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Finished structure-definitions of a syntax definition.

This commit is contained in:
Eric-Paul Ickhorn 2023-09-10 18:14:14 +02:00
parent b16a11afdf
commit 7da96cb5c9
1 changed files with 44 additions and 10 deletions
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54
inc/definition.h
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@ -8,6 +8,28 @@
#include <stdlib.h>
#include <string.h>
#include <tokenizer.h>
typedef enum
{
CARROT_PATTERN_ELEMENT_VARIABLE_TERMINAL,
CARROT_PATTERN_ELEMENT_LITERAL_TERMINAL,
CARROT_PATTERN_ELEMENT_RULE
} carrot_pattern_element_e;
typedef enum
{
CARROT_VARIABLE_TERMINAL_ALPHABETICAL_WORD,
CARROT_VARIABLE_TERMINAL_ALPHANUMERIC_WORD, //
CARROT_VARIABLE_TERMINAL_KEYWORD, // Subtype of CARROT_VARIABLE_TERMINAL_ALPHANUMERIC_WORD; from a list of user-specified keywords.
CARROT_VARIABLE_TERMINAL_OPERATOR,
CARROT_VARIABLE_TERMINAL_NUMBER,
CARROT_VARIABLE_TERMINAL_FLOAT, // Subtype of CARROT_VARIABLE_TERMINAL_NUMBER; all numbers, including those with digits after the number.
CARROT_VARIABLE_TERMINAL_INTEGER // Subtype of CARROT_VARIABLE_TERMINAL_NUMBER; only means full numbers without digits after the number.
} carrot__variable_terminal_e;
// carrot_definition_unit_s: A whole file (with possible included sub-files) of rules.
// A definition unit describes a single format or language.
typedef struct carrot_definition_unit carrot_definition_unit_s;
@ -37,26 +59,38 @@ typedef struct carrot_pattern_element carrot_pattern_element_s
// in exactly the way as it was stated in the definition.
typedef struct carrot_terminal carrot_terminal_s;
struct carrot_definition {
struct carrot_definition_unit
{
uint32_t num_rules;
carrot_rule_definition_s *rules;
carrot_token_stream_s *token_stream;
};
struct carrot_rule_definition {
struct carrot_rule_definition
{
carrot_definition_unit_s *syntax_definition;
uint32_t num_applying_patterns;
carrot_pattern_sequence_s *applying_patterns;
};
struct carrot_pattern {
struct carrot_pattern_sequence
{
// rule: The rule that this pattern sequence belongs to.
carrot_rule_definition_s *rule;
uint32_t num_items;
carrot_pattern_element_s *items;
};
struct carrot_pattern_element {
struct carrot_pattern_element
{
carrot_pattern_element_e type;
carrot__variable_terminal_e variable_terminal;
char *referenced_rule_name;
char *literal_terminal;
};
struct carrot_terminal {
};
#endif