Commit 12752664 authored by Robert Griesemer's avatar Robert Griesemer

- vector package (identical to array except for names)

- updated some file (but not all - left array package in place for now)

R=rsc
DELTA=530  (483 added, 0 deleted, 47 changed)
OCL=25025
CL=25025
parent 9f8f2e61
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# DO NOT EDIT. Automatically generated by gobuild.
# gobuild -m >Makefile
O=6
GC=$(O)g
CC=$(O)c -w
AS=$(O)a
AR=$(O)ar
default: packages
clean:
rm -f *.$O *.a $O.out
test: packages
gotest
coverage: packages
gotest
6cov -g `pwd` | grep -v '_test\.go:'
%.$O: %.go
$(GC) $*.go
%.$O: %.c
$(CC) $*.c
%.$O: %.s
$(AS) $*.s
O1=\
vector.$O\
O2=\
intvector.$O\
vector.a: a1 a2
a1: $(O1)
$(AR) grc vector.a vector.$O
rm -f $(O1)
a2: $(O2)
$(AR) grc vector.a intvector.$O
rm -f $(O2)
newpkg: clean
$(AR) grc vector.a
$(O1): newpkg
$(O2): a1
nuke: clean
rm -f $(GOROOT)/pkg/vector.a
packages: vector.a
install: packages
cp vector.a $(GOROOT)/pkg/vector.a
......@@ -2,6 +2,10 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// *** DEPRECATED PACKAGE - USE package vector INSTEAD ***
//
package array
type (
......
......@@ -2,6 +2,10 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// *** DEPRECATED PACKAGE - USE package vector INSTEAD ***
//
package array
import "array"
......
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package vector
import "vector"
type IntVector struct {
// TODO do not export field
vector.Vector;
}
func (p *IntVector) Init(len int) *IntVector {
p.Vector.Init(len);
return p;
}
func NewIntVector(len int) *IntVector {
return new(IntVector).Init(len)
}
func (p *IntVector) At(i int) int {
return p.Vector.At(i).(int)
}
func (p *IntVector) Set(i int, x int) {
p.Vector.Set(i, x)
}
func (p *IntVector) Last() int {
return p.Vector.Last().(int)
}
func (p *IntVector) Insert(i int, x int) {
p.Vector.Insert(i, x)
}
func (p *IntVector) Delete(i int) int {
return p.Vector.Delete(i).(int)
}
func (p *IntVector) Push(x int) {
p.Vector.Push(x)
}
func (p *IntVector) Pop() int {
return p.Vector.Pop().(int)
}
// SortInterface support
func (p *IntVector) Less(i, j int) bool {
return p.At(i) < p.At(j)
}
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package vector
type (
Element interface {};
Vector struct {
a []Element
}
)
func copy(dst, src []Element) {
for i := 0; i < len(src); i++ {
dst[i] = src[i]
}
}
// Insert n elements at position i.
func expand(a []Element, i, n int) []Element {
// make sure we have enough space
len0 := len(a);
len1 := len0 + n;
if len1 < cap(a) {
// enough space - just expand
a = a[0 : len1]
} else {
// not enough space - double capacity
capb := cap(a)*2;
if capb < len1 {
// still not enough - use required length
capb = len1
}
// capb >= len1
b := make([]Element, len1, capb);
copy(b, a);
a = b
}
// make a hole
for j := len0-1; j >= i ; j-- {
a[j+n] = a[j]
}
return a
}
func (p *Vector) Init(initial_len int) *Vector {
a := p.a;
if cap(a) == 0 || cap(a) < initial_len {
n := 8; // initial capacity
if initial_len > n {
n = initial_len
}
a = make([]Element, n);
} else {
// nil out entries
for j := len(a) - 1; j >= 0; j-- {
a[j] = nil
}
}
p.a = a[0 : initial_len];
return p
}
func New(len int) *Vector {
return new(Vector).Init(len)
}
func (p *Vector) Len() int {
return len(p.a)
}
func (p *Vector) At(i int) Element {
return p.a[i]
}
func (p *Vector) Set(i int, x Element) {
p.a[i] = x
}
func (p *Vector) Last() Element {
