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-rw-r--r--dimension/parse.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/dimension/parse.c b/dimension/parse.c
index da35c0d..7edf22a 100644
--- a/dimension/parse.c
+++ b/dimension/parse.c
@@ -633,6 +633,10 @@ dmnsn_eval_unary(dmnsn_astnode astnode, dmnsn_symbol_table *symtable)
dmnsn_make_ast_integer(&ret, -n);
break;
+ case DMNSN_AST_EXP:
+ dmnsn_make_ast_float(&ret, exp(n));
+ break;
+
default:
dmnsn_diagnostic(astnode.filename, astnode.line, astnode.col,
"Invalid unary operator '%s' on %s",
@@ -658,6 +662,10 @@ dmnsn_eval_unary(dmnsn_astnode astnode, dmnsn_symbol_table *symtable)
dmnsn_make_ast_float(&ret, -n);
break;
+ case DMNSN_AST_EXP:
+ dmnsn_make_ast_float(&ret, exp(n));
+ break;
+
default:
dmnsn_diagnostic(astnode.filename, astnode.line, astnode.col,
"Invalid unary operator '%s' on %s",
@@ -1061,6 +1069,7 @@ dmnsn_eval(dmnsn_astnode astnode, dmnsn_symbol_table *symtable)
case DMNSN_AST_DOT_T:
case DMNSN_AST_DOT_TRANSMIT:
case DMNSN_AST_NEGATE:
+ case DMNSN_AST_EXP:
return dmnsn_eval_unary(astnode, symtable);
case DMNSN_AST_ADD: