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Add PREC_DYNAMIC rule for resolving runtime ambiguities

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This commit is contained in:
Max Brunsfeld 2017-07-06 15:20:11 -07:00
parent cb652239f6
commit d8e9d04fe7
24 changed files with 316 additions and 83 deletions
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28
include/tree_sitter/parser.h
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@ -42,6 +42,7 @@ typedef struct {
union {
TSStateId to_state;
struct {
short dynamic_precedence;
TSSymbol symbol;
unsigned short child_count;
};
@ -145,21 +146,30 @@ typedef struct TSLanguage {
{ .type = TSParseActionTypeShift, .extra = true } \
}
#define REDUCE(symbol_val, child_count_val) \
#define REDUCE(symbol_val, child_count_val, dynamic_precedence_val) \
{ \
{ \
.type = TSParseActionTypeReduce, \
.params = {.symbol = symbol_val, .child_count = child_count_val } \
.params = { \
.symbol = symbol_val, \
.child_count = child_count_val, \
.dynamic_precedence = dynamic_precedence_val, \
} \
} \
}
#define REDUCE_FRAGILE(symbol_val, child_count_val) \
{ \
{ \
.type = TSParseActionTypeReduce, .fragile = true, \
.params = {.symbol = symbol_val, .child_count = child_count_val } \
} \
}
#define REDUCE_FRAGILE(symbol_val, child_count_val, dynamic_precedence_val) \
{ \
{ \
.type = TSParseActionTypeReduce, \
.fragile = true, \
.params = { \
.symbol = symbol_val, \
.child_count = child_count_val, \
.dynamic_precedence = dynamic_precedence_val, \
} \
} \
}
#define ACCEPT_INPUT() \
{ \