return p.a[len(p.a) - 1]
}
func (p *Vector) Insert(i int, x Element) {
p.a = expand(p.a, i, 1);
p.a[i] = x;
}
func (p *Vector) Delete(i int) Element {
a := p.a;
n := len(a);
x := a[i];
copy(a[i : n-1], a[i+1 : n]);
a[n-1] = nil; // support GC, nil out entry
p.a = a[0 : n-1];
return x
}
func (p *Vector) InsertVector(i int, x *Vector) {
p.a = expand(p.a, i, len(x.a));
copy(p.a[i : i + len(x.a)], x.a);
}
func (p *Vector) Cut(i, j int) {
a := p.a;
n := len(a);
m := n - (j - i);
copy(a[i : m], a[j : n]);
for k := m; k < n; k++ {
a[k] = nil // support GC, nil out entries
}
p.a = a[0 : m];
}
func (p *Vector) Slice(i, j int) *Vector {
s := New(j - i); // will fail in Init() if j < j
copy(s.a, p.a[i : j]);
return s;
}
func (p *Vector) Do(f func(elem Element)) {
for i := 0; i < len(p.a); i++ {
f(p.a[i]) // not too safe if f changes the Vector
}
}
// Convenience wrappers
func (p *Vector) Push(x Element) {
p.Insert(len(p.a), x)
}
func (p *Vector) Pop() Element {
return p.Delete(len(p.a) - 1)
}
func (p *Vector) AppendVector(x *Vector) {
p.InsertVector(len(p.a), x);
}
// Partial SortInterface support
type LessInterface interface {
Less(y Element) bool
}
func (p *Vector) Less(i, j int) bool {
return p.a[i].(LessInterface).Less(p.a[j])
}
func (p *Vector) Swap(i, j int) {
a := p.a;
a[i], a[j] = a[j], a[i]
}
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package vector
import "vector"
import "testing"
import "sort"
func TestInit(t *testing.T) {
var a vector.Vector;
if a.Init(0).Len() != 0 { t.Error("A") }
if a.Init(1).Len() != 1 { t.Error("B") }
if a.Init(10).Len() != 10 { t.Error("C") }
}
func TestNew(t *testing.T) {
if vector.New(0).Len() != 0 { t.Error("A") }
if vector.New(1).Len() != 1 { t.Error("B") }
if vector.New(10).Len() != 10 { t.Error("C") }
}
func val(i int) int {
return i*991 - 1234
}
func TestAccess(t *testing.T) {
const n = 100;
var a vector.Vector;
a.Init(n);
for i := 0; i < n; i++ {
a.Set(i, val(i));
}
for i := 0; i < n; i++ {
if a.At(i).(int) != val(i) { t.Error(i) }
}
}
func TestInsertDeleteClear(t *testing.T) {
const n = 100;
a := vector.New(0);
for i := 0; i < n; i++ {
if a.Len() != i { t.Errorf("A) wrong len %d (expected %d)", a.Len(), i) }
a.Insert(0, val(i));
if a.Last().(int) != val(0) { t.Error("B") }
}
for i := n-1; i >= 0; i-- {
if a.Last().(int) != val(0) { t.Error("C") }
if a.Delete(0).(int) != val(i) { t.Error("D") }
if a.Len() != i { t.Errorf("E) wrong len %d (expected %d)", a.Len(), i) }
}
if a.Len() != 0 { t.Errorf("F) wrong len %d (expected 0)", a.Len()) }
for i := 0; i < n; i++ {
a.Push(val(i));
if a.Len() != i+1 { t.Errorf("G) wrong len %d (expected %d)", a.Len(), i+1) }
if a.Last().(int) != val(i) { t.Error("H") }
}
a.Init(0);
if a.Len() != 0 { t.Errorf("I wrong len %d (expected 0)", a.Len()) }
const m = 5;
for j := 0; j < m; j++ {
a.Push(j);
for i := 0; i < n; i++ {
x := val(i);
a.Push(x);
if a.Pop().(int) != x { t.Error("J") }
if a.Len() != j+1 { t.Errorf("K) wrong len %d (expected %d)", a.Len(), j+1) }
}
}
if a.Len() != m { t.Errorf("L) wrong len %d (expected %d)", a.Len(), m) }
}
func verify_slice(t *testing.T, x *vector.Vector, elt, i, j int) {
for k := i; k < j; k++ {
if x.At(k).(int) != elt {
t.Errorf("M) wrong [%d] element %d (expected %d)", k, x.At(k).(int), elt)
}
}
s := x.Slice(i, j);
for k, n := 0, j-i; k < n; k++ {
if s.At(k).(int) != elt {
t.Errorf("N) wrong [%d] element %d (expected %d)", k, x.At(k).(int), elt)
