From 551e668e1b7a030fdff236067963100c7d8747a5 Mon Sep 17 00:00:00 2001 From: Charles Date: Wed, 1 Apr 2020 13:03:26 +0200 Subject: Added AST functions, tested eval with basic input --- src/ast.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 src/ast.c (limited to 'src/ast.c') diff --git a/src/ast.c b/src/ast.c new file mode 100644 index 0000000..7c3fb8f --- /dev/null +++ b/src/ast.c @@ -0,0 +1,42 @@ +#include "ast.h" + +t_ast *ast_new(t_ast_tag tag, void *data) +{ + t_ast *ast; + + if (data == NULL) + return (NULL); + if ((ast = (t_ast*)malloc(sizeof(t_ast))) == NULL) + return (NULL); + ft_bzero(ast, sizeof(t_ast)); + ast->tag = tag; + if (tag == TAG_CMD) + ft_memcpy(&ast->data.cmd, (t_cmd*)data, sizeof(t_cmd)); + else if (tag == TAG_LINE) + ft_memcpy(&ast->data.line, (t_line*)data, sizeof(t_line)); + return (ast); +} + +static void cmd_destroy(t_cmd *cmd) +{ + ft_split_destroy(cmd->argv); + free(cmd->in); + free(cmd->out); +} + +static void line_destroy(t_line *line) +{ + ast_destroy(line->left); + ast_destroy(line->right); +} + +void ast_destroy(t_ast *ast) +{ + if (ast == NULL) + return ; + if (ast->tag == TAG_CMD) + cmd_destroy(&ast->data.cmd); + else if (ast->tag == TAG_LINE) + line_destroy(&ast->data.line); + free(ast); +} -- cgit