65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
#include "expr.h"
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#include "../node.h"
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static enum ivy_status add_child(
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struct parser_state *parent, struct ivy_ast_node *child)
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{
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struct expr_parser_state *state = (struct expr_parser_state *)parent;
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switch (state->s_type) {
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case EXPR_TYPE_STMT:
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return IVY_ERR_NOT_SUPPORTED;
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case EXPR_TYPE_ARITH:
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return arith_add_child(parent, child);
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default:
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return IVY_ERR_NOT_SUPPORTED;
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}
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}
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struct ast_node_type expr_node_ops = {
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.n_add_child = add_child,
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.n_state_size = sizeof(struct expr_parser_state),
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.n_node_size = sizeof(struct ivy_ast_expr_node),
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.n_token_parsers = {
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TOK_PARSER(IDENT, arith_parse_ident),
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TOK_PARSER(INT, arith_parse_operand),
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TOK_PARSER(DOUBLE, arith_parse_operand),
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TOK_PARSER(ATOM, arith_parse_operand),
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TOK_PARSER(STRING, arith_parse_operand),
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TOK_PARSER(STR_START, arith_parse_fstring),
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TOK_PARSER(SYMBOL, arith_parse_operator),
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TOK_PARSER(LABEL, arith_parse_label),
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},
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.n_symbol_parsers = {
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SYM_PARSER(LEFT_PAREN, arith_parse_left_paren),
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SYM_PARSER(RIGHT_PAREN, arith_parse_right_paren),
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SYM_PARSER(LEFT_BRACE, arith_parse_left_brace),
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SYM_PARSER(RIGHT_BRACE, arith_parse_right_brace),
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SYM_PARSER(LEFT_BRACKET, arith_parse_left_bracket),
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SYM_PARSER(RIGHT_BRACKET, arith_parse_right_bracket),
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SYM_PARSER(SEMICOLON, arith_parse_semicolon),
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SYM_PARSER(UNDERSCORE, arith_parse_operand),
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SYM_PARSER(CARET, arith_parse_caret),
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/* treat colons as empty labels */
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SYM_PARSER(COLON, arith_parse_label),
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SYM_PARSER(COMMA, arith_parse_comma),
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SYM_PARSER(DOT, arith_parse_dot),
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SYM_PARSER(BANG, arith_parse_bang),
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SYM_PARSER(EQUAL_RIGHT_ANGLE, arith_parse_equal_right_angle),
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},
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.n_keyword_parsers = {
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/* statement keywords */
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KW_PARSER(FOR, stmt_parse_for),
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KW_PARSER(WHILE, stmt_parse_while),
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KW_PARSER(MATCH, stmt_parse_match),
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KW_PARSER(IF, stmt_parse_if),
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KW_PARSER(THEN, stmt_parse_end),
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KW_PARSER(ELSE, stmt_parse_end),
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KW_PARSER(END, stmt_parse_end),
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/* operator/block keywords */
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KW_PARSER(IN, arith_parse_in),
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KW_PARSER(DO, arith_parse_do),
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}
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};
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