/*
- * Copyright (C) 2012
+ * Copyright (C) 2012, 2013
* Wolfgang Bumiller
+ * Dale Weiler
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
bool side_effects;
} ast_node_common;
-#define ast_delete(x) ( ( (ast_node*)(x) ) -> node.destroy )((ast_node*)(x))
+#define ast_delete(x) (*( ((ast_node*)(x))->node.destroy ))((ast_node*)(x))
#define ast_unref(x) do \
{ \
if (! (((ast_node*)(x))->node.keep) ) { \
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
} ast_expression_common;
#define AST_FLAG_VARIADIC (1<<0)
#define AST_FLAG_NORETURN (1<<1)
+#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
*
* typedef float foo;
* is like creating a 'float foo', foo serving as the type's name.
*/
+typedef union {
+ double vfloat;
+ int vint;
+ vector vvec;
+ const char *vstring;
+ int ventity;
+ ast_function *vfunc;
+ ast_value *vfield;
+} basic_value_t;
struct ast_value_s
{
ast_expression_common expression;
const char *name;
+ const char *desc;
+
+ const char *argcounter;
/*
int vtype;
int cvq; /* const/var qualifier */
bool isfield; /* this declares a field */
+ bool isimm; /* an immediate, not just const */
bool hasvalue;
- union {
- double vfloat;
- int vint;
- vector vvec;
- const char *vstring;
- int ventity;
- ast_function *vfunc;
- ast_value *vfield;
- } constval;
+ basic_value_t constval;
+ /* for TYPE_ARRAY we have an optional vector
+ * of constants when an initializer list
+ * was provided.
+ */
+ basic_value_t *initlist;
/* usecount for the parser */
size_t uses;
bool ast_value_set_name(ast_value*, const char *name);
+/*
bool ast_value_codegen(ast_value*, ast_function*, bool lvalue, ir_value**);
bool ast_local_codegen(ast_value *self, ir_function *func, bool isparam);
+*/
+
bool ast_global_codegen(ast_value *self, ir_builder *ir, bool isfield);
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.
int op;
ast_expression *left;
ast_expression *right;
+ ast_binary_ref refs;
+
};
ast_binary* ast_binary_new(lex_ctx ctx,
int op,
ast_expression *left,
ast_expression *right);
-void ast_binary_delete(ast_binary*);
-
-bool ast_binary_codegen(ast_binary*, ast_function*, bool lvalue, ir_value**);
/* Binstore
*
int op,
ast_expression *left,
ast_expression *right);
-void ast_binstore_delete(ast_binstore*);
-
-bool ast_binstore_codegen(ast_binstore*, ast_function*, bool lvalue, ir_value**);
/* Unary
*
ast_unary* ast_unary_new(lex_ctx ctx,
int op,
ast_expression *expr);
-void ast_unary_delete(ast_unary*);
-
-bool ast_unary_codegen(ast_unary*, ast_function*, bool lvalue, ir_value**);
/* Return
*
};
ast_return* ast_return_new(lex_ctx ctx,
ast_expression *expr);
-void ast_return_delete(ast_return*);
-
-bool ast_return_codegen(ast_return*, ast_function*, bool lvalue, ir_value**);
/* Entity-field
*
};
ast_entfield* ast_entfield_new(lex_ctx ctx, ast_expression *entity, ast_expression *field);
ast_entfield* ast_entfield_new_force(lex_ctx ctx, ast_expression *entity, ast_expression *field, const ast_expression *outtype);
-void ast_entfield_delete(ast_entfield*);
-
-bool ast_entfield_codegen(ast_entfield*, ast_function*, bool lvalue, ir_value**);
/* Member access:
*
ast_expression *owner;
unsigned int field;
const char *name;
+ bool rvalue;
};
ast_member* ast_member_new(lex_ctx ctx, ast_expression *owner, unsigned int field, const char *name);
void ast_member_delete(ast_member*);
bool ast_member_set_name(ast_member*, const char *name);
-bool ast_member_codegen(ast_member*, ast_function*, bool lvalue, ir_value**);
/* Array index access:
*
ast_expression *index;
};
ast_array_index* ast_array_index_new(lex_ctx ctx, ast_expression *array, ast_expression *index);
-void ast_array_index_delete(ast_array_index*);
-
-bool ast_array_index_codegen(ast_array_index*, ast_function*, bool lvalue, ir_value**);
/* Store
*
};
ast_store* ast_store_new(lex_ctx ctx, int op,
ast_expression *d, ast_expression *s);
-void ast_store_delete(ast_store*);
-
-bool ast_store_codegen(ast_store*, ast_function*, bool lvalue, ir_value**);
/* If
*
ast_expression *on_false;
};
ast_ifthen* ast_ifthen_new(lex_ctx ctx, ast_expression *cond, ast_expression *ontrue, ast_expression *onfalse);
-void ast_ifthen_delete(ast_ifthen*);
-
-bool ast_ifthen_codegen(ast_ifthen*, ast_function*, bool lvalue, ir_value**);
/* Ternary expressions...