}
}
}
func verify_pattern(t *testing.T, x *vector.Vector, a, b, c int) {
n := a + b + c;
if x.Len() != n {
t.Errorf("O) wrong len %d (expected %d)", x.Len(), n)
}
verify_slice(t, x, 0, 0, a);
verify_slice(t, x, 1, a, a + b);
verify_slice(t, x, 0, a + b, n);
}
func make_vector(elt, len int) *vector.Vector {
x := vector.New(len);
for i := 0; i < len; i++ {
x.Set(i, elt);
}
return x;
}
func TestInsertVector(t *testing.T) {
// 1
a := make_vector(0, 0);
b := make_vector(1, 10);
a.InsertVector(0, b);
verify_pattern(t, a, 0, 10, 0);
// 2
a = make_vector(0, 10);
b = make_vector(1, 0);
a.InsertVector(5, b);
verify_pattern(t, a, 5, 0, 5);
// 3
a = make_vector(0, 10);
b = make_vector(1, 3);
a.InsertVector(3, b);
verify_pattern(t, a, 3, 3, 7);
// 4
a = make_vector(0, 10);
b = make_vector(1, 1000);
a.InsertVector(8, b);
verify_pattern(t, a, 8, 1000, 2);
}
func TestSorting(t *testing.T) {
const n = 100;
a := vector.NewIntVector(n);
for i := n-1; i >= 0; i-- {
a.Set(i, n-1-i);
}
if sort.IsSorted(a) { t.Error("not sorted") }
}
func TestDo(t *testing.T) {
const n = 25;
const salt = 17;
a := vector.NewIntVector(n);
for i := 0; i < n; i++ {
a.Set(i, salt * i);
}
count := 0;
a.Do(
func(e vector.Element) {
i := e.(int);
if i != count*salt {
t.Error("value at", count, "should be", count*salt, "not", i)
}
count++;
}
);
if count != n {
t.Error("should visit", n, "values; did visit", count)
}
}
......@@ -7,7 +7,7 @@ package tabwriter
import (
"os";
"io";
"array";
"vector";
"utf8";
)
......@@ -108,9 +108,9 @@ type Writer struct {
size int; // size of incomplete cell in bytes
width int; // width of incomplete cell in runes up to buf[pos] w/o ignored sections
pos int; // buffer position up to which width of incomplete cell has been computed
lines_size array.Array; // list of lines; each line is a list of cell sizes in bytes
lines_width array.Array; // list of lines; each line is a list of cell widths in runes
widths array.IntArray; // list of column widths in runes - re-used during formatting
lines_size vector.Vector; // list of lines; each line is a list of cell sizes in bytes
lines_width vector.Vector; // list of lines; each line is a list of cell widths in runes
widths vector.IntVector; // list of column widths in runes - re-used during formatting
}
// Internal representation (current state):
......@@ -138,8 +138,8 @@ type Writer struct {
func (b *Writer) addLine() {
b.lines_size.Push(array.NewIntArray(0));
b.lines_width.Push(array.NewIntArray(0));
b.lines_size.Push(vector.NewIntVector(0));
b.lines_width.Push(vector.NewIntVector(0));
}
......@@ -169,10 +169,10 @@ func (b *Writer) Init(writer io.Write, cellwidth, padding int, padchar byte, ali
}
func (b *Writer) line(i int) (*array.IntArray, *array.IntArray) {
func (b *Writer) line(i int) (*vector.IntVector, *vector.IntVector) {
return
b.lines_size.At(i).(*array.IntArray),
b.lines_width.At(i).(*array.IntArray);
b.lines_size.At(i).(*vector.IntVector),
b.lines_width.At(i).(*vector.IntVector);
}
......
......@@ -6,7 +6,7 @@
package main
import "array"
import "vector"
type S struct {
......@@ -21,7 +21,7 @@ func (p *S) Init(val int) *S {
func test0() {
v := array.New(0);
v := vector.New(0);
if v.Len() != 0 {
panic("len = ", v.Len(), "\n");
}
......@@ -34,7 +34,7 @@ func test1() {
a[i] = new(S).Init(i);
}
v := array.New(0);
v := vector.New(0);
for i := 0; i < len(a); i++ {
v.Insert(0, a[i]);
if v.Len() != i + 1 {
......
