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/* See LICENSE file for copyright and license details. */
#include "common.h"
size_t
parse(struct parser_context *ctx, char *code, size_t code_len, size_t *nremovedp)
{
int end_of_file_reached;
size_t bytes_parsed = 0;
end_of_file_reached = ctx->end_of_file_reached;
ctx->end_of_file_reached = 0;
*nremovedp = 0;
while (ctx->preparser_offset < code_len) {
if (code[ctx->preparser_offset] == '\0') {
if (!ctx->tty_input)
weprintf("ignoring NUL byte at line %zu\n", ctx->preparser_line_number);
memmove(&code[ctx->preparser_offset],
&code[ctx->preparser_offset + 1],
(code_len -= 1) - ctx->preparser_offset);
*nremovedp += 1;
} else if (code[ctx->preparser_offset] == '\n') {
ctx->preparser_line_number += 1;
ctx->preparser_offset += 1;
} else if (code[ctx->preparser_offset] == '\\') {
if (ctx->preparser_offset + 1 == code_len)
break;
if (code[ctx->preparser_offset + 1] == '\n') {
bytes_parsed += parse_preparsed(ctx, &code[bytes_parsed], ctx->preparser_offset - bytes_parsed);
memmove(&code[ctx->preparser_offset],
&code[ctx->preparser_offset + 2],
(code_len -= 2) - ctx->preparser_offset);
*nremovedp += 2;
ctx->line_continuations += 1;
} else {
ctx->preparser_offset += 2;
}
} else {
ctx->preparser_offset += 1;
}
}
ctx->end_of_file_reached = end_of_file_reached;
bytes_parsed += parse_preparsed(ctx, &code[bytes_parsed], ctx->preparser_offset - bytes_parsed);
ctx->preparser_offset -= bytes_parsed;
return bytes_parsed;
}
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