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Changed to read from a file

This commit is contained in:
Kyler Olsen 2025-06-12 21:36:12 -06:00
parent f6049fc644
commit 145ba2c181
2 changed files with 70 additions and 3 deletions
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26
src/main.c
View File

@ -1,4 +1,5 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h>
#include "sync/types.h" #include "sync/types.h"
#include "sync/lexer.h" #include "sync/lexer.h"
@ -6,17 +7,35 @@ static void print_token(Token token) {
printf("Token: %-15s | Text: '%.*s'\n", printf("Token: %-15s | Text: '%.*s'\n",
(const char *[]){ (const char *[]){
"EOF", "IDENTIFIER", "NUMBER", "OPERATOR", "EOF", "IDENTIFIER", "NUMBER", "OPERATOR",
"LPAREN", "RPAREN", "SEMICOLON", "UNKNOWN" "LPAREN", "RPAREN", "SEMICOLON", "LBRACE",
"RBRACE", "LBRACKET", "RBRACKET"
}[token.type], }[token.type],
(int)token.length, token.start (int)token.length, token.start
); );
} }
int main(void) { int main(void) {
const char *source = "sum = a + b123;\nprint(sum);"; const char *filename = "test/example1.zn";
FILE *file = fopen(filename, "rb");
if (!file) {
fprintf(stderr, "Failed to open file: %s\n", filename);
return 1;
}
fseek(file, 0, SEEK_END);
long filesize = ftell(file);
fseek(file, 0, SEEK_SET);
char *source = malloc(filesize + 1);
if (!source) {
fprintf(stderr, "Failed to allocate memory.\n");
fclose(file);
return 1;
}
fread(source, 1, filesize, file);
source[filesize] = '\0';
fclose(file);
Lexer lexer; Lexer lexer;
lexer_init(&lexer, "<stdin>", source); lexer_init(&lexer, filename, source);
TokenResult result; TokenResult result;
do { do {
@ -28,5 +47,6 @@ int main(void) {
} }
} while (result.type != SYNC_ERROR && result.result.type != TOKEN_EOF); } while (result.type != SYNC_ERROR && result.result.type != TOKEN_EOF);
free(source);
return 0; return 0;
} }

47
test/example1.zn Normal file
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@ -0,0 +1,47 @@
static void print_token(Token token) {
//printf("Token: %-15s | Text: '%.*s'\n",
(const char *[]){
//"EOF", "IDENTIFIER", "NUMBER", "OPERATOR",
//"LPAREN", "RPAREN", "SEMICOLON", "UNKNOWN"
}[token.type],
(int)token.length, token.start
);
}
int main(void) {
//const char *filename = "test/example1.zn";
FILE *file = fopen(filename, //"rb");
if (!file) {
//fprintf(stderr, "Failed to open file: %s\n", filename);
return 1;
}
fseek(file, 0, SEEK_END);
long filesize = ftell(file);
fseek(file, 0, SEEK_SET);
char *source = malloc(filesize + 1);
if (!source) {
//fprintf(stderr, "Failed to allocate memory.\n");
fclose(file);
return 1;
}
fread(source, 1, filesize, file);
source[filesize] = //'\0';
fclose(file);
Lexer lexer;
lexer_init(&lexer, filename, source);
TokenResult result;
do {
result = lexer_next(&lexer);
if (result.type == SYNC_RESULT) {
print_token(result.result);
} else {
//fprintf(stderr, "Error: %s\n", result.error.message);
}
} while (result.type != SYNC_ERROR && result.result.type != TOKEN_EOF);
free(source);
return 0;
}