Documentation
¶
Overview ¶
wat记号类型
Index ¶
- type File
- func (f *File) AddLine(offset int)
- func (f *File) AddLineColumnInfo(offset int, filename string, line, column int)
- func (f *File) AddLineInfo(offset int, filename string, line int)
- func (f *File) Line(p Pos) int
- func (f *File) LineCount() int
- func (f *File) LineStart(line int) int
- func (f *File) MergeLine(line int)
- func (f *File) Name() string
- func (f *File) Position(p Pos) (pos Position)
- func (f *File) PositionFor(p Pos, adjusted bool) (pos Position)
- func (f *File) SetLines(lines []int) bool
- func (f *File) SetLinesForContent(content []byte)
- func (f *File) Size() int
- type Pos
- type Position
- type Token
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type File ¶
type File struct {
// contains filtered or unexported fields
}
A File is a handle for a file belonging to a FileSet. A File has a name, size, and line offset table.
func (*File) AddLine ¶
AddLine adds the line offset for a new line. The line offset must be larger than the offset for the previous line and smaller than the file size; otherwise the line offset is ignored.
func (*File) AddLineColumnInfo ¶
AddLineColumnInfo adds alternative file, line, and column number information for a given file offset. The offset must be larger than the offset for the previously added alternative line info and smaller than the file size; otherwise the information is ignored.
AddLineColumnInfo is typically used to register alternative position information for line directives such as //line filename:line:column.
func (*File) AddLineInfo ¶
AddLineInfo is like AddLineColumnInfo with a column = 1 argument. It is here for backward-compatibility for code prior to Go 1.11.
func (*File) Line ¶
Line returns the line number for the given file position p; p must be a Pos value in that file or NoPos.
func (*File) LineStart ¶
LineStart returns the Pos value of the start of the specified line. It ignores any alternative positions set using AddLineColumnInfo. LineStart panics if the 1-based line number is invalid.
func (*File) MergeLine ¶
MergeLine merges a line with the following line. It is akin to replacing the newline character at the end of the line with a space (to not change the remaining offsets). To obtain the line number, consult e.g. Position.Line. MergeLine will panic if given an invalid line number.
func (*File) Position ¶
Position returns the Position value for the given file position p. Calling f.Position(p) is equivalent to calling f.PositionFor(p, true).
func (*File) PositionFor ¶
PositionFor returns the Position value for the given file position p. If adjusted is set, the position may be adjusted by position-altering //line comments; otherwise those comments are ignored. p must be a Pos value in f or NoPos.
func (*File) SetLines ¶
SetLines sets the line offsets for a file and reports whether it succeeded. The line offsets are the offsets of the first character of each line; for instance for the content "ab\nc\n" the line offsets are {0, 3}. An empty file has an empty line offset table. Each line offset must be larger than the offset for the previous line and smaller than the file size; otherwise SetLines fails and returns false. Callers must not mutate the provided slice after SetLines returns.
func (*File) SetLinesForContent ¶
SetLinesForContent sets the line offsets for the given file content. It ignores position-altering //line comments.
type Position ¶
type Position struct {
Filename string // filename, if any
Offset int // offset, starting at 0
