74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
#include "unit-package.h"
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#include "ctx.h"
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#include "node.h"
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static enum ivy_status parse_dot(struct ivy_parser *ctx, struct ivy_token *tok)
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{
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struct unit_package_parser_state *state
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= parser_get_state(ctx, struct unit_package_parser_state);
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if (state->s_prev_token != IVY_TOK_IDENT) {
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return IVY_ERR_BAD_SYNTAX;
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}
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state->s_prev_token = IVY_SYM_DOT;
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return IVY_OK;
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}
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static enum ivy_status parse_ident(struct ivy_parser *ctx, struct ivy_token *tok)
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{
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struct unit_package_parser_state *state
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= parser_get_state(ctx, struct unit_package_parser_state);
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if (state->s_prev_token == IVY_TOK_IDENT) {
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return IVY_ERR_BAD_SYNTAX;
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}
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state->s_prev_token = IVY_TOK_IDENT;
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return IVY_OK;
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}
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static enum ivy_status parse_linefeed(struct ivy_parser *ctx, struct ivy_token *tok)
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{
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struct unit_package_parser_state *state
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= parser_get_state(ctx, struct unit_package_parser_state);
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if (state->s_prev_token != IVY_TOK_IDENT) {
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return IVY_ERR_BAD_SYNTAX;
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}
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return IVY_ERR_IO_FAILURE;
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}
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static enum ivy_status add_child(
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struct ivy_ast_node *parent, struct ivy_ast_node *child)
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{
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return IVY_OK;
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}
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static void print(struct ivy_ast_node *node)
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{
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}
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static void init_state(struct parser_state *sp)
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{
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struct unit_package_parser_state *state
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= (struct unit_package_parser_state *)sp;
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state->s_prev_token = IVY_KW_PACKAGE;
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}
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struct ast_node_type unit_package_node_ops = {
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.n_add_child = add_child,
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.n_print = print,
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.n_init_state = init_state,
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.n_symbol_parsers = {
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[IVY_SYM_DOT] = parse_dot,
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},
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.n_token_parsers = {
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[IVY_TOK_IDENT] = parse_ident,
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[IVY_TOK_LINEFEED] = parse_linefeed,
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}
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};
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