5 files changed, 55 insertions, 8 deletions

diff --git a/src/backend/bba.c b/src/backend/bba.c
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/backend/bba.c
diff --git a/src/backend/bba.h b/src/backend/bba.h
new file mode 100644
index 0000000..98c081e
--- /dev/null
+++ b/src/backend/bba.h
@@ -0,0 +1,39 @@
+#pragma once
+
+#include "compiler/ast-tree.h"
+
+typedef enum BBAOperation {
+  BBA_OPERATION_ASSIGN,
+
+  BBA_OPERATION_CAST,
+  // BBA_OPERATION_TYPE_OF,
+  // BBA_OPERATION_IMPORT,
+  // BBA_OPERATION_IS_COMPTIME,
+  BBA_OPERATION_STACK_ALLOC,
+  BBA_OPERATION_HEAP_ALLOC,
+  BBA_OPERATION_NEG,
+  BBA_OPERATION_ADD,
+  BBA_OPERATION_SUB,
+  BBA_OPERATION_MUL,
+  BBA_OPERATION_DIV,
+  BBA_OPERATION_MOD,
+  BBA_OPERATION_EQUAL,
+  BBA_OPERATION_NOT_EQUAL,
+  BBA_OPERATION_GREATER,
+  BBA_OPERATION_SMALLER,
+  BBA_OPERATION_GREATER_OR_EQUAL,
+  BBA_OPERATION_SMALLER_OR_EQUAL,
+  BBA_OPERATION_PUTC,
+
+  BBA_OPERATION_CALL,
+}BBAOperation;
+
+typedef struct BBAInstruction {
+
+} BBAInstruction;
+
+typedef struct BBABlock {
+} BBABlock;
+
+typedef struct BBA {
+} BBA;
diff --git a/src/compiler/lexer.c b/src/compiler/lexer.c
index 6b55e61..23a827e 100644
--- a/src/compiler/lexer.c
+++ b/src/compiler/lexer.c
@@ -30,6 +30,8 @@ const char *LEXER_TOKEN_STRINGS[] = {
     "LEXER_TOKEN_BUILTIN_GREATER_OR_EQUAL",
     "LEXER_TOKEN_BUILTIN_SMALLER_OR_EQUAL",
     "LEXER_TOKEN_BUILTIN_PUTC",
+    "LEXER_TOKEN_BUILTIN_C_LIBRARY",
+    "LEXER_TOKEN_BUILTIN_C_FUNCTION",
     "LEXER_TOKEN_KEYWORD_TYPE",
     "LEXER_TOKEN_KEYWORD_VOID",
     "LEXER_TOKEN_KEYWORD_I8",
@@ -199,11 +201,11 @@ static const size_t LEXER_KEYWORD_SIZE =
 
 static const char *LEXER_BUILTIN_STRINGS[] = {
     "cast",
-    "typeOf",
+    "type_of",
     "import",
-    "isComptime",
-    "stackAlloc",
-    "heapAlloc",
+    "is_comptime",
+    "stack_alloc",
+    "heap_alloc",
     "neg",
     "add",
     "sub",
@@ -211,12 +213,14 @@ static const char *LEXER_BUILTIN_STRINGS[] = {
     "div",
     "mod",
     "equal",
-    "notEqual",
+    "not_equal",
     "greater",
     "smaller",
-    "greaterOrEqual",
-    "smallerOrEqual",
+    "greater_or_equal",
+    "smaller_or_equal",
     "putc",
+    "c_library",
+    "c_function",
 };
 static const LexerToken LEXER_BUILTIN_TOKENS[] = {
     LEXER_TOKEN_BUILTIN_CAST,
@@ -238,6 +242,8 @@ static const LexerToken LEXER_BUILTIN_TOKENS[] = {
     LEXER_TOKEN_BUILTIN_GREATER_OR_EQUAL,
     LEXER_TOKEN_BUILTIN_SMALLER_OR_EQUAL,
     LEXER_TOKEN_BUILTIN_PUTC,
+    LEXER_TOKEN_BUILTIN_C_LIBRARY,
+    LEXER_TOKEN_BUILTIN_C_FUNCTION,
 };
 static const size_t LEXER_BUILTIN_SIZE =
     sizeof(LEXER_BUILTIN_TOKENS) / sizeof(*LEXER_BUILTIN_TOKENS);
diff --git a/src/compiler/lexer.h b/src/compiler/lexer.h
index 925c16f..d07f7e7 100644
--- a/src/compiler/lexer.h
+++ b/src/compiler/lexer.h
@@ -32,6 +32,8 @@ typedef enum LexerToken {
   LEXER_TOKEN_BUILTIN_GREATER_OR_EQUAL,
   LEXER_TOKEN_BUILTIN_SMALLER_OR_EQUAL,
   LEXER_TOKEN_BUILTIN_PUTC,
+  LEXER_TOKEN_BUILTIN_C_LIBRARY,
+  LEXER_TOKEN_BUILTIN_C_FUNCTION,
   LEXER_TOKEN_KEYWORD_TYPE,
   LEXER_TOKEN_KEYWORD_VOID,
   LEXER_TOKEN_KEYWORD_I8,
diff --git a/src/runner/runner.c b/src/runner/runner.c
index f1e8afa..24e8e3b 100644
--- a/src/runner/runner.c
+++ b/src/runner/runner.c
@@ -922,7 +922,7 @@ AstTree *runAstTreeBuiltin(AstTree *tree, AstTreeScope *scope,
     return ret;
   }
   case AST_TREE_TOKEN_BUILTIN_PUTC: {
-    putchar((u8) * (AstTreeInt *)arguments[0]->metadata);
+    putchar(*(u8*)arguments[0]->metadata);
     return copyAstTree(&AST_TREE_VOID_VALUE);
   }
   case AST_TREE_TOKEN_BUILTIN_IMPORT: