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

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

Makefile

@@ -10,7 +10,7 @@ OBJECTS = $(SOURCES:.c=.o)
 DEPENDENCIES = $(SOURCES:.c=.d)
 TARGET?=oas
 OUTPUTS=oas oas-asan oas-msan oas-afl
-RUNARGUMENTS?=-tokens tests/input/valid.asm
+RUNARGUMENTS?=ast tests/input/valid.asm
 
 all: $(TARGET)
 	

src/main.c

@@ -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) {
+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);
-    return true;
+    }
 }
 
-bool print_value(lexer_token_t *token) {
+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;

validate.sh

@@ -10,7 +10,7 @@ scan-build -o reports/static-analysis/ -plist-html --status-bugs make all
 # Run the sanitizer builds and valgrind
 make clean sanitize all
 
-ARGUMENTS=("-tokens" "-text")
+ARGUMENTS=("tokens" "text" "ast")
 while IFS= read -r INPUT_FILE; do
     for ARGS in ${ARGUMENTS[@]}; do
         ./oas-asan $ARGS $INPUT_FILE > /dev/null