......@@ -5,7 +5,7 @@
package AST
import (
"array";
"vector";
Scanner "scanner";
SymbolTable "symboltable";
)
......@@ -90,11 +90,11 @@ type Type struct {
// syntactic components
Pos int; // source position (< 0 if unknown position)
Expr Expr; // type name, array length
Expr Expr; // type name, vector length
Mode int; // channel mode
Key *Type; // receiver type or map key
Elt *Type; // type name type, array, map, channel or pointer element type, function result type
List *array.Array; End int; // struct fields, interface methods, function parameters
Elt *Type; // type name type, vector, map, channel or pointer element type, function result type
List *vector.Vector; End int; // struct fields, interface methods, function parameters
}
......@@ -305,7 +305,7 @@ func (t *Type) Nfields() int {
type Block struct {
Node;
List *array.Array;
List *vector.Vector;
End int; // position of closing "}" if present
}
......@@ -313,7 +313,7 @@ type Block struct {
func NewBlock(pos, tok int) *Block {
assert(tok == Scanner.LBRACE || tok == Scanner.COLON);
b := new(Block);
b.Pos, b.Tok, b.List = pos, tok, array.New(0);
b.Pos, b.Tok, b.List = pos, tok, vector.New(0);
return b;
}
......@@ -437,7 +437,7 @@ type Decl struct {
Val Expr;
Body *Block;
// list of *Decl for ()-style declarations
List *array.Array; End int;
List *vector.Vector; End int;
}
......@@ -470,8 +470,8 @@ func NewComment(pos int, text string) *Comment {
type Program struct {
Pos int; // tok is Scanner.PACKAGE
Ident Expr;
Decls *array.Array;
Comments *array.Array;
Decls *vector.Vector;
Comments *vector.Vector;
}
......
......@@ -5,7 +5,7 @@
package Compilation
import (
"array";
"vector";
"utf8";
"fmt";
"os";
......@@ -150,7 +150,7 @@ func fileExists(name string) bool {
}
func printDep(localset map [string] bool, wset *array.Array, decl *AST.Decl) {
func printDep(localset map [string] bool, wset *vector.Vector, decl *AST.Decl) {
src := decl.Val.(*AST.BasicLit).Val;
src = src[1 : len(src) - 1]; // strip "'s
......@@ -173,7 +173,7 @@ func printDep(localset map [string] bool, wset *array.Array, decl *AST.Decl) {
}
func addDeps(globalset map [string] bool, wset *array.Array, src_file string, flags *Flags) {
func addDeps(globalset map [string] bool, wset *vector.Vector, src_file string, flags *Flags) {
dummy, found := globalset[src_file];
if !found {
globalset[src_file] = true;
......@@ -207,7 +207,7 @@ func addDeps(globalset map [string] bool, wset *array.Array, src_file string, fl
func ComputeDeps(src_file string, flags *Flags) {
globalset := make(map [string] bool);
wset := array.New(0);
wset := vector.New(0);
wset.Push(Utils.TrimExt(src_file, ".go"));
for wset.Len() > 0 {
addDeps(globalset, wset, wset.Pop().(string), flags);
......
......@@ -7,7 +7,7 @@ package Parser
import (
"flag";
"fmt";
"array";
"vector";
Scanner "scanner";
AST "ast";
SymbolTable "symboltable";
......@@ -21,7 +21,7 @@ type Parser struct {
// Scanner
scanner *Scanner.Scanner;
comments *array.Array;
comments *vector.Vector;
// Scanner.Token
pos int; // token source position
......@@ -126,7 +126,7 @@ func (P *Parser) Open(trace, sixg, deps bool, scanner *Scanner.Scanner) {
P.indent = 0;
P.scanner = scanner;
P.comments = array.New(0);
P.comments = vector.New(0);
P.next();
P.expr_lev = 0;
......@@ -423,7 +423,7 @@ func (P *Parser) parseVar(expect_ident bool) *AST.Type {
}
func (P *Parser) parseVarList(list *array.Array, ellipsis_ok bool) {
func (P *Parser) parseVarList(list *vector.Vector, ellipsis_ok bool) {
if P.trace {
defer un(trace(P, "VarList"));
}
......@@ -482,12 +482,12 @@ func (P *Parser) parseVarList(list *array.Array, ellipsis_ok bool) {
}
func (P *Parser) parseParameterList(ellipsis_ok bool) *array.Array {
func (P *Parser) parseParameterList(ellipsis_ok bool) *vector.Vector {
if P.trace {
defer un(trace(P, "ParameterList"));
}
list := array.New(0);
list := vector.New(0);
P.parseVarList(list, ellipsis_ok);
for P.tok == Scanner.COMMA {
P.next();
