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Return a character count from the lexer's get_column method

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This commit is contained in:
Max Brunsfeld 2017-12-20 16:26:38 -08:00
parent fcff16cb86
commit 0e69da37a5
20 changed files with 143 additions and 233 deletions
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25
src/runtime/length.h
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@ -8,16 +8,13 @@
typedef struct {
uint32_t bytes;
uint32_t chars;
TSPoint extent;
} Length;
static inline bool length_has_unknown_chars(Length self) {
return self.bytes > 0 && self.chars == 0;
}
static const Length LENGTH_UNDEFINED = {0, {0, 1}};
static inline void length_set_unknown_chars(Length *self) {
self->chars = 0;
static inline bool length_is_undefined(Length length) {
return length.bytes == 0 && length.extent.column != 0;
}
static inline Length length_min(Length len1, Length len2) {
@ -28,13 +25,6 @@ static inline Length length_add(Length len1, Length len2) {
Length result;
result.bytes = len1.bytes + len2.bytes;
result.extent = point_add(len1.extent, len2.extent);
if (length_has_unknown_chars(len1) || length_has_unknown_chars(len2)) {
result.chars = 0;
} else {
result.chars = len1.chars + len2.chars;
}
return result;
}
@ -42,18 +32,11 @@ static inline Length length_sub(Length len1, Length len2) {
Length result;
result.bytes = len1.bytes - len2.bytes;
result.extent = point_sub(len1.extent, len2.extent);
if (length_has_unknown_chars(len1) || length_has_unknown_chars(len2)) {
result.chars = 0;
} else {
result.chars = len1.chars - len2.chars;
}
return result;
}
static inline Length length_zero() {
Length result = {0, 0, {0, 0}};
Length result = {0, {0, 0}};
return result;
}