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Fix columns being off by one / implement line cache #1174

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Merged
merged 4 commits into from
Mar 15, 2020
Merged

Fix columns being off by one / implement line cache #1174

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fb8b775
Fix columns being off by one / implement line cache
dcodeIO Mar 14, 2020
08c66fe
wasm stuff
dcodeIO Mar 15, 2020
12b1e1e
parser stuff
dcodeIO Mar 15, 2020
23fe044
fix
dcodeIO Mar 15, 2020
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38 changes: 38 additions & 0 deletions src/ast.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1718,6 +1718,44 @@ export class Source extends Node {
var kind = this.sourceKind;
return kind == SourceKind.LIBRARY || kind == SourceKind.LIBRARY_ENTRY;
}

/** Cached line starts. */
private lineCache: i32[] | null = null;

/** Rememberd column number. */
private lineColumn: i32 = 0;

/** Determines the line number at the specified position. */
lineAt(pos: i32): i32 {
assert(pos >= 0 && pos < 0x7fffffff);
var lineCache = this.lineCache;
if (!lineCache) {
this.lineCache = lineCache = [0];
let text = this.text;
for (let i = 0, k = text.length; i < k;) {
if (text.charCodeAt(i++) == CharCode.LINEFEED) lineCache.push(i);
}
lineCache.push(0x7fffffff);
}
var l = 0;
var r = lineCache.length - 1;
while (l < r) {
let m = l + i32((r - l) / 2);
let s = unchecked(lineCache[m]);
if (pos < s) r = m;
else if (pos < unchecked(lineCache[m + 1])) {
this.lineColumn = pos - s + 1;
return m + 1;
}
else l = m + 1;
}
return assert(0);
}

/** Gets the column number at the last position queried with `lineAt`. */
columnAt(): i32 {
return this.lineColumn;
}
}

/** Base class of all declaration statements. */
Expand Down
6 changes: 4 additions & 2 deletions src/compiler.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -10091,13 +10091,15 @@ export class Compiler extends DiagnosticEmitter {
}

var filenameArg = this.ensureStaticString(codeLocation.range.source.normalizedPath);
var range = codeLocation.range;
var source = range.source;
return module.block(null, [
module.call(
abortInstance.internalName, [
messageArg,
filenameArg,
module.i32(codeLocation.range.line),
module.i32(codeLocation.range.column)
module.i32(source.lineAt(range.start)),
module.i32(source.columnAt())
],
NativeType.None
),
Expand Down
21 changes: 12 additions & 9 deletions src/diagnostics.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -128,18 +128,19 @@ export class DiagnosticMessage {
toString(): string {
var range = this.range;
if (range) {
let source = range.source;
return (
diagnosticCategoryToString(this.category) +
" " +
this.code.toString() +
": \"" +
this.message +
"\" in " +
range.source.normalizedPath +
source.normalizedPath +
":" +
range.line.toString() +
source.lineAt(range.start).toString() +
":" +
range.column.toString()
source.columnAt().toString()
);
}
return (
Expand Down Expand Up @@ -172,6 +173,7 @@ export function formatDiagnosticMessage(
// include range information if available
var range = message.range;
if (range) {
let source = range.source;

// include context information if requested
if (showContext) {
Expand All @@ -180,26 +182,27 @@ export function formatDiagnosticMessage(
}
sb.push("\n");
sb.push(" in ");
sb.push(range.source.normalizedPath);
sb.push(source.normalizedPath);
sb.push("(");
sb.push(range.line.toString());
sb.push(source.lineAt(range.start).toString());
sb.push(",");
sb.push(range.column.toString());
sb.push(source.columnAt().toString());
sb.push(")");

let relatedRange = message.relatedRange;
if (relatedRange) {
let relatedSource = relatedRange.source;
if (showContext) {
sb.push("\n");
sb.push(formatDiagnosticContext(relatedRange, useColors));
}
sb.push("\n");
sb.push(" in ");
sb.push(relatedRange.source.normalizedPath);
sb.push(relatedSource.normalizedPath);
sb.push("(");
sb.push(relatedRange.line.toString());
sb.push(relatedSource.lineAt(relatedRange.start).toString());
sb.push(",");
sb.push(relatedRange.column.toString());
sb.push(relatedSource.columnAt().toString());
sb.push(")");
}
}
Expand Down
11 changes: 6 additions & 5 deletions src/program.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3106,13 +3106,14 @@ export class Function extends TypedElement {
if (this.program.options.sourceMap) {
let debugLocations = this.debugLocations;
for (let i = 0, k = debugLocations.length; i < k; ++i) {
let debugLocation = debugLocations[i];
let range = debugLocations[i];
let source = range.source;
module.setDebugLocation(
ref,
debugLocation.debugInfoRef,
debugLocation.source.debugInfoIndex,
debugLocation.line,
debugLocation.column
range.debugInfoRef,
source.debugInfoIndex,
source.lineAt(range.start),
source.columnAt()
);
}
}
Expand Down
26 changes: 1 addition & 25 deletions src/tokenizer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -402,10 +402,7 @@ export class Range {
source: Source;
start: i32;
end: i32;

