add identifier to parser

2025-06-01 02:28:27 +01:00
parent b7e9493171
commit d2518afb8e
20 changed files with 733 additions and 251 deletions
--- a/src/lexer/lexer.c
+++ b/src/lexer/lexer.c
@@ -1,30 +1,27 @@
-#include "lex.yy.h"
 #include "lexer.h"
+#include "lex.yy.h"

 void lexer(LexerState state) {
-    yyscan_t scanner;
+  yyscan_t scanner;

-    yylex_init(&scanner);
+  yylex_init(&scanner);

-    yyset_extra(&state, scanner);
+  yyset_extra(&state, scanner);

-    yyset_in(state.file, scanner);
+  yyset_in(state.file, scanner);

-    int token;
-    while ((token = yylex(scanner)) != 0) {
-        Token * token_struct = create_token(
-            token,
-            yyget_lineno(scanner),
-            state.current_column+1,
-            yyget_text(scanner)
-        );
-        darray_push(state.tokens, token_struct);
-        free(token_struct);
-        if (token == TOKEN_NEW_LINE) {
-            state.current_column = 0;
-        } else {
-            state.current_column += yyget_leng(scanner);
-        }
+  int token;
+  while ((token = yylex(scanner)) != 0) {
+    Token *token_struct =
+        create_token(token, yyget_lineno(scanner), state.current_column + 1,
+                     yyget_text(scanner));
+    darray_push(state.tokens, token_struct);
+    free(token_struct);
+    if (token == TOKEN_NEW_LINE) {
+      state.current_column = 0;
+    } else {
+      state.current_column += yyget_leng(scanner);
    }
-    yylex_destroy(scanner);
+  }
+  yylex_destroy(scanner);
 }
--- a/src/lexer/lexer.h
+++ b/src/lexer/lexer.h
@@ -1,19 +1,18 @@
 #ifndef LEXER_H
 #define LEXER_H

-#include "token.h"
 #include "../dynamic_array/darray.h"
+#include "token.h"
 #include <stdio.h>

 typedef struct {
-    const char *path;
-    FILE *file;
-    int current_column;
-    DArray* tokens;
-    // add more fields as needed
+  const char *path;
+  FILE *file;
+  int current_column;
+  DArray *tokens;
+  // add more fields as needed
 } LexerState;

 void lexer(LexerState state);

-
 #endif // LEXER_H
--- a/src/lexer/token.c
+++ b/src/lexer/token.c
@@ -1,17 +1,17 @@
 #include "token.h"
-#include <stdlib.h>
 #include "../string/string.h"
+#include <stdlib.h>

 Token *create_token(TokenType type, int line, int column, char *value) {
-    Token * token = malloc(sizeof(Token));
-    token->type = type;
-    token->line=line;
-    token->column=column;
-    token->value=cloneString(value);
-    return token;
+  Token *token = malloc(sizeof(Token));
+  token->type = type;
+  token->line = line;
+  token->column = column;
+  token->value = cloneString(value);
+  return token;
 }

-void free_token(void * ptr) {
-    Token* token = ptr;
-    free(token->value);
+void free_token(void *ptr) {
+  Token *token = ptr;
+  free(token->value);
 }
--- a/src/lexer/token.h
+++ b/src/lexer/token.h
@@ -20,15 +20,15 @@ typedef enum {
  TOKEN_ASSIGN_CARET,

  // Operators
-  TOKEN_AND,    // &&
-  TOKEN_OR,     // ||
-  TOKEN_NOT_IN, // not in
-  TOKEN_LE,     // <=
-  TOKEN_GE,     // >=
-  TOKEN_LT,     // <
-  TOKEN_GT,     // >
-  TOKEN_NE,     // !=
-  TOKEN_EQ,     // ==
+  TOKEN_AND,      // &&
+  TOKEN_OR,       // ||
+  TOKEN_NOT_IN,   // not in
+  TOKEN_LE,       // <=
+  TOKEN_GE,       // >=
+  TOKEN_LT,       // <
+  TOKEN_GT,       // >
+  TOKEN_NE,       // !=
+  TOKEN_EQ,       // ==
  TOKEN_PLUS,     // +
  TOKEN_MINUS,    // -
  TOKEN_MODULO,   // %
--- a/src/list/list.c
+++ b/src/list/list.c
@@ -1,97 +1,99 @@
+#include "list.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include "list.h"

