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RpgParser.g4
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parser grammar RpgParser;
//import FreeOpsParser;
options { tokenVocab = RpgLexer; }
r: (dcl_pr
| dcl_pi
| ctl_opt
// |dspec_continuation
// | (dspec_continuation* dspec_fixed)
| subroutine
| statement
| procedure
)*
endSourceBlock?
;
statement:
dspec
| dcl_ds
| dcl_c
| (dspec_fixed)
| ospec_fixed
| fspec
| fspec_fixed
| block
| cspec_fixed
| blank_spec
| cspec_fixed_sql
| ispec_fixed
| hspec_fixed
| star_comments
| free_linecomments
| blank_line
| directive
| free
;
endSourceBlock: (endSource)+;
endSource: endSourceHead endSourceLine*;
endSourceHead: END_SOURCE ;
endSourceLine: endSourceLineText EOL?;
endSourceLineText: EOS_Text;
star_comments: COMMENT_SPEC_FIXED comments?;//comments COMMENTS_EOL;
free_comments: COMMENTS comments COMMENTS_EOL;
free_linecomments: COMMENTS comments;
comments: COMMENTS_TEXT;
//just_comments: COMMENTS COMMENTS_TEXT COMMENTS_EOL;
dspec:
(DS_Standalone name=identifier datatype?
(keyword+)? FREE_SEMI free_linecomments?
)
| dspecConstant
| (
DS_FIXED ds_name EXTERNAL_DESCRIPTION DATA_STRUCTURE_TYPE DEF_TYPE_S FROM_POSITION TO_POSITION
DATA_TYPE DECIMAL_POSITIONS RESERVED keyword* (EOL|EOF)
)
;
dspecConstant:
DS_FIXED ds_name EXTERNAL_DESCRIPTION DATA_STRUCTURE_TYPE DEF_TYPE_C FROM_POSITION TO_POSITION
DATA_TYPE DECIMAL_POSITIONS RESERVED number (EOL|EOF);
datatype: datatypeName args?;
keyword:
keyword_alias
| keyword_align
| keyword_alt
| keyword_altseq
| keyword_ascend
| keyword_based
| keyword_ccsid
| keyword_class
| keyword_const
| keyword_ctdata
| keyword_datfmt
| keyword_descend
| keyword_dim
| keyword_dtaara
| keyword_export
| keyword_ext
| keyword_extfld
| keyword_extfmt
| keyword_extname
| keyword_extpgm
| keyword_extproc
| keyword_fromfile
| keyword_import
| keyword_inz
| keyword_len
| keyword_like
| keyword_likeds
| keyword_likefile
| keyword_likerec
| keyword_noopt
| keyword_occurs
| keyword_opdesc
| keyword_options
| keyword_overlay
| keyword_packeven
| keyword_perrcd
| keyword_prefix
| keyword_pos
| keyword_procptr
| keyword_qualified
| keyword_rtnparm
| keyword_static
| keyword_sqltype
| keyword_template
| keyword_timfmt
| keyword_tofile
| keyword_value
| keyword_varying
| keyword_psds
| dspec_bif;
//
// BIFs allow on dspec.
dspec_bif : bif_elem;
keyword_alias : KEYWORD_ALIAS;
keyword_align : KEYWORD_ALIGN;
keyword_alt : KEYWORD_ALT OPEN_PAREN array_name=simpleExpression CLOSE_PAREN;
keyword_altseq : KEYWORD_ALTSEQ OPEN_PAREN SPLAT_NONE CLOSE_PAREN;
keyword_ascend : KEYWORD_ASCEND;
keyword_based : KEYWORD_BASED OPEN_PAREN basing_pointer_name=simpleExpression CLOSE_PAREN;
keyword_ccsid : KEYWORD_CCSID OPEN_PAREN (number | SPLAT_DFT) CLOSE_PAREN;
keyword_class : KEYWORD_CLASS OPEN_PAREN SPLAT_JAVA COLON class_name=simpleExpression CLOSE_PAREN;
keyword_const : KEYWORD_CONST (OPEN_PAREN constant=simpleExpression CLOSE_PAREN)?;
keyword_ctdata: KEYWORD_CTDATA;
keyword_datfmt : KEYWORD_DATFMT OPEN_PAREN (simpleExpression | symbolicConstants) (dateSeparator)? CLOSE_PAREN;
dateSeparator : AMPERSAND | MINUS | DIV | FREE_DOT;
keyword_descend : KEYWORD_DESCEND;
keyword_dim: KEYWORD_DIM OPEN_PAREN (numeric_constant=simpleExpression) CLOSE_PAREN;
keyword_dtaara: KEYWORD_DTAARA (OPEN_PAREN (SPLAT_VAR COLON)? (name=literal | nameVariable=simpleExpression) CLOSE_PAREN)?;
keyword_export : KEYWORD_EXPORT (OPEN_PAREN external_name=simpleExpression CLOSE_PAREN)?;
keyword_ext : KEYWORD_EXT;
keyword_extfld : KEYWORD_EXTFLD OPEN_PAREN field_name=simpleExpression CLOSE_PAREN;
keyword_extfmt : KEYWORD_EXTFMT OPEN_PAREN code=simpleExpression CLOSE_PAREN;
keyword_extname : KEYWORD_EXTNAME OPEN_PAREN file_name=simpleExpression (COLON format_name=simpleExpression)?