*
ast_expression *on_false;
};
ast_ternary* ast_ternary_new(lex_ctx ctx, ast_expression *cond, ast_expression *ontrue, ast_expression *onfalse);
-void ast_ternary_delete(ast_ternary*);
-
-bool ast_ternary_codegen(ast_ternary*, ast_function*, bool lvalue, ir_value**);
/* A general loop node
*
ast_expression *postcond, bool post_not,
ast_expression *increment,
ast_expression *body);
-void ast_loop_delete(ast_loop*);
-
-bool ast_loop_codegen(ast_loop*, ast_function*, bool lvalue, ir_value**);
/* Break/Continue
*/
struct ast_breakcont_s
{
ast_expression_common expression;
- bool is_continue;
+ bool is_continue;
+ unsigned int levels;
};
-ast_breakcont* ast_breakcont_new(lex_ctx ctx, bool iscont);
-void ast_breakcont_delete(ast_breakcont*);
-
-bool ast_breakcont_codegen(ast_breakcont*, ast_function*, bool lvalue, ir_value**);
+ast_breakcont* ast_breakcont_new(lex_ctx ctx, bool iscont, unsigned int levels);
/* Switch Statements
*
};
ast_switch* ast_switch_new(lex_ctx ctx, ast_expression *op);
-void ast_switch_delete(ast_switch*);
-
-bool ast_switch_codegen(ast_switch*, ast_function*, bool lvalue, ir_value**);
/* Label nodes
*
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);
-void ast_label_delete(ast_label*);
-void ast_label_register_goto(ast_label*, ast_goto*);
-
-bool ast_label_codegen(ast_label*, ast_function*, bool lvalue, ir_value**);
+ast_label* ast_label_new(lex_ctx ctx, const char *name, bool undefined);
/* GOTO nodes
*
};
ast_goto* ast_goto_new(lex_ctx ctx, const char *name);
-void ast_goto_delete(ast_goto*);
void ast_goto_set_label(ast_goto*, ast_label*);
-bool ast_goto_codegen(ast_goto*, ast_function*, bool lvalue, ir_value**);
-
/* CALL node
*
* Contains an ast_expression as target, rather than an ast_function/value.
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);
-void ast_call_delete(ast_call*);
-bool ast_call_codegen(ast_call*, ast_function*, bool lvalue, ir_value**);
bool ast_call_check_types(ast_call*);
/* Blocks
};
ast_block* ast_block_new(lex_ctx ctx);
void ast_block_delete(ast_block*);
-bool ast_block_set_type(ast_block*, ast_expression *from);
-
-bool ast_block_codegen(ast_block*, ast_function*, bool lvalue, ir_value**);
+void ast_block_set_type(ast_block*, ast_expression *from);
void ast_block_collect(ast_block*, ast_expression*);
bool GMQCC_WARN ast_block_add_expr(ast_block*, ast_expression*);
ir_function *ir_func;
ir_block *curblock;
- ir_block *breakblock;
- ir_block *continueblock;
+ ir_block **breakblocks;
+ ir_block **continueblocks;
#if 0
/* In order for early-out logic not to go over
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 */
/* For "optimized" builds this can just keep returning "foo"...
* or whatever...
*/
-const char* ast_function_label(ast_function*, const char *prefix);
+/*const char* ast_function_label(ast_function*, const char *prefix);*/
bool ast_function_codegen(ast_function *self, ir_builder *builder);
bool ast_generate_accessors(ast_value *asvalue, ir_builder *ir);
union ast_expression_u
{
ast_expression_common expression;
-
- ast_value value;
- ast_binary binary;
- ast_block block;
- ast_ternary ternary;
- ast_ifthen ifthen;
- ast_store store;
- ast_entfield entfield;
};
/* Node union
union ast_node_u
{
ast_node_common node;
- ast_expression expression;
};
#endif
projects / xonotic / gmqcc.git / blobdiff