diff options
Diffstat (limited to 'prism/parser.h')
| -rw-r--r-- | prism/parser.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/prism/parser.h b/prism/parser.h index 619358c5ba..b685fa377d 100644 --- a/prism/parser.h +++ b/prism/parser.h @@ -448,6 +448,13 @@ typedef struct { void (*callback)(void *data, pm_parser_t *parser, pm_token_t *token); } pm_lex_callback_t; +/** The type of shareable constant value that can be set. */ +typedef uint8_t pm_shareable_constant_value_t; +static const pm_shareable_constant_value_t PM_SCOPE_SHAREABLE_CONSTANT_NONE = 0x0; +static const pm_shareable_constant_value_t PM_SCOPE_SHAREABLE_CONSTANT_LITERAL = 0x1; +static const pm_shareable_constant_value_t PM_SCOPE_SHAREABLE_CONSTANT_EXPERIMENTAL_EVERYTHING = 0x2; +static const pm_shareable_constant_value_t PM_SCOPE_SHAREABLE_CONSTANT_EXPERIMENTAL_COPY = 0x4; + /** * This struct represents a node in a linked list of scopes. Some scopes can see * into their parent scopes, while others cannot. @@ -488,6 +495,12 @@ typedef struct pm_scope { int8_t numbered_parameters; /** + * The current state of constant shareability for this scope. This is + * changed by magic shareable_constant_value comments. + */ + pm_shareable_constant_value_t shareable_constant; + + /** * A boolean indicating whether or not this scope can see into its parent. * If closed is true, then the scope cannot see into its parent. */ |