......@@ -543,7 +543,7 @@ func (P *Parser) parseResult(ftyp *AST.Type) *AST.Type {
typ := P.tryType();
if typ != nil {
t = AST.NewType(P.pos, AST.STRUCT);
t.List = array.New(0);
t.List = vector.New(0);
t.List.Push(&AST.TypeLit(typ));
t.End = P.pos;
}
......@@ -590,7 +590,7 @@ func (P *Parser) parseFunctionType() *AST.Type {
}
func (P *Parser) parseMethodSpec(list *array.Array) {
func (P *Parser) parseMethodSpec(list *vector.Vector) {
if P.trace {
defer un(trace(P, "MethodDecl"));
}
......@@ -613,7 +613,7 @@ func (P *Parser) parseInterfaceType() *AST.Type {
P.openScope();
P.scope_lev++;
t.List = array.New(0);
t.List = vector.New(0);
for P.tok == Scanner.IDENT {
P.parseMethodSpec(t.List);
if P.tok != Scanner.RBRACE {
......@@ -659,7 +659,7 @@ func (P *Parser) parseStructType() *AST.Type {
if P.tok == Scanner.LBRACE {
P.next();
t.List = array.New(0);
t.List = vector.New(0);
t.Scope = SymbolTable.NewScope(nil);
for P.tok != Scanner.RBRACE && P.tok != Scanner.EOF {
P.parseVarList(t.List, false);
......@@ -728,7 +728,7 @@ func (P *Parser) tryType() *AST.Type {
// Blocks
func (P *Parser) parseStatementList(list *array.Array) {
func (P *Parser) parseStatementList(list *vector.Vector) {
if P.trace {
defer un(trace(P, "StatementList"));
}
......@@ -1560,7 +1560,7 @@ func (P *Parser) parseDecl(keyword int) *AST.Decl {
P.expect(keyword);
if P.tok == Scanner.LPAREN {
P.next();
d.List = array.New(0);
d.List = vector.New(0);
for P.tok != Scanner.RPAREN && P.tok != Scanner.EOF {
d1 := AST.NewDecl(P.pos, keyword);
P.parseSpec(d1);
......@@ -1658,7 +1658,7 @@ func (P *Parser) ParseProgram() *AST.Program {
// package body
{ P.openScope();
p.Decls = array.New(0);
p.Decls = vector.New(0);
for P.tok == Scanner.IMPORT {
p.Decls.Push(P.parseDecl(Scanner.IMPORT));
P.OptSemicolon();
......
......@@ -7,7 +7,7 @@ package Printer
import (
"os";
"io";
"array";
"vector";
"tabwriter";
"flag";
"fmt";
......@@ -83,7 +83,7 @@ type Printer struct {
html bool;
// comments
comments *array.Array; // the list of all comments
comments *vector.Vector; // the list of all comments
cindex int; // the current comments index
cpos int; // the position of the next comment
......@@ -120,7 +120,7 @@ func (P *Printer) NextComment() {
}
func (P *Printer) Init(text io.Write, html bool, comments *array.Array) {
func (P *Printer) Init(text io.Write, html bool, comments *vector.Vector) {
// writers
P.text = text;
......@@ -452,7 +452,7 @@ func (P *Printer) HtmlPackageName(pos int, name string) {
func (P *Printer) Type(t *AST.Type) int
func (P *Printer) Expr(x AST.Expr)
func (P *Printer) Parameters(pos int, list *array.Array) {
func (P *Printer) Parameters(pos int, list *vector.Vector) {
P.String(pos, "(");
if list != nil {
var prev int;
......@@ -500,7 +500,7 @@ func (P *Printer) Signature(t *AST.Type) int {
}
func (P *Printer) Fields(list *array.Array, end int, in_interface bool) {
func (P *Printer) Fields(list *vector.Vector, end int, in_interface bool) {
P.state = opening_scope;
P.String(0, "{");
......@@ -745,7 +745,7 @@ func (P *Printer) Stat(s AST.Stat) {
}
func (P *Printer) StatementList(list *array.Array) {
func (P *Printer) StatementList(list *vector.Vector) {
for i, n := 0, list.Len(); i < n; i++ {
P.newlines = 1; // for first entry
list.At(i).(AST.Stat).Visit(P);
......
......@@ -7,7 +7,7 @@ package SymbolTable
import (
"utf8";
"unicode";
"array";
"vector";
)
......@@ -269,7 +269,7 @@ type Type struct {
Mode int; // channel mode
Key *Type; // receiver type or map key
Elt *Type; // type name type, array, map, channel or pointer element type, function result type
List *array.Array; End int; // struct fields, interface methods, function parameters
List *vector.Vector; End int; // struct fields, interface methods, function parameters
}
......@@ -304,7 +304,7 @@ func (typ* Type) String() string {
var (
Universe *Scope;
PredeclaredTypes array.Array;
PredeclaredTypes vector.Vector;
// internal types
Void_typ,
......
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