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Starting to work on ternary parser

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This commit is contained in:
Raphaël 2024-07-22 15:43:17 +02:00
parent a00653bd30
commit 3260d8704e
4 changed files with 54 additions and 12 deletions
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40
ast/src/from_node.c
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@ -82,6 +82,10 @@ void ast_free(t_ast_node elem)
{
ast_free(elem->data.arithmetic_expansion.expr);
}
if (elem->kind == AST_ARITHMETIC_POSTFIX)
{
ast_free(elem->data.arithmetic_postfix.value);
}
if (elem->kind == AST_ARITHMETIC_BINARY)
{
ast_free(elem->data.arithmetic_binary.lhs);
@ -225,6 +229,11 @@ t_ast_node ast_alloc(t_ast_node_kind kind)
{
ret->data.arithmetic_expansion.expr = NULL;
}
if (kind == AST_ARITHMETIC_POSTFIX)
{
ret->data.arithmetic_postfix.value = NULL;
ret->data.arithmetic_postfix.op = 0;
}
if (kind == AST_ARITHMETIC_BINARY)
{
ret->data.arithmetic_binary.lhs = NULL;
@ -568,6 +577,7 @@ t_ast_redirection_kind _get_redirection_op(t_parse_node self)
return (me_abort("invalid redirection symbol"), 0);
}
// RAPH
t_ast_arithmetic_operator _parse_operator(t_parse_node self)
{
t_symbol symbol;
@ -583,6 +593,10 @@ t_ast_arithmetic_operator _parse_operator(t_parse_node self)
return (ARITH_DIVIDE);
if (symbol == anon_sym_PERCENT)
return (ARITH_MOD);
if (symbol == anon_sym_PLUS_PLUS)
return (ARITH_INCREMENT);
if (symbol == anon_sym_DASH_DASH)
return (ARITH_DECREMENT);
return (me_abort("invalid arithmetic operator"), 0);
}
@ -623,12 +637,12 @@ t_error build_sym_command_substitution(t_parse_node self, t_const_str input, t_a
/* FUNCTION DONE*/
t_error build_sym_arithmetic_binary_expression(t_parse_node self, t_const_str input, t_ast_node *out);
t_error build_sym_arithmetic_literal(t_parse_node self, t_const_str input, t_ast_node *out);
t_error build_sym_arithmetic_parenthesized_expression(t_parse_node self, t_const_str input, t_ast_node *out);
t_error build_sym_arithmetic_postfix_expression(t_parse_node self, t_const_str input, t_ast_node *out);
/* FUNCTION THAT ARE NOT DONE */
// TODO: This is your homework raph
t_error build_sym_arithmetic_parenthesized_expression(t_parse_node self, t_const_str input, t_ast_node *out);
t_error build_sym_arithmetic_postfix_expression(t_parse_node self, t_const_str input, t_ast_node *out);
t_error build_sym_arithmetic_ternary_expression(t_parse_node self, t_const_str input, t_ast_node *out);
t_error build_sym_arithmetic_unary_expression(t_parse_node self, t_const_str input, t_ast_node *out);
t_error build_sym_arithmetic_expansion(t_parse_node self, t_const_str input, t_ast_node *out);
@ -695,6 +709,28 @@ t_error build_sym_arithmetic_parenthesized_expression(t_parse_node self, t_const
return (ast_from_node(ts_node_child(self, 1), input, out));
}
t_error build_sym_arithmetic_postfix_expression(t_parse_node self, t_const_str input, t_ast_node *out)
{
t_ast_node ret;
t_ast_node tmp;
t_usize i;
if (out == NULL)
return (ERROR);
if (ts_node_symbol(self) != sym_arithmetic_postfix_expression)
return (ERROR);
ret = ast_alloc(AST_ARITHMETIC_POSTFIX);
if (ts_node_child_count(self) != 2)
return (ast_free(ret), ERROR);
if (ast_from_node(ts_node_child(self, 0), input, &ret->data.arithmetic_postfix.value))
return (ast_free(ret), ERROR);
if (ts_node_field_id_for_child(self, 1) == field_op)
ret->data.arithmetic_postfix.op = _parse_operator(ts_node_child(self, i));
else
return (ast_free(ret), ERROR);
return (*out = ret, NO_ERROR);
}
t_error build_sym_command_substitution(t_parse_node self, t_const_str input, t_ast_node *out)
{
t_ast_node ret;