(COLON (SPLAT_ALL| SPLAT_INPUT | SPLAT_OUTPUT | SPLAT_KEY))? CLOSE_PAREN;
keyword_extpgm : KEYWORD_EXTPGM (OPEN_PAREN name=simpleExpression CLOSE_PAREN)?;
keyword_extproc : KEYWORD_EXTPROC OPEN_PAREN
((SPLAT_JAVA COLON class_name=simpleExpression COLON)
| (identifier COLON) //TODO *CL|*CWIDEN|*CNOWIDEN|
)?
name=simpleExpression
CLOSE_PAREN;
keyword_fromfile : KEYWORD_FROMFILE OPEN_PAREN file_name=simpleExpression CLOSE_PAREN;
keyword_import : KEYWORD_IMPORT (OPEN_PAREN external_name=simpleExpression CLOSE_PAREN)?;
keyword_inz: KEYWORD_INZ (OPEN_PAREN simpleExpression CLOSE_PAREN)?;
keyword_len : KEYWORD_LEN OPEN_PAREN length=simpleExpression CLOSE_PAREN;
keyword_like : KEYWORD_LIKE OPEN_PAREN name=simpleExpression (COLON like_lengthAdjustment)? CLOSE_PAREN;
keyword_likeds : KEYWORD_LIKEDS OPEN_PAREN data_structure_name=simpleExpression CLOSE_PAREN;
keyword_likefile : KEYWORD_LIKEFILE OPEN_PAREN file_name=simpleExpression CLOSE_PAREN;
keyword_likerec : KEYWORD_LIKEREC OPEN_PAREN intrecname=simpleExpression
(COLON (SPLAT_ALL | SPLAT_INPUT | SPLAT_OUTPUT | SPLAT_KEY))?
CLOSE_PAREN;
keyword_noopt : KEYWORD_NOOPT;
keyword_occurs : KEYWORD_OCCURS OPEN_PAREN (numeric_constant=number | function | identifier) CLOSE_PAREN;
keyword_opdesc : KEYWORD_OPDESC;
keyword_options : KEYWORD_OPTIONS OPEN_PAREN identifier (COLON identifier)* CLOSE_PAREN;
keyword_overlay : KEYWORD_OVERLAY OPEN_PAREN name=simpleExpression (COLON (SPLAT_NEXT | pos=simpleExpression))? CLOSE_PAREN;
keyword_packeven : KEYWORD_PACKEVEN;
keyword_perrcd : KEYWORD_PERRCD OPEN_PAREN numeric_constant=simpleExpression CLOSE_PAREN;
keyword_prefix : KEYWORD_PREFIX OPEN_PAREN prefix=simpleExpression (COLON nbr_of_char_replaced=simpleExpression)? CLOSE_PAREN;
keyword_pos : KEYWORD_POS OPEN_PAREN numeric_constant=simpleExpression CLOSE_PAREN;
keyword_procptr : KEYWORD_PROCPTR;
keyword_qualified : KEYWORD_QUALIFIED;
keyword_rtnparm : KEYWORD_RTNPARM;
keyword_static : KEYWORD_STATIC (OPEN_PAREN SPLAT_ALLTHREAD CLOSE_PAREN)?;
keyword_sqltype : KEYWORD_SQLTYPE (OPEN_PAREN id=simpleExpression (COLON number)? CLOSE_PAREN)?;
keyword_template : KEYWORD_TEMPLATE;
keyword_timfmt : KEYWORD_TIMFMT OPEN_PAREN format=simpleExpression COLON? CLOSE_PAREN; //TODO separator
keyword_tofile : KEYWORD_TOFILE OPEN_PAREN file_name=simpleExpression (separator=simpleExpression)? CLOSE_PAREN;
keyword_value : KEYWORD_VALUE;
keyword_varying : KEYWORD_VARYING (OPEN_PAREN size=simpleExpression CLOSE_PAREN)?;
keyword_psds: KEYWORD_PSDS;
// File spec keywords
keyword_block: KEYWORD_BLOCK OPEN_PAREN symbolicConstants CLOSE_PAREN;
keyword_commit: (KEYWORD_COMMIT | OP_COMMIT)(OPEN_PAREN simpleExpression CLOSE_PAREN)?;
