New dmnsn_malloc() function, and friends.

I'm tired of checking for malloc failures everywhere, considering it never
happens.  So just bail out whenever it does.  A lot of stuff is guaranteed
to succeed if it returns now.

1 files changed, 3 insertions, 14 deletions

diff --git a/dimension/common.rules b/dimension/common.rules
index e477df5..e604b9f 100644
--- a/dimension/common.rules
+++ b/dimension/common.rules
@@ -29,10 +29,7 @@ IDENTIFIER: "identifier" {
               symbol = dmnsn_find_symbol(symtable, id);
             }
             $$ = dmnsn_new_astnode(DMNSN_AST_IDENTIFIER, @$);
-            $$.ptr = strdup(id);
-            if (!$$.ptr)
-              dmnsn_error(DMNSN_SEVERITY_HIGH,
-                          "Couldn't allocate room for identifier.");
+            $$.ptr = dmnsn_strdup(id);
             free($1);
           }
 ;
@@ -410,21 +407,13 @@ FLOAT: ARITH_EXPR {
 
 FLOAT_LITERAL: "integer" {
                $$ = dmnsn_new_astnode(DMNSN_AST_INTEGER, @$);
-               $$.ptr = malloc(sizeof(long));
-               if (!$$.ptr)
-                 dmnsn_error(DMNSN_SEVERITY_HIGH,
-                             "Failed to allocate room for integer.");
-
+               $$.ptr = dmnsn_malloc(sizeof(long));
                *(long *)$$.ptr = strtol($1, NULL, 0);
                free($1);
              }
              | "float" {
                $$ = dmnsn_new_astnode(DMNSN_AST_FLOAT, @$);
-               $$.ptr = malloc(sizeof(double));
-               if (!$$.ptr)
-                 dmnsn_error(DMNSN_SEVERITY_HIGH,
-                             "Failed to allocate room for float.");
-
+               $$.ptr = dmnsn_malloc(sizeof(double));
                *(double *)$$.ptr = strtod($1, NULL);
                free($1);
              }