wash
edfb3e24a3
bshell: the front-end binary bshell.runtime: contains the parser, compiler, and classes needed to run bshell scripts bshell.core: contains the builtin commandlets and aliases
56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
#include "syntax.h"
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#include <bshell/ast.h>
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#include <bshell/parse/lex.h>
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#include <bshell/parse/parse.h>
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#include <bshell/parse/token.h>
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#include <stdio.h>
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#include <string.h>
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enum bshell_status bshell_parse_ctx_init(struct bshell_parse_ctx *ctx, struct bshell_lex_ctx *src)
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{
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memset(ctx, 0x0, sizeof *ctx);
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ctx->p_src = src;
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return BSHELL_SUCCESS;
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}
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void bshell_parse_ctx_cleanup(struct bshell_parse_ctx *ctx)
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{
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}
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struct bshell_ast_node *bshell_parse_ctx_read_node(struct bshell_parse_ctx *ctx)
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{
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parse_symbol(ctx, BSHELL_SYM_SEMICOLON);
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parse_linefeed(ctx);
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struct bshell_ast_node *result = NULL;
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bool ok = parse_statement(ctx, &result);
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return ok ? result : NULL;
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}
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void report_error(struct bshell_parse_ctx *ctx, const char *format, ...)
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{
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ctx->p_status = BSHELL_ERR_BAD_SYNTAX;
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fprintf(stderr, "PARSE: ");
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va_list arg;
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va_start(arg, format);
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vfprintf(stderr, format, arg);
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va_end(arg);
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fprintf(stderr, "\n");
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struct bshell_lex_token *tok = peek_token(ctx);
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fprintf(stderr, " peek_token = ");
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#if 0
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if (tok) {
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print_bshell_lex_token(tok);
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} else {
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fprintf(stderr, " EOF\n");
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}
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#endif
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}
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