// TODO: set these while tokenizing
// line: i32;
// column: i32;
debugInfoRef: usize = 0;

constructor(source: Source, start: i32, end: i32) {
this.source = source;
Expand All @@ -429,30 +426,9 @@ export class Range {
return new Range(this.source, this.end, this.end);
}

get line(): i32 {
var text = this.source.text;
var line = 1;
for (let pos = this.start; pos >= 0; --pos) {
if (text.charCodeAt(pos) == CharCode.LINEFEED) line++;
}
return line;
}

get column(): i32 {
var text = this.source.text;
var column = 0;
for (let pos = this.start - 1; pos >= 0; --pos) {
if (text.charCodeAt(pos) == CharCode.LINEFEED) break;
++column;
}
return column;
}

toString(): string {
return this.source.text.substring(this.start, this.end);
}

debugInfoRef: usize = 0;
}

/** Handler for intercepting comments while tokenizing. */
Expand Down
16 changes: 8 additions & 8 deletions tests/compiler/abi.untouched.wat
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@
i32.const 0
i32.const 32
i32.const 32
i32.const 2
i32.const 3
call $~lib/builtins/abort
unreachable
end
Expand Down Expand Up @@ -74,7 +74,7 @@
i32.const 0
i32.const 32
i32.const 45
i32.const 2
i32.const 3
call $~lib/builtins/abort
unreachable
end
Expand Down Expand Up @@ -103,7 +103,7 @@
i32.const 0
i32.const 32
i32.const 58
i32.const 2
i32.const 3
call $~lib/builtins/abort
unreachable
end
Expand All @@ -120,7 +120,7 @@
i32.const 0
i32.const 32
i32.const 65
i32.const 2
i32.const 3
call $~lib/builtins/abort
unreachable
end
Expand All @@ -135,7 +135,7 @@
i32.const 0
i32.const 32
i32.const 72
i32.const 2
i32.const 3
call $~lib/builtins/abort
unreachable
end
Expand All @@ -150,7 +150,7 @@
i32.const 0
i32.const 32
i32.const 74
i32.const 2
i32.const 3
call $~lib/builtins/abort
unreachable
end
Expand All @@ -163,7 +163,7 @@
i32.const 0
i32.const 32
i32.const 77
i32.const 2
i32.const 3
call $~lib/builtins/abort
unreachable
end
Expand All @@ -176,7 +176,7 @@
i32.const 0
i32.const 32
i32.const 79
i32.const 2
i32.const 3
call $~lib/builtins/abort
unreachable
end
Expand Down
26 changes: 13 additions & 13 deletions tests/compiler/assert-nonnull.optimized.wat
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@
i32.const 0
i32.const 1040
i32.const 2
i32.const 9
i32.const 10
call $~lib/builtins/abort
unreachable
end
Expand All @@ -45,7 +45,7 @@
i32.const 0
i32.const 1040
i32.const 11
i32.const 9
i32.const 10
call $~lib/builtins/abort
unreachable
end
Expand All @@ -61,7 +61,7 @@
i32.const 0
i32.const 1040
i32.const 15
i32.const 9
i32.const 10
call $~lib/builtins/abort
unreachable
end
Expand All @@ -74,7 +74,7 @@
i32.const 0
i32.const 1040
i32.const 19
i32.const 9
i32.const 10
call $~lib/builtins/abort
unreachable
end
Expand All @@ -86,7 +86,7 @@
i32.const 1104
i32.const 1168
i32.const 104
i32.const 41
i32.const 42
call $~lib/builtins/abort
unreachable
end
Expand All @@ -99,7 +99,7 @@
i32.const 1216
i32.const 1168
i32.const 108
i32.const 39
i32.const 40
call $~lib/builtins/abort
unreachable
end
Expand All @@ -114,7 +114,7 @@
i32.const 1104
i32.const 1168
i32.const 104
i32.const 41
i32.const 42
call $~lib/builtins/abort
unreachable
end
Expand All @@ -131,7 +131,7 @@
i32.const 0
i32.const 1040
i32.const 23
i32.const 9
i32.const 10
call $~lib/builtins/abort
unreachable
end
Expand Down Expand Up @@ -159,7 +159,7 @@
i32.const 0
i32.const 1040
i32.const 27
i32.const 9
i32.const 10
call $~lib/builtins/abort
unreachable
)
Expand All @@ -185,7 +185,7 @@
i32.const 0
i32.const 1040
i32.const 31
i32.const 9
i32.const 10
call $~lib/builtins/abort
unreachable
)
Expand All @@ -206,7 +206,7 @@
i32.const 0
i32.const 1040
i32.const 39
i32.const 12
i32.const 13
call $~lib/builtins/abort
unreachable
end
Expand All @@ -228,7 +228,7 @@
i32.const 0
i32.const 1040
i32.const 44
i32.const 9
i32.const 10
call $~lib/builtins/abort
unreachable
end
Expand All @@ -254,7 +254,7 @@
i32.const 0
i32.const 1040
i32.const 52
i32.const 9
i32.const 10
call $~lib/builtins/abort
unreachable
end
Expand Down
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