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Comment:.ascii support
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SHA3-256:29d317a6a2b2b7fcfee32b6925fd18fe9b7420ebf0dddc9b5a7e78b400946487
User & Date: kc5tja 2019-09-05 02:51:38
Context
2019-09-05
03:10
Support .asciz and fix unit test breakage in scanner check-in: f23325b630 user: kc5tja tags: trunk
02:51
.ascii support check-in: 29d317a6a2 user: kc5tja tags: trunk
2019-09-03
04:41
.8byte, .4byte, and .2byte implemented check-in: 8a46823df5 user: kc5tja tags: trunk
Changes
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Changes to dev/src/bcpl/assemrv/manifest.h. 

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    scs_byte;
    scs_2byte;
    scs_4byte;
    scs_8byte;
    scs_half;
    scs_word;
    scs_dword;
    scs_ascii;
    scs_asciz;
    scs_zero;
    scs_p2align;
    scs_balign;
    scs_equ;
    scs_include;
    scs_file;








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    scs_byte;
    scs_2byte;
    scs_4byte;
    scs_8byte;
    scs_half;
    scs_word;
    scs_dword;

    scs_asciz;
    scs_zero;
    scs_p2align;
    scs_balign;
    scs_equ;
    scs_include;
    scs_file;

Changes to dev/src/bcpl/assemrv/scanner.b. 

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	addKW(s, ".byte",	scs_byte)
	addKW(s, ".2byte",	scs_2byte)
	addKW(s, ".4byte",	scs_4byte)
	addKW(s, ".8byte",	scs_8byte)
	addKW(s, ".half",	scs_half)
	addKW(s, ".word",	scs_word)
	addKW(s, ".dword",	scs_dword)
	addKW(s, ".ascii",	scs_ascii)
	addKW(s, ".asciz",	scs_asciz)
	addKW(s, ".string",	scs_asciz)
	addKW(s, ".zero",	scs_zero)
	addKW(s, ".p2align",	scs_p2align)
	addKW(s, ".balign",	scs_balign)
	addKW(s, ".equ",	scs_equ)
	addKW(s, ".set",	scs_equ)








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	addKW(s, ".byte",	scs_byte)
	addKW(s, ".2byte",	scs_2byte)
	addKW(s, ".4byte",	scs_4byte)
	addKW(s, ".8byte",	scs_8byte)
	addKW(s, ".half",	scs_half)
	addKW(s, ".word",	scs_word)
	addKW(s, ".dword",	scs_dword)
	addKW(s, ".ascii",	scs_byte)
	addKW(s, ".asciz",	scs_asciz)
	addKW(s, ".string",	scs_asciz)
	addKW(s, ".zero",	scs_zero)
	addKW(s, ".p2align",	scs_p2align)
	addKW(s, ".balign",	scs_balign)
	addKW(s, ".equ",	scs_equ)
	addKW(s, ".set",	scs_equ)

Changes to dev/src/bcpl/assemrv/test_parser.b. 

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GET "globals_dynvec"
GET "globals_scanner"
GET "globals_utils"
GET "globals_parser"


LET testlist() = VALOF {
	MANIFEST { ntests = 21 }
	LET tl = getvec(ntests)
	tl!0 := ntests
	tl!1 := test_dword
	tl!2 := test_dword_chain
	tl!3 := test_dword_string
	tl!4 := test_word
	tl!5 := test_word_chain
................................................................................
	tl!15 := test_8byte_string
	tl!16 := test_4byte
	tl!17 := test_4byte_chain
	tl!18 := test_4byte_string
	tl!19 := test_2byte
	tl!20 := test_2byte_chain
	tl!21 := test_2byte_string

	RESULTIS tl
}


// Parser Tests: Utilities

AND free_errors(p) BE {
................................................................................
	{
		LET outs = output()
		selectoutput(scb)
		writef(".byte 6, *"Abacab*"*n")
		selectoutput(outs)
		rewindstream(scb)
	}



















































	s := make_scanner()
	UNLESS NEQ(s, 0, 1) DO GOTO unwind
	UNLESS EQ(scanner_get_stream(s, scb, "RAM:"), TRUE, 3) DO GOTO unwind
	scanner_nextchar(s)
	scanner_next(s)









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GET "globals_dynvec"
GET "globals_scanner"
GET "globals_utils"
GET "globals_parser"


LET testlist() = VALOF {
	MANIFEST { ntests = 22 }
	LET tl = getvec(ntests)
	tl!0 := ntests
	tl!1 := test_dword
	tl!2 := test_dword_chain
	tl!3 := test_dword_string
	tl!4 := test_word
	tl!5 := test_word_chain
................................................................................
	tl!15 := test_8byte_string
	tl!16 := test_4byte
	tl!17 := test_4byte_chain
	tl!18 := test_4byte_string
	tl!19 := test_2byte
	tl!20 := test_2byte_chain
	tl!21 := test_2byte_string
	tl!22 := test_ascii_string
	RESULTIS tl
}


// Parser Tests: Utilities

AND free_errors(p) BE {
................................................................................
	{
		LET outs = output()
		selectoutput(scb)
		writef(".byte 6, *"Abacab*"*n")
		selectoutput(outs)
		rewindstream(scb)
	}

	s := make_scanner()
	UNLESS NEQ(s, 0, 1) DO GOTO unwind
	UNLESS EQ(scanner_get_stream(s, scb, "RAM:"), TRUE, 3) DO GOTO unwind
	scanner_nextchar(s)
	scanner_next(s)

	d := make_dynvec()
	UNLESS NEQ(d, 0, 4) DO GOTO unwind

	parse(s, d, @errlist)
	UNLESS EQ(errlist, 0, 5) DO GOTO unwind

	UNLESS EQ(d!dv_length, 21, 100) DO GOTO unwind
	FOR i = 0 TO 20 DO UNLESS EQ(dynvec_at(d, i), expected!i, 200+i) DO GOTO unwind

	err := 0

unwind:
	IF errlist DO free_errors(errlist)
	IF d DO dynvec_free(d)
	IF s DO scanner_free(s)
	IF scb DO endstream(scb)
	RESULTIS err
}

AND test_ascii_string(r) = VALOF {
	LET err = failat
	LET scb, s, d = 0, 0, 0
	LET expected = TABLE IR_LIT, 6, IR_BYTE,
	                     IR_LIT, 'A', IR_BYTE,
	                     IR_LIT, 'b', IR_BYTE,
	                     IR_LIT, 'a', IR_BYTE,
	                     IR_LIT, 'c', IR_BYTE,
	                     IR_LIT, 'a', IR_BYTE,
	                     IR_LIT, 'b', IR_BYTE
	LET errlist = 0

	IF r DO RESULTIS r
	testid := "test_ascii_string"

	scb := findinoutput("RAM:")
	UNLESS NEQ(scb, 0, 0) DO GOTO unwind
	{
		LET outs = output()
		selectoutput(scb)
		writef(".ascii 6, *"Abacab*"*n")
		selectoutput(outs)
		rewindstream(scb)
	}

	s := make_scanner()
	UNLESS NEQ(s, 0, 1) DO GOTO unwind
	UNLESS EQ(scanner_get_stream(s, scb, "RAM:"), TRUE, 3) DO GOTO unwind
	scanner_nextchar(s)
	scanner_next(s)

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