keyword_devid: KEYWORD_DEVID (OPEN_PAREN simpleExpression CLOSE_PAREN);
keyword_extdesc: KEYWORD_EXTDESC (OPEN_PAREN simpleExpression CLOSE_PAREN);
keyword_extfile: KEYWORD_EXTFILE (OPEN_PAREN (simpleExpression | symbolicConstants) CLOSE_PAREN);
keyword_extind: KEYWORD_EXTIND OPEN_PAREN simpleExpression CLOSE_PAREN;
keyword_extmbr: KEYWORD_EXTMBR OPEN_PAREN simpleExpression CLOSE_PAREN;
keyword_formlen: KEYWORD_FORMLEN OPEN_PAREN number CLOSE_PAREN;
keyword_formofl: KEYWORD_FORMOFL OPEN_PAREN number CLOSE_PAREN;
keyword_ignore: KEYWORD_IGNORE OPEN_PAREN simpleExpression (COLON simpleExpression)* CLOSE_PAREN;
keyword_include: KEYWORD_INCLUDE OPEN_PAREN simpleExpression (COLON simpleExpression)* CLOSE_PAREN;
keyword_indds: KEYWORD_INDDS OPEN_PAREN data_structure_name=simpleExpression CLOSE_PAREN;
keyword_infds: KEYWORD_INFDS OPEN_PAREN simpleExpression CLOSE_PAREN;
keyword_infsr: KEYWORD_INFSR OPEN_PAREN subr_name=simpleExpression CLOSE_PAREN;
keyword_keyloc: KEYWORD_KEYLOC OPEN_PAREN number CLOSE_PAREN;
keyword_maxdev: KEYWORD_MAXDEV OPEN_PAREN symbolicConstants CLOSE_PAREN;
keyword_oflind: KEYWORD_OFLIND OPEN_PAREN simpleExpression CLOSE_PAREN;
keyword_pass: KEYWORD_PASS OPEN_PAREN symbolicConstants CLOSE_PAREN;
keyword_pgmname: KEYWORD_PGMNAME OPEN_PAREN program_name=simpleExpression CLOSE_PAREN;
keyword_plist: KEYWORD_PLIST OPEN_PAREN plist_name=simpleExpression CLOSE_PAREN;
keyword_prtctl: KEYWORD_PRTCTL OPEN_PAREN data_struct=simpleExpression (COLON symbolicConstants)? CLOSE_PAREN;
keyword_rafdata: KEYWORD_RAFDATA OPEN_PAREN file_name=simpleExpression CLOSE_PAREN;
keyword_recno: KEYWORD_RECNO OPEN_PAREN field_name=simpleExpression CLOSE_PAREN;
keyword_rename: KEYWORD_RENAME OPEN_PAREN ext_format=simpleExpression COLON int_format=simpleExpression CLOSE_PAREN;
keyword_saveds: KEYWORD_SAVEDS OPEN_PAREN simpleExpression CLOSE_PAREN;
keyword_saveind: KEYWORD_SAVEIND OPEN_PAREN number CLOSE_PAREN;
keyword_sfile: KEYWORD_SFILE OPEN_PAREN recformat=simpleExpression COLON rrnfield=simpleExpression CLOSE_PAREN;
keyword_sln: KEYWORD_SLN OPEN_PAREN number CLOSE_PAREN;
keyword_usropn: KEYWORD_USROPN;
keyword_disk: KEYWORD_DISK (OPEN_PAREN SPLAT_EXT CLOSE_PAREN)?;
keyword_workstn: KEYWORD_WORKSTN;
keyword_printer: KEYWORD_PRINTER OPEN_PAREN symbolicConstants CLOSE_PAREN;
keyword_special: KEYWORD_SPECIAL;
keyword_keyed: KEYWORD_KEYED;
keyword_usage: KEYWORD_USAGE OPEN_PAREN (symbolicConstants | ID) (COLON (symbolicConstants | ID))* CLOSE_PAREN;
like_lengthAdjustment: sign number;
sign: PLUS | MINUS;
dcl_ds: (DS_DataStructureStart identifier keyword*
(
(
(FREE_SEMI
(star_comments | directive | dcl_ds_field)*
)?
