, *ahead;
Stage *before, *after, *ahead;
std::priority_queue<ExprState*, std::vector<ExprState*>, CompareExprState> queue;
int last_fid;
Result *top_res;
size_t top_res_index;
Choice *top_choice;
size_t top_choice_index;
void shift(StackNode *parent, ref<PgfConcrLincat> lincat, size_t r, Production *prod,
ParseState *state);
Stage *before, Stage *after);
void reduce(StackNode *parent, ref<PgfConcrLin> lin, size_t seq_index,
size_t n, std::vector<Choice*> &args);
size_t n, std::vector<Choice*> &args,
Stage *before, Stage *after);
void complete(StackNode *parent, ref<PgfConcrLincat> lincat, size_t seq_index,
size_t n, std::vector<Choice*> &args);
void reduce_all(StackNode *state);
void print_prod(Choice *choice, Production *prod);
void print_transition(StackNode *source, StackNode *target, ParseState *state);
void print_transition(StackNode *source, StackNode *target, Stage *stage);
typedef std::map<std::pair<Choice*,Choice*>,Choice*> intersection_map;
@@ -110,6 +110,8 @@ public:
virtual void match(ref<PgfConcrLin> lin, size_t seq_index, PgfExn* err);
virtual void end_matches(PgfTextSpot *end, PgfExn* err);
void prepare();
PgfExpr fetch(PgfDB *db, prob_t *prob);
};
#endif