Line int // line number, starting at 1
Column int // column number, starting at 1 (byte count)
}
Position describes an arbitrary source position including the file, line, and column location. A Position is valid if the line number is > 0.
func (Position) String ¶
String returns a string in one of several forms:
file:line:column valid position with file name file:line valid position with file name but no column (column == 0) line:column valid position without file name line valid position without file name and no column (column == 0) file invalid position with file name - invalid position without file name
type Token ¶
type Token int
记号类型
const ( // 非法/结尾/注释 ILLEGAL Token = iota EOF COMMENT LPAREN // ( RPAREN // ) ASSIGN // =, i32.load offset=8 align=4 IDENT // 标识符, 比如 $name INT // 12345 FLOAT // 123.45 CHAR // 'a' STRING // "abc" I32 // i32 I64 // i64 F32 // f32 F64 // f64 MUT // mut FUNCREF // funcref OFFSET // offset ALIGN // align MODULE // module IMPORT // import EXPORT // export MEMORY // memory TABLE // table GLOBAL // global LOCAL // local DATA // data ELEM // elem TYPE // type FUNC // func PARAM // param RESULT // result START // start INS_UNREACHABLE // 0x00, unreachable INS_NOP // 0x01, nop INS_BLOCK // 0x02, block INS_LOOP // 0x03, loop INS_IF // 0x04, if INS_ELSE // 0x05, else INS_END // 0x0b, end INS_BR // 0x0c, br INS_BR_IF // 0x0d, br_if INS_BR_TABLE // 0x0e, br_table INS_RETURN // 0x0f, return INS_CALL // 0x10, call INS_CALL_INDIRECT // 0x11, call_indirect INS_DROP // 0x1a, drop INS_SELECT // 0x1b, select INS_LOCAL_GET // 0x20, local.get INS_LOCAL_SET // 0x21, local.set INS_LOCAL_TEE // 0x22, local.tee INS_GLOBAL_GET // 0x23, global.get INS_GLOBAL_SET // 0x24, global.set INS_TABLE_GET // 0x25, table.get INS_TABLE_SET // 0x26, table.set INS_I32_LOAD // 0x28, i32.load INS_I64_LOAD // 0x29, i64.load INS_F32_LOAD // 0x2a, f32.load INS_F64_LOAD // 0x2b, f64.load INS_I32_LOAD8_S // 0x2c, i32.load8_s INS_I32_LOAD8_U // 0x2d, i32.load8_u INS_I32_LOAD16_S // 0x2e, i32.load16_s INS_I32_LOAD16_U // 0x2f, i32.load16_u INS_I64_LOAD8_S // 0x30, i64.load8_s INS_I64_LOAD8_U // 0x31, i64.load8_u INS_I64_LOAD16_S // 0x31, i64.load16_s INS_I64_LOAD16_U // 0x33, i64.load16_u INS_I64_LOAD32_S // 0x34, i64.load32_s INS_I64_LOAD32_U // 0x35, i64.load32_u INS_I32_STORE // 0x36, i32.store INS_I64_STORE // 0x37, i64.store INS_F32_STORE // 0x38, f32.store INS_F64_STORE // 0x39, f64.store INS_I32_STORE8 // 0x3a, i32.store8 INS_I32_STORE16 // 0x3b, i32.store16 INS_I64_STORE8 // 0x3c, i64.store8 INS_I64_STORE16 // 0x3d, i64.store16 INS_I64_STORE32 // 0x3e, i64.store32 INS_MEMORY_SIZE // 0x3f, memory.size INS_MEMORY_GROW // 0x40, memory.grow INS_MEMORY_INIT // 0xfc 0x08, memory.init INS_MEMORY_COPY // 0xfc 0x0a, memory.copy INS_MEMORY_FILL // 0xfc 0x0b, memory.fill INS_I32_CONST // 0x41, i32.const INS_I64_CONST // 0x42, i64.const INS_F32_CONST // 0x43, f32.const INS_F64_CONST // 0x44, f64.const INS_I32_EQZ // 0x45, i32.eqz INS_I32_EQ // 0x46, i32.eq INS_I32_NE // 0x47, i32.ne INS_I32_LT_S // 0x48, i32.lt_s INS_I32_LT_U // 0x49, i32.lt_u INS_I32_GT_S // 0x4a, i32.gt_s INS_I32_GT_U // 0x4b, i32.gt_u INS_I32_LE_S // 0x4c, i32.le_s INS_I32_LE_U // 0x4d, i32.le_u INS_I32_GE_S // 0x4e, i32.ge_s INS_I32_GE_U // 0x4f, i32.ge_u INS_I64_EQZ // 0x50, i64.eqz INS_I64_EQ // 0x51, i64.eq INS_I64_NE // 0x52, i64.ne INS_I64_LT_S // 0x53, i64.lt_s INS_I64_LT_U // 0x54, i64.lt_u INS_I64_GT_S // 0x55, i64.gt_s INS_I64_GT_U // 0x56, i64.gt_u INS_I64_LE_S // 0x57, i64.le_s INS_I64_LE_U // 0x58, i64.le_u INS_I64_GE_S // 