1 files changed, 185 insertions, 0 deletions
diff --git a/src/zprep.h b/src/zprep.h
new file mode 100644
index 0000000..8a85c9f
--- /dev/null
+++ b/src/zprep.h
@@ -0,0 +1,185 @@
+
+#ifndef ZPREP_H
+#define ZPREP_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdarg.h>
+
+// ** ANSI COLORS **
+#define COLOR_RESET "\033[0m"
+#define COLOR_RED "\033[1;31m"
+#define COLOR_GREEN "\033[1;32m"
+#define COLOR_YELLOW "\033[1;33m"
+#define COLOR_BLUE "\033[1;34m"
+#define COLOR_CYAN "\033[1;36m"
+#define COLOR_BOLD "\033[1m"
+
+// ** MEMORY OVERRIDES (Arena) **
+#define free(ptr) ((void)0)
+#define malloc(sz) xmalloc(sz)
+#define realloc(p, s) xrealloc(p, s)
+#define calloc(n, s) xcalloc(n, s)
+
+// ** GLOBAL STATE **
+extern char *g_current_filename;
+
+typedef enum
+{
+    TOK_EOF = 0,
+    TOK_IDENT,
+    TOK_INT,
+    TOK_FLOAT,
+    TOK_STRING,
+    TOK_FSTRING,
+    TOK_CHAR,
+    TOK_LPAREN,
+    TOK_RPAREN,
+    TOK_LBRACE,
+    TOK_RBRACE,
+    TOK_LBRACKET,
+    TOK_RBRACKET,
+    TOK_LANGLE,
+    TOK_RANGLE,
+    TOK_COMMA,
+    TOK_COLON,
+    TOK_SEMICOLON,
+    TOK_OP,
+    TOK_AT,
+    TOK_DOTDOT,
+    TOK_ARROW,
+    TOK_PIPE,
+    TOK_TEST,
+    TOK_ASSERT,
+    TOK_SIZEOF,
+    TOK_DEFER,
+    TOK_AUTOFREE,
+    TOK_QUESTION,
+    TOK_USE,
+    TOK_QQ,
+    TOK_QQ_EQ,
+    TOK_Q_DOT,
+    TOK_DCOLON,
+    TOK_TRAIT,
+    TOK_IMPL,
+    TOK_FOR,
+    TOK_COMPTIME,
+    TOK_ELLIPSIS,
+    TOK_UNION,
+    TOK_ASM,
+    TOK_VOLATILE,
+    TOK_MUT,
+    TOK_ASYNC,
+    TOK_AWAIT,
+    TOK_PREPROC,
+    TOK_COMMENT,
+    TOK_UNKNOWN
+} TokenType;
+
+typedef struct
+{
+    TokenType type;
+    const char *start;
+    int len;
+    int line;
+    int col;
+} Token;
+
+typedef struct
+{
+    const char *src;
+    int pos;
+    int line;
+    int col;
+} Lexer;
+
+void lexer_init(Lexer *l, const char *src);
+Token lexer_next(Lexer *l);
+Token lexer_peek(Lexer *l);
+Token lexer_peek2(Lexer *l);
+
+void register_trait(const char *name);
+int is_trait(const char *name);
+
+// Arena and memory.
+void *xmalloc(size_t size);
+void *xrealloc(void *ptr, size_t new_size);
+void *xcalloc(size_t n, size_t size);
+char *xstrdup(const char *s);
+
+// Error reporting.
+void zpanic(const char *fmt, ...);
+void zpanic_at(Token t, const char *fmt, ...);
+
+char *load_file(const char *filename);
+
+// ** Buffer Size Constants **
+#define MAX_FLAGS_SIZE 1024
+#define MAX_PATH_SIZE 1024
+#define MAX_PATTERN_SIZE 1024
+
+// ** Build Directives **
+extern char g_link_flags[MAX_FLAGS_SIZE];
+extern char g_cflags[MAX_FLAGS_SIZE];
+
+struct ParserContext;
+
+void scan_build_directives(struct ParserContext *ctx, const char *src);
+int levenshtein(const char *s1, const char *s2);
+void zpanic_with_suggestion(Token t, const char *msg, const char *suggestion);
+
+// Specific error types.
+void error_undefined_function(Token t, const char *func_name, const char *suggestion);
+void error_wrong_arg_count(Token t, const char *func_name, int expected, int got);
+void error_undefined_field(Token t, const char *struct_name, const char *field_name,
+                           const char *suggestion);
+void error_type_expected(Token t, const char *expected, const char *got);
+void error_cannot_index(Token t, const char *type_name);
+
+// Warning system.
+void zwarn(const char *fmt, ...);
+void zwarn_at(Token t, const char *fmt, ...);
+
+// Specific warnings.
+void warn_unused_variable(Token t, const char *var_name);
+void warn_unused_parameter(Token t, const char *param_name, const char *func_name);
+void warn_shadowing(Token t, const char *var_name);
+void warn_unreachable_code(Token t);
+void warn_implicit_conversion(Token t, const char *from_type, const char *to_type);
+void warn_narrowing_conversion(Token t, const char *from_type, const char *to_type);
+void warn_missing_return(Token t, const char *func_name);
+void warn_comparison_always_true(Token t, const char *reason);
+void warn_comparison_always_false(Token t, const char *reason);
+void warn_division_by_zero(Token t);
+void warn_integer_overflow(Token t, const char *type_name, long long value);
+void warn_array_bounds(Token t, int index, int size);
+void warn_format_string(Token t, int arg_num, const char *expected, const char *got);
+void warn_null_pointer(Token t, const char *expr);
+
+// ** Compiler Config **
+typedef struct
+{
+    char *input_file;
+    char *output_file;
+
+    // Modes.
+    int mode_run;        // 1 if 'run' command.
+    int mode_check;      // 1 if 'check' command or --check.
+    int emit_c;          // 1 if --emit-c (keep C file).
+    int verbose;         // 1 if --verbose.
+    int quiet;           // 1 if --quiet.
+    int repl_mode;       // 1 if --repl (internal flag for REPL usage).
+    int is_freestanding; // 1 if --freestanding.
+
+    // GCC Flags accumulator.
+    char gcc_flags[4096];
+
+    // C Compiler selection (default: gcc)
+    char cc[64];
+} CompilerConfig;
+
+extern CompilerConfig g_config;
+
+#endif