very simple ast expension working
This commit is contained in:
Maieul BOYER
parent
dc3f8cfba9
commit
c10ce8b165
5 changed files with 118 additions and 25 deletions
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@ -213,9 +213,7 @@ void ast_free(t_ast_node elem)
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{
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mem_free(elem->data.regex.pattern);
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}
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if (elem->kind == AST_NUMBER)
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{
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}
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mem_free(elem);
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}
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@ -376,10 +374,6 @@ t_ast_node ast_alloc(t_ast_node_kind kind)
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{
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ret->data.regex.pattern = NULL;
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}
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if (kind == AST_NUMBER)
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{
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ret->data.number.number = 0;
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}
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return (ret);
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}
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@ -496,6 +490,57 @@ t_str _extract_str(t_parse_node self, t_const_str input)
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result = str_substring(input, start, end - start);
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return (result);
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}
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/*
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E_OP_NONE = 0, // ${var}
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E_OP_DEFAULT, // ${var-word}
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E_OP_ASSIGN_DEFAULT, // ${var=word}
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E_OP_ERROR, // ${var?word}
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E_OP_ALTERNATE, // ${var+word}
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E_OP_DEFAULT_COLON, // ${var:-word}
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E_OP_ASSIGN_DEFAULT_COLON, // ${var:=word}
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E_OP_ERROR_COLON, // ${var:?word}
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E_OP_ALTERNATE_COLON, // ${var:+word}
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E_OP_LENGTH, // ${#var}
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E_OP_SMALLEST_PREFIX, // ${var#pattern}
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E_OP_LARGEST_PREFIX, // ${var##pattern}
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E_OP_SMALLEST_SUFFIX, // ${var%pattern}
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E_OP_LARGEST_SUFFIX, // ${var%%pattern}
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*/
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t_ast_expansion_operator _extract_exp_op(t_parse_node self, t_usize child_index)
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{
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t_ast_expansion_operator kind;
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t_symbol symbol;
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kind = E_OP_NONE;
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symbol = ts_node_grammar_symbol(self);
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if (symbol == anon_sym_DASH)
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kind = E_OP_DEFAULT;
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if (symbol == anon_sym_EQ)
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kind = E_OP_ASSIGN_DEFAULT;
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if (symbol == anon_sym_QMARK)
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kind = E_OP_ERROR;
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if (symbol == anon_sym_PLUS)
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kind = E_OP_ALTERNATE;
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if (symbol == anon_sym_COLON_DASH)
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kind = E_OP_DEFAULT_COLON;
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if (symbol == anon_sym_COLON_EQ)
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kind = E_OP_ASSIGN_DEFAULT_COLON;
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if (symbol == anon_sym_COLON_QMARK)
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kind = E_OP_ERROR_COLON;
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if (symbol == anon_sym_COLON_PLUS)
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kind = E_OP_ALTERNATE_COLON;
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if (symbol == anon_sym_POUND)
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kind = E_OP_SMALLEST_PREFIX;
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if (symbol == sym__immediate_double_hash)
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kind = E_OP_LARGEST_PREFIX;
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if (symbol == anon_sym_PERCENT)
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kind = E_OP_SMALLEST_SUFFIX;
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if (symbol == anon_sym_PERCENT_PERCENT)
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kind = E_OP_LARGEST_SUFFIX;
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if (symbol == anon_sym_POUND && child_index == 1)
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kind = E_OP_LENGTH;
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return (kind);
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}
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t_ast_redirection_kind _get_redirection_op(t_parse_node self)
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{
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@ -554,6 +599,8 @@ t_error build_sym_variable_assignment(t_parse_node self, t_const_str input, t_as
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t_error build_sym_while_statement(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_word(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_simple_expansion(t_parse_node self, t_const_str input, t_ast_node *out);
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/* FUNCTION THAT ARE NOT DONE */
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t_error build_sym_arithmetic_binary_expression(t_parse_node self, t_const_str input, t_ast_node *out);
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@ -562,16 +609,14 @@ t_error build_sym_arithmetic_parenthesized_expression(t_parse_node self, t_const
