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lang: ast, gapi, interfaces, parser: Print line numbers on error

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This adds an initial implementation of printing line numbers on type
unification errors. It also attempts to print a visual position
indicator for most scenarios.

This patch was started by Felix Frank and finished by James Shubin.

Co-authored-by: Felix Frank <Felix.Frank.de@gmail.com>
This commit is contained in:
James Shubin
2025-02-25 20:15:02 -05:00
parent f754bbbf90
commit d7ecc72b41
20 changed files with 714 additions and 172 deletions
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28
lang/interpret_test.go
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@@ -181,11 +181,19 @@ func TestAstFunc1(t *testing.T) {
t.Logf("comment: %s\n", comment)
}
sources := map[string][]byte{}
sourceFinder := func(path string) ([]byte, error) {
if b, exists := sources[path]; exists {
return b, nil
}
return nil, os.ErrNotExist
}
// copy files out into the test temp directory
var testOutput []byte
var testConfig []byte
found := false
for _, file := range archive.Files {
sources["/"+file.Name] = file.Data // store!
if file.Name == "OUTPUT" {
testOutput = file.Data
found = true
@@ -247,6 +255,7 @@ func TestAstFunc1(t *testing.T) {
if strings.HasPrefix(expstr, magicError) {
errStr = strings.TrimPrefix(expstr, magicError)
expstr = errStr
t.Logf("errStr has length %d", len(errStr))
if strings.HasPrefix(expstr, magicErrorLexParse) {
errStr = strings.TrimPrefix(expstr, magicErrorLexParse)
@@ -398,6 +407,7 @@ func TestAstFunc1(t *testing.T) {
LexParser: parser.LexParse,
StrInterpolater: interpolate.StrInterpolate,
SourceFinder: sourceFinder,
Debug: testing.Verbose(), // set via the -test.v flag to `go test`
Logf: func(format string, v ...interface{}) {
@@ -675,11 +685,19 @@ func TestAstFunc2(t *testing.T) {
t.Logf("comment: %s\n", comment)
}
sources := map[string][]byte{}
sourceFinder := func(path string) ([]byte, error) {
if b, exists := sources[path]; exists {
return b, nil
}
return nil, os.ErrNotExist
}
// copy files out into the test temp directory
var testOutput []byte
var testConfig []byte
found := false
for _, file := range archive.Files {
sources["/"+file.Name] = file.Data // store!
if file.Name == "OUTPUT" {
testOutput = file.Data
found = true
@@ -939,6 +957,7 @@ func TestAstFunc2(t *testing.T) {
LexParser: parser.LexParse,
StrInterpolater: interpolate.StrInterpolate,
SourceFinder: sourceFinder,
Debug: testing.Verbose(), // set via the -test.v flag to `go test`
Logf: func(format string, v ...interface{}) {
@@ -1495,11 +1514,19 @@ func TestAstFunc3(t *testing.T) {
t.Logf("comment: %s\n", comment)
}
sources := map[string][]byte{}
sourceFinder := func(path string) ([]byte, error) {
if b, exists := sources[path]; exists {
return b, nil
}
return nil, os.ErrNotExist
}
// copy files out into the test temp directory
var testOutput []byte
var testConfig []byte
found := false
for _, file := range archive.Files {
sources["/"+file.Name] = file.Data // store!
if file.Name == "OUTPUT" {
testOutput = file.Data
found = true
@@ -1759,6 +1786,7 @@ func TestAstFunc3(t *testing.T) {
LexParser: parser.LexParse,
StrInterpolater: interpolate.StrInterpolate,
SourceFinder: sourceFinder,
Debug: testing.Verbose(), // set via the -test.v flag to `go test`
Logf: func(format string, v ...interface{}) {