50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
#include "misc.h"
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#include "mpconfig.h"
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#include "repl.h"
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#if MICROPY_ENABLE_REPL_HELPERS
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bool str_startswith_word(const char *str, const char *head) {
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int i;
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for (i = 0; str[i] && head[i]; i++) {
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if (str[i] != head[i]) {
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return false;
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}
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}
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return head[i] == '\0' && (str[i] == '\0' || !unichar_isalpha(str[i]));
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}
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bool mp_repl_is_compound_stmt(const char *line) {
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// compound if line starts with a certain keyword
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if (
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str_startswith_word(line, "if")
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|| str_startswith_word(line, "while")
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|| str_startswith_word(line, "for")
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|| str_startswith_word(line, "true")
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|| str_startswith_word(line, "with")
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|| str_startswith_word(line, "def")
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|| str_startswith_word(line, "class")
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|| str_startswith_word(line, "@")
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) {
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return true;
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}
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// also "compound" if unmatched open bracket
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int n_paren = 0;
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int n_brack = 0;
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int n_brace = 0;
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for (const char *l = line; *l; l++) {
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switch (*l) {
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case '(': n_paren += 1; break;
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case ')': n_paren -= 1; break;
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case '[': n_brack += 1; break;
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case ']': n_brack -= 1; break;
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case '{': n_brace += 1; break;
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case '}': n_brace -= 1; break;
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}
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}
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return n_paren > 0 || n_brack > 0 || n_brace > 0;
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}
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#endif // MICROPY_ENABLE_REPL_HELPERS
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