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TypeScript/src/compiler/commandLineParser.ts at master · ChimeraCoder/TypeScript · GitHub
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/// <reference path="sys.ts"/>
/// <reference path="types.ts"/>
/// <reference path="core.ts"/>
/// <reference path="scanner.ts"/>
module
ts
{
/*
@internal
*/
export
var
optionDeclarations
:
CommandLineOption
[
]
=
[
{
name
:
"charset"
,
type
:
"string"
,
}
,
{
name
:
"declaration"
,
shortName
:
"d"
,
type
:
"boolean"
,
description
:
Diagnostics
.
Generates_corresponding_d_ts_file
,
}
,
{
name
:
"diagnostics"
,
type
:
"boolean"
,
}
,
{
name
:
"emitBOM"
,
type
:
"boolean"
}
,
{
name
:
"help"
,
shortName
:
"h"
,
type
:
"boolean"
,
description
:
Diagnostics
.
Print_this_message
,
}
,
{
name
:
"inlineSourceMap"
,
type
:
"boolean"
,
}
,
{
name
:
"inlineSources"
,
type
:
"boolean"
,
}
,
{
name
:
"listFiles"
,
type
:
"boolean"
,
}
,
{
name
:
"locale"
,
type
:
"string"
,
}
,
{
name
:
"mapRoot"
,
type
:
"string"
,
isFilePath
:
true
,
description
:
Diagnostics
.
Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations
,
paramType
:
Diagnostics
.
LOCATION
,
}
,
{
name
:
"module"
,
shortName
:
"m"
,
type
:
{
"commonjs"
:
ModuleKind
.
CommonJS
,
"amd"
:
ModuleKind
.
AMD
,
"system"
:
ModuleKind
.
System
,
"umd"
:
ModuleKind
.
UMD
,
}
,
description
:
Diagnostics
.
Specify_module_code_generation_Colon_commonjs_amd_system_or_umd
,
paramType
:
Diagnostics
.
KIND
,
error
:
Diagnostics
.
Argument_for_module_option_must_be_commonjs_amd_system_or_umd
}
,
{
name
:
"newLine"
,
type
:
{
"crlf"
:
NewLineKind
.
CarriageReturnLineFeed
,
"lf"
:
NewLineKind
.
LineFeed
}
,
description
:
Diagnostics
.
Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix
,
paramType
:
Diagnostics
.
NEWLINE
,
error
:
Diagnostics
.
Argument_for_newLine_option_must_be_CRLF_or_LF
}
,
{
name
:
"noEmit"
,
type
:
"boolean"
,
description
:
Diagnostics
.
Do_not_emit_outputs
,
}
,
{
name
:
"noEmitHelpers"
,
type
:
"boolean"
}
,
{
name
:
"noEmitOnError"
,
type
:
"boolean"
,
description
:
Diagnostics
.
Do_not_emit_outputs_if_any_errors_were_reported
,
}
,
{
name
:
"noImplicitAny"
,
type
:
"boolean"
,
description
:
Diagnostics
.
Raise_error_on_expressions_and_declarations_with_an_implied_any_type
,
}
,
{
name
:
"noLib"
,
type
:
"boolean"
,
}
,
{
name
:
"noResolve"
,
type
:
"boolean"
,
}
,
{
name
:
"out"
,
type
:
"string"
,
description
:
Diagnostics
.
Concatenate_and_emit_output_to_single_file
,
paramType
:
Diagnostics
.
FILE
,
}
,
{
name
:
"outDir"
,
type
:
"string"
,
isFilePath
:
true
,
description
:
Diagnostics
.
Redirect_output_structure_to_the_directory
,
paramType
:
Diagnostics
.
DIRECTORY
,
}
,
{
name
:
"preserveConstEnums"
,
type
:
"boolean"
,
description
:
Diagnostics
.
Do_not_erase_const_enum_declarations_in_generated_code
}
,
{
name
:
"project"
,
shortName
:
"p"
,
type
:
"string"
,
isFilePath
:
true
,
description
:
Diagnostics
.
Compile_the_project_in_the_given_directory
,
paramType
:
Diagnostics
.
DIRECTORY
}
,
{
name
:
"removeComments"
,
type
:
"boolean"
,
description
:
Diagnostics
.
Do_not_emit_comments_to_output
,
}
,
{
name
:
"rootDir"
,
type
:
"string"
,
isFilePath
:
true
,
description
:
Diagnostics
.
Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir
,
paramType
:
Diagnostics
.
LOCATION
,
}
,
{
name
:
"separateCompilation"
,
type
:
"boolean"
,
}
,
{
name
:
"sourceMap"
,
type
:
"boolean"
,
description
:
Diagnostics
.
Generates_corresponding_map_file
,
}
,
{
name
:
"sourceRoot"
,
type
:
"string"
,
isFilePath
:
true
,
description
:
Diagnostics
.
Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations
,
paramType
:
Diagnostics
.
LOCATION
,
}
,
{
name
:
"suppressImplicitAnyIndexErrors"
,
type
:
"boolean"
,
description
:
Diagnostics
.
Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures
,
}
,
{
name
:
"stripInternal"
,
type
:
"boolean"
,
description
:
Diagnostics
.
