92 lines
2.1 KiB
C
92 lines
2.1 KiB
C
#ifndef SOURCE_H
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#define SOURCE_H
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#include "utils.h"
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#include "vector_impl.h"
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#include <stdint.h>
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#include <stdio.h>
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typedef struct {
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uint32_t line;
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uint32_t column;
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uint32_t offset;
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} Location;
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typedef struct {
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Location loc;
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uint32_t len;
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} Span;
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typedef struct {
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StringSlice slice;
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Span span;
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} SpannedStringSlice;
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int span_compare(const void *sa, const void *sb);
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bool sss_equal(const void *a, const void *b);
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uint32_t sss_hash(Hasher state, const void *v);
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VECTOR_IMPL(Span, SpanVec, span);
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VECTOR_IMPL(SpannedStringSlice, SpannedStringSliceVec, spanned_string_slice);
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typedef struct {
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// The string content
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const char *str;
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// Path of the source file if available
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const char *path;
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uint32_t len;
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IF_DEBUG(uint32_t ref_count;)
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} Source;
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typedef enum : uint32_t {
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SourceErrorNoError = 0,
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SourceErrorReadFailed = 1,
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SourceErrorOpenFailed = 2,
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} SourceError;
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typedef enum {
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ReportSeverityError,
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ReportSeverityWarning,
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ReportSeverityNote,
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} ReportSeverity;
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typedef struct {
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Span span;
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ReportSeverity sev;
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const char *message;
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} ReportSpan;
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VECTOR_IMPL(ReportSpan, ReportSpanVec, report_span);
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static inline __attribute__((always_inline)) Location location(uint32_t line, uint32_t column, uint32_t offset) {
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return (Location){.line = line, .column = column, .offset = offset};
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}
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// Initialize source from a string and its length (without null terminator), the string will be copied.
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Source source_init(const char *str, uint32_t len);
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// Try to initialize source from a FILE*
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SourceError source_from_file(FILE *f, Source *src);
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// Try to initialize source
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SourceError source_open(const char *path, Source *src);
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// Destroy source
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void source_drop(Source src);
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void source_report(
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const Source *src,
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Location loc,
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ReportSeverity sev,
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const ReportSpan *pspans,
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uint32_t span_count,
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const char *help,
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const char *fmt,
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...
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);
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static inline Span span_from_to(Location from, Location to) {
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return (Span){
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.loc = from,
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.len = to.offset - from.offset,
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};
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}
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#endif
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