RISC-V Static Assembler
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0:00Recap and set the stage for the day
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0:00Recap and set the stage for the day
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0:00Recap and set the stage for the day
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0:54Recommend the Annotated Episode Guide, and plug Miblo's pledge page1 and twitter2, and the forums3
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0:54Recommend the Annotated Episode Guide, and plug Miblo's pledge page1 and twitter2, and the forums3
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0:54Recommend the Annotated Episode Guide, and plug Miblo's pledge page1 and twitter2, and the forums3
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3:54Roadmap for the next few weeks, working on a static RISC-V assembler and making the emulator more standalone
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3:54Roadmap for the next few weeks, working on a static RISC-V assembler and making the emulator more standalone
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3:54Roadmap for the next few weeks, working on a static RISC-V assembler and making the emulator more standalone
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10:15Plan to move on to hardware design once we have the assembler and emulator
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10:15Plan to move on to hardware design once we have the assembler and emulator
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10:15Plan to move on to hardware design once we have the assembler and emulator
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13:25Review the work on the Reverse Polish Notation generator
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13:25Review the work on the Reverse Polish Notation generator
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13:25Review the work on the Reverse Polish Notation generator
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16:03Demo the RPN calculator
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16:03Demo the RPN calculator
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16:03Demo the RPN calculator
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16:56Explain the implementation of gen_rpn() and its asm emittance
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16:56Explain the implementation of gen_rpn() and its asm emittance
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16:56Explain the implementation of gen_rpn() and its asm emittance
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26:28Q&A
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26:28Q&A
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26:28Q&A
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27:01voxygon Is the ASCII assumed?
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27:01voxygon Is the ASCII assumed?
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27:01voxygon Is the ASCII assumed?
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27:59Setup to work on the static assembler, creating assembler.ion
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27:59Setup to work on the static assembler, creating assembler.ion
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27:59Setup to work on the static assembler, creating assembler.ion
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30:12Static assembler
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30:12Static assembler
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30:12Static assembler
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32:10Embark on the lexer, introducing the Lexer struct and next_token()
32:10Embark on the lexer, introducing the Lexer struct and next_token()
32:10Embark on the lexer, introducing the Lexer struct and next_token()
39:52Introduce scan_int() and adapt the whole lot of lex.c to Ion
39:52Introduce scan_int() and adapt the whole lot of lex.c to Ion
39:52Introduce scan_int() and adapt the whole lot of lex.c to Ion
44:57Organise the projects, pulling out test functions to test.ion
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44:57Organise the projects, pulling out test functions to test.ion
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44:57Organise the projects, pulling out test functions to test.ion
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47:38Introduce init_lexer() and lexer_test()
47:38Introduce init_lexer() and lexer_test()
47:38Introduce init_lexer() and lexer_test()
49:22Step through our lexer to see that it works
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49:22Step through our lexer to see that it works
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49:22Step through our lexer to see that it works
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50:02Enable next_token() to handle EOF, and lexer_test() to print out the token kind
50:02Enable next_token() to handle EOF, and lexer_test() to print out the token kind
50:02Enable next_token() to handle EOF, and lexer_test() to print out the token kind
52:19Run it to see that it handles types correctly
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52:19Run it to see that it handles types correctly
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52:19Run it to see that it handles types correctly
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53:10Implement lexer_error()
53:10Implement lexer_error()
53:10Implement lexer_error()
56:17Test out our error handling
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56:17Test out our error handling
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56:17Test out our error handling
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56:30Make init_lexer() take a filename
56:30Make init_lexer() take a filename
56:30Make init_lexer() take a filename
57:11Run it to see our filename
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57:11Run it to see our filename
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57:11Run it to see our filename
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57:35Adapt scan_char() and related functions from lex.c to Ion
57:35Adapt scan_char() and related functions from lex.c to Ion
57:35Adapt scan_char() and related functions from lex.c to Ion
1:04:31Add a string test in lexer_test()
1:04:31Add a string test in lexer_test()
1:04:31Add a string test in lexer_test()
1:05:29Hit our assertion in the compiler's scan_str() due to a \-escaped closing quote mark
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1:05:29Hit our assertion in the compiler's scan_str() due to a \-escaped closing quote mark
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1:05:29Hit our assertion in the compiler's scan_str() due to a \-escaped closing quote mark
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1:06:55Remove that assertion from scan_str() to allow the compiler to throw an error instead
1:06:55Remove that assertion from scan_str() to allow the compiler to throw an error instead
1:06:55Remove that assertion from scan_str() to allow the compiler to throw an error instead
1:08:07Run it to see that our lexer_test() works
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1:08:07Run it to see that our lexer_test() works
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1:08:07Run it to see that our lexer_test() works
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1:09:04Implement stretchy buffers in Ion
1:09:04Implement stretchy buffers in Ion
1:09:04Implement stretchy buffers in Ion
1:19:30Consult the C spec4 to see if Ion could support the ternary operator
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1:19:30Consult the C spec4 to see if Ion could support the ternary operator
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1:19:30Consult the C spec4 to see if Ion could support the ternary operator
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1:20:28Finish implementing Ion's stretchy buffers, noting differences from the C implementation
1:20:28Finish implementing Ion's stretchy buffers, noting differences from the C implementation
1:20:28Finish implementing Ion's stretchy buffers, noting differences from the C implementation
1:26:29Enable scan_str() to use strbuf_push()
1:26:29Enable scan_str() to use strbuf_push()
1:26:29Enable scan_str() to use strbuf_push()
1:28:04Make resolve_expr_binary_op() disallow pointer arithmetic on void* / 0-size elements
1:28:04Make resolve_expr_binary_op() disallow pointer arithmetic on void* / 0-size elements
1:28:04Make resolve_expr_binary_op() disallow pointer arithmetic on void* / 0-size elements
1:30:36Test if the streams parse correctly
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1:30:36Test if the streams parse correctly
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1:30:36Test if the streams parse correctly
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1:31:08Test buffer regrowth
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1:31:08Test buffer regrowth
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1:31:08Test buffer regrowth
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1:32:06Reflect on our stretchy buffers in Ion
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1:32:06Reflect on our stretchy buffers in Ion
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1:32:06Reflect on our stretchy buffers in Ion
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1:35:06Adapt strbuf_printf() from C to Ion, and implement buf_fit() and strbuf_end()
1:35:06Adapt strbuf_printf() from C to Ion, and implement buf_fit() and strbuf_end()
1:35:06Adapt strbuf_printf() from C to Ion, and implement buf_fit() and strbuf_end()
1:40:51Add a strbuf_printf() test to lexer_test()
1:40:51Add a strbuf_printf() test to lexer_test()
1:40:51Add a strbuf_printf() test to lexer_test()
1:41:50Run it to see that it looks reasonable
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1:41:50Run it to see that it looks reasonable
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1:41:50Run it to see that it looks reasonable
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1:41:58Stop the main stream here, with a few final thoughts on Ion's stretchy buffers and the lexer
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1:41:58Stop the main stream here, with a few final thoughts on Ion's stretchy buffers and the lexer
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1:41:58Stop the main stream here, with a few final thoughts on Ion's stretchy buffers and the lexer
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