From e73a4c16a2269cdb2f5e7d66fb9839e4c44e14de Mon Sep 17 00:00:00 2001 From: Bad Diode Date: Fri, 29 Oct 2021 15:37:28 +0200 Subject: Prepare third compiler implementation --- src/errors.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100755 src/errors.c (limited to 'src/errors.c') diff --git a/src/errors.c b/src/errors.c new file mode 100755 index 0000000..11348fd --- /dev/null +++ b/src/errors.c @@ -0,0 +1,46 @@ +#include "errors.h" + +static const char* error_msgs[] = { + [ERR_UNKNOWN] = "error: something unexpected happened", + [ERR_UNMATCHED_STRING] = "error: unmatched string delimiter", + [ERR_UNBALANCED_PAREN] = "error: unbalanced parentheses", + [ERR_NOT_IMPLEMENTED] = "error: not implemented", + [ERR_EOF_REACHED] = "error: EOF reached", + [ERR_UNKNOWN_TOKEN] = "error: unknown token", + [ERR_UNKNOWN_OBJ_TYPE] = "error: can't eval unknown object type", + [ERR_NOT_A_SYMBOL] = "error: object is not a symbol", + [ERR_SYMBOL_NOT_FOUND] = "error: symbol not found", + [ERR_NOT_CALLABLE] = "error: not callable", + [ERR_NOT_ENOUGH_ARGS] = "error: not enough arguments", + [ERR_TOO_MANY_ARGS] = "error: too many arguments", + [ERR_WRONG_ARG_TYPE] = "error: wrong argument type", + [ERR_DIVISION_BY_ZERO] = "error: division by zero", + [ERR_AMBIGUOUS_PARAMS] = "error: ambiguous parameter names", +}; + +void +error_push(Errors *errors, Error error) { + if (errors->n < ERR_MAX_NUMBER) { + errors->errors[errors->n++] = error; + } +} + +void +report_errors(Errors *errors, const char *file_name) { + for (size_t i = 0; i < errors->n; i++) { + Error err = errors->errors[i]; + fprintf(stderr, "%s", file_name); + if (err.line != 0) { + fprintf(stderr, ":%ld:%ld", err.line, err.col); + } + switch (err.type) { + case ERR_TYPE_LEXER: { fprintf(stderr, ": [lexer]"); } break; + case ERR_TYPE_COMPILER: { fprintf(stderr, ": [compiler]"); } break; + case ERR_TYPE_RUNTIME: { fprintf(stderr, ": [runtime]"); } break; + case ERR_TYPE_PARSER: { fprintf(stderr, ": [parser]"); } break; + default: break; + } + fprintf(stderr, " %s\n", error_msgs[err.value]); + } + errors->n = 0; +} -- cgit v1.2.1