cache filenames as such instead of using code_cachedstring

[xonotic/gmqcc.git] / ast.h

diff --git a/ast.h b/ast.h
index a5eee195eff07d168b9f774e3e0a29831ebae73e..0664f2825895256c520f012f2b0d678597c061ab 100644 (file)
--- a/ast.h
+++ b/ast.h
@@ -36,6 +36,7 @@ typedef struct ast_function_s   ast_function;
 typedef struct ast_block_s      ast_block;
 typedef struct ast_binary_s     ast_binary;
 typedef struct ast_store_s      ast_store;
+typedef struct ast_binstore_s   ast_binstore;
 typedef struct ast_entfield_s   ast_entfield;
 typedef struct ast_ifthen_s     ast_ifthen;
 typedef struct ast_ternary_s    ast_ternary;
@@ -53,6 +54,7 @@ enum {
     TYPE_ast_block,
     TYPE_ast_binary,
     TYPE_ast_store,
+    TYPE_ast_binstore,
     TYPE_ast_entfield,
     TYPE_ast_ifthen,
     TYPE_ast_ternary,
@@ -64,6 +66,7 @@ enum {
 };
 
 #define ast_istype(x, t) ( ((ast_node_common*)x)->nodetype == (TYPE_##t) )
+#define ast_ctx(node) (((ast_node_common*)(node))->context)
 
 /* Node interface with common components
  */
@@ -104,6 +107,14 @@ typedef struct
     int                     vtype;
     ast_expression         *next;
     MEM_VECTOR_MAKE(ast_value*, params);
+    bool                    variadic;
+    /* 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_entfield for example can generate both if required.
+     */
+    ir_value               *outl;
+    ir_value               *outr;
 } ast_expression_common;
 MEM_VECTOR_PROTO(ast_expression_common, ast_value*, params);
 
@@ -133,14 +144,16 @@ struct ast_value_s
         const char   *vstring;
         int           ventity;
         ast_function *vfunc;
-        quaternion    vquat;
-        matrix        vmat;
     } constval;
 
+    /* usecount for the parser */
+    size_t uses;
+
     ir_value *ir_v;
 };
 
 ast_value* ast_value_new(lex_ctx ctx, const char *name, int qctype);
+ast_value* ast_value_copy(const ast_value *self);
 /* This will NOT delete an underlying ast_function */
 void ast_value_delete(ast_value*);
 
@@ -152,6 +165,11 @@ bool ast_global_codegen(ast_value *self, ir_builder *ir);
 
 bool GMQCC_WARN 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);
+
 /* Binary
  *
  * A value-returning binary expression.
@@ -172,6 +190,29 @@ void ast_binary_delete(ast_binary*);
 
 bool ast_binary_codegen(ast_binary*, ast_function*, bool lvalue, ir_value**);
 
+/* Binstore
+ *
+ * An assignment including a binary expression with the source as left operand.
+ * Eg. a += b; is a binstore { INSTR_STORE, INSTR_ADD, a, b }
+ */
+struct ast_binstore_s
+{
+    ast_expression_common expression;
+
+    int             opstore;
+    int             opbin;
+    ast_expression *dest;
+    ast_expression *source;
+};
+ast_binstore* ast_binstore_new(lex_ctx    ctx,
+                               int        storeop,
+                               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
  *
  * Regular unary expressions: not,neg
@@ -394,6 +435,7 @@ struct ast_block_s
 
     MEM_VECTOR_MAKE(ast_value*,      locals);
     MEM_VECTOR_MAKE(ast_expression*, exprs);
+    MEM_VECTOR_MAKE(ast_expression*, collect);
 };
 ast_block* ast_block_new(lex_ctx ctx);
 void ast_block_delete(ast_block*);
@@ -401,8 +443,10 @@ bool ast_block_set_type(ast_block*, ast_expression *from);
 
 MEM_VECTOR_PROTO(ast_block, ast_value*, locals);
 MEM_VECTOR_PROTO(ast_block, ast_expression*, exprs);
+MEM_VECTOR_PROTO(ast_block, ast_expression*, collect);
 
 bool ast_block_codegen(ast_block*, ast_function*, bool lvalue, ir_value**);
+bool ast_block_collect(ast_block*, ast_expression*);
 
 /* Function
  *