gitignore: add gmqcc, gmqpak, qmcvm, testsuite, pak.

[xonotic/gmqcc.git] / ast.h

diff --git a/ast.h b/ast.h
index 5f553798980ad9c1ea216dd31ea658b9228a192f..bae07db39ec85c13481a10ecec947ece7f0c7ce8 100644 (file)
--- a/ast.h
+++ b/ast.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012
+ * Copyright (C) 2012, 2013
  *     Wolfgang Bumiller
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
@@ -132,6 +132,10 @@ typedef struct
     size_t                  count;
     ast_value*             *params;
     uint32_t                flags;
+    /* void foo(string...) gets varparam set as a restriction
+     * for variadic parameters
+     */
+    ast_expression         *varparam;
     /* The codegen functions should store their output values
      * so we can call it multiple times without re-evaluating.
      * Store lvalue and rvalue seperately though. So that
@@ -145,6 +149,9 @@ typedef struct
 #define AST_FLAG_INLINE       (1<<2)
 #define AST_FLAG_INITIALIZED  (1<<3)
 #define AST_FLAG_DEPRECATED   (1<<4)
+#define AST_FLAG_INCLUDE_DEF  (1<<5)
+#define AST_FLAG_IS_VARARG    (1<<6)
+#define AST_FLAG_ALIAS        (1<<7)
 #define AST_FLAG_TYPE_MASK (AST_FLAG_VARIADIC | AST_FLAG_NORETURN)
 
 /* Value
@@ -161,6 +168,8 @@ struct ast_value_s
     const char *name;
     const char *desc;
 
+    const char *argcounter;
+
     /*
     int         vtype;
     ast_value  *next;
@@ -168,6 +177,7 @@ struct ast_value_s
 
     int  cvq;     /* const/var qualifier */
     bool isfield; /* this declares a field */
+    bool isimm;   /* an immediate, not just const */
     bool hasvalue;
     union {
         double        vfloat;
@@ -207,9 +217,16 @@ void ast_value_params_add(ast_value*, ast_value*);
 bool ast_compare_type(ast_expression *a, ast_expression *b);
 ast_expression* ast_type_copy(lex_ctx ctx, const ast_expression *ex);
 #define ast_type_adopt(a, b) ast_type_adopt_impl((ast_expression*)(a), (ast_expression*)(b))
-bool ast_type_adopt_impl(ast_expression *self, const ast_expression *other);
+void ast_type_adopt_impl(ast_expression *self, const ast_expression *other);
 void ast_type_to_string(ast_expression *e, char *buf, size_t bufsize);
 
+typedef enum ast_binary_ref_s {
+    AST_REF_LEFT  = 1 << 1,
+    AST_REF_RIGHT = 1 << 2,
+    AST_REF_ALL   = (AST_REF_LEFT | AST_REF_RIGHT)
+} ast_binary_ref;
+
+
 /* Binary
  *
  * A value-returning binary expression.
@@ -221,6 +238,8 @@ struct ast_binary_s
     int             op;
     ast_expression *left;
     ast_expression *right;
+    ast_binary_ref  refs;
+
 };
 ast_binary* ast_binary_new(lex_ctx    ctx,
                            int        op,
@@ -525,9 +544,11 @@ struct ast_label_s
     const char *name;
     ir_block   *irblock;
     ast_goto  **gotos;
+    /* means it has not yet been defined */
+    bool        undefined;
 };
 
-ast_label* ast_label_new(lex_ctx ctx, const char *name);
+ast_label* ast_label_new(lex_ctx ctx, const char *name, bool undefined);
 void ast_label_delete(ast_label*);
 void ast_label_register_goto(ast_label*, ast_goto*);
 
@@ -566,6 +587,7 @@ struct ast_call_s
     ast_expression_common expression;
     ast_expression *func;
     ast_expression* *params;
+    ast_expression *va_count;
 };
 ast_call* ast_call_new(lex_ctx ctx,
                        ast_expression *funcexpr);
@@ -586,7 +608,7 @@ struct ast_block_s
 };
 ast_block* ast_block_new(lex_ctx ctx);
 void ast_block_delete(ast_block*);
-bool ast_block_set_type(ast_block*, ast_expression *from);
+void ast_block_set_type(ast_block*, ast_expression *from);
 
 bool ast_block_codegen(ast_block*, ast_function*, bool lvalue, ir_value**);
 void ast_block_collect(ast_block*, ast_expression*);
@@ -634,6 +656,10 @@ struct ast_function_s
     char         labelbuf[64];
 
     ast_block* *blocks;
+
+    ast_value   *varargs;
+    ast_value   *argc;
+    ast_value   *fixedparams;
 };
 ast_function* ast_function_new(lex_ctx ctx, const char *name, ast_value *vtype);
 /* This will NOT delete the underlying ast_value */