 LinkedList *create_list(size_t data_size) {
-    LinkedList *list = malloc(sizeof(LinkedList));
-    list->head = NULL;
-    list->data_size = data_size;
-    list->length = 0;
-    return list;
+  LinkedList *list = malloc(sizeof(LinkedList));
+  list->head = NULL;
+  list->data_size = data_size;
+  list->length = 0;
+  return list;
 }

 void append(LinkedList *list, void *element) {
-    Node *new_node = malloc(sizeof(Node));
-    new_node->data = malloc(list->data_size);
-    memcpy(new_node->data, element, list->data_size);
-    new_node->next = NULL;
+  Node *new_node = malloc(sizeof(Node));
+  new_node->data = malloc(list->data_size);
+  memcpy(new_node->data, element, list->data_size);
+  new_node->next = NULL;

-    if (!list->head) {
-        list->head = new_node;
-    } else {
-        Node *temp = list->head;
-        while (temp->next) temp = temp->next;
-        temp->next = new_node;
-    }
-    list->length++;
+  if (!list->head) {
+    list->head = new_node;
+  } else {
+    Node *temp = list->head;
+    while (temp->next)
+      temp = temp->next;
+    temp->next = new_node;
+  }
+  list->length++;
 }

 void *get_element_at(LinkedList *list, size_t index) {
-    if (index >= list->length) return NULL;
+  if (index >= list->length)
+    return NULL;

-    Node *current = list->head;
-    for (size_t i = 0; i < index; ++i)
-        current = current->next;
+  Node *current = list->head;
+  for (size_t i = 0; i < index; ++i)
+    current = current->next;

-    return current->data;
+  return current->data;
 }

 int set_element_at(LinkedList *list, size_t index, void *element) {
-    if (index >= list->length) return 0;
+  if (index >= list->length)
+    return 0;

-    Node *current = list->head;
-    for (size_t i = 0; i < index; ++i)
-        current = current->next;
+  Node *current = list->head;
+  for (size_t i = 0; i < index; ++i)
+    current = current->next;

-    memcpy(current->data, element, list->data_size);
-    return 1;
+  memcpy(current->data, element, list->data_size);
+  return 1;
 }

 int remove_at(LinkedList *list, size_t index) {
-    if (index >= list->length) return 0;
+  if (index >= list->length)
+    return 0;

-    Node *temp = list->head;
-    Node *prev = NULL;
+  Node *temp = list->head;
+  Node *prev = NULL;

-    for (size_t i = 0; i < index; ++i) {
-        prev = temp;
-        temp = temp->next;
-    }
+  for (size_t i = 0; i < index; ++i) {
+    prev = temp;
+    temp = temp->next;
+  }

-    if (prev)
-        prev->next = temp->next;
-    else
-        list->head = temp->next;
+  if (prev)
+    prev->next = temp->next;
+  else
+    list->head = temp->next;

-    free(temp->data);
-    free(temp);
-    list->length--;
-    return 1;
+  free(temp->data);
+  free(temp);
+  list->length--;
+  return 1;
 }

-size_t list_length(LinkedList *list) {
-    return list->length;
-}
+size_t list_length(LinkedList *list) { return list->length; }

 void print_list(LinkedList *list, void (*print_func)(void *)) {
-    Node *current = list->head;
-    while (current) {
-        print_func(current->data);
-        current = current->next;
-    }
+  Node *current = list->head;
+  while (current) {
+    print_func(current->data);
+    current = current->next;
+  }
 }

 void free_list(LinkedList *list, void (*free_data)(void *)) {
-    Node *current = list->head;
-    while (current) {
-        Node *next = current->next;
+  Node *current = list->head;
+  while (current) {
+    Node *next = current->next;

-        if (free_data)  // Safe to pass NULL if you don't need it
-            free_data(current->data);
+    if (free_data) // Safe to pass NULL if you don't need it
+      free_data(current->data);

-        free(current);
-        current = next;
-    }
-    free(list);
+    free(current);
+    current = next;
+  }
+  free(list);
 }
--- a/src/list/list.h
+++ b/src/list/list.h
@@ -5,14 +5,14 @@

 // Node structure (opaque to user)
 typedef struct Node {
-    void *data;
-    struct Node *next;
+  void *data;
+  struct Node *next;
 } Node;

 typedef struct LinkedList {
-    Node *head;
-    size_t data_size;
-    size_t length;
+  Node *head;
+  size_t data_size;
+  size_t length;
 } LinkedList;

 // Create a new list for the given data type size
--- a/src/main.c
+++ b/src/main.c
@@ -1,38 +1,34 @@
+#include "dynamic_array/darray.h"
 #include "lexer/lexer.h"
 #include "lexer/token.h"
-#include "parser/parser.h"
 #include "memory.h"
-#include "dynamic_array/darray.h"
+#include "parser/parser.h"

 #include <stdbool.h>
 #include <stddef.h>
 #include <stdio.h>

-int main() {
-    ar_memory_init();
-    char * path = "test.ar";
-    DArray tokens;
+int main(int argc, char *argv[]) {
+  if (argc <= 1)
+    return -1;
+  ar_memory_init();
+  char *path = argv[1];
+  DArray tokens;

-    darray_init(&tokens, sizeof(Token));
+  darray_init(&tokens, sizeof(Token));

-    LexerState state = {
-        path,
-        fopen(path, "r"),
-        0,
-        &tokens
-    };
-    lexer(state);
-    fclose(state.file);
+  LexerState state = {path, fopen(path, "r"), 0, &tokens};
+  lexer(state);
+  fclose(state.file);

-    DArray ast;
+  DArray ast;

-    darray_init(&ast, sizeof(ParsedValue));
+  darray_init(&ast, sizeof(ParsedValue));

+  parser(path, &ast, &tokens, false);
+  darray_free(&tokens, free_token);

-    parser(path,&ast, &tokens, false);
-    darray_free(&tokens, free_token);
-    
-    darray_free(&ast,free_parsed);
+  darray_free(&ast, free_parsed);

-    return 0;
+  return 0;
 }
--- a/src/memory.c
+++ b/src/memory.c
@@ -1,23 +1,17 @@
 #include "memory.h"
 #include <gc.h>
-#include <string.h>
 #include <stdlib.h> // for malloc/free (temp arena fallback)
+#include <string.h>

-void ar_memory_init() {
-    GC_INIT();
-}
+void ar_memory_init() { GC_INIT(); }

-void* ar_alloc(size_t size) {
-    return GC_MALLOC(size);
-}
+void *ar_alloc(size_t size) { return GC_MALLOC(size); }

-void* ar_alloc_atomic(size_t size) {
-    return GC_MALLOC_ATOMIC(size);
-}
+void *ar_alloc_atomic(size_t size) { return GC_MALLOC_ATOMIC(size); }

-char* ar_strdup(const char* str) {
-    size_t len = strlen(str) + 1;
-    char* copy = (char*)GC_MALLOC(len);
-    memcpy(copy, str, len);
-    return copy;
+char *ar_strdup(const char *str) {
+  size_t len = strlen(str) + 1;
+  char *copy = (char *)GC_MALLOC(len);
+  memcpy(copy, str, len);
+  return copy;
 }
--- a/src/memory.h
+++ b/src/memory.h
@@ -4,9 +4,9 @@
 #include <stddef.h> // for size_t

 // GC-managed allocations
-void* ar_alloc(size_t size);
-void* ar_alloc_atomic(size_t size);
-char* ar_strdup(const char* str);
+void *ar_alloc(size_t size);
+void *ar_alloc_atomic(size_t size);
+char *ar_strdup(const char *str);