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t_error build_sym_arithmetic_postfix_expression(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_arithmetic_ternary_expression(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_arithmetic_unary_expression(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_arithmetic_expansion(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_command_substitution(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_expansion(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_expansion_expression(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_expansion_regex(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_simple_expansion(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_heredoc_redirect(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_simple_heredoc_body(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_heredoc_body(t_parse_node self, t_const_str input, t_ast_node *out);
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t_error build_sym_heredoc_content(t_parse_node self, t_const_str input, t_ast_node *out);
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@ -580,6 +625,66 @@ t_error build_sym_heredoc_start(t_parse_node self, t_const_str input, t_ast_node
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#include <stdio.h>
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t_error build_sym_expansion(t_parse_node self, t_const_str input, t_ast_node *out)
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{
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t_ast_node ret;
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t_ast_node tmp;
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t_usize i;
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(void)(out);
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(void)(input);
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(void)(self);
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if (out == NULL)
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return (ERROR);
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if (ts_node_symbol(self) != sym_simple_expansion)
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return (ERROR);
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ret = ast_alloc(AST_EXPANSION);
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ret->data.expansion.kind = E_OP_NONE;
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i = 0;
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while (i < ts_node_child_count(self))
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{
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if (!ts_node_is_named(ts_node_child(self, i)) && (i++, true))
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continue;
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if (ts_node_field_id_for_child(self, i) == field_variable)
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ret->data.expansion.var_name = _extract_str(ts_node_child(self, i), input);
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else if (ts_node_field_id_for_child(self, i) == field_op)
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ret->data.expansion.kind = _extract_exp_op(ts_node_child(self, i), i);
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else
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{
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if (ast_from_node(ts_node_child(self, i), input, &tmp))
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return (ast_free(ret), ERROR);
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vec_ast_push(&ret->data.expansion.args, tmp);
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}
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i++;
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}
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return (*out = ret, NO_ERROR);
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}
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t_error build_sym_simple_expansion(t_parse_node self, t_const_str input, t_ast_node *out)
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{
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t_ast_node ret;
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t_usize i;
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(void)(out);
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(void)(input);
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(void)(self);
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if (out == NULL)
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return (ERROR);
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if (ts_node_symbol(self) != sym_simple_expansion)
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return (ERROR);
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ret = ast_alloc(AST_EXPANSION);
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ret->data.expansion.kind = E_OP_NONE;
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i = 0;
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while (i < ts_node_child_count(self))
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{
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if (!ts_node_is_named(ts_node_child(self, i)) && (i++, true))
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continue;
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ret->data.expansion.var_name = _extract_str(ts_node_child(self, i), input);
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i++;
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}
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return (*out = ret, NO_ERROR);
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}
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t_error build_sym_file_descriptor(t_parse_node self, t_const_str input, t_ast_node *out)
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{
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t_ast_node ret;
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@ -589,7 +694,7 @@ t_error build_sym_file_descriptor(t_parse_node self, t_const_str input, t_ast_no
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(void)(self);
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if (out == NULL)
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return (ERROR);
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if (ts_node_symbol(self) != sym_regex)
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if (ts_node_symbol(self) != sym_file_descriptor)
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return (ERROR);
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ret = ast_alloc(AST_RAW_STRING);
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ret->data.raw_string.str = _extract_str(self, input);
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@ -606,7 +711,7 @@ t_error build_sym_number(t_parse_node self, t_const_str input, t_ast_node *out)
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(void)(self);
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if (out == NULL)
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return (ERROR);
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if (ts_node_symbol(self) != sym_regex)
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if (ts_node_symbol(self) != sym_number)
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return (ERROR);
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ret = ast_alloc(AST_RAW_STRING);
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ret->data.raw_string.str = _extract_str(self, input);
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