X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=ast.c;h=907a944d02f747bd8c00439be2ee1a654b9c6757;hb=c5f8fbb871f045f26e1b68b97a8ce197ff772ef8;hp=7487e2332798f0a4512f3602cfd802263ee46715;hpb=ca2b414c7c73f367472053b5a5c5fab17582cc14;p=xonotic%2Fgmqcc.git

diff --git a/ast.c b/ast.c
index 7487e23..907a944 100644
--- a/ast.c
+++ b/ast.c
@@ -651,7 +651,11 @@ ast_ternary* ast_ternary_new(lex_ctx ctx, ast_expression *cond, ast_expression *
     self->cond     = cond;
     self->on_true  = ontrue;
     self->on_false = onfalse;
-    self->phi_out  = NULL;
+
+    if (!ast_type_adopt(self, ontrue)) {
+        ast_ternary_delete(self);
+        return NULL;
+    }
 
     return self;
 }
@@ -784,8 +788,12 @@ bool ast_call_check_types(ast_call *self)
 
     for (i = 0; i < count; ++i) {
         if (!ast_compare_type(self->params[i], (ast_expression*)(func->expression.params[i]))) {
-            asterror(ast_ctx(self), "invalid type for parameter %u in function call",
-                     (unsigned int)(i+1));
+            char texp[1024];
+            char tgot[1024];
+            ast_type_to_string(self->params[i], tgot, sizeof(tgot));
+            ast_type_to_string((ast_expression*)func->expression.params[i], texp, sizeof(texp));
+            asterror(ast_ctx(self), "invalid type for parameter %u in function call: expected %s, got %s",
+                     (unsigned int)(i+1), texp, tgot);
             /* we don't immediately return */
             retval = false;
         }
@@ -932,7 +940,7 @@ const char* ast_function_label(ast_function *self, const char *prefix)
     size_t len;
     char  *from;
 
-    if (!opts_dump)
+    if (!opts_dump && !opts_dumpfin)
         return NULL;
 
     id  = (self->labelcount++);
@@ -1521,28 +1529,62 @@ bool ast_binary_codegen(ast_binary *self, ast_function *func, bool lvalue, ir_va
         ir_block *from_left, *from_right;
         ir_instr *phi;
         size_t    merge_id;
+        uint16_t  notop;
+
+        /* Note about casting to true boolean values:
+         * We use a single NOT for sub expressions, and an
+         * overall NOT at the end, and for that purpose swap
+         * all the jump conditions in order for the NOT to get
+         * doubled.
+         * ie: (a && b) usually becomes (!!a ? !!b : !!a)
+         * but we translate this to (!(!a ? !a : !b))
+         */
 
-        merge_id = vec_size(func->blocks);
+        merge_id = vec_size(func->ir_func->blocks);
         merge = ir_function_create_block(func->ir_func, ast_function_label(func, "sce_merge"));
 
         cgen = self->left->expression.codegen;
         if (!(*cgen)((ast_expression*)(self->left), func, false, &left))
             return false;
-
+        if (!OPTS_FLAG(PERL_LOGIC)) {
+            notop = type_not_instr[left->vtype];
+            if (notop == AINSTR_END) {
+                asterror(ast_ctx(self), "don't know how to cast to bool...");
+                return false;
+            }
+            left = ir_block_create_unary(func->curblock,
+                                         ast_function_label(func, "sce_not"),
+                                         notop,
+                                         left);
+        }
         from_left = func->curblock;
+
         other = ir_function_create_block(func->ir_func, ast_function_label(func, "sce_other"));
-        if (self->op == INSTR_AND) {
+        if ( !(self->op == INSTR_OR) != !OPTS_FLAG(PERL_LOGIC) ) {
             if (!ir_block_create_if(func->curblock, left, other, merge))
                 return false;
         } else {
             if (!ir_block_create_if(func->curblock, left, merge, other))
                 return false;
         }
+        /* use the likely flag */
+        vec_last(func->curblock->instr)->likely = true;
 
         func->curblock = other;
         cgen = self->right->expression.codegen;
         if (!(*cgen)((ast_expression*)(self->right), func, false, &right))
             return false;
+        if (!OPTS_FLAG(PERL_LOGIC)) {
+            notop = type_not_instr[right->vtype];
+            if (notop == AINSTR_END) {
+                asterror(ast_ctx(self), "don't know how to cast to bool...");
+                return false;
+            }
+            right = ir_block_create_unary(func->curblock,
+                                          ast_function_label(func, "sce_not"),
+                                          notop,
+                                          right);
+        }
         from_right = func->curblock;
 
         if (!ir_block_create_jump(func->curblock, merge))
@@ -1556,6 +1598,19 @@ bool ast_binary_codegen(ast_binary *self, ast_function *func, bool lvalue, ir_va
         ir_phi_add(phi, from_left, left);
         ir_phi_add(phi, from_right, right);
         *out = ir_phi_value(phi);
+        if (!OPTS_FLAG(PERL_LOGIC)) {
+            notop = type_not_instr[(*out)->vtype];
+            if (notop == AINSTR_END) {
+                asterror(ast_ctx(self), "don't know how to cast to bool...");
+                return false;
+            }
+            *out = ir_block_create_unary(func->curblock,
+                                         ast_function_label(func, "sce_final_not"),
+                                         notop,
+                                         *out);
+        }
+        if (!*out)
+            return false;
         self->expression.outr = *out;
         return true;
     }
@@ -1965,8 +2020,8 @@ bool ast_ternary_codegen(ast_ternary *self, ast_function *func, bool lvalue, ir_
      * may still happen, thus we remember a created ir_value and simply return one
      * if it already exists.
      */
-    if (self->phi_out) {
-        *out = self->phi_out;
+    if (self->expression.outr) {
+        *out = self->expression.outr;
         return true;
     }
 
@@ -2040,8 +2095,8 @@ bool ast_ternary_codegen(ast_ternary *self, ast_function *func, bool lvalue, ir_
     ir_phi_add(phi, ontrue,  trueval);
     ir_phi_add(phi, onfalse, falseval);
 
-    self->phi_out = ir_phi_value(phi);
-    *out = self->phi_out;
+    self->expression.outr = ir_phi_value(phi);
+    *out = self->expression.outr;
 
     return true;
 }