end_dcl_ds
)
| keyword_likerec
| keyword_likeds)
FREE_SEMI
) |
(
DS_FIXED ds_name EXTERNAL_DESCRIPTION DATA_STRUCTURE_TYPE DEF_TYPE_DS FROM_POSITION TO_POSITION
DATA_TYPE DECIMAL_POSITIONS RESERVED keyword* (EOL|EOF)
((star_comments |directive | parm_fixed)* parm_fixed)?
);
//def_type: DEF_TYPE | DEF_TYPE_DS,
dcl_ds_field: DS_SubField? identifier (datatype | identifier)? keyword* FREE_SEMI;
end_dcl_ds: DS_DataStructureEnd identifier?;
dcl_pr: (DS_PrototypeStart identifier datatype? keyword* FREE_SEMI?
dcl_pr_field*
dcl_pi?
end_dcl_pr FREE_SEMI)
| (prBegin
parm_fixed*
);
dcl_pr_field: DS_Parm? (identifier (datatype | like=keyword_like) keyword* FREE_SEMI );
end_dcl_pr: DS_PrototypeEnd;
dcl_pi: (DS_ProcedureInterfaceStart identifier datatype? keyword* FREE_SEMI?
dcl_pi_field*
end_dcl_pi FREE_SEMI)
| (piBegin
pi_parm_fixed*
);
dcl_pi_field: DS_Parm? identifier (datatype | like=keyword_like) keyword* FREE_SEMI;
end_dcl_pi: DS_ProcedureInterfaceEnd;
dcl_c: (DS_Constant name=identifier (keyword_const | literal | SPLAT_ON | SPLAT_OFF | SPLAT_ZEROS | SPLAT_BLANKS)? FREE_SEMI)
| (
DS_FIXED ds_name EXTERNAL_DESCRIPTION DATA_STRUCTURE_TYPE DEF_TYPE_C FROM_POSITION TO_POSITION
DATA_TYPE DECIMAL_POSITIONS RESERVED (keyword_const | literal | dspec_bif | SPLAT_ON | SPLAT_OFF | SPLAT_ZEROS | SPLAT_BLANKS)? (EOL|EOF)
)
;
ctl_opt: H_SPEC (identifier | expression)* FREE_SEMI ;
datatypeName:
CHAR
| DATE_
| VARCHAR
| UCS2
| VARUCS2
| GRAPH
| VARGRAPH
| IND
| PACKED
| ZONED
| BINDEC
| INT
| UNS
| FLOAT
| TIME
| TIMESTAMP
| POINTER
| OBJECT;
block:
((csDOUxx | csDOWxx | begindou | begindow | begindo)
statement*
enddo
)
| ifstatement
| selectstatement
| forstatement
| monitorstatement
| casestatement
;
ifstatement:
(beginif
thenBody+=statement*
elseIfClause*
elseClause?
endif)
;
elseIfClause:
(elseifstmt statement*)
;
elseClause:
(elsestmt statement*)
;
casestatement:
((CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor)
(csCASEQ
| csCASNE
| csCASLE
| csCASLT
| csCASGE
| csCASGT
| csCAS))+
casestatementend
;
casestatementend:
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
(csEND | csENDCS)
;
monitorstatement:
beginmonitor
statement*
onError*
endmonitor
;
beginmonitor:
(op_monitor FREE_SEMI)
|
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
csMONITOR
;
endmonitor:
(op_endmon FREE_SEMI)
|
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
csENDMON
;
onError:
((op_on_error FREE_SEMI)
|
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
csON_ERROR
)
statement*
;
selectstatement:
beginselect
whenstatement*
other?