Do_not_emit_declarations_for_code_that_has_an_internal_annotation
,
experimental
:
true
}
,
{
name
:
"target"
,
shortName
:
"t"
,
type
:
{
"es3"
:
ScriptTarget
.
ES3
,
"es5"
:
ScriptTarget
.
ES5
,
"es6"
:
ScriptTarget
.
ES6
}
,
description
:
Diagnostics
.
Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES6_experimental
,
paramType
:
Diagnostics
.
VERSION
,
error
:
Diagnostics
.
Argument_for_target_option_must_be_ES3_ES5_or_ES6
}
,
{
name
:
"version"
,
shortName
:
"v"
,
type
:
"boolean"
,
description
:
Diagnostics
.
Print_the_compiler_s_version
,
}
,
{
name
:
"watch"
,
shortName
:
"w"
,
type
:
"boolean"
,
description
:
Diagnostics
.
Watch_input_files
,
}
,
{
name
:
"emitDecoratorMetadata"
,
type
:
"boolean"
,
experimental
:
true
}
]
;
export
function
parseCommandLine
(
commandLine
:
string
[
]
)
:
ParsedCommandLine
{
var
options
:
CompilerOptions
=
{
}
;
var
fileNames
:
string
[
]
=
[
]
;
var
errors
:
Diagnostic
[
]
=
[
]
;
var
shortOptionNames
:
Map
<
string
>
=
{
}
;
var
optionNameMap
:
Map
<
CommandLineOption
>
=
{
}
;
forEach
(
optionDeclarations
,
option
=>
{
optionNameMap
[
option
.
name
.
toLowerCase
(
)
]
=
option
;
if
(
option
.
shortName
)
{
shortOptionNames
[
option
.
shortName
]
=
option
.
name
;
}
}
)
;
parseStrings
(
commandLine
)
;
return
{
options
,
fileNames
,
errors
}
;
function
parseStrings
(
args
:
string
[
]
)
{
var
i
=
0
;
while
(
i
<
args
.
length
)
{
var
s
=
args
[
i
++
]
;
if
(
s
.
charCodeAt
(
0
)
===
CharacterCodes
.
at
)
{
parseResponseFile
(
s
.
slice
(
1
)
)
;
}
else
if
(
s
.
charCodeAt
(
0
)
===
CharacterCodes
.
minus
)
{
s
=
s
.
slice
(
s
.
charCodeAt
(
1
)
===
CharacterCodes
.
minus
?
2
:
1
)
.
toLowerCase
(
)
;
// Try to translate short option names to their full equivalents.
if
(
hasProperty
(
shortOptionNames
,
s
)
)
{
s
=
shortOptionNames
[
s
]
;
}
if
(
hasProperty
(
optionNameMap
,
s
)
)
{
var
opt
=
optionNameMap
[
s
]
;
// Check to see if no argument was provided (e.g. "--locale" is the last command-line argument).
if
(
!
args
[
i
]
&&
opt
.
type
!==
"boolean"
)
{
errors
.
push
(
createCompilerDiagnostic
(
Diagnostics
.
Compiler_option_0_expects_an_argument
,
opt
.
name
)
)
;
}
switch
(
opt
.
type
)
{
case
"number"
:
options
[
opt
.
name
]
=
parseInt
(
args
[
i
++
]
)
;
break
;
case
"boolean"
:
options
[
opt
.
name
]
=
true
;
break
;
case
"string"
:
options
[
opt
.
name
]
=
args
[
i
++
]
||
""
;
break
;
// If not a primitive, the possible types are specified in what is effectively a map of options.
default
:
var
map
=
<
Map
<
number
>
>
opt
.
type
;
var
key
=
(
args
[
i
++
]
||
""
)
.
toLowerCase
(
)
;
if
(
hasProperty
(
map
,
key
)
)
{
options
[
opt
.
name
]
=
map
[
key
]
;
}
else
{
errors
.
push
(
createCompilerDiagnostic
(
opt
.
error
)
)
;
}
}
}
else
{
errors
.
push
(
createCompilerDiagnostic
(
Diagnostics
.
Unknown_compiler_option_0
,
s
)
)
;
}
}
else
{
fileNames
.
push
(
s
)
;
}
}
}
function
parseResponseFile
(
fileName
:
string
)
{
var
text
=
sys
.
readFile
(
fileName
)
;
if
(
!
text
)
{
errors
.
push
(
createCompilerDiagnostic
(
Diagnostics
.
File_0_not_found
,
fileName
)
)
;
return
;
}
var
args
:
string
[
]
=
[
]
;
var
pos
=
0
;
while
(
true
)
{
while
(
pos
<
text
.
length
&&
text
.
charCodeAt
(
pos
)
<=
CharacterCodes
.
space
)
pos
++
;
if
(
pos
>=
text
.
length
)
break
;
var
start
=
pos
;
if
(
text
.
charCodeAt
(
start
)
===
CharacterCodes
.
doubleQuote
)
{
pos
++
;
while
(
pos
<
text
.
length
&&
text
.
charCodeAt
(
pos
)
!==
CharacterCodes
.
doubleQuote
)
pos
++
;
if
(
pos
<
text
.
length
)
{
args
.
push
(
text
.
substring
(
start
+
1
,
pos
)
)
;
pos
++
;
}
else
{
errors
.
push
(
createCompilerDiagnostic
(
Diagnostics
.