 // Memory init/shutdown
 void ar_memory_init();
--- a/src/parser/assign/assign.c
+++ b/src/parser/assign/assign.c
@@ -5,7 +5,7 @@
 #include <stdio.h>
 #include <stdlib.h>

-ParsedValue *parse_assign(char*file,DArray *parsed, DArray *tokens,
+ParsedValue *parse_assign(char *file, DArray *parsed, DArray *tokens,
                          ParsedValue *assign_to, size_t *index) {
  Token *token = darray_get(tokens, *index);
  ParsedAssign *assign = malloc(sizeof(ParsedAssign));
@@ -24,20 +24,20 @@ ParsedValue *parse_assign(char*file,DArray *parsed, DArray *tokens,
  case TOKEN_ASSIGN_STAR:
    fprintf(stderr, "%s:%u:%u error: invalid syntax\n", file, token->line,
            token->column);
-      exit(EXIT_FAILURE);
-    default:
-      break;
+    exit(EXIT_FAILURE);
+  default:
+    break;
  }
-  assign->from = parse_token(file,parsed, tokens, index, true);
+  assign->from = parse_token(file, parsed, tokens, index, true);
  ParsedValue *parsedValue = malloc(sizeof(ParsedValue));
  parsedValue->type = AST_ASSIGN;
  parsedValue->data = assign;
  return parsedValue;
 }

-void free_parse_assign(void*ptr) {
-  ParsedValue * parsedValue = ptr;
-  ParsedAssign* parsedAssign = parsedValue->data;
+void free_parse_assign(void *ptr) {
+  ParsedValue *parsedValue = ptr;
+  ParsedAssign *parsedAssign = parsedValue->data;
  free_parsed(parsedAssign->to);
  free_parsed(parsedAssign->from);
  free(parsedAssign);
--- a/src/parser/identifier/identifier.c
+++ b/src/parser/identifier/identifier.c
@@ -0,0 +1,12 @@
+#include "identifier.h"
+#include "../../lexer/token.h"
+#include "../parser.h"
+#include <stdlib.h>
+#include <string.h>
+
+ParsedValue *parse_identifier(Token *token) {
+  ParsedValue *parsedValue = malloc(sizeof(ParsedValue));
+  parsedValue->type = AST_IDENTIFIER;
+  parsedValue->data = strcpy(malloc(sizeof(token->value)), token->value);
+  return parsedValue;
+}
--- a/src/parser/identifier/identifier.h
+++ b/src/parser/identifier/identifier.h
@@ -0,0 +1,11 @@
+// parser.h
+
+#ifndef IDENTIFIER_H
+#define IDENTIFIER_H
+#include "../parser.h"
+#include "../../lexer/token.h"  // for Token
+
+// Function declaration for parsing an identifier
+ParsedValue * parse_identifier(Token * token);
+
+#endif // IDENTIFIER_H
--- a/src/parser/parser.c
+++ b/src/parser/parser.c
@@ -2,6 +2,7 @@
 #include "../dynamic_array/darray.h"
 #include "../lexer/token.h"
 #include "assign/assign.h"
+#include "identifier/identifier.h"
 #include "string/string.h"
 #include <stdbool.h>
 #include <stddef.h>
@@ -14,8 +15,8 @@ ParsedValue *parse_token(char *file, DArray *parsed, DArray *tokens,
  Token *token = darray_get(tokens, *index);
  if (!inline_flag) {
    switch (token->type) {
-      default:
-        break;
+    default:
+      break;
    };
  }
  switch (token->type) {
@@ -23,11 +24,11 @@ ParsedValue *parse_token(char *file, DArray *parsed, DArray *tokens,
    (*index)++;
    return parse_string(*token);
  case TOKEN_NEW_LINE:
-    while (token->type  == TOKEN_NEW_LINE && *index+1 <= tokens->size) {
-      (*index)++;
+    while (token->type == TOKEN_NEW_LINE && ++(*index) < tokens->size) {
      token = darray_get(tokens, *index);
    }
-    if (token->type == TOKEN_NEW_LINE) return NULL;
+    if (token->type == TOKEN_NEW_LINE)
+      return NULL;
    return parse_token(file, parsed, tokens, index, inline_flag);
  case TOKEN_INDENT:
    fprintf(stderr, "%s:%u:%u error: invalid indentation\n", file, token->line,
@@ -43,13 +44,17 @@ ParsedValue *parse_token(char *file, DArray *parsed, DArray *tokens,
  case TOKEN_ASSIGN_STAR:
    if (parsed->size == 0) {
      fprintf(stderr, "%s:%u:%u error: syntax error\n", file, token->line,
-            token->column);
+              token->column);
      exit(EXIT_FAILURE);
    }
    ParsedValue *assign_to = malloc(sizeof(ParsedValue));
-    memcpy(assign_to, darray_get(parsed, parsed->size-1), sizeof(ParsedValue));
-    darray_resize(parsed, parsed->size-1);
+    memcpy(assign_to, darray_get(parsed, parsed->size - 1),
+           sizeof(ParsedValue));
+    darray_resize(parsed, parsed->size - 1);
    return parse_assign(file, parsed, tokens, assign_to, index);
+  case TOKEN_IDENTIFIER:
+    (*index)++;
+    return parse_identifier(token);
  default:
    fprintf(stderr, "Panic: unreachable\n");
    exit(EXIT_FAILURE);
@@ -72,6 +77,7 @@ void parser(char *file, DArray *parsed, DArray *tokens, bool inline_flag) {
 void free_parsed(void *ptr) {
  ParsedValue *parsed = ptr;
  switch (parsed->type) {
+  case AST_IDENTIFIER:
  case AST_STRING:
    free(parsed->data);
    break;
--- a/src/parser/parser.h
+++ b/src/parser/parser.h
@@ -1,29 +1,28 @@
 #ifndef PARSER_H
 #define PARSER_H