endselect
;
other:
(CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
csOTHER
)
| (op_other FREE_SEMI free_linecomments? )
;
beginselect:
(CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag
indicators=cs_indicators
factor1=factor
csSELECT
)
| (op_select FREE_SEMI free_linecomments? )
;
whenstatement:
(csWHENxx
| when
)
statement*
;
when:
(CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag
indicators=cs_indicators
factor1=factor
csWHEN
)
| (op_when FREE_SEMI free_linecomments? )
statement*
;
csWHENxx:
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
(csWHENEQ
| csWHENNE
| csWHENLE
| csWHENLT
| csWHENGE
| csWHENGT)
andConds=csANDxx*
orConds=csORxx*
;
endselect:
(
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
(csEND | csENDSL)
)
| (op_endsl FREE_SEMI free_linecomments? );
beginif:
csIFxx
| (CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag
indicators=cs_indicators
factor1=factor
OP_IF cs_operationExtender?
fixedexpression=c_free
(C_FREE_NEWLINE | EOF)
)
| (op_if FREE_SEMI free_linecomments? )
;
begindou:
(CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
csDOU
)
| (op_dou FREE_SEMI free_linecomments?)
;
begindow:
(CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
csDOW
)
| (op_dow FREE_SEMI free_linecomments?)
;
begindo:
(CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
csDO
)
| (op_dow FREE_SEMI free_linecomments?)
;
elseifstmt:
(CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag
indicators=cs_indicators
factor1=factor
OP_ELSEIF cs_operationExtender?
fixedexpression=c_free
(C_FREE_NEWLINE | EOF)
)
| (op_elseif FREE_SEMI free_linecomments? )
;
elsestmt:
(CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag
indicators=cs_indicators
factor1=factor
OP_ELSE
cspec_fixed_standard_parts
)
| (op_else FREE_SEMI free_linecomments? )
;
csIFxx:
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
(csIFEQ
| csIFNE
| csIFLE
| csIFLT
| csIFGE
| csIFGT)
andConds=csANDxx*
orConds=csORxx*
;
csDOUxx:
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
(csDOUEQ
| csDOUNE
| csDOULE
| csDOULT
| csDOUGE
| csDOUGT)
andConds=csANDxx*
orConds=csORxx*
;
csDOWxx:
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
(csDOWEQ
| csDOWNE
| csDOWLE
| csDOWLT
| csDOWGE
| csDOWGT)
andConds=csANDxx*
orConds=csORxx*
;
complexCondxx:
csANDxx
|csORxx
;
csANDxx:
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
(csANDEQ
| csANDNE
| csANDLE
| csANDLT
| csANDGE
| csANDGT
)
;
csORxx:
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
(csOREQ
| csORNE
| csORLE
| csORLT
| csORGE
| csORGT
)
andConds=csANDxx*
;
forstatement:
beginfor
statement*
endfor
;
beginfor:
(CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag
indicators=cs_indicators
factor1=factor
csFOR)
| (op_for FREE_SEMI free_linecomments? )
;
endif:
(
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
(csEND | csENDIF)
)
| (op_endif FREE_SEMI free_linecomments? );
enddo:
(
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
(csEND | csENDDO)
)
| (op_enddo FREE_SEMI free_linecomments? );
endfor:
(
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
(csEND | csENDFOR)
)
| (op_endfor FREE_SEMI free_linecomments? );
dspec_fixed: DS_FIXED ds_name EXTERNAL_DESCRIPTION DATA_STRUCTURE_TYPE DEF_TYPE FROM_POSITION TO_POSITION
DATA_TYPE DECIMAL_POSITIONS RESERVED keyword* (EOL|EOF);
ds_name: CONTINUATION_NAME* NAME;
ospec_fixed: OS_FIXED (((OS_RecordName
OS_Type
(os_fixed_pgmdesc1 | os_fixed_pgmdesc2)) | os_fixed_pgmfield)
|os_fixed_pgmdesc_compound)
OS_Comments?
