X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=ast.h;h=9b554214361258d9ddebf140e5107ccdaee7466f;hp=049feb9223a74ad40b51a133370c84eb95cc08cf;hb=d5e90a17f92ddcfbb425e79995afb7b3d4a1ecc7;hpb=921877e8a4d7b5221762490d3f6e3b3666e4381b diff --git a/ast.h b/ast.h index 049feb9..9b55421 100644 --- 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 @@ -159,6 +166,9 @@ struct ast_value_s ast_expression_common expression; const char *name; + const char *desc; + + const char *argcounter; /* int vtype; @@ -206,9 +216,16 @@ 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. @@ -220,6 +237,8 @@ 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, @@ -524,9 +543,11 @@ 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*); @@ -565,6 +586,7 @@ 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); @@ -585,7 +607,7 @@ 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*); @@ -633,6 +655,10 @@ 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 */