+#include "../dynamic_array/darray.h"
 #include <stdbool.h>
 #include <stddef.h>
-#include "../dynamic_array/darray.h"
-

 typedef struct LinkedList LinkedList;

 typedef enum {
  AST_STRING,
  AST_ASSIGN,
+  AST_IDENTIFIER,
 } ValueType;

 typedef struct {
  ValueType type;
  void *data;
-  
 } ParsedValue;

-void parser(char*file,DArray *parsed, DArray *tokens, bool inline_flag);
+void parser(char *file, DArray *parsed, DArray *tokens, bool inline_flag);

-ParsedValue *parse_token(char*file,DArray *parsed, DArray *tokens, size_t *index, bool inline_flag);
+ParsedValue *parse_token(char *file, DArray *parsed, DArray *tokens,
+                         size_t *index, bool inline_flag);

 void free_parsed(void *ptr);

-
 #endif // PARSER_H
--- a/src/parser/string/string.c
+++ b/src/parser/string/string.c
@@ -42,6 +42,7 @@ char *unquote(char *str) {

  cJSON *json = cJSON_Parse(str);
  if (!json || !cJSON_IsString(json)) {
+    cJSON_Delete(json);
    if (swapped)
      free(swapped);
    return NULL;
@@ -71,9 +72,8 @@ char *unquote(char *str) {
  return unescaped;
 }

-ParsedValue * parse_string(Token token) {
-  ParsedValue * parsedValue = malloc(sizeof(ParsedValue));
-  
+ParsedValue *parse_string(Token token) {
+  ParsedValue *parsedValue = malloc(sizeof(ParsedValue));
  parsedValue->type = AST_STRING;
  parsedValue->data = unquote(token.value);
  return parsedValue;
--- a/src/string/string.c
+++ b/src/string/string.c
@@ -6,69 +6,57 @@

 const char *WHITE_SPACE = " \t\n\r\f\v";

-char *cloneString(char *str)
-{
-    if (str == NULL)
-    {
-        return NULL;
-    }
+char *cloneString(char *str) {
+  if (str == NULL) {
+    return NULL;
+  }

-    size_t len = strlen(str);
-    char *clone = malloc((len + 1) * sizeof(char));
+  size_t len = strlen(str);
+  char *clone = malloc((len + 1) * sizeof(char));

-    if (clone == NULL)
-    {
-        return NULL;
-    }
+  if (clone == NULL) {
+    return NULL;
+  }

-    strcpy(clone, str);
-    return clone;
+  strcpy(clone, str);
+  return clone;
 }

-void stripString(char *str, const char *chars)
-{
-    if (str == NULL || chars == NULL)
-    {
-        return;
-    }
-
-    size_t len = strlen(str);
-    size_t charsLen = strlen(chars);
-
-    if (len == 0 || charsLen == 0)
-    {
-        return;
-    }
-    size_t i = 0;
-    while (i < len)
-    {
-        if (strchr(chars, str[i]) == NULL)
-        {
-            break;
-        }
-        i++;
-    }
-
-    if (i > 0)
-    {
-        memmove(str, str + i, len - i + 1);
-    }
-    size_t j = len-i - 1;
-    while (j > 0)
-    {
-        if (strchr(chars, str[j]) == NULL)
-        {
-            break;
-        }
-        j--;
-    }
-
-    if (j < len)
-    {
-        str[j + 1] = '\0';
-    }
-
-    str = realloc(str, (j + 1) * sizeof(char));
-
+void stripString(char *str, const char *chars) {
+  if (str == NULL || chars == NULL) {
    return;
+  }
+
+  size_t len = strlen(str);
+  size_t charsLen = strlen(chars);
+
+  if (len == 0 || charsLen == 0) {
+    return;
+  }
+  size_t i = 0;
+  while (i < len) {
+    if (strchr(chars, str[i]) == NULL) {
+      break;
+    }
+    i++;
+  }
+
+  if (i > 0) {
+    memmove(str, str + i, len - i + 1);
+  }
+  size_t j = len - i - 1;
+  while (j > 0) {
+    if (strchr(chars, str[j]) == NULL) {
+      break;
+    }
+    j--;
+  }
+
+  if (j < len) {
+    str[j + 1] = '\0';
+  }
+
+  str = realloc(str, (j + 1) * sizeof(char));
+
+  return;
 }
--- a/src/string/string.h
+++ b/src/string/string.h
@@ -1,11 +1,10 @@
 #ifndef CLONESTRING_H
 #define CLONESTRING_H

-extern const char * WHITE_SPACE;
+extern const char *WHITE_SPACE;

-char* cloneString(char* str);
-
-void stripString(char* str, const char* chars);
+char *cloneString(char *str);

+void stripString(char *str, const char *chars);

 #endif // CLONESTRING_H
--- a/src/translator/translator.c
+++ b/src/translator/translator.c
@@ -1,11 +1,12 @@
 #include "translator.h"
 #include "../dynamic_array/darray.h"
-#include <stdlib.h>
 #include <stdint.h>
+#include <stdlib.h>

-Translated * init_translator() {
+Translated *init_translator() {
  Translated *translated = malloc(sizeof(Translated));
-  if (!translated) return NULL;
+  if (!translated)
+    return NULL;

  darray_init(&translated->bytecode, sizeof(uint8_t));
  return translated;
--- a/src/translator/translator.h
+++ b/src/translator/translator.h
@@ -1,14 +1,10 @@
 #ifndef TRANSLATOR_H
 #define TRANSLATOR_H

-#include <stddef.h>
 #include "../dynamic_array/darray.h"
+#include <stddef.h>

-
-typedef enum {
-  OP_INIT_STRING
-} OperationType;
-
+typedef enum { OP_INIT_STRING } OperationType;

 typedef struct {
  size_t registerCount;
--- a/test.ar
+++ b/test.ar
@@ -1 +1,483 @@
-x="hello world"
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+"hello world"
+
+