(EOL | EOF);
os_fixed_pgmdesc1:
OS_FetchOverflow
outputConditioningOnOffIndicator
outputConditioningOnOffIndicator
outputConditioningOnOffIndicator
OS_ExceptName
OS_Space3 OS_Space3 OS_Space3 OS_Space3
OS_RemainingSpace;
outputConditioningOnOffIndicator:
onOffIndicatorsFlag
outputConditioningIndicator;
outputConditioningIndicator:
BlankIndicator
| GeneralIndicator
| FunctionKeyIndicator
| ControlLevelIndicator
| HaltIndicator
| ExternalIndicator
| OverflowIndicator
| MatchingRecordIndicator
| LastRecordIndicator
| ReturnIndicator
| FirstPageIndicator;
os_fixed_pgmdesc_compound:
OS_AndOr
outputConditioningOnOffIndicator
outputConditioningOnOffIndicator
outputConditioningOnOffIndicator
OS_ExceptName
OS_Space3 OS_Space3 OS_Space3 OS_Space3
OS_RemainingSpace;
os_fixed_pgmdesc2:
OS_AddDelete
outputConditioningOnOffIndicator
outputConditioningOnOffIndicator
outputConditioningOnOffIndicator
OS_ExceptName
OS_RemainingSpace;
os_fixed_pgmfield:
OS_FieldReserved
outputConditioningOnOffIndicator
outputConditioningOnOffIndicator
outputConditioningOnOffIndicator
OS_FieldName
OS_EditNames
OS_BlankAfter
OS_EndPosition
OS_DataFormat
literal?;
ps_name: PS_CONTINUATION_NAME* PS_NAME;
//dspec_continuation: DS_FIXED CONTINUATION_NAME (EOL|EOF);
fspec: FS_FreeFile filename
fs_keyword* FREE_SEMI;
filename: ID;
//fs_expression: (ID (OPEN_PAREN (fs_parm (COLON fs_parm)*)? CLOSE_PAREN)?);
fs_parm: expression | fs_string;
fs_string: (StringLiteralStart|HexLiteralStart|DateLiteralStart) (StringContent | StringEscapedQuote )* StringLiteralEnd;
fs_keyword:
keyword_alias
| keyword_block
| keyword_commit
| keyword_datfmt
| keyword_devid
| keyword_dim
| keyword_dtaara
| keyword_extdesc
| keyword_extfile
| keyword_extind
| keyword_extmbr
| keyword_formlen
| keyword_formofl
| keyword_ignore
| keyword_include
| keyword_indds
| keyword_infds
| keyword_infsr
| keyword_keyloc
| keyword_likefile
| keyword_maxdev
| keyword_oflind
| keyword_pass
| keyword_pgmname
| keyword_plist
| keyword_prefix
| keyword_prtctl
| keyword_qualified
| keyword_rafdata
| keyword_recno
| keyword_rename
| keyword_saveds
| keyword_saveind
| keyword_sfile
| keyword_sln
| keyword_static
| keyword_template
| keyword_timfmt
| keyword_tofile
| keyword_usropn
| keyword_value
| keyword_varying
| keyword_disk
| keyword_workstn
| keyword_printer
| keyword_special
| keyword_keyed
| keyword_usage;
fspec_fixed: FS_FIXED FS_RecordName FS_Type FS_Designation FS_EndOfFile FS_Addution
FS_Sequence FS_Format FS_RecordLength FS_Limits FS_LengthOfKey FS_RecordAddressType FS_Organization FS_Device FS_Reserved?
fs_keyword* (EOL|EOF);
cspec_fixed:
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
(cspec_fixed_standard|cspec_fixed_x2);
cspec_continuedIndicators:
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag
indicators=cs_indicators
EOL
CS_FIXED
;
cspec_blank:
CS_FIXED
BlankIndicator
BlankFlag
BlankIndicator
CS_BlankFactor
CS_OperationAndExtender_Blank
CS_BlankFactor
CS_BlankFactor
CS_FieldLength
CS_DecimalPositions
BlankIndicator
BlankIndicator
BlankIndicator
(EOL | EOF);
blank_spec:
cspec_blank
| ( DS_FIXED | FS_FIXED | IS_FIXED | OS_FIXED)
BLANK_SPEC
(EOL | EOF)
;
// -------- interfaces --------
piBegin: DS_FIXED ds_name EXTERNAL_DESCRIPTION DATA_STRUCTURE_TYPE DEF_TYPE_PI FROM_POSITION TO_POSITION
DATA_TYPE DECIMAL_POSITIONS RESERVED keyword* (EOL|EOF);
parm_fixed: DS_FIXED ds_name EXTERNAL_DESCRIPTION DATA_STRUCTURE_TYPE DEF_TYPE_BLANK FROM_POSITION TO_POSITION
DATA_TYPE DECIMAL_POSITIONS RESERVED keyword* (EOL|EOF);
pr_parm_fixed: DS_FIXED ds_name? EXTERNAL_DESCRIPTION DATA_STRUCTURE_TYPE DEF_TYPE_BLANK FROM_POSITION TO_POSITION
DATA_TYPE DECIMAL_POSITIONS RESERVED keyword* (EOL|EOF);
pi_parm_fixed : parm_fixed | (prBegin
pr_parm_fixed*
);
// -------- sub procedures --------
procedure:
beginProcedure
dcl_pi?
