51 lines
2 KiB
C
51 lines
2 KiB
C
#include "parser.h"
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#include "vendor/mpc.h"
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mpc_parser_t *Pragma, *Comment, *Expr, *Number, *String, *Word, *Definition,
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*Command, *List, *Table, *Quotation, *Program;
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V parser_init(V) {
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Pragma = mpc_new("pragma");
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Comment = mpc_new("comment");
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Expr = mpc_new("expr");
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Number = mpc_new("number");
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String = mpc_new("string");
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Word = mpc_new("word");
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Definition = mpc_new("def");
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Command = mpc_new("command");
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List = mpc_new("list");
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Table = mpc_new("table");
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Quotation = mpc_new("quotation");
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Program = mpc_new("program");
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mpc_err_t *err = mpca_lang(
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MPCA_LANG_DEFAULT,
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" pragma : '#' <word> ('(' <expr>* ')')? ; "
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" comment : /\\\\[^\\n]*/ ; "
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" expr : ( <pragma> | <def> | <command> | <quotation> "
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" | <number> | <list> | <table> | <string> "
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" | <word> | <comment> ) ; "
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" number : ( /0x[0-9A-Fa-f]+/ | /-?[0-9]+/ ) ; "
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" string : /\"(\\\\.|[^\"])*\"/ ; "
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" word : /[a-zA-Z0-9_!.,@#$%^&*_+\\-=><|\\/]+/ ; "
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" def : ':' <word> <expr>* ';' ; "
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" command : <word> ':' <expr>+ ';' ; "
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" list : '(' <expr>* ')' ; "
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" table : '{' <expr>* '}' ; "
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" quotation : '[' <expr>* ']' ; "
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" program : /^/ <expr>* /$/ ; ",
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Pragma, Comment, Expr, Number, String, Word, Definition, Command, List,
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Table, Quotation, Program, NULL);
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// crash if i do a woopsie
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if (err != NULL) {
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mpc_err_print(err);
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mpc_err_delete(err);
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abort();
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}
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}
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V parser_deinit(V) {
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mpc_cleanup(12, Pragma, Comment, Expr, Number, String, Word, Definition,
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Command, List, Table, Quotation, Program);
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}
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