0x59, i64.ge_s INS_I64_GE_U // 0x5a, i64.ge_u INS_F32_EQ // 0x5b, f32.eq INS_F32_NE // 0x5c, f32.ne INS_F32_LT // 0x5d, f32.lt INS_F32_GT // 0x5e, f32.gt INS_F32_LE // 0x5f, f32.le INS_F32_GE // 0x60, f32.ge INS_F64_EQ // 0x61, f64.eq INS_F64_NE // 0x62, f64.ne INS_F64_LT // 0x63, f64.lt INS_F64_GT // 0x64, f64.gt INS_F64_LE // 0x65, f64.le INS_F64_GE // 0x66, f64.ge INS_I32_CLZ // 0x67, i32.clz INS_I32_CTZ // 0x68, i32.ctz INS_I32_POPCNT // 0x69, i32.popcnt INS_I32_ADD // 0x6a, i32.add INS_I32_SUB // 0x6b, i32.sub INS_I32_MUL // 0x6c, i32.mul INS_I32_DIV_S // 0x6d, i32.div_s INS_I32_DIV_U // 0x6e, i32.div_u INS_I32_REM_S // 0x6f, i32.rem_s INS_I32_REM_U // 0x70, i32.rem_u INS_I32_AND // 0x71, i32.and INS_I32_OR // 0x72, i32.or INS_I32_XOR // 0x73, i32.xor INS_I32_SHL // 0x74, i32.shl INS_I32_SHR_S // 0x75, i32.shr_s INS_I32_SHR_U // 0x76, i32.shr_u INS_I32_ROTL // 0x77, i32.rotl INS_I32_ROTR // 0x78, i32.rotr INS_I64_CLZ // 0x79, i64.clz INS_I64_CTZ // 0x7a, i64.ctz INS_I64_POPCNT // 0x7b, i64.popcnt INS_I64_ADD // 0x7c, i64.add INS_I64_SUB // 0x7d, i64.sub INS_I64_MUL // 0x7e, i64.mul INS_I64_DIV_S // 0x7f, i64.div_s INS_I64_DIV_U // 0x80, i64.div_u INS_I64_REM_S // 0x81, i64.rem_s INS_I64_REM_U // 0x82, i64.rem_u INS_I64_AND // 0x83, i64.and INS_I64_OR // 0x84, i64.or INS_I64_XOR // 0x85, i64.xor INS_I64_SHL // 0x86, i64.shl INS_I64_SHR_S // 0x87, i64.shr_s INS_I64_SHR_U // 0x88, i64.shr_u INS_I64_ROTL // 0x89, i64.rotl INS_I64_ROTR // 0x8a, i64.rotr INS_F32_ABS // 0x8b, f32.abs INS_F32_NEG // 0x8c, f32.neg INS_F32_CEIL // 0x8d, f32.ceil INS_F32_FLOOR // 0x8e, f32.floor INS_F32_TRUNC // 0x8f, f32.trunc INS_F32_NEAREST // 0x90, f32.nearest INS_F32_SQRT // 0x91, f32.sqrt INS_F32_ADD // 0x92, f32.add INS_F32_SUB // 0x93, f32.sub INS_F32_MUL // 0x94, f32.mul INS_F32_DIV // 0x95, f32.div INS_F32_MIN // 0x96, f32.min INS_F32_MAX // 0x97, f32.max INS_F32_COPYSIGN // 0x98, f32.copysign INS_F64_ABS // 0x99, f64.abs INS_F64_NEG // 0x9a, f64.neg INS_F64_CEIL // 0x9b, f64.ceil INS_F64_FLOOR // 0x9c, f64.floor INS_F64_TRUNC // 0x9d, f64.trunc INS_F64_NEAREST // 0x9e, f64.nearest INS_F64_SQRT // 0x9f, f64.sqrt INS_F64_ADD // 0xa0, f64.add INS_F64_SUB // 0xa1, f64.sub INS_F64_MUL // 0xa2, f64.mul INS_F64_DIV // 0xa3, f64.div INS_F64_MIN // 0xa4, f64.min INS_F64_MAX // 0xa5, f64.max INS_F64_COPYSIGN // 0xa6, f64.copysign INS_I32_WRAP_I64 // 0xa7, i32.wrap_i64 INS_I32_TRUNC_F32_S // 0xa8, i32.trunc_f32_s INS_I32_TRUNC_F32_U // 0xa9, i32.trunc_f32_u INS_I32_TRUNC_F64_S // 0xaa, i32.trunc_f64_s INS_I32_TRUNC_F64_U // 0xab, i32.trunc_f64_u INS_I64_EXTEND_I32_S // 0xac, i64.extend_i32_s INS_I64_EXTEND_I32_U // 0xad, i64.extend_i32_u INS_I64_TRUNC_F32_S // 0xae, i64.trunc_f32_s INS_I64_TRUNC_F32_U // 0xaf, i64.trunc_f32_u INS_I64_TRUNC_F64_S // 0xb0, i64.trunc_f64_s INS_I64_TRUNC_F64_U // 0xb1, i64.trunc_f64_u INS_F32_CONVERT_I32_S // 0xb2, f32.convert_i32_s INS_F32_CONVERT_I32_U // 0xb3, f32.convert_i32_u INS_F32_CONVERT_I64_S // 0xb4, f32.convert_i64_s INS_F32_CONVERT_I64_U // 0xb5, f32.convert_i64_u INS_F32_DEMOTE_F64 // 0xb6, f32.demote_f64 INS_F64_CONVERT_I32_S // 0xb7, f64.convert_i32_s INS_F64_CONVERT_I32_U // 0xb8, f64.convert_i32_u INS_F64_CONVERT_I64_S // 0xb9, f64.convert_i64_s INS_F64_CONVERT_I64_U // 0xba, f64.convert_i64_u INS_F64_PROMOTE_F32 // 0xbb, f64.promote_f32 INS_I32_REINTERPRET_F32 // 0xbc, i32.reinterpret_f32 INS_I64_REINTERPRET_F64 // 0xbd, i64.reinterpret_f64 INS_F32_REINTERPRET_I32 // 0xbe, f32.reinterpret_i32 INS_F64_REINTERPRET_I64 // 0xbf, f64.reinterpret_i64 )
Source Files