statements=subprocedurestatement*
endProcedure;
beginProcedure: psBegin | freeBeginProcedure;
endProcedure: psEnd | freeEndProcedure;
psBegin: PS_FIXED ps_name PS_BEGIN PS_KEYWORDS;
freeBeginProcedure:DS_ProcedureStart identifier FREE_SEMI;
psEnd: PS_FIXED ps_name PS_END PS_KEYWORDS;
freeEndProcedure:DS_ProcedureEnd identifier? FREE_SEMI;
prBegin: DS_FIXED ds_name EXTERNAL_DESCRIPTION DATA_STRUCTURE_TYPE DEF_TYPE_PR FROM_POSITION TO_POSITION
DATA_TYPE DECIMAL_POSITIONS RESERVED keyword* (EOL|EOF);
// -------- sub routines --------
subroutine:
begin=begsr
statement*
end=endsr
;
subprocedurestatement:
statement | subroutine | dcl_pr
;
begsr:csBEGSR | freeBEGSR;
endsr:csENDSR | freeENDSR;
csBEGSR:
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
operation=OP_BEGSR
cspec_fixed_standard_parts;
freeBEGSR:
OP_BEGSR identifier
FREE_SEMI
free_linecomments?
;
csENDSR:
CS_FIXED
cspec_continuedIndicators*
cs_controlLevel
indicatorsOff=onOffIndicatorsFlag indicators=cs_indicators factor1=factor
operation=OP_ENDSR
cspec_fixed_standard_parts;
freeENDSR:
OP_ENDSR (identifier | literal)?
FREE_SEMI
free_linecomments?
;
onOffIndicatorsFlag:
BlankFlag
| NoFlag;
cs_controlLevel:
BlankIndicator
|ControlLevel0Indicator
| ControlLevelIndicator
| LastRecordIndicator
| SubroutineIndicator
| AndIndicator
| OrIndicator
;
cs_indicators:
BlankIndicator
| GeneralIndicator
| ControlLevelIndicator
| FunctionKeyIndicator
| LastRecordIndicator
| MatchingRecordIndicator
| HaltIndicator
| ReturnIndicator
| ExternalIndicator
| OverflowIndicator
;
resultIndicator:
BlankIndicator
| GeneralIndicator
| ControlLevelIndicator
| FunctionKeyIndicator
| LastRecordIndicator
| MatchingRecordIndicator
| HaltIndicator
| ExternalIndicator
| OverflowIndicator
| ReturnIndicator
;
cspec_fixed_sql: CS_ExecSQL
CSQL_TEXT+
CSQL_END;
cspec_fixed_standard:
csACQ
| csADD
| csADDDUR
| csALLOC
//| csANDxx
//| csANDEQ
//| csANDNE
//| csANDLE
//| csANDLT
//| csANDGE
//| csANDGT
//| csBEGSR
| csBITOFF
| csBITON
| csCAB
| csCABEQ
| csCABNE
| csCABLE
| csCABLT
| csCABGE
| csCABGT
| csCALL
| csCALLB
| csCALLP
//| csCASEQ
//| csCASNE
//| csCASLE
//| csCASLT
//| csCASGE
//| csCASGT
| csCAT
| csCHAIN
| csCHECK
| csCHECKR
| csCLEAR
| csCLOSE
| csCOMMIT
| csCOMP
| csDEALLOC
| csDEFINE
| csDELETE
| csDIV
| csDO
//| csDOU
//| csDOUEQ
//| csDOUNE
//| csDOULE
//| csDOULT
//| csDOUGE
//| csDOUGT
//| csDOW
//| csDOWEQ
//| csDOWNE
//| csDOWLE
//| csDOWLT
//| csDOWGE
//| csDOWGT
| csDSPLY
| csDUMP
//| csELSE
//| csELSEIF
//| csEND
//| csENDCS
//| csENDDO