Unterminated_quoted_string_in_response_file_0
,
fileName
)
)
;
}
}
else
{
while
(
text
.
charCodeAt
(
pos
)
>
CharacterCodes
.
space
)
pos
++
;
args
.
push
(
text
.
substring
(
start
,
pos
)
)
;
}
}
parseStrings
(
args
)
;
}
}
/**
* Read tsconfig.json file
*
@param
fileName The path to the config file
*/
export
function
readConfigFile
(
fileName
:
string
)
:
{
config
?:
any
;
error
?:
Diagnostic
}
{
try
{
var
text
=
sys
.
readFile
(
fileName
)
;
}
catch
(
e
)
{
return
{
error
:
createCompilerDiagnostic
(
Diagnostics
.
Cannot_read_file_0_Colon_1
,
fileName
,
e
.
message
)
}
;
}
return
parseConfigFileText
(
fileName
,
text
)
;
}
/**
* Parse the text of the tsconfig.json file
*
@param
fileName The path to the config file
*
@param
jsonText The text of the config file
*/
export
function
parseConfigFileText
(
fileName
:
string
,
jsonText
:
string
)
:
{
config
?:
any
;
error
?:
Diagnostic
}
{
try
{
return
{
config
:
/
\S
/
.
test
(
jsonText
)
?
JSON
.
parse
(
jsonText
)
:
{
}
}
;
}
catch
(
e
)
{
return
{
error
:
createCompilerDiagnostic
(
Diagnostics
.
Failed_to_parse_file_0_Colon_1
,
fileName
,
e
.
message
)
}
;
}
}
/**
* Parse the contents of a config file (tsconfig.json).
*
@param
json The contents of the config file to parse
*
@param
basePath A root directory to resolve relative path entries in the config
* file to. e.g. outDir
*/
export
function
parseConfigFile
(
json
:
any
,
host
:
ParseConfigHost
,
basePath
:
string
)
:
ParsedCommandLine
{
var
errors
:
Diagnostic
[
]
=
[
]
;
return
{
options
:
getCompilerOptions
(
)
,
fileNames
:
getFiles
(
)
,
errors
}
;
function
getCompilerOptions
(
)
:
CompilerOptions
{
var
options
:
CompilerOptions
=
{
}
;
var
optionNameMap
:
Map
<
CommandLineOption
>
=
{
}
;
forEach
(
optionDeclarations
,
option
=>
{
optionNameMap
[
option
.
name
]
=
option
;
}
)
;
var
jsonOptions
=
json
[
"compilerOptions"
]
;
if
(
jsonOptions
)
{
for
(
var
id
in
jsonOptions
)
{
if
(
hasProperty
(
optionNameMap
,
id
)
)
{
var
opt
=
optionNameMap
[
id
]
;
var
optType
=
opt
.
type
;
var
value
=
jsonOptions
[
id
]
;
var
expectedType
=
typeof
optType
===
"string"
?
optType
:
"string"
;
if
(
typeof
value
===
expectedType
)
{
if
(
typeof
optType
!==
"string"
)
{
var
key
=
value
.
toLowerCase
(
)
;
if
(
hasProperty
(
optType
,
key
)
)
{
value
=
optType
[
key
]
;
}
else
{
errors
.
push
(
createCompilerDiagnostic
(
opt
.
error
)
)
;
value
=
0
;
}
}
if
(
opt
.
isFilePath
)
{
value
=
normalizePath
(
combinePaths
(
basePath
,
value
)
)
;
}
options
[
opt
.
name
]
=
value
;
}
else
{
errors
.
push
(
createCompilerDiagnostic
(
Diagnostics
.
Compiler_option_0_requires_a_value_of_type_1
,
id
,
expectedType
)
)
;
}
}
else
{
errors
.
push
(
createCompilerDiagnostic
(
Diagnostics
.
Unknown_compiler_option_0
,
id
)
)
;
}
}
}
return
options
;
}
function
getFiles
(
)
:
string
[
]
{
var
files
:
string
[
]
=
[
]
;
if
(
hasProperty
(
json
,
"files"
)
)
{
if
(
json
[
"files"
]
instanceof
Array
)
{
var
files
=
map
(
<
string
[
]
>
json
[
"files"
]
,
s
=>
combinePaths
(
basePath
,
s
)
)
;
}
}
else
{
var
sysFiles
=
host
.
readDirectory
(
basePath
,
".ts"
)
;
for
(
var
i
=
0
;
i
<
sysFiles
.
length
;
i
++
)
{
var
name
=
sysFiles
[
i
]
;
if
(
!
fileExtensionIs
(
name
,
".d.ts"
)
||
!
contains
(
sysFiles
,
name
.
substr
(
0
,
name
.
length
-
5
)
+
".ts"
)
)
{
files
.
push
(
name
)
;
}
}
}
return
files
;
}
}
}
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