omicron/oas
1
0
Fork 0
Code Issues 7 Pull Requests Actions Packages Projects Releases Wiki Activity

FIXME REORDER COMMIT -- Change main so it can parse the ast

Browse Source 
FIXME THIS COMMIT NEEDS TO BE REORDERED
FIXME THIS COMMIT NEEDS TO BE REORDERED
FIXME THIS COMMIT NEEDS TO BE REORDERED
FIXME THIS COMMIT NEEDS TO BE REORDERED
This commit is contained in:
omicron
2025-04-01 15:03:36 +02:00
parent 4e1186a305
commit 68a41d035d
3 changed files with 58 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

83
src/main.c
View File

@ -1,5 +1,6 @@
#include "error.h"
#include "lexer.h"
#include "parser.h"
#include "tokenlist.h"
#include <limits.h>
@ -7,38 +8,57 @@
#include <stdlib.h>
#include <string.h>
bool print_token(lexer_token_t *token) {
lexer_token_print(token);
return true;
typedef enum mode { MODE_AST, MODE_TEXT, MODE_TOKENS } mode_t;
void print_tokens(tokenlist_t *list) {
for (auto entry = list->head; entry; entry = entry->next) {
auto token = &entry->token;
lexer_token_print(token);
}
}
bool print_value(lexer_token_t *token) {
if (token->id == TOKEN_ERROR) {
printf("%s\n", token->value);
for (size_t i = 0; i < token->character_number; ++i)
printf(" ");
printf("^-- %s\n", token->explanation);
} else {
printf("%s", token->value);
void print_text(tokenlist_t *list) {
for (auto entry = list->head; entry; entry = entry->next) {
auto token = &entry->token;
if (token->id == TOKEN_ERROR) {
printf("%s\n", token->value);
for (size_t i = 0; i < token->character_number; ++i)
printf(" ");
printf("^-- %s\n", token->explanation);
return;
} else {
printf("%s", token->value);
}
}
return token->id != TOKEN_ERROR;
}
void parse_ast(tokenlist_t *list) {
parse_result_t result = parse(list->head);
if (result.err) {
puts(result.err->message);
error_free(result.err);
return;
}
ast_node_free(result.node);
}
int get_execution_mode(int argc, char *argv[]) {
if (argc != 3 || (strcmp(argv[1], "tokens") != 0 &&
strcmp(argv[1], "text") != 0 && strcmp(argv[1], "ast"))) {
puts("Usage: oas [tokens|text|ast] <filename>");
exit(1);
}
if (strcmp(argv[1], "tokens") == 0)
return MODE_TOKENS;
if (strcmp(argv[1], "text") == 0)
return MODE_TEXT;
return MODE_AST;
}
int main(int argc, char *argv[]) {
if (argc != 3 ||
(strcmp(argv[1], "-tokens") != 0 && strcmp(argv[1], "-text") != 0)) {
puts("Usage: oas -tokens <filename>");
puts("Usage: oas -text <filename>");
return 1;
}
bool (*print_fn)(lexer_token_t *);
mode_t mode = get_execution_mode(argc, argv);
char *filename = argv[2];
if (strcmp(argv[1], "-tokens") == 0) {
print_fn = print_token;
} else {
print_fn = print_value;
}
lexer_t *lex = &(lexer_t){};
error_t *err = lexer_open(lex, filename);
@ -54,9 +74,18 @@ int main(int argc, char *argv[]) {
if (err)
goto cleanup_tokens;
for (auto entry = list->head; entry; entry = entry->next) {
print_fn(&entry->token);
switch (mode) {
case MODE_TOKENS:
print_tokens(list);
break;
case MODE_TEXT:
print_text(list);
break;
case MODE_AST:
parse_ast(list);
break;
}
tokenlist_free(list);
error_free(err);
return 0;